CN110158333A - A kind of InkJet printing processes improving fabric color fastness - Google Patents
A kind of InkJet printing processes improving fabric color fastness Download PDFInfo
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- CN110158333A CN110158333A CN201910522103.7A CN201910522103A CN110158333A CN 110158333 A CN110158333 A CN 110158333A CN 201910522103 A CN201910522103 A CN 201910522103A CN 110158333 A CN110158333 A CN 110158333A
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06P—DYEING OR PRINTING TEXTILES; DYEING LEATHER, FURS OR SOLID MACROMOLECULAR SUBSTANCES IN ANY FORM
- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
- D06P1/445—Use of auxiliary substances before, during or after dyeing or printing
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- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
- D06P1/46—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders using compositions containing natural macromolecular substances or derivatives thereof
- D06P1/48—Derivatives of carbohydrates
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- D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
- D06P1/52—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders using compositions containing synthetic macromolecular substances
- D06P1/5207—Macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
- D06P1/525—Polymers of unsaturated carboxylic acids or functional derivatives thereof
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- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
- D06P1/52—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders using compositions containing synthetic macromolecular substances
- D06P1/5207—Macromolecular compounds obtained by reactions involving only carbon-to-carbon unsaturated bonds
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- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
- D06P1/52—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders using compositions containing synthetic macromolecular substances
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- D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
- D06P1/62—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders using compositions containing low-molecular-weight organic compounds with sulfate, sulfonate, sulfenic or sulfinic groups
- D06P1/621—Compounds without nitrogen
- D06P1/622—Sulfonic acids or their salts
- D06P1/623—Aliphatic, aralophatic or cycloaliphatic
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- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
- D06P1/62—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders using compositions containing low-molecular-weight organic compounds with sulfate, sulfonate, sulfenic or sulfinic groups
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- D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
- D06P1/64—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders using compositions containing low-molecular-weight organic compounds without sulfate or sulfonate groups
- D06P1/642—Compounds containing nitrogen
- D06P1/649—Compounds containing carbonamide, thiocarbonamide or guanyl groups
- D06P1/6491—(Thio)urea or (cyclic) derivatives
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- D06P1/00—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed
- D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
- D06P1/655—Compounds containing ammonium groups
- D06P1/66—Compounds containing ammonium groups containing quaternary ammonium groups
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- D06P1/44—General processes of dyeing or printing textiles, or general processes of dyeing leather, furs, or solid macromolecular substances in any form, classified according to the dyes, pigments, or auxiliary substances employed using insoluble pigments or auxiliary substances, e.g. binders
- D06P1/673—Inorganic compounds
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- D06P5/00—Other features in dyeing or printing textiles, or dyeing leather, furs, or solid macromolecular substances in any form
- D06P5/30—Ink jet printing
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- Ink Jet Recording Methods And Recording Media Thereof (AREA)
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- Inks, Pencil-Leads, Or Crayons (AREA)
Abstract
The present invention provides a kind of InkJet printing processes for improving fabric color fastness, specifically includes the following steps: preparing the porous silica of gelatin cladding first, it is mixing by itself and deionization, it sequentially adds cetyl trimethylammonium bromide, poly-aspartate, urea, α-sodium olefin sulfonate and is stirred obtained mixed slurry, and pretreatment dacron is made to dacron processing using it；Polyacrylamide modified nanometer cellulose crystal is prepared using in-situ synthesis；It is mixed to prepare synthesis ink with pigment, acrylic resin, neopelex, polyvinylpyrrolidone, ethylene glycol, deionized water, urea；Finally synthesis ink is placed in the ink tank of numerical control ink Jet system of ink-jet printer, ink-jet digit printing is carried out, is dried later, and carries out decatize and washing aftertreatment technology.This method is easy to operate, and the fabric color fastness after inkjet printing is high, and the ink-jet ink of use and the wetability of fabric are good, and stability is good.
Description
Technical field:
The present invention relates to digital printing technology fields, and in particular to a kind of InkJet printing processes for improving fabric color fastness.
Background technique:
Digital ink-jet printed technology has abandoned the various complicated rings of Conventional decal mode as a kind of newer stamp mode
Section, can directly carry out spray printing on the textile, not only substantially increase the precision of stamp, but also can realize more product on demand
The production requirement of kind, small lot meets current environmentally protective printing trend.Ink-jet mode can be divided into two kinds, and one is continuous
Ink-jet, one is drop on demand ink jet.Continuous ink-jet method is to apply high frequency oscillation pressure to ink, and ink is forced to form uniformly continuous
Droplet is sprayed from nozzle.It is equipped with one and the electric field of figure photoelectric conversion signal same frequency at nozzle, drop is controlled with this
Flight path.Drop on demand ink jet method is in stamp, and mechanical force and electromagnetic type thermal shock of the ink by high frequency are formed at nozzle
Small drop is ejected into designated position, forms pattern on the fabric.There are two types of application modes for drop on demand ink jet method, and one is piezoelectricity
Formula spraying system, piezoelectric material are generated compression in direction of an electric field by current potential, and expanding such that in vertical direction sprays ink
Out.Another is hot bubble type spraying system, can be by a resistance transient heating to 350 DEG C according to the electric signal of input
The state of left and right makes ink fast vaporizing form bubble, and the specified position of arrival system is then sprayed from nozzle and forms stamp
Pattern.After electric signal disappears, the bubble vaporized before will also disappear, and ink chamber is filled again.Bubble type drop on demand ink jet has spray
Advantage at low cost, but the spray head service life is short, and poor reliability.Piezoelectric ink jet printing machine by more than 20 years improvement with
Development is current most important ink-jet printed technology, is the most common product in the market.Compared with Conventional decal method, ink-jet
Printed design is flexibly, reaction is fast, convenience of drawing a design, low energy consumption, pollution is small, not only reduces enterprise's production cost, but also be conducive to environment
Protection.But at the same time, ink-jet printed there is also some problems, hamper the application of ink-jet printed technology and pushing away for equipment
Extensively.Such as: although stamp speed significantly improves, but stamp stability and stamp precision are difficult to be guaranteed.Ink-jet decorating machine
Spray head is easy blocking, so that production and processing cannot be continuous；The ink-jet printed higher cost with ink, dye ink be not general
Property, currently without the ink for being applicable in all fibres type.
