A procedure for improving the adherence to the rubber of the cord for the tires made of polyethylene therethalate. (Machine-translation by Google Translate, not legally binding)

摘要

Improvements introduced in the object of the main Patent no. No. 305,248, that is, in a process for improving the adhesion to rubber cord for tires made of polyethylene terephthalate by treatment in a two-stage process, in which in the second phase it is treated with an aqueous dispersion of precondensate of resorcin and formaldehyde and vinylpyridine latex, characterized in that a glycidyl ether of an alcohol with at least three OH groups, of which at least two, are applied simultaneously with the preparation for spinning on the yarns intended for the manufacture of reinforcing cords for covers. they are transformed into glycidic ether groups and a heterocyclic or aliphatic amine. (Machine-translation by Google Translate, not legally binding)