CN106702762A - Surface treatment process for suede leather - Google Patents
Surface treatment process for suede leather Download PDFInfo
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- CN106702762A CN106702762A CN201710006106.6A CN201710006106A CN106702762A CN 106702762 A CN106702762 A CN 106702762A CN 201710006106 A CN201710006106 A CN 201710006106A CN 106702762 A CN106702762 A CN 106702762A
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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
- 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
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- 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
- D06N3/0056—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the compounding ingredients of the macro-molecular coating
- D06N3/0061—Organic fillers or organic fibrous fillers, e.g. ground leather waste, wood bark, cork powder, vegetable flour; Other organic compounding ingredients; Post-treatment with organic compounds
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- 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
- D06N3/0056—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the compounding ingredients of the macro-molecular coating
- D06N3/0063—Inorganic compounding ingredients, e.g. metals, carbon fibres, Na2CO3, metal layers; Post-treatment with inorganic compounds
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- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
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- 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
- D06N3/0075—Napping, teasing, raising or abrading of the resin coating
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- 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
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- D06N3/00—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof
- D06N3/0086—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the application technique
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- 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
- D06N3/0086—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the application technique
- D06N3/0088—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by the application technique by directly applying the resin
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- D06N2205/00—Condition, form or state of the materials
- D06N2205/06—Melt
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- D06N2209/00—Properties of the materials
- D06N2209/10—Properties of the materials having mechanical properties
- D06N2209/103—Resistant to mechanical forces, e.g. shock, impact, puncture, flexion, shear, compression, tear
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- D06N2209/00—Properties of the materials
- D06N2209/10—Properties of the materials having mechanical properties
- D06N2209/108—Slipping, anti-blocking, low friction
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- D06N2209/00—Properties of the materials
- D06N2209/14—Properties of the materials having chemical properties
- D06N2209/143—Inert, i.e. inert to chemical degradation, corrosion resistant
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- D06N2209/00—Properties of the materials
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- D06N2211/00—Specially adapted uses
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Abstract
The invention discloses a surface treatment process for suede leather. The invention adopts the key point of the technical scheme that the surface treatment process comprises the following treatment processes: step 1, preparing a base fabric, impregnating and extruding in an impregnating tank, and pre-setting; step 2, washing the preset base fabric, drying at a temperature of 135 DEG C, cooling and winding; step 3, coating the base fabric in the step 3 with roll coating slurry and foaming at a high temperature; step 4, buffing and finishing the foamed base fabric; step 5, after buffing, coating with a wax treatment agent and presetting; step 6, drying the preset base fabric in a drying box and winding. The suede leather produced by the surface treatment process disclosed by the invention has excellent use effect and more excellent surface hand feeling, stripping resistance, bending resistance and tear resistance.
Description
Technical field
The present invention relates to the production field of synthetic leather, more particularly to a kind of process of surface treatment of suede.
Background technology
Synthetic leather has the advantages that easy to process, quality unification, numerous in variety, using in extensive range.Process for treating surface
Synthetic leather processing can be gone out different surface styles, meet requirement of the people to the various styles in synthetic leather surface.However, with
The progress of production technology, requirement of the consumer to leather surface is also more next, it is desirable to which synthetic leather can have the property of similar natural leather
Energy.
Suede is a kind of by scrim surfaces coating Foamex, the synthesis of generation villous sense of being foamed under high temperature
Leather, producing can coat coating of wax sense inorganic agent on the surface of fine hair, fine hair is had an excellent feel, and existing suede
Processing technology exist it is unreasonable, easily cause suede by wax sense treatment after effect it is not lasting, have influence on the effect for using
Really.
The content of the invention
In view of the shortcomings of the prior art, it is an object of the invention to provide a kind of process of surface treatment of suede,
It is lasting by the wax sense effect after the treatment of the suede of the technique productions.
