Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond
Patent
1986-12-19
1988-08-09
McCamish, Marion C.
Stock material or miscellaneous articles
Structurally defined web or sheet
Discontinuous or differential coating, impregnation or bond
428286, 428287, 428295, 428910, C08D 1316, B32B 2736
Patent
active
047627450
ABSTRACT:
A method of bonding fabric to rubber in forming a composite having adhesive strength therebetween. The method includes pretreating the fabric by subjecting it to a solvent selected from the group consisting of isocyanate solvent, epoxy solvent, and liquid mixtures thereof, subjecting the pretreated fabric to a liquid containing acrylonitrile-butadiene-latex and a resorcinol-formalin mixture wherein the solid weight ratio of the acrylonitrile-butadiene-latex to the resorcinol-formalin is in the range of from approximately 10 to 1 to approximately 2 to 1, the mol ratio of resorcinol to formalin is in the range of from approximately 1 to 3 to approximately 3 to 1, and the acrylonitrile-butadiene-latex contains at least approximately 3% carboxyl groups, heat treating the fabric, and vulcanizing unvulcanized high temperature resistant hydronitrile rubber in association with said fabric. A rubber/fabric composite manufacture embodying the invention utilizing a rubber composite having an isocyanurate organic peroxide vulcanizing agent is disclosed.
REFERENCES:
patent: 3697310 (1972-10-01), Kurihara et al.
patent: 4031288 (1977-06-01), Bhakuni et al.
patent: 4404329 (1983-09-01), Maeda et al.
Kinoshita Takashi
Mashimo Satoshi
Tanaka Masayuki
McCamish Marion C.
Mitsuboshi Belting Ltd.
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