Acid esters of propylene oxide poly-adducts
US4200585A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jun 29, 1978 |
| Grant date | Apr 29, 1980 |
| Priority date | — |
| Expiry date | Jun 29, 1998 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G65/33396
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Acid esters of propylene oxide poly-adducts and their salts, which are obtained by an addition reaction of PA1 (a) propylene oxide with PA1 (b) a polyfunction amine, which contains 2 to 9 carbon atoms and at least a second reactive amino group or at least one hydroxyl group, and esterification of the poly-adduct with PA1 (c) an oxy-acid which is at least dibasic or with a functional derivative of this acid and, if appropriate, by conversion of the resulting acid ester into a salt. These acid esters of propylene oxide poly-adducts are particularly effective as dyeing auxiliaries, especially as dispersing and levelling agents for dyeing synthetic fibres and primarily for dyeing linear polyester fibres.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.