Abstract
Abstract The photoswitchable poly(methyl methacrylate-random-methacrylate spirooxazine) was synthesized via atom transfer radical polymerization with the feed mole ratio of MMA/MSp comonomer of about 5.5/1. Well-defined poly(methyl methacrylate- random-methacrylate spirooxazine) have been obtained with the average molecular weight (Mn) of 6500 g/mol and polydispersity of 1.21. The structure and properties of the resulting copolymers were characterized by proton nuclear magnetic resonance (1H NMR), gel permeation chromatography, Fourier Transform infrared, UV-visible spectroscopy, and differential scanning calorimetry. Moreover, the copolymer exhibited the erasable and rewritable photoimaging on the solid state film which could to be as potential candidate for optical data storage materials.
Highlights
The creation of functional optical materials having photoactive properties has become one of the most promising objects in materials science
Spirooxazine being a class of photochromic compounds are potentially applicable as chemical-UV-dosimeters for personal protection[3,4] or they can be incorporated into the materials used for packaging applications in the case of UV sensitive products like food products
1-nitrosonaphthalene-2,7-diol reacted with 1,3,3-trimethyl2-methyleneindoline to form spirooxazine-hydroxyl, which subsequently reacted with methacryloyl chloride to give methacrylate-spirooxazine (MSp)
Summary
The creation of functional optical materials having photoactive properties has become one of the most promising objects in materials science These materials are used in the fabrication of several optoelectronic devices such as optical memories, switches, and holograms. T. recently, Dübner et al have published the copolymer brushes, composed of glycidyl methacrylate and a furanprotected maleimide-containing monomer, after postpolymerization modification, they have functioned microperoxidase-11 and photochromic spiropyran moieties, the polymer brushes catalyzed the oxidation of 3,3′5,5′- tetramethylbenzidine. Recently, Dübner et al have published the copolymer brushes, composed of glycidyl methacrylate and a furanprotected maleimide-containing monomer, after postpolymerization modification, they have functioned microperoxidase-11 and photochromic spiropyran moieties, the polymer brushes catalyzed the oxidation of 3,3′5,5′- tetramethylbenzidine Their obtained brushed copolymers exhibited the light‐induced spiropyran-merocyanine transition under UV or visible-light, turnover by more than 1 order of magnitude[14]. The synthesized copolymers exhibited the spiroozazine‐merocyanine transition under UV irradiation for both solution and solid film state
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