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US 12,371,601 B2Granted
Environment-friendly hot-melt composition for vehicle interior material
AssigneesHyundai Motor Company, Kia Corporation
InventorsJin Uk Hwang, Seung Keon Woo, Jae Hong Woo
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Abstract
Disclosed is an environment-friendly hot-melt composition for a vehicle interior material, the hot-melt composition including: 65 wt % to 85 wt % of an aromatic polyamide; 10 wt % to 30 wt % of an aliphatic polyamide; 1 wt % to 5 wt % of an olefinic elastomer graft-polymerized with maleic anhydride; and 0.1 wt % to 2 wt % of an antioxidant.
Claims3
A method of manufacturing a vehicle interior material, the method comprising:
- forming an adhesive layer by applying a hot-melt composition on a substrate;
- cooling the adhesive layer;
- and
- attaching a skin layer to the adhesive layer,
- wherein the hot-melt composition comprises:
- 65 wt % to 85 wt % of an aromatic polyamide,
- 10 wt % to 30 wt % of an aliphatic polyamide, and
- 1 wt % to 5 wt % of an olefinic elastomer graft-polymerized with maleic anhydride.
5 more elements
Dependencies are inferred from the claim text.