CN109609709A - A kind of production method of aqueous coating sofa artificial leather - Google Patents
A kind of production method of aqueous coating sofa artificial leather Download PDFInfo
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- CN109609709A CN109609709A CN201811552193.6A CN201811552193A CN109609709A CN 109609709 A CN109609709 A CN 109609709A CN 201811552193 A CN201811552193 A CN 201811552193A CN 109609709 A CN109609709 A CN 109609709A
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- aqueous coating
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- C—CHEMISTRY; METALLURGY
- C14—SKINS; HIDES; PELTS; LEATHER
- C14C—CHEMICAL TREATMENT OF HIDES, SKINS OR LEATHER, e.g. TANNING, IMPREGNATING, FINISHING; APPARATUS THEREFOR; COMPOSITIONS FOR TANNING
- C14C11/00—Surface finishing of leather
- C14C11/003—Surface finishing of leather using macromolecular compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/05—Stirrers
- B01F27/11—Stirrers characterised by the configuration of the stirrers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/05—Stirrers
- B01F27/11—Stirrers characterised by the configuration of the stirrers
- B01F27/17—Stirrers with additional elements mounted on the stirrer, for purposes other than mixing
- B01F27/171—Stirrers with additional elements mounted on the stirrer, for purposes other than mixing for disintegrating, e.g. for milling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/05—Stirrers
- B01F27/11—Stirrers characterised by the configuration of the stirrers
- B01F27/19—Stirrers with two or more mixing elements mounted in sequence on the same axis
- B01F27/192—Stirrers with two or more mixing elements mounted in sequence on the same axis with dissimilar elements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
- B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/80—Mixing plants; Combinations of mixers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F33/00—Other mixers; Mixing plants; Combinations of mixers
- B01F33/80—Mixing plants; Combinations of mixers
- B01F33/83—Mixing plants specially adapted for mixing in combination with disintegrating operations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/30—Driving arrangements; Transmissions; Couplings; Brakes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F35/00—Accessories for mixers; Auxiliary operations or auxiliary devices; Parts or details of general application
- B01F35/71—Feed mechanisms
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/16—Antifouling paints; Underwater paints
- C09D5/1656—Antifouling paints; Underwater paints characterised by the film-forming substance
- C09D5/1662—Synthetic film-forming substance
-
- C—CHEMISTRY; METALLURGY
- C14—SKINS; HIDES; PELTS; LEATHER
- C14B—MECHANICAL TREATMENT OR PROCESSING OF SKINS, HIDES OR LEATHER IN GENERAL; PELT-SHEARING MACHINES; INTESTINE-SPLITTING MACHINES
- C14B1/00—Manufacture of leather; Machines or devices therefor
- C14B1/44—Mechanical treatment of leather surfaces
- C14B1/56—Ornamenting, producing designs, embossing
-
- C—CHEMISTRY; METALLURGY
- C14—SKINS; HIDES; PELTS; LEATHER
- C14C—CHEMICAL TREATMENT OF HIDES, SKINS OR LEATHER, e.g. TANNING, IMPREGNATING, FINISHING; APPARATUS THEREFOR; COMPOSITIONS FOR TANNING
- C14C11/00—Surface finishing of leather
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- General Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Treatment And Processing Of Natural Fur Or Leather (AREA)
Abstract
The present invention provides a kind of production methods of aqueous coating sofa artificial leather.It is too simple that it solves the step of existing processing technology, can not make it have preferable anti-scratch performance, the technical problems such as using effect difference.The production method of this aqueous coating sofa artificial leather includes the following steps: a, outsourcing；B, ingredient；C, bottom is made；D, middle layer is made；E, surface layer is made；F, it is embossed.The present invention has the advantages that using effect is good.
Description
Technical field
The invention belongs to sofa artificial leather technical fields, are related to a kind of production method of aqueous coating sofa artificial leather.
Background technique
Leather is to be lost hair or feathers and the physics such as tanning, chemical process is obtained has been denaturalized not perishable Animal Skin, is moved
All there are many problems when not having top finishing in object skin, such as pore is coarse, surface is concave-convex, has scar, to turn it into
The leather having use value is applied it is necessary to which it is beautified with various technologies with pigment paste, dyestuff, film forming agent
Decorations, and covering with paint, lacquer, colour wash, etc. in leather production is a very important workshop section, can significantly improve the quality and grade of finished leather, increase leather
Kind and commercial value are last one of lifelines in tanning production.
Through retrieving, as Chinese patent literature disclose a kind of cow leather processing technology [application number:
201710905037.2；Publication number: CN 107858458A].The processing technology of this cow leather, which is characterized in that including with
Lower step: 1) it cleans: fresh ox-hide being cleaned up, subcutaneous meat is rejected, is impregnated with salt water, taking-up is dried, and salt ox-hide is obtained, standby
With；2) degreasing: salt ox-hide is washed with water, and filtering is added in the degreasing pond equipped with degreasing agent and carries out ungrease treatment；It is described de-
Rouge agent includes following raw material: defatting enzyme, polyvinylpyrrolidone, Tween-80, water；3) lose hair or feathers: to the ox-hide after ungrease treatment into
Row depilation processing；4) caustic dip: ox-hide is added in rotary drum, lye is added, the lye includes the original of following quality very
Material: 1%Na2S, 2%Ca (OH)2, 1%NaOH, water surplus, setting rotation 0.5-1h stop 3h, abandon liquid afterwards for 24 hours, with flowing water clean do
Only；5) deliming: by ox-hide with 3% (NH4)2SO4Aqueous solution soaking washing, is cleaned up with flowing water；6) soften: by ox-hide plus
Enter into rotary drum, 1% hydroxy acid solution is added thereto, setting rotation 0.5-1h stops 3h, abandons liquid afterwards for 24 hours, clear with flowing water
Wash clean；7) pickling, tanning: ox-hide is added in rotary drum, and 2% formic acid is added thereto, is rotated 20-30min, is then added
Composite tanning agent, the composite tanning agent are made of tannin extract, chromic salts tanning agent, adjust pH to 4-4.5, setting rotation 0.5-1h with dilute sulfuric acid
Stop 3h, abandon liquid afterwards for 24 hours, is cleaned up with flowing water；8) dry: ox-hide water squeezing is open and flat, it dries.
Although processing technology disclosed in the patent can improve the pliability of finished leather, the mistake the step of processing technology
In simple, preferable anti-scratch performance can not be made it have, using effect is poor, therefore, designs a kind of aqueous coating sofa artificial leather
Production method is necessary.
Summary of the invention
The purpose of the present invention is there is the above problem in view of the prior art, a kind of system of aqueous coating sofa artificial leather is proposed
Make method, which has the characteristics that using effect is good.
Object of the invention can be realized by the following technical scheme: a kind of production method of aqueous coating sofa artificial leather,
It is characterized in that, includes the following steps:
A, outsourcing: existing ox-hide is removed from office in the market for purchase, and is cleaned to its surface；
B, ingredient: in parts by weight, the raw material of production bottom coating: 50-60 parts of waterborne polyurethane resin, 6-10 is weighed
The pigment paste, 4-5 parts of delustering agent, 2.5-3.5 parts of softening agent and 20-25 parts of deionized water of part；Production middle layer is weighed to apply
The raw material of material: 25-35 parts of waterborne polyurethane resin, 4-7 parts of pigment paste, 1-3 parts of delustering agent, 1.3-1.8 parts of softness
Agent and 30-40 parts of deionized water；Weigh the raw material of production investment precoat: 18-22 parts of waterborne polyurethane resin, 2-5 parts
Delustering agent, 1.5-2.5 parts of crosslinking agent, 0.8-2.1 parts of antibacterial agent, 0.4-1.2 parts of hand feeling agent and 35-45 parts of deionization
Water；And three categories raw material is respectively put into high-efficiency stirring equipment and is stirred, bottom coating, middle coating intermediate and surface layer is made
Coating；
C, it makes bottom: bottom coating being sprayed on ox-hide leather by flush coater, and is plated, spraying number is 1-
2 times；
D, it makes middle layer: middle coating intermediate being sprayed on bottom by flush coater, spraying number is 2-3 times；
E, it makes surface layer: being sprayed investment precoat in middle level by flush coater, spraying number is 2-3 times；
F, it is embossed: ox-hide leather being embossed by embossing machine, the aqueous coating sofa artificial leather of finished product can be obtained.
Ox-hide leather in the step a is cattle hide or buffalo hide.
Defoaming agent in the step b is aqueous defoamer.
Crosslinking agent in the step b is epoxy resin water cross-linking agent.
Pressing temperature in the step c is 60-80 DEG C, and the pressing time is 4-5s.
The rolling of embossing potted flower and pressing plate two ways in the step f.
High-efficiency stirring equipment in the step b includes pedestal, and agitator tank is fixed on pedestal, and stirring upper box part, which has, to be added
Material mouth is provided with the first solenoid valve at feed opening, and stirring lower box part has discharge port, and discharge outlet is provided with second solenoid valve,
Main shaft is vertically arranged on agitator tank, the dynamic structure that main shaft upper end can drive it to rotate with one is connected, main shaft lower end and rotation
Disk is connected, and the first stirring pipe, the second stirring pipe and third stirring pipe, and the first stirring pipe, the second stirring are provided on rotating disc
Pipe and third stirring pipe are evenly distributed.
The working principle of high-efficiency stirring equipment is as follows: all kinds of raw materials being added in agitator tank, are driven by dynamic structure
Main axis, main shaft drive turn disc, and rotating disc drives the first stirring pipe, the second stirring pipe and the rotation of third stirring pipe,
Raw material can be quickly uniformly mixed, coating can be obtained, stirring is quick.
First stirring pipe includes upper vertical input section one, middle spiral section one and lower vertical deferent segment one, upper vertical defeated
Enter section one to be fixed on rotating disc, upper vertical input section one is connected with the upper end of L shape passage one, under L shape passage one
End is connected with dehvery pump one, and dehvery pump one is close to stirring upper box part, and the end of lower vertical deferent segment one connects flexible the
One auxiliary sleeve, the side of lower vertical deferent segment one also have several delivery outlets one, are also arranged with first on lower vertical deferent segment one
Stop set, and first stops set that can close delivery outlet one, first stops set upper side to pass through reset spring one and middle spiral section
One is connected, and first stops set lower end to be connected with the first auxiliary sleeve bottom by interlocking bar one, upper vertical input section one and it is lower vertically
All have several stirring sheets one on deferent segment one, the second stirring pipe includes upper vertical input section two, middle spiral section two and lower vertical
Deferent segment two, upper vertical input section two are fixed on rotating disc, and upper vertical input section two is connected with the upper end of L shape passage two
Logical, the lower end of L shape passage two is connected with dehvery pump two, and dehvery pump two is close to agitator tank middle part, lower vertical deferent segment two
End connects flexible second auxiliary sleeve, and the side of lower vertical deferent segment two also has several delivery outlets two, lower vertical output
The second blocking set is also arranged in section two, and second stops set that can close delivery outlet two, the second blocking set upper side passes through multiple
Position spring two is connected with middle spiral section two, and second stops set lower end to be connected by interlocking bar two with the second auxiliary sleeve bottom, upper perpendicular
All have several stirring sheets two in straight input section two and lower vertical deferent segment two, third stirring pipe include upper vertical input section three,
Middle spiral section three and lower vertical deferent segment three, upper vertical input section three are fixed on rotating disc, and upper vertical input section three and L shape are led
The upper end of expects pipe three is connected, and the lower end of L shape passage three is connected with dehvery pump three, and the close stirring lower box part of dehvery pump three,
The end of vertical deferent segment three connects flexible third auxiliary sleeve down, and the side of lower vertical deferent segment three also has several outputs
Hole three is also arranged with third on lower vertical deferent segment three and stops set, and third stops set that can close delivery outlet three, third resistance
Interstage sleeve upper end is connected by reset spring three with middle spiral section three, and third stops set lower end to pass through interlocking bar three and third auxiliary sleeve
Bottom is connected, and several stirring sheets three, the side of middle spiral section one are all had in upper vertical input section three and lower vertical deferent segment three
It is connected by connection branch pipe one with the side of middle spiral section two, check valve one, middle spiral section two is provided on connection branch pipe one
Side be connected by connection branch pipe two with the side of middle spiral section three, check valve two, middle spiral shell are provided on connection branch pipe two
The side of rotation section three is connected by connection branch pipe three with the side of middle spiral section one, is provided with check valve on connection branch pipe three
Three.
Using the above structure, the first stirring pipe drives stirring sheet one to rotate, and the second stirring pipe drives stirring sheet two to rotate, the
Three stirring pipes drive stirring sheet three to rotate, meanwhile, control dehvery pump one is defeated by L shape passage one by the raw material for stirring upper box part
Enter into the first stirring pipe, the raw material in the middle part of agitator tank is input to the second stirring by L shape passage two by control dehvery pump two
Guan Zhong, the raw material for stirring lower box part is input in third stirring pipe by control dehvery pump three by L shape passage three, and and connection
The booster action of branch pipe one, connection branch pipe two and connection branch pipe three makes in the first stirring pipe, the second stirring pipe and third stirring pipe
Raw material mutually twist flow, at the same time, as the raw material in the first stirring pipe gradually increases, make the first auxiliary sleeve to
Lower deformation, the first auxiliary sleeve drive first set is stopped to move down, keep delivery outlet one in the open state by interlocking bar one, the
After one auxiliary sleeve resets downwards, the raw material for keeping it internal is flowed up with the raw material that flows downward in the first stirring pipe in delivery outlet
Repeated stock is carried out at one deforms the second auxiliary sleeve downwards as the raw material in the second stirring pipe gradually increases, the second auxiliary
Set drives second set is stopped to move down by interlocking bar two, keeps delivery outlet two in the open state, and the second auxiliary sleeve is multiple downwards
Behind position, the raw material for keeping it internal is flowed up to be rushed at delivery outlet two repeatedly with the raw material to flow downward in the second stirring pipe
It hits, as the raw material in third stirring pipe gradually increases, deforms third auxiliary sleeve downwards, third auxiliary sleeve passes through interlocking bar three
It drives third that set is stopped to move down, keeps delivery outlet three in the open state, after third auxiliary sleeve resets downwards, make its inside
Raw material is flowed up carries out repeated stock with the raw material to flow downward in third stirring pipe at delivery outlet three, so as to reduce original
Time needed for material stirring, auxiliaring effect are good.
It is provided with cracker in first auxiliary sleeve, the second auxiliary sleeve and third auxiliary sleeve, if having on cracker
The crushing cutter of dry protrusion.
It using the above structure, can be to the raw material in the first auxiliary sleeve, the second auxiliary sleeve and third auxiliary sleeve by cracker
It is crushed, it is blocking to avoid the occurrence of materials from bonding.
