Preparation of organopolysiloxane emulsion
US6245852A · kind A · utility
4Cited by
8References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Aug 12, 1999 |
| Grant date | Jun 12, 2001 |
| Priority date | — |
| Expiry date | Aug 12, 2019 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G77/22
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A stable organopolysiloxane emulsion is briefly prepared by emulsifying and dispersing a low molecular weight organopolysiloxane (A) in water in the presence of an organic sulfonic acid or organic sulfate anionic surfactant (B) to form an initial emulsion having a mean particle size of up to 300 nm, and effecting polymerization reaction, followed by neutralization.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.