CN102234940A - Preparation method of superfine fiber suede leather and prepared superfine fiber suede leather - Google Patents

Preparation method of superfine fiber suede leather and prepared superfine fiber suede leather Download PDF

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CN102234940A
CN102234940A CN 201010155964 CN201010155964A CN102234940A CN 102234940 A CN102234940 A CN 102234940A CN 201010155964 CN201010155964 CN 201010155964 CN 201010155964 A CN201010155964 A CN 201010155964A CN 102234940 A CN102234940 A CN 102234940A
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China
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dyeing
consumption
preferable
superfine fibre
orders
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CN 201010155964
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Chinese (zh)
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CN102234940B (en
Inventor
于晓成
孙向浩
刘勇胜
贺旋
胡忠杰
王贺玲
夏佳弟
刘国
吴勇
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上海华峰超纤材料股份有限公司
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Abstract

The invention discloses a preparation method of a superfine fiber suede leather and the prepared superfine fiber suede leather. The preparation method comprises the following steps that: a buffed base cloth is subject to dyeing with the effect of a dye containing an azo structure and molecules with polar groups and the effect of auxiliary agents, then after-treatment is carried out, wherein, the dyeing is carried out at room temperature with the heating rate of 0.5 DEG C/min-1.5 DEG C/min and the dyeing temperature of 90-130 DEG C. The preparation method is simple, the prepared superfine fiber suede leather has two-color tone, can satisfy the requirements of processing various kinds and smallot superfine fiber suede leather and increase the colors and patterns of the product, satisfying the requirements that the consumer goes after fashion and personality.

Description

A kind of preparation method of superfine fibre suede and the superfine fibre suede that makes
Technical field
The superfine fibre suede that the present invention relates to a kind of preparation method of superfine fibre suede and make.
Background technology
Along with the development of new material technology, the superfine fiber chemical leather of latest generation is applied to fields such as gloves, footwear, case and bag, family property, automotive trim, clothes with its excellent physical property; Along with the change of people's consumption idea, increasing consumer accepts and approval superfine fiber chemical leather product; Along with the raising of people's living standard, the consumer is more and more higher to the designs and varieties requirement of superfine fiber chemical leather product, the product that their more glad pursuit has fashion and individual character.
Suede is widely used in substituting the field of suede nap product as a big important branch product of superfine fiber chemical leather, and is applied to more frontier by developing.The superfine fibre suede mainly is made up of polyurethane (PU) and nylon 6 (PA6), development by staining technique, at present, the dyeability of suede product is greatly improved on the market, poor, the problems such as dyeing uniformity is poor, every COLOR FASTNESS difference of superfine fibre depth of former existence have been solved, but follow the fashion and the requirement of individual character for consumers in general, existing do not have Related product can satisfy this requirement on the market, existing suede preparation method is still waiting to improve product specification, further improves product competitiveness.
Summary of the invention
Technical problem to be solved by this invention is the superfine fibre suede that the invention provides a kind of preparation method of superfine fibre suede and make.Preparation method of the present invention is simple, and the superfine fibre suede that makes has two-color effect, can satisfy the processing of many kinds, the super fine suede of small lot, increases the designs and varieties of product, satisfies that the consumer follows the fashion and the needs of individual character.
The preparation method of superfine fibre suede of the present invention comprises the steps: the base cloth of mill behind the skin contained the dyestuff of polar group having azo structure and molecule, and carries out dyeing under the effect of auxiliary agent, carries out postfinishing process afterwards and gets final product; Wherein, described dyeing room temperature rises dyes, and heating rate is 0.5 ℃/min~1.5 ℃/min, and the temperature of dyeing is 90 ℃~130 ℃.
Among the present invention, the inventor find to use through lot of experiments describedly has azo structure and molecule contains the dyestuff of polar group, and in conjunction with the special process conditions of selecting, can realize the good technique effect.And heating rate and dyeing temperature why will dye the time are controlled in the scope of the present invention, are that the inventor finds through lot of experiments; Described heating rate and dyeing temperature are bigger to superfine fibre suede influence of the present invention in conjunction with the dyestuff that the present invention uses, for example, can produce the look flower if heating rate is too fast, dyeing product is powerful to descend and the too high meeting of temperature makes, the too low meeting of temperature causes the low problem of dyeing product Dry Sack rate, therefore preferred especially above-mentioned heating rate of the present invention and temperature, more preferably, the further preferred heating rate of the present invention is 0.7 ℃/min~1.0 ℃/min.
Wherein, described have azo structure and molecule contain the dyestuff of polar group preferable for having the DISPERSE DYES that azo structure and molecule contain polar group, that best is Dianix Brown ETD 300%, Dianix Rubine ETD 300%, Dianix Deep Navy ETD 400% or Dianix Grey ETD (De Sida (Shanghai) trade Co., Ltd).Wherein, described polar group is preferable is in hydroxyl, amino, amide groups, cyano group, halogen and the ester group one or more.Wherein, the consumption of described dyestuff can be this area conventional amount used, and that preferable is 0.5%~10%o.w.f., that better is 1%~6%o.w.f., for reaching best suede COLOR FASTNESS, best consumption is 1%~3%o.w.f., and described o.w.f. is that dyestuff is to the fabric weight ratio.
Among the present invention, described mill skin is this area routine operation, and what described buffing paper specification was preferable is 400 orders~800 orders, and better is 600 orders.
Among the present invention, the base cloth that described base cloth makes for this area common process, concrete preparation method can select by this area general knowledge as required, what described base cloth was preferable is made by following method: the spinning of superfine fibre, preparation non-weaving cloth, pressing non-weaving cloth, non-weaving cloth be impregnated in the polyurethane slurry, solidify, carry out decrement afterwards successively and open fibre, the expanding drying skin that oils and tan, promptly get superfine fiber polyurethane synthetic leather base fabric.Wherein, the thickness of described base cloth generally according to client's specific requirement preparation, is generally 0.6mm~2.0mm.
Among the present invention, the step of described dyeing is this area routine operation step, be generally article to be dyed be impregnated in the solution that contains dyestuff, and after beginning to be warming up to dyeing temperature from uniform temperature, insulation dyeing, cooling afterwards gets final product.The present invention has selected for use dyeing to rise in room temperature to dye especially, and heating rate is 0.5 ℃/min~1.5 ℃/min, and the temperature of dyeing is 90 ℃~130 ℃, and other conditions that relate to for dyeing can be this area normal condition.That the temperature retention time of described dyeing is preferable is 50min~90min.The rate of temperature fall of described dyeing is preferable is 0.5 ℃/min~1.5 ℃/min, better is 0.7 ℃/min~1.0 ℃/min.What the cooling temperature of described dyeing was preferable is 40 ℃~70 ℃.The bath of dye liquor of described dyeing than preferable be 1: 5~1: 30, described bath raio is meant the weight ratio that is colored fabric and dye liquor.
Among the present invention, washing after generally according to this area routine operation dye solution being discharged after the described dyeing enters next step technological operation again.
Among the present invention, described auxiliary agent is the conventional auxiliary agent that this area dyeing is used, those skilled in the art should know according to concrete dyeing and select proper assistant, and described auxiliary agent is preferable is in dispersant, defoamer, levelling agent and the acetic acid one or more.
Wherein, described levelling agent is the conventional levelling agent in this area, that preferable is N-hydroxyphthalimide, phthalimide, N-alkyl phthalic imide, N, N-diethylbenzene acid amides, N, N-dibutyl formamide, N, N-dimethyl-octa acid amides, N, one or more in N-dimethyl certain herbaceous plants with big flowers acid amides, O-phthalic base phenylester and the N-cyclohexyl pyrrolidones.
That wherein, described dispersant dosage is preferable is 0.5g/L~1.5g/L; That described defoamer consumption is preferable is 0.1g/L~1g/L; That described levelling agent consumption is preferable is 1.5%~4.5%o.w.f.; That described acetic acid consumption is preferable is 0.3g/L~1.5g/L.
Among the present invention, described postfinishing process is the technological operation of this area routine, and the skin napping is soaped, dries and ground to preferable comprising the steps: with the synthetic leather after the dyeing, carries out finishing functions processing by customer requirement afterwards and gets final product.
Wherein, described soaping to this area superfine fibre suede routine operation of soaping is used for the eccysis loose colour, at the superfine fibre suede that the present invention relates to preferable be 40 ℃~98 ℃ 5min~30min that soap, that better is 60 ℃ of 15min that soap.
Wherein, the napping of described mill skin is this area routine operation, and what described buffing paper specification was preferable is 400 orders~800 orders, and better is 600 orders.
Wherein, described finishing functions is this area routine operation, preferable in antibiotic finish, antistatic finish, flame-proof treatment, water-proof finish and the anti-ultraviolet finishing one or more.
The invention still further relates to the superfine fibre suede that the preparation method of superfine fibre suede of the present invention makes.
Agents useful for same of the present invention and raw material are all commercially available to be got.
On the basis that meets this area general knowledge, the optimum condition of each above-mentioned technical characterictic can make up arbitrarily and obtain preferred embodiments among the present invention.