The section of the crushing cutter is triangle.
The dynamic structure includes power motor, driving gear and driven gear, and power motor is fixed on agitator tank, is moved
Straight up, driving gear is fixed on the output shaft end of power motor to the output shaft of force motor, and driven gear is fixed on main shaft
Upper end, and driving gear is meshed with driven gear.
When needing to make main axis, control power motor drives driving gear rotation, and driving gear drives driven gear
Rotation, driven gear drives main axis, so as to make main axis.
As another situation, the dynamic structure includes power motor, driving wheel, driven wheel and belt, power motor
It is fixed on agitator tank, straight up, driving wheel is fixed on the output shaft end of power motor to the output shaft of power motor, driven
Wheel is fixed on main shaft end, and belt is set between driving wheel and driven wheel.
When needing to make main axis, control power motor drives driving wheel rotation, and driving wheel is driven driven by belt
Wheel rotation, driven wheel drives main axis, so as to make main axis.
Several electric heating tubes are further fixed on the inner sidewall of the agitator tank.
The agitator tank side also has access hole, and the chamber door that can close access hole is also hinged on agitator tank.
Using the above structure, agitator tank inside is overhauled by the way that access hole is convenient.
Compared with prior art, the production method of this aqueous coating sofa artificial leather has the advantages that this:
By coating bottom, middle layer and surface layer on the surface that ox-hide is removed from office in the present invention, and use waterborne polyurethane resin for
Primary raw material covers with paint, lacquer, colour wash, etc. leather surface, and double hydroxyl small molecule monomers are introduced into polyurethane matrix by polycondensation reaction,
Small molecule chain extender has good anti-protein adsorption performance, assigns the good anti-scratch of leather surface and anti-pollution, meanwhile, lead to
It crosses and increases suitable antibacterial agent at it, it can be made but also with preferable anti-microbial property, using effect is good.
Detailed description of the invention
Fig. 1 is the step schematic diagram of this production method.
Fig. 2 is the planar structure schematic diagram of high-efficiency stirring equipment.
Fig. 3 is the planar structure schematic diagram that high-efficiency stirring equipment removes part.
In figure, 1, pedestal；2, agitator tank；2a, feed opening；2b, discharge port；3, second stops set；4, the second auxiliary sleeve；5,
Interlocking bar two；6, first stops set；7, interlocking bar one；8, the first auxiliary sleeve；9, interlocking bar three；10, third auxiliary sleeve；11,
Three stop set；12, second solenoid valve；13, dehvery pump three；14, L shape passage three；15, third stirring pipe；It is 15a, upper vertical defeated
Enter section three；15b, middle spiral section three；15c, lower vertical deferent segment three；16, rotating disc；17, power motor；18, driving gear；
19, main shaft；20, driven gear；21, the first solenoid valve；22, L shape passage one；23, dehvery pump one；24, L shape passage two；
25, dehvery pump two；26, the first stirring pipe；26a, upper vertical input section one；26b, middle spiral section one；26c, lower vertical deferent segment
One；27, the second stirring pipe；27a, upper vertical input section two；27b, middle spiral section two；27c, lower vertical deferent segment two；28, it resets
Spring two；29, cracker；30, reset spring three；31, reset spring one；32, connection branch pipe one；33, check valve one；34, single
To valve three；35, connection branch pipe three；36, stirring sheet three；37, stirring sheet one；38, stirring sheet two；39, check valve two；40, connection
Branch pipe two.
Specific embodiment
Following is a specific embodiment of the present invention in conjunction with the accompanying drawings, technical scheme of the present invention will be further described,
However, the present invention is not limited to these examples.
As shown in Figure 1, the production method of this aqueous coating sofa artificial leather, includes the following steps:
A, outsourcing: existing ox-hide is removed from office in the market for purchase, and is cleaned to its surface；
B, ingredient: in parts by weight, the raw material of production bottom coating: 50-60 parts of waterborne polyurethane resin, 6-10 is weighed
The pigment paste, 4-5 parts of delustering agent, 2.5-3.5 parts of softening agent and 20-25 parts of deionized water of part；Production middle layer is weighed to apply
The raw material of material: 25-35 parts of waterborne polyurethane resin, 4-7 parts of pigment paste, 1-3 parts of delustering agent, 1.3-1.8 parts of softness
Agent and 30-40 parts of deionized water；Weigh the raw material of production investment precoat: 18-22 parts of waterborne polyurethane resin, 2-5 parts
Delustering agent, 1.5-2.5 parts of crosslinking agent, 0.8-2.1 parts of antibacterial agent, 0.4-1.2 parts of hand feeling agent and 35-45 parts of deionization
Water；And three categories raw material is respectively put into high-efficiency stirring equipment and is stirred, bottom coating, middle coating intermediate and surface layer is made
Coating；
C, it makes bottom: bottom coating being sprayed on ox-hide leather by flush coater, and is plated, spraying number is 1-
2 times；
D, it makes middle layer: middle coating intermediate being sprayed on bottom by flush coater, spraying number is 2-3 times；
E, it makes surface layer: being sprayed investment precoat in middle level by flush coater, spraying number is 2-3 times；
F, it is embossed: ox-hide leather being embossed by embossing machine, the aqueous coating sofa artificial leather of finished product can be obtained.
