Title:
POLYLACTIC ACID DECOMPOSITION METHOD
Document Type and Number:
WIPO Patent Application WO/2012/001784
Kind Code:
A1
Abstract:
Disclosed is a polylactic acid decomposition method which can decompose polylactic acid with high efficiency so that the polylactic acid can readily undergo the decomposition by a biological treatment such as methane fermentation.
Specifically disclosed is a polylactic acid decomposition method involving a step of impregnating an organic material containing polylactic acid with a treatment solution containing an organic acid salt and/or an inorganic acid salt of an amine compound.
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Inventors:
TSUBOTA, Jun (1-2, Hiranomachi 4-chome, Chuo-ku, Osaka-sh, Osaka 46, 〒5410046, JP)
Application Number:
JP2010/061182
Publication Date:
January 05, 2012
Filing Date:
June 30, 2010
Export Citation:
Assignee:
OSAKA GAS CO., LTD. (1-2 Hiranomachi 4-chome, Chuo-ku Osaka-sh, Osaka 46, 〒5410046, JP)
大阪瓦斯株式会社 (〒46 大阪府大阪市中央区平野町四丁目１番２号 Osaka, 〒5410046, JP)
大阪瓦斯株式会社 (〒46 大阪府大阪市中央区平野町四丁目１番２号 Osaka, 〒5410046, JP)
International Classes:
C08J11/28; B01D3/00; B09B3/00
Attorney, Agent or Firm:
Saegusa & Partners (Kitahama TNK Building, 1-7-1 Doshomachi, Chuo-ku, Osaka-sh, Osaka 45, 〒5410045, JP)
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