Continuous hydrolytic preparation of polylactams
    1.
    发明授权
    Continuous hydrolytic preparation of polylactams 失效
    多聚内酰胺的连续水解制备

    公开(公告)号:US4539391A

    公开(公告)日:1985-09-03

    申请号:US581711

    申请日:1984-02-21

    IPC分类号: C08G69/00 C08G69/16

    CPC分类号: C08G69/16

    摘要: Polylactams are prepared continuously by a process in which a lactam containing from 1 to 25% by weight of water is heated in a prepolymerization zone under a pressure of from 1 to 10 bar at from 220.degree. to 280.degree. C. for 1 to 10 minutes, water being vaporized at the same time, with the proviso that the degree of conversion on emergence from the prepolymerization zone is not less than 85%, the prepolymer and the vapor are separated continuously, and the prepolymer is passed into a polymerization zone and is polymerized further under superatmospheric pressure at from 240.degree. to 290.degree. C.

    摘要翻译: 连续制备聚内酰胺,其中将含有1至25重量%的水的内酰胺在预聚合区中在220-280℃的1至10巴的压力下加热1至10分钟 ,同时蒸发水,条件是预聚合区出现的转化度不低于85%,预聚物和蒸气连续分离,预聚物进入聚合区,并且是 在240〜290℃的超大气压下进一步聚合。

    Continuous preparation of nylon from aqueous salt solution in
precondensation zone having baffles
    2.
    发明授权
    Continuous preparation of nylon from aqueous salt solution in precondensation zone having baffles 失效
    从具有挡板的预缩合区域的盐水溶液中连续制备尼龙

    公开(公告)号:US4540772A

    公开(公告)日:1985-09-10

    申请号:US620837

    申请日:1984-06-15

    CPC分类号: C08G69/28

    摘要: Nylons are prepared by a continuous process in which, in a precondensation zone, an aqueous solution of a salt of a dicarboxylic acid of 6 to 18 carbon atoms and a diamine of 6 to 18 carbon atoms is heated to 250.degree.-300.degree. C. under superatmospheric pressure, with simultaneous vaporization of water and formation of a prepolymer, the prepolymer and the vapor are separated, and the former is fed into a polycondensation zone and condensed under superatmospheric pressure of from 1 to 10 bar and at from 250.degree. to 300.degree. C., wherein the aqueous salt solution is condensed under superatomspheric pressure of from 1 to 10 bar in the first third of the tubular precondensation zone provided with baffles, until the degree of conversion is not less than 93%, and the prepolymer and the vapor phase are brought into intimate contact with one another in the remaining two thirds of the precondensation zone.

    摘要翻译: 尼龙通过连续方法制备,其中在预缩合区中将6至18个碳原子的二羧酸盐和6至18个碳原子的二胺的水溶液加热至250-300℃。 在超大气压下,同时蒸发水和形成预聚物,将预聚物和蒸气分离,将前者加入缩聚区,并在1至10巴和250至300的超大气压下冷凝 ℃,其中盐水溶液在具有挡板的管状预缩合区的第一三分之一中在1至10巴的超大体压力下冷凝,直到转化率不低于93%,并且预聚物和 气相在预缩合区的剩余三分之二处彼此紧密接触。

    Preparation of high-impact nylon molding materials
    5.
    发明授权
    Preparation of high-impact nylon molding materials 失效
    高冲击尼龙成型材料的制备

    公开(公告)号:US4574131A

    公开(公告)日:1986-03-04

    申请号:US645813

    申请日:1984-08-30

    CPC分类号: C08L77/00

    摘要: A process for the preparation of high-impact nylon molding materials, containing 30-88% by weight of a thermoplastic nylon, 10-50% by weight of an organosilane-coated silicate reinforcing filler, 0.1-5% by weight of a polyurethane ionomer, 2-30% by weight of a carboxyl-containing thermoplastic elastomer and, where appropriate, effective amounts of conventional additives, by mixing the silicate filler, coated with an organosilane and a polyurethane ionomer, with the thermoplastic elastomer and the nylon at above the melting point of the nylon, wherein, in a first stage, the silicate filler coated with an organosilane and a polyurethane ionomer is mixed with the nylon at above the melting point of the latter, and in a second stage the thermoplastic elastomer is finely dispersed in the filler-containing nylon at above the melting point of the latter.

    摘要翻译: 一种用于制备高冲击尼龙成型材料的方法,其包含30-88重量%的热塑性尼龙,10-50重量%的有机硅烷涂覆的硅酸盐增强填料,0.1-5重量%的聚氨酯离聚物 ,2-30重量%的含羧基的热塑性弹性体,并且在合适的情况下,通过将涂覆有机硅烷和聚氨酯离子交联聚合物的硅酸盐填料与热塑性弹性体和尼龙混合,在适当的情况下, 尼龙的熔点,其中,在第一阶段中,涂覆有有机硅烷和聚氨酯离子交联聚合物的硅酸盐填料在尼龙的熔点之上与尼龙混合,第二阶段将热塑性弹性体细分散在 含有填料的尼龙在其熔点以上。

    Thermoplastic molding materials based on nylons and ethylene copolymers
    6.
    发明授权
    Thermoplastic molding materials based on nylons and ethylene copolymers 失效
    基于尼龙和乙烯共聚物的热塑性成型材料

    公开(公告)号:US4847330A

    公开(公告)日:1989-07-11

    申请号:US135262

    申请日:1987-12-21

    摘要: Thermoplastic molding materials contain, as essential components,(A) from 40 to 95% by weight of a nylon and(B) from 5 to 60% by weight of a noncrosslinked copolymer based on(a) from 55 to 79.5% by weight of ethylene,(b) from 20 to 40% by weight of one or more primary or secondary C.sub.2 -C.sub.8 -alkyl esters of acrylic acid or methacrylic acid,(c) from 0.49 to 8% by weight of a monomer having an acid functional group or a latent acid functional group, or of an epoxy-containing monomer of an ethylenically unsaturated monocarboxylic acid, and(d) from 0.01 to 2% by weight of an ethylenically unsaturated dicarboxylic acid or of an anhydride of such an acid.

    摘要翻译: 热塑性成型材料含有(A)40至95重量%的尼龙和(B)5至60重量%的非交联共聚物,其基于(a)55至79.5重量%的 乙烯,(b)20至40重量%的一种或多种丙烯酸或甲基丙烯酸的一级或多级C 2 -C 8 - 烷基酯,(c)0.49至8重量%的具有酸官能团的单体 或潜在酸官能团,或烯属不饱和一元羧酸的含环氧基单体,和(d)0.01至2重量%的烯键式不饱和二羧酸或这种酸的酸酐。

    Flameproofed filled nylon molding materials
    7.
    发明授权
    Flameproofed filled nylon molding materials 失效
    防火填充尼龙成型材料

    公开(公告)号:US4314927A

    公开(公告)日:1982-02-09

    申请号:US153705

    申请日:1980-05-27

    CPC分类号: C08K3/02 C08K13/02

    摘要: A flameproofed thermoplastic molding material which possesses good long-term stability and contains 100 parts of a nylon, 10-100 parts of an inorganic filler, 1-12 parts of red phosphorus and 1-40 parts of melamine cyanurate.The molding materials may be used to produce moldings, especially for electrical articles.

    摘要翻译: 一种具有良好长期稳定性并含有100份尼龙,10-100份无机填料,1-12份红磷和1-40份氰尿酸三聚氰胺的防火热塑性成型材料。 成型材料可用于生产模制品,特别是用于电气制品。

    Blends of styrene-acrylonitrile polymer, styrene-methyl
methacrylate-maleic anhydride terpolymer and glass filler
    9.
    发明授权
    Blends of styrene-acrylonitrile polymer, styrene-methyl methacrylate-maleic anhydride terpolymer and glass filler 失效
    苯乙烯 - 丙烯腈聚合物,苯乙烯 - 甲基丙烯酸甲酯 - 马来酸酐三元共聚物和玻璃填料的共混物

    公开(公告)号:US5304591A

    公开(公告)日:1994-04-19

    申请号:US876166

    申请日:1992-04-30

    CPC分类号: C08K3/40 C08L25/12 C08L51/04

    摘要: A thermoplastic molding composition composed of, based on the total of A, B, C and D,40-95% by weight of a copolymer A of, based on A,90-95% by weight of styrene and/or its derivatives and 10-50% by weight of acrylonitrile, optionally up to 50% by weight of a graft copolymer B of 20-80% by weight of a monomer mixture of either styrene/acrylonitrile in the ration from 9:1 to 4:6 or styrene/acrylonitrile/methylacrylate in the ration from 19:1:1 to 8:6:6 onto 80-20% by weight of an elastomer based on butadiene or acrylic ester as grafting base, graft copolymerization being effected in either emulsion or solution, 1-50% by weight of a reinforcing glass fiber material C and 0.1-50% by weight of a terpolymer D of styrene, methyl methacrylate and maleic anhydride composed of 1-15% by weight each of styrene and maleic anhydride and a styrene/maleic anhydride ratio of from 5:1 to 1:5, and methyl methacrylate.

    摘要翻译: 基于A,B,C和D的总和,40-95重量%的基于A的共聚物A,基于90-95重量%的苯乙烯和/或其衍生物的热塑性模塑组合物和 10-50重量%的丙烯腈,任选最多50重量%的接枝共聚物B,其中20-80重量%的苯乙烯/丙烯腈在9:1至4:6的比例中的单体混合物或苯乙烯 /丙烯腈/甲基丙烯酸酯的比例为19:1:1至8:6:6的80-20重量%的基于丁二烯或丙烯酸酯作为接枝基的弹性体,接枝共聚在乳液或溶液中进行,1 -50重量%的增强玻璃纤维材料C和0.1-50重量%的苯乙烯,甲基丙烯酸甲酯和马来酸酐的三元共聚物D,其组成为苯乙烯和马来酸酐的1-15重量%,苯乙烯/马来酸酐 酸酐比为5:1至1:5,和甲基丙烯酸甲酯。