公开(公告)号：US4645785A

公开(公告)日：1987-02-24

申请号：US795127

申请日：1985-11-05

申请人： Gerhard Heinz ,  Wilhelm Schuette ,  Georg N. Simon

发明人： Gerhard Heinz ,  Wilhelm Schuette ,  Georg N. Simon

IPC分类号： C08L59/00 ,  C08K3/00 ,  C08K3/34 ,  C08L7/00 ,  C08L21/00 ,  C08L23/00 ,  C08L23/04 ,  C08L33/00 ,  C08L33/02 ,  C08L59/02 ,  C08L61/20 ,  C08L83/00 ,  C08L83/04 ,  C08L101/00 ,  C08K5/34

CPC分类号： C08K3/34 ,  C08L59/02 ,  C08L23/04 ,  C08L61/20 ,  C08L83/00

摘要： Thermoplastic polyoxymethylene molding materials having high abrasion resistance contain(A) from 4 to 94.7 parts by weight of polyoxymethylene,(B) from 5 to 50 parts by weight of wollastonite,(C) from 0.2 to 5 parts by weight of N-hydroxymethylmelamines in which some or all of the hydroxymethyl groups are etherified with alkanols,(D) from 0.1 to 5 parts by weight of a silicone oil having a degree of polycondensation n of from 10 to 5,000 and/or(E) from 0.1 to 10 parts by weight of polyethylene and/or copolymers of ethylene and .alpha.-olefins having a molecular weight of from 100,000 to 1,000,000,the number of parts by weight of components A, B, C, D and E summing to 100, with or without(F) effective amounts of additives.

摘要翻译： 具有高耐磨性的热塑性聚甲醛成型材料含有（A）4〜94.7重量份的聚甲醛，（B）5〜50重量份的硅灰石，（C）0.2〜5重量份的N-羟甲基蜜胺 其中一些或全部羟甲基用链烷醇醚化，（D）0.1至5重量份的缩聚度为10至5,000的硅油和/或（E）为0.1至10份， 聚乙烯的重量和/或分子量为100,000至1,000,000的乙烯和α-烯烃的共聚物，组分A，B，C，D和E的重量份数相加至100，含或不含（F） 有效量的添加剂。

公开(公告)号：US4055547A

公开(公告)日：1977-10-25

申请号：US588819

申请日：1975-06-20

申请人： Helmut Doerfel ,  Franz Schmidt ,  Wilhelm Schuette ,  Claus Cordes ,  Wolfgang Schenk

发明人： Helmut Doerfel ,  Franz Schmidt ,  Wilhelm Schuette ,  Claus Cordes ,  Wolfgang Schenk

IPC分类号： C08G2/00 ,  C08G2/28

CPC分类号： C08G2/28

摘要： Method of removing odorous formaldehyde from stabilized shaped polyoxymethylenes in which an inert gas is caused to flow over stabilized and shaped solid polyoxymethylenes at elevated temperatures not high enough to cause sticking or fusion of the polyoxymethylene, until substantially all of the volatile formaldehyde has been removed.

摘要翻译： 从稳定化的形状的聚甲醛中除去恶臭甲醛的方法，其中使惰性气体在稳定和成形的固体聚甲醛上升高，不高于足以引起聚甲醛的粘着或熔化，直到基本上所有的挥发性甲醛已被除去。

公开(公告)号：US4639488A

公开(公告)日：1987-01-27

申请号：US795128

申请日：1985-11-05

申请人： Wilhelm Schuette ,  Graham Edmund McKee ,  Albrecht Hilt ,  Gerhard Heinz ,  Heiner Goerrissen

发明人： Wilhelm Schuette ,  Graham Edmund McKee ,  Albrecht Hilt ,  Gerhard Heinz ,  Heiner Goerrissen

IPC分类号： C08L51/00 ,  C08L1/00 ,  C08L7/00 ,  C08L21/00 ,  C08L27/00 ,  C08L33/00 ,  C08L33/02 ,  C08L51/02 ,  C08L51/04 ,  C08L59/00 ,  C08L59/02

