High speed extrusion
US5945478A · kind A · utility
18Cited by
7References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jun 25, 1997 |
| Grant date | Aug 31, 1999 |
| Priority date | — |
| Expiry date | Jun 25, 2017 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L2205/06
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
Extrusion rheology of thermoplastic polymer as manifested by surface smoothness is improved by incorporating foam cell nucleating agents into the polymer and extruding the polymer under laminar flow to form unfoamed extrudate.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.