Cationic cyanuric chloride derivative tanning agent and preparation method thereof

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United States of America Patent

PATENT NO 11702712
APP PUB NO 20220220569A1
SERIAL NO

17556206

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Abstract

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A cationic cyanuric chloride derivative tanning agent and a preparation method thereof are disclosed. The method includes: mixing 9.22-36.88 parts of cyanuric chloride, 21.35-100.31 parts of a solvent, and 7.12-33.44 parts of deionized water, all by mass, in an ice-water bath to obtain a mixture A; at a temperature of 0-5° C., adding 2.98-20.44 parts of a tertiary ammonia compound to the mixture A, and subjecting the resulting mixture to a reaction for 4-6 hours, during which its pH value is adjusted with an acid-binding agent solution to 6.0-7.0, to obtain a mixture B; filtering the mixture B, washing the filter cake, and vacuum drying for 4-6 h to obtain a solid C, and grinding to obtain the cationic cyanuric chloride derivative tanning agent.

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Patent Owner(s)

Patent OwnerAddress
SHAANXI UNIVERSITY OF SCIENCE AND TECHNOLOGY710021 SHAANXI PROVINCE XI'AN WEIYANG UNIVERSITY PARK NO 1 XI'AN CITY SHAANXI PROVINCE 710021

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Qiang, Xihuai Xi'an, CN 1 0
Wang, Xuyang Xi'an, CN 19 36
Xie, Chao Xi'an, CN 54 92

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