CORROSION BEHAVIOR OF XYLENE UNSATURATED POLYESTER RESIN IN 30% NITRIC ACID

J Chin Soc Corr Pro

1995, Vol. 15

Issue (2): 105-111 DOI:

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CORROSION BEHAVIOR OF XYLENE UNSATURATED POLYESTER RESIN IN 30% NITRIC ACID

Zhong Xuijun; Wang Jinggang; Wu Chunzhi; Jiao Yangsheng (East China University of Science and Technology)

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Abstract The corrosion behavior of xylene unsaturated polyester resin (XUPR) was studied in 30% HNO3 solution at ambient temperature and 90℃ by using weight-loss testing, corrosion layer thickness measurement,SEM and FT-IR techniques, etc. The results showed that, weight-loss and corrosion farer thickness of thesamples inereased initially with immersion time, then went up to a certain value that was dependent ontemperature. The corrosion mechanism was proposed. Physical absorption and chemical reaction mighttake place on the specimen surf are during immersion. The surface layer produced could act as a barrierto further diffusion of HNO3 into the specimen. It could be concluded that XUPR is a good material ofcorrosion-resistance to 30% HNO3 solution.

Key words: Xylene Unsaturated polyester Nitric acid Corrosion

Received: 25 April 1995

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Zhong Xuijun; Wang Jinggang; Wu Chunzhi; Jiao Yangsheng (East China University of Science and Technology). CORROSION BEHAVIOR OF XYLENE UNSATURATED POLYESTER RESIN IN 30% NITRIC ACID. J Chin Soc Corr Pro, 1995, 15(2): 105-111.

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https://www.jcscp.org/EN/ OR https://www.jcscp.org/EN/Y1995/V15/I2/105

1张挺芳,陆嘉星．电解质溶液,上海:上海科学技术文献出版社,1991,p202(美)中西香尔,P．H．索罗曼著,吴平平,洪林,韩哲文译．红外吸收光谱,中国化学会,1986,p533LambertJB,ShurellHF,LightnerDA．IntroductiontoOrganicSpectrosocpy,NewYorkMacmillanPublishingCompany,1987,p744杭州大学化学系分析化学教研室．分析化学手册,第三分册,电化学分析与光学分析,北京:化学工业出版社,1983,p2385(美)．H．威拉德,L．L．小梅里特,J．A．迪安著,李树田译·仪器分析法,北京:机械工业出版社,1984,p158

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