Title:
ポリウレタン樹脂成形体の製造方法
Document Type and Number:
Japanese Patent JP7267790
Kind Code:
B2
Abstract:
To provide the method for manufacturing the polyurethane resin molding that can reduce fish eyes.SOLUTION: The method for manufacturing the polyurethane resin molding comprises: molding a molten resin of thermoplastic polyurethane into a pellet P by an extrusion molding machine 4 and a pelletizer 6; aging the obtained pellet P in an incubator 8 for 1 hour or more in an atmosphere with absolute humidity of 1.0 g/m3 or more; and then, dehumidifying and drying the pellet P in a pellet dryer 9.SELECTED DRAWING: Figure 1
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Inventors:
Goro Kuwamura
Masumi Wataru
Masumi Wataru
Application Number:
JP2019051552A
Publication Date:
May 02, 2023
Filing Date:
March 19, 2019
Export Citation:
Assignee:
Mitsui Chemicals, Inc.
International Classes:
B29B13/06; B29B9/06; B29C71/02
Domestic Patent References:
| JP2018184568A |
Foreign References:
| WO2018092745A1 |
Attorney, Agent or Firm:
Hiroyuki Okamoto