Foamed articles of styrenic and acrylic polymers blend
US6063485A · kind A · utility
4Cited by
5References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 8, 1997 |
| Grant date | May 16, 2000 |
| Priority date | — |
| Expiry date | May 8, 2017 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/249987
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Foamed articles having a closed cell structure formed from a polymer blend comprising at least 50% by weight of a styrenic polymer and up to 50% by weight of an acrylic polymer which has an average molecular weight which is less than 90% of that of the styrenic polymer which are significantly less dense than such articles prepared from the styrenic polymer alone.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.