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    • 3. 发明授权
    • Production of reinforced polytetramethyleneadipamide
    • 生产增强聚四亚甲基己二胺
    • US5332778A
    • 1994-07-26
    • US97909
    • 1993-07-28
    • Gunter PipperWalter Goetz
    • Gunter PipperWalter Goetz
    • C08G69/28C08L77/06C08G69/30C08K3/40
    • C08G69/28C08L77/06
    • A process for producing nylon-4,6 which is filled with a reinforcing agent by mixing a reinforcing agent with nylon-4,6 in the melt comprises the steps ofa) polycondensing a salt of 1,4-diaminobutane and adipic acid in the presence of excess 1,4-diaminobutane and water at polyamide-forming temperatures under superatmospheric pressure to give a precondensate having a relative viscosity .ltoreq.1.60,b) polycondensing the precondensate of a) in solid phase in the presence of steam at 220.degree.-270.degree. C. to obtain a nylon-4,6 having a relative viscosity of from 2.0 to 2.6,c) incorporating a reinforcing agent in the melt into nylon-4,6 from stage b) to obtain a nylon-4,6 filled with a reinforcing agent,d) polycondensing said filled nylon-4,6 in solid phase in the presence of steam at 220.degree.-270.degree. C. to a relative viscosity of at least 3.2.
    • 通过将增强剂与尼龙-4.6混合在熔体中而填充有增强剂的尼龙4,6的方法包括以下步骤:a)将1,4-二氨基丁烷和己二酸的盐缩聚在 在超大气压下在聚酰胺形成温度下存在过量的1,4-二氨基丁烷和水,得到相对粘度<1.60的预缩合物,b)在220℃的蒸气存在下使固相中的a)的预缩合物缩聚 -270℃,得到相对粘度为2.0〜2.6的尼龙-4,6,c)将熔融物中的增强剂加入到步骤b)中的尼龙4,6中,得到尼龙4,6 填充有增强剂,d)在220-270℃的蒸气存在下将固体状的所述填充尼龙4,6的聚缩聚物至少为3.2的相对粘度。
    • 4. 发明授权
    • Molding materials based on homo- and copolyamides with olefinic double
bonds
    • 基于具有烯属双键的均聚酰胺和共聚酰胺的成型材料
    • US5266656A
    • 1993-11-30
    • US25881
    • 1993-03-03
    • Walter GoetzBrigitte GareissAndreas DeckersPetra Baierweck
    • Walter GoetzBrigitte GareissAndreas DeckersPetra Baierweck
    • C08K3/34C08G69/02C08G69/26C08G69/36C08K5/03C08K5/51C08K7/02C08L9/00C08L21/00C08L77/00C08L77/02C08L77/04C08L77/06
    • C08L77/00C08G69/02C08G69/26C08G69/36
    • Molding materials are composed ofA) from 40 to 100% by weight, based on the total weight of the molding material, of a polyamide mixture based ona.sub.1) from 5 to 30% by weight, based on the total weight of the polyamide mixture, of at least one homo- or copolyamide that contains olefinic double bonds and comprises.alpha.) from 40 to 100 mol %, based on homo- or copolyamide, of at least one monomer that contains at least one olefinic double bond (monomers .alpha.) from the group of the.alpha..sub.1) olefinically unsaturated lactams,.alpha..sub.2) olefinically unsaturated aminocarboxylic acids,.alpha..sub.3) olefinically unsaturated dicarboxylic acids,.alpha..sub.4) olefinically unsaturated diamines, and.beta.) from 0 to 60 mol %, based on homo- or copolyamide, of at least one monomer that contains no olefinic double bonds (monomers .beta.) from the group of the.beta..sub.1) lactams.beta..sub.2) aminocarboxylic acids,.beta..sub.3) dicarboxylic acids,.beta..sub.4) diamines, anda.sub.2) from 70 to 95% by weight based, on the total weight of the polyamide mixture, of at least one polyamide that contains no olefinic double bonds,B) from 0 to 35% by weight, based on the total weight of the molding material, of an impact-modifying rubber,C) from 0 to 50% by weight, based on the total weight of the molding material, of a filler or reinforcing agent,D) from 0 to 20% by weight, based on the total weight of the molding material, of a flame retardant, and, if desired,E) further additives and aids.
    • 成型材料由下列组成:A)40-100重量%,基于模塑材料的总重量,基于a1)5-30重量%的聚酰胺混合物,基于聚酰胺混合物的总重量 的至少一种含有烯属双键的均聚或共聚酰胺,并且包含α)基于均聚或共聚酰胺的40-100mol%的至少一种含有至少一个烯属双键(单体α)的单体 基于均聚或共聚酰胺的α1)烯属不饱和内酰胺,α2)烯属不饱和氨基羧酸,α3)烯属不饱和二羧酸,α4)烯属不饱和二胺和β)0至60摩尔% 的至少一种不含来自β1)内酰胺β2)氨基羧酸,β3)二羧酸,β4)二胺的烯属双键(单体β)的单体,和a2)70至95% 以总重量计 聚酰胺混合物的至少一种不含烯属双键的聚酰胺,B)0至35重量%,基于成型材料的总重量,冲击改性橡胶,C)为0至 50重量%,基于成型材料的总重量,填料或增强剂,D)0至20重量%,基于成型材料的总重量,阻燃剂,以及如果 所需的,E)其他添加剂和助剂。
    • 5. 发明授权
    • Thermoplastic molding materials based on polyamide blends
    • 基于聚酰胺混合物的热塑性模塑材料
    • US5071924A
    • 1991-12-10
    • US376502
    • 1989-07-07
    • Eckhard M. KochGerhard HeinzWalter GoetzGunter Pipper
    • Eckhard M. KochGerhard HeinzWalter GoetzGunter Pipper
    • C08L21/00C08L77/00
    • C08L77/00
    • Thermoplastic molding materials contain, as essential components,A) 20-98% by weight of a partly aromatic amide copolymer essentially consisting ofa.sub.1) 40-90% by weight of units derived from terephthalic acid and hexamethylenediamine,a.sub.2) 0-50% by weight of units derived from .epsilon.-caprolactam anda.sub.3) 0-60% by weight of units derived from adipic acid and hexamethylenediamine,components a.sub.2) and/or a.sub.3) accounting altogether for not less than 10% by weight of the total number of units,B) 2-80% by weight of a partly crystalline thermoplastic polyamide which differs from A)and furthermoreC) 0-50% by weight of an elastomeric impact modifier andD) 0-60% by weight of fibrous or particulate fillers or a mixture of these.
    • 热塑性成型材料含有A)20-98重量%的部分芳族酰胺共聚物,其基本上由a1)40-90重量%的衍生自对苯二甲酸和六亚甲基二胺的单元组成,a2)0-50% 衍生自ε-己内酰胺的单元的重量和a3)0-60重量%衍生自己二酸和六亚甲基二胺的单元,组分a2)和/或a3)总计占总单元重量的10重量% B)2-80重量%的不同于A)的部分结晶的热塑性聚酰胺,此外C)0-50重量%的弹性体抗冲改性剂和D)0-60重量%的纤维或颗粒填料或 这些的混合物。