Polydimethylsiloxane grafted polyethylene foam
US10308782B2 · kind B2 · utility
0Cited by
9References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 15, 2014 |
| Grant date | Jun 4, 2019 |
| Priority date | — |
| Expiry date | Oct 4, 2034 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2387/00
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
In one aspect there is provided a foam comprising: a polymeric matrix comprising polyethylene grafted polymerized siloxane, and a plurality of cells formed in the polymeric matrix and containing a blowing agent comprising carbon dioxide. In another aspect there is provided a method of making a foam comprising: grafting polymerized siloxane to polyethylene to form a grafted intermediate; molding the grafted intermediate to form a molded intermediate; and foaming the molded intermediate using high-pressure CO2 to form the foam, wherein the foam has a porosity greater than 75%.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.