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Blanket
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A blanket is a swath of soft cloth large enough either to cover or to enfold most of the user's body and thick enough to keep the body warm by trapping radiant body heat that otherwise would be lost through conduction.
Etymology
[edit]The term arose from the generalization of a specific fabric called blanke, a heavily napped undyed woolen weave. A popular theory has that the name derives from an eponymous Thomas Blanket (Blanquette), a Flemish weaver who lived in Bristol, England, in the 14th century.[1][2] However, earlier usage of the term is possible as a borrowing of the Old French word blanket for the type of fabric, attested as early as 1278 and deriving from the adjective blanc, meaning "white".[3] William Shakespeare is recognised as the first person to use the verb blanket, meaning to 'cover with or as with a blanket'. In the play King Lear, published in 1608, the character Edgar says: "My face ile grime with filth, Blanket my loynes, else all my haire with knots."[4]
History
[edit]An ancient form of blanket is recorded as "Kambala". The 7th century Chinese traveler and scholar Xuanzang mentioned the stuff in his travelogue of his journey to India in 629–645 CE. He refers to "Kambala" as a woolen material made from sheep or goat's hair. He categorized it as a kind of material for clothing.[5] The Sanskrit meaning of Kambala is 'a woolen blanket."[6][7] According to India's ancient text, the Atharvaveda, kambala is a generic term for materials such as shawls and blankets.[8] Known as "Kambali" in Kannada and Tamil, these thick coarse blankets are woven with sheep wool whose texture is extremely coarse and thick to provide adequate warmth in winter.[9]
Pandu-Kambala was a type of Kambala from Gandhāra, Ancient Indian scholar Pāṇini mentioned "pandu-kambala" from the upper parts of Gandhara, the place was "Uddiyana," which was famous for the said blankets.[10] Some more variations of old Indian blankets are "keca-lakah", "kalamitika", "talicchakam", "varavanah", "sarumitika", "paristomah", "samanatabhad", "turangastaranam", "varnakam", "paristomah", "samanatabhad". Coarse qualities were used by farmers, and herdsmen. Some of them were used to spread out on the backs of animals like horses, elephants, and bullocks.[8]
Types
[edit] |
Many types of blanket material, such as wool, are used because they are thicker and have more substantial fabric to them, but cotton can also be used for light blankets. Wool blankets are warmer and also relatively slow to burn compared to cotton. The most common types of blankets are woven acrylic, knitted polyester, mink, cotton, fleece and wool. Blankets also come with exotic crafting and exotic material such as crocheted afghan or a silk covering. The term blanket is often interchanged with comforter, quilt, and duvet, as they all have similar uses.
Uses
[edit]Blankets have been used by militaries for many centuries.[11] Militaries are some of the biggest single consumers of woolen blankets. Military blankets tend to be coarse grey, with thick fibers of over 20 microns.
Special blankets known as baby blankets are used to protect infants from the cold. Small children (and some adults) may also use a blanket as a comfort object.[12]
Blankets may be spread on the ground for a picnic or where people want to sit in a grassy or muddy area without soiling their clothing. Temporary blankets have been designed for this purpose.
See also
[edit]References
[edit]- ^ "Origin of Blanket". The New York Times. 24 March 1901.
- ^ Beckinsale, R. P. (1937). "Factors in the Development of the Cotswold Woollen Industry". The Geographical Journal. 90 (4): 349–362. Bibcode:1937GeogJ..90..349B. doi:10.2307/1787694. JSTOR 1787694.
- ^ "blanchet". Trésor de la langue française. CNRTL.
- ^ "Almost 300 years without a duvet". BBC News. 25 December 2015. Retrieved 28 January 2021.
- ^ Watters, Thomas (1904). On Yuan Chwang'S Travels in India, 629-645 A. D. p. 149.
The third group is the kambala. This word, which denotes "woollen cloth" and "a blanket"
- ^ Turner, R. L. (1999). A Comparative Dictionary of the Indo-Aryan Languages. Motilal Banarsidass Publishers. p. 139. ISBN 978-81-208-1665-7.
- ^ "Sanskrit Dictionary". sanskritdictionary.com. Retrieved 5 February 2022.
- ^ a b Handwoven fabrics of India. Ahmedabad: Mapin Pub. 1989. pp. 61, 33. ISBN 978-0-944142-26-4.
- ^ "National Handloom Day Special: Reviving Karnataka's timeless tradition of weaving the 'kambli' to empower Kuruba pastoralists". thesouthfirst.com. 7 August 2023. Retrieved 16 July 2024.
- ^ Agrwala, V. S. (1953). India as known to Panini. Banaras Hindu University, Banaras. pp. 49, 42, 128.
- ^ Palmer, Alexandra (2004). Fashion: A Canadian Perspective. University of Toronto Press. ISBN 9780802085900.
- ^ Gerritzen, Mieke; Lovink, Geert; Kampman, Minke (2011). I Read where I Am: Exploring New Information Cultures. Graphic Design Museum. ISBN 9789078088554.
External links
[edit]
Blanket
View on Grokipediafrom Grokipedia
A blanket is a large, typically oblong piece of woven or knitted fabric used primarily as a bed covering to provide warmth, insulation, and comfort during sleep.[1] Constructed from materials such as wool, cotton, fleece, or synthetics, blankets vary in weight, texture, and design to suit different climates and preferences, serving both practical and aesthetic roles in bedding ensembles.[2]
These values establish baseline insulation and longevity, with wool and down excelling in cold climates while synthetics prioritize ease of care.[34][44][47]
Etymology and Terminology
Word Origins
The word "blanket" derives from the Old French term blanchet or blanket, a diminutive form of blanc, meaning "white," which referred to undyed woolen cloth used for coverings in the 14th century.[3] This etymology reflects the original material's natural, uncolored appearance, distinguishing it from dyed fabrics.[4] The term entered English in the late 13th century, evolving from Middle English blanket or blaunket, initially denoting a specific type of white woolen weave rather than a general bed covering.[5] Its earliest recorded use appears around 1300 in the Middle English text Life and Martyrdom of Thomas Becket, where it describes a white garment or cloth.[4] By the mid-14th century, the word had broadened to include bed coverings, as evidenced in William Langland's Piers Plowman, which mentions a "blanket in his bed" as a basic item of comfort.[6] This linguistic adoption traces back to Latin blancus, a borrowing from Frankish blank ("shining" or "white"), which spread through Norman French following the 1066 Norman Conquest of England.[1] The influx of Anglo-Norman vocabulary during this period integrated thousands of French-derived terms into English, including those related to textiles like blanket.[4] Inventories from the 14th century, such as those compiled in English wills and household records, frequently list "blankets" alongside other bed linens, underscoring their emerging role as standard domestic items.[7]Regional Variations
In English-speaking regions, the term "blanket" has given rise to synonyms that reflect specific construction or regional dialects, such as "quilt," derived from the Latin culcita meaning a stuffed sack or mattress, entering English around 1300 via Anglo-French to denote a stitched bed cover.[8] Similarly, "coverlet" originates from Old French couvert-lit, combining "to cover" and "bed," referring to an outer bed covering since the 14th century.[9] Across non-English languages, equivalents for "blanket" carry distinct cultural connotations tied to materials, uses, and symbolism. In German, Decke (specifically Bettdecke for bedding) stems from Old High German theckī, meaning "cover," and embodies a practical emphasis on individual, washable duvets in modern German sleeping customs, where separate covers per person promote undisturbed rest and hygiene.[10] The Spanish manta, from Latin mantellum ("cloak"), denotes a versatile woolen throw or shawl, often evoking indigenous Mexican traditions like the colorful serape, symbolizing protection, festivity, and cultural identity in rural and ceremonial contexts.[11] In Hindi, kambal traces to Sanskrit kambala, referring to a coarse woolen blanket or shawl, connoting everyday warmth and resourcefulness in northern India's colder climates, sometimes humorously invoked in phrases like kambal chor ("blanket thief") to describe someone who hogs covers.[12] Regional variations within English highlight transatlantic differences, particularly with "duvet," from French duvet ("down"), a diminutive of Old French dum for soft feathers, widely used in British English since the 18th century to mean a down-filled comforter insert, whereas American English favors "comforter" for the filled item and reserves "duvet" for its removable cover.[13] In indigenous languages, terms for blankets often evolve with weaving traditions influenced by historical trade. For instance, the Navajo word diyogí (or diyugí), meaning a soft, fluffy woven blanket, reflects the Diné people's heritage of handspun textiles used in daily wear and ceremonies, underscoring communal craftsmanship and cultural continuity.[14]Historical Development
