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 dispersionInfo
- 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
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
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)
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)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS63174237U (en) * | 1986-09-22 | 1988-11-11 |
-
1980
- 1980-08-13 JP JP11120980A patent/JPS5736153A/en active Granted
Cited By (2)
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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