Title:
METHOD FOR MANUFACTURING INJECTION-MOLDED PRODUCT
Document Type and Number:
WIPO Patent Application WO/2022/209602
Kind Code:
A1
Abstract:
An objective of the present invention is to provide a method for manufacturing an injection-molded product of a resin composition including a P3HA-based resin, the method enabling stable continuous production without generating burrs. The above objective is attained by providing a method for manufacturing an injection-molded product of a resin composition including a P3HA-based resin by using a mold apparatus, wherein the P3HA-based resin is a copolymer including at least one copolymer of a 3HB unit and another hydroxyalkanoate unit, the maximum width of a parting line in contact with the cavity in the mold in the mold apparatus is 30 μm or less, a degassing portion is provided at a specific location in the mold, and the maximum width of the opening of the degassing portion of 1-50 μm.
Inventors:
MATSUOKA YOSHIAKI (JP)
Application Number:
PCT/JP2022/009666
Publication Date:
October 06, 2022
Filing Date:
March 07, 2022
Export Citation:
Assignee:
KANEKA CORP (JP)
International Classes:
B29C45/26; C08L67/04
Domestic Patent References:
| WO2017138392A1 | 2017-08-17 | |||
| WO2021010054A1 | 2021-01-21 | |||
| WO2014020838A1 | 2014-02-06 | |||
| WO2019142845A1 | 2019-07-25 |
Foreign References:
| JP2021020431A | 2021-02-18 | |||
| JP2021020431A | 2021-02-18 |
Other References:
T. FUKUIY. DOI, J. BATERIOL., vol. 179, 1997, pages 4821 - 4830
Attorney, Agent or Firm:
HARAKENZO WORLD PATENT & TRADEMARK (JP)
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