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    • 3. 发明授权
    • Stabilized polyoxymethylene moulding materials
    • 稳定的聚甲醛成型材料
    • US06590020B1
    • 2003-07-08
    • US09719817
    • 2000-12-18
    • Wolfgang EberleBurkhardt Dames
    • Wolfgang EberleBurkhardt Dames
    • C08L5902
    • C08L59/02C08K5/103C08K5/1345C08K5/521C08L77/00C08L61/20
    • Thermoplastic polyoxymethylene molding materials containing A) from 10 to 99.98% by weight of a polyoxymethylene homo- or copolymer B) from 0.005 to 2% by weight of a sterically hindered phenol C) from 0.001 to 2% by weight of a polyamide D) from 0.002 to 2% by weight of an alkaline earth metal silicate or of an alkaline earth metal glycerophosphate E) from 0.01 to 5% by weight of at least one ester or amide of saturated or unsaturated aliphatic carboxylic acids of 10 to 40 carbon atoms with polyols or aliphatic saturated alcohols or amines of 2 to 40 carbon atoms or an ether which is derived from alcohols and ethylene oxide F) from 0 to 5% by weight of a melamine/formaldehyde condensate G) from 0 to 74% by weight of further additives, the sum of the percentages by weight of the components A) to G) being 100% in each case.
    • 含有A)10-99.8%(重量)聚氧亚甲基均聚物或共聚物B)0.005-2%(重量)的空间位阻酚C)0.001-2%(重量)聚酰胺D)的热塑性聚甲醛模塑料,0.002%至2% 重量的碱土金属硅酸盐或碱土金属甘油磷酸酯E)0.01至5重量%的至少一种具有10至40个碳原子的饱和或不饱和脂族羧酸的酯或酰胺与多元醇或脂族饱和醇或 2至40个碳原子的胺或衍生自醇和环氧乙烷的醚F)0至5重量%的三聚氰胺/甲醛缩合物G)0至74重量%的其它添加剂,其百分比之和 在各种情况下,组分A)至G)的重量为100%。