Pre-Modern Eras
The earliest known use of blankets by humans dates to the Paleolithic period, when prehistoric peoples employed animal skins as versatile coverings for warmth and protection during sleep and daily activities, with evidence from bone tools and cut marks on hides indicating processing for such purposes around 120,000 years ago in Africa, extending to Europe and Asia later in the Paleolithic.[15] These rudimentary blankets were essential for survival in cold climates, serving both as body wraps and bed covers in caves and temporary shelters. Archaeological finds, including bone tools from this era, suggest hides were processed to enhance insulation.[15] The transition to woven blankets occurred around 3000 BCE in ancient Mesopotamia, where wool and other natural fibers were spun and woven into fabrics for bedding.[16] In ancient civilizations, blankets evolved with advancements in textile production. Egyptians crafted linen sheets and coverings from flax fibers as early as c. 2500 BCE during the Old Kingdom, using them to pad beds and provide lightweight coverings suitable for the region's climate; these were often found in high-status tombs as folded sheets for funerary use.[17] In Greece, woolen chlamys wraps, rectangular cloaks made from sheep's wool, functioned as portable blankets for travelers and soldiers from the 8th century BCE onward, offering protection against cold nights and symbolizing status in military contexts.[18] Romans similarly utilized stragula, colorful bed covers woven from wool or linen, which served as blankets in homes and military camps from the Republic through the Empire (c. 500 BCE–500 CE), with luxurious examples featuring intricate dyes and patterns reserved for the elite. During the medieval period in Europe (5th–15th centuries), wool blankets became a staple, produced on hand-looms by rural artisans and monasteries; these were typically woven from local sheep fleece and dyed using natural pigments like woad for blue, madder for red, and weld for yellow, providing durable warmth for beds and as trade goods.[19] Blankets played a key societal role, distributed as dowry items, charitable gifts, and markers of wealth, with coarser versions for peasants and finer, dyed ones for nobility.[20] Non-Western traditions paralleled these developments. In the Andes, pre-Inca cultures utilized vicuña wool for exceptionally fine blankets as early as c. 1000 BCE, harvesting the rare camelid's soft undercoat through communal roundups (chaccu) to create lightweight, insulating textiles valued for their warmth and prestige in highland societies.[21] Meanwhile, in China during the Han Dynasty (c. 200 BCE), silk fabrics and padded bed covers filled with silk floss emerged, sewn into layers for superior insulation; archaeological tombs reveal these as luxury items for the aristocracy, reflecting advanced sericulture techniques that underscored silk's cultural and economic significance. These pre-modern innovations highlight blankets' transition from survival necessities to symbols of identity and craftsmanship across diverse regions.Industrial and Contemporary Evolution
The Industrial Revolution marked a pivotal shift in blanket production, transitioning from labor-intensive hand-weaving to mechanized processes that enabled widespread accessibility. In the 1780s, the introduction of power looms in England revolutionized textile manufacturing, with Edmund Cartwright patenting the first steam-powered loom in 1785, which automated the weaving of fabrics including woolen blankets. This innovation dramatically increased output; for instance, in the Witney region of Oxfordshire, renowned for its blanket mills, power looms transformed the local cottage industry into large-scale factories by the early 19th century, producing thousands of blankets annually for domestic and export markets. Building on earlier wool-based traditions, these machines reduced production costs and time, making blankets affordable beyond elite households.[22][23] The 19th century saw further advancements in functionality, particularly with the advent of electrically heated blankets. In 1912, American physician Sidney I. Russell developed the first electrically heated blanket, incorporating resistance wires to generate warmth, initially as a therapeutic pad for medical use. This design leveraged nichrome wire, an alloy of nickel and chromium invented by Albert L. Marsh in 1905, which provided durable, high-resistance heating elements capable of safe, efficient operation without rapid degradation. By the 1920s, these blankets were commercially available for home use, offering controlled warmth that addressed health concerns like arthritis and poor circulation, though early models lacked thermostats and posed fire risks until safety improvements in the mid-20th century.