Ox-hide leather in step a is cattle hide or buffalo hide.
Defoaming agent in step b is aqueous defoamer.
Crosslinking agent in step b is epoxy resin water cross-linking agent.
Pressing temperature in step c is 60-80 DEG C, and the pressing time is 4-5s.
The rolling of embossing potted flower and pressing plate two ways in step f.
Specific step is as follows:
A, outsourcing: existing ox-hide is removed from office in the market for purchase, and is cleaned to its surface；Ox-hide leather in step a is Huang
Ox-hide；
B, ingredient: in parts by weight, the raw material of production bottom coating: 55 parts of waterborne polyurethane resin, 7 parts of face is weighed
Expect cream, 4 parts of delustering agent, 2.8 parts of softening agent and 22 parts of deionized water；Weigh the raw material of production middle coating intermediate: 27 parts
Waterborne polyurethane resin, 5 parts of pigment paste, 2 parts of delustering agent, 1.5 parts of softening agent and 32 parts of deionized water；Weigh production
The raw material of investment precoat: 20 parts of waterborne polyurethane resin, 3 parts of delustering agent, 1.9 parts of crosslinking agent, 1.3 parts of antibacterial agent,
0.6 part of hand feeling agent and 40 parts of deionized water；And three categories raw material is respectively put into high-efficiency stirring equipment and is stirred,
Bottom coating, middle coating intermediate and investment precoat is made；Defoaming agent in step b is aqueous defoamer；Crosslinking agent in step b is
Epoxy resin water cross-linking agent；
C, it makes bottom: bottom coating being sprayed on ox-hide leather by flush coater, and is plated, spraying number is 1
It is secondary；Pressing temperature in step c is 65 DEG C, and the pressing time is 4s；
D, it makes middle layer: middle coating intermediate being sprayed on bottom by flush coater, spraying number is 2 times；
E, it makes surface layer: being sprayed investment precoat in middle level by flush coater, spraying number is 2 times；
F, it is embossed: ox-hide leather being embossed by embossing machine, the aqueous coating sofa artificial leather of finished product can be obtained；Step f
In embossing potted flower rolling.
It is detected using above step, and to it, design parameter is as follows:
1, Tear strength (N): longitudinal 85, lateral 73；
2, it flexural fatigue: does not crack for 20000 times；
3, colour fastness to rubbing: unlubricated friction (staining: 4-5；Change colour 4-5), the wet (staining: 4-5 that rubs；Change colour 4-5)；
4, pH value: 3.85
5, volatile organic compounds (μ g/m3): 182 (after 5 hours)；
6, content of 6-valence Cr ions (mg/kg): 13.
To sum up data can satisfy existing use demand it can be seen that the aqueous coating sofa artificial leather has preferable performance.
As shown in Fig. 2-Fig. 3, the high-efficiency stirring equipment in step b includes pedestal 1, and agitator tank 2 is fixed on pedestal 1,
In the present embodiment, agitator tank 2 is fixed on pedestal 1 by bolted connection；2 top of agitator tank has feed opening 2a, adds
The first solenoid valve 21 is provided at material mouth 2a, 2 lower part of agitator tank has discharge port 2b, is provided with second solenoid valve at discharge port 2b
12, main shaft 19 is vertically arranged on agitator tank 2, the dynamic structure that 19 upper end of main shaft can drive it to rotate with one is connected, main shaft 19
Lower end is connected with rotating disc 16, and in the present embodiment, 19 lower end of main shaft is connected with rotating disc 16 by welding；Rotating disc
The first stirring pipe 26, the second stirring pipe 27 and third stirring pipe 15, and the first stirring pipe 26, the second stirring pipe 27 are provided on 16
It is evenly distributed with third stirring pipe 15.
