TiO2纳米粒子填料对TiO2/LDPE纳米复合薄膜结构、光学、热学和力学性能的影响

IF 1 4区材料科学 Q4 MATERIALS SCIENCE, MULTIDISCIPLINARY

Digest Journal of Nanomaterials and Biostructures Pub Date : 2023-03-01 DOI:10.15251/djnb.2023.181.273

V. Thongpool, A. Phunpueok, S. Jaiyen, T. Sornkwan, W. Jakarbutr, P. Minyong

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引用次数: 0

摘要

本研究将低密度聚乙烯(LDPE)聚合物基质与二氧化钛(TiO2)纳米颗粒混合作为紫外线阻隔填料，制成温室覆盖膜。结果表明，TiO2/LDPE纳米复合材料薄膜中含有5%重量的TiO2纳米粒子，具有最佳的温室应用性能。在所有条件下制备的TiO2/LDPE纳米复合材料薄膜几乎可以100%阻挡紫外线(200- 400 nm)辐射，并表现出良好的热稳定性。含有5% wt TiO2纳米粒子的TiO2/LDPE纳米复合膜在可见光范围内的透光率约为80%，足以满足植物的光合作用。拉伸强度为12.142 MPa，断裂伸长率为319.274%，力学性能良好。

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Effect of TiO2 nanoparticles filler on structural, optical, thermal, and mechanical properties of TiO2/LDPE nanocomposites films

This study blended low-density polyethylene (LDPE) polymer matrix with titanium dioxide (TiO2) nanoparticles as UV blocking filler to create a greenhouse cover film. The best properties for greenhouse application were discovered in TiO2/LDPE nanocomposites films with 5% wt TiO2 nanoparticles, according to the results. TiO2/LDPE nanocomposites films prepared in all conditions can block almost 100% of the UV (200- 400 nm) radiation and show good thermal stability. The TiO2/LDPE nanocomposites films with 5% wt TiO2 nanoparticles has a light transmittance in the visible range of about 80%, sufficient for plant photosynthesis. In addition, it showed good mechanical properties with 12.142 MPa of tensile strength and 319.274% of elongation at break.

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