[24][25][26] Entering the 20th and 21st centuries, material innovations and digital integration expanded blanket versatility and efficiency. Synthetic fibers such as acrylic emerged in the 1950s, with E.I. du Pont de Nemours and Company commercializing Orlon acrylic fiber in 1950, which offered wool-like warmth, lightweight durability, and machine-washability ideal for mass-produced blankets. This shift democratized access to insulating bedding, as acrylic blankets became staples in households worldwide due to their affordability and resistance to shrinking or felting. In the 2020s, smart blankets incorporated embedded sensors and connectivity, exemplified by models like the Flexwarm heating blanket, which uses biometric sensors to monitor heart rate and sleep patterns while allowing app-based temperature adjustments and scheduling for energy-efficient heating. These advancements, often integrating Wi-Fi and voice controls, reflect a convergence of textiles with IoT technology, enhancing user comfort and health monitoring.[27][28] Global trade dynamics post-World War II further propelled the industry's evolution, with regional specializations driving exports. India's block-printed cotton blankets, rooted in traditional techniques from regions like Jaipur and Bagru, saw renewed international demand after independence in 1947, as cooperatives and government initiatives facilitated exports to Western markets, blending artisanal designs with modern scalability to meet global tastes for ethnic textiles. Similarly, China's fleece production surged from the 1980s onward, establishing the country as the world's leading blanket exporter; as of 2023, China accounted for $3.74 billion in annual blanket exports, dominated by synthetic fleece varieties produced in hubs like Jiangsu and Zhejiang, which offered low-cost, high-volume supply chains benefiting from post-WWII economic reforms and WTO accession in 2001. These trade flows not only diversified blanket varieties but also influenced global standards for affordability and sustainability in production.[29][30][31]Materials and Construction
Fabric Types
Blankets are primarily constructed from natural fibers, synthetic materials, and their blends, each offering distinct properties suited to insulation, comfort, and durability. Natural fibers such as wool and cotton have been staples in blanket production for centuries due to their inherent thermal and moisture management capabilities, while down serves as a common filling material.[32] Wool, particularly merino wool, is prized for its softness and excellent thermal regulation, achieved through its crimped fiber structure that traps air for insulation while allowing moisture to evaporate. These crimped and coiled fibers create microscopic air pockets that trap still air, which has low thermal conductivity and serves as an excellent insulator. This air-trapping mechanism occurs within the fabric structure itself, enabling effective insulation even in thinner blankets, independent of overall thickness. Merino wool's natural lanolin content further enhances its water-repellent and temperature-balancing qualities, making it ideal for blankets that maintain warmth without overheating. Wool also absorbs moisture exothermically, releasing heat during the absorption process, and wicks moisture away from the body, further contributing to warmth and comfort in varying conditions. The thermal conductivity of sheep wool typically ranges from 0.038 to 0.054 W/m·K, providing superior insulation compared to many alternatives. Wool blankets are also highly durable, often lasting decades with proper care due to the fiber's resilience to wear and moth resistance.[33][34][35] Cotton serves as a breathable and hypoallergenic option in blankets, promoting airflow to prevent overheating and reducing the risk of skin irritation or allergic reactions. Its natural softness and absorbency make it suitable for lightweight summer blankets or layers in quilts, with varieties like organic cotton enhancing its eco-friendly profile. Cotton's durability is notable in woven forms, resisting pilling and maintaining shape through repeated washes.[36][37] Down and feathers, often used as fillings in quilted blankets, provide exceptional insulating loft by trapping air within their three-dimensional cluster structure, offering lightweight warmth that adapts to body temperature. This loft contributes to breathability, wicking away moisture to keep users dry, though it requires protective encasements to prevent shifting. Down's durability stems from its resilience, with high-quality goose down maintaining loft over years of use. The effective thermal conductivity of down insulation is typically 0.025–0.040 W/m·K, loft-dependent.