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    期刊專利論文

    高粘性單組分脫肟型室溫硫化硅橡膠密封膠及制備方法

    來源:互聯網2015年12月16日

    閱讀次數:12743次

    HIGH-ADHESIVE ONE-COMPONENT DEOXIMATION TYPE ROOM-TEMPERATURE VULCANIZED SILICONE RUBBER SEALANT AND PREPARATION METHOD THEREFOR

    Priority number(歐洲專利號): WO2015158257

     

    Abstract:A high-adhesive one-component deoximation type room-temperature vulcanized silicone rubber sealant comprises the following components (A) to (F) in parts by weight: 100 parts of modified α,ω-dihydroxylpolydimethylsiloxane (A), 10 to 30 parts of dimethyl silicon oil (B), 7 to 12 parts of a deketoxime crosslinking agent (C), 1 to 5 parts of a silane coupling agent (D), 50 to 150 parts of a reinforcing filler (E), and 0.1 to 1 part of a catalyst (F). Compared with a conventional deoximation type sealant, the provided sealant has excellent adhesiveproperty, particularly for some base materials such as plastics and modified resin which are difficult to be adhered by using an organic silicon adhesive, and can be widely applied to adhesion and sealing of industries such as electronics, automobiles, and household appliances. Modified polydimethylsiloxane is used as a basic polymer in deoximation type silicon rubber, so that the sealant has relatively proper surface drying time, provides more reasonable operation time, and meets the production pace requirement under different working conditions. In addition, due to the adoption of the modified polydimethylsiloxane, the sealant has excellent waterproofness and has a high strength retention rate under high temperature and high humidity conditions.

    下載地址:林中祥膠黏劑技術信息網/專利標準檢索/歐洲專利打包下載

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