Positive progressive effect of the present invention is: the superfine fibre suede that the invention provides a kind of preparation method of superfine fibre suede and make.Preparation method of the present invention is simple, the superfine fibre suede that makes has two-color effect, can satisfy the processing of many kinds, the super fine suede of small lot, increase the designs and varieties of product, satisfy that the consumer follows the fashion and the needs of individual character, for example, the grey product can imitate " mouse skin " style, purplish blue look product can imitate cowboy style, the consumer who is followed the fashion deeply likes, and the product colorfastness to rubbing that makes, washing variable color fastness and washing staining fastness test effect are all better.
Description of drawings
The outward appearance picture of the superfine fibre suede that Fig. 1 makes for embodiment 6.
The outward appearance picture of the superfine fibre suede that Fig. 2 makes for embodiment 7.
The outward appearance picture of the superfine fibre suede that Fig. 3 makes for embodiment 8.
The outward appearance picture of the superfine fibre suede that Fig. 4 makes for embodiment 9.
The outward appearance picture of the superfine fibre suede that Fig. 5 makes for comparative example 1.
The outward appearance picture of the superfine fibre suede that Fig. 6 makes for comparative example 2.
The specific embodiment
Mode below by embodiment further specifies the present invention, but does not therefore limit the present invention among the described scope of embodiments.
The source of the raw material that uses among the following embodiment is:
Dyestuff Dianix Brown ETD 300%, Dianix Rubine ETD 300%, Dianix DeepNavy ETD 400%, Dianix Grey ETD derive from De Sida (Shanghai) trade Co., Ltd;
Dispersant NNO derives from Shanghai Wang Jie trade Co., Ltd;
Levelling agent P-EW derives from De Sida (Shanghai) trade Co., Ltd;
Defoamer FOAMASTER 340 derives from Kekai Fine Chemical (Shanghai) Co., Ltd..
Embodiment 1
A kind of preparation method of superfine fibre suede comprises the steps:
(1) gets 8R00D 2G dyeing base cloth (Shanghai Huafon Micreofibre Technology Co., Ltd. provides, and is the preparation of this area conventional method), base cloth thickness is 0.6mm, with 400 order sand paper mill skin;
(2) dyeing: get dyestuff Dianix Brown ETD 300%, consumption is 0.5%o.w.f., and dispersant NNO consumption 0.5g/L, defoamer FOAMASTER 340 consumption 0.1g/L, levelling agent P-EW consumption 1.5%o.w.f., acetic acid consumption 0.3g/L, bath of dye liquor was than 1: 5, and room temperature rises dyes, and the control heating rate is at 0.5 ℃/min, be warming up to 90 ℃, insulation 50min, rate of temperature fall is cooled to 40 ℃ at 0.5 ℃/min, discharge washing;
(3) aftertreatment technology: 60 ℃ of 15min that soap of the synthetic leather after will dyeing, the napping of 400 order sand paper mill skin is adopted in oven dry then, carries out antibiotic finish and antistatic finish again, gets final product.Wherein, described antibiotic finish is with reference to " printing and dyeing handbook (second edition, 617-621 page or leaf, China Textiles Press, in May, 2003 publication); Antistatic finish is with reference to " printing and dyeing handbook (second edition, 609-612 page or leaf, China Textiles Press, in May, 2003 publication).
Embodiment 2
A kind of preparation method of superfine fibre suede comprises the steps:
(1) gets 8R00D 2G dyeing base cloth (Shanghai Huafon Micreofibre Technology Co., Ltd. provides, and is the preparation of this area conventional method), base cloth thickness is 2.0mm, with 800 order sand paper mill skin;
(2) dyeing: get dyestuff Dianix Rubine ETD 300%, consumption is 10%o.w.f., and dispersant NNO consumption 1.5g/L, defoamer FOAMASTER 340 consumption 1g/L, levelling agent P-EW consumption 4.5%o.w.f., acetic acid consumption 1.5g/L, the bath of dye liquor ratio is 1: 30, and room temperature rises dyes, and the control heating rate is at 1.5 ℃/min, be warming up to 130 ℃, insulation 90min, rate of temperature fall is cooled to 70 ℃ at 1.5 ℃/min, discharge washing;
(3) aftertreatment technology: 60 ℃ of 15min that soap of the synthetic leather after will dyeing, the napping of 800 order sand paper mill skin is adopted in oven dry then, carries out flame-proof treatment and water-proof finish again, gets final product.Wherein, flame-proof treatment is with reference to " printing and dyeing handbook (second edition, 565-570 page or leaf, China Textiles Press, in May, 2003 publication); Water-proof finish is with reference to " printing and dyeing handbook (second edition, 559-564 page or leaf, China Textiles Press, in May, 2003 publication).