[38][39] Synthetic fibers emerged in the mid-20th century as affordable alternatives to natural materials, revolutionizing blanket accessibility. Polyester fleece, developed in the 1970s by Malden Mills, mimics wool's warmth while being quick-drying, lightweight, and resistant to wrinkles, making it popular for travel and outdoor blankets. Its affordability has driven widespread adoption since the 1980s, with polyester's tensile strength ensuring longevity in high-use scenarios. Acrylic, introduced in the 1940s by DuPont as Orlon, was engineered to replicate wool's bulk and insulation at a lower cost, offering softness and warmth retention without the itchiness of some natural wools. Acrylic blankets excel in durability, resisting shrinking and fading even after frequent laundering.[40][41] Blends and specialty fabrics address modern demands for sustainability and performance. Bamboo rayon, derived from bamboo pulp, is eco-friendly due to its renewable sourcing and biodegradable nature, while its smooth fibers provide moisture-wicking and breathability superior to cotton in humid conditions. Recycled polyester, often made from post-consumer plastic bottles, combines synthetic durability with reduced environmental impact; for instance, a standard throw blanket may incorporate material from 30 to 60 bottles, diverting waste from landfills. These materials enhance blanket versatility, such as in weighted designs where even distribution of fill is key.[42][43] A comparison of key properties highlights trade-offs in blanket selection:| Fabric Type | Thermal Conductivity (W/m·K) | Durability Notes | Key Advantages |
|---|---|---|---|
| Wool (Merino) | 0.038–0.054 | High; resists wear, lasts 20+ years | Temperature regulation, natural odor resistance |
| Cotton | 0.03–0.06 | Medium-high; wrinkle-resistant | Breathable, hypoallergenic |
| Down/Feathers | 0.025–0.040 (loft-dependent) | Medium; compresses over time | Lightweight insulation, compressible |
| Polyester Fleece | 0.04–0.05 | High; quick-drying, pill-resistant | Affordable, water-repellent |
| Acrylic | 0.10–0.20 | High; shrink-proof | Wool-like warmth, lightweight |
| Bamboo Rayon | 0.02–0.04 | Medium; softens with washes | Moisture-wicking, antimicrobial |
| Recycled Polyester | 0.04–0.05 | High; UV-resistant | Sustainable, durable |
Production Methods
Blanket production primarily involves weaving, quilting, and finishing techniques to create durable, functional textiles. Weaving forms the foundational structure, where yarns are interlaced to produce the fabric base. The plain weave, the simplest and most common method, involves passing the weft yarn over and under alternate warp yarns at right angles, creating a balanced, tight structure ideal for thermal blankets that provide insulation through even air trapping.[48][49] For more decorative blankets, the Jacquard weave enables intricate patterns by selectively lifting warp threads using punched cards or digital controls, a technique invented by Joseph Marie Jacquard in 1801 to automate complex designs without manual intervention.[50][51] Quilting enhances blanket thickness and stability by sandwiching a layer of batting—typically a soft, insulating filler—between two fabric layers, then securing them with stitches to prevent shifting and ensure even loft distribution. Common stitching patterns include diamond grids, which create puffed, three-dimensional effects for aesthetic appeal, or stitch-in-the-ditch, where seams are quilted precisely along existing join lines to maintain a flat appearance while evenly anchoring the batting across the surface.[52][53][54] After assembly, finishing processes prepare the blanket for use by softening the fabric and securing edges. This includes washing in industrial machines to remove manufacturing residues and enhance texture, followed by drying to set the fibers, and applying edging such as binding tape—a folded strip sewn around the perimeter—to encase raw edges and prevent fraying during repeated laundering.[55] Modern automation has streamlined these methods since the post-1980s era, with computerized looms replacing mechanical controls to precisely program weave patterns and increase production speed for both plain and Jacquard styles. Additionally, 3D knitting machines enable seamless blanket construction by forming three-dimensional shapes directly from yarn, minimizing cuts and joins for efficient, waste-reducing output suitable for custom or contoured designs.[56][57][58] For example, wool yarns can be processed on these automated systems to produce textured, insulating blankets without traditional seams.[59]Varieties
