Polyaniline-maleicacid-dodecylhydrogensulfate Salt as Sensor Material for Toxic Gases

被引：14

作者：

Palaniappan, Srinivasan ^{[1
]}

Saravanan, Chandrasekaran ^{[1
]}

机构：

[1] Indian Inst Chem Technol, Organ Coatings & Polymers Div, Hyderabad 500607, Andhra Pradesh, India

来源：

JOURNAL OF APPLIED POLYMER SCIENCE | 2010年 / 118卷 / 01期

关键词：

sensors; conducting polymers; emulsion polymerization; THIN-FILM; AMMONIA GAS; CONDUCTING POLYMERS; DOPED POLYANILINE; AQUEOUS AMMONIA; ADSORPTION; ELECTRODE; HUMIDITY; STATE; CO;

D O I：

10.1002/app.32347

中图分类号：

O63 [高分子化学（高聚物）];

学科分类号：

070305 ; 080501 ; 081704 ;

摘要：

This article reports the results of novel polyaniline material as gas sensor, capable of operating at room temperature for toxic gases. Polyaniline-maleicacid-dodecylhydrogensulfate salt (PANI-MA-DHS) was prepared by emulsion polymerization pathway, which is soluble in N, N-dimethyl formamide. PANI-MA-DHS was coated on a ceramic bead by simple brush coating method and used as sensor material. The resistance change of PANT-MA-DHS material for NH3, CO2, SO2, and H2S gases at different concentrations (10, 100, 1000, and 10,000 ppm level) was monitored for sensor characteristics. The stability of the polyaniline material under continuous exposure of gas level from 10 to 10,000 ppm was also studied. This novel gas sensor material has advantages such as excellent sensing ability, low cost, fast regeneration time (similar to 1-2 min), simple experimental setup, and operable at room temperature. (C) 2010 Wiley Periodicals, Inc. J Appl Polym Sci 118: 518-524, 2010

引用

页码：518 / 524

页数：7

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