Modified starch with bis(2-hydroxyethyl) terephthalate: synthesis, characterization and elaboration of films

被引：10
|
作者：
Ramirez-Centeno, Silvia [1 ]
Marcos-Fernandez, Angel [2 ]
Aparicio-Saguilan, Alejandro [1 ]
Navarro-Crespo, Rodrigo [2 ]
Eduardo Baez-Garcia, Jose [3 ]
Paramo-Calderon, Delia Esther [1 ]
Ramirez-Hernandez, Aurelio [1 ]
机构：
[1] Univ Papaloapan, Dept Quim, Circuito Cent 200, Tuxtepec 68301, Oaxaca, Mexico
[2] Inst Ciencia & Tecnol Polimeros ICTP, C Juan de la Cierva 3, Madrid 28006, Spain
[3] Univ Guanajuato, Div Ciencias Exactas, Dept Quim, Noria Alta S-N, Guanajuato 36050, Mexico
来源：
JOURNAL OF POLYMER RESEARCH | 2020年 / 27卷 / 09期
关键词：
BHET; Banana starch; Modified starch; Films; BANANA STARCH; 2; VARIETIES; POLY(ETHYLENE-TEREPHTHALATE); DEGRADATION; BIODEGRADATION; OPTIMIZATION; COPOLYMER; CHITOSAN; BEHAVIOR; BLENDS;
D O I：
10.1007/s10965-020-02249-4
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Banana starch was modified with B bis(2-hydroxyethyl) terephthalate and its instrumental characterization allowed to propose a chemical structure. In the carbon 6 (C6) of the starch the modification reaction was carried out. The morphology of starch changes due to its chemical modification. The modified starch showed a lower crystallinity and thermal stability, compared to the native starch favoring its film formation. The electrical conductivity of the modified starch films was 2.7 times higher than that for the native starch film. The aqueous hydrolysis of the modified starch films was carried out obtaining a degradation of 77% in a determined time. Modified starch films present different mechanical properties compared to native starch film. These results have high application potential to be used in PET degradation products.
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页数：12
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