CN101735663B - Composite black disperse dye - Google Patents

Abstract

The present invention provides a composite black dye dispersion, including one or more structures such as shown in formula (I) of the blue component A, one or more structural formula (II) shown in yellow component B, one or more structural blue component C and one or more structures of formula (III) as shown in FIG formula (IV) red component D, based on the components a, B , C and component D, the weight fraction of component a is 30 to 85% by weight fraction of component B is 1 to 45% by weight fraction of component C is 1 to 30% by weight fraction of component D is 1 to 30%; with the composite of the present invention disperse dye hydrophobic fiber materials, by adjusting the ratio between the different components, can be obtained having bright colored light, rubbing fastness and good color black dyed fabric, is an economic and environmentally friendly dyeing good performance composite disperse black dye.

Description

A complex black dye dispersion

(-) FIELD

[0001] The present invention relates to a composite black dye dispersion, in particular, relates to dyeing hydrophobic fiber materials suitable, especially the dyed polyester fiber material, the black dye composition comprising a dispersion of a specific structure.

(B) Background Art

[0002] Since the 1970s, the rapid development of disperse dyes, disperse dyes in recent years to develop new varieties of our country, although relatively slower than in previous years, but a lot more difficult species have been successfully developed and industrialized, and the quality is close to the foreign Similar products. Especially dark blue to black disperse most of the complex varieties, because the structure of a single species there is often a lack of deep dyeing and lifting force, poor fastness properties drawback, so a complex of different disperse dyes, disperse dyes is to get black effective way to increase the effective depth of dyes and fixing color fastness of the fabric to obtain better results. Further, for general dyed black, when the light source is changed, easily lead to discoloration phenomenon, i.e., the color rendering property could be improved in terms of dye. Currently, due to the dispersion blue, a great amount of black dye, complex blending various reports also many patents, such as U.S. Patent No. US6159249, etc. Korean Patent KR 0156834B disclose related complex azo dyes prepared using composite black dyes technology, but there are aspects of dyeing performance, economy and other issues are still not ideal, especially in recent years, the outbreak of the financial crisis, the cost of dye put forward higher requirements.

(Iii) Disclosure of the Invention

[0003] The present invention is an improvement patent application CN101323712A aspect, the object is to provide a good color fastness to rubbing, good color rendering performance, cost-effective dispersion of composite black dye.

[0004] aspect of the present invention is that:

[0005] A complex black dye dispersion, including one or more structures such as blue component A of formula (I) shown, one or more structural formula (II) shown in a yellow group points B, one or more structural formula (III) shown in blue component C and one or more structures of formula (IV) shown in red component D, based on the component a, B, C and component D, the weight fraction of component a is 30~85% by weight fraction of component B is I~45%, the weight fraction of component C is I~30%, the weight fraction of component D is I~30%;

[0006]

[0007] Formula (I) wherein = X1 is cyano or halogen; R2 are each independently C1-C4 alkyl, -CH2COOR12, -C2H4COOR13 or -C2H4OCOCH3, wherein R12, R13 are each independently C1~C4 alkyl group, R3, R4 are each independently C1~C4 alkyl group;

In [0008] formula (II): X2 is a hydrogen or a nitro group, X3 is methoxy, -OSO2-PK -OSO2-CH3 or _C0_Ph, wherein, Ph represents a phenyl group, R5 is a C1~C4 alkyl group;

In the [0009] Formula (III): X4 is O or NH; R6 is cyano, hydroxy X1~C4 alkoxy or phenyl-substituted alkyl of C1~C4.

In [0010] of formula (IV): R7 is -0CH3, -NHCOCH3> -NHCOC2H5 or -NHSO2CH3, η is the number I or 2.

[0011] Preferably, [alpha] based on the component, component B, component C and component D, the weight fraction of component A is 35~80% by weight fraction of component B is 5 ~ 40 %, of the weight fraction of component C I~25%, the weight fraction of component D is ~25% I.

[0012] The composite dispersion further comprises a violet black dye component Ε formula (V) shown, based on the components A, B, C, D and component E, Component A mass fraction of 30~85 %, preferably 35~80%; mass fraction of component B I~45%, preferably 5 ~ 40%; mass fraction of component C I~30%, preferably I~25%; mass fraction of component D I~25%, preferably I~20%; mass fraction of component E I~25%, preferably I~20%.

[0013] Preferably, the complex black dye represented by the dispersion of component A, component B, component C, component D and component E consisting of, based on the component A, component B, component C, component D and component E, component A content of 35~80%; mass fraction of component B is 5 ~ 40%; mass fraction of component C I~25%; mass fraction of component D I~20 %; mass fraction of component E I~20%. [0014] The blue component A is preferably of the formula wherein one or a mixture of two or more:

[0015]

[0017] The yellow component, preferably of the formula B wherein one or a mixture of two or more:

[0020] The blue component C is preferably of the formula wherein one or a mixture of two or more:

[0021]

[0023] The red component of the formula D is preferably one or a mixture of two or more of which:

[0024]

[0025] The red component of the formula E is preferably one or a mixture of two or more of which:

[0026]

[0027] Preferably, the composite black dispersion dye represented by the formula (1-1) Component A shown in blue, yellow component B of formula (I1-1) and formula (I1-3) represented by the formula (II1-1) and component C shown in blue formula (IV-1) is composed of a red component D, the mass fraction of component a is 30~85%, mass fraction of component B is I~ 45%, mass fraction of the component C is I~30%, mass fraction of component D is I~30%.

[0028] Alternatively, the composite dispersion black dye represented by the formula (1-1) blue components A, of formula (I1-1) and formula (I1-3) shown in yellow component B, of formula ( component D II1-1 shown in red) blue component C, formula shown in (IV-1) and (V-1 shown) composed of component E purple, mass fraction of component a is 30~ 85%, mass fraction of component B is I~45%, mass fraction of the component C is I~30%, mass fraction of component D is I~30%, mass fraction of component E is I~30% . Wherein component B, of formula (I1-1) of the formula (I 1-3) may be mixed in any ratio.

[0029] The compound of the present invention disperse dye, according to the particular formulation mixing ratio, black tone can be obtained, stained by a conventional manner in the industry, to obtain full hue, good rubbing fastness, good color rendering, environmental economy dye fabric.

[0030] The present formula (I) used in the invention is a dye compound of the formula - (V), according to the art may be conveniently synthesized in a manner well known in the art, wherein component A production method described in Patent CN1208057 reference may also be using commercially available; component B prepared in accordance with patent JP61019664, JPl1158402 described, it may also be commercially available; component C may be prepared according to patent US4904796 described, may also be commercially available; component D It may be prepared in accordance with described in Patent US5550217, commercially available products may be used; component E may be prepared in accordance with described in Patent CN1195003, commercially available products may also be employed.

[0031] The specific dye industry, it is not necessary made difficult pure, often with some of the impurities in the production process, the dye composition of the present invention also allows small amounts of moisture when the finished products and comprising physical traces of impurities.

Composite according to [0032] of the present invention, a black dye dispersion, the dispersion generally needs to be added to aid application. For example, the original dye of formula (I), (II), (III) and (IV) represented by the above-described mixing ratio, in the presence of auxiliaries, water or other wetting agents or grinding with a sand mill fine particles of a grinder, etc.; may additionally be the original dye of formula (I), (II), (III) and (IV) are represented in the adjuvant, the presence of water with sand or other wetting agents after the machine or grinding machine for fine mill treatment were mixed in the ratio described above. Typically, the weight ratio of adjuvant to the original dye 0.8-5: I. Further, the dye may be purchased directly from the respective commodity market dry spell.

[0033] The additives commonly used compound is a disperse dye dispersant, diffusion and the like, preferably one of the following or any mixtures of several of: naphthalene sulfonate formaldehyde condensate, alkylnaphthalene sulfonate formaldehyde condensate , benzyl naphthalene sulfonate formaldehyde condensate, lignin sulfonate, anionic dispersants. In particular, naphthalene sulfonate formaldehyde condensates, such as diffusing agent ΝΝ0, alkylnaphthalene sulfonate formaldehyde condensate dispersant as the MF (methyl naphthalene sulfonate formaldehyde condensate), benzyl naphthalene sulfonate formaldehyde condensates and the like, such as diffusing agent CNF lignin sulfonates such as lignin sulfonate (commercially available as dispersants Reax83A, Reax85A) and the like.

[0034] The composite dispersion according to the present invention, a black dye, can be an ordinary dip dyeing method, it may be used for direct printing. Wherein the common exhaust method as polyester fabric pretreatment, for dip into the vat, Bi dyeing, cold water to neutrality, wringing, and then subjected to reduction cleaning and drying; direct printing, as will be dyed fabric pretreatment , drying, amorphous, disperse dyes in the printing machine printing paste, then steaming by the steaming manner fabric dye fixing, washing and finally, stenter.

Composite [0035] The black dye dispersion of the present invention, can be fine particles of the liquid, cream or state by spray drying or the like powder after drying, particles are fed state staining. When using the composite of the present invention disperse dye hydrophobic fiber materials, by adjusting the ratio between the different components, can be obtained having bright colored light, rubbing fastness and good color black dyed fabric, is an economic and environmentally friendly excellent dyeing properties of composite black dye dispersion.

(IV) DETAILED DESCRIPTION

[0036] The following embodiments in conjunction with specific embodiments of the present invention is further described, although the scope of the present invention is not limited thereto:

[0037] Example 1:

[0038] A 55 g of the component of formula (1-1), 15 g of Formula (I1-1) and 10 g (I1-3) of the component B, 10 g of Formula (II1-1) component c , 10 g of formula (IV-1) of component D, 150 grams dispersant the MF, uniform mixing with water, dried and milled dispersion, derived products. The dye can provide a fabric having good color rendering dark.

[0039] Example 2:

And component B [0040] A 50 g of the component of formula (1-1), 13 g of Formula (I1-1) and 13 g of formula (11-3), 14 grams group of formula (Ill-ι) of points C, 5 g component D of formula (IV-1), and 5 g of formula (V-1) component E, 60 grams and 100 grams of sodium lignosulfonate dispersing agent ΝΝ0, add water, stir, grinding dispersion and dried to obtain the finished product. The dye can provide an excellent color rendering performance of a deep black fabric.

[0041] Example 3~11: [0042] The data shown in Table I, the component A, component B, component C, MF100 g of component D, component E, a dispersant, lignin sulfonate sodium 50 g, add water, stir, milled dispersion and dried to obtain the finished product.

[0043] TABLE I

[0044]

[0045]

[0046] Comparative Example 1:

Example [0047] Referring CN101323712A 1, A 60 g of the component of formula (VI), component B 14 g of formula (VII), and 6 g of formula (VIII), the component C, 20 g of Formula (IX), component D, 150 g of sodium lignosulfonate, add water and stir uniformly, grinding

And drying the dispersion, the dye derived products.

[0048]

[0049] Dyeing Example 12:

[0050] 2 grams from each Example 1~11, Comparative I was prepared disperse dye dispersed in 500 ml of water, 15 ml of water mixed with 60 ml of suction, the mixture was adjusted to PH acetate dyeing bath 5 heated to 70 ° C while placed 2 g of polyester fiber cloth were stained within 30 minutes elevated from 70 ° C to 130 ° C, for 30 minutes, cooling the sample starts to 90 ° C. Using GB / T3920, GB / T15610 were tested and assess their rubbing fastness, color rendering properties, results were obtained: 1~11 embodiment using a dye obtained in Example stained sample were 4 to 5 rubbing fastness level or more, color rendering level difference were more than 4, using dyeing dye comparative sample I obtained in which the color fastness to rubbing (grade 4 to 5 mol of dry, wet stage 4 mol), color rendering property evaluation level difference of only 3 , and said black dye compound of the present invention in terms of cost in Comparative Example I was superior to the dye composition, and therefore, compared to the Comparative I is a dye, the dye of the present invention is more economical, more effective, more for the broad market prospects.

Claims (9)

1. A complex black dye dispersion, including one or more structural components A blue as shown in formula (I), the yellow component B of one or more structures such as shown in formula (II), and blue component C and one or more structures such as one or more structures of formula (III) as shown in FIG formula (IV) red component D, based on the components a, B, C and component D, the weight fraction of component a is 30~85% by weight fraction of component B is I~45%, the weight fraction of component C is I~30%, the weight fraction of component D is I~ 30%;

Of formula (I) wherein = X1 is cyano or halogen conditions, R2 are each independently C1~C4 alkyl group, -CH2C00R12, -C2H4COOR13 or -C2H4OCOCH3, wherein R12, R13 are each independently C1~C4 alkyl group, R3, R4 are each independently C1~C4 alkyl group; in the formula (II): X2 is a hydrogen or a nitro group, X3 is methoxy, -OSO2-PK -OSO2-CH3 or -CO-Ph, wherein, Ph represents phenyl, R5 is C1~C4 alkyl group; in the formula (III): X4 is O or NH; R6 is alkyl substituted by cyano, hydroxy 'C1~C4 alkoxy group or a phenyl group C1~C4 of burning; of formula (IV) in: R7 is _0CH3, -NHCOCH3> -NHCOC2H5 or -NHSO2CH3, η is the number I or 2.

2. The compound according to claim 1 dispersed black dye, wherein said composite further comprises a black dye dispersion Epsilon violet component, based on the component Α, B, C, D and Epsilon component, component A mass fraction of 30~85%, mass fraction of component B to component C I~45% ,; mass fraction I~30% ,; mass fraction of component D I~25%, mass fraction of component E I~25%; said component E is of the formula wherein one or a mixture of two or more:

The composite according to claim 2 black dye dispersion, which is characterized in that: said black dye represented by the composite dispersion component A, component B, component C, component D and component E consisting of, based on the component A, component B, component C, component D and component E, component A content of 35~80%; mass fraction of component B is 5 ~ 40%; mass fraction of component C I~ 25%; mass fraction of component D I~20%; mass fraction of component E I~20%.

4. The composite according to any one of claims 1 ~ 3 black dye dispersion, characterized in that the blue component of formula A is one or a mixture of two or more thereof wherein:

5. The composite according to any one of claims 1 ~ 3 black dye dispersion, characterized in that the yellow component of the formula B wherein one or a mixture of two or more of:

6. The composite according to any one of claims 1 ~ 3 black dye dispersion, characterized in that the blue component C of the formula wherein one or two or more thereof:

7. The composite according to any one of claims 1 ~ 3 black dye dispersion, wherein the red component of the formula D wherein one or a mixture of two or more of:

8. The compound according to claim 1 dispersed black dye, wherein: said composite dispersed black dye represented by the formula (1-1) blue component [alpha], of formula (I1-1) and formula (I1 -3 shown) of a yellow component B, component C and blue of formula (IV -1) represented by the formula (II1-1) represented by component D composed of red, mass fraction of component a is 30~ 85%, mass fraction of component B is 1~45%, mass fraction of the component C is I~30%, mass fraction of component D is I~30%;

9. The composite according to claim 1 dispersed black dye, wherein: said composite dispersion component Α blue black dye represented by the formula (1-1) represented by the formula (I1-1) and formula (I1 -3 shown) of a yellow component B, represented by the formula (II1-1) blue component C, component D red formula (IV -1), and as shown in (V -1 shown) purple group points E composition, mass fraction of component a is 30~85%, mass fraction of component B is I~45%, mass fraction of the component C is I~30%, mass fraction of component D is I~30 %, mass fraction of component E is I~30%;