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One of the most significant subgroups of thermosetting polymers is the epoxy resins (ERs). The majority of investigations focus on changing it chemically using a reactive elastomer, especially carboxy-terminated butadiene acrylonitrile copolymer (CTBN). According to standard practice, extra ER is added to dilute the resulting pre-polymer of CTBN modified epoxy resin before curing.
One of the most typical and extensively used techniques to improve the mechanical properties of ERs is to modify them using reactive liquid rubbers. The hydroxyl-terminated polybutadiene (HTPB) rubbers bearing terminal functional groups have been used to modify the ERs, according to data from the literature.
The Global modified epoxy resins market accounted for $XX Billion in 2022 and is anticipated to reach $XX Billion by 2030, registering a CAGR of XX% from 2023 to 2030.
Urethane acrylate was used to modify epoxy resin E-44 and a silane coupling agent to modify SiO2 nanoparticles in a composite made of modified epoxy resin and modified nano-SiO2. The resulting materials were examined using X-ray diffraction, mechanical strength testing, Fourier Transform infrared spectroscopy (FTIR), scanning electron microscopy (SEM), transmission electron microscopy (TEM), and hardness testing.
With its greatly improved mechanical qualities, the composite showed considerable potential for use in dental materials. Modified nanoparticles have a significantly higher degree of dispersion than their unmodified counterparts, it has been demonstrated.
An intensive research effort has been made to create materials with acceptable mechanical and physical qualities since the mechanical properties of dental resin composite depend greatly on the combination of inorganic particles and resin matrix.Silane coupling agent is widely utilised in many different industries and is essential for improving the adherence of inorganic nanoparticles to organic polymers.
The surface treatment of nano-SiO2 particles was done by the Kim group using a silane coupling agent, and the best conditions for making dental composites were investigated. Dental resin-based composites with inorganic nanoparticles treated with silane coupling agents can have their mechanical characteristics strengthened as well as their wear and water resistance.
The performance of a new composite made of epoxy polymer and inorganic particles is greatly influenced by the curing process. The light curing approach is more quicker and more environmentally friendly than conventional thermal curing because the substrate does not need to be heated.
