CN107227628A - The method for going back raw hide is prepared based on collagen fabric fabric combination flocking technique - Google Patents
The method for going back raw hide is prepared based on collagen fabric fabric combination flocking technique Download PDFInfo
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- CN107227628A CN107227628A CN201710530605.5A CN201710530605A CN107227628A CN 107227628 A CN107227628 A CN 107227628A CN 201710530605 A CN201710530605 A CN 201710530605A CN 107227628 A CN107227628 A CN 107227628A
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- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N7/00—Flexible sheet materials not otherwise provided for, e.g. textile threads, filaments, yarns or tow, glued on macromolecular material
- D06N7/0097—Web coated with fibres, e.g. flocked
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0002—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate
- D06N3/0015—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the substrate using fibres of specified chemical or physical nature, e.g. natural silk
- D06N3/0018—Collagen fibres or collagen on fibres
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/007—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by mechanical or physical treatments
- D06N3/0077—Embossing; Pressing of the surface; Tumbling and crumbling; Cracking; Cooling; Heating, e.g. mirror finish
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/12—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins
- D06N3/14—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyurethanes
- D06N3/145—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof with macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, e.g. gelatine proteins with polyurethanes two or more layers of polyurethanes
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06N—WALL, FLOOR, OR LIKE COVERING MATERIALS, e.g. LINOLEUM, OILCLOTH, ARTIFICIAL LEATHER, ROOFING FELT, CONSISTING OF A FIBROUS WEB COATED WITH A LAYER OF MACROMOLECULAR MATERIAL; FLEXIBLE SHEET MATERIAL NOT OTHERWISE PROVIDED FOR
- D06N2211/00—Specially adapted uses
- D06N2211/12—Decorative or sun protection articles
- D06N2211/28—Artificial leather
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Dispersion Chemistry (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
Abstract
The invention discloses a kind of method for being prepared based on collagen fabric fabric combination flocking technique and going back raw hide, specifically including fabric gluing, once hot bakings, second glue spreading, second heat baking, flocking, drying, grind skin step.The present invention is by using a kind of new surface flocking technique, flocking is carried out in the upper and lower surface of this new fabric raw material of collagen fabric fabric, leather further is made with reference to shifting membrane process, the problem of current the type fabric can not realize film forming, prepare leather by existing covering with paint processing technology is solved.It is the brand-new leather and fur products of a class that what the inventive method was prepared, which goes back raw hide, its constitutive material 90% comes from active ingredient --- the collagen fabric in natural leather, and structure design and preparation technology with reference to the preparation process of double-layer fur, with simple in construction, collagen content height（More than 80%）, with good corium（Double-layer fur）Sense organ and effect, the features such as mechanical performance is superior.
Description
Technical field
It is specifically that one kind is based on collagen fabric fabric combination flocking work the present invention relates to a kind of preparation method of leather
Skill prepares the method for going back raw hide, belongs to leather processing technique field.
Background technology
Leather is an indispensable major class production and living articles for use in human lives, is widely used in clothes, household, vapour
Car, the numerous areas such as public service.The source of leather only has the skin of artificial rearing and the animal killed, and mainly has ox-hide,
Sheepskin, the special leather of pigskin and part, such as crocodile skin, snakeskin or even sharkskin etc..It is wild due to the raising of mankind's environmental consciousness
Lively killing for thing is prohibited, and substantially the leather of necessary for human both is from the livestock animals in artificial feeding at present.Although
With the raising of artificial rearing technology, the growth cycle of domestic animal is greatly shortened.But, can not still it meet the mankind growing
Leather demand.On the one hand it is that demand growth of the mankind to leather is too fast, is on the other hand current leather processing industry to leather
Effective rate of utilization it is relatively low.The part that one ox-hide can be used effectively can only account for 60% or so of whole ox-hide, remaining part
Just it is wasted.Moreover, this available 60% also to there is serious quality uneven, the cutting of different purposes can only be done.This is again
Waste can be further resulted in.
Existing conventional leather processing technology is limited due to factors such as congenital quality, shape, the areas by animal's leather,
The high-quality leather and fur products felt completely close to corium can not be obtained, and using three-dimensional net structure not weaving fabric of superfine fiber as base
This kind of artificial leather product of the Synthetic Leather of cloth, such as superfiber leather, although can have certain sucting wet air permeability, chemically-resistant
Property, waterproof, anti-mildew etc., the fraction demand of high-end leather and fur products can be filled up, but because such synthetic leather is mainly by changing
Learn fiber to synthesize, affinity of its sanitation performance and people etc. still has larger gap with natural fiber.
Re-worked using discarded leather material, extraction collagenous fibres therein and be prepared into the regeneration of collagenous fibres leather-like
Leather, it is possible to resolve the traditional leather industry of restriction such as solid waste discharge amount present in traditional leather processing is big, environmental pollution is serious
The problem of development.In the prior art, CN103233326A discloses a kind of Collagenous fiber bonded leather leather, is by upper strata fibre web and tight
The close lower floor's fibre web for being connected to upper strata fibre web lower surface is constituted, wherein, upper strata fibre web is by collagenous fibres 40-97%, viscose rayon
3-60% is constituted；Lower floor's fibre web is made up of collagenous fibres 92-100%, hot-melt adhesive fiber 0-8%；Such regenerative leather mixes viscose glue
Fibrous raw material, it is possible to decrease cost, but when viscose rayon content is higher, the feel of prepared regenerative leather still exists with corium
Certain gap, and because it is composite bed, the problem of still suffering from adhesion needs to solve, in follow-up compound processing course, such as
Adhesion is not good, can still influence the quality of final leather and fur products；CN 103233325A then disclose a kind of regenerated collagen fiber
Skin, it is that with collagenous fibres 85-99%, hot-melt adhesive fiber 1-15% is raw material, by solve fibre, shredding, mix shredding, lapping,
Solid, heat treatment, trimming, winding and packaging and other steps are pierced to prepare；CN 103231576B are the methods that make use of heat pressure adhesive, system
Standby corium fabric regenerative leather；CN 203174410U, CN201785643U etc. are then disclosed using corium fabric base fabric as bottom,
The regenerative leather being bonded with coating；Such use base fabric and the method for coating hot-pressing, compound/bonding prepare regenerative leather,
Interfacial bonding strength and material layer self-strength are the key factors for influenceing product quality quality to have to take into account that, and its is processed
Journey is complex.
Present inventor is used as raw material, extraction collagen therein to the wet blue leather leftover bits and pieces of leather processing procedure
Regeneration of the fiber to realize resource has carried out the research of correlation, and achieves certain achievement, on extracting under wet blue leather
The method of collagen fabric in heel is applied for a patent and obtains granted patent number：ZL201510228478.4, patent name：
One kind can direct spinning collagenous fibres and corium fabric leather prepared therefrom.The collagen obtained using the patented technology is fine
Dimension（Collagenous fibres）Needing not move through graft modification or being combined directly can carry out spinning using existing spinning technique, using the patent
The collagenous fibres that technology is prepared carry out spinning, weave into base fabric, and the corium fabric leather that reprocessing is formed has tensile strength
High, wear-resisting, soft, moisture absorption, easily oil suction, the good advantage of dye, fire resistance, are particularly suitable for the production of high-end leather and fur products.
In actual production process, collagen fabric fabric due to adopting more made from such collagen fabric raw material
Obtained with longitude and latitude weaving method, the fabric for the structure that is interweaved according to warp and weft, its flatness is also not enough to directly pass through
Film forming is covered with paint, lacquer, colour wash, etc., and uses existing Coating technology or finishing agent can not also realize the intact film forming of such fabric raw material, is constrained
The development of such raw material and leather industry.
The content of the invention
For above-mentioned the deficiencies in the prior art, collagen fabric fabric knot is based on it is an object of the invention to provide one kind
Close flocking technique and prepare the method for going back raw hide, by using a kind of new surface flocking technique, collagen fabric fabric this
Plant new fabric raw material upper and lower surface and carry out flocking, leather further is made with reference to shifting membrane process, current the type is solved
Fabric can not by it is existing covering with paint processing technology prepare leather the problem of.
The object of the invention also reside in provide that a kind of above method prepares go back raw hide, the reduction leatherware has good
Corium（Double-layer fur）Sense organ and effect, the features such as mechanical performance is superior.
Technical scheme is as follows：A kind of prepared based on collagen fabric fabric combination flocking technique goes back raw hide
Method, using electrostatic flocking technology process, including fabric gluing, once hot baking, second glue spreading, second heat baking, flocking, drying,
Skin step is ground, it is specific as follows：
（1）Fabric gluing：Collagen fabric fabric is selected, using roll coating process, by Trace speed 1-5m/min, rubberization thickness
0.05-1mm, fabric gluing is carried out with adhesive；
（2）Once heat is dried：With Trace speed 1-5m/min, the fabric after gluing is sent into hot-air channel, in 40-90 DEG C of temperature,
Heat dries 0.5-5min；
（3）Second glue spreading：Using roll coating process, Trace speed 1-5m/min, rubberization thickness 0.05-1mm, with adhesive pair are controlled
Fabric after once heat is dried carries out second glue spreading；
（4）Second heat dries：With Trace speed 1-5m/min, the fabric feeding hot-air channel after second glue spreading is subjected to hot baking, heat
Dry 40-120 DEG C of temperature, hot baking time 0.5-5min；
（5）Flocking：With Trace speed 1-5m/min, the fabric after second heat is dried carries out electrostatic spinning, and fine hair is by electrostatic
The film surface of the fabric after second glue spreading is adsorbed after reason, the fabric after flocking is obtained；
（6）Drying：With Trace speed 1-5m/min, by the fabric feeding hot-air channel drying after flocking, drying temperature gradient point
Cloth is：60-90 DEG C, 1-3min；90-120 DEG C, 1-3min；110-140 DEG C, 1-3min；130-160 DEG C, 1-2min；140-180
DEG C, 1-2min；
（7）Grind skin：Drying terminates, and with 80-300 mesh sand paper polishing 10-120min, obtains the smooth reduction surface of surface compact
Material；
Wherein, the collagen fabric fabric be using described in patent ZL201510228478.4 can direct spinning collagen
The preparation method of fiber, by raw material of wet blue leather by shearing, ultrasound pretreatment, rotary drum processing, liquid solution fine, fiber drying,
Collagenous fibres are made in shredding removal of impurities, combing, Fiber strength step, are then again spun into collagenous fibres using spinning process
Yarn, weaving are made.
