Jiang-qing Pan, W. Lau, J. Lin
1995
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Journal
Polymer Degradation and Stability
Abstract
Abstract Two new monomers, 2-hydroxy-4-benzophenonyl allyl carbamate and 2-hydroxy-4-benzophenonyl m -isopropenyl-α,α′-dimethyl-benzyl carbamate, were synthesized by the direct addition reaction of 2,4-dihydroxybenzophenone (DHBP) to allyl isocyanate (AI) or m -isopropenyl-α,α′-dimethylbenzyl isocyanate ( m -TMI) in the presence of dibutyltin dilaurate (DBTDL) catalyst at 80°C. The structure of these two monomers was characterized by FT-IR, 1 H-NMR, UV-spectra, XPS, MS and elemental analysis. The properties of these two monomers are also described.