Embodiment 3
A kind of preparation method of superfine fibre suede comprises the steps:
(1) gets 8R00D 2G dyeing base cloth (Shanghai Huafon Micreofibre Technology Co., Ltd. provides, and is the preparation of this area conventional method), base cloth thickness is 0.8mm, with 600 order sand paper mill skin;
(2) dyeing: get dyestuff Dianix Rubine ETD 300%, consumption is 6%o.w.f., and dispersant NNO consumption 1g/L, defoamer FOAMASTER 340 consumptions are 0.2g/L, levelling agent P-EW consumption 2%o.w.f., acetic acid consumption 1.0g/L, the bath of dye liquor ratio is 1: 10, and room temperature rises dyes, and the control heating rate is at 0.7 ℃/min, be warming up to 105 ℃, insulation 60min, rate of temperature fall is cooled to 60 ℃ at 1.0 ℃/min, discharge washing;
(3) aftertreatment technology: 60 ℃ of 15min that soap of the synthetic leather after will dyeing, the napping of 600 order sand paper mill skin is adopted in oven dry then, carries out anti-ultraviolet finishing again, gets final product.Wherein, anti-ultraviolet finishing is with reference to " function textile " (Shang Chengjie writes, 220-224 page or leaf, China Textiles Press, in July, 2006 publication).
Embodiment 4
A kind of preparation method of superfine fibre suede comprises the steps:
(1) gets 8R00D 2G dyeing base cloth (Shanghai Huafon Micreofibre Technology Co., Ltd. provides, and is the preparation of this area conventional method), base cloth thickness is 0.8mm, with 600 order sand paper mill skin;
(2) dyeing: get dyestuff Dianix Grey ETD, consumption is 1%o.w.f., and dispersant NNO consumption 1g/L, defoamer FOAMASTER 340 consumption 0.2g/L, levelling agent P-EW consumption is 2%o.w.f., acetic acid consumption 1.0g/L, the bath of dye liquor ratio is 1: 10, and room temperature rises dyes, and the control heating rate is at 1.0 ℃/min, be warming up to 105 ℃, insulation 60min, the control rate of temperature fall is cooled to 60 ℃ at 0.7 ℃/min, discharge washing;
(3) aftertreatment technology: 60 ℃ of 15min that soap of the synthetic leather after will dyeing, the napping of 600 order sand paper mill skin is adopted in oven dry then, carries out antibiotic finish again, gets final product.Wherein, described antibiotic finish is with reference to " printing and dyeing handbook (second edition, 617-621 page or leaf, China Textiles Press, in May, 2003 publication).
Embodiment 5
A kind of preparation method of superfine fibre suede comprises the steps:
(1) gets 8R00D 2G dyeing base cloth (Shanghai Huafon Micreofibre Technology Co., Ltd. provides, and is the preparation of this area conventional method), base cloth thickness is 0.8mm, with 600 order sand paper mill skin;
(2) dyeing: get dyestuff Dianix Deep Navy ETD 400%, consumption is 3%o.w.f., and dispersant NNO consumption 1g/L, defoamer FOAMASTER 340 consumption 0.2g/L, levelling agent P-EW consumption 2%o.w.f., acetic acid consumption 1.0g/L, the bath of dye liquor ratio is 1: 10, and room temperature rises dyes, and the control heating rate is at 0.7 ℃/min, be warming up to 105 ℃, insulation 60min, rate of temperature fall is cooled to 60 ℃ at 1 ℃/min, discharge washing;
(3) aftertreatment technology: 60 ℃ of 15min that soap of the synthetic leather after will dyeing, the napping of 600 order sand paper mill skin is adopted in oven dry then, carries out one or several method for sorting of antibiotic finish and anti-ultraviolet finishing etc. again, gets final product.Wherein, described antibiotic finish is with reference to " printing and dyeing handbook (second edition, 617-621 page or leaf, China Textiles Press, in May, 2003 publication); Anti-ultraviolet finishing is with reference to " function textile " (Shang Chengjie writes, 220-224 page or leaf, China Textiles Press, in July, 2006 publication).
Embodiment 6
A kind of preparation method of superfine fibre suede comprises the steps:
(1) gets 8R00D 2G dyeing base cloth (Shanghai Huafon Micreofibre Technology Co., Ltd. provides, and is the preparation of this area conventional method), base cloth thickness is 0.8mm, with 600 order sand paper mill skin;
(2) dyeing: get dyestuff Dianix Rubine ETD 300%, consumption is 3%o.w.f., and dispersant NNO consumption 0.5g/L, defoamer FOAMASTER 340 consumption 0.2g/L, levelling agent P-EW consumption 1.5%o.w.f., acetic acid consumption 0.5g/L, bath of dye liquor was than 1: 12, and room temperature rises dyes, and the control heating rate is at 0.7 ℃/min, be warming up to 105 ℃, insulation 50min, rate of temperature fall is cooled to 40 ℃ at 0.5 ℃/min, discharge washing;
(3) aftertreatment technology: 40 ℃ of 30min that soap of the synthetic leather after will dyeing, the napping of 400 order sand paper mill skin is adopted in oven dry then, carries out antibiotic finish and antistatic finish again, gets final product.Wherein, described antibiotic finish is with reference to " printing and dyeing handbook (second edition, 617-621 page or leaf, China Textiles Press, in May, 2003 publication); Antistatic finish is with reference to " printing and dyeing handbook (second edition, 609-612 page or leaf, China Textiles Press, in May, 2003 publication).