CPC分类号： C08L51/04 ,  C08L59/02 ,  Y10S525/902

摘要： Impact-resistant polyoxymethylene molding materials containing(A) from 30 to 95% by weight of one or more polyoxymethylenes and(B) from 5 to 70% by weight of one or more elastomeric graft polymers which are prepared by emulsion polymerization, are dispersed in component A, have a mean particle diameter of from 0.08 to 2 .mu.m and are composed of1. from 60 to 90% by weight of a grafting base of crosslinked polybutadiene in which not more than 30% by weight of the butadiene may be replaced with isoprene, 2,3-dimethylbutadiene, styrene, p-methylstyrene, .alpha.-methylstyrene and/or (meth)acrylonitrile, and2. from 10 to 40% by weight of one or more grafted shells consisting of polymers of styrene and/or methyl methacrylate, in which not more than 15% by weight of the said monomers 2 may be replaced with acrylonitrile or a C.sub.1 -C.sub.8 -alkyl acrylate,the percentages A and B and the percentages 1 and 2 summing to 100, with or without(C) effective amounts of assistants,and a process for their preparation.

摘要翻译： 含有（A）30至95重量％的一种或多种聚甲醛的抗冲击聚甲醛成型材料和（B）5-70重量％的通过乳液聚合制备的一种或多种弹性体接枝聚合物分散在 组分A的平均粒径为0.08至2μm，并由1.60至90重量％的交联聚丁二烯接枝碱组成，其中不超过30重量％的丁二烯可被替换 与异戊二烯，2,3-二甲基丁二烯，苯乙烯，对甲基苯乙烯，α-甲基苯乙烯和/或（甲基）丙烯腈，以及2.10至40重量％的一种或多种接枝壳，其由苯乙烯和/或 甲基丙烯酸甲酯，其中不超过15重量％的所述单体2可以被丙烯腈或丙烯酸C1-C8烷基酯代替，百分比A和B以及百分比1和2相加到100，有或没有（ C）有效数量的助理，以及他们p 赔偿。

公开(公告)号：US4386178A

公开(公告)日：1983-05-31

申请号：US316071

申请日：1981-10-28

申请人： Wilhelm Schuette ,  Albrecht Hilt ,  Manfred Walter ,  Klaus Boehlke

发明人： Wilhelm Schuette ,  Albrecht Hilt ,  Manfred Walter ,  Klaus Boehlke

IPC分类号： C08L59/00 ,  C08G12/42 ,  C08L59/02 ,  C08L61/00 ,  C08L61/04 ,  C08L61/20 ,  C08L61/28 ,  C08K5/34

CPC分类号： C08G12/42 ,  C08L59/02 ,  C08L61/20

摘要： Polyacetal molding materials which contain, as a stabilizer, from 0.1 to 10% by weight of a melamine resin, the latter being a melamine-formaldehyde condensate, having a mean degree of polymerization of from 1.2 to 6.0 and a melamine:formaldehyde ratio of from 1:2 to 1:5.5, which has been partially etherified with a C.sub.1 -C.sub.4 -alkanol so that the ratio melamine:ether radicals is from 1:1.5 to 1:5.0 and the ratio melamine:free methylol groups is from 1:0.5 to 1:3. The molding materials can be converted to moldings which can be used industrially at elevated ambient temperatures.

