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16 条记录 (耗时 0.032 秒)

    Modified carboxyl-containing polyphenylene ether resins
    7.
    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

    申请人： Christof Taubitz ,  Erhard Seiler ,  Lothar Schlemmer

    发明人： Christof Taubitz ,  Erhard Seiler ,  Lothar Schlemmer

    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。

    Partially crosslinked composition comprising polymers of propylene and of ethylene
    8.
    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

    申请人： Sibylle Brosius ,  Erhard Seiler ,  Harald Schwager ,  Gerhard Kress ,  Lothar Schlemmer

    发明人： Sibylle Brosius ,  Erhard Seiler ,  Harald Schwager ,  Gerhard Kress ,  Lothar Schlemmer

    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。