First stirring pipe 26 includes upper vertical one 26a of input section, one 26b of middle spiral section and lower one 26c of vertical deferent segment, on
Vertical one 26a of input section is fixed on rotating disc 16, and the upper end of upper vertical one 26a with L shape passage 1 of input section is connected,
The lower end of L shape passage 1 is connected with dehvery pump 1, and dehvery pump 1 is close to 2 top of agitator tank, lower vertical deferent segment
The end of one 26c connects flexible first auxiliary sleeve 8, and in the present embodiment, the first auxiliary sleeve 8 is used and can be bought in the market
Existing product；The side of vertical one 26c of deferent segment also has several delivery outlets one, in the present embodiment, delivery outlet one down
Quantity is ten；The first blocking set 6 is also arranged on vertical one 26c of deferent segment down, and first stops set 6 can be by one envelope of delivery outlet
It closes, first stops 6 upper ends of set to be connected by reset spring 1 with middle one 26b of spiral section, and first stops 6 lower ends of set to pass through connection
Lever 1 is connected with 8 bottom of the first auxiliary sleeve, all has on upper vertical one 26a of input section and lower one 26c of vertical deferent segment several
Stirring sheet 1, in the present embodiment, the quantity of stirring sheet 1 are four；Second stirring pipe 27 includes upper vertical input section two
27a, two 27b of middle spiral section and lower two 27c of vertical deferent segment, upper vertical two 27a of input section are fixed on rotating disc 16, upper vertical
The upper end of two 27a with L shape passage 2 24 of input section is connected, and the lower end of L shape passage 2 24 is connected with dehvery pump 2 25, and
Dehvery pump 2 25 is close to 2 middle part of agitator tank, and the end of lower vertical two 27c of deferent segment connects flexible second auxiliary sleeve 4, at this
In embodiment, the second auxiliary sleeve 4 is using the existing product that can be bought in the market；The side of vertical two 27c of deferent segment also has down
There are several delivery outlets two, in the present embodiment, the quantity of delivery outlet two is ten；It is also arranged on vertical two 27c of deferent segment down
Second stops set 3, and second stops set 3 that can close delivery outlet two, and second stops 3 upper ends of set to pass through 2 28 He of reset spring
Middle two 27b of spiral section is connected, and second stops 3 lower ends of set to be connected by interlocking bar 25 with 4 bottom of the second auxiliary sleeve, upper vertical defeated
Enter and all has several stirring sheets 2 38, in the present embodiment, stirring sheet 2 38 on two 27a of section and lower two 27c of vertical deferent segment
Quantity is four；Third stirring pipe 15 includes upper vertical three 15a of input section, three 15b of middle spiral section and lower vertical deferent segment three
15c, upper vertical three 15a of input section are fixed on rotating disc 16, the upper end of upper vertical three 15a and L shape passage 3 14 of input section
It is connected, the lower end of L shape passage 3 14 is connected with dehvery pump 3 13, and dehvery pump 3 13 is close to 2 lower part of agitator tank, lower vertical
The end of three 15c of deferent segment connects flexible third auxiliary sleeve 10, and in the present embodiment, third auxiliary sleeve 10 is using in the market
The existing product that can be bought；The side of vertical three 15c of deferent segment also has several delivery outlets three down, in the present embodiment, defeated
Portal three quantity be ten；Third is also arranged on vertical three 15c of deferent segment down and stops set 11, and third stops set 11 can be by
Delivery outlet three closes, and third stops 11 upper ends of set to be connected by reset spring 3 30 with middle three 15b of spiral section, and third stops set
11 lower ends are connected by interlocking bar 39 with 10 bottom of third auxiliary sleeve, upper vertical three 15a of input section and lower vertical deferent segment three
Several stirring sheets 3 36 are all had on 15c, in the present embodiment, the quantity of stirring sheet 3 36 is four；Middle one 26b's of spiral section
Side is connected by connection branch pipe 1 with the side of middle two 27b of spiral section, and check valve one is provided on connection branch pipe 1
The side of 33, middle two 27b of spiral section are connected by connection branch pipe 2 40 with the side of middle three 15b of spiral section, connection branch pipe two
Check valve 2 39 is provided on 40, the side of middle three 15b of spiral section passes through the side of one 26b of connection branch pipe 3 35 and middle spiral section
It is connected, check valve 3 34 is provided on connection branch pipe 3 35.
It is provided with cracker 29 in first auxiliary sleeve 8, the second auxiliary sleeve 4 and third auxiliary sleeve 10, is had on cracker 29
There is the crushing cutter of several protrusions；In the present embodiment, the quantity of crushing cutter is 30；The section of crushing cutter is triangle.
It, can be in the first auxiliary sleeve 8, the second auxiliary sleeve 4 and third auxiliary sleeve 10 by cracker 29 using the structure
Raw material is crushed, and it is blocking to avoid the occurrence of materials from bonding.
Dynamic structure includes power motor 17, driving gear 18 and driven gear 20, and power motor 17 is fixed on agitator tank 2
On, in the present embodiment, power motor 17 is fixed on by bolted connection on agitator tank 2；The output of power motor 17
Straight up, driving gear 18 is fixed on the output shaft end of power motor 17 to axis, and driven gear 20 is fixed on 19 upper end of main shaft,
And driving gear 18 is meshed with driven gear 20.
Certainly, according to performance, this kind of embodiment can also be used, dynamic structure includes power motor 17, active
Wheel, driven wheel and belt, power motor 17 are fixed on agitator tank 2, and in the present embodiment, power motor 17 is bolted
Mode be fixed on agitator tank 2；Straight up, driving wheel is fixed on the output of power motor 17 to the output shaft of power motor 17
Shaft end portion, driven wheel are fixed on 19 upper end of main shaft, and belt is set between driving wheel and driven wheel；When needing to make main shaft 19 to rotate
When, control power motor 17 drives driving wheel rotation, and driving wheel drives driven wheel to rotate by belt, and driven wheel drives main shaft 19
Rotation, so as to rotate main shaft 19.
