公开(公告)号：US06211268B1

公开(公告)日：2001-04-03

申请号：US09306832

申请日：1999-05-07

申请人： Takatoshi Matsumura ,  Chiharu Nishizawa ,  Hiroshi Mimura ,  Hiroshi Yada ,  Kazuo Kurashige

发明人： Takatoshi Matsumura ,  Chiharu Nishizawa ,  Hiroshi Mimura ,  Hiroshi Yada ,  Kazuo Kurashige

IPC分类号： C08L5902

CPC分类号： C08K5/34922 ,  C08L59/02 ,  C08L71/02 ,  C08L2666/04 ,  C08L91/06 ,  C08L2666/16

摘要： A polyoxymethylene resin composition comprising: (A) 100 parts by weight of a polyoxymethylene copolymer; (B) 0.01 to 7 parts by weight of an amine-substituted triazine compound; and (C) 0.01 to 5 parts by weight of (C-1) polyethylene glycol having an average molecular weight of 10,000 or more and/or (C-2) modified polyolefin wax having an acidic group with an acid value of 0.5 to 60 mg-KOH/g. According to the present invention, there can be provided a polyoxymethylene resin molded product which has low shrink anisotropy, excellent thermal stability and dimensional stability.

摘要翻译： 一种聚甲醛树脂组合物，其包含：（A）100重量份的聚甲醛共聚物;（B）0.01至7重量份的胺取代的三嗪化合物; 和（C）0.01〜5重量份平均分子量为10,000以上的（C-1）聚乙二醇和/或具有酸值为0.5〜60的酸性基团的（C-2）改性聚烯烃蜡 mg-KOH / g。根据本发明，可以提供具有低收缩各向异性，优异的热稳定性和尺寸稳定性的聚甲醛树脂模塑制品。

公开(公告)号：US06590020B1

公开(公告)日：2003-07-08

申请号：US09719817

申请日：2000-12-18

申请人： Wolfgang Eberle ,  Burkhardt Dames

发明人： Wolfgang Eberle ,  Burkhardt Dames

IPC分类号： C08L5902

CPC分类号： C08L59/02 ,  C08K5/103 ,  C08K5/1345 ,  C08K5/521 ,  C08L77/00 ,  C08L61/20

摘要： 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.

摘要翻译： 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％。