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    • 36. 发明公开
    • Polyurethaneurea resins with trialkoxysilane groups and processes for the production thereof
    • Polyurethanharnstoffharze mit Trialkoxysilangruppen und Verfahren zu ihrer Herstellung
    • EP1564233A1
    • 2005-08-17
    • EP04025889.9
    • 2004-11-02
    • E. I. du Pont de Nemours and Company
    • Flosbach, CarmenMatten, Stefanie
    • C08G18/28C08G18/32C09D175/04
    • C08G18/8016C08G18/809C08G18/8175C08G2150/20C09D175/04
    • Polyurethaneurea resins containing at least one group of the formula (I)

              -NH(CO)XOR 1 O(CO)CHR 2 CH 2 N[C n H 2n Si(OR 3 ) 3 ](CO)NH-     (I)

      and/or at least one group of the formula (II) {-NH(CO)XO} a {CH 2 =CR 2 (CO)O} b R 4 {O(CO)CHR 2 CH 2 N[C n H 2n Si (OR 3 ) 3 ](CO)NH-} c wherein

      X = [O(CH 2 ) 4 ] q (OC 2 H 4 ) x (OC 3 H 6 ) y [O(CH 2 ) 5 (CO)] z ;
      q = 0 to 10;
      x = 0 to 20;
      y = 0 to 20;
      z = 0 to 10;
      n = 2 or 3;
      a = 1 or 2;
      b = 0 to 4;
      c = 1 to 5;
      R 1 = -C 2 H 4 -, -C 3 H 6 -, -C 4 H 8 -, -CH(CH 2 O(CO)R 5 )CH 2 - or -CH 2 CH(O(CO)R 5 )CH 2 -;
      R 2 = H or CH 3 ;
      R 3 = C1 to C4 alkyl;
      R 4 = a+b+c-valent, saturated hydrocarbon residue of a (cyclo)alkane polyol with a+b+c hydroxyl groups;
      R 5 = an acid residue of a monocarboxylic acid,
      with the proviso that a+b+c = 3 to 6 and wherein the sequence of the subformulae indicated q, x, y and z may be varied at will and q, x, y and z in each case merely state the number of instances of the particular subformulae contained in the formulae (I) and (II), obtainable by Michael addition reaction of an aminoalkyl trialkoxysilane to a urethane (meth)acrylate and further reaction with polyisocyanate.
    • 含有至少一个式(I)-NH(CO)XOR 1 O(CO)CHR 2 CH 2 N c Cn H 2 n Si(OR 3)3 O(CO)NH - 的基团的聚氨酯脲树脂和/或至少一种 式(II)ä-NH(CO)XOüaäCH2= CR 2(CO)OübR 4äO(CO)CHR 2 CH 2 N n C n H 2n n(OR 3)3(CO)NH-üc其中 X =ÄO(CH 2)4Üq(OC 2 H 4)x(OC 3 H 6)y O(CH 2)5(CO) q = 0〜10; x = 0〜20; y = 0〜20; z = 0〜10; n = 2或3; a = 1或2; b = 0〜4; c = 1〜5; R 1 = -C 2 H 4 - , - C 3 H 6 - , - C 4 H 8 - , - CH(CH 2 O(CO)R 5)CH 2 - 或-CH 2 CH(O(CO)R 5) R 2 = H或CH 3; R 3 = C 1至C 4烷基; 具有+ b + c羟基的(环)烷烃多元醇的R 4 = a + b + c价饱和烃基; R 5 =一元羧酸的酸残基,条件是a + b + c = 3〜6,其中表示q,x,y和z的子式的序列可以随意改变,q,x 在每种情况下,y和z仅仅表示通过氨基烷基三烷氧基硅烷与氨基甲酸酯(甲基)丙烯酸酯的迈克尔加成反应获得的进一步与多异氰酸酯反应得到的式(I)和(II)中所含的特定亚式的实例数 。