With different dyes used in ink-jet printed technology and fiber species, the ink-jet printed technique of textile also becomes adjustment
Change.Suitable ink and printing technology should be selected according to the surface property difference of different fabrics.Acid dye multi-purpose for wool fabric
Material, dacron mainly use disperse dyes to carry out ink-jet printed processing, and most study is active dye to cellulosic fabric instantly
Material, paint ink are suitable for all fabrics, and printing technology is simple, can carry out stamp.But in order to enable color is more bright-coloured, answer
It is pre-processed.In ink-jet printed, pretreatment and post-processing are most important technique, are carried out to the surface nature of fabric
Different pretreatments to change the wetability and adsorptivity of fabric, and makes fabric preferably paint, and after the completion, carries out to fabric
Post-processing adheres to dyestuff on fabric to remove loose colour, to increase color fastness.
Chinese invention patent application (application number: 201310450452.5, the applying date: 2013.9.27) disclose a kind of surpass
The ink-jet printing method of sake material and its ink-jet printed combination layer, this method is specifically includes the following steps: printing assistant is dissolved in
In solvent, thickener is added, stirring is made into slurry；The slurry is coated with or is padded on ultrathin shell fabric, is dried, clot is standby
With；Adhesive is coated on carrier as bed course carrier, is dried for standby；Ultrathin shell fabric after being coated with or padding and bed course are carried
There is body the side of adhesive to be bonded, and pressurization is combined with each other ultrathin shell fabric and bed course carrier to form ink-jet printed combination layer,
Clot, it is spare；By above-mentioned ink-jet printed combination layer loaded on ink-jet decorating machine, the side that slurry is distributed with to ultrathin shell fabric is carried out
It is ink-jet printed, and dry simultaneously, clot；Ultrathin shell fabric passes through final finishing fixation treatment, then washes, and sizing or tentering become spray
Ink-printed ultrathin shell fabric, solve ultrathin shell fabric in the prior art be difficult to carry out it is ink-jet printed or carry out it is ink-jet printed at high cost,
The low deficiency of certified product rate.But this method needs bed course carrier and ultrathin shell fabric to have preferable binding performance, and this method
Be difficult to solve it is ink-jet printed during bleeding problem.
Chinese invention patent application (application number: 200710024154.4, the applying date: 2007.7.23) discloses one kind and mentions
The method of high inking printing pigment ink color fastness, belongs to technical field of textile printing.Be characterized in taking dispersible pigment color paste, polyalcohol,
Said components are sequentially added in container in proportion, are mixed with water by adhesive, crosslinking agent, surfactant, agitated,
Filtering is configured to pigment ink-jet inks；By pigment ink-jet inks on ink-jet decorating machine spray printing to fabric, then drying, bake it is solid
Color.This method passes through ink-jet decorating machine spray printing by the way that appropriate crosslinking agent is added in inking printing pigment ink after mixing
Onto fabric；During curing fixation, using the crosslinking filming performance of crosslinking agent, fabric surface formed it is continuous, fine and close,
Smooth printed film is not influencing ink injection performance so that the superfine pigment particle in ink is resistant to dry and wet friction
Under the premise of, improve the color fastness of superfine pigment particle on the fabric in ink.But this method can not equally solve ink-jet
Bleeding problem in the process, and the dye-uptake of fabric is not high.
Chinese invention patent application (application number: 200610104941.5, the applying date: 2006.11.21) disclose a kind of skin
Remove from office the preparation method of digital ink-jet printed pigment ink, ink by pigment microcapsules aqueous liquid dispersion, polymeric micro latex, go
Ionized water, water-miscible organic solvent, preservative, moisturizer, surfactant and pH adjusting agent composition.Preparation method are as follows: first
Pigment is dispersed into nano-scale particle, then makes water soluble polymer precipitating on pigment particles surface with non-solvent, is formed in water
Pigment microcapsules and other components are stirred by a certain percentage to get ink-jet by the pigment capsule of nano of middle stable dispersion
Printing ink.The advantages of this method is: the preparation process of ink is simple, and stability is good, and the ink-jet suitable for various leathers prints
Flower does not block up nozzle, and leather is not required to special pre-treatment, and post-processing is covered with paint, lacquer, colour wash, etc. using tradition without mill base, and decalcomania is fine, clear.But
It is that the fabric crock fastness of resistance to dry and wet made from this method is bad.
