Process for the preparation of crosslinked copolymers, the process products obtained, and their use in textile printing

US4237249A · kind A · utility

Assignee

• Cassella Aktiengesellschaft · DE

Inventors

• Juliane Balzer · Frankfurt am Main, DE
• Friedrich Engelhardt · Frankfurt, DE
• Joachim Ribka · Offenbach am Main, DE
• Wolfram Schidlo · Hofheim, DE

Key dates

• Filing date: Dec 1, 1978
• Grant date: Dec 2, 1980
• Expiry date: Dec 1, 1998

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08J5/18
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

A crosslinked copolymer useful in textile printing is prepared by PA0 (a) polymerizing in the presence of a radical initiator in a water-miscible alkanol k mole percent acrylamide with 0 to 45 mole percent of a compound of the formula ##STR1## and 0.1 to 20 mole percent of a crosslinked agent wherein k is 99.9 to 50, R.sup.2 and R.sup.3 are hydrogen or methyl with the proviso that only one of R.sup.2 and R.sup.3 may be simultaneously methyl, and I is a member selected from the group consisting of cyano, alkoxy carbonyl having a total of 1 to 9 carbon atoms, alkoxy carbonyl with hydroxy substituted alkoxy moiety having 2 to 8 carbon atoms in the hydroxy substituted alkoxy; alkanoyloxy having a total of 2 to 6 carbon atoms, alkanoylamino having a total of 2 to 8 carbon atoms, cyclic alkanoylamino having a total of 4 to 8 carbon atoms, phenyl and trialkoxysilyl having 1 to 2 carbon atoms in the alkoxy; PA0 (b) mixing the polymer from (a) with p mole percent of a hydroxide of the formula MOH wherein p is 5 to k and M is an alkali metal; and PA0 (c) saponifying the polymer mixture from (b) at 30 to 150.degree. C. until p mole percent of amine moieties are saponified to --COOM; PA0 (d) r…