Nitrogen-containing condensation products based on unmodified or modified natural resins, process for the preparation thereof and the use thereof
US4939238A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Jun 22, 1988 |
| Grant date | Jul 3, 1990 |
| Priority date | — |
| Expiry date | Jun 22, 2008 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09K23/52
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Nitrogen-containing condensation products based on unmodified or modified natural resins, process for the preparation thereof and the use thereof. The invention relates to surface-active agents of the general formula EQU A--[(X--O).sub.n --Y--Z].sub.m in which A is a radical of an unmodified or modified natural resin or esterification product thereof with a polyhydric alcohol, X is 1,2-ethylene or -propylene, Y is as defined for X or is --CH.sub.2 CHOHCH.sub.2 --, Z is OH or (Ia) EQU (--NH--Q).sub.a --NR--(Q--NH--).sub.b H (Ia) in which R is H or C.sub.1 -C.sub.24 --alkyl or (--CH.sub.2 CH.sub.2 O).sub.p --H, with p being 1 to 100, or (--Q--NH).sub.c --H, Q is C.sub.1 -C.sub.24 ---alkylene which can be interrupted by oxygen atoms, a is 0-5 and c is 0-5, PA1 at least one Z being other than OH, PA1 n is 0 to 150 and PA1 m is 1 to 5. The compounds are obtained by alkoxylating resins or esterification products thereof with polyhydric alcohols and, after conversion of hydroxyl groups into suitable leaving groups, reacting the products of with amines of the formula Z-H. The products are suitable above all as coupling auxiliaries, dispersants and formulating agents for colorants.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.