Method for making thermoplastic aliphatic urethane/urea elastomers and molding compositions
US10683417B2 · kind B2 · utility
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Key dates
| Filing date | May 8, 2017 |
| Grant date | Jun 16, 2020 |
| Priority date | — |
| Expiry date | Mar 14, 2038 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31554
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Methods for making compositions for making thermoplastic aliphatic urethane/urea elastomers, which are in turn used to make molding compositions used in forming molded articles, particularly, shells for automotive applications. The molding compositions comprise an aliphatic thermoplastic urethane/urea elastomer and a polyolefin-based modifier. These compositions may be used to form a powder, pellets, microspheres or minibeads which may then be cast to form air bag door and instrument panel cover skins which may meet automotive deployment and weathering requirements.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.