Bedding Blankets
Bedding blankets are designed primarily for use in sleep environments, providing warmth, comfort, and temperature regulation during rest. These blankets differ from other types by their focus on full-bed coverage and integration with mattress and pillow setups, often layered with sheets or duvets to create a cohesive sleep system. They come in various constructions tailored to seasonal needs, from lightweight options for warmer climates to heavier fills for insulation. Key subtypes include comforters, which are thick, quilted blankets filled with down or synthetic materials and typically encased in removable duvet covers for easy maintenance and versatility. Thermal blankets, often featuring a double-sided waffle weave construction, trap air pockets to enhance heat retention while remaining breathable.[60] Standard sizes for bedding blankets accommodate common mattress dimensions, with twin sizes measuring 66 by 90 inches and king sizes at 108 by 90 inches to ensure full coverage without excess overhang. Weights vary by intended use, such as lightweight summer blankets at approximately 5 to 7 ounces per square yard for breathability and minimal insulation. Edge treatments like satin binding provide a smooth, durable finish that prevents fraying and adds a luxurious feel to the blanket's perimeter.[61][62][63] Innovations in bedding blankets include weighted varieties, which gained popularity in the 2010s for their therapeutic benefits. The ideal weight for these blankets is approximately 10 percent of the user's body weight, filled with small glass beads to deliver deep pressure therapy that promotes relaxation and improves sleep quality by mimicking a comforting embrace.[64][65] Quality standards for bedding blankets emphasize factors like thread count, ranging from 200 to 400 for optimal softness and durability without compromising breathability. Certifications such as OEKO-TEX Standard 100 ensure the absence of harmful substances, verifying safety for skin contact during extended use.[66][67]Non-Bedding Blankets
Non-bedding blankets serve diverse purposes outside of sleeping, including personal comfort during activities, emergency protection, and aesthetic enhancement in living spaces. These blankets often share materials like fleece, wool, or cotton with bedding varieties but are adapted for greater mobility, durability, and specific functionalities such as water resistance or portability.[68] Throw blankets, typically measuring 50 by 60 inches, are designed for lap coverage during lounging on sofas or chairs, providing lightweight warmth without overwhelming space.[69] Picnic rugs, often featuring water-resistant backings and fringed edges for style and grip, facilitate outdoor meals by protecting against damp ground while offering a comfortable surface.[70] Baby swaddles, commonly made from muslin fabric, prioritize breathability to regulate infant temperature and prevent overheating during wrapping or nursing.[71] Specialized non-bedding blankets address niche needs, such as emergency blankets constructed from Mylar, a thin metallized polyester film that reflects up to 90% of body heat to combat hypothermia.[72] These were first developed by NASA in 1964 for space missions and later adapted for terrestrial survival kits.[73] Pet blankets, frequently produced from machine-washable synthetic fibers like polyester or microfleece, withstand frequent cleaning and pet hair while providing cozy resting spots.[74] Decorative applications highlight the artistic potential of blankets, with afghan crochet patterns—often incorporating geometric motifs like hexagons—originating in 19th-century America as handmade throws blending color and texture for visual appeal.[75] Such pieces, along with woven wall hangings, serve as tapestries to add warmth, pattern, and cultural elements to interior walls.[76] Portability is a key feature in designs for travel and outdoor use, exemplified by roll-up camping blankets equipped with straps or handles that allow compact storage and easy transport in backpacks or vehicles.[77]Applications
Primary Uses
