Method for fire protection and modification of properties of expanded polyesters
US9005701B2 · kind B2 · utility
0Cited by
40References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 21, 2010 |
| Grant date | Apr 14, 2015 |
| Priority date | — |
| Expiry date | Jan 5, 2032 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/249991
- WIPO fieldSurface technology, coating
- WIPO sectorChemistry
Abstract
The present invention relates to an easy-to-apply, but versatile method for modifying the physical and chemical resistance properties of expanded polyester products, such as fire retardancy and hydrolysis resistance, by melt-modification of the surface layer(s) of said foams and sponges, the manufacturing of such products and the use of such products.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.