Use of polyacrylic acid and other polymers as additives in fiberglass formaldehyde based binders
US5670585A · kind A · utility
82Cited by
12References
30Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 13, 1995 |
| Grant date | Sep 23, 1997 |
| Priority date | — |
| Expiry date | Jun 13, 2015 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L33/00
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A process for preparing binder-coated fiber-glass products employs as a binder aqueous polymer systems comprising a nitrogenous formaldehyde resin such as a urea-extended alkaline phenol/formaldehyde resole together with an acidic polyacrylate which cocure to form a thermoset polymer while synergistically reducing ammonia emissions which normally occur during cure of the nitrogenous formaldehyde resin. The polymer system may be used in applications other than fiberglass where reduced emissions are desired.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.