Method for manufacturing sound insulation material, sound insulation material manufactured using the method and carpet for vehicle using the same
US11007917B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Mar 29, 2017 |
| Grant date | May 18, 2021 |
| Priority date | — |
| Expiry date | Jul 18, 2038 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K2201/011
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Disclosed herein is a method for manufacturing a sound insulation material, a sound insulation material manufactured using this manufacturing method, and a carpet for a vehicle using the sound insulation material, and the sound insulation material is manufactured using a composite resin composition including 30 parts by weight to 70 parts by weight of aluminum oxide, 10 parts by weight to 20 parts by weight of nanoclay, 0.2 parts by weight to 0.8 parts by weight of an antioxidant, and 0.1 parts by weight to 0.5 parts by weight of a lubricant, with respect to 100 parts by weight of a base resin including PE, and the carpet for a vehicle is manufactured by coating the sound insulation material on a carpet fabric material and drying the result.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.