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Seven application areas of ultra-high molecular weight polyethylene fibers
Time of issue:
2022-08-25
The English name of ultra-high molecular weight polyethylene, referred to as UHMWPE or UPE, refers to linear polyethylene with an average molecular weight of more than 1.5 million
The English name of ultra-high molecular weight polyethylene, referred to as UHMWPE or UPE, refers to linear polyethylene with an average molecular weight of more than 1.5 million. Also known as high-strength and high-modulus polyethylene fibers. Ultra-high molecular weight polyethylene fiber, together with carbon fiber and aramid fiber, is known as the three major high-performance fibers. It is the fiber with high specific strength and anti-ballistic performance among the industrialized fiber materials.
Due to its extremely high molecular weight, UHMWPE has the incomparable comprehensive performance of ordinary polyethylene and other engineering plastics, and is called "amazing plastic" by many countries in Europe and America.
UHMWPE fiber has excellent properties such as high strength and high modulus, impact resistance, abrasion resistance, chemical corrosion resistance, electrical insulation and light resistance. Its specific strength is equivalent to 15 times that of high-quality steel wire, 1.8 times that of carbon fiber, and 1.6 times that of aramid. It has ultra-low elongation at break, high energy absorption rate, soft and easy to bend, and has a lower density than water. It is widely used in national defense, military and civilian industries. It is a strategic material for a strong country and a strong army. It is widely used and is currently the preferred material for the manufacture of body armor, bulletproof helmets and protective armor.
UHMWPE fiber is "as thin as paper and as hard as steel", and bulletproof and explosion-proof helmets made of fiber-reinforced resin composites have become substitutes for steel helmets and aramid-reinforced composite helmets. Bulletproof helmets and riot helmets made of UHMWPE fiber-reinforced resin composite materials abroad have gradually replaced steel helmets and aramid composite helmets.
In aerospace engineering, because the fiber composite material is light in weight, high in strength and good in impact resistance, it can be applied to wingtip structures of various aircraft, spacecraft structures and buoy aircraft. The fiber can also be used as a deceleration parachute for space shuttle landings and ropes for suspending heavy objects on aircraft, replacing traditional steel cables and synthetic fiber ropes, and its development is extremely rapid.
In the marine industry, UHMWPE fiber has quickly become the main material for marine ropes, ship mooring ropes, ocean fishing nets and marine aquaculture cages due to its excellent performance. Its market demand has maintained strong growth, especially in the manufacturing of ropes, cables and other rope nets. The ropes and cables made of UHMWPE have a much higher breaking length under their own weight than steel ropes and aramid fibers, and are lighter and more energy-efficient than water. Floating on the water surface, it is also resistant to seawater corrosion and ultraviolet radiation, which can ensure a longer service life. The market demand will maintain strong growth in the future.
In the field of sports equipment, UHMWPE fiber can be made into helmets, snowboards, sailboards, fishing rods, rackets and bicycles, gliders, ultra-lightweight aircraft parts, etc., and its performance is superior to traditional materials.
In the medical and health field, UHMWPE fiber-reinforced composite materials are used in dental tray materials, medical implants and plastic sutures. has entered clinical application. It can also be used in medical gloves and other medical equipment.
In the construction industry, UHMWPE fiber-reinforced composite materials can be used as walls, partition structures, etc. As a reinforced cement composite material, it can improve the toughness of cement and improve its impact resistance. UHMWPE fibers can also be used as building material slings, building protective nets, cargo hoisting nets, etc.
In industrial applications, UHMWPE fibers and their composites can be used as pressure-resistant containers, conveyor belts, filter materials, automotive bumpers, and more. Due to the excellent wear resistance and impact resistance of UHMWPE fiber and its composite materials, various gears, cams, impellers, rollers, pulleys, bearings, bearing bushes, bushings, shafts, gaskets, etc. can be produced in the machinery manufacturing industry. Mechanical components such as gaskets, elastic couplings, screws, etc.
Keyword:
UHMWPE fiber
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2022-08-25
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