Title:
POLYURETHANE AQUEOUS DISPERSION, POLYURETHANE AQUEOUS DISPERSION PRODUCTION METHOD, WATER-BASED COATING COMPOSITION, AND COATING FILM
Document Type and Number:
WIPO Patent Application WO/2018/235921
Kind Code:
A1
Abstract:
A polyurethane aqueous dispersion containing water and an OH group-containing polyurethane being a neutralized product of a tertiary amine and an OH group-containing polyurethane having an OH group at the molecular chain terminal thereof. In the polyurethane aqueous dispersion, the OH group-containing polyurethane includes: a structural unit (A1) derived from a prescribed polyol; a structural unit (B1) derived from a prescribed first diol; a structural unit (C1) derived from a polyhydric alcohol having more than two and no more than four prescribed functional groups per molecule; and a structural unit (D1) derived from a second diol having a carboxy group. The weight-average molecular weight of the OH group-containing polyurethane is 16,000–140,000.
Inventors:
GOTO MICHIRO (JP)
Application Number:
PCT/JP2018/023692
Publication Date:
December 27, 2018
Filing Date:
June 21, 2018
Export Citation:
Assignee:
TOYOPOLYMER CO LTD (JP)
International Classes:
C08G18/00; C08G18/08; C08G18/12; C08G18/42; C08G18/65; C08G18/66; C08G18/76; C09D175/06
Foreign References:
| JPH08512088A | 1996-12-17 | |||
| JP2001504866A | 2001-04-10 | |||
| JP2002518564A | 2002-06-25 | |||
| JP2010229291A | 2010-10-14 | |||
| JPH02269723A | 1990-11-05 |
Attorney, Agent or Firm:
KITANO, Shuhei et al. (JP)
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