Urethane modified polyisocyanurate foam surfaced with aluminum foil or sheet
US4292353A · kind A · utility
13Cited by
14References
13Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 13, 1978 |
| Grant date | Sep 29, 1981 |
| Priority date | — |
| Expiry date | Nov 13, 1998 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/31703
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
A laminate having excellent flameproofing and low-smoke development is disclosed. The laminate comprises an urethane modified polyisocyanurate foam as a core material and an aluminum foil or sheet as a surface material piled on at least one surface of the foam through a self-adhesion of the foam and passes Grade 2 incombustibility according to Japanese Industrial Standard (JIS) A-1321 combustion test.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.