JPS5785815A - Water-dispersible resin for paint - Google Patents

Water-dispersible resin for paint

Info

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
Application number
JP55159629A
Other languages
Japanese (ja)
Inventor
Eiju Konno
Hidenori Ishikawa
Nobuo Takahashi
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.)
DIC Corp
Original Assignee
Dainippon Ink and Chemicals 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 Dainippon Ink and Chemicals Co Ltd filed Critical Dainippon Ink and Chemicals Co Ltd
Priority to JP55159629A priority Critical patent/JPS5785815A/en
Publication of JPS5785815A publication Critical patent/JPS5785815A/en
Pending legal-status Critical Current

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
JP55159629A 1980-11-14 1980-11-14 Water-dispersible resin for paint Pending JPS5785815A (en)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51147597A (en) * 1975-06-02 1976-12-17 Ppg Industries Inc Aqueous dispersion of polyurethane

Patent Citations (1)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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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