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公开(公告)号:BG25235A3
公开(公告)日:1978-08-10
申请号:BG2863574
申请日:1974-12-31
Applicant: DEGUSSA
IPC: C08L7/00 , B29C35/00 , B29C55/00 , B29C65/00 , B29C65/70 , C08J5/10 , C08K3/00 , C08K5/00 , C08K5/548 , C08K7/00 , C08L21/00 , C08L61/10 , C08L67/00 , C08L77/00 , C08L9/06
Abstract: Silica containing mixtures for the improvement of the adhesion of vulcanizable mixtures of natural and/or synthetic rubber to reinforcing fillers or supports of textile and/or metallic fabrics after the vulcanization are prepared that substantially consist of (A) active synthetically produced silica or silicates having a specific surface area according to the BET procedure of about 50 to 500 m2/g and an average primary particle size of from about 5 to 100 and at least one of (B) phenolic resin or aminoplast forming components, namely on the one hand phenols and/or amines and on the other hand aldehydes or aldehyde donors, and/or at least (C) one organosilane which can be a bisalkoxysilylalkyl-oligosulfide of the formula I. Z-Alk-Sn-Alk-Z, in which Z stands for the group R1 R1 R2 ¦ ¦ ¦ (a)-Si-R1, (b)-Si-R2 or (c)-Si-R2 ¦ ¦ ¦ R
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