Expanded shaped article comprising a heat resistant synthetic resin
US4424286A · kind A · utility
3Cited by
5References
9Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 30, 1982 |
| Grant date | Jan 3, 1984 |
| Priority date | — |
| Expiry date | Aug 30, 2002 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S264/09
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
An expanded shaped article of a heat resistant synthetic resin comprising 20 to 100 weight percent tertiary butyl styrene and 80 to 0 weight percent other monomers polymerizable therewith, and containing volatile foaming agent, wherein expandable particles of said resin are pre-expanded by application of heat and then molded by application of heat to produce shaped articles. Extrusion foaming may be used to form the article.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.