Summary of the invention:
The technical problem to be solved in the present invention is to provide a kind of ink-jet digital printing process for improving fabric color fastness, the works
Skill is easy to operate, is pre-processed first using homemade slurry to fabric, and pretreated fabric has good with ink
Wettability, and the bleeding problem of inkjet printing is effectively improved, synthesis stability of ink produced by the present invention is good, color fastness
Height, fabric dye-uptake are good.
In order to solve the above technical problems, The technical solution adopted by the invention is as follows:
A kind of ink-jet digital printing process improving fabric color fastness, specifically includes the following steps:
(1) gelatin and deionized water are blended at 50 DEG C and are stirred 50min, gelatin solution is made；By positive silicic acid second
Ester is dissolved in dehydrated alcohol, is stirred 30min, and the aqueous citric acid solution that concentration is 5wt% is then added, is stirred 1h,
The hydrochloric acid solution of 0.5mol/L is added later, continues to stir 20-100min, silicon dioxide gel is made, colloidal sol is quiet at room temperature
Set ripening 20h, be made gel, be finally dried, by the powder after drying in Muffle furnace air atmosphere, 300-400
Calcination processing 1h at DEG C is made porous silica, porous silica obtained is added in gelatin solution under 1000W power
It is ultrasonically treated 3h, is filtered later, is dried in vacuo, the porous silica of gelatin cladding is made；
(2) porous silica and the deionized water mixing coated gelatin obtained above, is then added cetyl three
Methyl bromide ammonium, poly-aspartate, urea, α-sodium olefin sulfonate, are uniformly mixed obtained mixed slurry；Dacron is set
Processing is padded in mixed slurry, is then taken out, it is dry at 80 DEG C, processing is baked at last 120 DEG C, pretreatment terylene is made and knits
Object；
(3) nano cellulose crystal solution is prepared, by acrylamide, N, N- methylene-bisacrylamide and deionized water are mixed
Conjunction stirs evenly, and nano cellulose crystal solution is then added, and is warming up to 60 DEG C, and potassium peroxydisulfate is added dropwise, is stirred to react 20-
30min is cooled to room temperature after reaction, filtering, and solid is dry, and polyacrylamide modified nanometer cellulose crystal is made；
(4) by pigment, acrylic resin, neopelex, polyvinylpyrrolidone, ethylene glycol and deionized water
It is uniformly mixed, polyacrylamide modified nanometer cellulose crystal obtained above is then added, is stirred, is eventually adding
It is 6-8 that urea, which adjusts its pH, uses partial size to filter for 0.65 μm of composite fibre film ink obtained, then using 0.25 μm
Composite fibre film is filtered, and synthesis ink is made；The composite fibre film that the present invention uses is purchased from Haining City Yadong filter plant
Co., Ltd；
(5) synthesis ink obtained above is placed in the ink tank of numerical control ink Jet system of ink-jet printer,
Setting resolution ratio is 1200dpi, carries out ink-jet digit printing to the surface of above-mentioned pretreatment dacron, is dried later,
And carry out decatize and washing aftertreatment technology.
As a preferred embodiment of the above technical solution, in step (1), the gelatin is purchased from the limited public affairs of Zhengzhou City Sheng Yuan chemical industry food
Department, molecular weight 10000-70000, the mass concentration of institute's gelatine solution are 13-15%.
As a preferred embodiment of the above technical solution, in step (1), the ethyl orthosilicate, citric acid, hydrochloric acid molar ratio be
5:(0.0012-0.0016): 0.03.
As a preferred embodiment of the above technical solution, in step (1), the porous silica, gelatin mass ratio be 1:(1-
2)。
As a preferred embodiment of the above technical solution, in step (2), the dosage of each component is respectively as follows: bright in parts by weight
2-6 parts of porous silica, 0.8-1.3 parts of the cetyl trimethylammonium bromide, 1-4 parts of poly-aspartate, urea of glue cladding
0.5-2 parts, α -0.5-1 parts of sodium olefin sulfonate, 60-80 parts of deionized water.
Nano cellulose crystal is a kind of nanoscale cellulose extracted from natural fiber, with nano particle
Feature, also there is some unique intensity and optical property, the nano cellulose crystal that the present invention uses is purchased from opening assist green wood
Expect scientific and technological (Shanghai) Co., Ltd., the pH being dispersed in water is 7-8,0.5-3 μm long having a size of 10-50nm wide after dispersion.
As a preferred embodiment of the above technical solution, in step (3), the quality of the nano cellulose crystal, polyacrylamide
Than for 2:(1-3).
As a preferred embodiment of the above technical solution, in step (3), the grain of the polyacrylamide modified nanometer cellulose crystal
Diameter size is 60-80nm.
As a preferred embodiment of the above technical solution, in step (4), dosage of each component is respectively as follows: acrylic acid tree in parts by weight
5-11 parts of rouge, 0.2-0.7 parts, 3-9 parts polyvinylpyrrolidones of neopelex, 1-4 parts of ethylene glycol, 2-3 parts poly- third
Acrylamide modified nanometer cellulose crystal, 0.5-1.3 parts of urea, 20-40 parts of deionized waters, 4-8 parts of pigment.
