发明名称 |
Impact resistant polymeric compositions containing polyamides, maleic anhydride adducts of hydrogenated polymers and graft copolymers thereof |
摘要 |
Polymeric compositions having resistance to impact comprising (a) from about 50 to about 90 percent by weight of a polyamide having a number average molecular weight of at least 10,000 and (b) from about 10 to about 50 percent by weight of a maleic anhydride adduct of a hydrogenated polymer of one or more conjugated dienes or a hydrogenated copolymer of a conjugated diene and a vinyl aromatic hydrocarbon, said hydrogenated polymer or copolymer having a residual unsaturation content of from about 0.5 to about 20% of its original unsaturation content prior to hydrogenation; wherein at least 5 percent by weight of components (a) and (b) are present in the form of a graft copolymer containing at least 20 percent of polyamide. The compositions exhibit especially advantageous properties, particularly high impact strength and are useful in a variety of molding applications such as molded bushings, gears, cams, valves and a variety of other products.
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申请公布号 |
US4508874(A) |
申请公布日期 |
1985.04.02 |
申请号 |
US19830548904 |
申请日期 |
1983.11.04 |
申请人 |
THE FIRESTONE TIRE & RUBBER COMPANY |
发明人 |
HERGENROTHER, WILLIAM L.;MATLOCK, MARK G.;AMBROSE, RICHARD J. |
分类号 |
C08L77/00;(IPC1-7):C08F8/00;C08F297/04 |
主分类号 |
C08L77/00 |
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