CN103255653B - Dyeing process and dyeing apparatus for collagen fiber regenerated leather - Google Patents
Dyeing process and dyeing apparatus for collagen fiber regenerated leather Download PDFInfo
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- CN103255653B CN103255653B CN201310120148.4A CN201310120148A CN103255653B CN 103255653 B CN103255653 B CN 103255653B CN 201310120148 A CN201310120148 A CN 201310120148A CN 103255653 B CN103255653 B CN 103255653B
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
- D06B13/00—Treatment of textile materials with liquids, gases or vapours with aid of vibration
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Abstract
The invention relates to a dyeing process for collagen fiber regenerated leather. The process successively comprises at least two dyeing treatment, at least one fixation treatment, at least one handfeel modification and drying treatment, wherein dyeing, fixation and handfeel modification are all carried out in an supersonic sound field, so a coloring agent, a fixing agent and a handfeel modifier can effectively penetrate into collagen fiber bundles so as to obtain a more uniform dyeing effect. The concentration of the coloring agent in sequentially used bath liquids increasingly decreases, temperatures of the bath liquids gradually increase, the power of the supersonic sound field increasingly decreases, so bath liquids with high concentration can infiltrate into a leather blank at first, and flooding which is serious in the process of filtration can be eliminated in subsequent dipping in liquids with low concentration; thus, flooding generated in subsequent procedures increasingly decreases, and uniform dyeing of the leather blank is realized. Moreover, surface flooding is eliminated in virtue of a brush of a brush roller in the invention. The invention also relates to a dyeing apparatus capable of realizing continuous uniform dyeing of cloth and leather.
Description
Technical field
The present invention relates to manufacture method and the textile machine of nonwoven material, be specifically related to a kind of dyeing of Collagenous fiber bonded leather and the dyeing apparatus for Collagenous fiber bonded leather dyeing.
Background technology
Collagenous fiber bonded leather is because its raw material is cheap, performance obtains increasingly extensive application close to features such as corium.In order to adapt to the demand of Market Diversification, Collagenous fiber bonded leather is needed to carry out the process such as dyeing.
The dyeing of existing leather has used for reference the colouring method of the natural fabric such as traditional cotton, wool and the artificial fibre such as terylene, polyamide fibre, generally comprises process of once dyeing, a fixation treatment and drying process successively.And for the dyeing of collagenous fiber bundle or Collagenous fiber bonded leather, the Color of the dyeing of this routine is unsatisfactory, its reason is: the structure of the natural fabrics such as cotton, wool and the artificial fibre such as terylene, polyamide fibre is simple, be generally three layers of sleeve structure, for cotton, wool, cotton fiber is by primary layer outside, form at interior lumen and the secondary layer be clipped between primary layer and lumen, and wool fibre is by horn shape scale layer outside, form at interior medullary substance layer and folder cortical layer between these two layers there; And collagenous fiber bundle structure is more complicated.First, some collagen fine fibres are united composition collagenous fibres, some collagenous fibres are united and are formed primary filament bundle, some primary filament bundles are united and are formed secondary fiber bundle, some secondary fibre bundles are united composition three grades of fiberoptic fiber bundles again, collagenous fiber bundle after corium solution fibre mostly is the blended fiber bundle by three grades of fibre bundles and a small amount of secondary fiber Shu Zucheng, therefore, with cotton by other, the natural fabrics such as wool or terylene, the textile dyeing of the composition such as the artificial fibres such as polyamide fibre is compared, the level dyeing difficulty of the Collagenous fiber bonded leather be made up of collagenous fiber bundle is higher.Although use by improving the concentration of dyeing liquor and dyeing time improves Color, Expenses Cost and losing time; Meanwhile, the leather loose colour that this method obtains is serious, and sandwich layer and the top layer of leather easily produce aberration, and make leather in use then affects attractive in appearance as there is surface abrasion etc. very much.