As a preferred embodiment of the above technical solution, in step (3), the mass concentration of the nano cellulose crystal solution is
3%.
As a preferred embodiment of the above technical solution, in step (2), the particle size of the porous silica of the gelatin cladding is
100±5nm。
The invention has the following advantages:
In order to improve the bleeding problem in ink jet printing process, the present invention first carries out fabric using homemade slurry pre-
Processing, can be improved the roughness of fabric surface, under the premise of not influencing fabric softness, improves ink in fabric table
The attachment degree in face to improve the color fastness of fabric, and reduces the imbibition phenomenon in dyeing course.It is produced by the present invention mixed
It closes in slurry, porous silica will be made using sol-gal process first, coating modification is then carried out to its surface using gelatin
Processing has good wetability with fabric fibre, can effectively be attached to fabric fibre surface, improve the coarse of fabric surface
Degree, and the intensity of fabric can be improved；Also suitable poly-aspartate, α-sodium olefin sulfonate be joined in mixed slurry, can be had
Effect crosslinks to form stable three-dimensional net structure in fabric surface, and the porous silica of gelatin coating modification is fixed on and is knitted
Dyeing rate and color fastness are improved in object surface, so that fabric has better glossiness.
There is a large amount of hydroxyl on nano cellulose crystal large specific surface area, surface, have good thixotropy, in order to improve it
Dispersibility in ink-jet ink, the present invention coat polyacrylamide, polypropylene obtained on its surface using in-situ synthesis
The nano cellulose crystal dispersion stabilization of amide cladding is good, stable mucilage binding liquid can be formed under external force, thus knitting
Object surface forms the cross-linked structure of stable three-dimensional network, improves the color fastness of fabric；Ink-jet ink produced by the present invention is viscous
Spend low, stability is good, and dye uptake is high.
Specific embodiment:
In order to better understand the present invention, below by embodiment, the present invention is further described, and embodiment is served only for solving
The present invention is released, any restriction will not be constituted to the present invention.
Embodiment 1
A kind of ink-jet digital printing process improving fabric color fastness, specifically includes the following steps:
(1) gelatin and deionized water are blended at 50 DEG C and are stirred 50min, the gelatin that mass concentration is 13% is made
Solution；Ethyl orthosilicate is dissolved in dehydrated alcohol, 30min is stirred, it is water-soluble that the citric acid that concentration is 5wt% is then added
Liquid is stirred 1h, and the hydrochloric acid solution of 0.5mol/L is added later, continues to stir 20min, silicon dioxide gel is made, wherein
Ethyl orthosilicate, citric acid, hydrochloric acid molar ratio be 5:0.0012:0.03；By colloidal sol still aging processing 20h at room temperature, system
Gel, be finally dried, by the powder after drying in Muffle furnace air atmosphere, calcination processing 1h at 300-400 DEG C, system
Porous silica is obtained, porous silica obtained is added in gelatin solution under 1000W power and is ultrasonically treated 3h, later mistake
The porous silica of gelatin cladding is made in filter, vacuum drying；Wherein, porous silica, gelatin mass ratio be 1:1；
(2) in parts by weight, the porous silica and 60 parts of deionized waters 2 parts of gelatin obtained above coated mixes,
Then 0.8 part of cetyl trimethylammonium bromide, 1 part of poly-aspartate, 0.5 part of urea, 0.5 part of α-sodium olefin sulfonate is added,
It is uniformly mixed obtained mixed slurry；Dacron is placed in mixed slurry and pads processing, is then taken out, is done at 80 DEG C
It is dry, processing is baked at last 120 DEG C, pretreatment dacron is made；
(3) the nano cellulose crystal solution that preparation mass concentration is 3%, by acrylamide, N, N- methylene bisacrylamide
Amide and deionized water are mixed evenly, and nano cellulose crystal solution is then added, and are warming up to 60 DEG C, and persulfuric acid is added dropwise
Potassium is stirred to react 20-30min, is cooled to room temperature after reaction, filtering, and solid is dry, and polyacrylamide modification is made and receives
Rice cellulose crystals；Wherein, nano cellulose crystal, polyacrylamide mass ratio be 2:1；
(4) in parts by weight, by 4 parts of pigment, 5 parts of acrylic resins, 0.2 part of neopelex, 3 parts of polyethylene
Pyrrolidones, 1 part of ethylene glycol and 20 parts of deionized waters are uniformly mixed, and 2 parts of polyacrylamides obtained above are then added
Modified nanometer cellulose crystal, is stirred, and being eventually adding 0.5 part of urea and adjusting its pH is 6-8, and ink obtained is used grain
The composite fibre film that diameter is 0.65 μm filters, then is filtered using 0.25 μm of composite fibre film, and synthesis ink is made；
(5) synthesis ink obtained above is placed in the ink tank of numerical control ink Jet system of ink-jet printer,
Setting resolution ratio is 1200dpi, carries out ink-jet digit printing to the surface of above-mentioned pretreatment dacron, is dried later,
And carry out decatize and washing aftertreatment technology.