Blankets primarily serve as thermal insulators by trapping body heat and creating a barrier against convective heat loss to cooler surrounding air. This mechanism relies on the blanket's ability to enclose a layer of warm air close to the body, reducing the exchange of heat through air movement and maintaining thermal equilibrium. For instance, materials like wool enhance this effect due to their structure, which holds air pockets that resist heat flow; sheep's wool insulation typically achieves an R-value of about 3.7 per inch of thickness, though actual blanket performance varies with construction and layering.[78][79][80] In protective roles, blankets shield against environmental elements and physical harm. Horse blankets, often made with waterproof and breathable outer layers, prevent rain, wind, and snow from reaching the animal's coat, thereby avoiding chills or skin issues during outdoor exposure. In first aid scenarios, rolled or folded blankets provide padding for improvised splints, cushioning injured limbs to minimize pressure on fractures or sprains while immobilizing the area for safe transport.[81][82] Blankets also contribute to comfort through sensory stimulation, particularly via tactile pressure that promotes relaxation. Weighted blankets, which apply deep touch pressure akin to a therapeutic hug, have been shown in clinical studies to reduce anxiety symptoms by up to 63% in self-reported measures, alleviating physiological markers of stress such as elevated heart rate during high-tension situations like medical procedures. This soothing effect stems from the blanket's distributed weight stimulating the nervous system to lower cortisol levels and enhance feelings of security.[83][84] Within households, blankets integrate into layering systems atop sheets and within duvets to regulate sleep temperature effectively. This approach allows users to adjust insulation dynamically, combining breathable base layers with heavier covers to maintain an optimal bedroom range of 60-67°F, which supports the body's natural core temperature drop for deeper rest cycles and reduces disruptions from overheating or chilling.[85][86]Cultural and Specialized Roles
In Navajo weaving traditions, blankets have held profound cultural and spiritual significance since the mid-19th century, incorporating sacred patterns inspired by natural elements, cosmology, and ceremonial motifs such as the whirling logs, which symbolize the four sacred directions and mountains.[87] These designs, often woven by women under the guidance of spiritual teachings from figures like Spider Woman, reflect inherited knowledge and environmental harmony, evolving from utilitarian wearables to symbolic textiles by the 1850s.[88] Scottish tartan blankets similarly serve as enduring symbols of clan identity, with patterns originating in the 16th century to distinguish Highland families through distinctive weaves dyed from local plants.[89] By the 18th century, these textiles represented kinship and heritage, surviving bans like the 1746 Dress Act to become emblems of Scottish pride among diaspora communities.[90] Among Amish communities, wedding quilts embody familial bonds and continuity, traditionally pieced together from salvaged fabrics of worn clothing and household linens to create heirloom pieces gifted at marriages.[91] This practice underscores values of thrift, modesty, and intergenerational storytelling, with solid-colored blocks in dark hues reflecting the group's plain aesthetic.[92] The AIDS Memorial Quilt exemplifies blankets as tools for collective mourning and activism, initiated in 1985 by Cleve Jones in San Francisco as a patchwork of panels honoring those lost to the epidemic, first publicly displayed in 1987 on the National Mall.[93] By 1992, it encompassed about 12,000 panels from every U.S. state and 28 countries, transforming personal grief into a protest against stigma and governmental inaction during the 1980s crisis.[93][94] In military contexts, the "woobie"—a lightweight poncho liner blanket—has been a vital gear item since its introduction during the Vietnam War in the 1960s, providing insulation under ponchos for soldiers in humid conditions.[95] Its nylon construction and attachment points made it multifunctional for shelter and comfort, earning enduring loyalty among U.S. troops across subsequent conflicts.[96] Medical cooling blankets, often gel-filled or pad-based, aid in fever reduction by absorbing and dispersing body heat, with devices like gel pads applied directly to the skin for non-invasive temperature control in clinical settings.[97] These tools, distinct from water-circulating systems, offer targeted relief for patients, particularly children, lasting up to eight hours per application.[98]Care and Sustainability
Maintenance Practices
