Polyisocyanurate foams containing dispersed non-porous silica particles
US9353233B2 · kind B2 · utility
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5References
8Claims
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Assignee
Inventors
Key dates
| Filing date | Jan 24, 2013 |
| Grant date | May 31, 2016 |
| Priority date | — |
| Expiry date | Jan 24, 2033 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/27
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Disclosed herein are polyisocyanurate and/or polyurethane foams containing non-porous silica particles derived from mesoporous cellular foams, wherein the polyisocyanurate and/or polyurethane foams have enhanced heat and/or fire resistance. Processes for making such foams and methods of using them are also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.