Above-mentioned technical purpose of the invention technical scheme is that：A kind of surface treatment of suede
Technique, includes following process step：
Step 1：Prepare base fabric, the pre- consolidated after Dip-squeeze in impregnating groove；
Step 2：Base fabric after pre- consolidated is through washing, drying, cooling and winding；
Step 3：Base fabric applicator roll in step 3 applies slurry, is foamed under high temperature；
Step 4：Base fabric after foaming carries out mill skin and arranges；
Step 5：Mill skin after through coat waxy-feeling treatment agent after pre- consolidated；
Step 6：Base fabric is through oven for drying, winding after pre- consolidated.
By above-mentioned setting, impregnation enables to one layer of bed material of coating on base fabric to enable in impregnating groove in step 1
Bottom have with performance as leather-like, pre- consolidated is for realizing that being coated in the impregnation slurry on base fabric surface can penetrate into bottom
In cloth, can assign base fabric soft texture；It is the humidity for improving base fabric, another aspect energy that one side is washed in step 2
Enough parts removed in impregnation slurry can be dissolved in the material of water, then then be completed by the process of drying, cooling and winding
The coating of bed material；Roller coating sizing material is coated in step 3, carrying out foaming under high temperature enables to the roller coat slurry on base fabric to change
Coat of the generation with velvet-like texture；Mill skin treatment in step 4 is intended that the surface of the coat of fine hair has phase
It is equidirectional, and the length on surface is homogeneous, and vision upper surface is neat；It is in order that obtaining matte that waxy-feeling treatment agent is coated in step 5
With smooth feel, make its using effect excellent；Carrying out at drying after waxy-feeling treatment agent is coated when in step 6 in step 5
Reason, drying and processing is so that the dry tack free of synthetic leather, and by volatile material under some low temperature, then winds and just can
Finished product.
The present invention is further arranged to：150~200 parts of the component that slurry includes following parts by weight is impregnated with step 1
DMF, 80~120 parts of polyurethane-modified elastomer resins, 5~10 parts of wood powders, 5~10 parts of calcium carbonate, 3~5 parts of mill bases.
By above-mentioned technical proposal, DMF is used as solvent to dissolve polyurethane-modified elastomer resin, polyurethane-modified bullet
Gonosome resin is coated in base fabric surface and enables to the texture of base fabric soft, elastic good, and solvent DMF can after use
To be used again after reclaiming rectifying, possesses the feature of environmental protection；And the ratio of its weight fraction is 2：1, the viscous of impregnation slurry can be caused
Denseness is appropriate, and slurry is easily coated on base fabric surface, and can completely be impregnated with base fabric, and performance is just on the whole for product
Can be more excellent, add wood powder to reduce the cost of product, skeleton can be played a part of during solidification again, plus
Entering calcium carbonate can not only reduce the cost of product, additionally it is possible to be used as delustering agent, and the pore structure of calcium carbonate can be more
Good is combined with polyurethane-modified elastomer resin so that the effect of waxy-feeling treatment agent is more lasting, makes suede performance more
It is excellent, add mill base to enable to the synthetic leather there are different color and lusters to meet the different demands of consumer.
The present invention is further arranged to：Blowing temperature in step 3 is 135~155 DEG C.
By above-mentioned technical proposal, it is uniform that temperature setting enables to nubuck resin to fluff within the range.
The present invention is further arranged to：The sand paper that skin treatment 150 mesh of selection are ground in step 4 is carried out.
By above-mentioned technical proposal, because surface is not uniform after nubuck resin fluffing, so needing by sand paper
Treatment surface causes that the length of fluffing and the direction of fluffing are consistent, and makes its surface neat.
The present invention is further arranged to：0.05~1mm of the sand paper mill skin treatment thickness disappearance.
By above-mentioned technical proposal, the scope of 0.05~1mm of thickness disappearance after sand paper mill skin, by experimental verification in the model
The miscellaneous hair of the interior excess surface that can just go out is enclosed, the surface texture of synthetic leather is than more uniform.
The present invention is further arranged to：Waxy-feeling treatment agent includes the component of following parts by weight in step 5：30~40 parts are gathered
Urethane resin, 30~40 parts of DMF, 5~15 parts of butanone, 1~5 part of flatting silica, 1~2 part of wax sense auxiliary agent.
