REACTIVE DYE COMPOUND, AND PREPARATION METHOD THEREFOR AND USES THEREOF

WIPO Patent Application WO/2019/020123

A1

A reactive dye compound, and a preparation method therefor and uses thereof. The structure of the reactive dye compound is represented by formula (I), D1 and D2 being formula (a) or (b) or (c) separately, and D1 and D2 being not formula (a) at the same time; R1, R2, R4, R5, R7 and R8 being H, C1-C4 alkyls, C1-C4 alkoxies or sulfonic acid groups separately; m=0-3, each R3 being separately selected from an amino, a sulfonic acid group, a carbamido, C1-C4 alkyl, C1-C4 alkanoyl aminos or C1-C4 alkoxy; n=0-3, each R6 being separately selected from a hydroxyl, an amino or a sulfonic acid group; X1, X2 and X3 being H, C1-C4 alkyl, C1-C4 alkoxies, -SO2Y1, -NHCO(CH2)pSO2Y2 or -CONH(CH2)qSO2Y3 separately, and at least one of D1 and D2 containing fiber active groups, Y1-Y3 being –CH=CH2, -C2H4OSO3H or -CH2CH2Cl separately, and p,q=1-3. The present invention provides applications of the dye compound in cellulose fibers, polyamide fibers and printing and dyeing of fabrics thereof, has a high fixation degree, has a good lifting force and has stable bonding with fibers.

GAO HUAIQING (CN)
HE YAOYAO (CN)
WANG ZHUAN (CN)
WANG RENLIANG (CN)
GUO YUANZHI (CN)
ZHANG HAIBIN (CN)
CHEN WEIZHANG (CN)

PCT/CN2018/097755

January 31, 2019

July 30, 2018

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ZHEJIANG KEYONG CHEMICAL CO LTD (CN)
SHANGHAI KEHUA DYESTUFF IND CO LTD (CN)

D06P1/384; C09B62/513; D06P3/24

CN107501995A	2017-12-22
CN103205137A	2013-07-17
CN104755561A	2015-07-01
CN1781996A	2006-06-07

TIANZHENG PATENT ATTORNEYS (CN)

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