Method of making thermoplastic foamed articles using supercritical fluid
US5670102A · kind A · utility
71Cited by
28References
14Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jan 25, 1994 |
| Grant date | Sep 23, 1997 |
| Priority date | — |
| Expiry date | Jan 25, 2014 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2379/08
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Foamed thermoplastic articles, both filled and unfilled foamed articles have a foamed density of greater than 0.03 grams per cubic centimeters (g/cm.sup.3), cell sizes in the range of 10 to 300 micrometers (.mu.m) with cell wall thicknesses of greater than 0.1 .mu.m but less than 2 .mu.m and a process for making the same.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.