Thermoplastic molding material
    22.
    发明授权
    Thermoplastic molding material 失效
    热塑性成型材料

    公开(公告)号:US4788253A

    公开(公告)日:1988-11-29

    申请号:US627

    申请日:1987-04-17

    摘要: The invention relates to a thermoplastic molding material of an elastomeric polymer A, a shell B grafted to the polymer A, and a copolymer C as rigid matrix. The amount of polymer A is 1 to 25 percent by weight based on the weight of A+B+C. It has a glass transition temperature, Tg, of less than 0.degree. C. and an average particle size of 200 to 750 nanometers (d.sub.50 value of the integral mass distribution) and is composed of: 50 to 99.9 percent by weight of at least one alkylacrylate with 1 to 8 carbon atoms in the alkyl radical and 0.1 to 5 percent by weight of a polyfunctional monomer which has a crosslinking action. Grafting shell B represents 5 to 40 percent by weight based on A+B+C and is composed of at least one of the monomers of the group of(b.sub.1) vinylaromatic monomers, and(b.sub.2) the ethylenically unsaturated monomers.Grafting shell B is prepared in two stages with 30 to 70 percent by weight of the monomers b.sub.1 being used in the first stage, and 30 to 70 percent by weight of a mixture of monomers b.sub.1 and b.sub.2 in a weight ratio of 90:10 to 60:40 being used in the second stage.Copolymer C is added in an amount of 35 to 94 percent by weight based on A+B+C and consists of a vinylaromatic monomer and an ethylenically unsaturated monomer.The molding material may contain commonly used additives in effective amounts and is used for the preparation of molded parts.

    摘要翻译: 本发明涉及弹性体聚合物A的热塑性模塑材料,接枝到聚合物A上的壳B和作为刚性基质的共聚物C. 基于A + B + C的重量,聚合物A的量为1〜25重量%。 玻璃化转变温度Tg小于0℃,平均粒度为200〜750纳米(d50整体质量分布值),由以下组成:50〜99.9重量%的至少1个 在烷基中具有1至8个碳原子的丙烯酸烷基酯和具有交联作用的多官能单体0.1至5重量%。 接枝壳B以A + B + C为5〜40重量%,由(b1)乙烯基芳族单体组中的至少一种单体和(b2)烯属不饱和单体构成。 接枝壳B分两步制备,在第一阶段使用的单体b1为30〜70重量%,单体b1和b2的混合物的重量比为90:10〜30重量%,重量比为90:10〜 60:40在第二阶段使用。 共聚物C的添加量为35〜94重量%,基于A + B + C,由乙烯基芳族单体和烯属不饱和单体构成。 成型材料可以含有有效量的常用添加剂,并用于制备模制件。

    Poly (phenylene ethers) and their preparation
    23.
    发明授权
    Poly (phenylene ethers) and their preparation 失效
    聚(苯醚)及其制备方法

    公开(公告)号:US4743661A

    公开(公告)日:1988-05-10

    申请号:US892473

    申请日:1986-08-05

    IPC分类号: C08G65/48 C08F283/08

    CPC分类号: C08G65/485

    摘要: High molecular weight polyphenylene ethers are prepared from monohydric phenols by a conventional polycondensation, by a method in which the resulting polymers are reacted with an epoxide of the general formula (I) ##STR1## where R.sup.1 and R.sup.2 can be identical or different and are each alkyl, cycloalkyl, aryl, aryloxy, alkoxy or carboxyalkyl, each of which may contain a further epoxide group, or C.sub.3 -C.sub.20 -alkyl-substituted amino, or R.sup.1 is hydrogen and R.sup.2 is one of the above groups, or R.sup.1 and R.sup.2 form part of a cycloalkyl ring.

    摘要翻译: 通过常规缩聚由一元酚制备高分子量聚苯醚,通过其中所得聚合物与通式(I)的环氧化物(I)反应的方法,其中R 1和R 2可以相同或不同 并且各自为烷基,环烷基,芳基,芳氧基,烷氧基或羧基烷基,其中每一个可以含有另外的环氧基团或C 3 -C 20烷基取代的氨基,或者R 1为氢,R 2为上述基团之一,或R 1 并且R 2形成环烷基环的一部分。

    Wholly aromatic polyesters and preparation thereof
    24.
    发明授权
    Wholly aromatic polyesters and preparation thereof 失效
    全芳香族聚酯及其制备方法

    公开(公告)号:US4728715A

    公开(公告)日:1988-03-01

    申请号:US937717

    申请日:1986-12-04

    CPC分类号: C08G63/605 C09K19/3809

    摘要: Wholly aromatic polyesters which form a liquid-crystalline fiber-forming melt below 300.degree. C. and are composed of(a) from 10 to 25 mol % of repeat units of the formula I ##STR1## (b) from 5 to 15 mol % of repeat units of the formula II ##STR2## (c) from 5 to 15 mol % of repeat units of the formula III ##STR3## (d) not less than 10 mol % of repeat units of the formula IV ##STR4## and (e) a molar amount corresponding to the total amount of (a), (b) and (c) of repeat units of the formula V ##STR5## the molar proportions of components a, b, c, d and e adding up to 100 mol % in each case, the preparation thereof and fibers, films, moldings and surface coatings prepared therefrom.

    摘要翻译: 在低于300℃下形成液晶纤维形成熔体的全芳族聚酯,由(a)10-25摩尔%的式I(b)的重复单元组成,其为5至15摩尔 式II II(c)的重复单元的百分比5至15摩尔%的式III的重复单元III(d)不少于10摩尔%的式IV的重复单元

    Flameproofed thermoplastic molding material comprising a novolak resin
    25.
    发明授权
    Flameproofed thermoplastic molding material comprising a novolak resin 失效
    包含酚醛清漆树脂的防火热塑性成型材料

    公开(公告)号:US4618636A

    公开(公告)日:1986-10-21

    申请号:US692621

    申请日:1985-01-18

    CPC分类号: C08K13/02 C08L25/00 C08L61/04

    摘要: A flameproofed thermoplastic molding material consists ofA. a thermoplastic resin containing a vinylaromatic monomerand furthermore containsB. from 0 to 100 parts by weight of an elastomer having a glass transition temperature Tg 0.degree. C., as an impact modifier,C. from 2 to 50 parts by weight of a halogen-containing organic compound (flameproofing agent),D. from 0.5 to 20 parts by weight of a compound containing a metal or non-metal (synergistic agent) andE. from 5 to 50 parts by weight of a novolak (phenol/aldehyde resin).The novolak is obtained from an aldehyde of the formula (I)R.sup.1 --CHO (I)where R.sup.1 is H, C.sub.1 -C.sub.10 -alkyl, cycloalkyl, C.sub.6 -C.sub.12 -aryl or .omega.-aryl-C.sub.1 -C.sub.3 -alkyl, and a mixture of phenols, and this mixture contains two or more monosubstituted phenols and the substituents can be alkyl of 1 to 8 carbon atoms or CN.The molding material is used for the production of flameproofed moldings.

    摘要翻译: 一种防火热塑性成型材料由A.含有乙烯基芳族单体的热塑性树脂组成,并且还含有0-100重量份玻璃化转变温度Tg 0℃的弹性体,作为抗冲改性剂的C.来自 2至50重量份的含卤素的有机化合物(防火剂),D。0.5至20重量份的含有金属或非金属的化合物(增效剂)和E。5至50份 酚醛清漆(苯酚/醛树脂)的重量。 酚醛清漆得自式(Ⅰ)R1-CHO(Ⅰ)的醛,其中R1是H,C1-C10-烷基,环烷基,C6-C12-芳基或ω-芳基-C1-C3-烷基,和 酚的混合物,并且该混合物含有两个或更多个单取代的酚,并且取代基可以是1至8个碳原子的烷基或CN。 成型材料用于生产防火模制品。

    Stabilization of polyphenylene ether solutions
    27.
    发明授权
    Stabilization of polyphenylene ether solutions 失效
    聚苯醚溶液的稳定化

