Non-punking non-corrosive phenolic foam containing sodium tetraborate
US4122045A · kind A · utility
9Cited by
6References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 24, 1976 |
| Grant date | Oct 24, 1978 |
| Priority date | — |
| Expiry date | May 24, 1996 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2361/06
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A phenolic foam that is non-corrosive to metallic substrates over which it is applied is disclosed herein. The foam is prepared by hardening an intimate mixture of a conventional foamable phenolic resole resin containing a blowing agent, a hardener and a surface active agent, and sodium tetraborate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.