-
公开(公告)号：EP0389138A2
公开(公告)日：1990-09-26
申请号：EP90302308.3
申请日：1990-03-05
申请人： Dow Corning Limited
摘要： Liquid organosiloxane MTQ resins of the general formula [M x TyQ z]n wherein M denotes a monofunctional, T a trifunctional and Q a tetrafunctional siloxane unit, n has an average value of from 4 to 14, x + y is not less than z and not more than 2 z and x/y has a value of from 2 to 9 are prepared by a method comprising (I) adding together (A) a silane of the general formula SiZ 4 , (B) a silane of the general formula RSiY 3 and (C) a silane of the formula R 3 SiX or (C') a disiloxane of the formula (R 3 Si) 2 0 in an acidic aqueous medium and (II) allowing Components (A), (B) and (C) or (C') to react together. X denotes a halogen or alkoxy group, Y denotes X or -OSiR' 3 , Z denotes an alkoxy group and Component (A) is not added to the aqueous medium prior to I Components (B) and (C) or (C
摘要翻译： 通式[MxTyQz] n的液体有机硅氧烷MTQ树脂其中M表示单官能的三官能和Q为四官能的硅氧烷单元，n的平均值为4至14，x + y不小于z且不大于 通过包括（I）加入（A）通式SiZ 4的硅烷，（B）通式RSiY3的硅烷和（C）的硅烷）的方法制备2z以上且x / y为2〜 ）在酸性水性介质中式（R 3 Si）2 O的二硅氧烷，（C）分子式（A），（B）和（C）或（C））反应 一起。 X表示卤素或烷氧基，Y表示X或-OSiR min 3，Z表示烷氧基，组分（A）未在组分（B）和（C）或（C min）之前添加到水性介质中。
-
公开(公告)号：EP0127934A1
公开(公告)日：1984-12-12
申请号：EP84302569.3
申请日：1984-04-16
申请人： Dow Corning Limited
发明人： McVie James , Butler, Derek William
CPC分类号： C08K5/0091 , C08K5/5435 , C09D183/10 , C08L83/10 , C08L2666/28
摘要： Siloxane-polyester compositions comprising (1) a siloxane-polyester copolymer resin (2) one or more solvents forthe siloxane-polyester copolymer, (3) a silane wherein one of the groups attached to silicon is an epoxy-substituted organic group, at least two of the remaining valencies of the silicon atom being satisfied by alkoxy or alkoxyalkoxy groups, and (4) a titanium chelate.
The presence of (3) and (4) improvesthe rate of cure of the siloxane-polyester, and the compositions are useful for providing decorative and/or protective coatings on metals, plastics and other substrates.摘要翻译： 硅氧烷 - 聚酯组合物，其包含（1）硅氧烷 - 聚酯共聚物树脂（2）用于硅氧烷 - 聚酯共聚物的一种或多种溶剂，（3）硅烷，其中与硅连接的基团之一是环氧基取代的有机基团，至少 硅原子的剩余价中的两个被烷氧基或烷氧基烷氧基所满足，以及（4）钛螯合物。 （3）和（4）的存在改善了硅氧烷 - 聚酯的固化速率，并且该组合物可用于在金属，塑料和其他基材上提供装饰性和/或保护性涂层。
-
公开(公告)号：EP0048114A1
公开(公告)日：1982-03-24
申请号：EP81304035.9
申请日：1981-09-03
申请人： Dow Corning Limited
IPC分类号： C09D3/82
CPC分类号： C09D183/04 , C08L2666/52 , C08L2666/54
摘要： An aqueous composition comprising a dispersion of colloidal silica in a solution in water and a water-miscible solvent of the partial condensate of a silanol R Si(OH) 3 , where R is e.g. lower alkyl, vinyl or phenyl, is catalysed by the addition of from 0.1 to 0.5% by weight of stannous octoate. The composition preferably also contains acetic acid.
Useful for providing abrasion-resistant coatings on metals and other substrates.摘要翻译： 包含胶体二氧化硅在水中的溶液中的分散体和硅烷醇R Si（OH）3的部分缩合物的水混溶性溶剂的含水组合物，其中R为例如甲基硅氧烷。 低级烷基，乙烯基或苯基，通过加入0.1-0.5重量％的辛酸亚锡来催化。 该组合物优选还含有乙酸。 用于在金属和其他基材上提供耐磨涂层。
-
公开(公告)号：EP0389137A2
公开(公告)日：1990-09-26
申请号：EP90302307.5
申请日：1990-03-05
申请人： Dow Corning Limited
摘要： Liquid organosiloxane MTQ resins of the general formula [MxTyQz]n wherein M denotes a monofunctional, T a trifunctional and Q denotes a tetrafunctional siloxane unit is characterised by the fact that n has an average value of from 4 to 14, x+y is not less than z and not more than 2 z and x/y has a value of from 2/1 to 9/1. The resin molecule has at least one reactive substituent as defined and can be made by a method comprising (I) adding together a tetraalkoxysilane, a monoorganosilane and a triorganosilane or hexaorganodisiloxane in an acidified aqueous medium provided the tetraalkoxysilane is not added to the aqueous medium prior to the other components, (II) allowing the components to react together in said aqueous medium and, optionally (III) further reacting the finished resin with another compound having N atoms.
