Graft polymers
    33.
    发明授权
    Graft polymers 失效
    接枝聚合物

    公开(公告)号:US4755564A

    公开(公告)日:1988-07-05

    申请号:US798893

    申请日:1985-11-18

    摘要: This invention relates to graft polymers produced from:(1) an elastomer component having glass transition temperatures below 0.degree. C. as the graft base; and(2) graft monomers corresponding to the following general formula: ##STR1## wherein R.sup.1 represents H or a C.sub.1 -C.sub.4 alkyl radical;R.sup.3 represents H, phenyl or a C.sub.1 -C.sub.8 alkyl radical;R.sup.2 represents H, a C.sub.1 -C.sub.10 alkyl or C.sub.6 -C.sub.12 aryl radical or --OR.sup.4 ; andR.sup.4 represents C.sub.1 -C.sub.8 alkyl or C.sub.6 -C.sub.12 aryl optionally substituted by alkyl groups, O-containing or N-containing groups;X represents a single bond, a C.sub.1 -C.sub.10 alkylene or C.sub.6 -C.sub.12 arylene radical, ##STR2## Y represents --O--Z--, --NH--Z--; and Z represents a C.sub.1 -C.sub.10 alkylene or C.sub.6 -C.sub.12 arylene radical; and, optionally, other olefinically unsaturated monomers.

    摘要翻译: 本发明涉及由以下物质制备的接枝聚合物:(1)玻璃化转变温度低于0℃的弹性体组分作为接枝基质; 和(2)对应于以下通式的接枝单体:其中R 1表示H或C 1 -C 4烷基; R3表示H,苯基或C1-C8烷基; R2表示H,C1-C10烷基或C6-C12芳基或-OR4; 且R 4表示任选被烷基,含O或N基团取代的C 1 -C 8烷基或C 6 -C 12芳基; X表示单键,C1-C10亚烷基或C6-C12亚芳基,Y表示-O-Z-,-NH-Z-; Z表示C1-C10亚烷基或C6-C12亚芳基; 和任选的其它烯属不饱和单体。

    Mixture of a thermoplastic polymer of an alkyl methacrylate and a graft
polymer of methyl methacrylate onto crosslinked alkyl acrylate rubber
    38.
    发明授权
    Mixture of a thermoplastic polymer of an alkyl methacrylate and a graft polymer of methyl methacrylate onto crosslinked alkyl acrylate rubber 失效
    甲基丙烯酸烷基酯的热塑性聚合物和甲基丙烯酸甲酯的接枝聚合物与交联的丙烯酸烷基酯橡胶的混合物

    公开(公告)号:US4461868A

    公开(公告)日:1984-07-24

    申请号:US473756

    申请日:1983-03-09

    CPC分类号: C08L69/00 Y10S525/902

    摘要: The present invention relates to mixtures comprising(a) thermoplastic aromatic polycarbonates having Mw (weight average molecular weight) of 10,000 to 200,000, preferably 20,000 to 80,000 (determined by measuring the relative viscosity .eta.rel in CH.sub.2 Cl.sub.2 at 25.degree. C. and a concentration of 0,5 g per 100 ml CH.sub.2 Cl.sub.2(b) thermoplastic polymers of C.sub.1 -C.sub.4 --alkyl methacrylates having Mw (weight average moleculr weight) of 10,000 to 1,000,000 (measured in dimethylformamide at 25.degree. C.) and(c) particulate graft polymers of methyl methacrylate onto a particulate, highly crosslinked alkyl acrylate-rubber which can optionally also contain a crosslinked diene rubber as an inner core, as well as to thermoplastic moulding compositions based on thermoplastic ABS resins or thermoplastic SAN resins which contain the three-component mixture (a)+(b)+(c).

