Ultra-high molecular weight polyethylene resin composition
A polyethylene resin, ultra-high molecular weight technology, applied in the direction of one-component polyolefin rayon, etc., can solve the problems of unstable fiber performance, easy fiber breakage, low strength, etc., to achieve good spinning effect, stable performance, The effect of high modulus
Active Publication Date: 2012-09-12
CHINA PETROLEUM & CHEM CORP
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Problems solved by technology
[0004] The purpose of the present invention is to provide an ultra-high molecular weight polyethylene resin composition, which has a good spinning effect and solves the problems of easy fiber breakage, unstable fiber performance and low strength in the current spinning process of ultra-high molecular weight polyethylene fibers. and other defects
Method used
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Embodiment 1
[0021] Component A: Ultra-high molecular weight polyethylene resin, weight fraction: 100 parts; Component B: tetrakis[β-(3,5-di-tert-butyl-4-hydroxyphenyl) propionate] pentaerythritol ester, weight fraction: 0.5 servings.
Embodiment 2
[0023] Component A: Ultra-high molecular weight polyethylene resin, weight fraction: 100 parts; Component B: tetrakis[β-(3,5-di-tert-butyl-4-hydroxyphenyl) propionate] pentaerythritol ester, weight fraction: 0.2 parts; component C: calcium stearate, weight fraction: 0.03.
Embodiment 3
[0025] Component A: Ultra-high molecular weight polyethylene resin, weight fraction: 100 parts; Component B: tris(2,4-di-tert-butylphenyl) phosphite, weight fraction: 0.3 parts; Component C: stearin Calcium acid, weight fraction: 0.06.
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Abstract
The invention provides an ultra-high molecular weight polyethylene resin composition. The ultra-high molecular weight polyethylene resin composition is characterized in that 100 parts of ultra-high molecular weight polyethylene resin, 0.001 to 0.5 part of antioxidant and 0 to 0.6 part of mineral filler are included according to parts by weight, wherein the molecular weight of the ultra-high molecular weight polyethylene resin is between 2,000 thousand and 5,000 thousand, the average particle diameter ranges from 80 mum to 300 mum, the particle size distributional width is less than 3.0, the tensile breaking stress is higher than 25 MPa, and the tensile breaking strain is higher than 200 percent. The ultra-high molecular weight polyethylene resin composition overcomes the defects that fibers are easily broken and the fiber property is unstable during the spinning process of the present ultra-high molecular weight polyethylene fiber; the ultra-high molecular weight polyethylene resin has better spinning effect; and the fiber has the characteristics of high strength, high modulus, stable property, and the like.
Description
technical field [0001] The invention relates to an ultra-high molecular weight polyethylene (UHMWPE) resin. The resin is suitable for continuous production of high-strength, high-modulus ultra-high molecular weight polyethylene fibers. Background technique [0002] With the development of ultra-high molecular weight polyethylene industry, ultra-high molecular weight polyethylene fiber has also been developed faster and faster. It is the third generation of high-performance fiber after carbon fiber and aramid fiber. It has low density and high modulus. , UV resistance, wear resistance, impact resistance, high strength and other outstanding properties, it has the highest cost performance among the three existing fiber materials. The fiber has the characteristics of both military and civilian uses, and is widely used in special ropes, fishing nets, sports equipment, various light soft bulletproof vests, bulletproof helmets, riot shields, explosion-proof devices and other prote...
Claims
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IPC IPC(8): C08L23/06C08K5/134C08K5/13C08K5/526C08K5/098C08K5/524C08K5/36D01F6/04
Inventor 李文义达建文谢建玲张建民周建勇王秀丽严婕王晶
Owner CHINA PETROLEUM & CHEM CORP
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