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公开(公告)号：US5079291A
公开(公告)日：1992-01-07
申请号：US439741
申请日：1989-11-20
申请人： Edwin R. Evans
发明人： Edwin R. Evans
摘要： There is provided a fluorosilicone composition comprising:(1) a cyclic trimer represented by the general formula: ##STR1## wherein R.sup.1 is C.sub.1-8 alkyl, preferably methyl; R.sup.2 is C.sub.1-8 haloalkyl, preferably trifluoropropyl; and x ranges from 3 to 10 and averages about 6;(2) water; and(3) a mixture comprising by weight about 20% to about 52% of a polar aprotic solvent and about 80% to about 48% of an organic nonaprotic solvent.
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公开(公告)号：US4960811A
公开(公告)日：1990-10-02
申请号：US367402
申请日：1989-06-16
申请人： Edwin R. Evans
发明人： Edwin R. Evans
摘要： Fluorosilicone heat cured rubber compositions are prepared using a chain modifier mixture comprising vinyl terminated polysiloxanes and silanol terminated siloxanes which allow vinyl-on-chain-ends functionality to easily crosslink unhindered by perfluoroalkyl groups.
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公开(公告)号：US4724167A
公开(公告)日：1988-02-09
申请号：US868977
申请日：1986-05-30
CPC分类号： C09C1/3081 , C08K9/06 , C01P2006/11 , C01P2006/12 , C01P2006/90 , Y10S528/901 , Y10T428/2995 , Y10T428/2998
摘要： A treatment for finely divided silica reinforcing fillers is provided which utilizes low temperature and hydroxy or alkoxy containing diorganopolysiloxane as the treating agent. The treatment of fillers in this manner facilitates the manufacture and incorporation into silicone rubbers.
摘要翻译： 提供了使用低温的细分二氧化硅增强填料的处理，含有羟基或烷氧基的二有机聚硅氧烷作为处理剂。 以这种方式处理填料有助于制造和掺入硅橡胶。
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14.发明授权Method for preventing premature curing of silicone compositions and compositions made thereby 失效防止由此制成的硅氧烷组合物和组合物过早固化的方法
公开(公告)号：US4681913A
公开(公告)日：1987-07-21
申请号：US898784
申请日：1986-08-18
申请人： Edwin R. Evans , Arnold Torkelson
发明人： Edwin R. Evans , Arnold Torkelson
CPC分类号： C08K3/22 , Y10S528/901
摘要： There is provided a method for preventing premature curing of curable silicone compositions comprising admixing with said curable composition an amount of Lewis base effective to neutralize any Lewis acid present therein.
摘要翻译： 提供了一种防止可固化硅酮组合物过早固化的方法，其包括与所述可固化组合物混合物一定量的路易斯碱，其有效地中和其中存在的任何路易斯酸。
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公开(公告)号：US4529774A
公开(公告)日：1985-07-16
申请号：US410004
申请日：1982-08-20
IPC分类号： C08L83/00 , C08K3/36 , C08K9/06 , C08L77/00 , C08L83/04 , C09C1/00 , C09C1/28 , C09C3/00 , C09C3/12 , C08L83/06
CPC分类号： C08K9/06
摘要： A treatment for finely divided silica reinforcing fillers is provided which comprises heating the silica filler in the presence of a fluoroalkyl-functional diorganopolysiloxane treating agent. The treated fillers are especially compatible with fluorosilicone gums, and fluorosilicone rubbers made using said fillers exhibit improved mechanical properties, especially tear strength and compression set.
摘要翻译： 提供了一种用于细分二氧化硅增强填料的处理方法，其包括在氟烷基官能二有机聚硅氧烷处理剂存在下加热二氧化硅填料。 经处理的填料与氟硅酮胶特别相容，并且使用所述填料制备的氟硅橡胶表现出改进的机械性能，特别是撕裂强度和压缩永久变形。
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公开(公告)号：US4463118A
公开(公告)日：1984-07-31
申请号：US283771
申请日：1981-07-16
申请人： Edwin R. Evans , John S. Razzano
发明人： Edwin R. Evans , John S. Razzano
摘要： A heat curable oil extended silicone elastomer composition and the cured silicone elastomers derived therefrom which exhibit improved melt flow and improved tear resistance at high filler loadings. A preferred composition comprises in admixture, a silarylenesiloxane polydiorganosiloxane block copolymer, a dimethylsilicone oil bearing vinyl-type unsaturation, a filler and a catalyst.
