Liquid formulation
US9006301B2 · kind B2 · utility
3Cited by
11References
27Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 16, 2012 |
| Grant date | Apr 14, 2015 |
| Priority date | — |
| Expiry date | Jul 11, 2033 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J2327/06
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A formulation for foaming a thermoplastic polymer, for example PVC, comprises a carrier, exothermic and endothermic chemical blowing agents and 1 wt %, preferably less than 0.2 wt % of water. The liquid formulation can readily be used for foaming PVC and other thermoplastics.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.