Abstract

The adhesion of polyester tire cord to rubber decreases during service when it is used in large tires. This phenomenon is recognized as the result of hydrolysis of the polyester by the amine compounds contained in rubber. The carboxylated latex based on the conventional vinylpyridine‐butadiene‐styrene latex was found to have the function of improving both the adhesion and the cord strength. For further improvement, a latex having more functional groups possessing a function of penetration prevention of amines was found to be effective when it is used in a double layer adhesive system.

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