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    • 2. 发明授权
    • Preparation of organosilicon compounds containing &agr;, &bgr;-unsaturated carboxylic acids
    • 制备含有α,β-不饱和羧酸的有机硅化合物
    • US06486338B1
    • 2002-11-26
    • US09491034
    • 2000-01-25
    • Eckhard HaneltFrank SandmeyerNorman HäberleWolfram Schindler
    • Eckhard HaneltFrank SandmeyerNorman HäberleWolfram Schindler
    • C02F708
    • C09K19/408C07F7/0879C07F7/0889C07F7/14C08G77/045
    • Organosilicon compounds (P) containing &agr;,&bgr;-unsaturated carboxylic acid radicals, of the general formula (1) —A—O—C(O)—CR═CH2   (1), are prepared by a process in which, in a first step, organosilicon compounds (H) containing hydrogen atoms bonded directly to silicon are reacted with olefinically unsaturated compounds (U) containing a terminal double or triple bond, of the general formula (2) &OHgr;—O—C(O)—CRH—CH2—Z  (2), in the presence of metals or compounds from the platinum group as catalyst, to give organosilicon compounds (E) containing radicals of the general formula (3) —A—O—C(O)—CRH—CH2—Z  (3), and, in a second step, H—Z compounds are eliminated from organosilicon compounds (E), where A is a divalent organic radical, &OHgr; is a monovalent organic radical containing a terminal double or triple bond, R is an H atom or a methyl radical, and Z is Cl, I, Br or 4-methyltoluenesulfonyl.
    • 通过以下方法制备含有通式(1)的α,β-不饱和羧酸基团的有机硅化合物(P),其中在第一步中,将含有与硅直接键合的氢原子的有机硅化合物(H)与 在由铂族作为催化剂的金属或化合物存在下,通式(2)所示的含有末端双键或三键的烯属不饱和化合物(U),得到含有通式(3)的基团的有机硅化合物(E) ),并且在第二步中,从有机硅化合物(E)中除去HZ化合物,其中A是二价有机基团,OMEGA是含有末端双键或三键的单价有机基团,R是H原子或甲基基团, 且Z为Cl,I,Br或4-甲基甲苯磺酰基。
    • 6. 发明授权
    • Copolymers containing nanoparticles
    • 含纳米颗粒的共聚物
    • US07674868B2
    • 2010-03-09
    • US11722567
    • 2005-12-22
    • Oliver MingeRichard WeidnerFrank SandmeyerHans-Peter Weitzel
    • Oliver MingeRichard WeidnerFrank SandmeyerHans-Peter Weitzel
    • C08F230/08
    • C09C1/3081C01P2004/64C08F2/22C08F4/40C08F218/08C08F220/14C08F220/18C08F230/08C08F283/12C08F292/00C08L51/085C09D133/06Y10T428/2995Y10T428/2998C08L2666/02
    • 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.
    • 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≦̸ 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。