Lint (material): Difference between revisions
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===Dryer lint=== |
===Dryer lint=== |
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'''Dryer lint''' is lint generated by the drying of clothes in a [[clothes dryer]]; it typically accumulates on a dryer screen. [[Underwriters Laboratories]] recommends cleaning the lint filter after every cycle for safety and energy efficiency.<ref>[http://www.ul.com/global/eng/pages/offerings/perspectives/consumer/productsafety/dryers/ Underwriters Laboratories product safety tips - clothes dryers].</ref> |
'''Dryer lint''' is lint generated by the drying of clothes in a [[clothes dryer]]; it typically accumulates on a dryer screen. [[Underwriters Laboratories]] recommends cleaning the lint filter after every cycle for safety and energy efficiency.<ref>[http://www.ul.com/global/eng/pages/offerings/perspectives/consumer/productsafety/dryers/ Underwriters Laboratories product safety tips - clothes dryers] {{webarchive|url=https://web.archive.org/web/20140305213824/http://www.ul.com/global/eng/pages/offerings/perspectives/consumer/productsafety/dryers/ |date=2014-03-05 }}.</ref> |
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===Navel lint=== |
===Navel lint=== |
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Revision as of 21:11, 23 December 2017
| Lint | |
|---|---|
 Lint accumulation in the screen of a clothes dryer | |
| Material type | Visible accumulations of textile fibers and other materials |
Lint is the common name for visible accumulations of textile fibers and other materials, usually found on and around clothing. Certain materials used in the manufacture of clothing, such as cotton, linen, and wool, contain numerous, very short fibers bundled together.[1] During the course of normal wear, these fibers may either detach or be jostled out of the weave of which they are part. This is the reason that heavily used articles like shirts and towels become thin over time, and why these particles collect in the lint screen of a clothes dryer.[1]
Because of their low surface area, static cling causes fibers that have detached from an article of clothing to continue to stick to one another and to that article or other surfaces with which they come in contact. Other small fibers or particles also accumulate with these clothing fibers, including human and animal hair and skin cells, plant fibers, and pollen, dust, and microorganisms.
The etymology of the modern word "lint" is related to "linting", the term used for the cultivation of the shorter fibers from the cotton plant (Gossypium), also called "lint", from which lower-quality cotton products are manufactured.[2] Lint is composed of threads of all colors, which blend hues and may appear to be a uniform grey.[3]
Varieties of lint
Dryer lint
Dryer lint is lint generated by the drying of clothes in a clothes dryer; it typically accumulates on a dryer screen. Underwriters Laboratories recommends cleaning the lint filter after every cycle for safety and energy efficiency.[4]
Navel lint
Navel lint (also known by names such as navel fluff, belly button lint, belly button fluff, and dip lint) is an accumulation of fluffy fibers in the navel cavity. Many people find that, at the beginning and end of the day, a small lump of fluff has appeared in the navel cavity. This lint is an accumulation of cloth fibers that are scraped by body hair. The reasons for its accumulation in the navel are a subject of speculation. A likely hypothesis is that rubbing of navel hairs and clothing contributes to a build-up of static electricity, resulting in the collection of clothing fibers and to a lesser extent, dead skin cells.[citation needed]
Georg Steinhauser, a chemist writing in the journal Medical Hypotheses, said that small pieces of fluff first form in the hair and then end up in the navel at the end of the day. He further said that abdominal hair often seems to grow in concentric circles around the navel; the scaly structure of the hair enhances the abrasion of minuscule fibres from the shirt and directs the lint towards the belly button.[5] Steinhauser established that shaving one's belly will result in a fluff-free navel but only until the hairs grow back. His other suggestions include wearing old clothes, which tend to shed less lint than newer garments, which can lose up to one-thousandth of their weight to the belly button over the course of a year. A body piercing can also be used, with belly button rings particularly effective at sweeping away fibres before they lodge.[5]
Pocket lint
Pocket lint (also known as gnurr[6][7]) is debris including bits of fabric as well as small shreds of paper and tissue that are often found in pockets. It may be caused by running the clothing through a washing machine one or more times, causing the pocket lining or contents to compact and shred.[citation needed]
As pocket lint is an amalgamation of the contents of the pockets, pocket lint can be helpful when determining whether drugs have been previously stored in the pockets, by testing it with various drug tests.[citation needed] In a survival situation, pocket lint can be used as tinder for starting a fire.[citation needed]
The Infocom game, The Hitchhiker's Guide to the Galaxy, was sold with a collection of "props" that included a small bag of "pocket fluff".[8]
Problems related to lint
Biological problems
Inhalation of excessive amounts of lint, as observed in early textile workers, may lead to diseases of the lungs, such as byssinosis.[9] Lint shed from clothing during the course of wear may also carry bacteria and viruses.[10] For this reason, the presence of lint presents a danger during surgery, when it might carry microorganisms into open wounds. It has been demonstrated that due to the abrasive contact between clothing and skin, "a person wearing a standard cotton scrub suit actually sheds more bacteria than without clothing".[11] Lint presents a threat to the environment in spaces that generally do not experience human contact, constituting "one of the primary polluters" in cave exploration.[12]
