Process for making copolymers of vinyl aromatic monomers and vinyl phosphonic acid derivatives and foamed articles therefrom
US5116882A · kind A · utility
12Cited by
13References
30Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | May 16, 1991 |
| Grant date | May 26, 1992 |
| Priority date | — |
| Expiry date | May 16, 2011 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2325/08
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process for making thermoplastic copolymer beads from vinyl aromatic monomers and vinyl phosphonic acid derivatives is disclosed. A process for making foamed articles from the beads is also disclosed. The foamed articles are useful for packaging and construction applications.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.