CN105133297A - Application of fabric darkening agent in darkening of real silk fabric - Google Patents
Application of fabric darkening agent in darkening of real silk fabric Download PDFInfo
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- CN105133297A CN105133297A CN201510627544.5A CN201510627544A CN105133297A CN 105133297 A CN105133297 A CN 105133297A CN 201510627544 A CN201510627544 A CN 201510627544A CN 105133297 A CN105133297 A CN 105133297A
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Abstract
The invention discloses an application of a fabric darkening agent in darkening of a real silk fabric. The adopted specific fabric darkening agent is prepared from the following raw materials in parts by weight: 50 to 150 parts of silicon dioxide dispersing solution, 50 to 300 parts of water and 0.075 to 13.5 parts of polyvinyl alcohol, wherein the solid content (percentage by weight) of silicon dioxide in the silicon dioxide dispersing solution is 20 to 40%. A rapid preparation method of the fabric darkening agent comprises the following steps: diluting the silicon dioxide dispersing solution with water, then adding polyethylene glycol (PEG), and uniformly mixing to obtain the fabric darkening agent. The fabric darkening agent is prepared by blending the silicon dioxide particle dispersing solution and an appropriate amount of polyethylene glycol (PEG); the preparation method is simple and rapid, and easy to implement. The real silk fabric is finished by a simple dipping process and is then baked, so that the darkening effect of the real silk fabric is remarkable.
Description
Technical field
The present invention relates to fabric deep-dyeing agent technical field, be specifically related to the application of a kind of fabric deep-dyeing agent in real silk fabric increasing is dark.
Background technology
In numerous fiber species, terylene and cocoon fiber surface smoothing, (terylene: 0.73 large with the refractive index difference of air; Real silk: 0.60), incident light is reflected in a large number, and the light intensity that transmission enters fiber is little, causes dyestuff color development efficiency low, and fabric is difficult to present special heavy colour style.And for thin dawn and superfine denier polyester fiber, this phenomenon is particularly evident.
Fabric increases dark arrangement and refers under the prerequisite not increasing dye dosage, realizes a kind of Collator Mode of fabric dark colorization.In the dark finishing technique of existing increasing, often adopt Organic fluoride, silicones to arrange, form one deck homogeneous antireflective resin molding at fabric face; Or adopt sol-gel process to construct loose structure antireflective coating at fabric face.Single and himself hydrophobic property of homogeneous membrane refractive index that the former is formed due to resin, cause arranging rear cloth cover color reducibility poor, hygroscopicity reduces, and limits it and applies.The latter, nano-porous structure is introduced in film, can significantly reduce fabric face refractive index, and sol-gel process not only to have into film uniformity good, cost is low, and processing temperature is low, affects the features such as little to fabric moisture, can also, by the refractive index of the flexible controlling diaphragm of adjustment apertures rate, attract to pay close attention to widely.
The existing deep-dyeing agent utilizing sol-gel process to prepare, adopt carries out chemical modification to Nano silica sol more, makes its surperficial coupling activity group.Chinese patent " surface connects nano silicon of beta-sulfuric ester ethyl sulfonyl functional group and preparation method thereof " (application number: 201310401620.1) by coupling modifier, beta-sulfuric ester ethyl sulfonyl functional group is anchored at Ludox surface.During arrangement, sol surface beta-sulfuric ester ethyl sulfonyl functional group can with amino, hydroxyl isoreactivity group chemical Cheng Jian on cocoon fiber, in the set of silk fabrics surface-stable, increase dark successful.But prepare step needed for this deep-dyeing agent more, complex process, need add and use multiple organic solvent, in time, is consumed comparatively for a long time, and solid content is low, adds storage and the cost of transportation of auxiliary agent.(application number: 201410412286.4) propose to carry out a step modification with silane coupler to commercially available Ludox makes alkoxy grp Ludox surface coupling with reactivity to Chinese patent " silica antireflection coatings liquid and preparation method thereof and apply in dacron ".In arrangement process, condensation cross-linking reaction can be there is between silicon dioxide granule, form nano-porous structure at fabric face, realize antireflective and increase dark.Contrast the former, the method only needs a step modification, but coupling reaction still needs the long period, and when increasing arranges deeply, need realize the absorption of Ludox to fabric by regulating dressing liquid pH value.In addition, document " Sol-GelProcessingbyAgingandPoreCreatorAdditionforPorousS ilicaAntireflectiveCoatings " (JournalofSol-GelScienceandTechnology2002,25,215 – 221) disclose one based on PEG and SiO
2blending, prepares the method for antireflective coating.The method is perforating agent with PEG, first by PEG and SiO
2the obtained coating liquid of mixing; Base material after film removes PEG through 400 DEG C of high-temperature calcinations, form nanoaperture, thus be endowed reflection preventing ability, but the method is only applicable to high temperature resistant base material, and difficulty is applied to fabric in Ludox film; In addition, SiO used
2mass concentration be only 2.6%, and in order to obtain high porosity, the mass concentration of perforating agent PEG is up to SiO
2three times.
