Roofing mat using modified urea-formaldehyde binder
US7691761B2 · kind B2 · utility
6Cited by
12References
3Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Dec 28, 2006 |
| Grant date | Apr 6, 2010 |
| Priority date | — |
| Expiry date | Jul 16, 2028 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T442/60
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Provided is thermosetting urea-formaldehyde (UF) resin binder formulation modified with a thickener. The formulation preferably has a viscosity in the range of from 3 to 10 cP and a surface tension of from 35 to 50 mN/m, and is preferably prepared from a binder composition exhibiting a viscosity of from 175 to 250 cP.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.