Document Detail

Gamma radiation-induced grafting of acrylamide and dimethyl diallyl ammonium chloride onto starch.
MedLine Citation:
PMID:  23218310     Owner:  NLM     Status:  In-Data-Review    
Corn starch graft copolymers were prepared from acrylamide/dimethyl diallyl ammonium chloride binary monomers (AM/DMDAAC) by a simultaneous radiation grafting method, and were characterized by FTIR and (1)H NMR techniques, weight measurement and titration method. The copolymers with high grafting ratio and high grafting efficiency of binary monomers were achieved at absorbed doses of 2kGy and 3kGy using a 6:9.8:4.2 (w/w/w) ratio of starch/AM/DMDAAC, but their cationic degrees were low. Grafting ratio, grafting efficiency and cationic degree of the copolymers increased with increasing AM content in comonomer mixtures and then decreased at 3kGy using a 6:14 ratio of starch:total comonomers, but their cationic degrees generally decreased with increasing AM content. The grafting ratio, the grafting efficiency and the cationic degree of the copolymers increased, but the grafting efficiency of DMDAAC decreased with varying starch/(AM+DMDAAC) ratio from 6:3 to 6:18 at 3kGy by using a fixed 7:3 ratio of AM:DMDAAC.
Xiaohua Lv; Weiqiang Song; Yongzhou Ti; Lingbo Qu; Zhiwei Zhao; Hongjuan Zheng
Publication Detail:
Type:  Journal Article     Date:  2012-10-08
Journal Detail:
Title:  Carbohydrate polymers     Volume:  92     ISSN:  1879-1344     ISO Abbreviation:  Carbohydr Polym     Publication Date:  2013 Jan 
Date Detail:
Created Date:  2012-12-10     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8307156     Medline TA:  Carbohydr Polym     Country:  England    
Other Details:
Languages:  eng     Pagination:  388-93     Citation Subset:  IM    
Copyright Information:
Copyright © 2012 Elsevier Ltd. All rights reserved.
Isotope Institute of Henan Academy of Sciences, Zhengzhou 450015, China.
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