By above-mentioned technical proposal, Synthetic Leather has gloss soft, natural, soft, strong outer of kishke feel
See, with the excellent mechanical performance such as substrate bonding excellent performance, wear-resistant, flex endurant, anti-aging, resistance to fungi be good, together
When be also equipped with the advantages of cold resistance is good, ventilative, washable, easy to process, price is excellent honest and clean, be that the ideal of natural leather is replaced
Dai Pin, the bonding that the surface that it is coated in synthetic leather can be good with synthetic leather, is less prone to the phenomenon of layering；The DMF of addition
Being used as solvent can dissolve polyurethane resin, and butanone is equally used as solvent so that polyurethane resin has different viscosity；
The addition of flatting silica enables to the original brightness of leather surface to disappear to the greatest extent, and mist and black is increased on the basis of original, is rich in skin
Unique texture is removed from office, the addition of siloxanes enables to the soft surface of synthetic leather, and feel is good.
The present invention is further arranged to：The flatting silica selects polyacrylamide or silica.
By above-mentioned technical proposal, polyacrylamide is formed by acrylamide (AM) monomer through free radical polymerization
Water-soluble linear high molecular polymer, with good flocculability, can reduce the frictional resistance between liquid, while can make
Waxy-feeling treatment agent stabilization is obtained, the aliquation decortication phenomenon that impregnation slurry coating occurs can be also reduced；The addition of silica can make
The gloss for obtaining film declines, and enabling to the gloss of polyester resin reduces, and assigns synthetic leather unique texture.
The present invention is further arranged to：The siloxanes selects polymethyl siloxane or dimethyl silicone polymer.
By above-mentioned technical proposal, polymethyl siloxane is organosilicone copolymer.With electrical insulating property and resistant of high or low temperature.
Flash-point is high, freezing point is low, can at -50~+250 DEG C long-term use, viscosity-temperature coefficient is small, compression ratio is big, and surface tension is low, hydrophobic
Moisture resistance is good；Specific heat and thermal conductivity factor are small, physiological inertia；Dimethyl silicone polymer transparency is high, with heat resistance, cold resistance,
Water proofing property, surface tension be small, with thermal conductivity, with physiological inertia, good chemical stability.Electrical insulating property and weatherability,
Hydrophobicity is good, and with anti-shear ability very high, can at -50 DEG C~200 DEG C long-term use, it is special with excellent physics
Property, damp proof insulation is can be directly used for, damp, damping, froth breaking, lubrication, the aspect such as polishing.
The present invention is further arranged to：0.1~0.5 part of mustard oxamides or oleic acid acyl are also included in the waxy-feeling treatment agent
Amine.
By above-mentioned technical proposal, erucyl amide is obtained by single unsaturated C22 erucic acid.And oleamide then comes from
The mono- unsaturation oleic acid of C18.It is generally acknowledged that oleamide belongs to quick precipitation type slipping agent, because it is to the migration speed of film surface
Rate is than erucyl amide more faster.Erucyl amide because having relatively low vapour pressure, and be not as volatile as oleamide, thus most
It is usually used in processing conditions requirement occasion higher；Low volatility then means slipping agent in material list and residence time more
It is long, and will not be dispersed into air, add mustard oxamides or oleamide to realize synthetic leather proterties stabilization in component, it is and poly-
There is intermolecular association in acrylamide so that the surface of synthetic leather has more smooth texture.
The present invention is further arranged to：The temperature of baking oven selects 120-160 DEG C in step 6.
By above-mentioned technical proposal, temperature can realize within the range drying effect while in the middle part of drying course
Dividing dissolving can preferably permeate the uniformity that coating is realized in coat, then can be realized as the uniformity good.
In sum, having the beneficial effect that in contrast to prior art of the invention：
1st, the surface coating coating of wax sense inorganic agent to suede enables to the surface of suede smooth, comfortable feel；
2nd, the solvent DMF in impregnation slurry is used again after can reclaiming rectifying after the use, possesses the feature of environmental protection；
3rd, there is the action effect of collaboration between polyurethane and polyacrylamide so that the feel of material is more excellent.
Specific embodiment
The present invention is described in further detail with reference to embodiments.