Several electric heating tubes are further fixed on the inner sidewall of agitator tank 2, in the present embodiment, the quantity of electric heating tube is four
Root.
2 side of agitator tank also has access hole, and the chamber door that can close access hole is also hinged on agitator tank 2.
It is convenient to being overhauled inside agitator tank 2 by access hole using the structure.
The working principle of high-efficiency stirring equipment is as follows: all kinds of raw materials are added to control 17 band of power motor in agitator tank 2
Dynamic driving gear 18 rotates, and driving gear 18 drives driven gear 20 to rotate, and driven gear 20 drives main shaft 19 to rotate, main shaft 19
Rotating disc 16 is driven to rotate, rotating disc 16 drives the first stirring pipe 26, the second stirring pipe 27 and third stirring pipe 15 to rotate, and first
Stirring pipe 26 drives stirring sheet 1 to rotate, and the second stirring pipe 27 drives stirring sheet 2 38 to rotate, and the drive of third stirring pipe 15 is stirred
The rotation of piece 3 36 is mixed, meanwhile, the raw material on 2 top of agitator tank is input to the by L shape passage 1 by control dehvery pump 1
In one stirring pipe 26, the raw material at 2 middle part of agitator tank is input to the second stirring by L shape passage 2 24 by control dehvery pump 2 25
In pipe 27, the raw material of 2 lower part of agitator tank is input to third stirring pipe 15 by L shape passage 3 14 by control dehvery pump 3 13
In, and the booster action with connection branch pipe 1, connection branch pipe 2 40 and connection branch pipe 3 35, make the first stirring pipe 26, second
Raw material in stirring pipe 27 and third stirring pipe 15 mutually twist flows, at the same time, in the first stirring pipe 26
Raw material gradually increases, and makes the deformation downwards of the first auxiliary sleeve 8, the first auxiliary sleeve 8 by interlocking bar 1 drive first stop set 6 to
Lower movement, keeps delivery outlet one in the open state, after the first auxiliary sleeve 8 resets downwards, the raw material for keeping it internal flow up with
The raw material to flow downward in first stirring pipe 26 carries out repeated stock at delivery outlet one, with the raw material in the second stirring pipe 27
It gradually increases, makes the deformation downwards of the second auxiliary sleeve 4, the second auxiliary sleeve 4 drives second to stop set 3 to moving down by interlocking bar 25
It is dynamic, keep delivery outlet two in the open state, after the second auxiliary sleeve 4 resets downwards, the raw material for keeping it internal is flowed up and second
The raw material to flow downward in stirring pipe 27 carries out repeated stock at delivery outlet two, gradually with the raw material in third stirring pipe 15
Increase, deform third auxiliary sleeve 10 downwards, third auxiliary sleeve 10 drives third to stop set 11 to moving down by interlocking bar 39
It is dynamic, keep delivery outlet three in the open state, after third auxiliary sleeve 10 resets downwards, the raw material for keeping it internal flows up and third
The raw material to flow downward in stirring pipe 15 carries out repeated stock at delivery outlet three, can quickly be uniformly mixed raw material, obtain institute
The coating needed.
Specific embodiment described herein is only an example for the spirit of the invention.The neck of technology belonging to the present invention
The technical staff in domain can make various modifications or additions to the described embodiments or replace by a similar method
In generation, however, it does not deviate from the spirit of the invention or beyond the scope of the appended claims.
Claims (10)
1. a kind of production method of aqueous coating sofa artificial leather, which comprises the steps of:
A, outsourcing: existing ox-hide is removed from office in the market for purchase, and is cleaned to its surface；
B, ingredient: in parts by weight, the raw material of production bottom coating: 50-60 parts of waterborne polyurethane resin, 6-10 parts is weighed
Pigment paste, 4-5 parts of delustering agent, 2.5-3.5 parts of softening agent and 20-25 parts of deionized water；Weigh production middle coating intermediate
Raw material: 25-35 parts of waterborne polyurethane resin, 4-7 parts of pigment paste, 1-3 parts of delustering agent, 1.3-1.8 parts of softening agent and
30-40 parts of deionized water；Weigh the raw material of production investment precoat: 18-22 parts of waterborne polyurethane resin, 2-5 parts of delustring
Agent, 1.5-2.5 parts of crosslinking agent, 0.8-2.1 parts of antibacterial agent, 0.4-1.2 parts of hand feeling agent and 35-45 parts of deionized water；
And three categories raw material is respectively put into high-efficiency stirring equipment and is stirred, bottom coating, middle coating intermediate and surface layer is made and applies
Material；
C, it makes bottom: bottom coating being sprayed on ox-hide leather by flush coater, and is plated, spraying number is 1-2 times；
D, it makes middle layer: middle coating intermediate being sprayed on bottom by flush coater, spraying number is 2-3 times；
E, it makes surface layer: being sprayed investment precoat in middle level by flush coater, spraying number is 2-3 times；
F, it is embossed: ox-hide leather being embossed by embossing machine, the aqueous coating sofa artificial leather of finished product can be obtained.
