Poly(ether-ether-ketone) composite material, production method and application of sealing member
A technology of polyether ether ketone and composite materials, which is applied to parts in contact between valve components and valve seats, mechanical equipment, engine components, etc., can solve problems such as poor hydrolysis resistance, easy breakage, leakage, etc., and achieve improved mechanical properties , Good hydrolysis resistance, cost reduction effect
Active Publication Date: 2008-07-16
NANJING COMPTECH COMPOSITES CORP
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The invention relates to a polyether-ether-ketone composite material which consists of polyether-ether-ketone, nanoparticles, filling materials and addition agent materials. The composite material comprises 75 to 95 portions of polyether-ether-ketone powders, 5 to 10 portions of the nanoparticles, 10 to 20 portions of the filling materials and 2 to 5 portions of the additive agents by weight. The filling materials are glass fiber, carbon fiber, quartz powder and MoS2 or toner. A method of compression moulding forming adopted is that: materials is prepared according to the formula; materials are mixed: the materials prepared according to designed requirements poured into an automatic material mixing machine for evenly mixing, the mixing time is between 0.5 minute and 3 minutes, then compressing process is carried out, and the blended mixture is sent to a mould cavity for moulding. The material can be used for sealing materials products. Various valve sealing elements produced by the invention has properties of creep resisting, corrosion resistance, heat resistance and pressurization, etc.; the ability of pressurization and wear resistance of the material are improved, and at the same time the cost is lowered by 10 to 20 percent or even higher, thus being beneficial to using and promotion of the materials.
Application Domain
Valve member-seat contacts
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