CN101736611B - Dyeing promoter of acrylic fiber cationic dye and application thereof - Google Patents
Dyeing promoter of acrylic fiber cationic dye and application thereof Download PDFInfo
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- CN101736611B CN101736611B CN2009101550120A CN200910155012A CN101736611B CN 101736611 B CN101736611 B CN 101736611B CN 2009101550120 A CN2009101550120 A CN 2009101550120A CN 200910155012 A CN200910155012 A CN 200910155012A CN 101736611 B CN101736611 B CN 101736611B
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Abstract
The invention discloses a dyeing promoter of an acrylic fiber cationic dye. The dyeing promoter consists of benzoic alcohol, butyl acetate, a compound emulsifier and water, wherein the volume ratio of the benzoic alcohol to the butyl acetate to the compound emulsifier to the water is 10:10:1-2:78-79. The dyeing promoter of the acrylic fiber cationic dye can improve the dye-uptake of the lower temperature dyeing of the acrylic fibers with the cationic dye, and ensures high color fastness of dyed textile and small strength loss of fibers.
Description
Technical field
The present invention relates to mixture that a kind of alcohols and ester type organic form and be main component acrylic fibers low temperature dyeing promoter technology of preparing and use the acrylic fibers low temperature dyeing technology that this promoter is realized, relate in particular to a kind of dyeing promoter of acrylic fiber cationic dye and application thereof.
Background technology
Acrylic fibers are polyacrylonitrile fibre trade names in China, then are called " Orlon ", " Acrilan ", " cashmere synthetic fibre " etc. abroad.Typically refer to copolymer, the synthetic fiber that make through wet spinning or dry spinning with acrylonitrile more than 85% and the second and the 3rd monomer.Acrylic fibers have advantages such as good flexibility, warmth retention property, light resistance and radiation resistance, are exactly like wool in appearance, and the title of " artificial wool " is arranged, and inexpensive, are a kind of important wool spinning materials.Acrylic fibers made up for each other's deficiencies and learn from each other on characteristic often with wool blended during reality was produced, and the wearability of having improved fabric has reduced cost again.Hair nitrile BLENDED FABRIC is handled through the fluffing napping, has warming sense during with contact skin.Pass through damp and hot processing simultaneously, the fiber moisture pick-up properties strengthens, the environment temperature sudden change, and the moisture absorption integral heat that fiber is emitted can make fiber heat up, and these heats will be delivered to bib and tucker, thereby to cold and hot buffer protection function of human body.Thereby hair nitrile blended product is subjected to liking of consumers in general deeply.
The wool fibre traditional dyeing carries out under the condition of dying of boiling, and causes fibre damage easily like this.The damage of wool in dyeing causes: wool weightlessness, and output reduces, and the output value descends; Mechanical performance worsens, processing difficulties; Feel is coarse, the fabric yellowing, and it is not bright-coloured particularly to dye light coloured light.So for the performance of safeguarding that wool is good, be necessary to control the damage of wool when dyeing, wherein compare the low temperature dyeing technology that effective method is to use wool.Existing on the market at present wool is sold with low temperature dyeing assistant, can realize 80～85 ℃ of low temperature dyeings, has not only protected the intrinsic fine quality of wool well, and energy-saving and cost-reducing.This technology has obtained application in part enterprise.The acrylic fibers normal dyeing must add retarding agents and adopt the high temperature fixation, and this dyeing requires high to operation control, and will add a large amount of retarding agents, influences the fiber tinctorial yield, and the high temperature long time treatment also has adverse influence to fabric simultaneously, and the energy consumption height.
The wool yarns of use amount maximum, hair nitrile yarn in the sweater, since itself raw material and yarn feature, the cabinet type hank-dyeing machine dyeing of main at present use.The minimum bath raio of current homemade cabinet type hank-dyeing machine is 1: 20; The cabinet type hank-dyeing machine of Italy OBEN company is state-of-the-art in the world at present, minimum bath raio can reach 1: 15, but the part dyestuff is dyeed under 1: 15 bath raio also or the uneven phenomenon of existence dyeing, and the price of this equipment is very expensive, be ten times of the homemade cabinet type hank-dyeing machine of equal specification, be difficult to obtain domestic user's approval.Therefore homemade cabinet type hank-dyeing machine is mainly used in the dyeing of wool yarns, hair nitrile yarn, has brought the serious big problem of energy consumption height, wastewater discharge.Therefore be necessary to research and develop a kind of new hank dyeing technology, reeled yarn in the cabinet type hank dyeing process is in soaks, drench alternately dyeing, improve the contacting efficiency between dye liquor and the yarn two-phase, impel under low bath raio condition dyestuff smoothly to fibrous inside diffusion, infiltration and set, minimum bath raio was reduced to 1: 14 even littler by 1: 20; And discover if dyeing temperature is controlled at below 90 ℃, be preferably in about 85 ℃, then not only help saving energy and reduce the cost, and can more successfully guarantee to soak the enforcement of pouring formula staining technique.
Therefore, the work of hair/nitrile low temperature dyeing Study on Technology will be the novel low bath ratio dyeing technology of researching and developing on existing homemade cabinet type hank dyeing machine equipment---soaks the dyeing of pouring formula and lays the first stone, make it on the basis of guaranteeing the dyed yarn quality, minimum bath raio was reduced to 1: 14 by 1: 20 even littler, to realize water saving, energy-conservation, the purpose that reduces discharging, hair/nitrile low temperature dyeing Study on Technology can alleviate the damage of traditional dyeing technology to dyeing articles again simultaneously, improve fabric feeling, energy-saving and cost-reducing, for enterprise brings economic benefit.And existing on the market at present a lot of wools are sold with low temperature dyeing assistant and obtained good application in enterprises, so we are badly in need of researching and developing the low temperature dyeing assistant and the staining technique that can improve the acrylic fiber cationic dye dye-uptake.
Still there is not at present special low temperature dyeing promoter at the exploitation of acrylic fiber fiber structure feature.Can use the micro-structural that plasticizer is regulated and control acrylic fiber in the dyeing course in theory, improve swellability, reduce the glass transition temperature T of fiber fiber
gThereby, promote the diffusion of cation dyes to fibrous inside, finally solve and dye the low problem of acrylic fiber dye-uptake on the cation dyes low temperature.Therefore we have studied the organosilane ester and the alcohol compound of a series of different structures, analyze their influences under various dyeing conditions to acrylic fiber fiber structure and dyeability, and the screening by emulsifying agent and composite, developed the acrylic fiber cationic dye low temperature dyeing promoter of a kind of nontoxic, environmental protection, good stability, and developed corresponding low temperature dyeing application technology, the result shows that it has the effect of obvious raising dye-uptake to acrylic cationic dyestuff low temperature dyeing, and the dyeing COLOR FASTNESS is higher, and is also little to the ultimate strength influence of acrylic fiber fabric.
Summary of the invention
The objective of the invention is at present commercially available cation dyes provides a kind of dyeing promoter of acrylic fiber cationic dye and application thereof to the low deficiency of acrylic fiber low temperature dyeing dye-uptake.
The objective of the invention is to be achieved through the following technical solutions: a kind of dyeing promoter of acrylic fiber cationic dye is characterized in that it is made up of phenmethylol, butyl acetate, compound emulsifying agent and water.Wherein, the percent by volume of described phenmethylol, butyl acetate, compound emulsifying agent and water is 10: 10: 1～2: 78～79.
Further, described compound emulsifying agent is made up of Span type non-ionic surface active agent, Tween type non-ionic surface active agent and assistant for emulsifying agent.Wherein, the percent by volume of described Span type non-ionic surface active agent, Tween type non-ionic surface active agent and assistant for emulsifying agent is 15～90: 10～80: 0～5.
The application of above-mentioned dyeing promoter of acrylic fiber cationic dye aspect dyeing.
The invention has the beneficial effects as follows that dyeing promoter of acrylic fiber cationic dye of the present invention can improve the dye-uptake of cation dyes to the acrylic fiber low temperature dyeing, the DYED FABRICS COLOR FASTNESS is good, and is little to the fiber strength damage.
Description of drawings
Fig. 1 is an acrylic fibers 80-85 ℃ of low temperature dyeing technique flow chart;
Fig. 2 is 98 ℃ of normal dyeing process charts of acrylic fibers.
The specific embodiment
Dyeing promoter of the present invention, its active ingredient are organic alcohols and ester type compound (being phenmethylol and butyl acetate).Phenmethylol (Benzyl alcohol), molecular formula (C
6H
5CH
2OH), water-soluble slightly, can be miscible with ethanol, ether, chloroform etc.Relative density 1.04 (25 ℃), fusing point-15.3 ℃, 205.7 ℃ of boiling points, rat oral LD
501230mg/kg is the low toxicity chemicals; Butyl acetate (butyl acetate), molecular formula (C
6H
12O
2), normal temperature for colourless transparent liquid, is dissolved in ethanol, ether down, is slightly soluble in water.Relative density 0.8764 (25 ℃), fusing point-77.9 ℃, 126.1 ℃ of boiling points, rat oral LD
5014130mg/kg is little medicine that poisons.Find that under study for action phenmethylol in this dyeing promoter and butyl acetate all have certain plasticization to acrylic fiber, can reduce the glass transition temperature T of acrylic fiber in the dyeing course
g, help cation dyes under cryogenic conditions to the acrylic fiber diffusion inside, an amount of back of using has no adverse effects to the acrylic fiber physical property in the dyeing.Yet phenmethylol and butyl acetate are oily liquids, and the solubility in dye bath is lower, are difficult to be uniformly dispersed, thereby to acrylic fiber low temperature dyeing facilitation effect heterogeneity, occur dyeing non-uniform phenomenon (being the look flower) easily.
Approach by emulsification makes phenmethylol and butyl acetate be scattered in the water with even tiny droplets in the present invention, form stable emulsion system, not only cation dyes are dyed acrylic fiber and play that low temperature is short to dye effect, also guaranteed the even dyeing effect of DYED FABRICS simultaneously.
Through a large amount of tests, determine to adopt compound emulsifying agent, be specially two kinds of dissimilar nonionic emulsifiers and the composite use of a kind of assistant for emulsifying agent, be a kind of Span type non-ionic surface active agent and a kind of Tween type non-ionic surface active agent main body as emulsifying agent, with ethanol as assistant for emulsifying agent.
The composition of compound emulsifying agent (by volume percentage is represented): Span type non-ionic surface active agent 15～90, Tween type non-ionic surface active agent 10～80, assistant for emulsifying agent 0～5.Specific embodiment (by volume percentage is represented) is as Span-80 emulsifying agent 15～90, Tween-80 emulsifying agent 10～80, ethanol 0～5.
The composition (by volume percentage is represented) of acrylic fiber cationic dye low temperature dyeing promoter: phenmethylol 10, butyl acetate 10, compound emulsifying agent 1～2, water 78～79.
The preparation of dyeing promoter (being the emulsification of phenmethylol and butyl acetate) may further comprise the steps (is example with preparation 100mL dyeing promoter):
1) accurately draw phenmethylol and each 10mL of butyl acetate and composite good compound emulsifying agent 1～2mL in the beaker of 100mL and add water to 100ml under room temperature (25 ℃) condition, beaker is placed in the room-temperature water bath.
2) aforesaid liquid is placed on vigorous stirring under the high shearing mixing emulsor, rotating speed 10000rpm, mixing time 10min.
The dyeing promoter good stability that is made into as stated above leaves standstill and does not take place after 30 days that the liquid pearl is coalescent, breast is analysed or demulsifying phenomenon such as cohesion.
The dyeing flow process of dyeing promoter of acrylic fiber cationic dye of the present invention is as follows:
Fabric pretreatment → dyeing → washing
The purpose of acrylic fabric pre-treatment is to remove finish that impurity that fiber surface contains adds as weaving etc., occurs the non-uniform phenomenon that dyes during with dyeing-free.
Acrylic fiber mainly dyes with cation dyes, and cation dyes commonly used mainly comprise: cationic yellow x-8gl N, CATION X-GRL, cationic blue X-BL, cationic golden yellow X-GL, the bright blue X-GB of CATION, cationic blue x-grrl etc.
Should thoroughly clean dyestuff loose colour and auxiliary agent residual in the fabric after the dyeing.
Embodiment 1
1) fabric pretreatment
Detergent 2092g/L, bath raio 1: 50 is located 30min under the condition of 60 ℃ of temperature.
2) dyeing
Acrylic fibers 80-85 ℃ of low temperature dyeing prescription:
Cation dyes 1% (o.w.f)
Dyeing promoter 40ml/L
Acetic acid/sodium acetate is regulated dye liquor pH about 5
Bath raio 1: 50
An acrylic fibers 80-85 ℃ low temperature dyeing technique is seen accompanying drawing 1:
98 ℃ of normal dyeing prescriptions of acrylic fibers:
Cation dyes 1% (o.w.f)
1227 1ml/L
Acetic acid/sodium acetate is regulated dye liquor pH about 5
Bath raio 1: 50
98 ℃ of normal dyeing technologies of acrylic fibers are seen accompanying drawing 2:
3) washing
Detergent 2092g/L, bath raio 1: 50, washing 15min under 45 ℃ of conditions of temperature; Warm water cleaning.
Below to do not add dyeing promoter and add 80 ℃ of low temperature dyeings of dyeing promoter of 40mL/L and 98 ℃ of normal dyeings after Colors such as acrylic fiber cationic dye balance dye uptake, DYED FABRICS color depth value K/S and COLOR FASTNESS compare, to understand the influence of the dyeing promoter developed to the acrylic fiber cationic dye dyeability.Low temperature dyeing and normal dyeing technology are seen the coloured portions during specific embodiments for example, and the low temperature dyeing technique condition that the low temperature dyeing technique condition that does not add promoter and embodiment add promoter in for example is the same.
Table 1 dyeing promoter is to the influence of acrylic fiber cationic dye balance dye uptake
Balance dye uptake when this low temperature dyeing promoter can obviously be improved 80 ℃ of low temperature dyeings of cation dyes as shown in Table 1 on acrylic fiber, the cation dyes that are not suitable for using on acrylic fiber owing to dye-uptake is low when making original 80 ℃ of low temperature dyeings can be suitable for, and the level of the balance dye uptake can reach 98 ℃ of normal dyeings the time, for example: it is especially obvious that dyestuffs such as cationic yellow x-8gl N, the bright blue X-GB of CATION promote amplitude.
Table 2 dyeing promoter is to the influence of acrylic fiber cationic dye DYED FABRICS color depth value K/S
Color depth value K/S when this low temperature dyeing promoter also can obviously be improved 80 ℃ of low temperature dyeings of cation dyes as shown in Table 2 on acrylic fiber, and the amplitude that promotes and the lifting amplitude basically identical of its dye-uptake, level in the time of finally can reaching 98 ℃ of normal dyeings illustrates that the short part dyestuff that dyes is bonded on the fiber.
Table 3 dyeing promoter is to the influence of acrylic fiber cationic dye DYED FABRICS color fastness to washing
Table 4 dyeing promoter is to the influence of acrylic fiber cationic dye DYED FABRICS colour fastness to rubbing
This low temperature dyeing promoter can reach the level of normal dyeing to cation dyes color fastness to washing after 80 ℃ of low temperature dyeings in acrylic fiber as shown in Table 3, all more than the 4-5 level.This dyeing promoter can reach the level of normal dyeing substantially to cation dyes anti-dry friction COLOR FASTNESS after 80 ℃ of low temperature dyeings in acrylic fiber as shown in Table 4, all more than the 4-5 level, and the moisture-proof colorfastness to rubbing of part dyestuff low 0.5 grade during than normal dyeing, but generally also can reach 4 grades and more than.Illustrate that the product of using after 80 ℃ of low temperature dyeings of dyeing accelerant can satisfy the requirement of COLOR FASTNESS aspect.
Table 5 dyeing promoter is to the influence of acrylic fibers yarn cationic dyeing ultimate strength
As shown in Table 5, with 80 ℃ of dyeing ratios that do not add promoter, this low temperature dyeing accelerant can make the ultimate strength of acrylic fibers yarn slightly descend, and fall is 5.43%, but improves significantly than the strength loss rate 13.33% of normal dyeing.Therefore adopt low temperature dyeing technique to help improving the powerful damage situations of acrylic fiber normal dyeing.
Claims (3)
1. a dyeing promoter of acrylic fiber cationic dye is characterized in that, it is made up of phenmethylol, butyl acetate, compound emulsifying agent and water; Wherein, the percent by volume of described phenmethylol, butyl acetate, compound emulsifying agent and water is 10: 10: 1～2: 78～79.
2. according to the described dyeing promoter of acrylic fiber cationic dye of claim 1, it is characterized in that described compound emulsifying agent is made up of Span type non-ionic surface active agent, Tween type non-ionic surface active agent and assistant for emulsifying agent; Wherein, the percent by volume of described Span type non-ionic surface active agent, Tween type non-ionic surface active agent and assistant for emulsifying agent is 15～90: 10～80: 0～5.
3. the application of the described dyeing promoter of acrylic fiber cationic dye of claim 1 aspect dyeing.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2009101550120A CN101736611B (en) | 2009-12-14 | 2009-12-14 | Dyeing promoter of acrylic fiber cationic dye and application thereof |
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|---|---|---|---|
| CN2009101550120A CN101736611B (en) | 2009-12-14 | 2009-12-14 | Dyeing promoter of acrylic fiber cationic dye and application thereof |
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| CN101736611B true CN101736611B (en) | 2011-12-07 |
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| CN102585419B (en) * | 2012-02-24 | 2014-04-16 | 台州东海塑料品制造有限公司 | High-colour fastness spinning acrylic fabric |
| CN102619112A (en) * | 2012-03-31 | 2012-08-01 | 太仓市隆丝达针织时装有限责任公司 | Dyeing method of acrylic fiber fabric |
| CN103321064B (en) * | 2013-06-28 | 2015-04-22 | 河南工程学院 | Natural retarding agent for dyeing of cationic dye and using method of natural retarding agent |
| CN105755860B (en) * | 2016-02-26 | 2018-03-16 | 东莞市联洲知识产权运营管理有限公司 | A kind of high-efficiency environment friendly dyeing promoter and preparation method thereof |
| CN114214848A (en) * | 2021-12-07 | 2022-03-22 | 郎溪远华纺织有限公司 | Dyeing process of imitation animal fur garment fabric |
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Application publication date: 20100616 Assignee: ZHEJIANG SCI-TECH UNIVERSITY SHANGYU INDUSTRIAL TECHNOLOGY RESEARCH INSTITUTE Co.,Ltd. Assignor: ZHEJIANG SCI-TECH University Contract record no.: X2019330000038 Denomination of invention: Dyeing promoter of acrylic fiber cationic dye and application thereof Granted publication date: 20111207 License type: Common License Record date: 20191108 |
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