JPS6414205A - Production of highly water-absorbing resin - Google Patents

Production of highly water-absorbing resin

Info

Publication number
JPS6414205A
JPS6414205A JP62168481A JP16848187A JPS6414205A JP S6414205 A JPS6414205 A JP S6414205A JP 62168481 A JP62168481 A JP 62168481A JP 16848187 A JP16848187 A JP 16848187A JP S6414205 A JPS6414205 A JP S6414205A
Authority
JP
Japan
Prior art keywords
added
phase
suspension polymerization
radical
polymerization
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
JP62168481A
Other languages
Japanese (ja)
Other versions
JPH0623218B2 (en
Inventor
Yoshiharu Hashiguchi
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.)
Harima Chemical Inc
Original Assignee
Harima Chemical 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 Harima Chemical Inc filed Critical Harima Chemical Inc
Priority to JP62168481A priority Critical patent/JPH0623218B2/en
Publication of JPS6414205A publication Critical patent/JPS6414205A/en
Publication of JPH0623218B2 publication Critical patent/JPH0623218B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F20/00—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride, ester, amide, imide or nitrile thereof
    • C08F20/02—Monocarboxylic acids having less than ten carbon atoms, Derivatives thereof
    • C08F20/04—Acids, Metal salts or ammonium salts thereof
    • C08F20/06—Acrylic acid; Methacrylic acid; Metal salts or ammonium salts thereof

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polymerisation Methods In General (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)

Abstract

PURPOSE:To obtain efficiently the title resin which has excellent gel strength and water-absorbing power and a high rate of water-absorption, by carrying out a reversed-phase suspension polymerization of an alkali metal acrylate, wherein a polymer having an OH-radical is used as a dispersant and a cross- linking monomer is added in the solvent phase of reversed-phase suspension polymerization. CONSTITUTION:A polymer having an OH-radical, which is a copolymer of 2-hydroxyethylmethacrylate and an ester of methacrylic acid with a 4-18C alkyl alcohol, is added in an organic solvent such as cyclohexane as a dispersant, and further acrylic acid and/or alkali metal acrylate (e.g., acrylic acid and sodium acrylate) and distilled water are added to that suspension. Then, a solution of a cross-linking monomer, which is selected from among glycidyl methacrylate, methacrylic ester having an OH-radical, etc., in, e.g., cyclohexane is added to the aforementioned organic solvent serving as the solvent phase of reverse-phase suspension polymerization, and a reverse-phase suspension polymerization is carried out in the presence of a polymerization initiator. After the polymerization is finished, polymerized particles are separated and dried.
JP62168481A 1987-07-06 1987-07-06 Super absorbent resin manufacturing method Expired - Lifetime JPH0623218B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62168481A JPH0623218B2 (en) 1987-07-06 1987-07-06 Super absorbent resin manufacturing method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62168481A JPH0623218B2 (en) 1987-07-06 1987-07-06 Super absorbent resin manufacturing method

Publications (2)

Publication Number Publication Date
JPS6414205A true JPS6414205A (en) 1989-01-18
JPH0623218B2 JPH0623218B2 (en) 1994-03-30

Family

ID=15868892

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62168481A Expired - Lifetime JPH0623218B2 (en) 1987-07-06 1987-07-06 Super absorbent resin manufacturing method

Country Status (1)

Country Link
JP (1) JPH0623218B2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001002726A (en) * 1999-06-17 2001-01-09 Mitsubishi Chemicals Corp Production of water-absorbing resin

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56131608A (en) * 1980-03-19 1981-10-15 Seitetsu Kagaku Co Ltd Production of acrylic acid polymer having excellent absorptive capacity for saline water
JPS60186506A (en) * 1984-03-05 1985-09-24 Kao Corp Preparation of highly water absorbing polymer

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56131608A (en) * 1980-03-19 1981-10-15 Seitetsu Kagaku Co Ltd Production of acrylic acid polymer having excellent absorptive capacity for saline water
JPS60186506A (en) * 1984-03-05 1985-09-24 Kao Corp Preparation of highly water absorbing polymer

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001002726A (en) * 1999-06-17 2001-01-09 Mitsubishi Chemicals Corp Production of water-absorbing resin

Also Published As

Publication number Publication date
JPH0623218B2 (en) 1994-03-30

Similar Documents

Publication Publication Date Title
GB834346A (en) Impact-resistant synthetic resinous compositions
ATE49983T1 (en) PROCESS FOR PRODUCTION OF COPOLYMERS.
GB1435966A (en) Process for producing hydrophilic polymers containing -cn groups
CA2032200A1 (en) Method of forming shaped hydrogel articles including contact lenses
GB1430902A (en) Process for preparing acrylate polymers
EP0142172A3 (en) Composition usable as adhesive
GB1430782A (en) Process for manufacutring amphoteric ion exchange resins
GB1131407A (en) Cast polymerization process
GB1178010A (en) Process for producing Molded Synthetic Resin Articles
GB1205765A (en) Method for the preparation of a hydrophilic polymer
GB1002438A (en) Rigid polymer structures and methods for producing them
JPS6414205A (en) Production of highly water-absorbing resin
EP0342052A3 (en) Novel monomers for producing coloured polymers; coloured polymers; process for preparing said polymers and for separating substances biologically active trough the use of said polymers
ES2030001T3 (en) POLYMERIZATION IN SOLUTION OF MONOMERS DERIVED FROM ACRYLIC ACID USING TERTIAL ALKYL HYDROPEROXIDES (C5).
EP0882746A3 (en) Process for producing fluorine-containing acrylic or methacrylic polymers
DK160836C (en) PROCEDURE FOR THE PREPARATION OF A HYDROPHILIC POLYMER IN GEL FOR USE IN THE PREPARATION OF BLOOD CONTACT LENSES
SE7613949L (en) FINE-PERCOME COPOLYMER DISPERSIONS AND PROCEDURES FOR THEIR PREPARATION
JPS5536273A (en) Production of macromolecular material with high water-absorbing property
JPS572374A (en) Pressure-sensitive adhesive composition
EP0381432A3 (en) Preparation of large beads of a styrene copolymer
DE60031287D1 (en) METHOD AND KIT FOR THE PRODUCTION OF DISCONNECTED JOINTS
JPS57212282A (en) Adhesive curable with electron rays
EP0136439A3 (en) Acrylic polymers of intermediate molecular weight
JPS5630402A (en) Preparation of ibuprofen slow-release composition
GB569684A (en) Process of preparing cast synthetic resin articles