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The properties and the application of the modified poly (aryl ether ketone
by：CSSSLD
2021-02-03
When LCP and some polymer blending modification, due to the rigidity of LCP and non liquid crystal polymer injection tooling general compatibility is bad, can join the block or graft modification of LCP, improve material bonding and mutual compatibility of two phase interface, effectively improve the performance of materials.
Used for LCP alloy compatibilizer as containing aliphatic based semi aromatic LCP, polyester imide, bifunctional block copolyether segment of epoxy resin, and so on.
PEEK valve plates, dynamic sealing ring material has high strength, high modulus, high fracture toughness, high dimensional stability, sliding friction resistance, resistance to fretting wear and fretting wear resistant mechanics and friction performance of the material. General use PEEK and K2Ti3 whisker, glass fiber or carbon fiber and supplemented by a certain amount of lubricant blending to produce. Preparation process for the powder of the PEEK resin and filler of solid powder materials by mechanical mixing, including whisker dispersed evenly as far as possible. Then into the high temperature twin-screw extruder granulation, make each component in the process of resin melt plasticizing fully knead.
LCP blend modification of alloying can improve its processing formability, balanced mechanics performance and reduce the cost. LCP levels in 0 15% when can improve the formability, such as adding a small amount of LCP in PET, PP can promote the crystallization rate, LCP is added in the PES can improve the liquidity. LCP levels in 15 50% when materials can improve the mechanical performance or lower linear expansion coefficient, etc. LCP content exceeds 50%, add other plastic can reduce the cost.
PAEK has good electrical insulation, in the field of electronic appliances can be used as cover material of wire and cable, plug connector, printed circuit boards, gasket, valve, etc. Can be made into plane various connectors of flame resistant, oil resistant, weather resistance, creep of the radome, the long-term use under 240 ℃ high speed engine accessories, piston ring, o-rings, trundleing the zhuzhou, nuclear waste with radiation resistant blow molding containers, all kinds of power transmission device, textile and paper industry with strong mechanical parts, etc.
liquid crystal polymer with high strength, high modulus of elasticity, and excellent dimensional stability and formability. The downside is different mechanical strength of the moulded part to sex strong, low seam strength. Field of LCP demand mainly for injection molding products, including electronic components accounted for nearly 80%. LCP is divided into dense type of LCP and cause the LCP two kinds big. In solution state display LCD sex, while the latter in the molten state in LCD. Don't melt even heating, while the latter can be injection, extrusion molding, melting and heating the LCP is polycarbonate, polyurethane, polyester, polyamide, etc.
polyphenyl ether ketone not only in terms of mechanical properties of strength, high modulus and fracture toughness, and also smaller because of the strength loss caused by high temperature, good dimensional stability, in terms of friction performance, resistance to sliding wear and fretting wear resistance properties, especially high temperature wear characteristics are more conspicuous, the forming technology, mould pressing, because not only can extrusion and injection molding processing, processing performance is significantly better than other normally only high temperature resistant plastic molding.
the market is more polyester LCP, and more for containing hydroxy benzoic acid structure, for HBA co-polymer. LCP currently has the following grades: grade, high strength, easy flow, easy molding, low warp. Because of the LCP expensive raw materials, molding process is difficult to control, and LCPT cheng plastic products with low anisotropy and the impact strength of faults, need to be modified, to expand its application scope, LCP modification method is mainly blending modification.
more wonderful articles, modification and application of polyimide, click directly.
http://www。 csssld。 cn//html/2016/Info_1206/424。 HTML
nantong on suye's official website: http://www. csssld。 cn//
PEEK valve plates, dynamic sealing ring material has high strength, high modulus, high fracture toughness, high dimensional stability, sliding friction resistance, resistance to fretting wear and fretting wear resistant mechanics and friction performance of the material. General use PEEK and K2Ti3 whisker, glass fiber or carbon fiber and supplemented by a certain amount of lubricant blending to produce. Preparation process for the powder of the PEEK resin and filler of solid powder materials by mechanical mixing, including whisker dispersed evenly as far as possible. Then into the high temperature twin-screw extruder granulation, make each component in the process of resin melt plasticizing fully knead.
LCP blend modification of alloying can improve its processing formability, balanced mechanics performance and reduce the cost. LCP levels in 0 15% when can improve the formability, such as adding a small amount of LCP in PET, PP can promote the crystallization rate, LCP is added in the PES can improve the liquidity. LCP levels in 15 50% when materials can improve the mechanical performance or lower linear expansion coefficient, etc. LCP content exceeds 50%, add other plastic can reduce the cost.
PAEK has good electrical insulation, in the field of electronic appliances can be used as cover material of wire and cable, plug connector, printed circuit boards, gasket, valve, etc. Can be made into plane various connectors of flame resistant, oil resistant, weather resistance, creep of the radome, the long-term use under 240 ℃ high speed engine accessories, piston ring, o-rings, trundleing the zhuzhou, nuclear waste with radiation resistant blow molding containers, all kinds of power transmission device, textile and paper industry with strong mechanical parts, etc.
liquid crystal polymer with high strength, high modulus of elasticity, and excellent dimensional stability and formability. The downside is different mechanical strength of the moulded part to sex strong, low seam strength. Field of LCP demand mainly for injection molding products, including electronic components accounted for nearly 80%. LCP is divided into dense type of LCP and cause the LCP two kinds big. In solution state display LCD sex, while the latter in the molten state in LCD. Don't melt even heating, while the latter can be injection, extrusion molding, melting and heating the LCP is polycarbonate, polyurethane, polyester, polyamide, etc.
polyphenyl ether ketone not only in terms of mechanical properties of strength, high modulus and fracture toughness, and also smaller because of the strength loss caused by high temperature, good dimensional stability, in terms of friction performance, resistance to sliding wear and fretting wear resistance properties, especially high temperature wear characteristics are more conspicuous, the forming technology, mould pressing, because not only can extrusion and injection molding processing, processing performance is significantly better than other normally only high temperature resistant plastic molding.
the market is more polyester LCP, and more for containing hydroxy benzoic acid structure, for HBA co-polymer. LCP currently has the following grades: grade, high strength, easy flow, easy molding, low warp. Because of the LCP expensive raw materials, molding process is difficult to control, and LCPT cheng plastic products with low anisotropy and the impact strength of faults, need to be modified, to expand its application scope, LCP modification method is mainly blending modification.
more wonderful articles, modification and application of polyimide, click directly.
http://www。 csssld。 cn//html/2016/Info_1206/424。 HTML
nantong on suye's official website: http://www. csssld。 cn//
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