Title:
THERMOPLASTIC POLYURETHANE, RESIN COMPOSITION CONTAINING THE SAME, AND MOLDED PRODUCT OBTAINED THEREFROM
Document Type and Number:
WIPO Patent Application WO/2022/112280
Kind Code:
A3
Abstract:
A thermoplastic polyurethane as a reaction product was obtained from components including (A) an aliphatic polyisocyanate, (B) an aliphatic polyol having at least one side chain, and (C) chain extenders. The aliphatic polyol (B) is a polycarbonate diol of formula (1): (I) wherein n is 4 to 40, and n+1 Rs are composed of a linear alkylene and an alkylene having at least one side chain so as to have the molar ratio of the linear alkylene to the alkylene having at least one side chain in the range of 0: 100 to 95: 5, and. The chain extender (C) is a combination of 1,4-butanediol with 1,3-propanediol, 1,5-pentanediol, 3-methyl-1,5-pentanediol or ethylene glycol, and the amount of 1,4-butanediol is set to be 50% by mass or more based on the total amount of the chain extenders (C). A resin composition containing the thermoplastic polyurethane, and the molded product were also obtained.
More Like This:
Inventors:
YU DA HAI (CN)
SUZUKI YASUYUKI (JP)
RICHTER SEBASTIAN (CN)
DOHMEN STEPHAN (DE)
KEMPFERT DIRK (DE)
SUZUKI YASUYUKI (JP)
RICHTER SEBASTIAN (CN)
DOHMEN STEPHAN (DE)
KEMPFERT DIRK (DE)
Application Number:
PCT/EP2021/082745
Publication Date:
July 21, 2022
Filing Date:
November 24, 2021
Export Citation:
Assignee:
BASF SE (DE)
YU DA HAI (CN)
YU DA HAI (CN)
International Classes:
C08G18/32; B29C48/08; C08G18/44; C08G18/66; C08G18/73; C08L75/06
Domestic Patent References:
| WO2018155396A1 | 2018-08-30 | |||
| WO2020218506A1 | 2020-10-29 |
Foreign References:
| US20200002461A1 | 2020-01-02 | |||
| JP2020007556A | 2020-01-16 |
Attorney, Agent or Firm:
BASF IP ASSOCIATION (DE)
Download PDF: