JPS5736153A - Aqueous dispersion of urethane-modified vinyl polymer, and preparation of said aqueous dispersion - Google Patents

Aqueous dispersion of urethane-modified vinyl polymer, and preparation of said aqueous dispersion

Info

Publication number
JPS5736153A
JPS5736153A JP11120980A JP11120980A JPS5736153A JP S5736153 A JPS5736153 A JP S5736153A JP 11120980 A JP11120980 A JP 11120980A JP 11120980 A JP11120980 A JP 11120980A JP S5736153 A JPS5736153 A JP S5736153A
Authority
JP
Japan
Prior art keywords
water
vinyl polymer
polymer
urethane
aqueous dispersion
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
JP11120980A
Other languages
Japanese (ja)
Other versions
JPS6314723B2 (en
Inventor
Shigehiko Yoshioka
Iwao Sugiyama
Yoshinobu Nagai
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.)
Seiko Kagaku Kogyo Co Ltd
Original Assignee
Seiko Kagaku Kogyo 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 Seiko Kagaku Kogyo Co Ltd filed Critical Seiko Kagaku Kogyo Co Ltd
Priority to JP11120980A priority Critical patent/JPS5736153A/en
Publication of JPS5736153A publication Critical patent/JPS5736153A/en
Publication of JPS6314723B2 publication Critical patent/JPS6314723B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Polyurethanes Or Polyureas (AREA)
  • Paints Or Removers (AREA)

Abstract

PURPOSE: To prepare a dispersion having excellent stability and giving a water- resistant and weather-resistant film, by dispersing a polymer derived from a vinyl polymer containing hydroxyl groups and carboxyl groups and a urethane polymer containing isocyanate groups in an aqueous solvent containing an alkaline substance.
CONSTITUTION: (A) A urethane-modified vinyl polymer having an acid value of 20W200 and obtained by the thermal reaction of (a) a vinyl polymer having hydroxyl groups and carboxyl groups (esp. an acrylic polymer having an acid value of 30W250) and (b) a urethane prepolymer having 1W1.5 terminal isocyanate groups per molecule in an average (pref. the amount of the terminal isocyanate group is ≤1 equivalent per 1 equivalent of the hydroxyl group of the vinyl polymer) is dispersed by stirring in (B) an aqueous solvent (e.g. water) containing an alkaline substance (esp. ammonia, etc.) in an amount to neutralize at least a part of the carboxyl groups of the modified polymer.
USE: Water-based paint, water-based ink, water-based coating agent, treating agent for paper, etc., dispersing agent, etc.
COPYRIGHT: (C)1982,JPO&Japio
JP11120980A 1980-08-13 1980-08-13 Aqueous dispersion of urethane-modified vinyl polymer, and preparation of said aqueous dispersion Granted JPS5736153A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11120980A JPS5736153A (en) 1980-08-13 1980-08-13 Aqueous dispersion of urethane-modified vinyl polymer, and preparation of said aqueous dispersion

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11120980A JPS5736153A (en) 1980-08-13 1980-08-13 Aqueous dispersion of urethane-modified vinyl polymer, and preparation of said aqueous dispersion

Publications (2)

Publication Number Publication Date
JPS5736153A true JPS5736153A (en) 1982-02-26
JPS6314723B2 JPS6314723B2 (en) 1988-04-01

Family

ID=14555282

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11120980A Granted JPS5736153A (en) 1980-08-13 1980-08-13 Aqueous dispersion of urethane-modified vinyl polymer, and preparation of said aqueous dispersion

Country Status (1)

Country Link
JP (1) JPS5736153A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1991009895A1 (en) * 1989-12-28 1991-07-11 Nippon Paint Co., Ltd. Polymer composition, aqueous dispersion prepared by using the same as emulsifier, and water-base coating composition
KR970042695A (en) * 1995-12-30 1997-07-24

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS63174237U (en) * 1986-09-22 1988-11-11

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1991009895A1 (en) * 1989-12-28 1991-07-11 Nippon Paint Co., Ltd. Polymer composition, aqueous dispersion prepared by using the same as emulsifier, and water-base coating composition
KR970042695A (en) * 1995-12-30 1997-07-24

Also Published As

Publication number Publication date
JPS6314723B2 (en) 1988-04-01

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