RUBBER MIXTURE Russian patent published in 2012 - IPC C08L9/02 C08L17/00 C08L19/00 C08L63/00 C08K3/04 C08K3/06 C08K3/22 C08K5/09 C08K5/10 C08K5/19 C08K5/405 

FIELD: chemistry.

SUBSTANCE: rubber mixture contains the following, pts.wt: epichlorohydrin rubber 50, nitrile rubber 50, vulcanisation accelerator 0.6, cross-linking agents 2, magnesium oxide low-activity filler 5, technical carbon and silicon dioxide filler 63, antiozonant 1, adhesive additive 1.5, softeners 12.6, epoxy resin ED-20 2.2-6.2, rubber crumbs from fluoro-rubber wastes containing calcium hydroxide and bisphenol A 14.4-28.0. The adhesive additive used is a quaternary ammonium salt of 1,8-diazobicyclo[5,4,0]-undecene-7 and novolac resin (R-152). The epoxy resin, combined with the rubber crumbs, is used as an additional adhesive.

EFFECT: invention increases adhesion of the intermediate and inner layers of a hose.

4 tbl, 2 ex