Platinum (II) diene complexes for controlled siloxane crosslinking
A technology of hydrogen siloxane and composition, applied in the field of siloxane crosslinking reaction catalyzed by platinum diene complex
Active Publication Date: 2017-05-24
MOMENTIVE PERFORMANCE MATERIALS INC
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The use of these platinum-diene complexes with chelating dianions in hydrosilylation reactions has not been reported
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[0127] Aspects of the present disclosure will now be described and may be further understood with reference to the following examples. These examples are illustrative only and are not to be construed as limiting in any way the material or process parameters, equipment or conditions of the invention disclosed herein.
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A process for cross-linking siloxane and organic polymers comprising reacting (a) a silyl hydride with (b) an unsaturated polymeric compound in the presence of (d) a platinum diene compound with a chelating dianionic ligand.
Description
[0001] Cross References to Related Applications [0002] This application claims priority and benefit to U.S. Provisional Application No. 62 / 052,727, filed September 19, 2014, entitled "Platinum(II) Diene Complexes for Controlled Silicone Crosslinking," which The disclosure is hereby incorporated by reference in its entirety. technical field [0003] The present invention generally relates to the use of platinum(II) diene complexes with chelating anions to catalyze the crosslinking reaction of silicones. Background technique [0004] Hydrosilylation chemistry, which involves the reaction between silylhydrides and unsaturated organic groups, is used in many additions including sealants, elastomers, RTVs, adhesives, and silicone-based coatings. The base of the cured product. Addition-cure silicone formulations typically contain: [0005] (A) alkenyl-substituted polysiloxane, which is the main component or base polymer of the curable composition; [0006] (B) hydride functi...
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IPC IPC(8): C08G77/00C09J183/08B01J31/02
CPCB01J31/2291B01J2231/323B01J2531/828C08G77/12C08G77/20C08L83/04C07F7/087C08K5/56C08L83/00C07F15/0086C08G77/08C09D183/04
Inventor 朱莉·波伊尔阿罗波·罗伊大卫·詹金斯
Owner MOMENTIVE PERFORMANCE MATERIALS INC
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