Insulation containing heat expandable spherical additives, calcium acetate, cupric carbonate, or a combination thereof
US8555598B2 · kind B2 · utility
12Cited by
40References
14Claims
0Family size
Assignee
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Key dates
| Filing date | Feb 2, 2012 |
| Grant date | Oct 15, 2013 |
| Priority date | — |
| Expiry date | Feb 29, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/249924
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
A method of making thermal insulation includes, forming a thermal insulation product precursor having randomly distributed inorganic fibers and about 5-500 wt. % heat-expandable hollow microspheres in dry or slurry form and having a polymeric shell and having disposed therein a blowing agent or gas, and calcium acetate or cupric carbonate, or a combination of calcium acetate and cupric carbonate, and heating the precursor to expand the microspheres.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.