Expandable rubber/resin blend and resulting foam
US4245055A · kind A · utility
10Cited by
10References
4Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Dec 14, 1979 |
| Grant date | Jan 13, 1981 |
| Priority date | — |
| Expiry date | Dec 14, 1999 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S521/907
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
An expandable resin/rubber blend comprising a butadiene-acrylonitrile rubber, a vinyl chloride resin, and a polymethylmethacrylate, adapted to form chemically blown, predominantly closed cell foam in a density range of about 1.8-4 pounds/cu. ft.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.