Thixotropic polyol compositions containing dispersed urethane-modified polyisocyanurates
US9840579B2 · kind B2 · utility
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23Claims
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Key dates
| Filing date | Sep 11, 2014 |
| Grant date | Dec 12, 2017 |
| Priority date | — |
| Expiry date | Oct 31, 2034 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09D5/04
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Thixotropic polyol dispersions are described. The dispersions contain a dispersed phase of polyurethane-isocyanurate particles. They can be made by reacting a low equivalent weight polyol with a polyisocyanate in the presence of an isocyanate trimerization catalyst while dispersed in a base polyol. These polyol dispersions are useful as the resin component of curable systems such as formulated coatings, sealants or adhesives.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.