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Development of New TiO_2 Nanoparticles Modified Photosensitive Resin for Rapid Prototyping

机译：快速制备新型TiO_2纳米粒子改性光敏树脂的研究

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The objective of this study is to enhance the thermal and mechanical properties of the photosensitive resin for RP (Rapid Prototyping) modifying with TiO2 nanoparticles NPs. The coupling agent KH570 was chosen for treating the surface of TiO2 NPs. The influence of the TiO2 content on the viscosity and the curing depth of photosensitive resin were analyzed in this study. We also tested the mechanical properties such as tensile modulus, tensile strength, hardness and flexural strength. Using differential scanning calorimetry, we tested the thermal stability of the modified photosensitive resin. Modified photosensitive resin's comprehensive performance was really good when the content of TiO2 was at 0.25%, the increase in tensile strength from 24.3 to 46.9 MPa was noticed to be 89%, the increase in tensile modulus from 1990 to 2251 MPa was noticed to be 18%, the increase in hardness and flexural strength was noticed to be 5 and 6%, respectively. Moreover, the heat stability and plasticity of the modified photosensitive resin are also enhanced. This paper gives a cost-efficient method of improving the functioning of photosensitive resin for RP.
机译：这项研究的目的是增强用TiO2纳米粒子NP改性的RP（快速原型）的光敏树脂的热和机械性能。选择偶联剂KH570来处理TiO2 NPs的表面。研究了TiO2含量对光敏树脂粘度和固化深度的影响。我们还测试了机械性能，例如拉伸模量，拉伸强度，硬度和弯曲强度。使用差示扫描量热法，我们测试了改性光敏树脂的热稳定性。当TiO2含量为0.25％时，改性光敏树脂的综合性能确实很好，从24.3到46.9 MPa的拉伸强度提高了89％，从1990到2251 MPa的拉伸模量提高了18。 ％，硬度和抗弯强度的增加分别为5％和6％。此外，改性光敏树脂的热稳定性和可塑性也得到增强。本文提供了一种经济高效的方法来改善RP的光敏树脂的功能。

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