摘要翻译： 一种可热固化的油延伸的硅氧烷弹性体组合物和由其衍生的固化的硅氧烷弹性体，其在高填料负载下表现出改善的熔体流动性和改善的抗撕裂性能。 一种优选的组合物包括混合有一个聚甲基硅氧烷聚二有机硅氧烷嵌段共聚物，一个含有乙烯基型不饱和的二甲基硅油，一种填料和一种催化剂。
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公开(公告)号：US06362262B1
公开(公告)日：2002-03-26
申请号：US09415905
申请日：1999-10-08
申请人： Edwin R. Evans
发明人： Edwin R. Evans
IPC分类号： C08K554
CPC分类号： C08J5/124 , C08J2383/08 , C09D183/08 , C09D183/14 , C08L83/00 , C08L2666/44
摘要： A solution comprising a composition and a volatile silicone solvent overcomes the environmental disadvantages associated with volatile organic compounds. The invention particularly provides for a primer composition for bonding silicone elastomers to metals that is free of volatile organic compounds comprises an epoxy alkoxy silane, a titanium ortho alcoholate or ortho ester, a silicon ortho alcoholate or ortho ester and a volatile silicone compound.
摘要翻译： 包含组合物和挥发性硅氧烷溶剂的溶液克服与挥发性有机化合物相关的环境缺点。 本发明特别提供了一种用于将硅氧烷弹性体与不含挥发性有机化合物的金属结合的底漆组合物，其包括环氧烷氧基硅烷，原醇钛或原酸酯，原锡酸原酸酯或原酸酯和挥发性硅氧烷化合物。
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公开(公告)号：US5616403A
公开(公告)日：1997-04-01
申请号：US273515
申请日：1994-07-11
IPC分类号： C09D5/00 , B05D7/02 , C08J7/04 , C08K5/14 , C09D183/04 , C09D183/05 , C09D183/07 , C09D183/08 , F02F7/00 , B32B25/20 , C08G77/20 , C08G77/24
CPC分类号： C08K5/14 , B05D7/02 , C08J7/047 , C09D183/08 , C08J2383/04 , C08J2483/00 , F02F7/006 , Y10S277/945 , Y10T428/24967 , Y10T428/26 , Y10T428/264 , Y10T428/3154 , Y10T428/31663
摘要： A thin fluorosilicone elastomer coating which prevents oil weepage problems with silicone rubber gaskets wherein the fluorosilicone elastomer coating contains a vinyl-containing fluorosilicone polymer cured with a hydrogen-containing siloxane/platinum group hydrosilation catalyst curing system used in combination with a peroxide curing agent.
摘要翻译： 一种薄氟硅氧烷弹性体涂层，其防止硅橡胶垫片的油污问题，其中氟硅酮弹性体涂层含有与含过氧化物固化剂组合使用的含氢硅氧烷/铂族硅氢化催化剂固化体系固化的含乙烯基氟硅氧烷聚合物。
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公开(公告)号：US5032626A
公开(公告)日：1991-07-16
申请号：US361670
申请日：1989-06-01
申请人： Edwin R. Evans
发明人： Edwin R. Evans
摘要： In a heat curable silicone rubber composition comprising a polydiorganosiloxane base polymer and a curing catalyst, the improvement comprising an effective amount of co-curing agent. Preferably, the co-curing agent has the general formula ##STR1## where R is H or a C.sub.1-5 alkyl radical, R.sup.1 is a C.sub.1-5 alkylene radical, each R.sup.2 is independently selected from H and CH.sub.3, R.sup.3 is H or CH.sub.3, n equals 0 or 1, and m is an integer from 3 to 6, inclusive.
摘要翻译： 在包含聚二有机硅氧烷基础聚合物和固化催化剂的可热固化硅橡胶组合物中，改进包括有效量的共固化剂。 优选地，共固化剂具有通式为：其中R为H或C 1-5烷基，R 1为C 1-5亚烷基，每个R 2独立地选自H和CH 3，R 3为 H或CH 3，n等于0或1，m为3至6的整数，包括3和6。
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公开(公告)号：US4977290A
公开(公告)日：1990-12-11
申请号：US439968
申请日：1989-11-20
申请人： Edwin R. Evans , Paul Maitoza
发明人： Edwin R. Evans , Paul Maitoza
CPC分类号： C08G77/08 , C07F7/21 , C08G77/045 , C08G77/24
摘要： There is provided a process for producing low molecular weight silanol end-stopped diorganopolysiloxanes containing an average of 3 to 10 diorganosiloxy units and averaging 5 diorganosiloxy units comprising contacting a cyclic trimer of the formula:(R.sup.2 SiO).sub.3where R.sup.2 is a halogenated monovalent hydrocarbon radical and R is selected from the class consisting of monovalent hydrocarbon radicals and halogenated monovalent hydrocarbon radicals with a mixture comprising an aprotic solvent and water and separating the desired product after the hydrolysis.
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