The superfine fibre suede outward appearance that makes is as seen shown in Figure 1, has good two-color effect, and colored fashion can satisfy that the consumer follows the fashion and the needs of individual character.
Embodiment 7
A kind of preparation method of superfine fibre suede comprises the steps:
(1) gets 8R00D 2G dyeing base cloth (Shanghai Huafon Micreofibre Technology Co., Ltd. provides, and is the preparation of this area conventional method), base cloth thickness is 0.8mm, with 600 order sand paper mill skin;
(2) dyeing: get dyestuff Dianix Deep Navy ETD 400%, consumption is 2.5%o.w.f., and dispersant NNO consumption 0.5g/L, defoamer FOAMASTER 340 consumption 0.1g/L, levelling agent P-EW consumption 1.5%o.w.f., acetic acid consumption 0.5g/L, bath of dye liquor was than 1: 12, and room temperature rises dyes, and the control heating rate is at 0.7 ℃/min, be warming up to 105 ℃, insulation 50min, rate of temperature fall is cooled to 40 ℃ at 0.5 ℃/min, discharge washing;
(3) aftertreatment technology: 98 ℃ of 5min that soap of the synthetic leather after will dyeing, the napping of 400 order sand paper mill skin is adopted in oven dry then, carries out antibiotic finish and antistatic finish again, gets final product.Wherein, described antibiotic finish is with reference to " printing and dyeing handbook (second edition, 617-621 page or leaf, China Textiles Press, in May, 2003 publication); Antistatic finish is with reference to " printing and dyeing handbook (second edition, 609-612 page or leaf, China Textiles Press, in May, 2003 publication).
The superfine fibre suede outward appearance that makes is as seen shown in Figure 2, has good two-color effect, and colored fashion can satisfy that the consumer follows the fashion and the needs of individual character.
Embodiment 8
A kind of preparation method of superfine fibre suede comprises the steps:
(1) gets 8R00D 2G dyeing base cloth (Shanghai Huafon Micreofibre Technology Co., Ltd. provides, and is the preparation of this area conventional method), base cloth thickness is 0.8mm, with 600 order sand paper mill skin;
(2) dyeing: get dyestuff Dianix Brown ETD 300%, consumption is 1%o.w.f., and dispersant NNO consumption 0.5g/L, defoamer FOAMASTER 340 consumption 0.1g/L, levelling agent P-EW consumption 1.5%o.w.f., acetic acid consumption 0.3g/L, bath of dye liquor was than 1: 12, and room temperature rises dyes, and the control heating rate is at 0.7 ℃/min, be warming up to 105 ℃, insulation 50min, rate of temperature fall is cooled to 40 ℃ at 0.5 ℃/min, discharge washing;
(3) aftertreatment technology: 70 ℃ of 20min that soap of the synthetic leather after will dyeing, the napping of 400 order sand paper mill skin is adopted in oven dry then, carries out antibiotic finish and antistatic finish again, gets final product.Wherein, described antibiotic finish is with reference to " printing and dyeing handbook (second edition, 617-621 page or leaf, China Textiles Press, in May, 2003 publication); Antistatic finish is with reference to " printing and dyeing handbook (second edition, 609-612 page or leaf, China Textiles Press, in May, 2003 publication).
The superfine fibre suede outward appearance that makes is as seen shown in Figure 3, has good two-color effect, and colored fashion can satisfy that the consumer follows the fashion and the needs of individual character.
Embodiment 9
A kind of preparation method of superfine fibre suede comprises the steps:
(1) gets 8R00D 2G dyeing base cloth (Shanghai Huafon Micreofibre Technology Co., Ltd. provides, and is the preparation of this area conventional method), base cloth thickness is 0.8mm, with 600 order sand paper mill skin;
(2) dyeing: get dyestuff Dianix Grey ETD, consumption is 1.5%o.w.f., and dispersant NNO consumption 0.5g/L, defoamer FOAMASTER 340 consumption 0.1g/L, levelling agent P-EW consumption 1.5%o.w.f., acetic acid consumption 0.3g/L, bath of dye liquor was than 1: 12, and room temperature rises dyes, and the control heating rate is at 0.7 ℃/min, be warming up to 105 ℃, insulation 50min, rate of temperature fall is cooled to 40 ℃ at 0.5 ℃/min, discharge washing;
(3) aftertreatment technology: 60 ℃ of 15min that soap of the synthetic leather after will dyeing, the napping of 400 order sand paper mill skin is adopted in oven dry then, carries out antibiotic finish and antistatic finish again, gets final product.Wherein, described antibiotic finish is with reference to " printing and dyeing handbook (second edition, 617-621 page or leaf, China Textiles Press, in May, 2003 publication); Antistatic finish is with reference to " printing and dyeing handbook (second edition, 609-612 page or leaf, China Textiles Press, in May, 2003 publication).
