JPS56103210A - Preparation of water-soluble cationic polymer - Google Patents

Preparation of water-soluble cationic polymer

Info

Publication number
JPS56103210A
JPS56103210A JP545480A JP545480A JPS56103210A JP S56103210 A JPS56103210 A JP S56103210A JP 545480 A JP545480 A JP 545480A JP 545480 A JP545480 A JP 545480A JP S56103210 A JPS56103210 A JP S56103210A
Authority
JP
Japan
Prior art keywords
cationic polymer
water
soluble cationic
methyl
salt
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP545480A
Other languages
Japanese (ja)
Inventor
Naomitsu Takashina
Shigeru Shiokawa
Naoki Iwasaki
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Gas Chemical Co Inc
Original Assignee
Mitsubishi Gas Chemical Co Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitsubishi Gas Chemical Co Inc filed Critical Mitsubishi Gas Chemical Co Inc
Priority to JP545480A priority Critical patent/JPS56103210A/en
Publication of JPS56103210A publication Critical patent/JPS56103210A/en
Pending legal-status Critical Current

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  • Polymerisation Methods In General (AREA)
  • Polymerization Catalysts (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)

Abstract

PURPOSE: To obtain a water-soluble cationic polymer having a high molecular weight in a short polymerization time, by polymerizing a methacrylic or acrylic ester in an aqueous solution in the presence of a specific polymerization initiator and a metallic salt.
CONSTITUTION: A salt, e.g. a sulfate, of a metal selected from the group consisting of iron, copper, tin(II), manganese and cerium in an amount of preferably 0.1W 300ppm based on a monomer is added to an aqueous solution of the monomer, e.g. dimethylaminoethyl acylate, expressed by the formula (R1 is H or methyl; R2 is H, methyl or ethyl; R3 and R4 are methyl or ethyl; A is ethylene, etc; X is electronegative group capable of forming a salt with an ammoniacal nitrogen). The mixture is then polymerized in the presence of preferably 100W6,000ppm 2,2'-azobis(2- amidinopropane)dihydrochloride as a polymerization initiator and preferably 10W 300ppm(acidic) sodium sulfite at 15W50°C to give the aimed water-soluble cationic polymer.
COPYRIGHT: (C)1981,JPO&Japio
JP545480A 1980-01-21 1980-01-21 Preparation of water-soluble cationic polymer Pending JPS56103210A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP545480A JPS56103210A (en) 1980-01-21 1980-01-21 Preparation of water-soluble cationic polymer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP545480A JPS56103210A (en) 1980-01-21 1980-01-21 Preparation of water-soluble cationic polymer

Publications (1)

Publication Number Publication Date
JPS56103210A true JPS56103210A (en) 1981-08-18

Family

ID=11611658

Family Applications (1)

Application Number Title Priority Date Filing Date
JP545480A Pending JPS56103210A (en) 1980-01-21 1980-01-21 Preparation of water-soluble cationic polymer

Country Status (1)

Country Link
JP (1) JPS56103210A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57121007A (en) * 1981-01-21 1982-07-28 Mitsui Toatsu Chem Inc Preparation of water-soluble polymer
JPS60177010A (en) * 1984-02-21 1985-09-11 Mitsubishi Chem Ind Ltd Preparation of polyacrylamide

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57121007A (en) * 1981-01-21 1982-07-28 Mitsui Toatsu Chem Inc Preparation of water-soluble polymer
JPH0118936B2 (en) * 1981-01-21 1989-04-07 Mitsui Toatsu Chemicals
JPS60177010A (en) * 1984-02-21 1985-09-11 Mitsubishi Chem Ind Ltd Preparation of polyacrylamide
JPH0546366B2 (en) * 1984-02-21 1993-07-13 Mitsubishi Chem Ind

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