Embodiment 2
A kind of ink-jet digital printing process improving fabric color fastness, specifically includes the following steps:
(1) gelatin and deionized water are blended at 50 DEG C and are stirred 50min, it is 13-15%'s that mass concentration, which is made,
Gelatin solution；Ethyl orthosilicate is dissolved in dehydrated alcohol, 30min is stirred, the citric acid that concentration is 5wt% is then added
Aqueous solution is stirred 1h, and the hydrochloric acid solution of 0.5mol/L is added later, continues to stir 100min, silicon dioxide gel is made,
Wherein, ethyl orthosilicate, citric acid, hydrochloric acid molar ratio be 5:0.0016:0.03；By colloidal sol still aging processing at room temperature
20h is made gel, is finally dried, by the powder after drying in Muffle furnace air atmosphere, at 300-400 DEG C at calcining
1h is managed, porous silica is made, porous silica obtained is added in gelatin solution and is ultrasonically treated under 1000W power
3h is filtered later, and the porous silica of gelatin cladding is made in vacuum drying；Wherein, porous silica, gelatin mass ratio be
1:2；
(2) in parts by weight, the porous silica and 80 parts of deionized waters 6 parts of gelatin obtained above coated mixes,
Then 1.3 parts of cetyl trimethylammonium bromides, 4 parts of poly-aspartates, 2 parts of urea, 1 part of α-sodium olefin sulfonate, stirring is added
It is uniformly mixed obtained mixed slurry；Dacron is placed in mixed slurry and pads processing, is then taken out, it is dry at 80 DEG C, most
Processing is baked at 120 DEG C afterwards, and pretreatment dacron is made；
(3) the nano cellulose crystal solution that preparation mass concentration is 3%, by acrylamide, N, N- methylene bisacrylamide
Amide and deionized water are mixed evenly, and nano cellulose crystal solution is then added, and are warming up to 60 DEG C, and persulfuric acid is added dropwise
Potassium is stirred to react 20-30min, is cooled to room temperature after reaction, filtering, and solid is dry, and polyacrylamide modification is made and receives
Rice cellulose crystals；Wherein, nano cellulose crystal, polyacrylamide mass ratio be 2:3；
(4) in parts by weight, by 8 parts of pigment, 11 parts of acrylic resins, 0.7 part of neopelex, 9 parts of poly- second
Alkene pyrrolidone, 4 parts of ethylene glycol and 40 parts of deionized waters are uniformly mixed, and 3 parts of polyacrylamides obtained above are then added
Amine modified nanometer cellulose crystal, is stirred, and being eventually adding 1.3 parts of urea and adjusting its pH is 6-8, and ink obtained is used
The composite fibre film that partial size is 0.65 μm filters, then is filtered using 0.25 μm of composite fibre film, and synthesis ink is made；
(5) synthesis ink obtained above is placed in the ink tank of numerical control ink Jet system of ink-jet printer,
Setting resolution ratio is 1200dpi, carries out ink-jet digit printing to the surface of above-mentioned pretreatment dacron, is dried later,
And carry out decatize and washing aftertreatment technology.
Embodiment 3
A kind of ink-jet digital printing process improving fabric color fastness, specifically includes the following steps:
(1) gelatin and deionized water are blended at 50 DEG C and are stirred 50min, the gelatin that mass concentration is 14% is made
Solution；Ethyl orthosilicate is dissolved in dehydrated alcohol, 30min is stirred, it is water-soluble that the citric acid that concentration is 5wt% is then added
Liquid is stirred 1h, and the hydrochloric acid solution of 0.5mol/L is added later, continues to stir 50min, silicon dioxide gel is made, wherein
Ethyl orthosilicate, citric acid, hydrochloric acid molar ratio be 5:0.0013:0.03；By colloidal sol still aging processing 20h at room temperature, system
Gel, be finally dried, by the powder after drying in Muffle furnace air atmosphere, calcination processing 1h at 300-400 DEG C, system
Porous silica is obtained, porous silica obtained is added in gelatin solution under 1000W power and is ultrasonically treated 3h, later mistake
The porous silica of gelatin cladding is made in filter, vacuum drying；Wherein, porous silica, gelatin mass ratio be 1:1.5；
(2) in parts by weight, the porous silica and 65 parts of deionized waters 3 parts of gelatin obtained above coated mixes,
Then 0.9 part of cetyl trimethylammonium bromide, 2 parts of poly-aspartates, 1 part of urea, 0.6 part of α-sodium olefin sulfonate is added, stirs
It mixes and is uniformly mixed obtained mixed slurry；Dacron is placed in mixed slurry and pads processing, is then taken out, it is dry at 80 DEG C,
Processing is baked at last 120 DEG C, pretreatment dacron is made；
(3) the nano cellulose crystal solution that preparation mass concentration is 3%, by acrylamide, N, N- methylene bisacrylamide
Amide and deionized water are mixed evenly, and nano cellulose crystal solution is then added, and are warming up to 60 DEG C, and persulfuric acid is added dropwise
Potassium is stirred to react 20-30min, is cooled to room temperature after reaction, filtering, and solid is dry, and polyacrylamide modification is made and receives
Rice cellulose crystals；Wherein, nano cellulose crystal, polyacrylamide mass ratio be 2:1.5；
(4) in parts by weight, by 5 parts of pigment, 6 parts of acrylic resins, 0.3 part of neopelex, 4 parts of polyethylene
Pyrrolidones, 2 parts of ethylene glycol and 25 parts of deionized waters are uniformly mixed, and 2.5 parts of polyacrylamides obtained above are then added
Amine modified nanometer cellulose crystal, is stirred, and being eventually adding 0.7 part of urea and adjusting its pH is 6-8, and ink obtained is used
The composite fibre film that partial size is 0.65 μm filters, then is filtered using 0.25 μm of composite fibre film, and synthesis ink is made；
(5) synthesis ink obtained above is placed in the ink tank of numerical control ink Jet system of ink-jet printer,
Setting resolution ratio is 1200dpi, carries out ink-jet digit printing to the surface of above-mentioned pretreatment dacron, is dried later,
And carry out decatize and washing aftertreatment technology.
