JPS5594904A - Preparation of acetoacetylated polyvinyl alcohol resin - Google Patents

Preparation of acetoacetylated polyvinyl alcohol resin

Info

Publication number
JPS5594904A
JPS5594904A JP201179A JP201179A JPS5594904A JP S5594904 A JPS5594904 A JP S5594904A JP 201179 A JP201179 A JP 201179A JP 201179 A JP201179 A JP 201179A JP S5594904 A JPS5594904 A JP S5594904A
Authority
JP
Japan
Prior art keywords
polyvinyl alcohol
alcohol resin
preparation
diketene
acetoacetylated polyvinyl
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
JP201179A
Other languages
Japanese (ja)
Other versions
JPS5745761B2 (en
Inventor
Koichi Kobayashi
Keizo Matsushiro
Shuji Tsutsumi
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.)
Nippon Synthetic Chemical Industry Co Ltd
Original Assignee
Nippon Synthetic Chemical Industry 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 Nippon Synthetic Chemical Industry Co Ltd filed Critical Nippon Synthetic Chemical Industry Co Ltd
Priority to JP201179A priority Critical patent/JPS5594904A/en
Publication of JPS5594904A publication Critical patent/JPS5594904A/en
Publication of JPS5745761B2 publication Critical patent/JPS5745761B2/ja
Granted legal-status Critical Current

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  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)

Abstract

PURPOSE: To prepare a low-cost acetoacetylated polyvinyl alcohol resin by a method wherein liquid diketene is added to and reacted with a polyvinyl alcohol resin powder and unreacted diketene is easily removed.
CONSTITUTION: To polyvinyl alcohol resin powder with particle size of 50W450 mesh which contains 0.1W1.0wt% of a catalyst such as sodium acetate or primary amines and, if necessary, a non-solvent such as acetone or hexane is adsorbed and occluded and, thereafter liquid diketene is added by spraying under an inert gas atmosphere and reacted at 20W120°C while stirring of fluidizing operation is carried out for a predetermined period.
COPYRIGHT: (C)1980,JPO&Japio
JP201179A 1979-01-10 1979-01-10 Preparation of acetoacetylated polyvinyl alcohol resin Granted JPS5594904A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP201179A JPS5594904A (en) 1979-01-10 1979-01-10 Preparation of acetoacetylated polyvinyl alcohol resin

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP201179A JPS5594904A (en) 1979-01-10 1979-01-10 Preparation of acetoacetylated polyvinyl alcohol resin

Publications (2)

Publication Number Publication Date
JPS5594904A true JPS5594904A (en) 1980-07-18
JPS5745761B2 JPS5745761B2 (en) 1982-09-29

Family

ID=11517424

Family Applications (1)

Application Number Title Priority Date Filing Date
JP201179A Granted JPS5594904A (en) 1979-01-10 1979-01-10 Preparation of acetoacetylated polyvinyl alcohol resin

Country Status (1)

Country Link
JP (1) JPS5594904A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1158007A1 (en) * 2000-05-25 2001-11-28 The Nippon Synthetic Chemical Industry Co., Ltd. Redispersible synthetic resin powder and use thereof
JP2002308928A (en) * 2001-04-18 2002-10-23 Nippon Synthetic Chem Ind Co Ltd:The Method for manufacturing acetoacetate group-containing polyvinyl alcohol resin
US8664333B2 (en) 2005-08-22 2014-03-04 The Nippon Synthetic Chemical Industry Co., Ltd. Acetoacetic ester group-containing polyvinyl alcohol-based resin, resin composition, and uses thereof
JP2014139000A (en) * 2012-11-19 2014-07-31 Nippon Synthetic Chem Ind Co Ltd:The Heat-sensitive recording medium, and coating liquid for forming heat-sensitive color developing layer

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1158007A1 (en) * 2000-05-25 2001-11-28 The Nippon Synthetic Chemical Industry Co., Ltd. Redispersible synthetic resin powder and use thereof
JP2002308928A (en) * 2001-04-18 2002-10-23 Nippon Synthetic Chem Ind Co Ltd:The Method for manufacturing acetoacetate group-containing polyvinyl alcohol resin
JP4627381B2 (en) * 2001-04-18 2011-02-09 日本合成化学工業株式会社 Method for producing acetoacetate group-containing polyvinyl alcohol resin
US8664333B2 (en) 2005-08-22 2014-03-04 The Nippon Synthetic Chemical Industry Co., Ltd. Acetoacetic ester group-containing polyvinyl alcohol-based resin, resin composition, and uses thereof
JP2014139000A (en) * 2012-11-19 2014-07-31 Nippon Synthetic Chem Ind Co Ltd:The Heat-sensitive recording medium, and coating liquid for forming heat-sensitive color developing layer

Also Published As

Publication number Publication date
JPS5745761B2 (en) 1982-09-29

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