Preparation and Properties of Triethoxysilane Functionalized Poly(phthalazinone ether nitrile) Self-Assembled Thin Films

doi:10.11944/j.issn.1000-0518.2016.02.150205

Chinese Journal of Applied Chemistry ›› 2016, Vol. 33 ›› Issue (2): 169-174.DOI: 10.11944/j.issn.1000-0518.2016.02.150205

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Preparation and Properties of Triethoxysilane Functionalized Poly(phthalazinone ether nitrile) Self-Assembled Thin Films

JIN Qifeng^a^*(),JIANG Dongyue^a,TONG Lina^a,JIAN Xigao^b

^aSchool of Chemistry and Chemical Engineering,Liaoning Normal University,Dalian,Liaoning 116021,China
^bDepartment of Polymer Science & Materials,Dalian University of Technology,Dalian,Liaoning 116012,China

Received:2015-06-17 Accepted:2015-11-12 Published:2016-02-01 Online:2016-02-01
Contact: JIN Qifeng
Supported by:
Supported by Doctoral Scientific Research Foundation of Liaoning Province(No.20111066)

Abstract

Abstract:

A novel triethoxysilyl-functionalized poly(phthalazinone ether nitrile)(PNAS) was synthesized by hydrolysis, acylation and 3-aminopropyltriethoxysilance-functionalization, and characterized by FTIR, ²⁹Si NMR, DSC and TGA. The self-assembled polymer film was designed to serve as wear resistant coating for silicon surface. It has an excellent heat-resistance with a glass transition temperature and the temperature at which 5% mass loss at 329 ℃ and 492 ℃, respectively. The surface morphology of self-assembled film was studied by atomic force microscopy, while the friction performance was investigated using reciprocating friction tester. Comparing with the short chain self-assembled film, the friction coefficient of the prepared film is very low(about 0.07 at the loading of 400 nN), and the anti-wear behavior is good, with a lack of failure after sliding over 5 hours.

Key words: poly(aryl ether nitrile), self-assembled film, tribology, lubrication

JIN Qifeng, JIANG Dongyue, TONG Lina, JIAN Xigao. Preparation and Properties of Triethoxysilane Functionalized Poly(phthalazinone ether nitrile) Self-Assembled Thin Films[J]. Chinese Journal of Applied Chemistry, 2016, 33(2): 169-174.

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Preparation and Properties of Triethoxysilane Functionalized Poly(phthalazinone ether nitrile) Self-Assembled Thin Films

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