Fine-celled plastic foam containing fluorochemical blowing agent
US5211873A · kind A · utility
33Cited by
16References
12Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 21, 1992 |
| Grant date | May 18, 1993 |
| Priority date | — |
| Expiry date | Jul 21, 2012 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S516/01
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A blowing agent emulsion comprising a blowing agent mixture, such that the mixture comprises (1) one or more low boiling, hydrochlorocarbons, (2) one or more low boiling chlorine-free perfluorinated compound, and (3) optionally, one or more low boiling, hydrochlorofluorocarbons, one or more low boiling, hydrofluorocarbons, one or more low boiling hydrocarbons, or mixtures thereof; a foamable polymerizable reaction mixture, and a fluorochemical surfactant, optionally, a silicone surfactant, and a catalyst; a foamed plastic; and a process for making thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.