A kind of process of surface treatment of suede
Embodiment 1
Step 1：Prepare base fabric, the pre- consolidated after Dip-squeeze in middle impregnating groove, impregnation slurry includes that parts by weight are 150 parts
DMF, 80 parts of polyurethane-modified elastomer resins, 5 parts of wood powders, 5 parts of calcium carbonate, 3 parts of mill bases；
Step 2：Base fabric after pre- consolidated is through washing, 135 DEG C of drying, cooling and windings；
Step 3：Base fabric applicator roll in step 3 applies slurry, lower foaming at 135 DEG C；
Step 4：Base fabric after foaming grinds skin and processes with the sand paper of 150 mesh, and the thickness of removing is 0.08mm；
Step 5：Mill Pi Houjing includes following weight with pre- consolidated after the speed coating waxy-feeling treatment agent of 20m/min, waxy-feeling treatment agent
Measure the component of number：30 parts of polyurethane resins, 30 parts of DMF, 5 parts of butanone, 1 polyacrylamide, 0.3 part of polymethyl siloxane, 0.1
Part mustard oxamides；
Step 6：Base fabric winds through baking oven after drying at a temperature of 120 DEG C after pre- consolidated.
Embodiment 2
Step 1：Prepare base fabric, the pre- consolidated after Dip-squeeze in middle impregnating groove, impregnation slurry includes that parts by weight are 160 parts
DMF, 90 parts of polyurethane-modified elastomer resins, 7 parts of wood powders, 7 parts of calcium carbonate, 4 parts of mill bases；
Step 2：Base fabric after pre- consolidated is through washing, 135 DEG C of drying, cooling and windings；
Step 3：Base fabric applicator roll in step 3 applies slurry, lower foaming at 140 DEG C；
Step 4：Base fabric after foaming grinds skin and processes with the sand paper of 150 mesh, and the thickness of removing is 0.08mm；
Step 5：Mill Pi Houjing includes following weight with pre- consolidated after the speed coating waxy-feeling treatment agent of 20m/min, waxy-feeling treatment agent
Measure the component of number：33 parts of polyurethane resins, 30 parts of DMF, 7 parts of butanone, 2 silica, 0.4 part of dimethyl silicone polymer, 0.2
Part oleamide；
Step 6：Base fabric winds through baking oven after drying at a temperature of 130 DEG C after pre- consolidated.
Embodiment 3
Step 1：Prepare base fabric, the pre- consolidated after Dip-squeeze in middle impregnating groove, impregnation slurry includes that parts by weight are 160 parts
DMF, 90 parts of polyurethane-modified elastomer resins, 7 parts of wood powders, 7 parts of calcium carbonate, 4 parts of mill bases；
Step 2：Base fabric after pre- consolidated is through washing, 135 DEG C of drying, cooling and windings；
Step 3：Base fabric applicator roll in step 3 applies slurry, lower foaming at 145 DEG C；
Step 4：Base fabric after foaming grinds skin and processes with the sand paper of 150 mesh, and the thickness of removing is 0.08mm；
Step 5：Mill Pi Houjing includes following weight with pre- consolidated after the speed coating waxy-feeling treatment agent of 20m/min, waxy-feeling treatment agent
Measure the component of number：35 parts of polyurethane resins, 35 parts of DMF, 12 parts of butanone, 3 polyacrylamides, 0.5 part of polymethyl siloxane,
0.3 part of mustard oxamides；
Step 6：Base fabric winds through baking oven after drying at a temperature of 140 DEG C after pre- consolidated.
