Copolymers Containing Nanoparticles
    11.
    发明申请
    Copolymers Containing Nanoparticles 失效
    含有纳米粒子的共聚物

    公开(公告)号:US20080146743A1

    公开(公告)日:2008-06-19

    申请号:US11722567

    申请日:2005-12-22

    IPC分类号: C08F261/00

    摘要: Copolymers of ethylenically unsaturated monomers and ethylenically functionalized nanoparticles in the form of aqueous polymer dispersions or water-redispersible polymer powders, are obtained by aqueous free-radically polymerizing and optionally drying a copolymerizate of,A) one or more ethylenically unsaturated monomers in the presence of B) particles having an average diameter of ≦1000 nm, functionalized with ethylenically unsaturated, free-radically polymerizable groups, wherein B1) particles are metal oxides or semimetal oxides, and/or B2) particles are silicone resins and where B1) and B2) are functionalized with one or more α-organosilanes of the formula (R1O)3−n(R2)nSi—(CR32)—X (I), where X is a radical having 2 to 20 hydrocarbon atoms containing an ethylenically unsaturated group.

    摘要翻译: 通过水溶液自由基聚合和任选地干燥A)一种或多种烯键式不饱和单体的共聚物,在存在下共聚物的情况下获得烯键式不饱和单体和烯键式官能化纳米颗粒的聚合物分散体或水可再分散聚合物粉末形式的共聚物 B)具有平均直径<= 1000nm的颗粒,用烯属不饱和的可自由基聚合的基团官能化,其中B1)颗粒是金属氧化物或半金属氧化物,和/或B2)颗粒是有机硅树脂,其中B1)和B2 )用一种或多种下式的α-有机硅烷(R 1 O 3)3-n(R 2)n n进行官能化 X(I),其中X是含有烯属不饱和基团的具有2-20个烃基的基团。

    Copolymers containing nanoparticles
    13.
    发明授权
    Copolymers containing nanoparticles 失效
    含纳米颗粒的共聚物

    公开(公告)号:US07674868B2

    公开(公告)日:2010-03-09

    申请号:US11722567

    申请日:2005-12-22

    IPC分类号: C08F230/08

    摘要: The invention provides copolymers of ethylenically unsaturated monomers and of ethylenically functionalized nanoparticles in the form of their aqueous polymer dispersions or water-redispersible polymer powders, obtainable by means of free-radically initiated polymerization in an aqueous medium and, if desired, subsequent drying of the resultant polymer dispersion, ofA) one or more monomers from the group consisting of vinyl esters, (meth)acrylic esters, vinylaromatics, olef ins, 1,3-dienes, vinyl ethers and vinyl halides and, if desired, further monomers copolymerizable therewith, in the presence ofB) at least one particle P having an average diameter of ≦1000 nm, which is functionalized with ethylenically unsaturated, free-radically polymerizable groups, characterized in thatB2) particles P used are one or more from the group of metal oxides and semimetal oxides, and/orB2) particles P used are silicone resins composed of repeating units of the general formula [R4(p+Z)SiO(4−p−Z)/2] (II), where for at least 20 mol % of the respective silicone resin p+z=0, 1 or 3,and where B1) and B2) are each functionalized with one or more α-organosilanes of the general formula (R1O)3−(R2)nSi—(CR32)—X (I), where X is a radical having 2 to 20 hydrocarbon atoms and containing an ethylenically unsaturated group.

    摘要翻译: 本发明提供烯键式不饱和单体和烯属官能化纳米颗粒的共聚物,其形式为它们的水性聚合物分散体或水分可再分散聚合物粉末,其通过在水性介质中自由引发聚合获得,并且如果需要,随后干燥 得到的聚合物分散体A)一种或多种由乙烯基酯,(甲基)丙烯酸酯,乙烯基芳烃,烯烃,1,3-二烯,乙烯基醚和乙烯基卤化物组成的组中的单体,如果需要,可与其共聚的其它单体 在B存在的情况下,至少一个具有平均直径为&nlE; 1000nm的颗粒P,其被烯键式不饱和的可自由基聚合的基团官能化,其特征在于所用的B2)颗粒P是一个或多个基团 的金属氧化物和半金属氧化物,和/或B2)颗粒P是由通式[R4(p + Z)SiO(4-p)的重复单元构成的硅氧烷树脂 -Z)/ 2](II),其中对于至少20mol%的各有机硅树脂p + z = 0,1或3,并且其中B1)和B2)各自被一个或多个α-有机硅烷官能化 通式(R1O)3-(R2)nSi-(CR32)-X(I),其中X是具有2至20个烃原子且含有烯属不饱和基团的基团。