Binder compositions exhibiting reduced emissions
US6706808B2 · kind B2 · utility
5Cited by
6References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 3, 1999 |
| Grant date | Mar 16, 2004 |
| Priority date | — |
| Expiry date | Aug 3, 2019 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L61/34
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The presently disclosed invention relates to a phenolic binder comprising a premix of a urea modified phenol-formaldehyde resole resin, a curing agent, and an additive selected from the group consisting of ammonium lignosulfonate, melamine and a melamine derivative. A method for reducing gaseous emissions in the manufacture of fibrous insulation materials is also disclosed.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.