A synthetic rubber produced by polymerization of chloroprene and used in weather-resistant products, adhesives, shoe soles, sportswear, paints, and rocket fuels.
[NEO– + (CHLORO)PRENE.]
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A synthetic rubber produced by polymerization of chloroprene and used in weather-resistant products, adhesives, shoe soles, sportswear, paints, and rocket fuels.
[NEO– + (CHLORO)PRENE.]
For more information on neoprene, visit Britannica.com.
A synthetic rubber which has high resistance to sunlight and oil; used in sheet form as roof membranes and flashings, as gasketing, in vibration control, etc.
Neoprene is the DuPont Performance Elastomers trade name for a family of synthetic rubbers based on polychloroprene (polymer form of Chloroprene).
Neoprene was invented by DuPont scientists after Dr. Elmer K. Bolton of
DuPont laboratories attended a lecture by Fr. Julius Arthur
Nieuwland, a professor of chemistry at the University of Notre Dame. Fr. Nieuwland's research was focused on acetylene chemistry and during the course of his work he produced divinyl acetylene, a jelly which firms into
an elastic compound similar to rubber when passed over sulfur dichloride. After DuPont
purchased the patent rights from the university, Wallace
Carothers of DuPont took over commercial development of Nieuwland's discovery in collaboration with Nieuwland himself.
DuPont focused on monovinyl acetylene and reacted the substance with
Neoprene (originally called duprene) was the first mass-produced synthetic rubber compound.
It is used in a wide variety of environments, such as in wetsuits, laptop sleeves, electrical insulation, and car fan belts. Its chemical inertness makes it well suited for industrial applications such as gaskets, hoses, and corrosion-resistant coatings. It can be used as a base for adhesives, noise isolation in power transformer installations, and as padding in external metal cases to protect the contents while allowing a snug fit. Neoprene is also used as a contrast in some jewelry designs. Its springy consistency makes it notoriously difficult to fold when in sheet form.
Neoprene is commonly used as a material for fly fishing waders, as it provides excellent insulation against cold. Neoprene waders are usually about 5 mm thick, and in the medium price-range as compared to cheaper materials such as nylon and rubber. However, Neoprene is less expensive than breathable fabrics.
For diving and exposure protection applications, the air spaces in the neoprene are filled with nitrogen for its insulation value. This also makes the material quite buoyant, and the diver must compensate for this by wearing special weights. Thick wet-suits made at the extreme end of their cold-water protection are usually made of 7 mm thick neoprene. It should be noted that since neoprene contains many porous air-spaces, the material compresses the greater the depth it is exposed to. So a 7 mm neoprene wet suit offers much less exposure protection under one hundred feet of water than at the surface. A new advance in neoprene for wet-suits has been the "super-flex" variety which combines spandex into the neoprene for a greater flexibility.
Recently, neoprene has become a favorite material for lifestyle and other home accessories including laptop sleeves, iPod holders, remote controls, etc.
Also in recent years, Jug, an aftermarket inline skate liner manufacturer, has incorporated neoprene into the construction of some of their more popular product-lines, citing that neoprene adds reinforcement (ankle support) and guards against abrasions like few materials do. As a simple matter of durability and product-lifespan, liners constructed with neoprene additives are typically more expensive than those which are not.
Yamaha has begun replacing corks not being used for sealing (such as when sealing the joints of a clarinet) with neoprene.
| E.I. du Pont de Nemours and Company (DuPont) | |
|---|---|
| Corporate Directors: | Richard H.
Brown · Robert A. Brown · Bertrand P. Collomb · Curtis Crawford · There du Pont ·
John T. Dillon · |
| Products: | Corian · Kevlar · Mylar · Neoprene · Nomex · Nylon · Teflon · Tyvek |
| Annual Revenue: $27.3 billion USD ( Stock Symbol: Preferred stock: NYSE: DDPRA, NYSE: DDPRB Common stock: NYSE: DD · Website: www.dupont.com |
|
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Nederlands (Dutch)
neopreen (synthetische rubber)
Français (French)
n. - Néoprène
Deutsch (German)
n. - Neopren (Kunststoff)
Ελληνική (Greek)
n. - (χημ.) νεοπρένιο, συνθετικό καουτσούκ
Português (Portuguese)
n. - neopreno (m) (Quím.)
Español (Spanish)
n. - neopreno, caucho sintético
Svenska (Swedish)
n. - kloroprengummi, neopren
中文(简体) (Chinese (Simplified))
氯丁橡胶
中文(繁體) (Chinese (Traditional))
n. - 氯丁橡膠
한국어 (Korean)
n. - 네오프린(합성 고무의 일종)
العربيه (Arabic)
(الاسم) النيوبرين : مطاط صناعي
עברית (Hebrew)
n. - גומי מלאכותי עמיד
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