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    • 2. 发明授权
    • Flexible high thermomechanical stress-resistant and fireproof halogen-free thermoplastic compositions
    • 柔软的高机械耐热和耐火无卤素热塑性组合物
    • US07897673B2
    • 2011-03-01
    • US12303174
    • 2007-06-01
    • Jean-Jacques FlatPhilippe BlondelDavid Meslet
    • Jean-Jacques FlatPhilippe BlondelDavid Meslet
    • C08K3/32C08K3/34
    • C09K21/12C08G81/028C08L23/02C09D5/18C09K21/04H01B7/295H01R13/527C08L2666/20
    • The invention concerns flexible high thermomechanical stress-resistant and fire retardant halogen-free thermoplastic compositions, comprising a polyamide block-graft copolymer consisting of a trunk and on average at least one polyamide graft, wherein the grafts are bound to the trunk by the residues of an unsaturated monomer (X) having a function capable of reacting with a polyamide at the amine-terminal, the unsaturated monomer residues (X) being bound on the trunk by grafting or copolymerization from the double bond thereof. The invention is characterized in that the compositions comprise a mixture: 50 to 70 wt. % of polyamide block copolymer, 25 to 35 wt. % of a flame-retardant agent selected among ammonium phosphates, phosphinates, pyrophosphates, and polyphosphates, about 2 wt. % of zeolite, or hydrotalcitemolecular sieves. Said compositions are particularly useful for making electric cables, electric components, for molding electrotechnical housings, or for making coating layers or thermal protection sleeves for fluid transfer lines in the automotive industry.
    • 本发明涉及柔性高的热机械应力阻力和阻燃无卤热塑性组合物,其包含由树干和平均至少一个聚酰胺接枝物组成的聚酰胺嵌段共聚物共聚物,其中移植物通过残留物 具有能够在胺末端与聚酰胺反应的功能的不饱和单体(X),不饱和单体残基(X)通过从其双键接枝或共聚而结合在树干上。 本发明的特征在于,所述组合物包含混合物:50至70wt。 %的聚酰胺嵌段共聚物,25〜35重量% 选自磷酸铵,次膦酸盐,焦磷酸盐和多磷酸盐的阻燃剂的百分比为约2重量% %的沸石或水分子分子筛。 所述组合物特别可用于制造用于汽车工业中的流体输送线的电缆,用于模制电工技术外壳的电气部件或用于制造涂层或热保护套管。