In order to improve Color, application number be 201110028467.3 Chinese patent disclose a kind of leather dyeing method utilizing ultrasonic wave and microwave, the dyeing bath that leather is being placed in ultrasonic sound field dyes by the method, after microwave drying, be placed in the fixation body lotion fixation of ultrasonic sound field again, finally extrude moisture again and drying.Simultaneously, ultrasonic wave also can play the effect of removing staining textile loose colour, if application number is 200810020453.5, Chinese patent discloses a kind of method using multi-frequency ultrasonic to remove staining textile loose colour, the method be in washing container in the some ultrasonic vibration boxes of installation.As can be seen here, by Ultrasonic Dyeing, dyeing bath need be equipped with; Remove loose colour by ultrasonic wave, need to be equipped with clean body lotion.And realize dyeing by ultrasonic wave simultaneously and remove surperficial loose colour, to obtain uniform color, being showed no in published patent and non-patent literature allly has corresponding technology to enlighten.
Thus, how to realize the uniform dyeability of Collagenous fiber bonded leather, the applicant has done actively making repeated attempts of having a mind to, and has looked for the method for dealing with problems.
Summary of the invention
The technical issues that need to address of the present invention are the dyeing providing a kind of Collagenous fiber bonded leather.
The technical issues that need to address of the present invention are also the device providing a kind of dyeing, and it can be used for the dyeing of Collagenous fiber bonded leather.
A kind of Collagenous fiber bonded leather dyeing, comprises the following steps:
(1) dyeing process: Collagenous fiber bonded leather base is dyeed each 0.5 ~ 5 minute through the dyeing bath containing coloring agent that at least two kinds are placed in ultrasonic sound field, extruding content liquid in skin base to skin base is again 30 ~ 55%, and the liquid wherein squeezed out returns corresponding body lotion system;
(2) fixation treatment: by the skin base after dyeing process at least a kind of fixation body lotion fixation containing coloring agent and color-fixing agent being placed in ultrasonic sound field 0.5 ~ 5 minute, extruding content liquid in skin base to skin base is again 30 ~ 55%, and the liquid wherein squeezed out returns corresponding body lotion system;
(3) feel modification: by the skin base after dyeing process at least a kind of fixation body lotion fixation containing coloring agent and color-fixing agent being placed in ultrasonic sound field 0.5 ~ 5 minute, extruding content liquid in skin base to skin base is again 30 ~ 55%, and the liquid wherein squeezed out returns corresponding body lotion system;
(4) dry process: subsequent handling routinely carries out drying process.
Preferably, in above-mentioned technique, in described dyeing bath and fixation body lotion, stain concentration is 0.1 ~ 12%; In described dyeing bath, fixation body lotion and feel modification body lotion, ultrasonic power is 300 ~ 2000W, and bath temperature is 30 ~ 98 DEG C.
Further preferably, in above-mentioned technique, in the dyeing bath that described step (1) and (2) use successively and fixation body lotion, stain concentration reduces successively; In the body lotion of the dyeing bath that described step (1), (2) and (3) use successively, fixation body lotion and feel modification body lotion, hyperacoustic power reduces successively, and bath temperature raises successively.
Still more preferably, in above-mentioned technique, in described step (1), (2) and (3), Collagenous fiber bonded leather base also needed the loose colour first brushing away skin base surface with hairbrush before water of compaction divides.Preferably be arranged on above body lotion level and a brush roll is set to brush away loose colour.
Still more preferably, in above-mentioned technique, described step (1) dyeing bath and described step (2) fixation body lotion are also mixed with dye penetrant and tannic acid, and regulating the pH value of body lotion to be 6 ~ 8 with ammoniacal liquor, described step (2) color-fixing agent is Cationic fixing agents; Described step (3) grease is mineral oil and/or lanolin.