Therefore, the fabric deep-dyeing agent that exploitation can simple and quickly be prepared, concentration of active substance is high, and the exploitation dark finishing technique of durable increasing supporting with it has meaning.
Summary of the invention
The invention provides the application of a kind of fabric deep-dyeing agent in real silk fabric increasing is dark, by silica dioxide granule dispersion liquid and (PEG) blending of appropriate polyethylene glycol being prepared, preparation method is simple and quick, easy to implement.Arrange real silk fabric by simple impregnation technology, by baking, real silk fabric increases dark successful.
Fabric deep-dyeing agent increases the application deeply at real silk fabric, adopt specific fabric deep-dyeing agent, described fabric deep-dyeing agent, be made up of the raw material of following weight portion:
Silica dispersions 50 ~ 150 parts;
50 ~ 300 parts, water;
Polyethylene glycol 0.075 ~ 13.5 part;
Wherein, in described silica dispersions, the solid content (percetage by weight) of silica is 20% ~ 40%.
In fabric deep-dyeing agent provided by the invention, between the silica of polyethylene glycol (PEG) energy and rich surface hydroxyl, form hydrogen bond.Because Zeta potential value declines, silica dioxide granule dispersion stabilization suitably reduces, and haphazard packing forms loose membrane stack when the dark arrangement of increasing bakes drying.Therefore, although PEG is still positioned at membrane stack, membrane stack still has loose structure, and comparatively low refractive index, and can reduce the reflectivity of incident light at fabric face, gives fabric bathochromic effect.Meanwhile, high temperature plasticizing when membrane stack bakes by terylene, good bond, at fiber surface, increases and deeply has durability.
Following as the preferred technical solution of the present invention:
Described fabric deep-dyeing agent, be made up of the raw material of following weight portion:
Silica dispersions 50 ~ 100 parts;
100 ~ 180 parts, water;
Polyethylene glycol 1.5 ~ 6.3 parts;
Wherein, in described silica dispersions, the solid content (percetage by weight) of silica is 20% ~ 40%, more preferably 30%.
Silica dispersions can adopt commercially available commodity silica aqueous dispersion, and solid content is 20% ~ 40%.Due to this commercially available Ludox rich surface hydroxyl, after arranging, the moisture pick-up properties of terylene and real silk fabric accesses obvious improvement.The model that silica dispersions specifically can adopt Zhejiang Province Yuda Chemical Co., Ltd to produce is the product of ZS-30.
Described polyethylene glycol is 5% ~ 30% of silica quality in silica dispersions.The number-average molecular weight of described polyethylene glycol is 150 ~ 1000, as specifically adopted the one in PEG200, PEG400, PEG600.
In described fabric deep-dyeing agent, the mass percent of silica is 5% ~ 15%.This concentration range, silica and PEG mixed solution unstability when both having avoided excessive concentration, and avoid the increase of storage and the cost of transportation brought because concentration is too low.
In described silica dispersions, the average grain diameter of silica is 15nm ~ 40nm.Described water is deionized water.Within the scope of this, silica particle diameter, much smaller than fibre diameter, is avoided impacting the feel of fabric after arranging and wearing comfort, and avoid particle diameter excessive and cause arrange after Roughness increase, and the light scattering caused thus and fabric whiting.
