The Structure and Properties Research on Poly(Lactide-Co-Trimethylene Carbonate) Film Prepared by Blow Molding

Jiang Ping Chang; Hong Li Li; Ying Jie Zhang; Guo Xian Zhou; Ming Long Yuan

doi:10.4028/www.scientific.net/AMR.750-752.1930

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The Structure and Properties Research on Poly(Lactide-Co-Trimethylene Carbonate) Film Prepared by Blow Molding

Abstract:

The poly (lactide-co-trimethylene carbonate) copolymers are prepared by ring opening polymerization and catalyzed by SnOct and their films are prepared by blow molding. The ¹HNMR study demonstrates that PLA-PTMC copolymers were successfully obtained and the graft way is A-B model. The water vapor permeability (WVP) of the films decreases with the increasing TMC content due to the formation of denser structure. The mechanical measurement reveals that the tensile strength of blown films has been declined with the increasing TMC content, but the elongation at break is improved and the tensile strength can be satisfied for the requirement of film product. Therefore, the copolymer film will be great prospect in the application of food and beverage packing.

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Advanced Materials Research (Volumes 750-752)

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1930-1933

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https://doi.org/10.4028/www.scientific.net/AMR.750-752.1930

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August 2013

Authors:

Jiang Ping Chang, Hong Li Li, Ying Jie Zhang, Guo Xian Zhou, Ming Long Yuan

Keywords:

Blown Film, Copolymerization, Thermal Property, WVP

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