Influence of Processing Conditions on Morphological, Thermal and Degradative Behavior of Nanocomposites Based on Plasticized Poly(3-hydroxybutyrate) and Organo-Modified Clay

被引：15
|
作者：
Puglia, D. [1 ]
Fortunati, E. [1 ]
D'Amico, D. A. [2 ]
Miri, V. [3 ]
Stoclet, G. [3 ]
Manfredi, L. B. [2 ]
Cyras, V. P. [2 ]
Kenny, J. M. [1 ]
机构：
[1] Univ Perugia, UdR INSTM, Civil & Environm Engn Dept, Terni, Italy
[2] Univ Nacl Mar Del Plata, Inst Invest Ciencia & Tecnol Mat, Fac Ingn, INTEMA, Mar Del Plata, Argentina
[3] Univ Lille 1, UMR 8207, CNRS, Unite Mat & Transformat, F-59655 Villeneuve Dascq, France
来源：
JOURNAL OF POLYMERS AND THE ENVIRONMENT | 2016年 / 24卷 / 01期
关键词：
Poly(3-hydroxybutyrate); Nanoclay; Plasticizer; Nanocomposites; Disintegrability compost; PLA-PHB BLENDS; NONISOTHERMAL CRYSTALLIZATION KINETICS; POLY(-(D)-BETA-HYDROXYBUTYRIC ACID); MODIFIED MONTMORILLONITE; ENZYMATIC DEGRADATION; MECHANICAL-PROPERTIES; MOLECULAR-WEIGHT; CITRATE ESTERS; BIODEGRADATION; POLY(HYDROXYBUTYRATE-CO-HYDROXYVALERATE);
D O I：
10.1007/s10924-015-0744-5
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
The effect of processing conditions (casting and extrusion) and plasticization on the disintegrability in compost of organically modified clay poly(3-hydroxybutyrate) nanocomposites was studied. Tributylhexadecylphosphonium bromide (TBHP) was used as organic modifier. As revealed by WAXS and TEM observations, intercalated nanobiocomposites with clay stacks and some individually dispersed platelets were obtained. The melting temperature of the neat PHB diminished with the addition of plasticizer, thus broadening the processing window. Biodegradation test revealed that while the clay slows down the degradation rate, the plasticizer increases the degradation of the samples, reaching a similar final percentage of disintegrability when both plasticizer and clay were added in the formulation.
引用
收藏
页码：12 / 22
页数：11
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