摘要翻译： 聚缩醛成型材料含有作为稳定剂0.1至10重量％的三聚氰胺树脂，后者为三聚氰胺 - 甲醛缩合物，其平均聚合度为1.2至6.0，三聚氰胺：甲醛比为 1：2至1：5.5，其用C1-C4链烷醇部分醚化，使得三聚氰胺：醚基的比例为1:1.5至1:5.0，三聚氰胺：游离羟甲基的比例为1:0.5 至1：3。 成型材料可以转化成可在工业上在高温环境下使用的模制品。

公开(公告)号：US4837400A

公开(公告)日：1989-06-06

申请号：US152389

申请日：1988-02-04

申请人： Manfred Walter ,  Wilhelm Schuette ,  Heiner Goerrissen

发明人： Manfred Walter ,  Wilhelm Schuette ,  Heiner Goerrissen

IPC分类号： C08L59/00 ,  C08K3/32 ,  C08K3/34 ,  C08K5/13 ,  C08K5/521 ,  C08K13/02

CPC分类号： C08K5/521 ,  C08K13/02 ,  C08K3/34

摘要： Polyoxymethylene molding materials having improved heat stability and consisting of(A) one or more polyoxymethylene homopolymers and/or copolymers and(B) one or more antioxidants having a sterically hindered phenolic structure,(C) with or without additives, contain(D) as an additive, one or more alkaline earth metal silicates and/or alkaline earth metal glycerophosphates, advantageously in an amount of from 0.002 to 2.0% by weight, based on the weight of component (A),for improving the heat stability, reducing the tendency to discoloration and minimizing the free formaldehyde content.To prepare the novel polyoxymethylene molding materials, the components are advantageously melted in an extruder at from 150.degree. to 260.degree. C.The polyoxymethylene molding materials are useful for the production of films or, preferably, moldings, which are used, for example, in the automotive, electrical appliances and electronics industries.

摘要翻译： 具有改进的热稳定性并由（A）一种或多种聚甲醛均聚物和/或共聚物组成的聚甲醛成型材料和（B）一种或多种具有空间位阻酚结构的抗氧化剂，（C）含或不含添加剂，含有（D）为 添加剂，一种或多种碱土金属硅酸盐和/或碱土金属甘油磷酸盐，其用量以组分（A）的重量计为0.002至2.0重量％，用于改善热稳定性，降低趋势 使变色和使游离甲醛含量最小化。 为了制备新颖的聚甲醛成型材料，有利的是在150至260℃的挤出机中熔融组分。聚氧化亚甲基成型材料可用于生产薄膜或模制品，例如用于 汽车，电器和电子行业。

公开(公告)号：US4780498A

公开(公告)日：1988-10-25

申请号：US77631

申请日：1987-07-24

申请人： Heiner Goerrissen ,  Dietrich Saenger ,  Wilhelm Schuette ,  Manfred Walter

发明人： Heiner Goerrissen ,  Dietrich Saenger ,  Wilhelm Schuette ,  Manfred Walter

IPC分类号： C08K3/34 ,  C08L59/00 ,  C08L75/00 ,  C08L75/04

CPC分类号： C08K3/34 ,  C08L59/00 ,  C08L75/04

摘要： Molding materials of(A) one or more polyoxymethylene homopolymers and/or copolymers and(B) one or more thermoplastic polyurethane elastomers,(C) with or without additives, contain, as an additive,(D) one or more alkaline earth metal silicates, advantageously in an amount of from 0.005 to 2% by weight, based on the weight of the components (A) and (B), for improving the heat stability, reducing the tendency to discoloration and minimizing the free formaldehyde content.To prepare the molding materials, the components (A), (B), (D) and, if required (C) are advantageously melted together in an extruder at from 150.degree. to 260.degree. C.The molding materials are useful for the production of films or moldings, which are used, for example, in the automotive, electrical appliances and electronics industries.

摘要翻译： （A）一种或多种聚甲醛均聚物和/或共聚物的成型材料和（B）一种或多种热塑性聚氨酯弹性体，（C）有或没有添加剂，含有（D）一种或多种碱土金属硅酸盐 ，有利地为基于组分（A）和（B）的重量的0.005-2重量％，用于改善热稳定性，降低变色的倾向和使游离甲醛含量最小化。 为了制备模塑材料，组分（A），（B），（D）和（如果需要（C））有利地在150至260℃的挤出机中熔融在一起。成型材料可用于生产 的电影或模制品，其用于例如汽车，电器和电子工业。