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1. 发明申请

US20220282090A1 ONE-PACK TYPE CURABLE SILICONE GEL COMPOSITION AND CURED SILICONE GEL 有权
公开(公告)号：US20220282090A1
公开(公告)日：2022-09-08
申请号：US17628352
申请日：2020-07-08
申请人： SHIN-ETSU CHEMICAL CO., LTD.
发明人： Tadashi ARAKI , Hiroyasu HARA
IPC分类号： C08L83/06 , C08L83/12 , B01J23/42 , C08J3/075 , C08G77/00 , C08G77/14
摘要： A one-pack type curable silicone gel composition which contains: 100 parts by mass of (A) a branched chain organopolysiloxane having a specific structure from 0.1 part by mass to 50 parts by mass of (B) a diorganopolysiloxane having both molecular chain ends blocked with diorganohydrogensiloxy groups; (C) a platinum-based catalyst; and (D) a phosphite compound represented by formula (3) (wherein R2 represents a monovalent aliphatic hydrocarbon group having 1 to 10 carbon atoms; and X represents a hydrogen atom or a methyl group) in such an amount that more than 3 molecules hut not more than 15 molecules of the phosphite compound represented by formula (3) are present per one platinum atom in component (C). This one-pack type curable silicone gel composition is stable in terms of characteristics and physical properties even if exposed to a temperature more than 50° C. for a long period of time.

2. 发明公开

US20240150612A1 SILICONE COATING AGENT COMPOSITION AND ARTICLE 审中-公开
公开(公告)号：US20240150612A1
公开(公告)日：2024-05-09
申请号：US18278504
申请日：2022-02-14
申请人： SHIN-ETSU CHEMICAL CO., LTD.
发明人： Hiroyasu HARA
IPC分类号： C09D183/06
CPC分类号： C09D183/06
摘要： Provided is a condensation-reaction-curable silicone coating agent composition which contains, as a main component, a hydrolysable-group-containing organosiloxane mixture and also contains a curing catalyst, in which the hydrolysable-group-containing organosiloxane mixture contains an organotrisiloxane compound having a specified molecular structure in which there is at least one non-substituted, halogen-substituted or alkyl-substituted phenyl group in the molecule thereof and at least four hydrolysable groups are contained at molecule chain both ends thereof and an organodisiloxane compound having a specified structure in which there are at least two non-substituted, halogen-substituted or alkyl-substituted phenyl groups on one silicon atom in the molecule thereof and at least two hydrolysable groups are contained on the other silicon atom in the molecule thereof, and the organotrisiloxane compound and the organodisiloxane compound are contained in the hydrolysable-group-containing organosiloxane mixture at a specified blend ratio. The silicone coating agent composition has excellent storage stability although no organic solvent is contained, and can be cured rapidly at ambient temperature after being applied on a substrate to provide a cured coating film having excellent transparency, adhesiveness and the like, having excellent conformability to the shape of the substrate upon the bending of the substrate, and capable of preventing the corrosion of the substrate.

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