Styrene has been copolymerized with low percentages of p‐vinylbenzophenone‐p′‐tert‐butyl perbenzoate (VBPE). The resulting copolymer has been used to make graft copolymer with methyl methacrylate using UV irradiation (366 nm). The grafting efficiency has been observed to increase with time of irradiation and percentage of VBPE in the copolymer. The copolymer has also been observed to crosslink efficiently with photochemical irradiation.
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Gupta et al. (1982) studied this question.
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