A fast preparation method for fabric deep-dyeing agent, comprises following steps:
Silica dispersions is diluted with water, then adds polyethylene glycol (PEG), mix, obtain fabric deep-dyeing agent.
Fabric deep-dyeing agent prepared by the present invention can be used for, in the increasing deeply of dacron, also may be used in the increasing deeply of real silk fabric.
Application in the increasing of dacron is dark, specifically comprise: 10 ~ 30 weight portion fabric deep-dyeing agents are joined in the water of 100 weight portions, formed and increase dark dressing liquid, and dacron is immersed in the dark dressing liquid of increasing, adopt infusion process to arrange dacron, finally, from the dark dressing liquid of increasing, take out dacron, and bake, the increasing completing dacron is dark.
In the increasing of dacron is dark, as preferably, the condition of described infusion process: dipping temperature is 40 ~ 80 DEG C, the time is 20 ~ 50min.
As preferably, the described condition baked: baking temperature is 120 DEG C ~ 170 DEG C, and the time is 15s ~ 30s.
Application in the increasing of real silk fabric is dark, specifically comprise: 10 ~ 30 weight portion fabric deep-dyeing agents are joined in the water of 100 weight portions, formed and increase dark dressing liquid, and real silk fabric is immersed in the dark dressing liquid of increasing, adopt infusion process to arrange real silk fabric, finally, from the dark dressing liquid of increasing, take out real silk fabric, and bake, the increasing completing real silk fabric is dark.
In the increasing of real silk fabric is dark, as preferably, the condition of described infusion process: dipping temperature is 40 ~ 80 DEG C, the time is 20 ~ 50min.
As preferably, the described condition baked: baking temperature is 90 DEG C ~ 130 DEG C, and the time is 15s ~ 30s.
Compared with prior art, tool of the present invention has the following advantages:
The invention provides the method and terylene and real silk fabric deep-dyeing agent of preparing terylene and real silk fabric deep-dyeing agent fast.Taking nanometer silicon dioxide particle as main component, by forming hydrogen bond between the polyethylene glycol (PEG) that adds and silica surface hydroxyl, and suitably reducing silica dioxide granule stability in dispersion liquid.By its dip-coating in fabric face, in particle packing process, because stability declines, particle forms the nanoporous membrane stack with rock-steady structure at fabric face haphazard packing.Incident light after in film, multiple interface is reflected, disappears mutually because of reversal of phase, effectively reduces incident light at fabric face reflectivity, increases transmitted light and improves dyestuff color development efficiency, realizes increasing dark.This deep-dyeing agent preparation method is not only simple and quick, easy to implement, and can prepare at ambient temperature, energy efficient, avoids organic solvent to use, environmental protection.The deep-dyeing agent active principle content of preparation is high, and the polymer content of interpolation is low, can reduce commodity production, storage and cost of transportation; Increase in dark arrangement, without the need to acid-base accommodation, little to fabric damage; Do not use adhesive, little on fabric feeling impact; Nanometer silicon dioxide particle can bond with the polyster fibre of plasticizing, and structural stability is high, increases dark effect lasting.Arrange after fabric hydrophilic can improve, stopped fluorine, silicones arranges cause hydrophily forfeiture and changes of shade.
