Title:
PLASTIC WASTE GRINDING METHOD, AND SYNTHETIC RESIN MOLDED PRODUCT MANUFACTURING METHOD USING PLASTIC WASTE
Document Type and Number:
WIPO Patent Application WO/2021/009815
Kind Code:
A1
Abstract:
Provided is a method wherein plastic residues, RPF, and marine plastic refuse, which, among recovered plastic waste, are produced without being able to be material-recycled, are used as materials for new synthetic resin molded products. Also provided is a plastic waste grinding method that makes said method possible. This plastic waste grinding method is characterized in that 30-80wt% of plastic waste P and 20-70wt% of wood chips W are prepared so as to be of a size wherein the diameter or one side thereof is 5mm or less, then are mixed together using a mixer 3, and the resulting mixture is ground to a fine powder with a grain size of 1mm or less using a grinding device 4 in which a rotor rotates at high speed.
Inventors:
KAMITE MASAYUKI (JP)
Application Number:
PCT/JP2019/027802
Publication Date:
January 21, 2021
Filing Date:
July 12, 2019
Export Citation:
Assignee:
TECHNIQUE CO LTD (JP)
International Classes:
B29B17/04; B02C7/02; B02C18/00; B29C31/04; B29C48/00
Foreign References:
| JPS648896B2 | 1989-02-15 | |||
| JP2005066515A | 2005-03-17 | |||
| JPS62297112A | 1987-12-24 | |||
| JP2014019087A | 2014-02-03 | |||
| JP2012218202A | 2012-11-12 | |||
| JPH11226956A | 1999-08-24 | |||
| JP2001353707A | 2001-12-25 | |||
| JP2003080520A | 2003-03-19 | |||
| JP2004174304A | 2004-06-24 | |||
| JP5459888B1 | 2014-04-02 | |||
| JPS648896B2 | 1989-02-15 |
Other References:
See also references of EP 3974143A4
Attorney, Agent or Firm:
TAKEDA Akihiro (JP)
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