Journal of Textile Research ›› 2021, Vol. 42 ›› Issue (11): 124-128.doi: 10.13475/j.fzxb.20201208305

• Dyeing and Finishing & Chemicals • Previous Articles     Next Articles

Effect of ultrasonic treatment on 4,4'-diaminodiphenylmethane in polyurethane coating of polyester fabric

ZHU Lanfang1(), BAI Jie2, ZHOU Yincheng1, HOU Chengwei3   

  1. 1. Suzhou Institute of Fiber Inspection, Suzhou, Jiangsu 215500, China
    2. China Textile Engineering Society, Beijing 100025, China
    3. TAEKWANG Industrial Co., Ltd., Suzhou, Jiangsu 215500, China
  • Received:2020-12-31 Revised:2021-08-29 Online:2021-11-15 Published:2021-11-29

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Abstract:

Aiming at the problem of high detection rate of 4,4'-diaminodiphenylmethane in polyester fabric samples with polyurethane coating treated with xylene solvent decolorization and great difference in results, o-xylene, m-xylene and p-xylene were used as extraction solvents respectively, and polyurethane coated polyester fabric was studied by ultrasonic extraction, and the effects of ultrasonic treatment time, temperature, type of dispersant and volume fraction of dispersant on the peak area response value of 4,4'-diaminodiphenylmethane mass spectrometry were studied.It was found that when the dispersant acetonitrile was transferred, the response value of the target was the highest. When the volume fraction of acetonitrile was 50%, 70%, 70%, respectively, the peak area of the target substance of the extraction residue of o-xylene, m-xylene and p-xylene was the highest, and when the treatment temperature was 40,50,60 ℃, p-xylene, o-xylene and m-xylene were used as extraction solvent, the peak area of the target compound reached the peak, and the extraction efficiency was the best when the treatment time was 45-50 min.

Key words: 4,4'-diaminodiphenylmethane, xylene isomer, polyurethane coating, ultrasonic treatment, polyester fabric

CLC Number: 

  • TS19

Tab.1

Peak area of samples for different kinds of dispersant"

分散剂
种类		 峰面积
邻二甲苯 间二甲苯 对二甲苯
甲醇 263 858 384 858 83 779
乙腈 350 878 509 057 281 455
乙醇 227 587 187 623 214 321

Fig.1

Peak area of samples for different volume fraction of acetonitrile dispersant"

Fig.2

Peak area of samples for different ultrasonic temperature"

Fig.3

Peak area of samples for different ultrasonic time"

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