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Flame-retardant filled polypropylene compound with improved flow properties
Flame-retardant filled polypropylene compound with improved flow properties
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机译:具有改善的流动性能的阻燃填充聚丙烯化合物
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摘要
An improved flame-retardant thermoplastic compound based upon a surface modified alumina hydrate composition containing powdered alumina hydrate, a liquid mixture of C.sub.10 -C.sub.20 carboxylic acids and a solid mixture of C.sub.14 -C.sub.20 carboxylic acids. A preferred solid mixture comprises stearic acid and palmitic acid. Thermoplastic compounds made with polypropylene and an alumina hydrate composition containing isostearic acid together with the solid fatty acid mixture of the invention exhibit an increased melt index and reduced molding pressure compared with polypropylene compounds made with isostearic acid coated alumina hydrate and no solid fatty acid mixture.
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