Polyamides having a low water absorptivity
    14.
    发明授权
    Polyamides having a low water absorptivity 失效
    吸水率低的聚酰胺

    公开(公告)号:US5410015A

    公开(公告)日:1995-04-25

    申请号:US86461

    申请日:1993-07-06

    IPC分类号: C08K5/13 C08G69/28

    CPC分类号: C08K5/13

    摘要: Thermoplastic polyamide molding materials contain, as essential components,A) from 39 to 99% by weight of a polyamide or a mixture of different polyamides andB) from 1 to 30% by weight of a phenol of the general formula IR.sub.3 E I and E is a trivalent, aliphatic, C.sub.1 -C.sub.10 -hydrocarbon radical, triazinetriyl or a trivalent C.sub.6 - or C.sub.10 -aryl radical, andc) from 0 to 60% by weight, based on the amount of polyamide, of fibrous or particulate fillers or a mixture thereof.

    摘要翻译: 热塑性聚酰胺成型材料作为必要成分含有A)39〜99重量%的聚酰胺或不同聚酰胺的混合物,B)1〜30重量%的通式I R3EI的苯酚和E是 三价,脂族,C 1 -C 10 - 烃基,三嗪三基或三价C 6 - 或C 10 - 芳基,和c)基于聚酰胺的量,0至60重量%的纤维或颗粒填料或混合物 其中。

    Thermoplastic molding compositions based on polyamide
    15.
    发明授权
    Thermoplastic molding compositions based on polyamide 失效
    基于聚酰胺的热塑性成型组合物

    公开(公告)号:US5200450A

    公开(公告)日:1993-04-06

    申请号:US769431

    申请日:1991-10-01

    CPC分类号: C08L71/126 C08K5/07 C08L77/00

    摘要: The thermoplastic molding compositions contain as essential componentsA) from 96 to 99.9% by weight of at least one polyamide,B) from 0.1 to 4% by weight of one or more dialkyl ketones of the general formula I ##STR1## where R and R' are each alkyl of from 10 to 30 carbon atoms, and also, based on the sum total of A) and B),C) from 0 to 40% by weight of an impact modifying rubber,D) from 0 to 60% by weight of fibrous or particulate fillers or a mixture thereof, andE) from 0 to 120% by weight of a modified polyphenylene ether.

    摘要翻译: 热塑性模塑组合物含有作为必要成分的A)96-99.9%(重量)的至少一种聚酰胺,B)0.1-4%(重量)一种或多种通式I的二烷基酮,其中R和 R'分别为10-30个碳原子的烷基,并且还基于A)和B)的总和,C)0至40重量%的抗冲击改性橡胶,D)0至60重量% 的纤维或颗粒填料或其混合物,和E)0至120重量%的改性聚苯醚。

    Surface treatment of polyamide moldings
    16.
    发明授权
    Surface treatment of polyamide moldings 失效
    聚酰胺模制品的表面处理

    公开(公告)号:US5192477A

    公开(公告)日:1993-03-09

    申请号:US758721

    申请日:1991-09-09

    摘要: A process for the surface treatment of moldings based on polyamides by treatment with an aqueous acid, wherein the aqueous acid used is a 30-85% strength solution of H.sub.3 PO.sub.4 yields moldings which are readily metallizable. Metallized moldings obtained by this process are useful in the production of automobiles and in the electronics industry.

    摘要翻译: 一种通过用酸水溶液处理基于聚酰胺的模制品表面处理的方法,其中所用的含水酸为H 3 PO 4的30-85%强度溶液,产生容易镀金的模制品。 通过该方法获得的金属化模制品可用于生产汽车和电子工业。

    Thermoplastic molding compositions based on polyamide mixtures
    17.
    发明授权
    Thermoplastic molding compositions based on polyamide mixtures 失效
    基于聚酰胺混合物的热塑性模塑组合物

    公开(公告)号:US5030689A

    公开(公告)日:1991-07-09

    申请号:US260039

    申请日:1988-10-20

    IPC分类号: C08L77/00

    CPC分类号: C08L77/00

    摘要: Thermoplastic molding compositions contain as essential components(A) 10-89% by weight of a copolyamide of(A.sub.1) 80-99% by weight of recurring units derived from adipic acid and hexamethylenediamine and(A.sub.2) 1-20% by weight of units derived from .epsilon.-caprolactam,(B) 10-80% by weight of polyhexamethyleneadipamide,(C) 1-40% by weight of an impact-modifying rubber and in addition(D) 0-60% by weight of a fibrous or particulate filler or a mixture thereof.

