MONOAZO-BASED DYE FOR ACID DETECTION

WIPO Patent Application WO/2015/088134

A1

The present invention relates to a monoazo-based dye for acid detection, which changes color on the addition of acid or on the exposure to acid and, more specifically, to a dye which changes color within a few seconds upon exposure to a trace of a strong acidic material, and a textile product employing the same. The monoazo-based dye for acid detection according to the present invention has an effect of reacting with a trace of strong acid to change color, and returning to the original color when the acid is removed. Also, a textile dyed with the dye of the present invention exhibits high color fastness and is thus not discolored and faded by laundering or sunlight. In addition, there is an effect of preventing secondary contamination at an accident scene, and a serious accident from harmful environmental factors by providing, when manufacturing protective or working clothes by employing the textile, a function enabling a worker to recognize an exposure to acid in real time in the case of being exposed to an environment contaminated with acids.

WO/2007/058209

DISPERSE DIE, DISPERSE DIE COMPOSITION, INK FOR INK-JET PRINTING, AND STAINING METHOD AND STAINED MATERIAL USING THE DIE, COMPOSITION OR INK

KIM TAE KYEONG (KR)

PCT/KR2014/009805

June 18, 2015

October 17, 2014

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KYUNGPOOK NAT UNIV IND ACAD (KR)

C09B29/08; G01N31/22

KR100910170B1	2009-07-30
KR101339336B1	2013-12-09
KR101172860B1	2012-08-09
KR101230098B1	2013-02-05

KIM, TAE KYEONG ET AL.: "Synthesis and Application of Alkyl-substituted High Chroma Yellow Dyes for Unmodified Polypropylene Fiber", FIBERS AND POLYMERS, vol. 10, no. 2, 2009, pages 148 - 153

SON, MIN (KR)
손민 (KR)

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