Title:
発泡性プラスチック材料を再生利用するプロセス、及びそれによって獲得可能な発泡性プラスチック材料又は発泡プラスチック材料
Document Type and Number:
Japanese Patent JP6689431
Kind Code:
B2
Abstract:
A process is disclosed to recycle and/or formulate expandable plastic materials using a system (1) comprising: an extruder unit (10), a mixer-heat exchanger unit (20), said process comprising the steps of: melting in the extruder unit (10), cooling in the mixer-heat exchanger unit (20), and controlling the melt pressure by means of a melt pump unit (50), followed by granulation, extrusion, or injection molding, wherein a first expansion agent (81) is not degassed during a melt processing in the system (1) such that it is substantially contained in the granulated expandable plastic material (130) or used to form either the extruded, formed and expanded plastic material (140) or the molded expanded plastic article (150). The present invention also relates to a granulated expandable plastic material (130), an extruded, formed and expanded plastic material (140), and a molded expanded plastic article (150) obtainable by said process.
Inventors:
Fennessy, Cyan Francis
Nissing, Philip
Weber, Jörg
Lippner, Yang
Nissing, Philip
Weber, Jörg
Lippner, Yang
Application Number:
JP2019076381A
Publication Date:
April 28, 2020
Filing Date:
April 12, 2019
Export Citation:
Assignee:
Sulzer Chemtech Akchen Gesell Shaft
International Classes:
C08J9/33; B29B7/48; B29B7/74; B29B7/80; B29B9/06; B29C44/00; C08J11/04
Domestic Patent References:
| JP2008127562A | ||||
| JP11226955A | ||||
| JP9208734A | ||||
| JP9509975A | ||||
| JP2010222490A | ||||
| JP2010527390A | ||||
| JP7258454A |
Foreign References:
| WO2009096341A1 | ||||
| GB1082875A | ||||
| DE19708986A1 |
Attorney, Agent or Firm:
Asamura patent office