Embodiment 4
Step 1：Prepare base fabric, the pre- consolidated after Dip-squeeze in middle impregnating groove, impregnation slurry includes that parts by weight are 190 parts
DMF, 110 parts of polyurethane-modified elastomer resins, 9 parts of wood powders, 9 parts of calcium carbonate, 4 parts of mill bases；
Step 2：Base fabric after pre- consolidated is through washing, 135 DEG C of drying, cooling and windings；
Step 3：Base fabric applicator roll in step 3 applies slurry, lower foaming at 150 DEG C；
Step 4：Base fabric after foaming grinds skin and processes with the sand paper of 150 mesh, and the thickness of removing is 0.08mm；
Step 5：Mill Pi Houjing includes following weight with pre- consolidated after the speed coating waxy-feeling treatment agent of 20m/min, waxy-feeling treatment agent
Measure the component of fraction：37 parts of polyurethane resins, 37 parts of DMF, 14 parts of butanone, 4 silica, 0.4 part of dimethyl silicone polymer,
0.4 part of oleamide；
Step 6：Base fabric winds through baking oven after drying at a temperature of 150 DEG C after pre- consolidated.
Embodiment 5
Step 1：Prepare base fabric, the pre- consolidated after Dip-squeeze in middle impregnating groove, impregnation slurry includes that parts by weight are 200 parts
DMF, 100 parts of polyurethane-modified elastomer resins, 10 parts of wood powders, 10 parts of calcium carbonate, 3 parts of mill bases；
Step 2：Base fabric after pre- consolidated is through washing, 135 DEG C of drying, cooling and windings；
Step 3：Base fabric applicator roll in step 3 applies slurry, lower foaming at 155 DEG C；
Step 4：Base fabric after foaming grinds skin and processes with the sand paper of 150 mesh, and the thickness of removing is 0.08mm；
Step 5：Mill Pi Houjing includes following weight with pre- consolidated after the speed coating waxy-feeling treatment agent of 20m/min, waxy-feeling treatment agent
Measure the component of number：40 parts of polyurethane resins, 40 parts of DMF, 15 parts of butanone, 5 polyacrylamides, 0.3 part of polymethyl siloxane,
0.5 part of mustard oxamides；
Step 6：Base fabric winds through baking oven after drying at a temperature of 160 DEG C after pre- consolidated.
Experiment detection
With reference to standard GB/T/T8949-2008, the performance such as folding, tear, stripping, hydrolysis to product of the present invention is surveyed
It is fixed；
Feel is tested：By observation and human contact.
Note：Nap effect：+ more expression nap effects are better
The laboratory test results of the embodiment 1-5 of table 1
Can be drawn by above table, embodiment 1-5's is respectively provided with good performance, and as waxy-feeling treatment agent contains
The increase of amount, the performance of synthetic leather changes in different degrees of, but as a whole, the performance of embodiment 1-5
Meet the performance of prescribed by standard, and gradually increase as the increase of waxy-feeling treatment agent content shows overall performance
Held stationary state, then illustrate that, with the increase of each component content in waxy-feeling treatment agent, the performance of synthetic leather can have one afterwards
It is individual first to increase and then in gradually gentle trend, and most preferred embodiment is used as by preferred embodiment in form 3, because with group
Divide the increase of content, embodied in embodiment 4 and 5 and more excellent effect is embodied with the increase of content.
Comparative example 1
Comparative example 1 is that mustard oxamides is not contained in the component of step 5 with the difference of embodiment 3, and other are protected with embodiment 3
Hold consistent.
Comparative example 2
Comparative example 2 is not contain polyacrylamide in the component of step 5 with the difference of embodiment 3, other with embodiment 3
It is consistent.
Comparative example 3
Comparative example 3 is that the component in step 5 does not contain mustard oxamides and polyacrylamide simultaneously with the difference of embodiment 3, its
He is consistent with embodiment 3.Experiment detection method according to embodiment 1-5 carries out experiment detection to comparative example 1-3.
