JPS5690804A - Production of porous crosslinked polyvinyl alcohol - Google Patents

Production of porous crosslinked polyvinyl alcohol

Info

Publication number
JPS5690804A
JPS5690804A JP16889679A JP16889679A JPS5690804A JP S5690804 A JPS5690804 A JP S5690804A JP 16889679 A JP16889679 A JP 16889679A JP 16889679 A JP16889679 A JP 16889679A JP S5690804 A JPS5690804 A JP S5690804A
Authority
JP
Japan
Prior art keywords
pva
salt
suspending
porous crosslinked
component
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
JP16889679A
Other languages
Japanese (ja)
Other versions
JPH0125761B2 (en
Inventor
Koji Itagaki
Eiryo Ouchi
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 Kasei Corp
Original Assignee
Mitsubishi Kasei Corp
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 Kasei Corp filed Critical Mitsubishi Kasei Corp
Priority to JP16889679A priority Critical patent/JPS5690804A/en
Publication of JPS5690804A publication Critical patent/JPS5690804A/en
Publication of JPH0125761B2 publication Critical patent/JPH0125761B2/ja
Granted legal-status Critical Current

Links

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  • Compositions Of Macromolecular Compounds (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)

Abstract

PURPOSE: To obtain a porous crosslinked PVA useful as a packing material for chromatography, by disslving or suspending a salt in an aqueous PVA solution, adding to and reacting with the resulting solution or suspension, a crosslinking agent, and if necessary, extracting the salt from the reaction product.
CONSTITUTION: A porous crosslinked PVA having a specific area of above 0.1m2/g is obtained by dissolving or finely suspending in (A) an aqueous PVA solution in which a linear PVA is dissolved, (B) a salt such as NaCl or CaSO4, adding (C) a crosslinking agent such as glutaraldehyde to the resulting solution or suspension, suspending the resulting mixture in (D) an oil dispersing medium such as toluene, reacting the final dispersion and if necessary, extracting the salt from the reaction product. As component A, there is used an aqueous solution prepared by dissolving a linear PVA having a polymerization degree of several tens to several thousands and a saponification degree of at least 50mol%, in an amount to provide a 2W30% concentration. Component C is used usually in an amount of at least 5mol% based on OH groups of component A.
COPYRIGHT: (C)1981,JPO&Japio
JP16889679A 1979-12-25 1979-12-25 Production of porous crosslinked polyvinyl alcohol Granted JPS5690804A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16889679A JPS5690804A (en) 1979-12-25 1979-12-25 Production of porous crosslinked polyvinyl alcohol

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16889679A JPS5690804A (en) 1979-12-25 1979-12-25 Production of porous crosslinked polyvinyl alcohol

Publications (2)

Publication Number Publication Date
JPS5690804A true JPS5690804A (en) 1981-07-23
JPH0125761B2 JPH0125761B2 (en) 1989-05-19

Family

ID=15876570

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16889679A Granted JPS5690804A (en) 1979-12-25 1979-12-25 Production of porous crosslinked polyvinyl alcohol

Country Status (1)

Country Link
JP (1) JPS5690804A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4598122A (en) * 1985-01-22 1986-07-01 Ciba-Geigy Corporation Polyoxirane crosslinked polyvinyl alcohol hydrogel contact lens
FR2596404A1 (en) * 1986-03-27 1987-10-02 Lhd Lab Hygiene Dietetique Hydrogel, process of preparation and use in the field of dressings
EP0256293A2 (en) * 1986-07-09 1988-02-24 Mitsubishi Kasei Corporation Process for producing porous cross-linked polyvinyl alcohol particles
US4802740A (en) * 1985-02-13 1989-02-07 Canon Kabushiki Kaisha Liquid crystal alignment layer containing polyvinyl-alcohol and titanium-alkoxide
JP2011184494A (en) * 2010-03-05 2011-09-22 Yokohama Rubber Co Ltd:The Tire tread rubber composition and pneumatic tire using the same
WO2019132029A1 (en) * 2017-12-28 2019-07-04 株式会社クラレ Super-absorbent polymer and water-retention material for agriculture

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4990795A (en) * 1972-12-30 1974-08-29

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4990795A (en) * 1972-12-30 1974-08-29

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4598122A (en) * 1985-01-22 1986-07-01 Ciba-Geigy Corporation Polyoxirane crosslinked polyvinyl alcohol hydrogel contact lens
US4802740A (en) * 1985-02-13 1989-02-07 Canon Kabushiki Kaisha Liquid crystal alignment layer containing polyvinyl-alcohol and titanium-alkoxide
FR2596404A1 (en) * 1986-03-27 1987-10-02 Lhd Lab Hygiene Dietetique Hydrogel, process of preparation and use in the field of dressings
EP0256293A2 (en) * 1986-07-09 1988-02-24 Mitsubishi Kasei Corporation Process for producing porous cross-linked polyvinyl alcohol particles
JP2011184494A (en) * 2010-03-05 2011-09-22 Yokohama Rubber Co Ltd:The Tire tread rubber composition and pneumatic tire using the same
WO2019132029A1 (en) * 2017-12-28 2019-07-04 株式会社クラレ Super-absorbent polymer and water-retention material for agriculture

Also Published As

Publication number Publication date
JPH0125761B2 (en) 1989-05-19

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