Further, the epithelium with specific decorative pattern style can be bonded in by above-mentioned steps by the conventional membrane process that moves（7）
The reduction leather shell material surface of acquisition, obtain that surface has a specific decorative pattern style goes back raw hide.
It is preferred that, adhesive used in the fabric glue application step is single-component water-based polyurethane adhesive or the poly- ammonia of solvent-borne type
Ester gum stick, its solid content is 20-50%, and viscosity is 150-5000cps.
It is preferred that, adhesive used in the second glue spreading step is double-component waterborne polyurethane adhesive or the poly- ammonia of solvent-borne type
Ester gum stick, its solid content is 20-50%, and viscosity is 200-5000cps.
Double-component waterborne polyurethane adhesive of the present invention, solvent borne polyurethane adhesive, single-component water-based poly- ammonia
Ester gum stick, solvent borne polyurethane adhesive can use commercially available adhesive products.
Because the surface nature and synthetic fibers of collagen are entirely different, therefore when implementing technical solution of the present invention,
Fine hair should select the materials such as true hair or surface nature from animal body surface more hydrophilic nylon relatively to prepare as far as possible
Man-made hair.
It is preferred that, the fine hair is one in the rabbit hair, wool, goose feather, drake feather, ox-hide fine hair, sheepskin fine hair, pigskin fine hair
Plant or several.
It is preferred that, the man-made hair is synthetic fibers class, such as nylon 6, nylon66 fiber, nylon 11.
Having the beneficial effect that relative to prior art of the invention：
（1）The inventive method is by fabric upper and lower surface while flocking technique, skin is formed in fabric upper surface by moving membrane process
The texture and style on surface are removed from office, existing finishing agent and covering with paint can not be used by solving the existing fabric with collagen fabric raw material
The problem of technique realizes film forming, the processing for such new fibrous raw material leather provides new thinking；
（2）The present invention is using collagen fabric fabric as flocking object, the characteristics of due to the type fabric itself so as to this
The requirement of type fabric flocking is not only to provide for apparent decorative effect, it is often more important that to be fabric surface epithelium
It is compound that a substrate surface for being sufficient for requiring is provided, therefore, when preparing leather fabric with the fabric of this type, to flocking
Intensity requirement it is higher, and conventional water-and acrylate emulsion glue can not provide enough flocking intensity；The present invention by
Fabric processing procedure before flocking（Fabric gluing）Single-component water-based polyurethane adhesive or solvent borne polyurethane glue are used in advance
Stick carries out pre-treatment, then is used for flocking using bi-component waterborne urethane adhesive or solvent type polyurethane adhesive, can make
It is initially formed and carries out flocking again with some strength, the substrate for meeting fabric and epithelium composite demand, can have both obtained with certain
The base fabric of intensity, can obtain good flocking intensity again, flocking effect and surface smoothness attractive in appearance can also be obtained, after being
Surface epithelium is compound to by the phase using shifting membrane process prepares the strong condition of high-quality reducing leather offer on fabric；
（3）It is the brand-new leather and fur products of a class that raw hide is gone back made from the inventive method, and its constitutive material 90% comes from natural leather
In active ingredient --- collagen fabric, and structure design and preparation technology with reference to the preparation process of double-layer fur, tool
Have simple in construction, collagen content is high（More than 80%）, with good corium（Double-layer fur）Sense organ and effect, mechanicalness
Can be superior the features such as.
Embodiment
The present invention is described in further details below by embodiment, these embodiments are only used for illustrating the present invention, and
Do not limit the scope of the invention.
Embodiment 1 realizes the preparation of the present invention for going back raw hide using following steps：
1st, the preparation of collagen fabric fabric：Using described in patent ZL201510228478.4 embodiments 2 can direct spinning
With the preparation method of collagenous fibres, by raw material of wet blue leather by shearing, ultrasound pretreatment, rotary drum are handled, liquid solution is fine, fiber
Collagenous fibres are made in drying, shredding removal of impurities, combing, Fiber strength step, comprise the following steps that：
（1）Shearing：Using wet blue leather as raw material, the size of production or equipment requirement is cut into leather cutter；
（2）Ultrasound pretreatment：The polar solvent pretreatment fluid rich in hydroxyl is prepared, regulation pH is 7, is warming up to 45 DEG C, will cut
Good wet blue leather is totally submerged to be soaked 24 hours in pretreatment fluid, pretreatment fluid then is warming up into 50 DEG C, regulation pH arrives for 7.5
8, then soak 2 hours, ultrasonic low frequency is carried out under Current Temperatures and is vibrated in short-term, the Ultrasonic Conditions used for：Frequency
20kHz, power 200W, ultrasonic time 20 minutes；Pretreatment fluid is the sodium hydroxide solution and mass concentration by mass concentration 2%
75% polyglycol solution is according to volume ratio 1:1 is mixed to prepare；
（3）Rotary drum processing：Ultrasound pretreatment terminates, and filters off pretreatment fluid, and pretreated wet blue leather is handled into work using rotary drum
Skill, rotates rotary drum in aqueous environment first, and rotary drum rotating speed is 15 revs/min, and the time is 5 minutes, then stops rotary drum, is discharged
Liquid, then adds water into rotary drum again, and gradually adds softening agent amino silicon oil emulsion in aqueous environment, slow to rotate
After rotary drum mixing fully, the processing that eases back is carried out followed by rotary drum is rotated, rotary drum rotating speed is 10 revs/min, and temperature is 25 DEG C, time
For 3 hours；
（4）Liquid solution is fine, fiber drying：Liquid solution is fine, fiber drying：By by rotary drum handle, preliminary shredding ease back it is blue wet
Leather is transferred to liquid fiber uncoiling machine, and the centrifugal force produced by hydraulic mixing separates collagenous fibres in textile fabric form；So
The collagenous fibres separated from liquid fiber uncoiling machine are dried in baking interior by dryer afterwards, furnace drying method is used and taken out
The mode that wind and air intake are combined, will dry by air inlet mode that its is defeated again after indoor humid air extraction is dried using exhausting
Send as dried interior, so circulation is dried, until the moisture 30% of fiber, uses drying temperature for 75 DEG C；
（5）Fiber after drying is subjected to shredding using opening, opening process is in a diameter of Φ 380mm of plucker roller, to turn
Speed eliminates the impurity beyond fiber to carry out shredding processing under 600rpm parameter, obtains bunchy collagenous fibres；Pass through again
Carding machine, the design parameter bundles of collagenous fibres being combed on the collagenous fibres of single fiber state, carding machine is that temperature is
27 DEG C, humidity be 75%, to go out net spee be 3.5m/min；
（6）Fiber strength：By step（5）The collagenous fibres of acquisition are placed in impulse electric field carry out table under nitrogen protective condition
Face is handled, and treatment conditions are：Pulse frequency 25Hz, electric-field intensity are 20kV/cm, processing time 10s, obtain collagenous fibres；
（7）Fabric is weaved：Using RING SPINNING spinning process spun yarn, woven base fabric, collagen fabric fabric is made；
2nd, flocking：
（1）Fabric gluing：Using roll coating process, by Trace speed 3m/min, rubberization thickness 0.05mm, with solid content 30-35%,
Viscosity carries out fabric for 1000-1100cps one-component solvent borne polyurethane adhesive to collagen fabric made from step 1
Gluing；
（2）Once heat is dried：With Trace speed 1m/min, the fabric after gluing is sent into hot-air channel, in temperature 50 C, heat is dried
5min；
（3）Second glue spreading：Using roll coating process, Trace speed 3m/min, rubberization thickness 1mm are controlled, with solid content 40-45%, is glued
Fabric after the two-component solvent borne polyurethane adhesive spent for 2000-2500cps dries to once heat carries out second glue spreading；
（4）Second heat dries：With Trace speed 3m/min, the fabric feeding hot-air channel after second glue spreading is subjected to hot baking, heat is dried
95 DEG C of temperature, hot baking time 3min；
（5）Flocking：With Trace speed 3m/min, the fabric after second heat is dried carries out electrostatic spinning, and fine hair passes through Electrostatic Treatment
The film surface of the fabric after second glue spreading is adsorbed afterwards, obtains the fabric after flocking；The fine hair used is 50% goose feather, 50% duck
Hair；
（6）Drying：With Trace speed 1m/min, by the fabric feeding hot-air channel drying after flocking, the distribution of drying temperature gradient
For：60-65 DEG C, 3min；90-95 DEG C, 2.5min；110-115 DEG C, 2min；130-135 DEG C, 1.5min；140-145 DEG C,
1min；
（7）Grind skin：Drying terminates, and with 200 mesh sand paper polishing 60min, obtains the smooth reduction leather shell material of surface compact.
After tested, reduction leather shell material manufactured in the present embodiment, its performance prepares as follows：The N of bursting strength 198.5, warp-wise is torn
Split strong 17.5 degree, broadwise tear strong 49.3 N, warp-wise tensile strength 9.3MPa, elongation：60.4%；Broadwise tensile strength
18.6MPa, elongation：38.2%.
Embodiment 2 realizes the preparation of the present invention for going back raw hide using following steps：
1st, the preparation of collagen fabric fabric：Using described in patent ZL201510228478.4 embodiments 3 can direct spinning
With the preparation method of collagenous fibres, by raw material of wet blue leather by shearing, ultrasound pretreatment, rotary drum are handled, liquid solution is fine, fiber
Collagenous fibres are made in drying, shredding removal of impurities, combing, Fiber strength step, comprise the following steps that：
（1）Shearing：Using wet blue leather as raw material, the size of production or equipment requirement is cut into leather cutter, wet blue leather is former
2 ~ 5 minutes, drying to moisture content 60 ~ 80% in material immersion pond；
（2）Ultrasound pretreatment：Pretreatment fluid is prepared, regulation pH is 7, is warming up to 50 DEG C, wet blue leather is totally submerged in pretreatment
Immersion is steeped 12 hours, pretreatment fluid then is warming up into 55 DEG C, regulation pH is 7.5, then is soaked 1.5 hours, under Current Temperatures
Ultrasonic low frequency is carried out to vibrate in short-term, the Ultrasonic Conditions used for：Frequency 40kHz, power 600W, ultrasonic time 10 minutes；
Pretreatment fluid is by the sodium hydroxide solution of mass concentration 10% and the isopropanol of mass concentration 45% and mixed with propylene glycol solution（It is different
Propyl alcohol is 2 with propane diols volume ratio:3）According to volume ratio 1:5 are mixed to prepare；
（3）Rotary drum processing：Ultrasound pretreatment terminates, and filters off pretreatment fluid, and pretreated wet blue leather is handled into work using rotary drum
Skill, rotates rotary drum in aqueous environment first, and rotary drum rotating speed is 8 revs/min, and the time is 5 minutes, then stops rotary drum, is discharged
Liquid, then adds water into rotary drum again, and gradually adds softening agent amino silicon oil emulsion in aqueous environment, slow to rotate
After rotary drum mixing fully, the processing that eases back is carried out followed by rotary drum is rotated, rotary drum rotating speed is 8 revs/min, and temperature is 25 DEG C, time
For 4 hours；
（4）Liquid solution is fine, fiber drying：Liquid solution is fine, fiber drying：By by rotary drum handle, preliminary shredding ease back it is blue wet
Leather is transferred to liquid fiber uncoiling machine, and the centrifugal force produced by hydraulic mixing separates collagenous fibres in textile fabric form；So
The collagenous fibres separated from liquid fiber uncoiling machine are dried in baking interior by dryer afterwards, furnace drying method is used and taken out
The mode that wind and air intake are combined, will dry by air inlet mode that its is defeated again after indoor humid air extraction is dried using exhausting
Send as dried interior, so circulation is dried, until the moisture 35% of fiber, uses drying temperature for 70 DEG C；
（5）Fiber after drying is subjected to shredding using opening, opening process is in a diameter of Φ 380mm of plucker roller, to turn
Speed eliminates the impurity beyond fiber to carry out shredding processing under 600rpm parameter, obtains bunchy collagenous fibres；Pass through again
Carding machine, the design parameter bundles of collagenous fibres being combed on the collagenous fibres of single fiber state, carding machine is that temperature is
27 DEG C, humidity be 70%, to go out net spee be 3.5m/min；
（6）Fiber strength：By step（5）The collagenous fibres of acquisition are placed in impulse electric field carry out table under nitrogen protective condition
Face is handled, and treatment conditions are：Pulse frequency 30Hz, electric-field intensity are 20kV/cm, processing time 3s, obtain collagenous fibres；
（7）Fabric is weaved：Using RING SPINNING spinning process spun yarn, woven base fabric, collagen fabric fabric is made；
2nd, flocking：
（1）Fabric gluing：Using roll coating process, by Trace speed 4m/min, rubberization thickness 0.05-1mm, with solid content 20-
25%, viscosity carries out fabric painting for 850cps single-component water-based polyurethane adhesive to collagen fabric made from step 1
Glue；
（2）Once heat is dried：With Trace speed 2m/min, the fabric after gluing is sent into hot-air channel, in temperature 60 C, heat is dried
3min；
（3）Second glue spreading：Using roll coating process, Trace speed 4m/min, rubberization thickness 1mm are controlled, with solid content 45-50%, is glued
Fabric after the double-component waterborne polyurethane adhesive spent for 2600-3200cps dries to once heat carries out second glue spreading；
（4）Second heat dries：With Trace speed 5m/min, the fabric feeding hot-air channel after second glue spreading is subjected to hot baking, heat is dried
80 DEG C of temperature, hot baking time 5min；
（5）Flocking：With Trace speed 2m/min, the fabric after second heat is dried carries out electrostatic spinning, and fine hair passes through Electrostatic Treatment
The film surface of the fabric after second glue spreading is adsorbed afterwards, obtains the fabric after flocking；The wool of fine hair 95.5% that is used, 4.5% sheep
Skin fine hair；
（6）Drying：With Trace speed 5m/min, by the fabric feeding hot-air channel drying after flocking, the distribution of drying temperature gradient
For：70-80 DEG C, 2min；95-102 DEG C, 2min；115-122 DEG C, 2min；135-140 DEG C, 1min；145-155 DEG C, 1min；
（7）Grind skin：Drying terminates, and with 100 mesh sand paper polishing 45min, obtains the smooth reduction leather shell material of surface compact.
Embodiment 3 realizes the preparation of the present invention for going back raw hide using following steps：
1st, the preparation of collagen fabric fabric：Using described in patent ZL201510228478.4 embodiments 4 can direct spinning
With the preparation method of collagenous fibres, by raw material of wet blue leather by shearing, ultrasound pretreatment, rotary drum are handled, liquid solution is fine, fiber
Drying, shredding removal of impurities, combing, Fiber strength step are made collagenous fibres and comprised the following steps that：
（1）Shearing：Using wet blue leather as raw material, the size of production or equipment requirement is cut into leather cutter；
（2）Ultrasound pretreatment：Pretreatment fluid is prepared, regulation pH is 7.5, heats up 40 DEG C, the wet blue leather cut is totally submerged
Soaked 20 hours in pretreatment fluid, pretreatment fluid is then warming up to 60 DEG C, regulation pH is 7.5, then is soaked 1 hour, current
At a temperature of carry out ultrasonic low frequency and vibrate in short-term, the Ultrasonic Conditions used for：Frequency 50kHz, power 400W, ultrasonic time 15
Minute；Pretreatment fluid is according to volume by the sodium hydroxide solution of mass concentration 5% and the polyglycol solution of mass concentration 50%
Than 1:3 are mixed to prepare；
（3）Rotary drum processing：Ultrasound pretreatment terminates, and filters off pretreatment fluid, and pretreated wet blue leather is handled into work using rotary drum
Skill, rotates rotary drum in aqueous environment first, and rotary drum rotating speed is 10 revs/min, and the time is 5 minutes, then stops rotary drum, is discharged
Liquid, then adds water into rotary drum again, and gradually adds softening agent ternary polymerization silicone oil emulsion in aqueous environment, slowly
Rotate after rotary drum mixing fully, carry out the processing that eases back followed by rotary drum is rotated, rotary drum rotating speed is 10 revs/min, and temperature is 25 DEG C,
Time is 3.5 hours；
（4）Liquid solution is fine, fiber drying：It will handle, the wet blue leather that preliminary shredding eases back is transferred to liquid fiber uncoiling machine, lead to by rotary drum
The centrifugal force of hydraulic mixing generation is crossed, collagenous fibres are separated in textile fabric form；Then will be from liquid by dryer
The collagenous fibres separated on body fiber uncoiling machine are dried in baking interior, and furnace drying method uses the side that exhausting and air intake are combined
Formula, using exhausting will dry indoor humid air extract out dry after be conveyed again by air inlet mode as indoor in dried, so follow
Ring is dried, until the moisture 25% of fiber, uses drying temperature for 80 DEG C；
（5）Shredding removal of impurities, combing：Fiber after drying is subjected to shredding using opening, opening process is, straight in plucker roller
Footpath is to carry out shredding processing under the parameter that Φ 380mm, rotating speed are 600rpm, and eliminates the impurity beyond fiber, obtains bunchy
Collagenous fibres；Again by carding machine, bundles of collagenous fibres are combed into the tool on the collagenous fibres of single fiber state, carding machine
Body parameter is, it is 3.5m/min that temperature, which is 27 DEG C, humidity is 75%, go out net spee；
（6）Fiber strength：By step（5）The collagenous fibres of acquisition are placed in impulse electric field carry out table under nitrogen protective condition
Face is handled, and treatment conditions are：Pulse frequency 20Hz, electric-field intensity are 20kV/cm, processing time 5s, obtain collagenous fibres；
（7）Fabric is weaved：Using RING SPINNING spinning process spun yarn, woven base fabric, collagen fabric fabric is made；
2nd, flocking：
（1）Fabric gluing：Using roll coating process, by Trace speed 5m/min, rubberization thickness 0.05-1mm, with solid content 28.8-
30.5%, viscosity is entered for 3000-3200cps one-component solvent borne polyurethane adhesive to collagen fabric made from step 1
Row fabric gluing；
（2）Once heat is dried：With Trace speed 4m/min, the fabric after gluing is sent into hot-air channel, in 80 DEG C of temperature, heat is dried
3min；
（3）Second glue spreading：Using roll coating process, Trace speed 3m/min, rubberization thickness 1mm are controlled, with solid content 26-29%, is glued
Fabric after the two-component solvent borne polyurethane adhesive spent for 1800-2400cps dries to once heat carries out second glue spreading；
（4）Second heat dries：With Trace speed 3m/min, the fabric feeding hot-air channel after second glue spreading is subjected to hot baking, heat is dried
120 DEG C of temperature, hot baking time 2.5min；
（5）Flocking：With Trace speed 5m/min, the fabric after second heat is dried carries out electrostatic spinning, and fine hair passes through Electrostatic Treatment
The film surface of the fabric after second glue spreading is adsorbed afterwards, obtains the fabric after flocking；The fine hair used is the rabbit hair；
（6）Drying：With Trace speed 2m/min, by the fabric feeding hot-air channel drying after flocking, the distribution of drying temperature gradient
For：82-88 DEG C, 1min；100-108 DEG C, 3min；120-126 DEG C, 2min；140-150 DEG C, 2min；155-170 DEG C,
2min；
（7）Grind skin：Drying terminates, and with 80 mesh sand paper polishing 100min, obtains the smooth reduction leather shell material of surface compact；
（8）Epithelium with specific decorative pattern style is bonded in by step by the conventional membrane process that moves（7）The reduction leather shell material of acquisition
Surface, obtain that surface has a specific decorative pattern style goes back raw hide.
Embodiment 4 realizes the preparation of the present invention for going back raw hide using following steps：
1st, the preparation of collagen fabric fabric：Using described in patent ZL201510228478.4 embodiments 3 can direct spinning
With the preparation method of collagenous fibres, by raw material of wet blue leather by shearing, ultrasound pretreatment, rotary drum are handled, liquid solution is fine, fiber
Collagenous fibres are made in drying, shredding removal of impurities, combing, Fiber strength step, comprise the following steps that：
（1）Shearing：Using wet blue leather as raw material, the size of production or equipment requirement is cut into leather cutter, wet blue leather is former
2 ~ 5 minutes, drying to moisture content 60 ~ 80% in material immersion pond；
（2）Ultrasound pretreatment：Pretreatment fluid is prepared, regulation pH is 7, is warming up to 50 DEG C, wet blue leather is totally submerged in pretreatment
Immersion is steeped 12 hours, pretreatment fluid then is warming up into 55 DEG C, regulation pH is 7.5, then is soaked 1.5 hours, under Current Temperatures
Ultrasonic low frequency is carried out to vibrate in short-term, the Ultrasonic Conditions used for：Frequency 40kHz, power 600W, ultrasonic time 10 minutes；
Pretreatment fluid is by the sodium hydroxide solution of mass concentration 10% and the isopropanol of mass concentration 45% and mixed with propylene glycol solution（It is different
Propyl alcohol is 2 with propane diols volume ratio:3）According to volume ratio 1:5 are mixed to prepare；
（3）Rotary drum processing：Ultrasound pretreatment terminates, and filters off pretreatment fluid, and pretreated wet blue leather is handled into work using rotary drum
Skill, rotates rotary drum in aqueous environment first, and rotary drum rotating speed is 8 revs/min, and the time is 5 minutes, then stops rotary drum, is discharged
Liquid, then adds water into rotary drum again, and gradually adds softening agent amino silicon oil emulsion in aqueous environment, slow to rotate
After rotary drum mixing fully, the processing that eases back is carried out followed by rotary drum is rotated, rotary drum rotating speed is 8 revs/min, and temperature is 25 DEG C, time
For 4 hours；
（4）Liquid solution is fine, fiber drying：Liquid solution is fine, fiber drying：By by rotary drum handle, preliminary shredding ease back it is blue wet
Leather is transferred to liquid fiber uncoiling machine, and the centrifugal force produced by hydraulic mixing separates collagenous fibres in textile fabric form；So
The collagenous fibres separated from liquid fiber uncoiling machine are dried in baking interior by dryer afterwards, furnace drying method is used and taken out
The mode that wind and air intake are combined, will dry by air inlet mode that its is defeated again after indoor humid air extraction is dried using exhausting
Send as dried interior, so circulation is dried, until the moisture 35% of fiber, uses drying temperature for 70 DEG C；
（5）Fiber after drying is subjected to shredding using opening, opening process is in a diameter of Φ 380mm of plucker roller, to turn
Speed eliminates the impurity beyond fiber to carry out shredding processing under 600rpm parameter, obtains bunchy collagenous fibres；Pass through again
Carding machine, the design parameter bundles of collagenous fibres being combed on the collagenous fibres of single fiber state, carding machine is that temperature is
27 DEG C, humidity be 70%, to go out net spee be 3.5m/min；
（6）Fiber strength：By step（5）The collagenous fibres of acquisition are placed in impulse electric field carry out table under nitrogen protective condition
Face is handled, and treatment conditions are：Pulse frequency 30Hz, electric-field intensity are 20kV/cm, processing time 3s, obtain collagenous fibres；
（7）Fabric is weaved：Using RING SPINNING spinning process spun yarn, woven base fabric, collagen fabric fabric is made；
2nd, flocking：
（1）Fabric gluing：Using roll coating process, by Trace speed 2m/min, rubberization thickness 0.05mm, with solid content 40.5%, glue
Spend and fabric gluing is carried out to collagen fabric made from step 1 for 4200cps single-component water-based polyurethane adhesive；
（2）Once heat is dried：With Trace speed 12m/min, the fabric after gluing is sent into hot-air channel, in 75 DEG C of temperature, heat is dried
3min；
（3）Second glue spreading：Using roll coating process, Trace speed 4m/min, rubberization thickness 0.05mm are controlled, with solid content 30-
35%, the fabric after viscosity is dried for 2700-2800cps double-component waterborne polyurethane adhesive to once heat carries out second glue spreading；
（4）Second heat dries：With Trace speed 4m/min, the fabric feeding hot-air channel after second glue spreading is subjected to hot baking, heat is dried
110 DEG C of temperature, hot baking time 5min；
（5）Flocking：With Trace speed 1m/min, the fabric after second heat is dried carries out electrostatic spinning, and fine hair passes through Electrostatic Treatment
The film surface of the fabric after second glue spreading is adsorbed afterwards, obtains the fabric after flocking；The fine hair used is 35% wool, 50% duck
Hair, 15% rabbit hair；
（6）Drying：With Trace speed 3m/min, by the fabric feeding hot-air channel drying after flocking, the distribution of drying temperature gradient
For：85-90 DEG C, 2min；105-120 DEG C, 3min；130-140 DEG C, 2min；150-160 DEG C, 1.5min；170-180 DEG C,
1.5min；
（7）Grind skin：Drying terminates, and with 300 mesh sand paper polishing 30min, obtains the smooth reduction leather shell material of surface compact；
（8）Epithelium with specific decorative pattern style is bonded in by step by the conventional membrane process that moves（7）The reduction leather shell material of acquisition
Surface, obtain that surface has a specific decorative pattern style goes back raw hide.
Claims (7)
1. a kind of prepare the method for going back raw hide based on collagen fabric fabric combination flocking technique, it is characterised in that：Using quiet
Electric flocking technique process, including fabric gluing, once hot bakings, second glue spreading, second heat bakings, flocking, drying, grind skin step, have
Body is as follows：
（1）Fabric gluing：Collagen fabric fabric is selected, using roll coating process, by Trace speed 1-5m/min, rubberization thickness
0.05-1mm, fabric gluing is carried out with adhesive；
（2）Once heat is dried：With Trace speed 1-5m/min, the fabric after gluing is sent into hot-air channel, in 40-90 DEG C of temperature,
Heat dries 0.5-5min；
（3）Second glue spreading：Using roll coating process, Trace speed 1-5m/min, rubberization thickness 0.05-1mm, with adhesive pair are controlled
Fabric after once heat is dried carries out second glue spreading；
（4）Second heat dries：With Trace speed 1-5m/min, the fabric feeding hot-air channel after second glue spreading is subjected to hot baking, heat
Dry 40-120 DEG C of temperature, hot baking time 0.5-5min；
（5）Flocking：With Trace speed 1-5m/min, the fabric after second heat is dried carries out electrostatic spinning, and fine hair is by electrostatic
The film surface of the fabric after second glue spreading is adsorbed after reason, the fabric after flocking is obtained；
（6）Drying：With Trace speed 1-5m/min, by the fabric feeding hot-air channel drying after flocking, drying temperature gradient point
Cloth is：60-90 DEG C, 1-3min；90-120 DEG C, 1-3min；110-140 DEG C, 1-3min；130-160 DEG C, 1-2min；140-180
DEG C, 1-2min；
（7）Grind skin：Drying terminates, and with 80-300 mesh sand paper polishing 10-120min, obtains the smooth reduction surface of surface compact
Material；
Wherein, the collagen fabric fabric be using described in patent ZL201510228478.4 can direct spinning collagen
The preparation method of fiber, by raw material of wet blue leather by shearing, ultrasound pretreatment, rotary drum processing, liquid solution fine, fiber drying,
Collagenous fibres are made in shredding removal of impurities, combing, Fiber strength step, are then again spun into collagenous fibres using spinning process
Yarn, weaving are made.
2. according to the method described in claim 1, it is characterised in that：Also include there be specific decorative pattern by the conventional membrane process that moves
The epithelium of style is bonded in step（7）The reduction leather shell material surface of acquisition, obtain that surface has a specific decorative pattern style goes back raw hide.
3. according to the method described in claim 1, it is characterised in that：The step（1）Adhesive used in fabric gluing is single group
Part water-based polyurethane adhesive or solvent borne polyurethane adhesive, its solid content are 20-50%, and viscosity is 150-5000cps.
4. according to the method described in claim 1, it is characterised in that the step（3）Adhesive used in second glue spreading step is double
Component waterborne polyurethane adhesive or solvent borne polyurethane adhesive, its solid content are 20-50%, and viscosity is 200-5000cps.
5. according to the method described in claim 1, it is characterised in that：The fine hair is the rabbit hair, wool, goose feather, drake feather, ox-hide suede
One or more in hair, sheepskin fine hair, pigskin fine hair.
6. according to the method described in claim 1, it is characterised in that：The fine hair is that man-made hair is synthetic fibers class man-made hair.
7. method according to claim 1 or 5, it is characterised in that：The fine hair is in nylon 6, nylon66 fiber, nylon 11
It is one or more of.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109267349A (en) * | 2018-09-06 | 2019-01-25 | 江苏阳光股份有限公司 | A kind of fire retardant treatment process of over coating overcoat fabric |
| CN112323232A (en) * | 2020-10-26 | 2021-02-05 | 王光彪 | Double-faced flocked fabric bra and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001191434A (en) * | 2000-01-12 | 2001-07-17 | Denki Kagaku Kogyo Kk | Flocked product |
| CN103660402A (en) * | 2013-08-27 | 2014-03-26 | 山东领潮新材料有限公司 | Electrostatic flocking fabric made of alginate fibers and preparation method of electrostatic flocking fabric |
| CN104894695A (en) * | 2015-05-07 | 2015-09-09 | 浙江纺可新纤维科技有限公司 | Collagen fiber capable of being directly used for spinning and dermal fiber leather prepared by the same |
| CN106042489A (en) * | 2016-06-13 | 2016-10-26 | 山东领潮新材料有限公司 | Method for manufacturing decorative direct adhesion composite wall cloth |
-
2017
- 2017-07-03 CN CN201710530605.5A patent/CN107227628A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001191434A (en) * | 2000-01-12 | 2001-07-17 | Denki Kagaku Kogyo Kk | Flocked product |
| CN103660402A (en) * | 2013-08-27 | 2014-03-26 | 山东领潮新材料有限公司 | Electrostatic flocking fabric made of alginate fibers and preparation method of electrostatic flocking fabric |
| CN104894695A (en) * | 2015-05-07 | 2015-09-09 | 浙江纺可新纤维科技有限公司 | Collagen fiber capable of being directly used for spinning and dermal fiber leather prepared by the same |
| CN106042489A (en) * | 2016-06-13 | 2016-10-26 | 山东领潮新材料有限公司 | Method for manufacturing decorative direct adhesion composite wall cloth |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109267349A (en) * | 2018-09-06 | 2019-01-25 | 江苏阳光股份有限公司 | A kind of fire retardant treatment process of over coating overcoat fabric |
| CN112323232A (en) * | 2020-10-26 | 2021-02-05 | 王光彪 | Double-faced flocked fabric bra and preparation method thereof |
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