Embodiment 4
A kind of ink-jet digital printing process improving fabric color fastness, specifically includes the following steps:
(1) gelatin and deionized water are blended at 50 DEG C and are stirred 50min, the gelatin that mass concentration is 14% is made
Solution；Ethyl orthosilicate is dissolved in dehydrated alcohol, 30min is stirred, it is water-soluble that the citric acid that concentration is 5wt% is then added
Liquid is stirred 1h, and the hydrochloric acid solution of 0.5mol/L is added later, continues to stir 60min, silicon dioxide gel is made, wherein
Ethyl orthosilicate, citric acid, hydrochloric acid molar ratio be 5:0.0014:0.03；By colloidal sol still aging processing 20h at room temperature, system
Gel, be finally dried, by the powder after drying in Muffle furnace air atmosphere, calcination processing 1h at 300-400 DEG C, system
Porous silica is obtained, porous silica obtained is added in gelatin solution under 1000W power and is ultrasonically treated 3h, later mistake
The porous silica of gelatin cladding is made in filter, vacuum drying；Wherein, porous silica, gelatin mass ratio be 1:1；
(2) in parts by weight, the porous silica and 70 parts of deionized waters 4 parts of gelatin obtained above coated mixes,
Then 1.0 parts of cetyl trimethylammonium bromides, 3 parts of poly-aspartates, 1.5 parts of urea, 0.7 part of α-sodium olefin sulfonate are added,
It is uniformly mixed obtained mixed slurry；Dacron is placed in mixed slurry and pads processing, is then taken out, is done at 80 DEG C
It is dry, processing is baked at last 120 DEG C, pretreatment dacron is made；
(3) the nano cellulose crystal solution that preparation mass concentration is 3%, by acrylamide, N, N- methylene bisacrylamide
Amide and deionized water are mixed evenly, and nano cellulose crystal solution is then added, and are warming up to 60 DEG C, and persulfuric acid is added dropwise
Potassium is stirred to react 20-30min, is cooled to room temperature after reaction, filtering, and solid is dry, and polyacrylamide modification is made and receives
Rice cellulose crystals；Wherein, nano cellulose crystal, polyacrylamide mass ratio be 2:2；
(4) in parts by weight, by 6 parts of pigment, 8 parts of acrylic resins, 0.5 part of neopelex, 6 parts of polyethylene
Pyrrolidones, 3 parts of ethylene glycol and 30 parts of deionized waters are uniformly mixed, and 2.5 parts of polyacrylamides obtained above are then added
Amine modified nanometer cellulose crystal, is stirred, and being eventually adding 1.0 parts of urea and adjusting its pH is 6-8, and ink obtained is used
The composite fibre film that partial size is 0.65 μm filters, then is filtered using 0.25 μm of composite fibre film, and synthesis ink is made；
(5) synthesis ink obtained above is placed in the ink tank of numerical control ink Jet system of ink-jet printer,
Setting resolution ratio is 1200dpi, carries out ink-jet digit printing to the surface of above-mentioned pretreatment dacron, is dried later,
And carry out decatize and washing aftertreatment technology.
