利索-全球专利检索

  1. 登录
  2. 注册

搜索结果

84 条记录 (耗时 0.026 秒)

    Process for the preparation of ethylene-vinyl ester graft polymer dispersions
    7.
    发明授权
    Process for the preparation of ethylene-vinyl ester graft polymer dispersions 失效
    乙烯 - 乙烯基酯接枝聚合物分散体的制备方法

    公开(公告)号：US4329267A

    公开(公告)日：1982-05-11

    申请号：US238996

    申请日：1981-02-27

    申请人： Klaus Riebel ,  Heinrich Alberts ,  Herbert Bartl ,  Fritz Mietzsch ,  Ulrich Steffen

    发明人： Klaus Riebel ,  Heinrich Alberts ,  Herbert Bartl ,  Fritz Mietzsch ,  Ulrich Steffen

    IPC分类号： C08F255/00 ,  C08F255/02 ,  C08F263/00 ,  C08F263/02 ,  C08F263/04 ,  C08L23/00 ,  C08L51/00 ,  C08L51/02 ,  C08L51/06 ,  C08L101/00

    CPC分类号： C08F255/026 ,  C08F263/02

    摘要： A process for the preparation of dispersions of optionally cross-linked ethylene-vinyl ester graft polymers wherein an ethylene-vinyl ester copolymer is used as graft substrate and a vinyl ester of a C.sub.1 -C.sub.18 carboxylic acid and/or a C.sub.1 -C.sub.10 -alkyl ester of acrylic and/or methacrylic acid are used as a graft monomer which is polymerized, optionally together with a cross-linking agent having two or more C--C double bonds, in organic solution until at least 25% by weight of the graft monomer has been reacted, the reaction product is converted into a stable finely divided dispersion by the addition of a precipitating agent under the action of shearing forces and polymerisation is completed before, during or after the formation of the dispersion.

    摘要翻译： 用于制备任选交联的乙烯 - 乙烯基酯接枝聚合物的分散体的方法，其中使用乙烯 - 乙烯基酯共聚物作为接枝基材和C1-C18羧酸和/或C1-C10-烷基的乙烯基酯 使用丙烯酸和/或甲基丙烯酸的酯作为接枝单体，其在有机溶液中任选地与具有两个或更多个CC双键的交联剂一起聚合，直到至少25重量％的接枝单体已经被 反应后，通过在剪切力的作用下加入沉淀剂将反应产物转化成稳定的细碎分散体，并且在形成分散体之前，期间或之后完成聚合。

    Process for the production of anhydride-group- or carboxyl-group-containing graft copolymers of polysaccharide esters
    8.
    发明授权
    Process for the production of anhydride-group- or carboxyl-group-containing graft copolymers of polysaccharide esters 失效
    制备含多酸酯类的含酸酐基或含羧基的接枝共聚物的方法

    公开(公告)号：US4501871A

    公开(公告)日：1985-02-26

    申请号：US563660

    申请日：1983-12-20

    申请人： Herbert Bartl ,  Heinrich Alberts ,  Klaus Schuster

    发明人： Herbert Bartl ,  Heinrich Alberts ,  Klaus Schuster

    IPC分类号： C08F251/00 ,  C08G63/00 ,  C08L1/10 ,  C08L3/06 ,  C08L5/00

    CPC分类号： C08F251/00

    摘要： Anhydride-group- or carboxyl-group-containing graft copolymers of vinyl esters and other suitable monomers on polysaccharide esters of (A) a polysaccharide ester of aliphatic C.sub.1 -C.sub.5 -mono-carboxylic acids as the graft substrate and (B) a grafted-on monomer mixture of (a) a vinyl ester of a C.sub.1 -C.sub.18 -monocarboxylic acid and (b) maleic acid anhydride and/or semiesters of maleic acid and/or fumaric acid with aliphatic C.sub.1 -C.sub.14 -monoalcohols, the ratio by weight of (A) to (B) being from 1:0.1 to 1:2 and the molar ratio of (a) to (b) being from 1:0.5 to 1:3, and a process for producing these graft copolymers.

    摘要翻译： （A）脂肪族C1-C5-单羧酸多糖酯作为接枝基质的多糖酯上的乙烯基酯和其它合适的单体的含酸基 - 或羧基接枝共聚物和（B）接枝 - 在（a）C1-C18-一元羧酸的乙烯基酯和（b）马来酸酐和/或马来酸和/或富马酸与脂肪族C 1 -C 14 - 一元醇的混合物的单体混合物上， （A）〜（B）为1:0.1〜1:2，（a）〜（b）的摩尔比为1:0.5〜1:3，以及这些接枝共聚物的制造方法。

    Graft polymers
    9.
    发明授权
    Graft polymers 失效
    接枝聚合物

    公开(公告)号：US4071580A

    公开(公告)日：1978-01-31

    申请号：US662263

    申请日：1976-02-27

    申请人： Heinrich Alberts ,  Herbert Bartl

    发明人： Heinrich Alberts ,  Herbert Bartl

    IPC分类号： C08F255/00 ,  C08F255/02 ,  C08F291/06 ,  C08F263/02 ,  C08F263/04

    CPC分类号： C08F255/02 ,  C08F291/06

    摘要： A process for the preparation of graft polymers from ethylene homopolymers or copolymers and olefinically unsaturated monomers, especially from ethylene/vinyl ester copolymers, in the presence of a radical forming agent in homogenous or heterogeneous phase, in which a mixture of (meth)acrylonitrile, at least one aromatic vinyl compound and vinylchloride are polymerized in the presence of an ethylene homopolymer or copolymer. The products obtained contain no ungrafted styrene/acrylonitrile copolymer and more than 80% by weight of the graft polymer is chemically almost uniform in structure. The products obtained according to the invention are eminently suitable for use as coating materials and as materials which can be thermoplastically processed.

    摘要翻译： 一种在乙烯均聚物或共聚物和烯属不饱和单体，特别是乙烯/乙烯基酯共聚物的自由基形成剂存在下在均相或非均相中制备接枝聚合物的方法，其中（甲基）丙烯腈， 在乙烯均聚物或共聚物存在下聚合至少一种芳族乙烯基化合物和氯乙烯。 获得的产品不含未接枝的苯乙烯/丙烯腈共聚物，并且大于80重量％的接枝聚合物在结构上化学上几乎均匀。 根据本发明获得的产品非常适合用作涂料和作为可热塑化处理的材料。