The laboratory test results of the comparative example 1-3 of table 2
Data in analysis above table, contrast comparative example 1 and embodiment 3 do not contain mustard oxamides in steps of 5, and other
Under conditions of regulation keeps constant, stripping performance, tear resistance, the anti-hydrolytic performance of synthetic leather there occurs change, then illustrate
Mustard oxamides can not only increase the smoothness of synthetic leather, and can be to the stripping performance of synthetic leather, tear resistance, hydrolysis
Performance also produces influence；Contrast tunnel ratio 2 and embodiment 3, do not contain polyacrylamide in steps of 5, and other conditions are constant
In the case of, stripping performance, tear resistance, the anti-hydrolytic performance of synthetic leather there occurs change, then illustrate polyacrylamide
The stripping performance of synthetic leather, tear resistance, anti-hydrolytic performance can be made a difference；Then comparative example 3 and embodiment 3 are contrasted,
In steps of 5 simultaneously do not contain mustard oxamides and polyacrylamide, other conditions are consistent, and comparative example 3 with it is right
The experimental result of ratio 3 finds, there are larger difference, and when simultaneously added with mustard oxamides and polyacrylamide
Experiment effect is greater than the effect in the presence of any one one-component, and be greater than both effects plus and, then applicant
Can reasonably derive there is compound action effect, mustard oxamides and polyacrylamide between mustard oxamides and polyacrylamide
Interpolymer Association can occur, the intermolecular force enhancing after association can be adsorbed more firmly in synthetic leather between amine
Surface so that Surface feel, resistance to stripping, folding, tear resistance are increased.
The above is only exemplary embodiment of the invention, not for limiting the scope of the invention, this hair
Bright protection domain is determined by appended claim.
Claims (10)
1. a kind of process of surface treatment of suede, it is characterized in that：Include following process step：
Step 1：Prepare base fabric, the pre- consolidated after Dip-squeeze in impregnating groove；
Step 2：Base fabric after pre- consolidated is through washing, 135 DEG C of drying, rolling after cooling；
Step 3：Base fabric applicator roll in step 3 applies slurry, is foamed under high temperature；
Step 4：Base fabric after foaming carries out mill skin and arranges；
Step 5：Mill skin after through coat waxy-feeling treatment agent after pre- consolidated；
Step 6：Base fabric is through oven for drying, winding after pre- consolidated.
2. the process of surface treatment of a kind of suede according to claim 1, it is characterized in that：Slurry bag is impregnated with step 1
Include 150 ~ 200 parts of DMF of component of following parts by weight, 80 ~ 120 parts of polyurethane-modified elastomer resins, 5 ~ 10 parts are wooden
Powder, 5 ~ 10 parts of calcium carbonate, 3 ~ 5 parts of mill bases.
3. the process of surface treatment of a kind of suede according to claim 1, it is characterized in that：Blowing temperature in step 3
It is 135 ~ 155 DEG C.
4. the process of surface treatment of a kind of suede according to claim 1, it is characterized in that：Skin treatment choosing is ground in step 4
The sand paper for selecting 150 mesh is carried out.
5. the process of surface treatment of a kind of suede according to claim 4, it is characterized in that：The sand paper mill skin treatment is thick
0.05 ~ 1mm of degree disappearance.
6. the process of surface treatment of a kind of suede according to claim 1, it is characterized in that：Waxy-feeling treatment agent in step 5
Component including following parts by weight：30 ~ 40 parts of polyurethane resins, 30 ~ 40 parts of DMF, 5 ~ 15 parts of butanone, 1 ~ 5 part of flatting silica,
0.3 ~ 0.5 part of siloxanes.
7. the process of surface treatment of a kind of suede according to claim 6, it is characterized in that：The flatting silica selection poly- third
Acrylamide or silica.
8. the process of surface treatment of a kind of suede according to claim 6, it is characterized in that：The siloxanes selects poly- first
Radical siloxane or dimethyl silicone polymer.
9. the process of surface treatment of a kind of suede according to claim 6, it is characterized in that：In the waxy-feeling treatment agent also
Include 0.1 ~ 0.5 part of mustard oxamides or oleamide.
10. the process of surface treatment of a kind of suede according to claim 1, it is characterized in that：The temperature of baking oven in step 6
120-160 DEG C of selection.
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| CN109295743A (en) * | 2018-12-06 | 2019-02-01 | 昆山协孚新材料股份有限公司 | A kind of free-floride hydrolysis is breathed freely ox Ba Ge and its production method |
| CN110670370A (en) * | 2019-11-06 | 2020-01-10 | 山东同大海岛新材料股份有限公司 | Preparation method of imitated leather microfiber leather, imitated leather microfiber leather and imitated leather product |
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| CN106702762B (en) | 2019-05-07 |
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