Proper maintenance of blankets involves regular cleaning, timely repairs, and preventive inspections to prolong their usability and appearance. For wool blankets, machine washing should be done at 30°C using a gentle cycle with a wool-specific detergent to minimize agitation and prevent felting or shrinkage.[99] Synthetic blankets, particularly those labeled dry clean only, benefit from professional dry cleaning to preserve their structure and avoid damage from home washing.[100] Spot treatment for stains on any blanket type can be achieved by applying a solution of equal parts white vinegar and water, allowing it to sit for 10-15 minutes before rinsing and washing as per the material guidelines.[101] Repairing blankets requires material-appropriate techniques to restore integrity without compromising aesthetics. For holes in woven blankets, darning involves weaving matching thread across the damaged area using a needle to create a secure patch that blends with the original fabric.[102] Quilts with compressed or deteriorated stuffing can be repaired by carefully opening a seam, re-stuffing with compatible batting like polyester or cotton, and hand-sewing the seam closed to maintain even loft.[103] Essential tools for these repairs include sharp needles, strong thread or yarn in a matching color, and fabric patches for larger damages. Routine inspections help identify issues early and extend blanket lifespan. To prevent moth damage during storage, place cedar blocks among folded blankets in airtight containers, as the natural oils in cedar repel clothes moths effectively for about three months before needing replacement.[104] Check for signs of UV damage, such as color fading, by avoiding prolonged exposure to direct sunlight, which breaks down fabric dyes and fibers; store blankets in dark, cool areas when not in use.[105] The frequency of maintenance depends on usage patterns. Bedding blankets should be washed seasonally, every three to six months, to remove accumulated dust and allergens while preventing excessive wear.[106] Wool blankets are particularly sensitive to frequent washing, which can lead to shrinkage if not handled carefully.[99]Environmental Considerations
The production of blankets involves significant resource consumption, particularly in the case of cotton-based varieties, which are among the most water-intensive textiles. Conventional cotton farming requires approximately 20,000 liters of water to produce one kilogram of fiber, a figure that translates to substantial volumes for a typical blanket weighing 1-2 kilograms.[107] This water footprint is exacerbated by irrigation demands in arid growing regions, contributing to groundwater depletion and ecosystem strain. In contrast, wool production presents a lower overall resource burden in terms of water use, as sheep grazing often relies on natural rainfall rather than intensive irrigation, and wool is fully biodegradable, decomposing naturally without persistent environmental residue.[108][109] Synthetic blankets, predominantly made from polyester, pose major challenges at the end-of-life stage due to their persistence in landfills. Polyester fibers can take 20 to 200 years to decompose, releasing microplastics and methane as they break down anaerobically, which amplifies greenhouse gas emissions and soil contamination.[110] As of 2025, global textile waste is estimated at 92-120 million tons annually, with recycling rates around 7-8%, meaning over 92% of discarded textiles, including blankets, end up in landfills or incinerators, perpetuating a cycle of waste that burdens waste management systems.[111][112][113] To mitigate these impacts, sustainable alternatives such as organic cotton and hemp blends have gained traction. Organic cotton avoids synthetic pesticides and reduces water use by up to 91% compared to conventional methods through rain-fed cultivation, while hemp grows rapidly with minimal irrigation—requiring only about 2,000 liters per kilogram—and sequesters CO2 during its growth cycle, enhancing soil health without fertilizers.[108][114] Upcycling programs in the 2020s, such as those operated by TerraCycle and SUAY, transform old blankets into insulation materials or new products, diverting textiles from landfills and promoting circular economies.[115][116] Proper maintenance practices, like regular airing to prevent degradation, can extend blanket lifespan and further lessen replacement demands.[117] The European Union aims to increase textile-to-textile recycling rates to 10% by enhancing circular practices.[118] Regulatory frameworks aim to curb the environmental toll of blanket production, particularly through chemical management and emissions tracking. The European Union's REACH regulation restricts hazardous substances in textile dyes, such as azo dyes and heavy metals, to prevent water pollution from wastewater discharge during manufacturing.[119] Additionally, emerging carbon footprint labeling requirements under EU initiatives mandate disclosure of emissions, with a standard blanket's production emitting 5-10 kg CO2 equivalent, depending on material and sourcing.[120][121] These measures encourage producers to adopt low-impact processes and transparent supply chains.References
- https://en.wiktionary.org/wiki/Decke