Polyurethane foams stabilized with hydrolyzable polysiloxane copolymers
US3947386A · kind A · utility
19Cited by
3References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 27, 1974 |
| Grant date | Mar 30, 1976 |
| Priority date | — |
| Expiry date | Jun 27, 1994 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2483/00
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Linear siloxane-polyoxyalkylene (AB).sub.n block copolymers having an average molecular weight of at least about 30,000, compositions of polyurethane-forming froths containing said copolymers, the curable froths produced from said compositions, methods for utilizing said froths as well as the cured foams and articles produced therefrom, said froths having utility in the production of molded polyurethane foam articles, foam backings for carpeting and fabrics, coatings for wire, cable and other articles, small cavity encapsulations, and the like.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.