Accompanying drawing explanation
Fig. 1 is the grain size distribution of the embodiment of the present invention 1 products therefrom 1;
Fig. 2 is the grain size distribution of the embodiment of the present invention 2 products therefrom 2;
Fig. 3 is transmission electron microscope (TEM) photo of the embodiment of the present invention 3 products therefrom 3;
Fig. 4 is transmission electron microscope (TEM) photo of commodity silica in the embodiment of the present invention 3;
Fig. 5 is without the change curve of K/S value with wavelength arranging the real silk fabric that real silk fabric, commodity silica and embodiment 1 products therefrom 1 arrange in application examples 1 of the present invention;
Fig. 6 is the change curve of reflectivity with wavelength arranging real silk fabric in application examples 1 of the present invention without arrangement real silk fabric, commodity silica and embodiment 1 products therefrom 1;
Fig. 7 be in application examples 1 of the present invention commodity silica at the pattern of real silk fabric surface attachment;
Fig. 8 be in application examples 1 of the present invention embodiment 1 products therefrom 1 at the pattern of real silk fabric surface attachment;
Fig. 9 is ESEM (SEM) figure of unprocessed dacron surface topography in application examples 2 of the present invention;
Figure 10 is ESEM (SEM) figure of the surface topography of dacron under 5000 enlargement ratios that in application examples 2 of the present invention, commodity silica arranges;
Figure 11 is ESEM (SEM) figure of the surface topography of dacron under 100000 enlargement ratios that in application examples 2 of the present invention, commodity silica arranges;
Figure 12 is with ESEM (SEM) figure of the surface topography of dacron under 5000 enlargement ratios of embodiment 2 products therefrom 2 arrangement in application examples 2 of the present invention;
Figure 13 is respectively in application examples 2 of the present invention with ESEM (SEM) figure of the surface topography of dacron under 100000 enlargement ratios of embodiment 2 products therefrom 2 arrangement;
Figure 14 is without the change curve of dacron reflectivity with washing times arranging the arrangement of dacron, commodity silica and embodiment 3 products therefrom 3 in application examples 3 of the present invention;
Figure 15 is that water droplet is at the contact angle without any process dacron surface;
Figure 16 is that water droplet arranges the contact angle on dacron surface at embodiment 3 products therefrom 3.
Detailed description of the invention
Embodiment 1
Under room temperature 25 DEG C of conditions, the deionized water taking 100g joins the silica aqueous dispersion of 50g, and (average grain diameter is at 20 ~ 25nm, solid content 30%, Zhejiang Province Yuda Chemical Co., Ltd, ZS-30) in, after mechanical agitation mixes, drip 1.5gPEG400 (polyethylene glycol, number-average molecular weight is 400) again, fully stir and make its Homogeneous phase mixing, obtained silica and the mixed solution of PEG400 are called product 1, and solid content is 10%.
Rear employing Malvern nanometer particle size instrument is diluted to product 1 and measures its grading curve, as shown in Figure 1.As seen from the figure, product 1 particle diameter is at about 21nm, and domain size distribution is stablized.
Embodiment 2
Under room temperature 25 DEG C of conditions, take the silica aqueous dispersion (solid content 30% of 100g, average grain diameter at 20 ~ 25nm, Zhejiang Province Yuda Chemical Co., Ltd, ZS-30) join in the deionized water of 150g, after mechanical agitation mixes, drip 4.5gPEG600 again, fully stir and make its Homogeneous phase mixing, obtained silica and PEG600 (polyethylene glycol, number-average molecular weight is 600) mixed solution be called product 2, solid content is 12%.
Rear employing Malvern nanometer particle size instrument is diluted to product 2 and measures its grading curve, as shown in Figure 2.As seen from the figure, product 2 particle diameter, at about 24nm, matches with above-described embodiment 1 products therefrom 1 particle diameter, it can thus be appreciated that the consumption adding PEG does not affect silica particle diameter.
Embodiment 3
Under room temperature 25 DEG C of conditions, take the silica aqueous dispersion (solid content 30% of 70g, average grain diameter at 20 ~ 25nm, Zhejiang Province Yuda Chemical Co., Ltd, ZS-30) join in the deionized water of 180g, after mechanical agitation mixes, drip 6.3gPEG200 (polyethylene glycol, number-average molecular weight is 200) again, fully stir and make its Homogeneous phase mixing, obtained silica and the mixed solution of PEG200 are called product 3, and solid content is 8.4%.
As shown in Figure 3, Fig. 4 is the transmission electron microscope photo of commodity silica (i.e. silica in silica aqueous dispersion) to the transmission electron microscope photo of the product 3 that embodiment 3 obtains.From Fig. 3 and Fig. 4, after adding PEG200, silica without significant difference, still maintains good dispersity, even particle size with mixed solution nano particle pattern compared with commodity silica of PEG200, substantially exists with primary particle form.
