Method of improving adhesion between alkylated chlorosulfonated

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428380, 428383, 428390, 428395, 156137, 156335, D02G 300

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active

056540990

ABSTRACT:
A method for improving the adhesion of alkylated chlorosulfonated polyethylene (ACSM) and chlorosulfonated polyethylene (CSM) rubber compounds to a resorcinol-formaldehyde latex (RFL) treated polyester reinforcing element using lower than conventional heat set temperatures comprising dipping the element into a RFL dip comprising chlorosulfonated polyethylene; drying the element; heat setting the element at a temperature in the range from about 300.degree. F. to about 425.degree. F. under tension; incorporating the element into the rubber compounds; and curing the element and the rubber compounds. Further, adding an amine functional polyacrylate to the RFL dip prevents failure of the adhesion of the cord at start up temperatures of about -40.degree. F.

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