    摘要翻译: 本发明涉及包含(a)热塑性芳族聚碳酸酯的混合物,所述热塑性芳族聚碳酸酯具有10,000至200,000,优选20,000至80,000(通过在25℃下测量CH 2 Cl 2中的相对粘度和相对浓度,并且浓度 (b)甲基丙烯酸C 1 -C 4烷基酯的热塑性聚合物具有10,000至1,000,000(在二甲基甲酰胺中在25℃下测量),并且(c)颗粒移植物(重量平均分子量)为10,000至1,000,000 甲基丙烯酸甲酯的聚合物可以任选地还含有作为内芯的交联二烯橡胶的颗粒状,高度交联的丙烯酸烷基酯橡胶,以及基于热塑性ABS树脂或含有三组分的热塑性SAN树脂的热塑性模塑组合物 混合物(a)+(b)+(c)。

    Rubber powders
    39.
    发明授权
    Rubber powders 失效
    橡胶粉

    公开(公告)号:US4456734A

    公开(公告)日:1984-06-26

    申请号:US337064

    申请日:1982-01-04

    CPC分类号: C08F285/00

    摘要: Free-flowing rubber powders of particles having an average diameter of from 0.01 to 10 mm which contain a grafted-on shell of the polymer or copolymer of one or more vinyl monomers in a quantity of from 2 to 20% by weight, based on the rubber, which rubber is a latex polymer of which the latex particles consist essentially of from 99 to 80% by weight of acrylate rubber having glass transition temperatures below 0.degree. C. and from 1 to 20% by weight of polymer having glass transition temperatures above 0.degree. C. grafted thereon, and a process for their production, wherein the latex of the rubber is completely broken to form an aqueous suspension of the rubber, after which from 2 to 20% by weight, based on the rubber, of one or more vinyl monomers which form polymers having glass transition temperatures above 25.degree. C. are introduced into the suspension and the monomer(s) is/are polymerized, optionally after the addition of a radical-forming catalyst.

    摘要翻译: 平均直径为0.01至10mm的颗粒的自由流动的橡胶粉末,其含有2-20重量%的2-20重量%的聚合物或共聚物的接枝壳,基于 橡胶,其是胶乳聚合物,其中胶乳颗粒基本上由99至80重量%的玻璃化转变温度低于0℃的丙烯酸酯橡胶和1至20重量%的具有玻璃化转变温度的聚合物组成 接枝在其上的0℃及其制备方法,其中橡胶的胶乳被完全破碎以形成橡胶的水性悬浮液,之后,基于橡胶的2至20重量%的橡胶为1或 将形成玻璃化转变温度高于25℃的聚合物的更多的乙烯基单体引入悬浮液中,任选地在加入自由基形成催化剂之后将单体聚合。

    High-notched-impact core-shell polymers having improved weather
resistance
    40.
    发明授权
    High-notched-impact core-shell polymers having improved weather resistance 失效
    具有改进的耐候性的高切口冲击的核 - 壳聚合物

    公开(公告)号:US4393172A

    公开(公告)日:1983-07-12

    申请号:US309569

    申请日:1981-10-08

    CPC分类号: C08F279/02 Y10S525/902

    摘要: A particulate graft polymer comprising (a) a core formed by a crosslinked homopolymer of a conjugated diene or a copolymer thereof with up to 10% by weight of styrene or acrylonitrile; (b) a first shell formed by a crosslinked homopolymer of an acrylic acid alkyl ester or a copolymer thereof with up to 30% by weight of vinyl monomers; (c) a second shell formed by a polymer of resin-forming monomers, a process for manufacturing these graft polymers by means of a multi-stage emulsion polymerization, and their application as molding compositions, optionally together with rigid thermoplastic resins.

    摘要翻译: 一种颗粒状接枝聚合物,其包含(a)由共轭二烯的交联均聚物或其共聚物与至多10重量%的苯乙烯或丙烯腈的交联均聚物形成的芯; (b)由丙烯酸烷基酯的交联均聚物或其共聚物与至多30重量%的乙烯基单体形成的第一壳; (c)由树脂形成单体的聚合物形成的第二壳,通过多阶段乳液聚合制造这些接枝聚合物的方法,以及它们作为模塑组合物,任选地与刚性热塑性树脂一起使用。