    摘要翻译: 热塑性成型组合物含有(A)10-89重量%的(A1)共聚酰胺80-99重量%的由己二酸和六亚甲基二胺衍生的重复单元和(A2)1-20重量%的单元 衍生自ε-己内酰胺,(B)10-80重量%的聚六亚甲基己二酰胺,(C)1-40重量%的冲击改性橡胶,另外(D)为0-60重量%的纤维或颗粒 填料或其混合物。

    Wholly aromatic thermotropic polyesters
    19.
    发明授权
    Wholly aromatic thermotropic polyesters 失效
    全芳族热致聚酯

    公开(公告)号:US4764582A

    公开(公告)日:1988-08-16

    申请号:US084165

    申请日:1987-08-11

    摘要: Wholly aromatic thermotropic polyesters are based on(A) from 25 to 60 mol % of a mixture of(A.sub.1) 4-hydroxybenzoic acid and(A.sub.2) 3-hydroxybenzoic acid, 4-aminobenzoic acid and/or 3-aminobenzoic acid or their chlorine, bromine, C.sub.1 -C.sub.8 -alkyl or C.sub.1 -C.sub.8 -alkoxy derivatives substituted in the nucleus, the molar ratio of A.sub.1 to A.sub.2 being from 5:1 to 41:1,(B) from 20 to 37.5 mol % of a mixture of(B.sub.1) terephthalic acid and(B.sub.2) isophthalic acid, the molar ratio of B.sub.1 to B.sub.2 being from 1.04:1 to 19:1, and(C) from 20 to 37.5 mol % of a mixture of(C.sub.1) hydroquinone and(C.sub.2) 4,4'-dihydroxydiphenyl, the molar ratio of C.sub.1 to C.sub.2 being from 0.1:1 to 2.67:1 and the molar ratio of B to C being from 0.9:1 to 1.1:1.

    摘要翻译: 全芳族热致聚酯基于(A)25至60摩尔%的(A1)4-羟基苯甲酸和(A2)3-羟基苯甲酸,4-氨基苯甲酸和/或3-氨基苯甲酸或其氯的混合物 ,在核中取代的溴,C 1 -C 8 - 烷基或C 1 -C 8 - 烷氧基衍生物,A1与A2的摩尔比为5:1至41:1,(B)为20至37.5摩尔% (B1)对苯二甲酸和(B2)间苯二甲酸,B1与B2的摩尔比为1.04:1至19:1,(C)20至37.5摩尔%的(C1)氢醌与(C2 )4,4'-二羟基二苯基,C1与C2的摩尔比为0.1:1至2.67:1,B与C的摩尔比为0.9:1至1.1:1。

    Fully aromatic thermotropic polyesters
    20.
    发明授权
    Fully aromatic thermotropic polyesters 失效
    全芳香族热致聚酯

    公开(公告)号:US4751128A

    公开(公告)日:1988-06-14

    申请号:US79995

    申请日:1987-07-31

    CPC分类号: C08G63/605 C09K19/3809

    摘要: Fully aromatic themotropic polyesters are based on(A) from 30 to 60 mol % of 4-hydroxybenzoic acid,(B) from 20 to 35 mol % of a mixture of(B.sub.1) terephthalic acid and(B.sub.2) isophthalic acid, the molar ratio of B.sub.1 to B.sub.2 being from 1.04:1 to 19:1, and(C) from 20 to 35 mol % of a mixture of(C.sub.1) hydroquinone,(C.sub.2) 4,4'-dihydroxydiphenyl and(C.sub.3) from 0 to 5 mol % of a dihydroxy compound of the general formula I ##STR1## where R and R' are each C.sub.1 -C.sub.4 -alkyl, halogen or aryl, n is 1, 2 or 3 and m is 0 or 1, the molar ratio of C.sub.1 to C.sub.2 being from 0.1:1 to 2.67:1 and the molar ratio of B to C being from 0.9:1 to 1.1:1.

    摘要翻译: 全芳族各向同性聚酯基于(A)30〜60摩尔%的4-羟基苯甲酸,(B)为20〜35摩尔%的(B1)对苯二甲酸和(B2)间苯二甲酸的混合物,摩尔比 (C1)氢醌,(C2)4,4'-二羟基联苯和(C3)0-5的混合物的(C)为20〜35摩尔% mol%的通式I的二羟基化合物(I)其中R和R'各自为C 1 -C 4 - 烷基,卤素或芳基,n为1,2或3,m为0或1, C1与C2的比例为0.1:1至2.67:1,B与C的摩尔比为0.9:1至1.1:1。