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US 10,947,430 B2Granted
Tire with reduced cavity noise
AssigneeHankook Tire Co., Ltd.
InventorsByeong Ho Seo, Ju Geon Park, Chang Hwan Kang, Hak Joo Kim
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Abstract
Disclosed is a tire with reduced cavity noise including an adhesive agent layer applied to an inside of an inner liner and a sound absorber layer attached to the adhesive agent layer, wherein the adhesive agent layer includes poly(ether-urethane) containing alkoxysilane at both ends thereof. The tire with reduced cavity noise is stable without causing separation of a sound absorber even upon heating and deformation during driving.
Claims3
A tire with reduced cavity noise comprising:
- an adhesive agent layer applied to an inside of an inner liner;
- and
- a sound absorber layer attached to the adhesive agent layer,
- wherein the adhesive agent layer comprises a poly(ether-urethane) containing alkoxysilane at both ends thereof,
- wherein a sound absorber of the sound absorber layer comprises a polyurethane foam with open cells, and
- wherein the poly(ether-urethane) containing alkoxysilane at both ends thereof is represented by the following Formula 1a:
- wherein R1 to R3 each independently represent a C1 to C3 alkyl or alkoxy group and n is an integer of 1 to 10,000.
4 more elements
Dependencies are inferred from the claim text.