期刊
PROGRESS IN POLYMER SCIENCE
卷 36, 期 2, 页码 218-237出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.progpolymsci.2010.11.002
关键词
Reactive extrusion; Epoxide; Lactone; Anhydride; Radical; Reactive compatibilization
Processes for chemical transformation of starch by extrusion processing (reactive extrusion, REX) are reviewed with a focus on non-food applications. The scope, advantages, limitations and specificity of various REX processes for are examined in this context. The processes covered include: the grafting of monomers from starch as single units, such as ring-opening of epoxides, esterification (with lactones, anhydrides, acids, halides or vinyl esters) phosphorylation and silylation; graft polymerization from starch by radical-induced grafting or the ring-opening polymerization of lactones; reactive compatibilization with polyesters and polyolefins by grafting to or from starch; crosslinking of starch with epichlorohydrin or by phosphorylation; and the degradation of starch thermally or catalyzed by acid or enzymes. (C) 2010 Elsevier Ltd. All rights reserved.
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