| Gamma radiation-induced grafting of acrylamide and dimethyl diallyl ammonium chloride onto starch. | |
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MedLine Citation:
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PMID: 23218310 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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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. |
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Authors:
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Xiaohua Lv; Weiqiang Song; Yongzhou Ti; Lingbo Qu; Zhiwei Zhao; Hongjuan Zheng |
Publication Detail:
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Type: Journal Article Date: 2012-10-08 |
Journal Detail:
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Title: Carbohydrate polymers Volume: 92 ISSN: 1879-1344 ISO Abbreviation: Carbohydr Polym Publication Date: 2013 Jan |
Date Detail:
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Created Date: 2012-12-10 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8307156 Medline TA: Carbohydr Polym Country: England |
Other Details:
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Languages: eng Pagination: 388-93 Citation Subset: IM |
Copyright Information:
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Copyright © 2012 Elsevier Ltd. All rights reserved. |
Affiliation:
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Isotope Institute of Henan Academy of Sciences, Zhengzhou 450015, China. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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