The superfine fibre suede outward appearance that makes is as seen shown in Figure 4, has good two-color effect, and colored fashion can satisfy that the consumer follows the fashion and the needs of individual character.
Effect embodiment 1
With reference to the method for GB/T 3920-1997, the superfine fibre suede that embodiment 6~9 is made carries out the colorfastness to rubbing test, and test result is as shown in table 1.
Table 1
Effect embodiment 2
With reference to the method for GB/T 3921-2008, the superfine fibre suede that embodiment 6~9 makes is washed variable color and staining fastness test, test result is as shown in table 2.
Table 2
The comparative example 1
A kind of preparation method of superfine fibre suede comprises the steps:
(1) gets 8R00D 2G dyeing base cloth (Shanghai Huafon Micreofibre Technology Co., Ltd. provides, and is the preparation of this area conventional method), base cloth thickness is 0.6mm, with 600 order sand paper mill skin;
(2) dyeing: get ACID DYES Telon Blue A2R (De Sida (Shanghai) trade Co., Ltd provides), consumption is 2%o.w.f., defoamer FOAMASTER 340 consumption 0.1g/L, levelling agent PL (the refined fortune auxiliary agent in Shanghai Co., Ltd provides) consumption 1%o.w.f., acetic acid consumption 0.5g/L, bath of dye liquor was than 1: 10, room temperature rises dyes, the control heating rate is warming up to 100 ℃ at 0.5 ℃/min, insulation 50min, rate of temperature fall is at 0.5 ℃/min, be cooled to 60 ℃, discharge, washing;
(3) aftertreatment technology: 60 ℃ of 15min that soap of the synthetic leather after will dyeing, the napping of 600 order sand paper mill skin is adopted in oven dry then, carries out antibiotic finish and antistatic finish again, gets final product.Wherein, described antibiotic finish is with reference to " printing and dyeing handbook (second edition, 617-621 page or leaf, China Textiles Press, in May, 2003 publication); Antistatic finish is with reference to " printing and dyeing handbook (second edition, 609-612 page or leaf, China Textiles Press, in May, 2003 publication).
The superfine fibre suede outward appearance that makes is as seen shown in Figure 5, even dyeing, this Comparative Examples is removed the dyestuff of use not in the dye range that the present invention selects for use, other dyeings are all in the scope of application of dyeing of the present invention, but it does not have two-color effect fully as can be known by the suede outward appearance shown in the figure, far away from superfine fibre suede effect of the present invention.
The comparative example 2
A kind of preparation method of superfine fibre suede comprises the steps:
(1) gets 8R00D 2G dyeing base cloth (Shanghai Huafon Micreofibre Technology Co., Ltd. provides, and is the preparation of this area conventional method), base cloth thickness is 0.6mm, with 600 order sand paper mill skin;
(2) dyeing: get the yellow HD of neutral dye (going up Haixing County health chemical industry Co., Ltd provides), consumption is 5%o.w.f., defoamer FOAMASTER 340 consumption 0.1g/L, levelling agent PL (the refined fortune auxiliary agent in Shanghai Co., Ltd provides), consumption 1%o.w.f., acetic acid consumption 1g/L, bath of dye liquor was than 1: 10, and room temperature rises dyes, and the control heating rate is at 0.5 ℃/min, be warming up to 100 ℃, insulation 50min, rate of temperature fall is cooled to 60 ℃ at 0.5 ℃/min, discharge washing;
(3) aftertreatment technology: 60 ℃ of 15min that soap of the synthetic leather after will dyeing, the napping of 600 order sand paper mill skin is adopted in oven dry then, carries out antibiotic finish and antistatic finish again, gets final product.Wherein, described antibiotic finish is with reference to " printing and dyeing handbook (second edition, 617-621 page or leaf, China Textiles Press, in May, 2003 publication); Antistatic finish is with reference to " printing and dyeing handbook (second edition, 609-612 page or leaf, China Textiles Press, in May, 2003 publication).
The superfine fibre suede outward appearance that makes is as seen shown in Figure 6, even dyeing, this Comparative Examples is removed the dyestuff of use not in the dye range that the present invention selects for use, other dyeings are all in the scope of application of dyeing of the present invention, but it does not have two-color effect fully as can be known by the suede outward appearance shown in the figure, far away from superfine fibre suede effect of the present invention.
The comparative example 3
(1) gets 8R00D 2G dyeing base cloth (Shanghai Huafon Micreofibre Technology Co., Ltd. provides, and is the preparation of this area conventional method), base cloth thickness is 0.8mm, with 600 order sand paper mill skin;
(2) dyeing: get dyestuff Dianix Grey ETD, consumption is 1.5%o.w.f., and dispersant NNO consumption 0.5g/L, defoamer FOAMASTER 340 consumption 0.1g/L, levelling agent P-EW consumption 1.5%o.w.f., acetic acid consumption 0.3g/L, bath of dye liquor was than 1: 12, and room temperature rises dyes, and the control heating rate is at 1.0 ℃/min, be warming up to 150 ℃, insulation 50min, rate of temperature fall is cooled to 40 ℃ at 0.5 ℃/min, discharge washing;
(3) aftertreatment technology: 60 ℃ of 15min that soap of the synthetic leather after will dyeing, the napping of 600 order sand paper mill skin is adopted in oven dry then, carries out antibiotic finish and antistatic finish again, gets final product.Wherein, described antibiotic finish is with reference to " printing and dyeing handbook (second edition, 617-621 page or leaf, China Textiles Press, in May, 2003 publication); Antistatic finish is with reference to " printing and dyeing handbook (second edition, 609-612 page or leaf, China Textiles Press, in May, 2003 publication).
This comparative example 3 and embodiment 9 contrasts, its dyeing temperature is higher to be 150 ℃, and not in the dyeing scope that the present invention selects, cause thus dyeing suede fracture strength and tearing strength descend bigger, and the suede that promptly dyes is powerful to descend.With reference to GB/T 1040.3-2006 test fracture strength, measure Comparative Examples 3 and embodiment 9 respectively with reference to GB/T 8948-1994 test tearing strength, the concrete outcome data are as shown in table 3, and its test effect far is worse than embodiments of the invention 9.
Table 3

Claims (10)

1. the preparation method of a superfine fibre suede, it is characterized in that: it comprises the steps: the base cloth of mill behind the skin contained the dyestuff of polar group having azo structure and molecule, and carry out dyeing under the effect of auxiliary agent, carry out postfinishing process afterwards and get final product; Wherein, described dyeing room temperature rises dyes, and heating rate is 0.5 ℃/min~1.5 ℃/min, and the temperature of dyeing is 90 ℃~130 ℃.
2. preparation method as claimed in claim 1, it is characterized in that: described to have dyestuff that azo structure and molecule contain polar group be to have the DISPERSE DYES that azo structure and molecule contain polar group, and that preferable is Dianix Brown ETD 300%, Dianix Rubine ETD 300%, DianixDeep Navy ETD 400% or Dianix Grey ETD; Described polar group is one or more in hydroxyl, amino, amide groups, cyano group, halogen and the ester group.
3. preparation method as claimed in claim 1 or 2 is characterized in that: the consumption of described dyestuff is 0.5%~10%o.w.f., and that preferable is 1%~6%o.w.f., and that better is 1%~3%o.w.f., and described o.w.f. is that dyestuff is to the fabric weight ratio.
4. as each described preparation method of claim 1~3, it is characterized in that: the temperature retention time of described dyeing is 50min~90min; The rate of temperature fall of described dyeing is 0.5 ℃/min~1.5 ℃/min, preferable is 0.7 ℃/min~1.0 ℃/min; The cooling temperature of described dyeing is 40 ℃~70 ℃; The bath of dye liquor ratio of described dyeing is 1: 5~1: 30, and described bath raio is meant the weight ratio that is colored fabric and dye liquor.
5. as each described preparation method of claim 1~4, it is characterized in that: described heating rate is 0.7 ℃/min~1.0 ℃/min.
6. as each described preparation method of claim 1~5, it is characterized in that: described base cloth is made by following method: the spinning of superfine fibre, the preparation non-weaving cloth, the pressing non-weaving cloth, non-weaving cloth be impregnated in the polyurethane slurry, solidify, carry out decrement afterwards successively and open fibre, the expanding drying skin that oils and tan, promptly get superfine fiber polyurethane synthetic leather base fabric; Wherein, the thickness of described base cloth is 0.6mm~2.0mm; Described buffing paper specification is 400 orders~800 orders, and preferable is 600 orders.
7. as each described preparation method of claim 1~6, it is characterized in that: described auxiliary agent is one or more in dispersant, defoamer, levelling agent and the acetic acid; Wherein, described levelling agent is N-hydroxyphthalimide, phthalimide, N-alkyl phthalic imide, N, N-diethylbenzene acid amides, N, N-dibutyl formamide, N, N-dimethyl-octa acid amides, N, one or more in N-dimethyl certain herbaceous plants with big flowers acid amides, O-phthalic base phenylester and the N-cyclohexyl pyrrolidones.
8. preparation method as claimed in claim 7 is characterized in that: described dispersant dosage is 0.5g/L~1.5g/L; Described defoamer consumption is 0.1g/L~1g/L; Described levelling agent consumption is 1.5%~4.5%o.w.f.; Described acetic acid consumption is 0.3g/L~1.5g/L.
9. as each described preparation method of claim 1~8, it is characterized in that: described postfinishing process comprises the steps: the skin napping is soaped, dries and ground to the synthetic leather after the dyeing, carries out finishing functions processing by customer requirement afterwards and gets final product; Wherein, the described condition of soaping is 40 ℃~98 ℃ 5min~30min that soap, and that preferable is 60 ℃ of 15min that soap; Described buffing paper specification is 400 orders~800 orders, and preferable is 600 orders; Described finishing functions is one or more in antibiotic finish, antistatic finish, flame-proof treatment, water-proof finish and the anti-ultraviolet finishing.
10. superfine fibre suede that makes as each described preparation method of claim 1~9.
CN 201010155964 2010-04-23 2010-04-23 Preparation method of superfine fiber suede leather and prepared superfine fiber suede leather CN102234940B (en)

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CN103952923A (en) * 2014-05-21 2014-07-30 太仓市宝明化纤有限公司 High-efficiency and environment-friendly chemical fiber dyeing technology
CN104179031A (en) * 2014-08-01 2014-12-03 陕西科技大学 Successively-impregnating after-finishing method of suede-like superfine fiber synthetic leather
CN104441902A (en) * 2014-06-24 2015-03-25 邹小卫 Process for producing extra-large tension shoelace
CN105463870A (en) * 2015-11-16 2016-04-06 泉州万华世旺超纤有限责任公司 Method for producing superfine fiber special safety shoe leather
CN105908526A (en) * 2016-04-19 2016-08-31 浙江富润印染有限公司 Dyeing and finishing process for sea-island special micro-fiber fabric having special effects
CN106012575A (en) * 2016-06-27 2016-10-12 昌邑誉华纺织材料有限公司 Method for making humidity-absorbing, breathable, anti-microbial and anti-stinking superfine fiber shoe lining leather
CN106368002A (en) * 2016-08-31 2017-02-01 常熟市裕茗企业管理咨询有限公司 Method for dyeing plush fabric
CN107761407A (en) * 2017-10-18 2018-03-06 马多浩 A kind of level dyeing technique of superfine fiber synthetic leather
CN108532310A (en) * 2017-03-02 2018-09-14 安安(中国)有限公司 A kind of production method of high physical property woven fabric velvet lamb line synthetic leather
CN108547097A (en) * 2018-05-10 2018-09-18 东莞市迪尚智能生活科技有限公司 A kind of dyeing and finishing technology of storage household woven fabric chamois flannel face fabric

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Publication number Priority date Publication date Assignee Title
CN103952923A (en) * 2014-05-21 2014-07-30 太仓市宝明化纤有限公司 High-efficiency and environment-friendly chemical fiber dyeing technology
CN103952923B (en) * 2014-05-21 2016-03-30 太仓市宝明化纤有限公司 A kind of chemical fibre dyeing of environmental protection
CN104441902A (en) * 2014-06-24 2015-03-25 邹小卫 Process for producing extra-large tension shoelace
CN104179031A (en) * 2014-08-01 2014-12-03 陕西科技大学 Successively-impregnating after-finishing method of suede-like superfine fiber synthetic leather
CN105463870A (en) * 2015-11-16 2016-04-06 泉州万华世旺超纤有限责任公司 Method for producing superfine fiber special safety shoe leather
CN105908526A (en) * 2016-04-19 2016-08-31 浙江富润印染有限公司 Dyeing and finishing process for sea-island special micro-fiber fabric having special effects
CN106012575A (en) * 2016-06-27 2016-10-12 昌邑誉华纺织材料有限公司 Method for making humidity-absorbing, breathable, anti-microbial and anti-stinking superfine fiber shoe lining leather
CN106368002A (en) * 2016-08-31 2017-02-01 常熟市裕茗企业管理咨询有限公司 Method for dyeing plush fabric
CN108532310A (en) * 2017-03-02 2018-09-14 安安(中国)有限公司 A kind of production method of high physical property woven fabric velvet lamb line synthetic leather
CN107761407A (en) * 2017-10-18 2018-03-06 马多浩 A kind of level dyeing technique of superfine fiber synthetic leather
CN108547097A (en) * 2018-05-10 2018-09-18 东莞市迪尚智能生活科技有限公司 A kind of dyeing and finishing technology of storage household woven fabric chamois flannel face fabric

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