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Microwave irradiation graft copolymerization of hydroxyethyl methacrylate onto wool fabrics

✍ Scribed by Weilin Xu; Jianjun Bao; Jianchun Zhang; Meiwu Shi

Publisher: John Wiley and Sons
Year: 1998
Tongue: English
Weight: 123 KB
Volume: 70
Category: Article
ISSN: 0021-8995
DOI: 10.1002/(sici)1097-4628(19981219)70:12<2343::aid-app5>3.0.co;2-d

No coin nor oath required. For personal study only.

✦ Synopsis

Hydroxyethyl methacrylate was grafted onto woolen fabrics by microwave irradiation in the presence of catalyst (NH 4 ) 2 S 2 O 8 . Various parameters of the graft copolymerization reaction, namely, time, microwave intensity, catalyst, and monomer concentration, were optimized. The graft copolymerization was also compared with conventional heating graft copolymerization at the same condition. Microwave irradiation was shown to improve the reactivity of the monomer. The moisture regain decreased as graft add-on increased. The Max load and the strain at Max load increased as graft add-on increased. The infrared spectra showed an additional peak at 1700 cm Ϫ1 , confirming ester carbonyl groups of the monomer.

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