Application examples 1 (adopting product 1 in embodiment 1):
Take 1.5g embodiment 1 products therefrom 1 to mix with 13.5g water and be placed in conical flask.Real silk fabric is immersed in dressing liquid, then conical flask is put into constant temperature oscillation water-bath, when temperature rises to 50 DEG C, start timing, after 30min, take out dacron.Bake 30s at 100 DEG C again, obtain the real silk fabric arranged through embodiment 1 products therefrom 1.
Take identical method for sorting, arrange real silk fabric as a comparison case with commodity silica (i.e. silica aqueous dispersion), characterize respectively with color measurement and color match instrument SF600-PLUS and arrange without the real silk fabric of any process, commodity silica K/S value and the reflectivity that real silk fabric and product 1 arrange real silk fabric.Fig. 5 is the change curve of real silk fabric K/S value with wavelength, and Fig. 6 is the change curve of real silk fabric reflectivity with wavelength.From Fig. 5 and Fig. 6, the more former cloth of real silk fabric apparent shade depth value after commodity silica and embodiment 1 products therefrom 1 arrange promotes 7.45% and 47.22% respectively, and cloth cover reflectivity reduces by 14.13% and 36.41% respectively.It can thus be appreciated that after adding PEG, product 1 increases dark successful than commodity silica and promotes.Fig. 7 and Fig. 8 is respectively the pattern that commodity silica and product 1 adhere on finish fabric.Compare commodity silica, the short texture that product 1 is formed, particle aggregation is obvious.
Application examples 2 (adopting product 2 in embodiment 2):
Take 3g embodiment 2 products therefrom 2 to mix with 14g water and be placed in conical flask.Dacron is immersed in dressing liquid, then conical flask is put into constant temperature oscillation water-bath, when temperature rises to 70 DEG C, start timing, after 20min, take out dacron.Dry 20s 150 DEG C of trainings again, obtain the dacron arranged through embodiment 2 products therefrom 2.
Take identical method for sorting, arrange dacron as a comparison case with commodity silica (i.e. silica aqueous dispersion), observe the surface topography of polyster fibre with scanning electronic microscope (SEM).Fig. 9 is the dacron surface topography map without any process.Figure 10 and Figure 11 is the dacron surface topography that commodity silica arranges.Figure 12 and Figure 13 is the dacron surface topography that the product 2 obtained in embodiment 2 arranges.Comparison diagram 9, Figure 10 and Figure 12, find that the PET fiber surface after product 2 and commodity silica arrange is coated with and be covered with silica dioxide coating.Further contrast Figure 11 and Figure 13 is visible, and compared with the coating formed at fabric face with commodity silica, in the coating of embodiment 2 products therefrom 2, silica is reunited obviously, and film has more loose loose structure.
Application examples 3 (adopting product 3 in embodiment 3):
Take 5g embodiment 3 products therefrom 3 to mix with 20g water and be placed in conical flask.Dacron is immersed in dressing liquid, then conical flask is put into constant temperature oscillation water-bath, when temperature rises to 80 DEG C, start timing, after 30min, take out dacron.Dry 20s 160 DEG C of trainings again, obtain the dacron arranged through embodiment 3 products therefrom 3.
For investigating the film forming stability of antireflective coating in PET fiber surface, with reference to AATCC61-2010 method of testing, the dacron arranged through embodiment 3 products therefrom 3 repeatedly being washed, characterizing the change of its reflectivity with color measurement and color match instrument SF600-PLUS.And the dacron arranged with untrimmed dacron and commodity silica as a comparison.Figure 14 is the change curve of dacron reflectivity with washing times.As seen from the figure, the dacron that commodity silica arranges is after repeatedly washing, and cloth cover reflectivity is increased to former cloth level.And the dacron that embodiment 3 products therefrom 3 arranges is after repeatedly washing, though cloth cover reflectivity has and increases by a small margin, but still far below source textile.Illustrate and the antireflective coating Stability Analysis of Structures that product 3 is formed at fabric face increase dark good endurance.
