The room temperature gamma irradiation degradation of the lithographic polymers, poly(methylmethacrylate) (PMMA), poly(methy1-a-chloroacrylate) (PMCA), poly(methy1-a-fluoroacrylate) (PMFA), and poly(methylacrylonitri1e) (PMCN), have been studied by electron spin resonance and electron nuclear double
Electron spin resonance study and reactive extrusion of polyacrylamide and polydiallyldimethylammonium chloride
โ Scribed by R. Subramanian; Y. H. Huang; S. Zhu; A. N. Hrymak; R. H. Pelton
- Publisher
- John Wiley and Sons
- Year
- 2000
- Tongue
- English
- Weight
- 276 KB
- Volume
- 77
- Category
- Article
- ISSN
- 0021-8995
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## Abstract Poly(methyl methacrylate) doped with CuCl~2~ was prepared and its electron spin resonance (ESR) spectra and optical properties were studied. The ESR spectra can be accounted for by the presence of two radicals: R~__a__~ and R~__b__~. FTIR spectroscopy reveals that there is no main diffe
In this article, initially, we designed a simple drilling apparatus to obtain the mechanoradicals of poly(methyl methacrylate) (PMMA). Using this apparatus, we prepared some PMMA samples at 77 K in vacuum. We observed some electron spin resonance (ESR) signal of these samples. It is found that the E