Liquid MDI adducts with improved freeze stability
US6242556A · kind A · utility
4Cited by
12References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Feb 7, 2000 |
| Grant date | Jun 5, 2001 |
| Priority date | — |
| Expiry date | Feb 7, 2020 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G18/7837
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
This invention relates to liquid polyisocyanate compositions having improved freeze stability. These liquid polyisocyanate compositions have an NCO group content of 15 to 30%, and comprise a blend of (A) an MDI adduct having an NCO group content of 15 to 30%, and (B) an allophanate-modified MDI having an NCO group content of 12 to 32.5%.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.