BIODEGRADABLE RESIN AND METHOD FOR MANUFACTURING SAME

Title:

BIODEGRADABLE RESIN AND METHOD FOR MANUFACTURING SAME

Document Type and Number:

WIPO Patent Application WO/2012/105730

Kind Code:

A1

Abstract:

The present invention provides a biodegradable resin comprising a urethane bond generated by reacting a polyester polymer and a polyvalent isocyanate compound, which is used as a chain extender, the biodegradable resin which is characterized by a method for manufacturing the biodegradable resin having excellent physical properties while limiting the amount of chain extender used, and adjusted content of nitrogen included in the resin thereby. The present invention reduces the amount of ingredients harmful to the human body and the environment being used in the manufacturing process of a biodegradable resin, and thereby provides a biodegradable resin that can be safely used as packaging materials for food or medicine.

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Inventors:

KANG GYUNG DON (KR)
YUN KI CHULL (KR)
CHUN JONG PIL (KR)
AHN JI SOO (KR)
KIM YE JIN (KR)
KIM SEI HOON (KR)
HONG SEONG YONG (KR)
PARK SUNG BAE (KR)

Application Number:

PCT/KR2011/003211

Publication Date:

August 09, 2012

Filing Date:

April 29, 2011

Export Citation:

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Assignee:

SAMSUNG FINE CHEMICALS CO LTD (KR)
S ENPOL CO LTD (KR)
KANG GYUNG DON (KR)
YUN KI CHULL (KR)
CHUN JONG PIL (KR)
AHN JI SOO (KR)
KIM YE JIN (KR)
KIM SEI HOON (KR)
HONG SEONG YONG (KR)
PARK SUNG BAE (KR)

International Classes:

C08G18/42; C08G18/72; C08G63/91; C08L101/16

Foreign References:

JP2007197653A	2007-08-09
US6103858A	2000-08-15
KR20020065180A	2002-08-13
KR0129794B1	1998-04-07
KR100365455B1	2003-04-18

Other References: