6533b7dbfe1ef96bd12714e1

RESEARCH PRODUCT

Development of a Textile Nanocomposite as Naked Eye Indicator of the Exposition to Strong Acids

Isabel PallásJosé V. Ros-lisMaría Dolores MarcosRamón Martínez-máñez

subject

INGENIERIA DE LA CONSTRUCCIONTextilecolourTextileComposite number02 engineering and technologystrong acidlcsh:Chemical technology010402 general chemistry01 natural sciencesBiochemistryArticleColourAnalytical Chemistrychemistry.chemical_compoundQUIMICA ORGANICAsensormedicineMesoporous materiallcsh:TP1-1185Electrical and Electronic EngineeringInstrumentationSensorNanocompositetextilesensor; indicator; mesoporous material; colour; strong acid; textilemesoporous materialbusiness.industryindicatorQUIMICA INORGANICA021001 nanoscience & nanotechnologymedicine.diseaseAtomic and Molecular Physics and Optics0104 chemical sciencesIndicatorchemistryCovalent bondNaked eyeMethanol0210 nano-technologyMesoporous materialbusinessStrong acidVapoursNuclear chemistry

description

[EN] Chemical burns, mainly produced by acids, are a topic of concern. A new sensing material for the detection of strong acids able to be incorporated into textiles has been developed. The material is prepared by the covalent attachment of 2,2 ',4,4 ',4 ''-pentamethoxy triphenyl methanol to a mesoporous material which further is included in a nitro resin to obtain a colourless composite. The response of this composite to diverse acid solutions was tested showing the appearance of an intense purple colour (with a colour difference higher than 160) that can be monitored by the naked eye or could be easily digitised to feed an instrumental sensor. Reversibility and resistance to washing cycles were studied with positive results. Finally, the response of the sensing composite to acid vapours was assayed, observing a colour change similar to that found in solution.

yearjournalcountryeditionlanguage
2017-09-16Sensors
https://doi.org/10.3390/s17092134