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    • 2. 发明授权
    • Process for the preparation of an organopolysiloxane resin
    • 制备有机聚硅氧烷树脂的方法
    • US5401821A
    • 1995-03-28
    • US165788
    • 1993-12-13
    • Michael GeckChristian HerzigBernward DeubzerHelmut Oswaldbauer
    • Michael GeckChristian HerzigBernward DeubzerHelmut Oswaldbauer
    • B01D19/04C08G77/06C08G77/32C08G77/36C09D7/12D21H19/32G03G9/087C08G77/08
    • B01D19/0409C08G77/06C09D7/125D21H19/32G03G9/08773
    • Process for the preparation of an organopolysiloxane resin, which comprisesin a first stage reacting at least one silane of the formulaR.sub.a Si(OR.sup.1).sub.4-a (I)in which a has a value of 0, 1, 2 or 3, R and R.sup.1 are monovalent organic radicals which may be the same or different and/or a partial hydrolyzate thereof, with the proviso that at least one silane of formula (I), where a is 0 or 1 and/or a partial hydrolyzate thereof is employed, and optionally an organo(poly)siloxane with water in the presence of a poly-protic acid and optionally other substances, subsequently partly neutralizing the acid by addition of a base and then distilling off at least some of the compound R.sup.1 OH formed,in a second stage reacting the homogeneous reaction mass resulting from the first stage in the presence of a base and a water-insoluble organic solvent and distilling off the water and the compound R.sup.1 OH,in a third stage, bringing the homogeneous reaction mass resulting from the second stage to a pH of between 6 and 8 by buffering with a poly-protic acid and/or salts thereof, distilling off the water and any compound R.sup.1 OH still present and filtering off the salt which has precipitated, andoptionally, in a fourth stage separating the homogeneous reaction mass resulting from the third stage from the water-insoluble organic solvent.
    • 一种制备有机聚硅氧烷树脂的方法,该方法包括在第一阶段使至少一种式RaSi(OR1)4-a(I)的硅烷反应其中a值为0,1,2或3,R和 R 1是可以相同或不同的一价有机基团和/或其部分水解产物,条件是使用至少一种式(I)的硅烷,其中a为0或1,和/或其部分水解产物, 和任选的有机(聚)硅氧烷与水在多质子酸和任选的其它物质的存在下,随后通过加入碱部分中和酸,然后在第二次蒸馏出至少一些所形成的化合物R 1 OH 在碱的存在和水不溶性有机溶剂的存在下使由第一阶段产生的均相反应物质反应,并在第三阶段中蒸馏除去水和化合物R1OH,使由第二阶段产生的均匀反应物质 pH在6 a之间 通过用聚 - 质子酸和/或其盐缓冲,蒸出水和仍存在的任何化合物R1OH,并过滤沉淀的盐,并且任选地在第四阶段中分离由 第三阶段来自水不溶性有机溶剂。
    • 6. 发明授权
    • Cross-linkable compounds, optionally containing MQ silicon resins
    • 可交联的化合物,任选地含有MQ硅树脂
    • US06274692B1
    • 2001-08-14
    • US09381414
    • 1999-09-30
    • Christian HerzigOliver ZoellnerFriedrich HockemeyerRobert Banfic
    • Christian HerzigOliver ZoellnerFriedrich HockemeyerRobert Banfic
    • C08G7720
    • C09D183/04C08G77/20C09D183/14C08L83/00
    • The invention relates to new, cross-linkable compounds containing (A1) linear organopolysiloxanes with aliphatically unsaturated hydrocarbon radicals, said organopolysiloxanes being of general formula (I) R1aR3-aSiO(R2SiO)c[R2Si—Y—SiR2O(R2SiO)c]dSiR3-bR1b, wherein R can be the same or different, and represents a monovalent, optionally halogenated hydrocarbon radical which is free of terminal aliphatic carbon—carbon multiple bonds, R1 represents a monovalent aliphatically unsaturated hydrocarbon radical, Y represents a bivalent organic radical which is free of terminal aliphatic carbon—carbon multiple bonds, a is 0 or 1, b is 0 or 1, and the sum of a+b per molecule is 1 or 2, c is a whole number to the value of 1 to 1000, d is 0 or a whole number to the value of 1 to 10, and optionally, (A2) MQ silicone resins which are soluble in (A1), on the condition that if MQ silicone resins (A2) are not used, the sum of a+b in the formula (I) is 1.3 to 1.9 on average and that if MQ silicone resins (A2) are used, the sum of a+b in formula (I) is 1.0 to 1.9 on average; (B) organo-silicon compounds with Si-bonded hydrogen atoms; (C) catalysts which promote the formation of an aliphatic multiple bond by Si-bonded hydrogen; and optionally, (D) agents which slow down the formation of an aliphatic multiple bond by Si-bonded hydrogen at room temperature.
    • 本发明涉及含有(A1)具有脂肪族不饱和烃基的线性有机聚硅氧烷的新的可交联化合物,所述有机聚硅氧烷具有通式(I)R1aR3-aSiO(R2SiO)c [R2Si-Y-SiR2O(R2SiO)c] dSiR3 -bR1b,其中R可以相同或不同,并且表示没有末端脂族碳 - 碳多重键的单价任选卤代烃基,R1表示一价脂族不饱和烃基,Y表示二价有机基团,其为 没有末端脂肪族碳 - 碳多重键,a为0或1,b为0或1,每分子a + b的和为1或2,c为1至1000的整数,d (A1)中可溶的(A2)MQ有机硅树脂,如果不使用MQ有机硅树脂(A2),则为0或0〜1的整数, 式(I)中的+ b平均为1.3〜1.9,如果MQ有机硅树脂 (A2),式(I)中a + b的和平均为1.0〜1.9; (B)具有硅键合氢原子的有机硅化合物; (C)促进通过Si键合氢形成脂族多重键的催化剂; 和任选的(D)在室温下通过Si键合的氢减慢形成脂族多重键的试剂。