聚乙二醇2000含量对TiO<sub>2</sub>薄膜性能的影响

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Abstract TiO₂ membrane was prepared by sol-gel method through using tetrabutyl titanate as the precursor, PEG as an additive. Thermal stability, crystal phase change, specific surface area, pore structure, surface morphology, and hydrophilicity of the membrane were characterized by means of TG-DTG, XRD, BET, SEM and contact angle analysis etc. The results show that,with the increase of PEG2000 content, the temperature of TiO₂ membrane anatase crystal transformed into rutile crystal increases, the surface of membrane develops from dense and smooth to cracking and course, the specific surface area continues to increase and the average pore size decreases, the contact angle increases from 3° to 20.2°. When the PEG2000 content is 5%, TiO₂membrane has the best performance and super hydrophilicity.

Key words： TiO₂ membrane polyethylene glycol surface microstructure hydrophilicity thermal property

Received: 26 June 2018 Published: 12 July 2019

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	TONG Zhi
	WANG Lei
	FAN Lu
	YANG Bowen
	SUN Xiaojuan
	XING Jing

Cite this article:

TONG Zhi,WANG Lei,FAN Lu, et al. Effect of polyethylene glycol 2000 content on the properties of TiO₂ membrane[J]. Materials Science and Engineering of Powder Metallurgy, 2019, 24(1): 52-57.

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http://pmbjb.csu.edu.cn/EN/ OR http://pmbjb.csu.edu.cn/EN/Y2019/V24/I1/52

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