Title:
POLY(3-HYDROXYBUTYRATE)-BASED RESIN TUBE AND METHOD FOR PRODUCING SAME
Document Type and Number:
WIPO Patent Application WO/2020/040093
Kind Code:
A1
Abstract:
Provided is a tube comprising a poly(3-hydroxybutyrate)-based resin, wherein the poly(3-hydroxybutyrate)-based resin tube has a wall thickness of 0.1-0.6 mm. The difference between the melting point peak temperature and the melting point peak end temperature in differential scanning calorimetric analysis of the poly(3-hydroxybutyrate)-based resin is preferably 10°C or greater. In production of the tube, there is preferably included a step in which, after the poly(3-hydroxybutyrate)-based resin is melted in an extruder, the resin is extruded from an annular die and injected into water, and it is preferable that the temperature of the annular die is set to a temperature between the melting point peak temperature and the melting point peak end temperature in differential scanning calorimetric analysis of the poly(3-hydroxybutyrate)-based resin.
Inventors:
OKURA TETSUO
Application Number:
PCT/JP2019/032298
Publication Date:
February 27, 2020
Filing Date:
August 19, 2019
Export Citation:
Assignee:
KANEKA CORP (JP)
International Classes:
A47G21/18; F16L11/06
Domestic Patent References:
| WO2014188646A1 | 2014-11-27 | |||
| WO2015146194A1 | 2015-10-01 |
Foreign References:
| JP2003518998A | 2003-06-17 | |||
| JP2006136657A | 2006-06-01 | |||
| JP2018504292A | 2018-02-15 | |||
| JP2005350530A | 2005-12-22 | |||
| JP2004331913A | 2004-11-25 |
Other References:
"United Nations Environment Programme 2015", BIODEGRADABLE PLASTICS & MARINE LITTER, 2015
See also references of EP 3841924A4
See also references of EP 3841924A4
Attorney, Agent or Firm:
PATENT CORPORATE BODY ARCO PATENT OFFICE (JP)
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