Still more preferably, in above-mentioned technique, in described step (1), Collagenous fiber bonded leather base is dyeed through three kinds of dyeing baths successively, and flood 0.5 ~ 5 minute in each dyeing bath; In described step (2), Collagenous fiber bonded leather base is carried out fixation through two kinds of fixation body lotions successively, and flood 0.5 ~ 5 minute in each fixation body lotion; In described step (3), Collagenous fiber bonded leather base is carried out feel modification through a kind of body lotion containing grease and Feel Modifzers, and flood 0.5 ~ 5 minute in this body lotion.
For a dyeing apparatus for above-mentioned Collagenous fiber bonded leather dyeing, comprise along walking at least two dyeing containers, at least one fixation container, at least one container for feel modification and at least one cloth drying machine that cloth direction sets gradually; Each container has body lotion, and is provided with two row's fabric guide rolls, comprises the upper fabric guide roll being positioned at body lotion ullage and the lower fabric guide roll be positioned at below body lotion liquid level; Each container is also furnished with for dyeing, brush away the device of skin base or design on fabric surface loose colour after fixation or feel modification, and the device of liquid in extruding skin base or cloth after removing for loose colour; Also be provided with electrothermal heater and some ultrasonic vibration boxes in each container, the ultrasonic power in each container is 300 ~ 2000W.
Preferably, in above-mentioned dyeing apparatus, described in brush away skin base or design on fabric surface loose colour device be a brush roll, brush roll is positioned at each described container exceeds body lotion liquid level top along last the lower fabric guide roll walking cloth direction; In described extruding skin base or cloth, the device of moisture is pressure roller.Pressure roller is disposed adjacent with a fabric guide roll, and gap between the two holds skin base or cloth passes therethrough.
Further preferably, in above-mentioned dyeing apparatus, described brush roll and described pressure roller are all positioned at the inner side of described container; Or described pressure roller is positioned at described outside of containers, and be provided with below described pressure roller for reclaiming the liquid the material-receiving device communicated with described container that extrude and obtain.
Preferably, in above-mentioned dyeing apparatus, this device comprises the container for feel modification described in three described dyeing containers, two described fixation containers and successively; Described ultrasonic vibration box is located near described lower fabric guide roll, connects with supersonic generator by connecting wire; Described electric heater is positioned at bottom and/or the surrounding of described container; Along walking cloth direction, the ultrasonic power in each described container declines gradually.
Compared with prior art, the present invention has the following advantages:
1, a kind of Collagenous fiber bonded leather dyeing of the present invention and dyeing apparatus, this technique adopts repeatedly dyeing process and repeatedly fixation treatment, dyeing, fixation treatment and feel modification are all carried out in ultrasonic sound field, make coloring agent, color-fixing agent and Feel Modifzers more effectively to infiltrate in Collagenous fiber bonded leather, obtain evenly Color.
2, a kind of Collagenous fiber bonded leather dyeing of the present invention and dyeing apparatus, Ultrasonic Dyeing and ultrasonic cleaning technology is applied dexterously in this technique, control the concentration of coloring agent in the body lotion used successively by high step-down, the power of ultrasonic sound field from large to small, the body lotion making concentration high can first infiltrate in skin base, although it is serious that this process produces loose colour, can at follow-up low concentration and with removing when flooding in hyperacoustic body lotion; And with intense ultrasonic wave during high stin of thickness, with weak ultrasonic wave during low stin of thickness, make process dyeing in early stage be main, except loose colour is auxiliary, the process later stage, dyeing was auxiliary to remove loose colour.This colouring method makes the loose colour of generation fewer and feweri, and the color of skin base is more and more even.
3, a kind of Collagenous fiber bonded leather dyeing of the present invention and dyeing apparatus, in this technique, along with the concentration of coloring agent is more and more lower, Color can become more and more not remarkable, therefore, while stain concentration reduces, dyeing of the present invention improves bath temperature gradually, coloring agent molecule can be moved more actively, more effectively adsorb on skin base, thus staining efficiency when improving later stage low stain concentration.
