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The copolymerization of allyl glycidyl ether with acrylonitrile initiated by gamma-rays

✍ Scribed by Dilek Şolpan; Olgun Güven

Publisher
John Wiley and Sons
Year
1996
Tongue
English
Weight
396 KB
Volume
34
Category
Article
ISSN
0887-624X

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✦ Synopsis

Copolymers of allyl glycidyl ether (AGE) with acrylonitrile (AN) have been prepared by bulk polymerization of their monomers with gamma rays. Copolymers thus obtained were characterized by Fourier transform infrared (FTIR), and ultraviolet (UV) spectroscopic techniques. The composition of the copolymers is determined indirectly by FTIR, UV, and directly by elemental analysis. The results obtained by different methods are compared.

The reactivity ratios of monomer pairs (AGE + AN) which copolymerized heterogeneously were calculated by using different methods of determination. Among the three experimental methods used for the analysis of compositions and two theoretical methods of computations, the elemental analysis technique and the application of nonlinear least-squares method gave the most reliable reactivity ratios. These are found to be 1.86 and 0.21 for acrylonitrile and allyl glycidyl ether, respectively.

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✍ Dilek Şolpan; Olgun Güven 📂 Article 📅 1999 🏛 John Wiley and Sons 🌐 English ⚖ 175 KB 👁 1 views

Acrylonitrile (AN), methyl methacrylate (MMA), allyl glycidyl ether (AGE), AGE ϩ AN monomer, AGE ϩ MMA monomer, and monomer mixtures were used to conserve and consolidate beechwood. After the impregnation of these monomer mixtures in the wood, polymerization was accomplished by gamma irradiation. Th