Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
CHLOROPRENE GRAFT COPOLYMER LATEX, METHOD FOR PRODUCING SAME, BONDING AGENT AND ADHESIVE
Document Type and Number:
WIPO Patent Application WO/2018/030210
Kind Code:
A1
Abstract:
Provided is a method for producing a chloroprene graft copolymer latex that exhibits high adhesive power even to a soft polyvinyl chloride without containing an organic solvent. This method for producing a chloroprene graft copolymer latex comprises: a chloroprene polymerization step for obtaining a chloroprene polymer latex; and a graft copolymerization step for obtaining a chloroprene graft copolymer latex. The chloroprene polymerization step is a step for causing radical emulsion polymerization of at least chloroprene (A-1) among the chloroprene (A-1) and monomers (A-2) that are copolymerizable with the chloroprene (A-1). The graft copolymerization step is a step for adding a (meth)acrylate (B) and an organic peroxide (C) that has an octanol/water partition coefficient within the range of from -2.0 to 3.0 (inclusive) to the chloroprene polymer latex and having the (meth)acrylate (B) graft-copolymerized to the chloroprene polymer at a temperature of from 10°C to 40°C (inclusive).

Inventors:
SEKIOKA Naoki (13-9 Shibadaimon 1-chome, Minato-k, Tokyo 18, 〒1058518, JP)
OHGUMA Yuya (13-9 Shibadaimon 1-chome, Minato-k, Tokyo 18, 〒1058518, JP)
KAMIJO Masanao (13-9 Shibadaimon 1-chome, Minato-k, Tokyo 18, 〒1058518, JP)
TAKENOSHITA Yoichiro (13-9 Shibadaimon 1-chome, Minato-k, Tokyo 18, 〒1058518, JP)
Application Number:
JP2017/027847
Publication Date:
February 15, 2018
Filing Date:
August 01, 2017
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
SHOWA DENKO K.K. (13-9, Shibadaimon 1-chome Minato-k, Tokyo 18, 〒1058518, JP)
International Classes:
C08F279/02; C09J111/02; C09J151/04
Foreign References:
JPS4943277B11974-11-20
JPS61181880A1986-08-14
JPH01284544A1989-11-15
JPH09506133A1997-06-17
JPS61243814A1986-10-30
JPS61275315A1986-12-05
JPS61275316A1986-12-05
JPH01121379A1989-05-15
JPH01123882A1989-05-16
JPH02265910A1990-10-30
JPH0586347A1993-04-06
Attorney, Agent or Firm:
MORI Tetsuya et al. (NICHIEI Patent and Trademark Attorneys, Shiroyama Trust Tower 32F 3-1, Toranomon 4-chome, Minato-k, Tokyo 32, 〒1056032, JP)
Download PDF: