CN103334322B - Cationic dyeing retarding agents and using method thereof - Google Patents
Cationic dyeing retarding agents and using method thereof Download PDFInfo
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- CN103334322B CN103334322B CN201310267720.XA CN201310267720A CN103334322B CN 103334322 B CN103334322 B CN 103334322B CN 201310267720 A CN201310267720 A CN 201310267720A CN 103334322 B CN103334322 B CN 103334322B
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Abstract
The invention discloses a kind of cationic dyeing retarding agents, described retarding agents is double type ionic liquid, and the concentration of described double type ionic liquid is 0.01 ~ 0.2 mmol/L.The present invention adopts different hydrophobic carbon chain length and the different imidazoles Gemini ionic liquid being connected base length to replace synthesizing cationic retarding agents in traditional handicraft (as: 1227, CTAB etc.) as the retarding agents of cationic dyeing, and the imidazoles Gemini ionic liquid that need to add 0.02 ~ 0.2 mmol/L can reach the Color consistent with traditional handicraft.Different hydrophobic carbon chain length is adopted to be connected the retarding agents of imidazoles Gemini ionic liquid as cationic dyeing of base length with difference, benzalkonium chloride is contained with 1227 when solving common cationic dyeing, CTAB has the shortcoming of strong fishlike smell, and obtained product quality is consistent with common process.
Description
Technical field
The invention belongs to dyeing and finishing technique field, relate to a kind of imidazoles Gemini ionic liquid that uses as the colouring method of cation dyes retarding agents, especially can realize the extensive adaptability of cation dyes, and the consumption of retarding agents is more economized.
Background technology
Cation dyes chromatogram is complete, bright in colour, dyeing is fairly simple, dyefastness is excellent, is that the optimum dye of acrylic fibers and the CDP fabrics dyeing is selected.
During cation dyes exhaust dyeing, due to cation dyes positively charged and acrylic fibers or the CDP fabrics fiber band negative electrical charge, the speed when the vitrification point of dyeing temperature higher than acrylic fibers or the CDP fabrics, cation dyes contaminating acrylic fibers or the cation-dyeable polyester fiber is very rapid, DYED FABRICS is easy to cause uneven dyeing, therefore often add a certain amount of cationic surfactant in actual production as 1227(dodecyl benzyl dimethyl ammonium chloride) and CTAB(softex kw) as the retarding agents dyeed, 1227 and CTAB to delay dye effect remarkable, but there is certain problem, as: 1227 containing benzalkonium chloride, CTAB has strong fishlike smell when using.And above-mentioned retarding agents improper use easily causes the Dry Sack of DYED FABRICS more shallow, affects the utilization rate of dyestuff.
Summary of the invention
The object of the invention is to for the retarding agents 1227 added during cationic dyeing containing benzalkonium chloride, CTAB has the shortcoming of strong fishlike smell, provides a kind of new and effective retarding agents.The imidazoles Gemini ionic liquid that this retarding agents is connected base length by different hydrophobic carbon chain length and difference forms, both retarding agents 1227 had been solved containing benzalkonium chloride, CTAB has the shortcoming of strong fishlike smell, and obtained product quality is consistent with common process, and slow dye effect is stronger.
The present invention adopts following technical scheme: a kind of cationic dyeing retarding agents, and described retarding agents is double type ionic liquid, and the concentration of described double type ionic liquid is 0.01 ~ 0.2 mmol/L.
The concentration of described double type ionic liquid is preferably 0.05 ~ 0.1 mmol/L.
Described double type ionic liquid is imidazoles double type ionic liquid or pyridines double type ionic liquid.
The structural formula of described imidazoles double type ionic liquid is:
In formula: m=1 ~ 12; N=6 ~ 14; X=Cl, Br, PF
6, BF
4.
The structural formula of described pyridines double type ionic liquid is:
or
In formula: n=8 ~ 16; X=Cl, Br, PF
6, BF
4.
The using method of described cationic dyeing retarding agents, adopt exhaust process cation dyes to acrylic fibers, cationic-dyeable acrylic fibres dyeing, by cation dyes, retarding agents is soluble in water is mixed with dye liquor, the pH value regulating dye liquor with NaAc_HAc buffer solution is 4 ~ 6, the concentration of described cation dyes is 0.1 ~ 4 % owf, again fabric is dropped in dye liquor, dye bath ratio is 1:10 ~ 100, then 95 ~ 100 DEG C are warming up to the programming rate of 0.5 ~ 2 DEG C/min, insulation 30 ~ 100min, insulation after washing, oven dry.
The invention has the beneficial effects as follows: adopt different hydrophobic carbon chain length and the different imidazoles Gemini ionic liquid being connected base length to replace synthesizing cationic retarding agents in traditional handicraft (as: 1227, CTAB etc.) as the retarding agents of cationic dyeing, the imidazoles Gemini ionic liquid that need to add 0.02 ~ 0.2 mmol/L can reach the Color consistent with traditional handicraft.Different hydrophobic carbon chain length is adopted to be connected the retarding agents of imidazoles Gemini ionic liquid as cationic dyeing of base length with difference, benzalkonium chloride is contained with 1227 when solving common cationic dyeing, CTAB has the shortcoming of strong fishlike smell, and obtained product quality is consistent with common process.Technical scheme technique of the present invention is simple, convenient operation, to cation dyes and equipment without particular/special requirement, utilizes conventional dyeing equipment just can carry out large-scale production, has broad application prospects.
Detailed description of the invention
Embodiment 1
A kind of cationic dyeing retarding agents, exhaust process is adopted to dye to acrylic fabric, technological process is: first dissolve cation dyes and retarding agents, dye liquor pH is regulated to be 6 with NaAc_HAc buffer solution, 30 DEG C enter dye, and bath raio 1:10, is then warming up to 98 DEG C with the programming rate of 1 DEG C/min, insulation 80min, finally washes, dries.
Dye liquor prescription is as follows: methylene blue 0.4 % owf, retarding agents 0.03 mmol/L, and retarding agents structure is as follows:
Embodiment 2
A kind of cationic dyeing retarding agents, exhaust process is adopted to dye to acrylic fabric, technological process is: first dissolve cation dyes and retarding agents, dye liquor pH is regulated to be 5 with NaAc_HAc buffer solution, 50 DEG C enter dye, and bath raio 1:50, is then warming up to 100 DEG C with the programming rate of 1.5 DEG C/min, insulation 30min, finally washes, dries.
Dye liquor prescription is as follows: cationic golden yellow X-GL 0.8 % owf, retarding agents 0.09 mmol/L, and the structure of retarding agents is as follows:
Embodiment 3
A kind of cationic dyeing retarding agents, adopt exhaust process to the CDP fabrics textile dyeing, technological process is: first dissolve cation dyes and retarding agents, dye liquor pH is regulated to be 5.5 with NaAc_HAc buffer solution, 60 DEG C enter dye, and bath raio 1:30, is then warming up to 95 DEG C with the programming rate of 0.5 DEG C/min, insulation 60min, finally washes, dries.
Dye liquor prescription is as follows: Cationic Red X-GRL 0.6 % owf, retarding agents 0.04 mmol/L, and the structure of retarding agents is as follows:
Embodiment 4
A kind of cationic dyeing retarding agents, adopt exhaust process to the CDP fabrics textile dyeing, technological process is: first dissolve cation dyes and retarding agents, dye liquor pH is regulated to be 4.5 with NaAc_HAc buffer solution, 40 DEG C enter dye, and bath raio 1:60, is then warming up to 100 DEG C with the programming rate of 1.5 DEG C/min, insulation 30min, finally washes, dries.
Dye liquor prescription is as follows: cationic blue X-BL 1 % owf, retarding agents 0.12 mmol/L, and the structure of retarding agents is as follows:
Embodiment 5
A kind of cationic dyeing retarding agents, adopt exhaust process to the CDP fabrics textile dyeing, technological process is: first dissolve cation dyes and retarding agents, dye liquor pH is regulated to be 4.5 with NaAc_HAc buffer solution, 40 DEG C enter dye, and bath raio 1:60, is then warming up to 100 DEG C with the programming rate of 1.5 DEG C/min, insulation 30min, finally washes, dries.
Dye liquor prescription is as follows: cationic golden yellow X-GL 0.4 % owf, retarding agents 0.03 mmol/L, the structure of retarding agents:
Embodiment 6
A kind of cationic dyeing retarding agents, adopt exhaust process to the CDP fabrics textile dyeing, technological process is: first dissolve cation dyes and retarding agents, dye liquor pH is regulated to be 4.5 with NaAc_HAc buffer solution, 40 DEG C enter dye, and bath raio 1:60, is then warming up to 100 DEG C with the programming rate of 1.5 DEG C/min, insulation 30min, finally washes, dries.
Dye liquor prescription is as follows: cationic blue X-BL 0.3 % owf, retarding agents 0.04 mmol/L, and the structure of retarding agents is as follows:
Embodiment 7
The using method of cationic dyeing retarding agents, adopt exhaust process cation dyes to acrylic fibers, cationic-dyeable acrylic fibres dyeing, by cation dyes, retarding agents is soluble in water is mixed with dye liquor, the pH value regulating dye liquor with NaAc_HAc buffer solution is 5, and the concentration of described cation dyes is 1 % owf, then drops in dye liquor by fabric, dye bath ratio is 1:20, then be warming up to 95 DEG C with the programming rate of 1 DEG C/min, be incubated 50 min, insulation after washing, oven dry.
Retarding agents is double type ionic liquid, and the concentration of described double type ionic liquid is 0.1 mmol/L.Described double type ionic liquid is imidazoles double type ionic liquid or pyridines double type ionic liquid.
The structural formula of described imidazoles double type ionic liquid is:
In formula: m=1 ~ 12; N=6 ~ 14; X=Cl, Br, PF
6, BF
4.
The structural formula of described pyridines double type ionic liquid is:
or
In formula: n=8 ~ 16; X=Cl, Br, PF
6, BF
4.
Acrylic fibers and the CDP fabrics fabric after embodiment 1-6 dyeing process, are tested it respectively as follows.
1) K/S value (the apparent colour degree of depth): in the upper mensuration of UltraScan PRO colour photometer (HunterLab company of the U.S.), adopts D65 light source and 10 ° of viewing angles to observe, as shown in table 1.
2) fastness of DYED FABRICS: according to fastness to washing and the fastness to rubbing of GB/T3921.1-1997 and GB/T3920-1997 difference test fabric, as shown in table 2.
3) DYED FABRICS dyeing uniformity: selective staining sample a bit as standard point, then take up an official post at sample and get 10 points, measure its value of chromatism (△ E), calculate standard deviation S r(numerical value with formula (1) less, level-dyeing property is better), as shown in table 2.
（1）
From table 1-2, different hydrophobic carbon chain length is adopted to be connected the retarding agents of imidazoles Gemini ionic liquid as cationic dyeing of base length with difference, the apparent shade depth K/S value of DYED FABRICS, dyeing uniformity and conventional dyeing process are close, and the washable and crock fastness of DYED FABRICS is all more than 4-5 level.As can be seen here, technical scheme provided by the present invention can give acrylic fibers and the good level-dyeing property of the cation-dyeable polyester fabric, excellent washable and fastness to rubbing.
Table 1
Table 2
Note: staining method 1 refers to that 1227 as the dyeing of retarding agents agent;
Staining method 2 refers to the dyeing of imidazoles Gemini ionic liquid as retarding agents agent.
Claims (2)
1. the using method of a cationic dyeing retarding agents, it is characterized in that: adopt exhaust process cation dyes to acrylic fibers, cationic-dyeable acrylic fibres dyeing, by cation dyes, retarding agents is soluble in water is mixed with dye liquor, the pH value regulating dye liquor with NaAc_HAc buffer solution is 4 ~ 6, the concentration of described cation dyes is 0.1 ~ 4 % owf, again fabric is dropped in dye liquor, dye bath ratio is 1:10 ~ 100, then 95 ~ 100 DEG C are warming up to the programming rate of 0.5 ~ 2 DEG C/min, insulation 30 ~ 100min, insulation after washing, dry, described retarding agents is double type ionic liquid, the concentration of described double type ionic liquid is 0.01 ~ 0.2 mmol/L, described double type ionic liquid is imidazoles double type ionic liquid or pyridines double type ionic liquid, the structural formula of described imidazoles double type ionic liquid is:
In formula: m=1 ~ 12; N=6 ~ 14; X=Cl, Br, PF
6, BF
4;
The structural formula of described pyridines double type ionic liquid is:
or
In formula: n=8 ~ 16; X=Cl, Br, PF
6, BF
4.
2. the using method of cationic dyeing retarding agents according to claim 1, is characterized in that: the concentration of described double type ionic liquid is 0.05 ~ 0.1 mmol/L.
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Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101117765A (en) * | 2007-07-23 | 2008-02-06 | 江南大学 | Gemini type positive ion collosol and method for improving fabric dyeing stability |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101117765A (en) * | 2007-07-23 | 2008-02-06 | 江南大学 | Gemini type positive ion collosol and method for improving fabric dyeing stability |
Non-Patent Citations (4)
| Title |
|---|
| 双子阳离子助剂对改性涤纶染色性能的影响;梁娟等;《丝绸》;20101231(第5期);14-17 * |
| 含杂环的阳离子双子表面活性剂合成研究进展;邵霜霜等;《日用化学工业》;20121231;第42卷(第1期);62-67 * |
| 阳离子Gemini型表面活性剂的合成及其应用性能研究;王祥荣;《印染助剂》;20021231;第19卷(第1期);12-15 * |
| 阳离子Gemini表面活性剂在ECDP纤维染色中的应用;宗平等;《精细与专用化学品》;20061231;第14卷;21-23 * |
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