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The photopolymer, light-activated resin, and UV curable resin are further names for the photosensitive resin.
It is a polymer that, when exposed to light, usually in the ultraviolet or visible range of the electromagnetic spectrum, modifies its characteristics.
These modifications are frequently structurally apparent; for instance, the material becomes harder as a result of cross-linking when exposed to light.
Where the following raw components are included in the high-performance photosensitive acrylic resin mixture, in parts by mass: Modified natural rubber is made by combining natural rubber emulsion with polyethyleneimine solution, adding hydroxyethyl methacrylate and triethylene diamine as initiators, reacting at 80 to 90 degrees Celsius, drying, and freeze-grinding to 300 mesh.
It is then combined with 60 to 80 parts polyether polyol methacrylate, 5 to 10 parts 1, 5-naphthalene diisocyanate, 10 to 40 parts diluent, and 1-2 parts
The polyethyleneimine has a fifty percent aqueous solution concentration, and its polymerization degree is 1200–1300; the polyether polyol methacrylate is made by performing an ester exchange reaction on the polyether polyol and the methacrylate; the polyether polyol is polyethylene glycol, and its relative molecular mass is 200–5000; the natural rubber emulsion is made from high-ammonia concentrated natural latex, and its solid content is greater than Methacrylic acid phosphate serves as the accelerator, whereas trihydroxy acrylate, 1, 6-hexanediol diacrylate, or styrene.
The Global photosensitive acrylic resins market accounted for $XX Billion in 2021 and is anticipated to reach $XX Billion by 2030, registering a CAGR of XX% from 2022 to 2030.
GO-modified TiO2 nanoparticles and new polymerizable photoinitiators are the foundation of UV-curable photosensitive acrylic/silicone resins.
It was created as a brand-new polymerizable benzophenone photoinitiator (BPA) that contains acryloxy. Methacrylic-silicone resins (MASR) that are photosensitive are photopolymerized after being exposed to BPA.
PA is a powerful photoinitiator that may produce radicals during the photolysis reaction and then consume them by copolymerization with MASR.
After twenty seconds of UV light, the UV-curing silicone resins system developed by BPA demonstrated a high conversion of carbon-carbon double bonds exceeding eighty percent. Additionally, composites made of reduced graphene oxide (rGO) and TiO2 were developed using a hydrothermal reaction.
The carbon-carbon double bonds conversion of MASR to eighty six percent with fifteen seconds of UV irradiation was further boosted by the synergistic actions of graphene and TiO2, proving that the addition of rGO-TiO2 considerably improves the formulation’s UV-curing reactivity.
The thermal stability of UV-cured MASR with rGO-TiO2 was also very good.