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Preparation and Biodegradability of PBS Copolymer Containing Terephthalate Groups  

이찬우 (호서대학교 공과대학 첨단산업기술전공)
Publication Information
Textile Science and Engineering / v.40, no.4, 2003 , pp. 330-334 More about this Journal
Abstract
Poly(butylene succinate-co-terephthalate)(PBST) was synthesized and molecular weight and thermal properties were investigated. There was 10$0^{\circ}C$ change in the melting and crystallization temperatures of PBST with composition. As a result of manufacturing the produced polymer into film and conducting a decomposition experiment, it was observed that the film of S/T=1 and 2 composition ratio were decomposed by lipase PS. Moreover, after 42 days, 9 and 40% weight reduction was observed, respectively. However, since there was no change in the weight-average molecular weight, it appears that decomposition advances from the surface of the film.
Keywords
thermal properties; crystallization; decomposition; lipase; weight-average molecular weight;
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