JPS5785815A - Water-dispersible resin for paint - Google Patents
Water-dispersible resin for paintInfo
- Publication number
- JPS5785815A JPS5785815A JP55159629A JP15962980A JPS5785815A JP S5785815 A JPS5785815 A JP S5785815A JP 55159629 A JP55159629 A JP 55159629A JP 15962980 A JP15962980 A JP 15962980A JP S5785815 A JPS5785815 A JP S5785815A
- Authority
- JP
- Japan
- Prior art keywords
- water
- ratio
- group
- prepolymer
- nco
- 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.)
- Pending
Links
Abstract
PURPOSE: To decrease the amount of an organic solvent used or dispense with the solvent, and improve film performance, film appearance and paint work, by dispersing a specified isocyanato group-containing prepolymer in water and chain-extending the prepolymer with a polyamine.
CONSTITUTION: An isocyanato group-containing prepolymer, oil length 5W85%, obtained by reacting (A) a compound having at least one hydroxyl group or amino group, which is selected frm the group consisting of drying oils, semidrying oils and esterified products derived from their fatty acids, if required, together with (B) a polyhydric alcohol, with (C) a diisocyanate compound at an NCO/active hydrogen ratio of 1.1W2 (eq. ratio) is dispersed in water. Next, the prepolymer in this dispersion system is chain-extended with a polyamine at an NCO/amino group ratio of 1W2 (eq. ratio) to obtain the water-dispersible resin of the purpose. It is also possible to enhance the stability of the final aqueous resin dispersion by employing a polybasic acid (D) prior to the above reaction.
COPYRIGHT: (C)1982,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP55159629A JPS5785815A (en) | 1980-11-14 | 1980-11-14 | Water-dispersible resin for paint |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP55159629A JPS5785815A (en) | 1980-11-14 | 1980-11-14 | Water-dispersible resin for paint |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS5785815A true JPS5785815A (en) | 1982-05-28 |
Family
ID=15697885
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP55159629A Pending JPS5785815A (en) | 1980-11-14 | 1980-11-14 | Water-dispersible resin for paint |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5785815A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61278570A (en) * | 1985-06-03 | 1986-12-09 | Dai Ichi Kogyo Seiyaku Co Ltd | Coating composition |
EP0640632A1 (en) * | 1993-08-31 | 1995-03-01 | The Thompson Minwax Company | Water-dispersible poly(urethane-urea) compositions |
EP0647665A2 (en) * | 1993-10-12 | 1995-04-12 | The Thompson Minwax Company | Self-crosslinkable water-dispersible poly(urethane-urea)compositions |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS51147597A (en) * | 1975-06-02 | 1976-12-17 | Ppg Industries Inc | Aqueous dispersion of polyurethane |
-
1980
- 1980-11-14 JP JP55159629A patent/JPS5785815A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS51147597A (en) * | 1975-06-02 | 1976-12-17 | Ppg Industries Inc | Aqueous dispersion of polyurethane |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS61278570A (en) * | 1985-06-03 | 1986-12-09 | Dai Ichi Kogyo Seiyaku Co Ltd | Coating composition |
EP0640632A1 (en) * | 1993-08-31 | 1995-03-01 | The Thompson Minwax Company | Water-dispersible poly(urethane-urea) compositions |
US5504145A (en) * | 1993-08-31 | 1996-04-02 | The Thompson Minwax Company | Water-dispersible poly(urethane-urea) compositions |
EP0647665A2 (en) * | 1993-10-12 | 1995-04-12 | The Thompson Minwax Company | Self-crosslinkable water-dispersible poly(urethane-urea)compositions |
EP0647665A3 (en) * | 1993-10-12 | 1995-09-27 | Eastman Kodak Co | Self-crosslinkable water-dispersible poly(urethane-urea)compositions. |
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