Title:
PRODUCTION METHOD FOR POLYCARBONATE
Document Type and Number:
WIPO Patent Application WO/2020/100975
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide a method for safely and efficiently producing a polycarbonate. This production method for a polycarbonate is characterized by including a step for irradiating a composition that includes a C1–4 halohydrocarbon, a specific diol compound, and a specific base with light in the presence of oxygen.
Inventors:
TSUDA AKIHIKO (JP)
Application Number:
PCT/JP2019/044686
Publication Date:
May 22, 2020
Filing Date:
November 14, 2019
Export Citation:
Assignee:
UNIV KOBE NAT UNIV CORP (JP)
MITSUBISHI GAS CHEMICAL CO (JP)
MITSUBISHI GAS CHEMICAL CO (JP)
International Classes:
C08G64/38
Domestic Patent References:
| WO2018211952A1 | 2018-11-22 | |||
| WO2015156245A1 | 2015-10-15 | |||
| WO2015156245A1 | 2015-10-15 |
Foreign References:
| JP2013181028A | 2013-09-12 | |||
| JPH0710811A | 1995-01-13 | |||
| JP2001129397A | 2001-05-15 | |||
| JP2013181028A | 2013-09-12 | |||
| JP2018214976A | 2018-11-15 |
Other References:
KUWAHARA, YUKI; TSUDA, AKIHIKO: "Abstract 2 K2-16: Photo-recycling reaction of halomethanes (2): Synthesis of carbonate derivatives from chloroform and phenol derivatives", LECTURE PREPRINTS IV OF THE 92ND SPRING 2012 ANNUAL MEETING OF CSJ, vol. 92, 2012, pages 1251, XP009516833
TSUDA AKIHIKO; KUWAHARA YUKI; ZHANG AILING: "Abstract. 1 D4-09: Photo-recycling reactions of choroform: conversions urea, carbonate and carbamate", THE 93RD ANNUAL MEETING OF THE CHEMICAL SOCIETY OF JAPAN. ANNUAL MEETING OF CSJ ; 93 (TOKYO) : 2013.03.25-28, vol. 93, 2013, pages 1288, XP009516835
OKUMA SEIICHI ET AL., JAPAN ANALYST, vol. 24, 1975, pages 385 - 387
TSURUGI JITSUO ET AL., JOURNAL OF THE SOCIETY OF RUBBER SCIENCE AND TECHNOLOGY, vol. 43, no. 5, 1970, pages 337 - 346
JERZY HERBICH ET AL., J. PHOTOCHEM. PHOTOBIOL. A: CHEM., vol. 80, 1994, pages 157 - 160
TSUDA AKIHIKO; KUWAHARA YUKI; ZHANG AILING: "Abstract. 1 D4-09: Photo-recycling reactions of choroform: conversions urea, carbonate and carbamate", THE 93RD ANNUAL MEETING OF THE CHEMICAL SOCIETY OF JAPAN. ANNUAL MEETING OF CSJ ; 93 (TOKYO) : 2013.03.25-28, vol. 93, 2013, pages 1288, XP009516835
OKUMA SEIICHI ET AL., JAPAN ANALYST, vol. 24, 1975, pages 385 - 387
TSURUGI JITSUO ET AL., JOURNAL OF THE SOCIETY OF RUBBER SCIENCE AND TECHNOLOGY, vol. 43, no. 5, 1970, pages 337 - 346
JERZY HERBICH ET AL., J. PHOTOCHEM. PHOTOBIOL. A: CHEM., vol. 80, 1994, pages 157 - 160
Attorney, Agent or Firm:
USFI PATENT ATTORNEYS INTERNATIONAL OFFICE (JP)
Download PDF:
Previous Patent: SOUND-ABSORBING MATERIAL
Next Patent: OBJECT SURFACE PROCESSING METHOD, LAMINATE, AND LAMINATE PRODUCTION METHOD
Next Patent: OBJECT SURFACE PROCESSING METHOD, LAMINATE, AND LAMINATE PRODUCTION METHOD