CN110387749A - A kind of preparation process of sofa artificial leather - Google Patents
A kind of preparation process of sofa artificial leather Download PDFInfo
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- CN110387749A CN110387749A CN201910692639.3A CN201910692639A CN110387749A CN 110387749 A CN110387749 A CN 110387749A CN 201910692639 A CN201910692639 A CN 201910692639A CN 110387749 A CN110387749 A CN 110387749A
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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
- D06N3/0043—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by their foraminous structure; Characteristics of the foamed layer or of cellular layers
- D06N3/005—Artificial leather, oilcloth or other material obtained by covering fibrous webs with macromolecular material, e.g. resins, rubber or derivatives thereof characterised by their foraminous structure; Characteristics of the foamed layer or of cellular layers obtained by blowing or swelling agent
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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
- D06N3/0056—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
- D06N3/0059—Organic ingredients with special effects, e.g. oil- or water-repellent, antimicrobial, flame-resistant, magnetic, bactericidal, odour-influencing agents; perfumes
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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
- D06N3/0056—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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- 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
- D06N3/0056—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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- 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
- D06N3/0086—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
- D06N3/0095—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 inversion technique; by transfer processes
- D06N3/0097—Release surface, e.g. separation sheets; Silicone papers
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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
- D06N3/04—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 by reactions only involving carbon-to-carbon unsaturated bonds
- D06N3/06—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 by reactions only involving carbon-to-carbon unsaturated bonds with polyvinylchloride or its copolymerisation products
- D06N3/065—PVC together with other resins except polyurethanes
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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
- D06N3/04—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 by reactions only involving carbon-to-carbon unsaturated bonds
- D06N3/06—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 by reactions only involving carbon-to-carbon unsaturated bonds with polyvinylchloride or its copolymerisation products
- D06N3/08—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 by reactions only involving carbon-to-carbon unsaturated bonds with polyvinylchloride or its copolymerisation products with a finishing layer consisting of polyacrylates, polyamides or polyurethanes or polyester
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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
- D06N2203/00—Macromolecular materials of the coating layers
- D06N2203/06—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06N2203/068—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
- D06N2205/00—Condition, form or state of the materials
- D06N2205/10—Particulate form, e.g. powder, granule
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- D06N2209/00—Properties of the materials
- D06N2209/08—Properties of the materials having optical properties
- D06N2209/0807—Coloured
- D06N2209/0823—Coloured within the layer by addition of a colorant, e.g. pigments, dyes
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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
- D06N2209/00—Properties of the materials
- D06N2209/16—Properties of the materials having other properties
- D06N2209/165—Odour absorbing, deodorizing ability
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- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
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- D06N2209/00—Properties of the materials
- D06N2209/16—Properties of the materials having other properties
- D06N2209/1671—Resistance to bacteria, mildew, mould, fungi
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- D06N2211/00—Specially adapted uses
- D06N2211/12—Decorative or sun protection articles
- D06N2211/14—Furniture, upholstery
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- 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)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Synthetic Leather, Interior Materials Or Flexible Sheet Materials (AREA)
Abstract
The invention discloses a kind of preparation processes of sofa artificial leather, are related to the technical field of artificial leather preparation, comprise the following steps that: S1: preparing PU cold coating, foamed coating and gluing coating；S2: base fabric is pre-processed；S3: PU cold coating is uniformly coated in release paper, is then dried at 100~130 DEG C, is obtained face mask layer；S4: coating foamed coating on face mask layer, then dries at 170~200 DEG C again, obtains foaming layer；S5: gluing coating is coated in foaming layer, then dries at 150~160 DEG C, obtains adhesive layer；S6: base fabric is hot-pressed on adhesive layer, is wound after then stripping release paper, and ready-made clothes leather is obtained.The present invention has the effect of improving inhibition of the artificial leather to microorganism.
Description
Technical field
The present invention relates to the technical fields of artificial leather preparation technology, more particularly, to a kind of preparation process of sofa artificial leather.
Background technique
Artificial leather is a kind of appearance, feel like leather and the plastic products that it can be replaced to use.Usually using fabric as base,
Coating synthetic resin and the addition of various plastics are made.Artificial leather is widely used in the raw material of various leathercrafts in daily life
In.
The manufacture craft of existing artificial leather is usually successively to be coated to prepared face mask layer, foaming layer and bonding coat
Release paper surface, then again fits to base fabric on bonding coat, make its plasticizing foaming after release paper is removed again, then using
Surface treatment obtains finished product after being modified.
Prior art among the above has the following deficiencies: that prior art is prepared artificial leather and is being used as sofa fabric
When, leather is usually fixed on sofa frame when making sofa, after sofa is used for a long time, the artificial leather facing material on sofa surface
The impurity such as spot, sweat stain can be accumulated, these impurity can make artificial leather surface be easy the bacteriums such as accumulation microorganism, so that sofa holds
The service life of easy mouldy corruption, sofa reduces.
Summary of the invention
In view of the deficiencies of the prior art, the present invention intends to provide a kind of preparation process of sofa artificial leather, pass through
Antibacterial material is added in face mask layer and adhesive layer and carries out complex role, to obtain the artificial leather material with antibacterial bacteriostatic effect
Material.
Above-mentioned purpose of the invention has the technical scheme that
A kind of preparation process of sofa artificial leather, comprises the following steps that:
S1: PU cold coating, foamed coating and gluing coating are prepared；
S2: base fabric is pre-processed；
S3: PU cold coating is uniformly coated in release paper, is then dried at 100~130 DEG C, is obtained face mask layer；
S4: coating foamed coating on face mask layer, then dries at 170~200 DEG C again, obtains foaming layer；
S5: gluing coating is coated in foaming layer, then dries at 150~160 DEG C, obtains adhesive layer；
S6: base fabric is hot-pressed on adhesive layer, is wound after then stripping release paper, and ready-made clothes leather is obtained.
By using above-mentioned technical proposal, artificial leather first once applies in release paper to be transferred be covered in the production process
Different coating forms face mask layer, foaming layer and adhesive layer, base fabric and adhesive layer is then carried out heat pressure adhesive again, to obtain
It can be used for the artificial leather material of sofa production.Composite powder is added in face mask layer, so that artificial leather is for making sofa artificial leather
When, the microorganism that antibacterial bacteriostatic substance therein breeds sofa artificial leather surface inhibits, and also added with anti-in adhesive layer
The antibacterial powder of bacterium, so that all there is certain antibacterial and bacteriostasis to microorganism inside and outside artificial leather, and in the process of transfer hot pressing
Antibacterial material in middle face mask layer and adhesive layer can carry out a degree of mixing, so that the antibacterial bacteriostatic ability of artificial leather increases
By force.
The present invention is further arranged to: base fabric pre-processed using pretreatment fluid in the preprocessing process, it is described
Pretreatment fluid includes the component of following parts by weight:
By using above-mentioned technical proposal, sepiolite powder has porous structure, to nanometer copper ion and nano silver from
Son can carry out a degree of absorption, and fatty alcohol polyoxyethylene ether as a kind of surfactant for sepiolite powder table
Face is soaked, and sepiolite powder is distributed in Corvic relatively uniformly, Corvic coating
It is integrated in base fabric after to scrim surfaces by baking and curing, so that being had centainly by pretreated base fabric itself
Antibacterial ability.
The present invention is further arranged to: the PU cold coating includes the component of following parts by weight:
The present invention is further arranged to: the composite powder includes following components in percentage by weight:
By using above-mentioned technical proposal, polyurethane powder is the main component film forming matter of face mask layer, dimethyl formyl
Amine and methyl ethyl ketone are solvent, have preferable compatibility with polyurethane powder and the organic material of other additions, in facial mask
When carrying out heating, drying after the completion of layer coating, solvent volatilizees so that face mask layer solidifies.Colorant is for adjusting layers of polyvinyl chloride films
Color, so that its color is similar to cladding.N-butyl -1,2- isothiazoline -3- ketone has antibacterial characteristics in composite powder, carries
Silver ion zeolite inhibits the microorganism near it by the silver ion adsorbed, then by ethyl acetate to carrying silver ion
The dispersibility of zeolite is evenly dispersed in carrying silver ion zeolite in face mask layer, so that the antibacterial ability of artificial leather
It gets a promotion.
The present invention is further arranged to: the foamed coating includes the component of following parts by weight:
The present invention is further arranged to: include following components in percentage by weight in the stabilizer:
Aluminum stearate 30~40%；
Potassium stearate 20~30%；
Rare-earth stabilizer 30~50%.
By using above-mentioned technical proposal, by using above-mentioned technical proposal, polyvinyl chloride powder is as in foamed coating
Main component, dioctyl phthalate, dioctyl phthalate and butyl benzyl phthalate three are as plasticising
Agent ingredient plays the role of Corvic to weaken the Van der Waals force between polymer molecule, so that between strand
Mobility increases, and reduces crystallinity, improves plasticity and flexibility.Aluminum stearate, potassium stearate and rare-earth stabilizer three can be with
Inhibit polyvinyl chloride that its thermal decomposition is inhibited to act on when heated, to prevent its generation hydrogen chloride gas to the solidification of polyvinyl chloride
Generate the adverse effects such as cracking.
The present invention is further arranged to: the gluing coating includes the component of following parts by weight；
The present invention is further arranged to: the antibacterial powder includes following components in percentage by weight:
By using above-mentioned technical proposal, polyurethane binder plays main adhesive effect in adhesive layer, therein
Methyl ethyl ketone is used as solvent, during heating, drying, volatilizees and polyurethane resin is made to be cured crosslinking, in base fabric
Fibrous strands are combined, so that base fabric be bonded.Filler material of the calcium carbonate as resin, the surface hardness after drying can be increased
And volume change when reduction drying, thus to prevent from cracking.In antibacterial powder, titanate coupling agent to Zinc oxide powder with
And perlite powder has the effect of enhancing dispersibility, area also has chitosan certain emulsion dispersion effect, thus
So that the combination between Zinc oxide powder and perlite powder and base fabric fiber is even closer, Zinc oxide powder and perlite are improved
The adhesive strength of powder.Zinc oxide has certain inhibiting effect for microorganisms such as bacteriums, and principle is metal oxide
Bacterium proper constituent can be caused to be destroyed or occur dysfunction with bacterium haptoreaction, so as to cause bacterial death.Reason
It is often with negative electrical charge on the cell membrane of microorganism, metal ion can be securely adsorbed on cell membrane by attractive coulombic force, be made thin
The protein coagulating of bacterium destroys the cell synthase activity of bacterium, makes cell loss division growth ability and dead, to play
Antibacterial action.
Compared with prior art, the beneficial effects of the present invention are:
1, complex role is carried out by adding antibacterial material in face mask layer and adhesive layer, to obtain with antibacterial bacteriostatic
The artificial leather material of effect；
2, the hot pressing by transfer paper in base fabric, so that the antibacterial material in face mask layer and adhesive layer permeates, hair
Raw synergy, to improve the antibacterial ability of artificial leather.
Detailed description of the invention
Fig. 1 is process flow chart of the invention.
Specific embodiment
With reference to the accompanying drawings and examples, the present invention will be described in detail.
Embodiment 1:
Referring to Fig.1, the preparation process of a kind of sofa artificial leather disclosed by the invention, comprises the following steps that:
S1: prepare PU cold coating: ratio in parts by weight is by 80 parts of polyurethane powder, 10 parts of dimethylformamide, first
10 parts of ethyl ketone, 4 parts of colorant, 2 parts of composite powder and 0.5 part of heating stirring of wetting agent are uniformly spare.
Wherein, composite powder includes following components in percentage by weight:
Prepare foamed coating: in parts by weight ratio by 80 parts of polyvinyl chloride powder, 60 parts of plasticizer, 1 part of stabilizer, hair
2 parts of infusion, 8 parts of surfactant, 1 part of filler material and 4 parts of heating stirrings of mill base are uniform.
Wherein, include following components in percentage by weight in stabilizer:
Aluminum stearate 30%；
Potassium stearate 20%；
Rare-earth stabilizer 50%.
Prepare gluing coating: ratio in parts by weight is by 80~120 parts of polyurethane binder, 2~4 parts of stabilizer, first and second
40~60 parts of ketone, 3~5 parts of calcium carbonate and 5~8 parts of heating stirrings of antibacterial powder are uniform.
Wherein, antibacterial powder includes following components in percentage by weight:
S2: pre-processing base fabric using pretreatment fluid, includes the component of following parts by weight in pretreatment fluid:
S3: PU cold coating is uniformly coated in release paper, is then dried at 100~130 DEG C, is obtained face mask layer；
S4: coating foamed coating on face mask layer, then dries at 170~200 DEG C again, obtains foaming layer；
S5: gluing coating is coated in foaming layer, then dries at 150~160 DEG C, obtains adhesive layer；
S6: base fabric is hot-pressed on adhesive layer, is wound after then stripping release paper, and ready-made clothes leather is obtained.
Embodiment 2~5 the difference from embodiment 1 is that: each component is calculated by weight as following table in PU cold coating.
Embodiment 6~9 the difference from embodiment 1 is that: each component is following table by weight percentage in composite powder.
Embodiment 11~14 the difference from embodiment 1 is that: each component is calculated by weight as following table in foaming layer.
Embodiment 15~18 the difference from embodiment 1 is that: each component is following table by weight percentage in stabilizer.
| Embodiment | Aluminum stearate | Potassium stearate | Rare-earth stabilizer |
| Embodiment 15 | 32.5 | 22.5 | 45 |
| Embodiment 16 | 35 | 25 | 40 |
| Embodiment 17 | 37.5 | 27.5 | 35 |
| Embodiment 18 | 40 | 30 | 30 |
Embodiment 19~22 the difference from embodiment 1 is that: each component is calculated by weight as following table in gluing coating.
Embodiment 23~26 the difference from embodiment 1 is that: each component is following table by weight percentage in antibacterial powder.
Embodiment 27~30 the difference from embodiment 1 is that: each component is calculated by weight as following table in pretreatment fluid.
Comparative example
Comparative example 1 the difference from embodiment 1 is that: base fabric be not used pretreatment fluid processing；
Comparative example 2 the difference from embodiment 1 is that: be not added with composite powder in PU cold coating；
Comparative example 3 the difference from embodiment 1 is that: antibacterial powder has been not added in gluing coating；
Comparative example 4 the difference from embodiment 1 is that: base fabric is not used pretreatment fluid processing, is not added in PU cold coating
Antibacterial powder has been not added in composite powder and gluing coating.
Detection method
Antibacterial test
Anti-microbial property test: AATCC-90 test method(s): inoculation test bacterium (mould) on agar medium, then be close to try
Sample, after being cultivated for 24 hours at 37 DEG C, with the haloing size of aseptic area around amplification sem observation mushroom breeding situation and sample.It prevents
Bandwidth is successively increased by 1 grade to 10 grades.Bandwidth is prevented to represent the size of antibacterial efficacy.
Conclusion: the prevention bandwidth rank that can be seen that embodiment 1 by upper table is maximum, comparative example 1,2,3 and 4 and reality
The prevention bandwidth that example 1 is below embodiment 1 is applied, illustrates that PU cold coating is added in composite powder, antibacterial powder is added gluing and applies
When material and pretreatment fluid processing base fabric three operate simultaneously, the collaboration facilitation effect of formation is best, and the inhibition of bacterium is imitated
Fruit is best.Then gone by comparative example, be compared between 2,3,4 again it can be concluded that, antibacterial powder, composite powder and pre- place
Reason liquid all has certain antibacterial effect.
The above is only a preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-mentioned implementation
Example, all technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art
Those of ordinary skill for, several improvements and modifications without departing from the principles of the present invention, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (8)
1. a kind of preparation process of sofa artificial leather, it is characterised in that: comprise the following steps that:
S1: PU cold coating, foamed coating and gluing coating are prepared；
S2: base fabric is pre-processed；
S3: PU cold coating is uniformly coated in release paper, is then dried at 100~130 DEG C, is obtained face mask layer；
S4: coating foamed coating on face mask layer, then dries at 170~200 DEG C again, obtains foaming layer；
S5: gluing coating is coated in foaming layer, then dries at 150~160 DEG C, obtains adhesive layer；
S6: base fabric is hot-pressed on adhesive layer, is wound after then stripping release paper, and ready-made clothes leather is obtained.
2. a kind of preparation process of sofa artificial leather according to claim 1, it is characterised in that: used in the preprocessing process
Pretreatment fluid pre-processes base fabric, and the pretreatment fluid includes the component of following parts by weight:
3. a kind of preparation process of sofa artificial leather according to claim 1, it is characterised in that: the PU cold coating include with
The component of lower parts by weight:
4. a kind of preparation process of sofa artificial leather according to claim 1, it is characterised in that: the composite powder includes following
The component of weight percent:
5. a kind of preparation process of sofa artificial leather according to claim 1, it is characterised in that: the foamed coating includes following
The component of parts by weight:
6. a kind of preparation process of sofa artificial leather according to claim 5, it is characterised in that: include following in the stabilizer
The component of weight percent:
Aluminum stearate 30~40%；
Potassium stearate 20~30%；
Rare-earth stabilizer 30~50%.
7. a kind of preparation process of sofa artificial leather according to claim 1, it is characterised in that: the gluing coating includes following
The component of parts by weight；
8. a kind of preparation process of sofa artificial leather according to claim 1, it is characterised in that: the antibacterial powder includes following
The component of weight percent:
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910692639.3A CN110387749A (en) | 2019-07-30 | 2019-07-30 | A kind of preparation process of sofa artificial leather |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910692639.3A CN110387749A (en) | 2019-07-30 | 2019-07-30 | A kind of preparation process of sofa artificial leather |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1519274A (en) * | 2003-07-29 | 2004-08-11 | 烟台万华超纤股份有限公司 | Polyurethane leather modified by inorganic nano powder mateial and preparation method |
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Application publication date: 20191029 |