Thermo-responsive interpenetrating polymer networks composed of AAc/AAm/NMA by radiation grafting

Wu Minghong; Chen Jie; Qian Qun; Bao Borong

doi:10.1023/a:1015854804494

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Journal of Radioanalytical and Nuclear Chemistry

Volume/Issue:: Volume 252: Issue 3

Thermo-responsive interpenetrating polymer networks composed of AAc/AAm/NMA by radiation grafting

Authors:

Wu Minghong

Wu Minghong Shanghai University Shanghai Shanghai Applied Radiation Institute 201800 P.R. China

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Chen Jie

Chen Jie Shanghai University Shanghai Shanghai Applied Radiation Institute 201800 P.R. China

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Qian Qun

Qian Qun Shanghai University Shanghai Shanghai Applied Radiation Institute 201800 P.R. China

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Bao Borong

Bao Borong Shanghai University Shanghai Shanghai Applied Radiation Institute 201800 P.R. China

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Pages:: 531–535

Online Publication Date:: 02 Nov 2004

Publication Date:: 17 Jun 2002

Article Category:: Research Article

DOI:: https://doi.org/10.1023/a:1015854804494

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Abstract

Interpenetrating polymer network (IPN) hydrogels were prepared by grafting of acrylamide (AAm), N-methylol acrylamide (NMA) and acrylic acid (AAc) onto preirradiated polypropylene (PP) membrane. To obtain PP-g-AAc/AAm/NMA IPN hydrogels, at first, AAc were grafted onto preirradiated PP and then AAm were grafted onto the PP-g-AAc membranes. Finally NMA were grafted onto PP-g-AAc/AAm membranes. In the different stages of grafting under different reaction conditions, trapped radicals in the membrane samples were probed by electron spin resonance (ESR). The temperature response behaviors of the IPN hydrogels were studied. Reversible behavior and controlled release of drug tests made reflecting the switching to on state at higher temperatures and to off state at lower temperatures were achieved. By increasing the grafted content of NMA, higher transition temperature of the hydrogel could be attained.

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Journal of Radioanalytical and Nuclear Chemistry

Print ISSN:: 0236-5731

Online ISSN:: 1588-2780

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Journal of Radionalytical and Nuclear Chemistry
Language	English
Size	A4
Year of Foundation	1968
Volumes per Year	1
Issues per Year	12
Founder	Akadémiai Kiadó
Founder's Address	H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher	Akadémiai Kiadó Springer Nature Switzerland AG
Publisher's Address	H-1117 Budapest, Hungary 1516 Budapest, PO Box 245. CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible Publisher	Chief Executive Officer, Akadémiai Kiadó
ISSN	0236-5731 (Print)
ISSN	1588-2780 (Online)