Method for preparing condensation polymers by emulsion polymerization
US4355154A · kind A · utility
20Cited by
2References
40Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 6, 1981 |
| Grant date | Oct 19, 1982 |
| Priority date | — |
| Expiry date | Oct 6, 2001 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G63/78
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Polyesters are prepared by reacting aqueous compositions containing an emulsified hydroxyacid or an emulsified mixture comprising a polyfunctional carboxylic acid or anhydride and a polyfunctional alcohol. The emulsion also contains a suitable polycondensation catalyst. The resultant polyesters are useful as plasticizers and as precursors for alkyd resins and other polymers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.