Title:
THERMOPLASTIC POLYURETHANE RESIN, FILM AND COATING PROTECTION FILM
Document Type and Number:
WIPO Patent Application WO/2023/228876
Kind Code:
A1
Abstract:
A thermoplastic polyurethane resin according to the present invention contains a reaction product of a polyisocyanate component and a polyol component. The polyisocyanate component contains 1,4-bis(isocyanatomethyl)cyclohexane and 1,3-bis(isocyanatomethyl)cyclohexane. The polyol component contains a polycarbonate polyol and a low-molecular-weight polyol. The polycarbonate polyol contains a crystalline polycarbonate polyol that is in a solid state at 25°C. Relative to the total amount of 1,4-bis(isocyanatomethyl)cyclohexane and 1,3-bis(isocyanatomethyl)cyclohexane, the amount of 1,4-bis(isocyanatomethyl)cyclohexane is 50-90% by mole and the amount of 1,3-bis(isocyanatomethyl)cyclohexane is 10-50% by mole.
Inventors:
KUROIWA SATOSHI (JP)
KOBAYASHI TAKESHI (JP)
KOBAYASHI TAKESHI (JP)
Application Number:
PCT/JP2023/018705
Publication Date:
November 30, 2023
Filing Date:
May 19, 2023
Export Citation:
Assignee:
MITSUI CHEMICALS INC (JP)
International Classes:
C08G18/75; C08G18/44; C08G18/65
Domestic Patent References:
| WO2015046369A1 | 2015-04-02 | |||
| WO2021065783A1 | 2021-04-08 | |||
| WO2014021317A1 | 2014-02-06 | |||
| WO2013141207A1 | 2013-09-26 | |||
| WO2012176439A1 | 2012-12-27 |
Foreign References:
| JP2014055229A | 2014-03-27 | |||
| JP2013076076A | 2013-04-25 | |||
| JP2010280883A | 2010-12-16 |
Attorney, Agent or Firm:
IKUMI PATENT ATTORNEYS OFFICE (JP)
Download PDF: