Title:
ポリカーボネートジオール含有組成物の製造方法、並びにそれを用いたポリウレタンの製造方法
Document Type and Number:
Japanese Patent JP6504211
Kind Code:
B2
Abstract:
A polycarbonate diol-containing composition obtainable by polymerizing a diaryl carbonate (i), a 2,2-dialkyl-1,3-propanediol (ii), and a diol (iii) other than a 2,2-dialkyl-1,3-propanediol, in the presence of a metal compound catalyst, wherein a total content of residual monomers of the (ii) and (iii) above in the composition is 1% by weight or less.
Inventors:
Haruhiko Kusaka
Kazuki Wakabayashi
Teruhiko Ohara
Hirotoru Ito
Kusano Kazunao
Kazuki Wakabayashi
Teruhiko Ohara
Hirotoru Ito
Kusano Kazunao
Application Number:
JP2017149115A
Publication Date:
April 24, 2019
Filing Date:
August 01, 2017
Export Citation:
Assignee:
Mitsubishi Chemical Corporation
International Classes:
C08G64/30; C08G18/10; C08G18/44; C08G18/65; C09D175/04; C09J175/04; D01F6/70; D06N3/14
Domestic Patent References:
| JP2049025A | ||||
| JP2000095854A | ||||
| JP2002356550A | ||||
| JP10292037A | ||||
| JP2000336140A | ||||
| JP2003321540A |
Foreign References:
| US20030204042 |
Attorney, Agent or Firm:
Tsuyoshi Shigeno
Takayuki Shigeno
Takayuki Shigeno