    公开(公告)号:US4496679A

    公开(公告)日:1985-01-29

    申请号:US531656

    申请日:1983-09-13

    IPC分类号: C08G65/46 C08L71/04

    CPC分类号: C08G65/46

    摘要: A process for the preparation of high molecular weight polyphenylene ethers from alkyl-substituted monohydric phenols by an oxidative coupling reaction with oxygen in the presence of a catalyst complex of a copper salt and an organic amine, subsequent stopping of the reaction and removal of the metal component of the catalyst by addition of chelating and/or salt-forming agents, wherein the polymer solution is treated with a compound having the general structure: ##STR1## where R.sup.2 and R.sup.3 can be identical or different and each is OH, NH.sub.2, NHR.sup.5, where R.sup.5 is alkyl or cycloalkyl, or SH, and where R.sup.1 and R.sup.4 are identical or different, being hydrogen, alkyl, cycloalkyl, aryl, carbonyl, carboxyl, carboxyalkyl or nitrile, and can be linked to form a ring, advantageously in an amount of from 0.1 to 100 mmoles and advantageously in from 1 to 20% strength aqueous solutions.

    摘要翻译: 在铜盐和有机胺的催化剂络合物存在下,通过与氧的氧化偶联反应从烷基取代的一元酚制备高分子量聚苯醚的方法,随后停止反应和除去金属 通过加入螯合和/或成盐剂的催化剂组分,其中聚合物溶液用具有以下通式结构的化合物处理:其中R 2和R 3可以相同或不同,并且各自为OH,NH 2,NHR 5 ,其中R 5是烷基或环烷基或SH,并且其中R 1和R 4相同或不同,是氢,烷基,环烷基,芳基,羰基,羧基,羧基烷基或腈,并且可以连接形成环,有利地在 量为0.1至100毫摩尔,有利地为1至20%强度的水溶液。

    Thermoplastic molding materials based on nylons and styrene copolymers
    29.
    发明授权
    Thermoplastic molding materials based on nylons and styrene copolymers 失效
    基于尼龙和苯乙烯共聚物的热塑性成型材料

    公开(公告)号:US4965318A

    公开(公告)日:1990-10-23

    申请号:US218977

    申请日:1988-07-14

    CPC分类号: C08L25/04 C08L77/00

    摘要: Thermoplastic molding materials contain(A) from 5 to 95% by weight of a nylon and(B) from 5 to 95% by weight of a copolymer composed of(B.sub.1) from 50 to 99.9% by weight of a styrene of the general formula I ##STR1## where R.sup.1 is alkyl or 1 to 4 carbon atoms or hydrogen, R.sup.2 is alkyl of 1 to 6 carbon atoms or halogen and m is 0, 1, 2 or 3,(B.sub.2) from 0.1 to 30% by weight of a monomer containing epoxide groups (II) ##STR2## or of a monomer containing lactam groups (III) ##STR3## or of a monomer containing halobenzyl groups (IV) ##STR4## where R.sup.3 is a divalent, branched or straight-chain alkyl group of 2 to 15 carbon atoms, R.sup.4 is alkyl of not more than 6 carbon atoms, X is halogen, n is 1, 2 or 3 and r is 0, 1, 2 or 3, and(B.sub.3) from 0 to 48% by weight of further comonomers.

    摘要翻译: 热塑性成型材料含有(A)5至95重量%的尼龙和(B)5至95重量%的由(B1)50-99.9重量%的通式 (I)其中R1是烷基或1-4个碳原子或氢,R2是1至6个碳原子的烷基或卤素,m是0,1,2或3,(B2)0.1-30% (II)或含有内酰胺基团(III)的单体(III)或含有卤代苄基(IV)的单体的单体(Ⅳ)其中 R3是2至15个碳原子的二价,支链或直链烷基,R4是不大于6个碳原子的烷基,X是卤素,n是1,2或3,r是0,1,2或 3和(B3)0至48重量%的另外的共聚单体。