Silicone release coating compositions
    11.
    发明授权
    Silicone release coating compositions 失效
    硅酮脱模涂料组合物

    公开(公告)号:US5696211A

    公开(公告)日:1997-12-09

    申请号:US767176

    申请日:1996-12-16

    CPC classification number: C09D183/04 C09D183/08

    Abstract: Release modifier composition useful in release coating compositions comprising a fluorosilicone compound having perfluoroalkyl groups and at least three silicon-bonded hydrogen atoms and a MQ resin having at least one alkenyl group. Release coating compositions comprising the release modifier compositions and a method for modifying the release force of release coating compositions is also claimed.

    Abstract translation: 包含具有全氟烷基和至少三个与硅键合的氢原子的氟硅氧烷化合物和具有至少一个烯基的MQ树脂的脱模涂料组合物中的释放改性剂组合物。 还要求保护包含脱模改性剂组合物的释放涂料组合物和改性脱模涂料组合物的释放力的方法。

    Silicone release compositions
    12.
    发明授权
    Silicone release compositions 失效
    硅酮释放组合物

    公开(公告)号:US5468816A

    公开(公告)日:1995-11-21

    申请号:US330952

    申请日:1994-10-28

    CPC classification number: C08K5/01 C09D183/04

    Abstract: A release modifier which comprises (i) a MQ resin consisting essentially of units of the formulae SiO.sub.2 and R.sub.3 SiO.sub.1/2 wherein R denotes a monovalent hydrocarbon group having up to 3 carbon atoms, a hydrogen atom, a c.sub.2-5 alkenyl group of the formula --R'CH.dbd.CH.sub.2, provided there is at least one group --R'CH.dbd.CH.sub.2 present per MQ molecule and (ii) a .alpha.,.omega.-diolefin having the general formula CH.sub.2 .dbd.CH--(CH.sub.2).sub.n --CH.dbd.CH.sub.2, wherein n denotes an integer with a value of from 4 to 18 gives improved release force over prior art controlled release additives. Also claimed is a solventless release composition based on siloxanes having SiH groups and a catalyst in addition to the release modifier.

    Abstract translation: 一种释放改性剂,其包含(i)基本上由式SiO 2和R 3 SiO 1/2的单元组成的MQ树脂,其中R表示具有至多3个碳原子的一价烃基,氢原子,式 -R'CH = CH 2,条件是存在每MQ分子存在至少一个基团-R'CH = CH 2和(ii)具有通式CH 2 = CH-(CH 2)n -CH = CH 2的α,ω-二烯烃 ,其中n表示4至18的整数相对于现有技术的控释添加剂具有改进的释放力。 还要求保护的是基于具有SiH基团的硅氧烷和除了释放改性剂之外的催化剂的无溶剂脱模组合物。

    Method of making silethynyl polymers
    13.
    发明授权
    Method of making silethynyl polymers 失效
    制备苯乙烯聚合物的方法

    公开(公告)号:US5216106A

    公开(公告)日:1993-06-01

    申请号:US636174

    申请日:1990-12-31

    CPC classification number: C08G77/60

    Abstract: A method of making silethynyl polymers having units of the general formula --(R.sub.2 SiC.tbd.C)-- wherein each R independently denotes a hydrogen atom, an alkyl, aryl or alkenyl group or a substituted alkyl, aryl or alkenyl group having up to 18 carbon atoms comprises adding a lithium salt of one or more diethynylsilanes of the general formula R.sub.2 Si(C.tbd.CH).sub.2 to one or more dihalosilanes of the general formula R.sub.2 SiX.sub.2 where X is a halogen atom and allowing the components to react. Copolymers with alternating units can be made. Linear polymers are made preferentially. Limiting the use of solvent increases the percentage of linear polymers produced.

    Abstract translation: 制备具有通式 - (R 2 SiC 3 CF 3) - 的单元的硫代乙炔基聚合物的方法,其中每个R独立地表示氢原子,烷基,芳基或烯基或具有至多18个碳原子的取代的烷基,芳基或烯基 包括将一种或多种通式R 2 Si(C 3 CH 3 CH)2的二乙炔基硅烷的锂盐加入到通式为R 2 SiX 2的一种或多种二卤代硅烷中,其中X是卤素原子并允许组分反应。 可以制备具有交替单元的共聚物。 线性聚合物优先制备。 限制溶剂的使用增加了生产的线性聚合物的百分比。

    Method of making silethynyl-siloxane copolymers
    15.
    发明授权
    Method of making silethynyl-siloxane copolymers 失效
    制备硫代乙炔基 - 硅氧烷共聚物的方法

    公开(公告)号:US5102968A

    公开(公告)日:1992-04-07

    申请号:US550913

    申请日:1990-07-11

    CPC classification number: C08G77/50 C08G77/42

    Abstract: A method of making silethynyl-siloxane copolymers having R.sub.2 SiC.tbd.C units and R.sub.2 SiO units wherein each R denotes H or a C.sub.1-16 hydrocarbon or substituted hydrocarbon group, comprises ring-opening copolymerization in the presence of a catalytic amount of a lithium compound, of cyclic siloxanes and cyclic silethynyl polymers. Novel silethynyl-siloxane copolymers of the formula ##STR1## are also disclosed wherein R' denotes --C.tbd.CH or R and a and b are at least 1.

    Abstract translation: 制备具有R 2 SiC 3 C C单元和R 2 SiO单元的硫代乙炔基 - 硅氧烷共聚物的方法,其中每个R表示H或C 1-6烃或取代的烃基,包括在催化量的锂化合物存在下开环共聚, 环状硅氧烷和环状硫代乙炔基聚合物。 还公开了具有式“IMAGE”的新型硫代乙炔基 - 硅氧烷共聚物,其中R'表示-C3BCH或R,a和b至少为1。

    Method of making organosilbutadiyne polymers
    16.
    发明授权
    Method of making organosilbutadiyne polymers 失效
    制备有机硅烷偶联聚合物的方法

    公开(公告)号:US5011961A

    公开(公告)日:1991-04-30

    申请号:US537843

    申请日:1990-06-13

    CPC classification number: C07F7/0801 C07F7/0836 C08G77/60

    Abstract: Organosilbutadiyne polymers having the general formula R'-[(R).sub.2 Si--C.tbd.C--C.tbd.C].sub.n -(R).sub.2 SiR' wherein R is a hydrogen atom, a hydrocarbon group or a substituted hydrocarbon group, R' is hydroxyl, halogen or R and n is an integer, are made by (A) reacting HC.tbd.C--C.dbd.CH--OZ with alkyllithium in a molar ratio of 1:3 wherein Z denotes an alkyl group having up to 6 carbon atoms followed by (B), further reacting the product of (A) with one or more dihalosilanes.

    Abstract translation: 具有通式R' - [(R)2Si-C 3BOND CC 3BOND C] n - (R)2 SiR'的有机二亚乙基聚合物,其中R是氢原子,烃基或取代烃基,R'是羟基,卤素 或者R和n是整数,由(A)使HC 3BOND CC = CH-OZ与摩尔比为1:3的烷基锂反应,其中Z表示具有至多6个碳原子的烷基,接着是(B), 进一步使(A)的产物与一种或多种二卤代硅烷反应。

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