ADHESIVE TREATMENT FOR FIBER FOR POLYMER REINFORCEMENT AND REINFORCED PRODUCTS

申请号 US15348712 申请日 2016-11-10 公开(公告)号 US20170130014A1 公开(公告)日 2017-05-11
申请人 GATES CORPORATION; 发明人 Kelechi C. Anyaogu; John Graeme Knox;
摘要 An aqueous adhesive composition for treating a reinforcing fiber for bonding to a thermosetting polymer matrix and products made therefrom such as power transmission belts. The adhesive composition includes: water as the solvent or dispersing medium; a polyelectrolyte co-curable with the polymer matrix; a primer material compatible with the fiber and co-curable with the polyelectrolyte; and optionally a rubber curative compatible with the polyelectrolyte and the polymer matrix. A fiber-reinforced, composite polymer system may thus include a thermosetting polymer matrix, a reinforcing fiber embedded therein, and an adhesive composition coating the fiber; the adhesive composition including a polyelectrolyte co-curable with the polymer matrix and a primer material compatible with the fiber and co-curable with the polyelectrolyte. The adhesive composition may include a curative compatible with the polyelectrolyte. In one preferred embodiment, the invention is an aqueous adhesive composition including water, an epoxy resin, a maleated polybutadiene derivative, and a curative.
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