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    • 7. 发明授权
    • Impact promoters for mineral-filled thermoplastics
    • 矿物填充热塑性塑料的冲击促进剂
    • US4795768A
    • 1989-01-03
    • US937420
    • 1986-12-03
    • Fred H. AnckerArnold C. Ashcraft, Jr.
    • Fred H. AnckerArnold C. Ashcraft, Jr.
    • C08K3/22C08K3/24C08K3/26C08K5/09C08K5/521C08K9/00
    • C08K5/09C08K3/22C08K3/24C08K3/26C08K5/521
    • A mineral-filled thermoplastic composition is disclosed which comprises polyethylene or an ethylene-vinyl acetate compolymer; a mineral filler consisting, in the case of polyethylene, of aluminum trihydrate, magnesium hydrate, calcium carbonate or calcium/magnesium carbonates, and, in the case of the ethylene-vinyl acetate copolymer, barium titanite or neodymium titanate; and, in the case of polyethylene, an impact promoter consisting of tri(2-ethylhexyl) phosphate, isostearic acid or dodecylpyridinium salts, the selection of the impact promoter being dependent upon the mineral filler being employed, and, in the case of the ethylene-vinyl acetate copolymer, an amount of isostearic acid sufficient to increase the ductility of the composition; also disclosed is an additive composition for a thermoplastic composition which comprises a hydrophobic agent and an impact promoter.
    • 公开了一种矿物填充热塑性组合物,其包含聚乙烯或乙烯 - 乙酸乙烯酯共聚物; 在聚乙烯的情况下由三水合铝,氢氧化镁,碳酸钙或碳酸钙/碳酸钙组成的矿物填料,以及在乙烯 - 乙酸乙烯酯共聚物的情况下,钛酸钡或钛酸钕; 并且在聚乙烯的情况下,由磷酸三(2-乙基己基)酯,异硬脂酸或十二烷基吡啶鎓盐组成的冲击促进剂,所述冲击促进剂的选择取决于所用的矿物填料,并且在乙烯的情况下 乙酸乙烯酯共聚物,一定量的异硬脂酸足以增加组合物的延展性; 还公开了一种用于热塑性组合物的添加剂组合物,其包含疏水剂和抗冲击剂。