Embodiment 5
A kind of ink-jet digital printing process improving fabric color fastness, specifically includes the following steps:
(1) gelatin and deionized water are blended at 50 DEG C and are stirred 50min, the gelatin that mass concentration is 14% is made
Solution；Ethyl orthosilicate is dissolved in dehydrated alcohol, 30min is stirred, it is water-soluble that the citric acid that concentration is 5wt% is then added
Liquid is stirred 1h, and the hydrochloric acid solution of 0.5mol/L is added later, continues to stir 80min, silicon dioxide gel is made, wherein
Ethyl orthosilicate, citric acid, hydrochloric acid molar ratio be 5:0.0015:0.03；By colloidal sol still aging processing 20h at room temperature, system
Gel, be finally dried, by the powder after drying in Muffle furnace air atmosphere, calcination processing 1h at 300-400 DEG C, system
Porous silica is obtained, porous silica obtained is added in gelatin solution under 1000W power and is ultrasonically treated 3h, later mistake
The porous silica of gelatin cladding is made in filter, vacuum drying；Wherein, porous silica, gelatin mass ratio be 1:2；
(2) in parts by weight, the porous silica and 75 parts of deionized waters 5 parts of gelatin obtained above coated mixes,
Then 1.2 parts of cetyl trimethylammonium bromides, 3.5 parts of poly-aspartates, 2 parts of urea, 0.9 part of α-sodium olefin sulfonate are added,
It is uniformly mixed obtained mixed slurry；Dacron is placed in mixed slurry and pads processing, is then taken out, is done at 80 DEG C
It is dry, processing is baked at last 120 DEG C, pretreatment dacron is made；
(3) the nano cellulose crystal solution that preparation mass concentration is 3%, by acrylamide, N, N- methylene bisacrylamide
Amide and deionized water are mixed evenly, and nano cellulose crystal solution is then added, and are warming up to 60 DEG C, and persulfuric acid is added dropwise
Potassium is stirred to react 20-30min, is cooled to room temperature after reaction, filtering, and solid is dry, and polyacrylamide modification is made and receives
Rice cellulose crystals；Wherein, nano cellulose crystal, polyacrylamide mass ratio be 2:2.5；
(4) in parts by weight, by 7 parts of pigment, 10 parts of acrylic resins, 0.6 part of neopelex, 8 parts of poly- second
Alkene pyrrolidone, 3 parts of ethylene glycol and 35 parts of deionized waters are uniformly mixed, and 2.8 parts of polypropylene obtained above are then added
Amide modifications nano cellulose crystal, is stirred, and being eventually adding 1.2 parts of urea and adjusting its pH is 6-8, and ink obtained is adopted
It is filtered with the composite fibre film that partial size is 0.65 μm, then is filtered using 0.25 μm of composite fibre film, synthesis ink is made；
(5) synthesis ink obtained above is placed in the ink tank of numerical control ink Jet system of ink-jet printer,
Setting resolution ratio is 1200dpi, carries out ink-jet digit printing to the surface of above-mentioned pretreatment dacron, is dried later,
And carry out decatize and washing aftertreatment technology.
Comparative example 1
Fabric is not pre-processed, other techniques and embodiment 5 are identical.
Comparative example 2
The porous silica of gelatin cladding is not added in pretreatment slurry, other techniques and embodiment 5 are identical.
Comparative example 3
The nano cellulose crystal of polyacrylamide cladding is not added in ink-jet ink, other techniques and embodiment 5 are identical.
The fabric after ink-jet ink and inkjet printing is tested for the property below.
1, fabric apparent colour depth (K/S value) is tested
Apparent Depth refers to that the color of opaque substance gives a kind of feeling of people, it can reflect the dyeing effect of dyestuff
Fruit, with the dye-uptake of dyestuff in relation to but be not equal to the dye-uptake of dyestuff.Library Bell card-Munch (Kubelka-Munk) function is one
The calculation formula of kind common solid sample case depth is research in pigment application Mr. Yu's matrix, case depth be by
What the relationship between pigment concentration obtained.
Wherein, K is the absorption coefficient of tested object；S is the reflection coefficient of tested object；When R is that light does not penetrate
Reflectivity；R∞Tend to reflectance factor when infinite thickness for testee.Do not calculate K value and S value individually under normal circumstances, and
It is to calculate K/S value, therefore, K/S value is one kind of color Apparent Depth.
Expression way.
2, fabric color fastness is tested
Colorfastness to rubbing is measured referring to GB/T 3920-2008 " textile color stability test colour fastness to rubbing ".
WASHING COLOR FASTNESS is carried out referring to the method for GB/T 3921-2008 " textile color stability test fastness to soaping "
Measurement.
Weathering color fastness is carried out referring to GB/T 8427-2008 " textile color stability tests the color fastness of resistance to artificial light: xenon arc "
Measurement.
3, ink heat-resistant stability is tested:
It is taken out after ink-jet ink obtained is placed 120h in 40 ± 1 DEG C of insulating box, places restore for 24 hours at room temperature
Room temperature has seen whether that precipitating or solid are precipitated respectively.
4, permeability
Permeability indicates ink imbibition degree on the fabric, and permeability (R) can with the reverse side of fabric after fixation and just
The color difference percentage in face indicates.With the desk-top spectrophotometric color measurement instrument of Color i5 type of Ai Seli X-rite company, the U.S., in D65 light
Under source, aperture is the round instrument connection of 6mm, the K/S value table for the fabric face and reverse side that test printing color lump is post-processed through fixation
Show, wherein the wavelength for needing test fabric Apparent Depth K/S value is wavelength at the absorption maximum of selected print colors.Ink
Permeability can be calculated according to the following formula:
5, degree of fixation
Test result is as shown in table 1, table 2.
Table 1
Table 2
| Thermal stability | Permeability, % | Degree of fixation, % | |
| Embodiment 1 | No obvious sediment generates | 8.2 | 83.35 |
| Embodiment 2 | No obvious sediment generates | 7.9 | 85.12 |
| Embodiment 3 | No obvious sediment generates | 8.8 | 86.29 |
| Embodiment 4 | No obvious sediment generates | 8.0 | 83.08 |
| Embodiment 5 | No obvious sediment generates | 8.3 | 81.95 |
| Comparative example 3 | No obvious sediment generates | 7.3 | 71.33 |
It can be seen that ink jet ink good hydrothermal stability produced by the present invention from above-mentioned test result, the wetability with fabric
Can be excellent, the color fastness of fabric is good, and carries out inkjet printing after pre-processing to fabric again, and the color fastness of fabric improves more
It is obvious.