4, a kind of staining for collagen regeneration leather dyeing technique of the present invention and dyeing apparatus, the bubble produced except utilizing ultrasonic sound field cavitation is to remove except the loose colour of skin base surface, also brush away the loose colour on skin base surface by the such as hairbrush such as brush roll, thus further eliminate the flooding phenomenon on skin base surface.
5, a kind of dyeing apparatus of the present invention can realize the continuous dyeing of cloth and cladding.For the regenerated bark base be made up of collagenous fiber bundle, this device has good and uniform Color, and by the selection of coloring agent, staining for collagen regeneration micromicro of the present invention forms multiple enriching and uniform color; This device also can be used for the continuous dyeing of natural leather.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of dyeing apparatus of the present invention;
Fig. 2 is the another kind of structural representation of dyeing apparatus of the present invention.
In figure: 1-1 to 1-3, dyeing container; 2-1 to 2-2, fixation container; 3, for the container of feel modification; 4, cloth drying machine; 11, electrothermal heater; 12, ultrasonic vibration box; 13, brush roll; 14, pressure roller; 15, fabric guide roll; 101-1 to 101-2, upper fabric guide roll; 102-1 to 102-2, lower fabric guide roll.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing, the specific embodiment of the present invention is described further.Following examples only for technical scheme of the present invention is clearly described, and can not limit the scope of the invention with this.
Embodiment 1
The present invention relates to a kind of Collagenous fiber bonded leather dyeing, comprise the following steps:
(1) dyeing process:
(1-1) dye: the first dyeing bath that Collagenous fiber bonded leather base is being placed in ultrasonic sound field is dyeed 0.5 ~ 5 minute, wherein, first dyeing bath contains in coloring agent, dye penetrant and tannic acid, stain concentration is 0.1 ~ 12%, be 3 ~ 5 by ammoniacal liquor adjust ph, bath temperature is 30 ~ 98 DEG C, and ultrasonic power is 1000 ~ 2000W; Then, the loose colour on skin base surface is brushed away with the hairbrush of brush roll; Finally extruding content liquid in skin base to skin base is again 30 ~ 55%, and the liquid wherein squeezed out returns in the first dyeing bath;
(1-2) two dyes: the second dyeing bath that after a dye, Collagenous fiber bonded leather base is being placed in ultrasonic sound field is dyeed 0.5 ~ 5 minute, wherein, second dyeing bath contains coloring agent, dye penetrant and tannic acid, stain concentration is 0.1 ~ 12%, be 3 ~ 5 by ammoniacal liquor adjust ph, bath temperature is 30 ~ 98 DEG C, and ultrasonic power is 300 ~ 1000W; Then, the loose colour on skin base surface is brushed away with the hairbrush of brush roll; Finally extruding content liquid in skin base to skin base is again 30 ~ 55%, and the liquid wherein squeezed out returns in the second dyeing bath;
(2) fixation treatment: the Collagenous fiber bonded leather base after dyeing process is being placed in the first fixation body lotion fixation 0.5 ~ 5 minute of ultrasonic sound field, wherein, first fixation body lotion contains coloring agent, dye penetrant, tannic acid and Cationic fixing agents, stain concentration is 0.1 ~ 12%, be 3 ~ 5 by ammoniacal liquor adjust ph, bath temperature is 30 ~ 98 DEG C, and ultrasonic power is 300 ~ 2000W; Then, the loose colour on skin base surface is brushed away with the hairbrush of brush roll; Finally extruding content liquid in moisture to skin base is 30 ~ 55%, and the liquid wherein squeezed out returns the first fixation body lotion;
(3) feel modification: the body lotion containing grease and Feel Modifzers that Collagenous fiber bonded leather base after fixation treatment is being placed in ultrasonic sound field is flooded 0.5 ~ 5 minute, wherein the ultrasonic power of body lotion is 300 ~ 2000W, and grease is mineral oil and/or lanolin; Then, brush away the loose colour on skin base surface with the hairbrush of brush roll, finally extruding content liquid in skin base to skin base is again 30 ~ 55%, and the liquid wherein squeezed out returns in corresponding body lotion;
(4) dry process: subsequent handling routinely carries out drying process.
The invention still further relates to a kind of dyeing apparatus, this device can be used in the dyeing of above-mentioned Collagenous fiber bonded leather.As shown in Figure 1, this device comprises along walking the dyeing container 1-1 that the first dyeing bath is housed that cloth direction sets gradually, for receiving the material-receiving device 1-1 ' of the first dyeing bath squeezed out in grey cloth, the dyeing container 1-2 of the second dyeing bath is housed, for receiving the material-receiving device 1-2 ' of the second dyeing bath squeezed out in grey cloth, the fixation container 2-1 of the first fixation body lotion is housed, for receiving the material-receiving device 2-1 ' of the first fixation body lotion squeezed out in grey cloth, for the container 3 of feel modification, for receiving material-receiving device 3 ' and a cloth drying machine 4 of the feel modification body lotion squeezed out in grey cloth.Wherein material-receiving device 1-1 ' is connected with dyeing container 1-1, and material-receiving device 1-2 ' is connected with dyeing container 1-2, and material-receiving device 2-1 ' is connected with fixation container 2-1, and material-receiving device 3 ' is connected with container 3.
Dyeing container 1-1,1-2, fixation container 2-1 and these four containers of container 3 for feel modification are all equipped with body lotion, two rows totally three fabric guide rolls are also respectively installed, are positioned at upper fabric guide roll 101-1,101-2 and the lower fabric guide roll 102-1 be positioned at below body lotion liquid level of body lotion ullage comprising two; Wherein, for each container, be upper fabric guide roll 101-1,101-2 along first fabric guide roll and last fabric guide roll walking cloth direction and exceed the upper surface of corresponding container, second fabric guide roll that cloth direction is walked on edge is lower fabric guide roll 102-1.All be provided with a brush roll 13 between lower fabric guide roll 102-1 and upper fabric guide roll 101-2, brush roll 13 is positioned at body lotion ullage, for brushing away skin base or design on fabric surface loose colour after dyeing, fixation or feel modification.
Electrothermal heater 11 and some ultrasonic vibration boxes 12 is respectively provided with in these four containers.Wherein electric heater 11 is positioned at bottom and/or the surrounding of four containers.Ultrasonic vibration box 12 is arranged on the vicinity of lower fabric guide roll 102-1 and parallel with lower fabric guide roll 102-1.Each ultrasonic vibration box 12 connects with supersonic generator (not shown) by connecting wire, and the ultrasonic power in each container is 300 ~ 2000W; And along walking cloth direction, the total ultrasonic power in four containers arranges and declines successively.
Be provided with fabric guide roll 15 and pressure roller 14 in material-receiving device 1-1 ', 1-2 ', 2-1 ', 3 ', and fabric guide roll 15 and pressure roller 14 are disposed adjacent.The gap of fabric guide roll 15 and pressure roller 14 holds skin base and passes therethrough, the liquid after removing for loose colour in extruding skin base.Skin base is through the extruding between fabric guide roll 15 and pressure roller 14, and fluid drips contained by it is fallen in corresponding material-receiving device 1-1 ', 1-2 ', 2-1 ', 3 ', finally returns separately and is attached thereto logical corresponding container.
Embodiment 2
The present invention relates to a kind of Collagenous fiber bonded leather dyeing, comprise the following steps:
(1) dyeing process:
(1-1) dye: the first dyeing bath that Collagenous fiber bonded leather base is being placed in ultrasonic sound field is dyeed 0.5 ~ 5 minute, wherein, first dyeing bath contains coloring agent, dye penetrant and tannic acid, stain concentration is 8%, body lotion pH value is regulated to be 3 ~ 5 with ammoniacal liquor, bath temperature is 40 ~ 45 DEG C, and ultrasonic power is 1800W; Then, the loose colour on skin base surface is brushed away with the hairbrush of brush roll; Finally extruding content liquid in skin base to skin base is 30 ~ 55%, and the liquid wherein squeezed out returns the first dyeing bath;
(1-2) two dyes: the second dyeing bath that Collagenous fiber bonded leather base is being placed in ultrasonic sound field is dyeed 0.5 ~ 5 minute, wherein, second dyeing bath contains coloring agent, dye penetrant and tannic acid, stain concentration is 7%, body lotion pH value is regulated to be 6 ~ 8 with ammoniacal liquor, bath temperature is 50 ~ 55 DEG C, and ultrasonic power is 1400W; Then, the loose colour on skin base surface is brushed away with the hairbrush of brush roll; Finally extruding content liquid in skin base to skin base is 30 ~ 55%, and the liquid wherein squeezed out returns the second dyeing bath;
(1-3) three dyes: the 3rd dyeing bath that Collagenous fiber bonded leather base is being placed in ultrasonic sound field is dyeed 0.5 ~ 5 minute, wherein, 3rd dyeing bath contains coloring agent, dye penetrant and tannic acid, stain concentration is 6%, body lotion pH value is regulated to be 3 ~ 5 with ammoniacal liquor, bath temperature is 55 ~ 60 DEG C, and ultrasonic power is 1100W; Then, the loose colour on skin base surface is brushed away with the hairbrush of brush roll; Finally extruding content liquid in skin base to skin base is 30 ~ 55%, and the liquid wherein squeezed out returns the 3rd dyeing bath;
Fixation treatment:
(2-1) one is solid: the Collagenous fiber bonded leather base after dyeing process is being placed in the first fixation body lotion fixation 0.5 ~ 5 minute of ultrasonic sound field, wherein, first fixation body lotion contains coloring agent, dye penetrant, tannic acid and Cationic fixing agents, stain concentration is 5%, bath temperature is 60 ~ 65 DEG C, and ultrasonic power is 900W; Then, the loose colour on skin base surface is brushed away with the hairbrush of brush roll; Finally extruding content liquid in skin base to skin base is 30 ~ 55%, and the liquid wherein squeezed out returns the first fixation body lotion;
(2-2) two is solid: the Collagenous fiber bonded leather base after dyeing process is being placed in the second fixation body lotion fixation 0.5 ~ 5 minute of ultrasonic sound field, wherein the second fixation body lotion contains coloring agent, dye penetrant, tannic acid and Cationic fixing agents, stain concentration is 4%, bath temperature is 70 ~ 75 DEG C, ultrasonic power is 700W, then, the loose colour on skin base surface is brushed away with the hairbrush of brush roll; Finally extruding content liquid in skin base to skin base is 30 ~ 55%, and the liquid wherein squeezed out returns the second fixation body lotion;
(3) feel modification: the body lotion containing grease and Feel Modifzers that Collagenous fiber bonded leather base after fixation treatment is being placed in ultrasonic sound field is flooded 0.5 ~ 5 minute, wherein the ultrasonic power of body lotion is 500W, and grease is mineral oil and/or lanolin; Then, brush away the loose colour on skin base surface with the hairbrush of brush roll, finally extruding content liquid in skin base to skin base is 30 ~ 55%, and the liquid wherein squeezed out returns in corresponding body lotion;
(4) dry process: subsequent handling routinely carries out drying process.
The invention still further relates to a kind of dyeing apparatus, this device can be used in the dyeing of above-mentioned Collagenous fiber bonded leather.As shown in Figure 2, this device comprises along walking three dyeing container 1-1,1-2 that cloth direction sets gradually, 1-3, two fixation container 2-1,2-2, a container 3 for feel modification and cloth drying machines 4.
Dyeing container 1-1,1-2,1-3, fixation container 2-1,2-2 and these six containers of container 3 for feel modification are all equipped with body lotion, each container is also respectively provided with two rows totally four fabric guide rolls, comprises upper fabric guide roll 101-1,101-2 and two lower fabric guide roll 102-1,102-1 be positioned at below body lotion liquid level that two are positioned at body lotion ullage; Wherein, for each container, along walking first fabric guide roll in cloth direction and last fabric guide roll is upper fabric guide roll 101-1,101-2 and exceeds the upper surface of corresponding container, be lower fabric guide roll 102-1,102-2 along second fabric guide roll and the 3rd fabric guide roll walking cloth direction.All be provided with a brush roll 13 between lower fabric guide roll 102-2 and upper fabric guide roll 101-2, brush roll 13 is positioned at body lotion ullage, for brushing away skin base or design on fabric surface loose colour after dyeing, fixation or feel modification.Also be provided with an adjacent with it pressure roller 14 near upper fabric guide roll 101-2, the gap between upper fabric guide roll 101-2 and pressure roller 14 holds skin base and passes therethrough, the liquid after removing for loose colour in extruding skin base.Skin base is through the extruding between upper fabric guide roll 101-2 and pressure roller 14, and contained by it, liquid drippage turns back in corresponding container.
Electrothermal heater 11 and some ultrasonic vibration boxes 12 is respectively provided with in six containers.Wherein electric heater 11 is positioned at bottom and/or the surrounding of six containers.Ultrasonic vibration box 12 is arranged on the vicinity of lower fabric guide roll and parallel with the line direction of two lower fabric guide roll 102-1,102-2.Each ultrasonic vibration box 12 connects with supersonic generator (not shown) by connecting wire, and the ultrasonic power in each container is 300 ~ 2000W; And along walking cloth direction, the total ultrasonic power in six containers arranges and declines successively.
Above-described embodiment is to the preferred embodiment of the present invention.It should be pointed out that for those skilled in the art, under the prerequisite not departing from the technology of the present invention principle, can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (10)
1. a Collagenous fiber bonded leather dyeing, is characterized in that comprising the following steps:
(1) dyeing process: the dyeing bath containing coloring agent that Collagenous fiber bonded leather base is at least placed in ultrasonic sound field at two kinds is dyeed each 0.5 ~ 5 minute, extruding content liquid in skin base to skin base is again 30 ~ 55%, and the liquid wherein squeezed out returns corresponding body lotion system;
(2) fixation treatment: by the skin base after dyeing process at least a kind of fixation body lotion fixation containing coloring agent and color-fixing agent being placed in ultrasonic sound field 0.5 ~ 5 minute, extruding content liquid in skin base to skin base is again 30 ~ 55%, and the liquid wherein squeezed out returns corresponding body lotion system;
(3) feel modification: skin base after fixation treatment is at least flooded 0.5 ~ 5 minute at a kind of body lotion containing grease and Feel Modifzers being placed in ultrasonic sound field, extruding content liquid in skin base to skin base is again 30 ~ 55%, and the liquid wherein squeezed out returns corresponding body lotion system;
(4) dry process: subsequent handling routinely carries out drying process.
2. dyeing as claimed in claim 1, is characterized in that: in described dyeing bath and fixation body lotion, stain concentration is 0.1 ~ 12%; In described dyeing bath, fixation body lotion and feel modification body lotion, ultrasonic power is 300 ~ 2000W, and bath temperature is 30 ~ 98 DEG C.
3. dyeing as claimed in claim 2, is characterized in that: in the dyeing bath that described step (1) and (2) use successively and fixation body lotion, stain concentration reduces successively; In the body lotion of the dyeing bath that described step (1), (2) and (3) use successively, fixation body lotion and feel modification body lotion, hyperacoustic power reduces successively, and bath temperature raises successively.
4. dyeing as claimed in claim 3, it is characterized in that: in described step (1), (2) and (3), Collagenous fiber bonded leather base also needed the loose colour first brushing away skin base surface with hairbrush before water of compaction divides.
5. Collagenous fiber bonded leather dyeing as claimed in claim 4, it is characterized in that: described step (1) dyeing bath and described step (2) fixation body lotion are also mixed with dye penetrant and tannic acid, and regulating the pH value of body lotion to be 3 ~ 5 with ammoniacal liquor, described step (2) color-fixing agent is Cationic fixing agents; Described step (3) grease is mineral oil and/or lanolin.
6. Collagenous fiber bonded leather dyeing as claimed in claim 5, is characterized in that: dyeed through three kinds of dyeing baths successively by Collagenous fiber bonded leather base in described step (1), and floods 0.5 ~ 5 minute in each dyeing bath; In described step (2), Collagenous fiber bonded leather base is carried out fixation through two kinds of fixation body lotions successively, and flood 0.5 ~ 5 minute in each fixation body lotion; In described step (3), Collagenous fiber bonded leather base is carried out feel modification through a kind of body lotion containing grease and Feel Modifzers, and flood 0.5 ~ 5 minute in this body lotion.
7., for a dyeing apparatus for Collagenous fiber bonded leather dyeing described in claim 1 to 6 any one, it is characterized in that it comprises along walking at least two dyeing containers, at least one fixation container, at least one container for feel modification and at least one cloth drying machine that cloth direction sets gradually; Each container has body lotion, and is provided with two row's fabric guide rolls, comprises the upper fabric guide roll being positioned at body lotion ullage and the lower fabric guide roll be positioned at below body lotion liquid level; Each container is also furnished with for dyeing, brush away the device of skin base or design on fabric surface loose colour after fixation or feel modification, and the device of liquid in extruding skin base after removing for loose colour; Also be provided with electrothermal heater and some ultrasonic vibration boxes in each container, the ultrasonic power in each container is 300 ~ 2000W.
8. dyeing apparatus as claimed in claim 7, the device brushing away skin base or design on fabric surface loose colour described in it is characterized in that is a brush roll, and brush roll is positioned at each described container exceeds body lotion liquid level top along last the lower fabric guide roll walking cloth direction; In described extruding skin base or cloth, the device of moisture is pressure roller.
9. dyeing apparatus as claimed in claim 8, is characterized in that described pressure roller is all positioned at described container inside; Or described pressure roller is positioned at described outside of containers, and be provided with below described pressure roller for reclaiming the liquid the material-receiving device communicated with described container that extrude and obtain.
10. the dyeing apparatus as described in claim 7 to 9 any one, is characterized in that this device comprises the container for feel modification described in three described dyeing containers, two described fixation containers and successively; Described ultrasonic vibration box is located near described lower fabric guide roll, connects with supersonic generator by connecting wire; Described electric heater is positioned at bottom and/or the surrounding of described container; Along walking cloth direction, the ultrasonic power in each described container declines gradually.
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| CN201310120148.4A CN103255653B (en) | 2013-04-08 | 2013-04-08 | Dyeing process and dyeing apparatus for collagen fiber regenerated leather |
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| CN201310120148.4A CN103255653B (en) | 2013-04-08 | 2013-04-08 | Dyeing process and dyeing apparatus for collagen fiber regenerated leather |
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| CN103255653B true CN103255653B (en) | 2015-04-15 |
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| ES2842501T5 (en) | 2015-09-21 | 2023-04-13 | Modern Meadow Inc | Fiber Reinforced Fabric Composite Materials |
| US11542374B2 (en) | 2016-02-15 | 2023-01-03 | Modern Meadow, Inc. | Composite biofabricated material |
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| CN107723973A (en) * | 2017-10-09 | 2018-02-23 | 杭州嘉濠印花染整有限公司 | A kind of integrated dyeing and finishing system and its dyeing and finishing method |
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