Dalian University of Technology

Zhuhai Ninestar Management Co., Ltd.

Ninestar Management Co., Ltd.

Shaolei Li

Feng Wang

Xiaojun Peng

Rong Zhang

Jinhe Wu

Jiangli Fan

Tao Liu

Shiguo Sun

Fengling Song

Jianzhou Zhang

Jingyue Wang

Licheng Wang

Zhengru Yang

Fanming Meng

Zhi Long

Shiyu Li

Licheng Liaoning

The present invention relates to a class of magenta dyes, their preparation methods and applications. The magenta dyes include the compounds which simultaneously contain carboxyl group, sulfonic acid group and the carbonyl propyl sulfurylsulfonic acid on the anthrapyridone skeleton, showing in the form of general formula (I) or their mixtures. In the general formula (I): A may be cation M, or substituted or unsubstituted benzyl group, or substituted or unsubstituted naphthyl methyl; M, M, Mare respectively cation or cationic groups; Sulfonic acid group (SOM)may located any position of the benzene ring, of which m is an integer of 0-2. As containing carboxyl (or carboxylic benzyl ester or naphthoate), sulfonic acid groups and carbonyl propyl sulfuryl simultaneously, the magenta dyes of the present invention feature outstanding tone, brightness, light resistance, water resistance, ozone resistance as well as solubility and solution stability, etc. 

Magenta dyes and their preparation methods and applications

The present invention relates to a class of compounds of general formula (I) or their salts of general formula (II): In formula (I)-(II), the substituents (A)p and (SOH)n on the benzene ring are at the ortho, meta or para position, n is 0-2, and p is 0-3; M is selected from Li, Na, K, NHor organic ammonium salt NRRRR, where R, R, R, Rare the same or different H, Calkyl groups, cyclohexyl groups, CHCHOH, CH(CH)CHOH or benzyl groups; where p&#x3e;0, A stands for the same or different groups selected from: H, CN, NO, NH, F, Cl, Br, Calkyl group, cyclohexyl group, phenyl group, benzyl group, phenoxy group, Calkoxy group, Calkylthio group, SOCH&#x2550;CH, SOCHCHA, NRCORor NRSOR.

Anthrapyridone sulfonic acid compounds and their preparation methods and applications

The present invention relates to compounds shown in the general formula (I) or (III), the salts thereof or their mixtures, as well as their preparation method and application. In the general formula (I), Xis H or COH; Xis OH or phenyl group with 0-2 sulfonic acid substituents, and the sulfonic acid substituents are located at random positions of a benzene ring; when Xis OH, Xis H; when Xis phenyl group with 0-2 sulfonic acid substituents, Xis H or COH; n is an integer of 0-2; and in the general formula (III), n and m are respectively an integer of 0-2. The compounds and the mixtures not only have improved light resistance, ozone resistance and water resistance, but also have excellent water solubility and long-term stability in ink-jet ink. 

Carbonyl propyl sulfuryl anthrapyridone sulfonic acid compounds and their preparation methods and applications

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Dalian, China

Shaolei Li