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US 12,623,490 B2Granted
Adhesive composition for tire cord, tire cord, and tire
AssigneeKolon Industries, Inc.
InventorsSung Gyu Lee, Il Chung, Ok Hwa Jeon, Min Ho Lee
Life of this patent
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Abstract
This invention relates to an adhesive composition for a tire cord, a tire cord including an adhesive layer formed from the adhesive composition, and a tire including the tire cord. According to the present disclosure, an environment-friendly adhesive composition for a tire cord that can not only improve adhesive strength between tire rubber and a tire cord, but can also improve strength of a tire cord is provided.
Claims12
An adhesive composition for a tire cord, comprising:
- a reaction product of an epoxy resin and a diol compound;
- an isocyanate compound;
- latex;
- water-dispersed polyurethane;
- an amine compound;
- and
- a solvent,
- wherein the reaction product is formed by reaction between the epoxy resin and the diol compound at a weight ratio of 1:0.1 to 1:5, and the reaction product has a weight average molecular weight of 700 to 1200 g/mol,
- wherein the diol compound comprises one or more selected from the group consisting of 1,3-propanediol, 1,4-butanediol, 1,3-butanediol, 2,3-butanediol, and 1,6-hexanediol.
6 more elements
Dependencies are inferred from the claim text.