KR900001739A - Crosslinked Resin Particles and Manufacturing Method Thereof - Google Patents

Abstract

No content

Description

Crosslinked resin particle and its manufacturing method.

Since this is an open matter, no full text was included.

Claims (19)

A method for producing crosslinked resin particles, characterized in that the resin having both a water dispersible function and a self-crosslinking function is dispersed in an aqueous medium and then crosslinked in three dimensions. The resin as set forth in claim 1, wherein said resin having both water dispersible function and self-crosslinking function is an adduct of aminated polybutadiene and methacrylic acid, or 1 of maleic acid polybutadiene and 2-hydroxyethyl methacrylate. / 2 ester. The method of claim 1 wherein the three-dimensional crosslinking described above is aided by a crosslinking catalyst or polymerization initiator. An aqueous emulsion containing the crosslinked resin particles according to claim 1. Crosslinking characterized by dispersing a resin having both a water dispersible function and a self-crosslinking function in one molecule in an aqueous medium, three-dimensionally crosslinking, and then separating the three-dimensionally crosslinked resin from the aqueous medium. Method of producing resin particles. 6. The resin according to claim 5, wherein the above-mentioned resin, which has both a water dispersible function and a self-crosslinking function, is an adduct of aminated polybutadiene and methacrylic acid, or a maleic acid polybutadiene and 2-hydroxyethyl methacrylate. A half ester. 6. The process of claim 5 wherein the three-dimensional crosslinking described above is aided by a catalyst or polymerization initiator. A process for producing an aqueous emulsion containing a crosslinked resin indenter, wherein the resin particles according to any one of claims 5 and 6 are redispersed in an aqueous medium. Cationic crosslinked resin particles prepared by dispersing or emulsifying a cationic aqueous resin (A) and at least two polymerizable vinyl groups and a resin (B) having a number average molecular weight of 400 to 20,000 in an aqueous medium, followed by radical polymerization. Aqueous dispersion. The aqueous dispersion according to claim 9, wherein the cationic aqueous resin (A) described above is an epoxy resin having an amino group or a polybutadiene resin having an amino group. The aqueous dispersion according to claim 9, wherein the cationic aqueous resin (A) described above further contains a polymerizable vinyl group. 10. The aqueous dispersion of claim 9, wherein the resin (B) described above is crosslinkable at a temperature of 100 ° C. or less under normal pressure. 10. The aqueous acid solution according to claim 9, wherein the aforementioned crosslinking reaction is carried out in the presence of a radical polymerization catalyst. Cationic crosslinks characterized by dispersing or emulsifying a cationic aqueous resin (A) and at least two polymerizable vinyl groups and a resin (B) having a number average molecular weight of 400-20,000 in an aqueous medium, followed by radical polymerization Method for producing an aqueous dispersion of resin particles. The aqueous dispersion according to claim 14, wherein the aforementioned cationic aqueous resin (A0 is an epoxy resin having an amino group or a polybutadiene resin having an amino group). The aqueous dispersion according to claim 14, wherein the cationic aqueous resin (A) described above further contains a polymerizable vinyl group. The aqueous dispersion according to claim 14, wherein the resin (B) described above is crosslinkable at a temperature of 100 ° C or lower under normal pressure. The aqueous acid solution according to claim 14, wherein the above-mentioned crosslinking reaction is carried out in the presence of a radical polymerization catalyst. An aqueous coating composition containing an aqueous dispersion of the cationic crosslinked resin particles according to claim 9. ※ Note: The disclosure is based on the initial application.