JPS57209906A - Emulsion polymerization - Google Patents

Emulsion polymerization

Info

Publication number
JPS57209906A
JPS57209906A JP9548081A JP9548081A JPS57209906A JP S57209906 A JPS57209906 A JP S57209906A JP 9548081 A JP9548081 A JP 9548081A JP 9548081 A JP9548081 A JP 9548081A JP S57209906 A JPS57209906 A JP S57209906A
Authority
JP
Japan
Prior art keywords
modified pva
emulsion
vinyl
vinyl ester
aid
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
JP9548081A
Other languages
Japanese (ja)
Other versions
JPS6344768B2 (en
Inventor
Toshiyuki Akazawa
Koichi Kajitani
Makoto Shiraishi
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.)
Kuraray Co Ltd
Original Assignee
Kuraray Co Ltd
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 Kuraray Co Ltd filed Critical Kuraray Co Ltd
Priority to JP9548081A priority Critical patent/JPS57209906A/en
Publication of JPS57209906A publication Critical patent/JPS57209906A/en
Publication of JPS6344768B2 publication Critical patent/JPS6344768B2/ja
Granted legal-status Critical Current

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

Abstract

PURPOSE: To obtain a resin emulsion having a low viscosity increase at low temperatures, excellent low temperature stability and a low shear rate dependency of viscosity, by emulsion-polymerizing a vinyl ester with the aid of a specified modified PVA as a protective colloid.
CONSTITUTION: A modified PVA, saponification degree ≥80mol%, polymerization degree 300W3,000, is prepared by saponifying a copolymer consisting of (A) 0.1W10mol% 5C or higher fatty acid vinyl ester (e.g., vinyl caprylate), (B) 0.2W 10mol% olefinsulfonate (e.g., sodium allylsulfonate) and vinyl acetate. Then, a vinyl ester (e.g., vinyl acetate) is emulsion-polymerized in an aqueous phase in the presence of a polymerization initiator with the aid of the above-produced modified PVA as a protective colloid.
COPYRIGHT: (C)1982,JPO&Japio
JP9548081A 1981-06-19 1981-06-19 Emulsion polymerization Granted JPS57209906A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9548081A JPS57209906A (en) 1981-06-19 1981-06-19 Emulsion polymerization

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9548081A JPS57209906A (en) 1981-06-19 1981-06-19 Emulsion polymerization

Publications (2)

Publication Number Publication Date
JPS57209906A true JPS57209906A (en) 1982-12-23
JPS6344768B2 JPS6344768B2 (en) 1988-09-06

Family

ID=14138774

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9548081A Granted JPS57209906A (en) 1981-06-19 1981-06-19 Emulsion polymerization

Country Status (1)

Country Link
JP (1) JPS57209906A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003002978A (en) * 2001-06-26 2003-01-08 Nippon Synthetic Chem Ind Co Ltd:The Redispersable synthetic resin powder and use thereof
CN106715492A (en) * 2014-07-14 2017-05-24 株式会社可乐丽 Polyvinyl alcohol, and aqueous emulsion, adhesive, and emulsion polymerization dispersant comprising same
US11339228B2 (en) 2017-07-24 2022-05-24 Wacker Chemie Ag Dispersion powder composition containing vinyl alcohol copolymerisate

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU631985B2 (en) * 1990-04-05 1992-12-10 Kuraray Co., Ltd. Suspension polymerization of vinylic compound
WO2019020156A1 (en) * 2017-07-24 2019-01-31 Wacker Chemie Ag Hydrophobic and cold water-soluble vinyl alcohol copolymers

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003002978A (en) * 2001-06-26 2003-01-08 Nippon Synthetic Chem Ind Co Ltd:The Redispersable synthetic resin powder and use thereof
CN106715492A (en) * 2014-07-14 2017-05-24 株式会社可乐丽 Polyvinyl alcohol, and aqueous emulsion, adhesive, and emulsion polymerization dispersant comprising same
US11339228B2 (en) 2017-07-24 2022-05-24 Wacker Chemie Ag Dispersion powder composition containing vinyl alcohol copolymerisate

Also Published As

Publication number Publication date
JPS6344768B2 (en) 1988-09-06

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