Although specific embodiments of the present invention are described, many other forms of the invention and change
Change will be apparent to those skilled in the art.It should be understood that appended claims and the present invention usually cover the present invention very
All these apparent forms and change in real spirit and scope.
Claims (10)
1. a kind of InkJet printing processes for improving fabric color fastness, which comprises the following steps:
(1) gelatin and deionized water are blended at 50 DEG C and are stirred 50-60min, gelatin solution is made；By ethyl orthosilicate
It is dissolved in dehydrated alcohol, is stirred 30min, the aqueous citric acid solution that concentration is 5-10wt% is then added, is stirred 1-
The hydrochloric acid solution of 0.5mol/L is added in 2h later, continues to stir 20-100min, silicon dioxide gel is made, at room temperature by colloidal sol
Still aging processing 20-30h, be made gel, be finally dried, by the powder after drying in Muffle furnace air atmosphere,
Calcination processing 1h at 300-400 DEG C, be made porous silica, by porous silica obtained be added in gelatin solution in
It is ultrasonically treated 3h under 1000W power, filters later, is dried in vacuo, the porous silica of gelatin cladding is made；
(2) porous silica and the deionized water mixing coated gelatin obtained above, is then added cetyl trimethyl
Ammonium bromide, poly-aspartate, urea, α-sodium olefin sulfonate, are uniformly mixed obtained mixed slurry；Dacron is placed in mixed
It closes in slurry and pads processing, then take out, it is dry at 80 DEG C, processing is baked at last 120 DEG C, pretreatment dacron is made；
(3) nano cellulose crystal solution is prepared, by acrylamide, N, N- methylene-bisacrylamide and deionized water mixing are stirred
It mixes uniformly, nano cellulose crystal solution is then added, be warming up to 60 DEG C, potassium peroxydisulfate is added dropwise, is stirred to react 20-30min, instead
It is cooled to room temperature, filters after answering, solid is dry, polyacrylamide modified nanometer cellulose crystal is made；
(4) pigment, acrylic resin, neopelex, polyvinylpyrrolidone, ethylene glycol and deionized water are stirred
It is uniformly mixed, polyacrylamide modified nanometer cellulose crystal obtained above is then added, is stirred, is eventually adding urea
Adjusting its pH is 6-8, uses partial size to filter for 0.65 μm of composite fibre film ink obtained, then use 0.25 μm of mixing
Tunica fibrosa is filtered, and synthesis ink is made；
(5) synthesis ink obtained above is placed in the ink tank of numerical control ink Jet system of ink-jet printer, is arranged
Resolution ratio is 1200dpi, carries out ink-jet digit printing to the surface of above-mentioned pretreatment dacron, is dried, gone forward side by side later
Row decatize and washing aftertreatment technology.
2. a kind of InkJet printing processes for improving fabric color fastness according to claim 1, which is characterized in that step (1)
In, the gelatin is purchased from Zhengzhou City Sheng Yuan chemical industry Food Co., Ltd, molecular weight 10000-70000, institute's gelatine solution
Mass concentration be 13-15%.
3. a kind of InkJet printing processes for improving fabric color fastness according to claim 1, which is characterized in that step (1)
In, the ethyl orthosilicate, citric acid, hydrochloric acid molar ratio be 5:(0.0012-0.0016): 0.03.
4. a kind of InkJet printing processes for improving fabric color fastness according to claim 1, which is characterized in that step (1)
In, the porous silica, gelatin mass ratio be 1:(1-2).
5. a kind of InkJet printing processes for improving fabric color fastness according to claim 1, which is characterized in that step (2)
In, the dosage of each component is respectively as follows: 2-6 parts of the porous silica of gelatin cladding, cetyl trimethyl in parts by weight
0.8-1.3 parts of ammonium bromide, 1-4 parts of poly-aspartate, 0.5-2 parts of urea, α -0.5-1 parts of sodium olefin sulfonate, deionized water 60-80
Part.
6. a kind of InkJet printing processes for improving fabric color fastness according to claim 1, which is characterized in that step (2)
In, the particle size of the porous silica of the gelatin cladding is 100 ± 5nm.
7. a kind of InkJet printing processes for improving fabric color fastness according to claim 1, which is characterized in that step (3)
In, the mass concentration of the nano cellulose crystal solution is 3%.
8. a kind of InkJet printing processes for improving fabric color fastness according to claim 1, which is characterized in that step (3)
In, the nano cellulose crystal, polyacrylamide mass ratio be 2:(1-3).
9. a kind of InkJet printing processes for improving fabric color fastness according to claim 1, which is characterized in that step (3)
In, the particle size of the polyacrylamide modified nanometer cellulose crystal is 60-80nm.
10. a kind of InkJet printing processes for improving fabric color fastness according to claim 1, which is characterized in that step (4)
In, dosage of each component is respectively as follows: 5-11 parts of acrylic resin, 0.2-0.7 parts of neopelex, 3-9 in parts by weight
Part polyvinylpyrrolidone, 1-4 parts of ethylene glycol, 2-3 parts of polyacrylamide modified nanometer cellulose crystal, 0.5-1.3 parts of urea,
20-40 parts of deionized waters, 4-8 parts of pigment.
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