Mechanical problems
Lint contamination also presents what may be the most serious threat of damage to delicate mechanical devices.[13][14] In order to prevent lint contamination, workers entering clean rooms are generally required to wear an outer layer of clothing made from artificial fibers that are longer and thicker, and therefore much less likely to shed any material.[1][15] Lint-resistant clothing materials include elastic fabrics like spandex (or Lycra), for which the fibers will tend to stretch rather than break, and longer, stronger non-woven polyolefin fibers.[16]
Other problems
Lint on clothing is generally considered unattractive and unprofessional. Furthermore, lint may be abrasive and may damage the clothing itself.[17] For these reasons, visible lint is often removed with a lint remover or clothes brush. The accumulation of lint during clothes cleaning can be reduced with the use of a fabric softener, which reduces the amount of static electricity on clothing surfaces and therefore prevents the lint from sticking to the clothes.[18]
Dryer lint, which collects on the lint screen of a clothes dryer, is highly flammable and therefore presents a fire hazard.[19] However, because of this flammability, dryer lint may be collected for use as tinder,[20] although burning man-made fibres can produce toxic fumes.[citation needed]
Uses of lint
Composting
It is possible to compost lint retrieved from the lint screen on a dryer by adding it to other materials being composted. The texture of the material allows the organic matter within it to compost quickly and easily, but depending on the source, it may include inorganic fibers and materials which never break down.[21]
Forensic science
Lint is useful to examine in forensic science because it is accumulated over time, and because the fibers shed from clothing adhere to not only that clothing, but also other particles to which the carrier is exposed. The lint on a person's clothing is therefore likely to contain material transferred from the various environments through which that person has passed,[22] enabling forensic examiners to collect and examine lint to determine the movements and activities of the wearer.[23][24] Examiners may use various chemicals to isolate lint fibers from different articles of clothing based on differences in color and other characteristics.[25]
Tinder
As noted above, dryer lint burns readily. Although this may present a hazard in the household, it also means that lint makes excellent tinder for starting fires.[26] It is especially useful for catching sparks from flint and steel, or similar striker-type fire starters in the absence of matches.[citation needed]
Wound treatment
Lint was used as a form of wound treatment for cuts and sores as early as 1500 BC and as recently as the American Civil War.[27] Lint used specifically for treating wounds was sometimes referred to as charpie.
See also
References
- ^ a b c Contamination and ESD Control in High-Technology Manufacturing. 2006. pp. 415–16.
{{cite book}}: Unknown parameter|authors=ignored (help) - ^ Modern Textiles. 1952. p. 14.
{{cite book}}: Unknown parameter|authors=ignored (help) - ^ Glass, Don (October 16, 2008). "The Color of Lint". A Moment of Science. Indiana Public Media. Retrieved 26 March 2013.
- ^ Underwriters Laboratories product safety tips - clothes dryers Archived 2014-03-05 at the Wayback Machine.
- ^ a b Sawer, Patrick (28 February 2009). "Revealed: The secrets of belly button fluff". The Daily Telegraph. London.
- ^ "..."gnurr", Alastair Reid's name for the fluff that collects in pockets or trouser cuffs."
- ^ Paul Dickson, Authorisms: Words Wrought by Writers (2014), noting that the word was coined by poet Alastair Reid.
- ^ Blake Wilson (September 18, 2008). "'Hitchhiker's Guide': The Game "Arts Beat"". The New York Times.
- ^ Stephen Yafa (2006). Cotton: The Biography of a Revolutionary Fiber.
- ^ Mastura Raheel (1994). Protective Clothing Systems and Materials. p. 19.
- ^ G.S. Kulkarni (2008). Textbook of Orthopedics and Trauma. p. 296.
- ^ Barbara Hurd (2005). Entering the Stone: On Caves and Feeling Through the Dark. p. 54.
- ^ Ira Cochin (1963). Analysis and Design of the Gyroscope for Inertial Guidance. p. 143.
- ^ Cleanrooms: Facilities and Practices. 1991.
{{cite book}}: Unknown parameter|authors=ignored (help) - ^ "The Inside Story on Outdoor Gear". Popular Science. Vol. 238, no. 5. May 1991. p. 82.
- ^ Krishan Kumar Chawla (1998). Fibrous Materials. p. 102.
- ^ Cynthia Townley Ewer (2009). Houseworks. p. 139.
- ^ JJeff Bredenberg (1999). Clean It Fast, Clean It Right. pp. 235–236.
- ^ Eric Kleinert (1995). Troubleshooting and Repairing Major Appliances. p. 231.
- ^ Lori Baird (2007). Don't Throw It Out: Recycle, Renew and Reuse to Make Things Last. p. 216.
- ^ The Complete Compost Gardening Guide. 2008. p. 128.
{{cite book}}: Unknown parameter|authors=ignored (help) - ^ Jane Moira Taupin; Chesterene Cwiklik (2009). Forensic Examination of Clothing. p. 145.
- ^ Jane Moira Taupin; Chesterene Cwiklik (2009). Forensic Examination of Clothing. p. 195.
- ^ The Forensic Laboratory Handbook: Procedures and Practice. 2006. p. 266.
{{cite book}}: Unknown parameter|authors=ignored (help) - ^ Jane Moira Taupin; Chesterene Cwiklik (2009). Forensic Examination of Clothing. p. 190.
- ^ National Geographic Complete Survival Manual. 2009. p. 46.
{{cite book}}: Unknown parameter|authors=ignored (help) - ^ "Notes of a European Tour". Buffalo Medical Journal. 2: 397. 1846.
External links
- Karl Kruszelnicki (2001). "The Great Bellybutton Lint Survey". Q & A with Dr K.
- World record navel lint collection by Graham Barker
- Bellybutton Lint Collecters