Partially crosslinked composition comprising polymers of propylene and
of ethylene
    1.
    发明授权
    Partially crosslinked composition comprising polymers of propylene and of ethylene 失效
    部分交联的组合物包含丙烯和乙烯的聚合物

    公开(公告)号:US5384369A

    公开(公告)日:1995-01-24

    申请号:US238791

    申请日:1994-05-06

    IPC分类号: C08F255/02 C08L23/26

    CPC分类号: C08F255/02

    摘要: A partially crosslinked polymer composition comprisinga) a polymer comprising from 25 to 95% by weight of polypropylene and from 5 to 75% by weight of a propylene copolymer with copolymerized C.sub.2 -C.sub.10 -alk-1-enes, the comonomer content being from 1 to 45% by weight, based on the total polymer,b) a random ethylene copolymer containing from 5 to 20% by weight of copolymerized C.sub.3 -C.sub.10 -alk-1-enes and having a density at room temperature of from 0.89 to 0.925 g/cm.sup.3, andc) an organosilane compound of the formula (I)A.sub.4-n SiR.sub.n (I) where A are identical or different acrylates or methacrylates or vinyl groups, R are identical or different C.sub.1 -C.sub.8 -alkoxy or C.sub.1 -C.sub.8 -acetoxy groups, and n is 1, 2 or 3,can be obtained by reacting a polymer mixture of the polymer a) and the random ethylene copolymer b) with the organosilane compound c) in the presence of a free-radical initiator and in the presence of a condensation catalyst at from 180.degree. to 280.degree. C., at from 1 to 100 bar and at a mean residence time of the reaction mixture of from 0.2 to 10 minutes.

    摘要翻译: 一种部分交联的聚合物组合物,其包含a)包含25至95重量%的聚丙烯和5至75重量%的具有共聚的C 2 -C 10 - 烷-1-烯的丙烯共聚物的聚合物,共聚单体含量为1 至45重量%,b)含有5至20重量%的共聚的C 3 -C 10 - 烷-1-烯并且在室温下的密度为0.89至0.925g的无规乙烯共聚物 cm 3,和c)式(I)的有机硅烷化合物A4-nSiRn(I)其中A是相同或不同的丙烯酸酯或甲基丙烯酸酯或乙烯基,R是相同或不同的C 1 -C 8 - 烷氧基或C 1 -C 8 - 乙酰氧基 基团,n为1,2或3,可以通过在自由基引发剂存在下使聚合物a)和无规乙烯共聚物b)的聚合物混合物与有机硅烷化合物c) 的缩合催化剂在180-280℃,1-100巴和平均停留时间下进行 的反应混合物为0.2至10分钟。

    Modified carboxyl-containing polyphenylene ether resins
    2.
    发明授权
    Modified carboxyl-containing polyphenylene ether resins 失效
    改性含羧基的聚苯醚树脂

    公开(公告)号:US4751268A

    公开(公告)日:1988-06-14

    申请号:US929427

    申请日:1986-11-12

    IPC分类号: C08F283/08 C08L71/04

    CPC分类号: C08F283/08 Y10S525/905

    摘要: A process for the preparation of modified polyphenylene ether resins by grafting fumaric acid, preferably at from 270.degree. to 350.degree. C., onto polyphenylene ethers which are mixed with vinylaromatic polymers, and modified polyphenylene ether resins consisting of from 4.95 to 95 parts by weight of polyphenylene ether, from 95 to 4.95 parts by weight of vinylaromatic polymer and from 0.05 to 10 parts by weight of grafted fumaric acid.

    摘要翻译: 通过将富马酸(优选在270℃至350℃)接枝到与乙烯基芳族聚合物混合的聚苯醚上制备改性聚苯醚树脂的方法,以及由4.95至95重量份组成的改性聚苯醚树脂 的聚苯醚,95至4.95重量份的乙烯基芳族聚合物和0.05至10重量份的接枝的富马酸。

    Preparation of impact-resistant thermoplastic molding
    4.
    发明授权
    Preparation of impact-resistant thermoplastic molding 失效
    抗冲击热塑性塑料的制备

    公开(公告)号:US4780509A

    公开(公告)日:1988-10-25

    申请号:US43492

    申请日:1987-04-28

    IPC分类号: C08F285/00 C08F257/02

    CPC分类号: C08F285/00

    摘要: Impact-resistant thermoplastic molding materials based on a resin A containing one or more vinylaromatic monomers are prepared by reacting the resin A (component A) with one or more monomers from the group consisting of the .alpha.,.beta.-unsaturated dicarbonyl compounds (component B) by a process in which the reaction is carried out in a melt of A in the presence of B and in the absence of initiators, and the resin A used is one which contains from 3 to 50% by weight, based on A, of one or more elastomers a.sub.1 (rubber) and has been prepared in a conventional manner by polymerizing one or more vinylaromatic monomers of 8 to 12 carbon atoms in the presence of the elastomer a.sub.1 are used for the production of moldings.

    摘要翻译: 基于含有一种或多种乙烯基芳族单体的树脂A的耐冲击热塑性成型材料通过使树脂A(组分A)与一种或多种来自α,β-不饱和二羰基化合物(组分B)的单体反应制备, 通过在B的存在下和不存在引发剂的情况下在A的熔体中进行反应的方法,所用的树脂A是含有基于A的3至50重量%的树脂A,其中A为 或更多的弹性体a1(橡胶),并且在弹性体a1的存在下通过聚合一种或多种具有8至12个碳原子的乙烯基芳族单体以常规方式制备,用于制备模制品。

    Graft polymers of polyphenylene ethers
    5.
    发明授权
    Graft polymers of polyphenylene ethers 失效
    聚苯醚接枝聚合物

    公开(公告)号:US4797453A

    公开(公告)日:1989-01-10

    申请号:US63687

    申请日:1987-06-19

    CPC分类号: C09D151/08 C08F283/08

    摘要: Graft polymers of(A) a polyphenylene ether as a base polymer and(B) a half ester of an unsaturated dicarboxylic acid of the general formula ##STR1## as a graft monomer, where R.sup.1 is C.sub.1 -C.sub.25 -alkyl, C.sub.2 -C.sub.25 -alkylene or aryl, R.sup.2 and R.sup.3 are each H, Br, Cl or one of the radicals R.sup.1, and Q is H or an alkali metal, an alkaline earth metal or an ammonium cation,with or without(C) further olefinically unsaturated monomers,and their preparation.

    摘要翻译: (A)聚苯醚作为基础聚合物的接枝聚合物和(B)作为接枝单体的通式为不饱和二羧酸的半酯,其中R 1是C 1 -C 25烷基,C 2 -C 25 - 亚烷基或芳基,R 2和R 3各自为H,Br,Cl或基团R 1中的一个,Q为H或碱金属,碱土金属或铵阳离子,具有或不具有(C)另外的烯属不饱和单体 ,及其准备。