摘要翻译： 具有通式[MxTyQz] n的液体有机硅氧烷MTQ树脂其中M表示单官能团，T三官能团和Q表示四官能性硅氧烷单元，其特征在于n的平均值为4至14，x + y不为 小于z且不大于2z，x / y具有2/1至9/1的值。 树脂分子具有至少一个如所定义的反应性取代基，并且可以通过以下方法制备：（I）在酸化的水性介质中将四烷氧基硅烷，单有机硅烷和三有机硅烷或六有机二硅烷一起加入，只要四烷氧基硅烷不加入到水性介质中 （II）允许组分在所述水性介质中一起反应，和任选地（III）使成品树脂与另外具有N原子的化合物反应。
-
-
公开(公告)号：EP0389137A3
公开(公告)日：1991-09-11
申请号：EP90302307.5
申请日：1990-03-05
申请人： Dow Corning Limited
摘要： Liquid organosiloxane MTQ resins of the general formula [MxTyQz]n wherein M denotes a monofunctional, T a trifunctional and Q denotes a tetrafunctional siloxane unit is characterised by the fact that n has an average value of from 4 to 14, x+y is not less than z and not more than 2 z and x/y has a value of from 2/1 to 9/1. The resin molecule has at least one reactive substituent as defined and can be made by a method comprising (I) adding together a tetraalkoxysilane, a monoorganosilane and a triorganosilane or hexaorganodisiloxane in an acidified aqueous medium provided the tetraalkoxysilane is not added to the aqueous medium prior to the other components, (II) allowing the components to react together in said aqueous medium and, optionally (III) further reacting the finished resin with another compound having N atoms.
-
公开(公告)号：EP0251435B1
公开(公告)日：1990-09-12
申请号：EP87303458.1
申请日：1987-04-21
申请人： Dow Corning Limited
CPC分类号： C08G77/12
-
-
公开(公告)号：EP0389138A3
公开(公告)日：1991-09-18
申请号：EP90302308.3
申请日：1990-03-05
申请人： Dow Corning Limited
摘要： Liquid organosiloxane MTQ resins of the general formula [M x TyQ z]n wherein M denotes a monofunctional, T a trifunctional and Q a tetrafunctional siloxane unit, n has an average value of from 4 to 14, x + y is not less than z and not more than 2 z and x/y has a value of from 2 to 9 are prepared by a method comprising (I) adding together (A) a silane of the general formula SiZ 4 , (B) a silane of the general formula RSiY 3 and (C) a silane of the formula R 3 SiX or (C') a disiloxane of the formula (R 3 Si) 2 0 in an acidic aqueous medium and (II) allowing Components (A), (B) and (C) or (C') to react together. X denotes a halogen or alkoxy group, Y denotes X or -OSiR' 3 , Z denotes an alkoxy group and Component (A) is not added to the aqueous medium prior to I Components (B) and (C) or (C
-
公开(公告)号：EP0251435A1
公开(公告)日：1988-01-07
申请号：EP87303458.1
申请日：1987-04-21
申请人： Dow Corning Limited
CPC分类号： C08G77/12
摘要： A method for making siloxane resins consisting essentially of tetravalent Si0 2 units and monovalent R 3 SiO 0.5 and H s R 3s , SiO 0.5 units wherein each R denotes an alkyl group or an aryl group having less than 9 carbon atoms and a denotes 1 or 2, comprises reacting in the presence of an acidic catalyst a siloxane resin consisting essentially of R 3 SiO 0.5 units and SiO 2 units with (H a R 3-a Si) 2 O, where R and a are as defined above. Novel resins wherein only 0.1 to 30 percent of the monovalent units have SiH groups are also disclosed.
摘要翻译： 一种制备基本上由四价SiO 2单元和一价的R 3 SiO 0.5和HaR 3 a SiO 0.5单元组成的硅氧烷树脂的方法，其中每个R表示烷基或具有小于9个碳原子的芳基，a表示1或2，包括使 酸性催化剂的存在基本上由R3SiO0.5单元组成的硅氧烷树脂和具有（HaR 3-a Si）2 O的SiO 2单元，其中R和a如上所定义。 还公开了其中仅0.1％至30％的一价单元具有SiH基团的新型树脂。
-
-
-
-
-
-
-
-
-
搜索结果
11 条记录 (耗时 0.01 秒)
