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Patent Searching and Data


Title:
METHOD FOR MEASURING PURITY OF PLASTIC
Document Type and Number:
WIPO Patent Application WO/2019/167535
Kind Code:
A1
Abstract:
The purpose of the present invention is to provide a method for measuring the purity of a plastic, whereby the amount of PE and PP included in a plastic can easily be determined. This method for measuring the purity of a plastic including polyethylene and/or polypropylene has a step (A) for adding a weighed internal standard substance to the weighed plastic, a step (B) for analyzing the plastic to which the internal standard substance has been added by infrared spectroscopy, and a step (C) for determining the amount of polyethylene and the amount of polypropylene included in the plastic from the IR spectrum obtained in the step (B).

Inventors:
ISHIZAKA Takamitsu (1-4-10, Shinminato, Nishi-ku, Kumamoto-sh, Kumamoto 74, 〒8615274, JP)
IKENAGA Kazutoshi (4-22-1 Ikeda, Nishi-ku, Kumamoto-sh, Kumamoto 82, 〒8600082, JP)
KOSUGI Kazuki (1-4-10, Shinminato, Nishi-ku, Kumamoto-sh, Kumamoto 74, 〒8615274, JP)
TAMAKI Mitsuru (1-4-10, Shinminato, Nishi-ku, Kumamoto-sh, Kumamoto 74, 〒8615274, JP)
OGURI Masanori (1-4-10, Shinminato, Nishi-ku, Kumamoto-sh, Kumamoto 74, 〒8615274, JP)
Application Number:
JP2019/003348
Publication Date:
September 06, 2019
Filing Date:
January 31, 2019
Export Citation:
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Assignee:
ECO-PORT KYUSHU CO., LTD. (1-4-10, Shinminato Nishi-ku, Kumamoto-sh, Kumamoto 74, 〒8615274, JP)
International Classes:
G01N21/3563
Foreign References:
JP2013064726A2013-04-11
JP2013166921A2013-08-29
JP2001074729A2001-03-23
JPH09138194A1997-05-27
JP2003227793A2003-08-15
JP2004074151A2004-03-11
JPH0924293A1997-01-28
JP2005249624A2005-09-15
US5510619A1996-04-23
US5206510A1993-04-27
Attorney, Agent or Firm:
SSINPAT PATENT FIRM (Gotanda Yamazaki Bldg. 6F, 13-6 Nishigotanda 7-chome, Shinagawa-k, Tokyo 31, 〒1410031, JP)
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