Title:
METHOD FOR PRODUCING INJECTION-MOLDED BODY
Document Type and Number:
WIPO Patent Application WO/2021/010054
Kind Code:
A1
Abstract:
Provided is a method for producing an injection-molded body from a molding material including a poly(3-hydroxybutyrate)-based resin, wherein the molding material has a difference of 10-70°C between the melting point peak temperature and the melting point peak end temperature as measured by differential scanning calorific value analysis, the method comprising: a step for heating and melting the molding material at a temperature between the melting point peak temperature and the melting point peak end temperature, and injecting the molding material into a mold having a temperature of 30-80°C; and a step for cooling and solidifying the molding material in the mold into crystals.
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Inventors:
KATSUTA YUTA
NAKAMURA NOBUO
SATO SHUNSUKE
NAKAMURA NOBUO
SATO SHUNSUKE
Application Number:
PCT/JP2020/022526
Publication Date:
January 21, 2021
Filing Date:
June 08, 2020
Export Citation:
Assignee:
KANEKA CORP (JP)
International Classes:
B29C45/00; B29C45/77; B29C45/78; C08K3/34; C08L67/04; C08L101/16
Domestic Patent References:
| WO2015146195A1 | 2015-10-01 | |||
| WO2015052876A1 | 2015-04-16 | |||
| WO2015146194A1 | 2015-10-01 | |||
| WO2010067543A1 | 2010-06-17 | |||
| WO2015146195A1 | 2015-10-01 |
Foreign References:
| JP2012211243A | 2012-11-01 | |||
| JP2010082838A | 2010-04-15 | |||
| JP2011132281A | 2011-07-07 | |||
| JP2005255721A | 2005-09-22 | |||
| US7384766B2 | 2008-06-10 |
Other References:
"BIODEGRADABLE PLASTICS & MARINE LITTER", UNITED NATIONS ENVIRONMENT PROGRAMME, 2015
See also references of EP 4000857A4
See also references of EP 4000857A4
Attorney, Agent or Firm:
PATENT CORPORATE BODY ARCO PATENT OFFICE (JP)
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