Figure 15 and Figure 16 is respectively water droplet without arranging dacron surface and arranging the contact angle on dacron surface through embodiment 3 products therefrom 3.Figure 15 and Figure 16 is known in contrast, and after embodiment 3 products therefrom 3 arranges, dacron hydrophilic obviously promotes.
Claims (9)
1. fabric deep-dyeing agent increases the application deeply at real silk fabric, and it is characterized in that, described fabric deep-dyeing agent is made up of the raw material of following weight portion:
Silica dispersions 50 ~ 150 parts;
50 ~ 300 parts, water;
Polyethylene glycol 0.075 ~ 13.5 part;
Wherein, in described silica dispersions, the solid content of silica is 20% ~ 40%.
2. application according to claim 1, is characterized in that, described polyethylene glycol is 5% ~ 30% of silica quality in silica dispersions.
3. application according to claim 1, is characterized in that, in described fabric deep-dyeing agent, the mass percent of silica is 5% ~ 15%.
4. application according to claim 1, is characterized in that, in described silica dispersions, the average grain diameter of silica is 15nm ~ 40nm.
5. application according to claim 1, is characterized in that, described water is deionized water.
6. application according to claim 1, is characterized in that, the fast preparation method of described fabric deep-dyeing agent, comprises following steps:
Silica dispersions is diluted with water, then adds polyethylene glycol, mix, obtain fabric deep-dyeing agent.
7. application according to claim 1, it is characterized in that, specifically comprise: 10 ~ 30 weight portion fabric deep-dyeing agents are joined in the water of 100 weight portions, formed and increase dark dressing liquid, and real silk fabric is immersed in the dark dressing liquid of increasing, adopt infusion process to arrange real silk fabric, finally, from the dark dressing liquid of increasing, take out real silk fabric, and bake, the increasing completing real silk fabric is dark.
8. application according to claim 7, is characterized in that, the condition of described infusion process: dipping temperature is 40 ~ 80 DEG C, and the time is 20 ~ 50min.
9. application according to claim 7, is characterized in that, the described condition baked: baking temperature is 90 DEG C ~ 130 DEG C, and the time is 15s ~ 30s.
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| CN201510627544.5A CN105133297A (en) | 2015-09-28 | 2015-09-28 | Application of fabric darkening agent in darkening of real silk fabric |
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| CN201510627544.5A CN105133297A (en) | 2015-09-28 | 2015-09-28 | Application of fabric darkening agent in darkening of real silk fabric |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56112583A (en) * | 1980-02-01 | 1981-09-04 | Nikka Chemical Ind Co Ltd | Color darkening agent of polyester fiber dyed article |
| CN102080336A (en) * | 2010-12-07 | 2011-06-01 | 江南大学 | Preparation and process of darkening printing paste for superfine polyester disperse dye |
| CN102816275A (en) * | 2012-08-24 | 2012-12-12 | 浙江理工大学 | Textile deepening agent and preparation method thereof |
| CN104213400A (en) * | 2014-08-20 | 2014-12-17 | 浙江理工大学 | Silicon dioxide antireflection coating liquid, preparation method of silicon-dioxide antireflection coating liquid and application of silicon-dioxide antireflection coating liquid in polyester fabrics |
-
2015
- 2015-09-28 CN CN201510627544.5A patent/CN105133297A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS56112583A (en) * | 1980-02-01 | 1981-09-04 | Nikka Chemical Ind Co Ltd | Color darkening agent of polyester fiber dyed article |
| CN102080336A (en) * | 2010-12-07 | 2011-06-01 | 江南大学 | Preparation and process of darkening printing paste for superfine polyester disperse dye |
| CN102816275A (en) * | 2012-08-24 | 2012-12-12 | 浙江理工大学 | Textile deepening agent and preparation method thereof |
| CN104213400A (en) * | 2014-08-20 | 2014-12-17 | 浙江理工大学 | Silicon dioxide antireflection coating liquid, preparation method of silicon-dioxide antireflection coating liquid and application of silicon-dioxide antireflection coating liquid in polyester fabrics |
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