JPS6467261A - Liquid cation-exchange material, weakly acidic cation-exchange resin and method for manufacturing them - Google Patents

Liquid cation-exchange material, weakly acidic cation-exchange resin and method for manufacturing them

Info

Publication number
JPS6467261A
JPS6467261A JP63089170A JP8917088A JPS6467261A JP S6467261 A JPS6467261 A JP S6467261A JP 63089170 A JP63089170 A JP 63089170A JP 8917088 A JP8917088 A JP 8917088A JP S6467261 A JPS6467261 A JP S6467261A
Authority
JP
Japan
Prior art keywords
beads
cation exchange
functional group
emulsion
cation
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.)
Granted
Application number
JP63089170A
Other languages
Japanese (ja)
Other versions
JPH0131936B2 (en
Inventor
Patorishia Chiyon Beruni
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.)
Rohm and Haas Co
Original Assignee
Rohm and Haas Co
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
Priority claimed from US05/943,889 external-priority patent/US4380590A/en
Priority claimed from US05/944,052 external-priority patent/US4359537A/en
Application filed by Rohm and Haas Co filed Critical Rohm and Haas Co
Publication of JPS6467261A publication Critical patent/JPS6467261A/en
Publication of JPH0131936B2 publication Critical patent/JPH0131936B2/ja
Granted legal-status Critical Current

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

Abstract

PURPOSE: To facilitate direct functionalization by preparing a liquid cation exchange material with an emulsion of beads of a crosslinked copolymer having a spherical shape of 0.1 to 1.5 μ in diameter and having a cation exchange functional group of a specific group. CONSTITUTION: The crosslinked acrylate copolymer beads are formed by emulsion polymn. of the majority ratio of an acrylate monomer and a small ratio of an ethylenically unsatd. monomer. The ester bond of the beads is hydrolyzed by a strong acid to form the carboxylic acid cation exchange functional group of a free acid type and similarly to form the coagulum of the functionalized copolymer beads and thereafter, the coagulum is resuspended, by which the emulsion of the copolymer beads is prepd. The functionalized copolymer beads have the spherical shape having a diameter of 0.01 to 1.5 μm and have the cation exchange functional group in the free acid form of the weakly acidic functional group of 0.7 to 1.5 per monomer unit.
JP63089170A 1978-09-19 1988-04-13 Liquid cation-exchange material, weakly acidic cation-exchange resin and method for manufacturing them Granted JPS6467261A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US05/943,889 US4380590A (en) 1978-09-19 1978-09-19 Emulsion copolymer cation exchange resins
US05/944,052 US4359537A (en) 1978-09-19 1978-09-19 Emulsion copolymer anion exchange resins

Publications (2)

Publication Number Publication Date
JPS6467261A true JPS6467261A (en) 1989-03-13
JPH0131936B2 JPH0131936B2 (en) 1989-06-28

Family

ID=27130187

Family Applications (1)

Application Number Title Priority Date Filing Date
JP63089170A Granted JPS6467261A (en) 1978-09-19 1988-04-13 Liquid cation-exchange material, weakly acidic cation-exchange resin and method for manufacturing them

Country Status (1)

Country Link
JP (1) JPS6467261A (en)

Also Published As

Publication number Publication date
JPH0131936B2 (en) 1989-06-28

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