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Properties improvement of PMMA using nano TiO_2

机译:纳米TiO_2改善PMMA的性能。

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TiO_2 nanofillers (5 nm, 0-15% weight) have been introduced in the PMMA matrix using a twin screw extruder to increase the performance of PMMA. The twin screw extrusion process is optimized to disperse the particles into PMMA. Nanofiller infusion improves the thermal, mechanical, and UV absorption properties of PMMA. TiO_2-PMMA nanocomposites exhibit the increase in tensile modulus (90%), decomposition temperature (31%), dimension stability (~ 60%) and UV absorption (~ 410%). Properties of the nanoTiO _2-PMMA composites are depending on the dispersion of TiO_2 in the PMMA matrix. It is interrelated with loading. Formation and disappearance of the peaks in FTIR confirm the chemical interaction of PMMA with TiO _2.
机译:TiO_2纳米填料(5 nm,0-15%的重量)已使用双螺杆挤出机引入PMMA基质中,以提高PMMA的性能。优化了双螺杆挤出工艺,以将颗粒分散到PMMA中。纳米填料灌注改善了PMMA的热,机械和紫外线吸收特性。 TiO_2-PMMA纳米复合材料的拉伸模量(90%),分解温度(31%),尺寸稳定性(〜60%)和紫外线吸收(〜410%)均增加。纳米TiO _2-PMMA复合材料的性能取决于TiO_2在PMMA基体中的分散性。它与加载相关。 FTIR峰的形成和消失证实了PMMA与TiO _2的化学相互作用。

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