2. the production method of aqueous coating sofa artificial leather according to claim 1, which is characterized in that the ox in the step a
Leather is cattle hide or buffalo hide.
3. the production method of aqueous coating sofa artificial leather according to claim 1, which is characterized in that disappearing in the step b
Infusion is aqueous defoamer.
4. the production method of aqueous coating sofa artificial leather according to claim 1, which is characterized in that the friendship in the step b
Connection agent is epoxy resin water cross-linking agent.
5. the production method of aqueous coating sofa artificial leather according to claim 1, which is characterized in that scalding in the step c
Flat temperature is 60-80 DEG C, and the pressing time is 4-5s.
6. the production method of aqueous coating sofa artificial leather according to claim 1, which is characterized in that the pressure in the step f
The rolling of flower potted flower and pressing plate two ways.
7. the production method of aqueous coating sofa artificial leather according to claim 1, which is characterized in that the height in the step b
Imitating mixing plant includes pedestal, and agitator tank is fixed on pedestal, and stirring upper box part has feed opening, is provided with first at feed opening
Solenoid valve, stirring lower box part have discharge port, and discharge outlet is provided with second solenoid valve, is vertically arranged with main shaft on agitator tank,
The dynamic structure that main shaft upper end can drive it to rotate with one is connected, and main shaft lower end is connected with rotating disc, and the is provided on rotating disc
One stirring pipe, the second stirring pipe and third stirring pipe, and the first stirring pipe, the second stirring pipe and third stirring pipe are in uniform point
Cloth.
8. the production method of aqueous coating sofa artificial leather according to claim 7, which is characterized in that the dynamic structure includes
Power motor, driving wheel, driven wheel and belt, power motor are fixed on agitator tank, the output shaft of power motor straight up,
Driving wheel is fixed on the output shaft end of power motor, and driven wheel is fixed on main shaft end, belt be set in driving wheel with it is driven
Between wheel.
9. the production method of aqueous coating sofa artificial leather according to claim 7, which is characterized in that the inside of the agitator tank
Several electric heating tubes are further fixed on wall.
10. the production method of aqueous coating sofa artificial leather according to claim 1, which is characterized in that the agitator tank side
Also there is access hole, be also hinged with the chamber door that access hole can be closed on agitator tank.
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| CN201811552193.6A CN109609709B (en) | 2018-12-18 | 2018-12-18 | Method for manufacturing water-based coating sofa leather |
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| CN201811552193.6A CN109609709B (en) | 2018-12-18 | 2018-12-18 | Method for manufacturing water-based coating sofa leather |
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| CN109609709A true CN109609709A (en) | 2019-04-12 |
| CN109609709B CN109609709B (en) | 2021-04-23 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114959124A (en) * | 2022-05-30 | 2022-08-30 | 柏德皮革(中国)有限公司 | Production method of cloud printed automobile interior leather |
| IT202100030059A1 (en) * | 2022-03-30 | 2023-09-30 | Andrea Fastelli | “METHOD OF FINISHING LEATHER THROUGH THE DIRECT APPLICATION ON IT OF ACRYLIC, POLYURETHANE PRODUCTS, WAXES, THICKENING PRODUCTS, RELEASE PRODUCTS AND SIMILAR PRODUCTS” |
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| CN101982547A (en) * | 2010-10-18 | 2011-03-02 | 海宁森德皮革有限公司 | Light-proof and sweat-proof leathers for steering wheels |
| CN102732649A (en) * | 2012-06-15 | 2012-10-17 | 海宁森德皮革有限公司 | Production process of automobile interior decorative leather with ultralow total carbon emission |
| CN106861502A (en) * | 2017-03-28 | 2017-06-20 | 滁州市松园农业科技有限公司 | A kind of infant industry mixer |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101982547A (en) * | 2010-10-18 | 2011-03-02 | 海宁森德皮革有限公司 | Light-proof and sweat-proof leathers for steering wheels |
| CN102732649A (en) * | 2012-06-15 | 2012-10-17 | 海宁森德皮革有限公司 | Production process of automobile interior decorative leather with ultralow total carbon emission |
| CN106861502A (en) * | 2017-03-28 | 2017-06-20 | 滁州市松园农业科技有限公司 | A kind of infant industry mixer |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IT202100030059A1 (en) * | 2022-03-30 | 2023-09-30 | Andrea Fastelli | “METHOD OF FINISHING LEATHER THROUGH THE DIRECT APPLICATION ON IT OF ACRYLIC, POLYURETHANE PRODUCTS, WAXES, THICKENING PRODUCTS, RELEASE PRODUCTS AND SIMILAR PRODUCTS” |
| CN114959124A (en) * | 2022-05-30 | 2022-08-30 | 柏德皮革(中国)有限公司 | Production method of cloud printed automobile interior leather |
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| CN109609709B (en) | 2021-04-23 |
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