CN108587425A - A kind of formula and technique of the photocatalyst aqueous Synthetic Leather of antibacterial - Google Patents
A kind of formula and technique of the photocatalyst aqueous Synthetic Leather of antibacterial Download PDFInfo
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- CN108587425A CN108587425A CN201710302680.6A CN201710302680A CN108587425A CN 108587425 A CN108587425 A CN 108587425A CN 201710302680 A CN201710302680 A CN 201710302680A CN 108587425 A CN108587425 A CN 108587425A
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- 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
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- 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
- C09D5/14—Paints containing biocides, e.g. fungicides, insecticides or pesticides
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- 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
- C09D5/1606—Antifouling paints; Underwater paints characterised by the anti-fouling agent
- C09D5/1612—Non-macromolecular compounds
- C09D5/1618—Non-macromolecular compounds inorganic
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- 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
- C09D5/1687—Use of special additives
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- 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
- C09D5/18—Fireproof paints including high temperature resistant paints
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- 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
- C09D5/24—Electrically-conducting paints
-
- 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
-
- 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
-
- 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
- D06N3/0088—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
-
- 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
- D06N3/142—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 mixture of polyurethanes with other resins in the same layer
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2237—Oxides; Hydroxides of metals of titanium
- C08K2003/2241—Titanium dioxide
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/017—Additives being an antistatic agent
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/04—Antistatic
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- Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Textile Engineering (AREA)
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- Dispersion Chemistry (AREA)
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- Plant Pathology (AREA)
- Synthetic Leather, Interior Materials Or Flexible Sheet Materials (AREA)
Abstract
The invention discloses a kind of formulas of the photocatalyst aqueous Synthetic Leather of antibacterial, including coating solution；Coating solution includes following components ratio：Aqueous polyurethane emulsion 12.4%~88.2799%；Filler 15%~35%；Ammonium stearate emulsion 3%~10%；Foaming agent 0.5%~1%；Nano-titanium dioxide 0.5%~3%；Nano silicon dioxide 1%~5%；Graphene 0.0001%~0.01%；Levelling agent 0.5%~2.5%；Anti-adhesion agent 1%~3%；Ammonium hydroxide 0.5%~1%；Aqueous color paste 0.02%~8%；Thickener 0.5%~1.5%.Technique：Formula material is added, agitation and filtration adjusts viscosity, obtains coating solution；Coating foams are made in coating solution, are coated in leather base cloth；Drying；Post-processing and surface treatment, obtain finished product.Present invention gives synthetic leather self-cleaning, uvioresistant and antibacterial ability, does not influence synthetic leather fastness and feel.
Description
【Technical field】
The present invention relates to the technical field of Waterborne synthetic leather final finishing technology, especially a kind of photocatalyst aqueous poly- ammonia of antibacterial
The formula of Lipase absobed leather and the technical field of technique.
【Background technology】
China is faced as artificial leather synthetic leather big producer while enterprise production, total industrial output value steady-state growth
Pressure it is also increasing, especially export European market.European chemistry management board formally discloses the 8th batch of highest attention object
Matter candidate list, including n,N-Dimethylformamide (DMF).It is put into effect as defined in this, synthetic leather is produced look forward to again
Industry proposes baptism.
Manufacturing enterprise of China uses traditional solvent type polyurethane resin to manufacture synthetic leather, point of the solvent as resin substantially
Dispersion media is largely the organic solvents such as poisonous and hazardous dimethylformamide, toluene, acetone, butanone, the content in resin
Up to 70-80%.These solvents can't recycle completely at present, not only cause environmental pollution at product end, but also producing
Employee's health is seriously endangered in journey.
Waterborne synthetic leather replaces conventional oil-based synthetic leather already to become development trend, has emerged in large numbers already currently on the market a large amount of
So-called Waterborne synthetic leather, but these Waterborne synthetic leathers are not the ecological water that can really substitute oiliness synthetic leather on the whole
Property synthetic leather, many producers used on oiliness bass carry out aqueous polyurethane dry process veneer product emit water bearing synthesis
Leather；Also have using wet method water solidifying process, which generates a large amount of industrial wastewaters in process of production, and directly formula is to environment
It causes seriously to pollute, drying energy consumption is big, and produces poor controllability, recycles of high cost, unstable product quality, technology is not yet
It is ripe；The dry process for more also using release paper to shift, the technique in release paper, divide aqueous polyurethane slurry coating
Foaming layer, adhesive layer, face layer are transferred in leather base cloth three times, and cell stability, lack of homogeneity, the folding line resilience of coating apply
Decorative pattern shape-retaining ability of the layer after water is rubbed, constancy are also it is still necessary to improve, and release paper single side is permeable, slow drying speed, low production efficiency,
Largely using release paper to cause, increased production cost.
In addition, existing oiliness and Waterborne synthetic leather function are all relatively simple, do not have antibiotic ultraviolet-resistant function, and such as
Fruit simply sticks antibiotic layer or coats anti-biotic material, can influence the feel and gas permeability of resultant Leather.
【Invention content】
The purpose of the present invention is exactly to solve the problems of the prior art, proposes a kind of photocatalyst aqueous polyurethane synthesis of antibacterial
The formula and technique of leather impart self-cleaning synthetic leather, uvioresistant in the case where not influencing synthetic leather fastness and feel and resist
Bacterium sterilizing ability substantially increases the service life of synthetic leather.It is discharged without sewage exhaust gas in production process, energy conservation and environmental protection, and nothing
Hazardous solvent volatilizees, and will not endanger employee's health, be real cleanning tan leater production technology.
To achieve the above object, the present invention proposes a kind of formula and work of photo-catalytic modified waterborne polyurethane synthetic leather
Skill, including coating solution；The coating solution includes following components and each component ratio is：
Preferably, the ammonium stearate emulsion includes component：Stearic acid, ammonium hydroxide, lauryl sodium sulfate, water.
Preferably, the ammonium hydroxide is 20% ammonium hydroxide, ammonium stearate emulsion component ratio is stearic acid 15%~35%, ammonia
Water 6%~14%, lauryl sodium sulfate 1%~3%, surplus are water.
The present invention proposes a kind of technique of the photocatalyst aqueous Synthetic Leather of antibacterial, including is as follows：
Raw material in coating solution in addition to thickener is put into container according to formula rate, is stirred with dispersion by a) prepared coating liquid
The machine of mixing stirs evenly, and after filtering, thickener is added and adjusts viscosity；
B) coating foams are made by Intelligent Dynamic foam maker in prepared coating solution, then by coating foams
It is coated in leather base cloth, coating amount is accurately controlled by computer, and applied thickness requires to adjust according to different leather goods；
C) it is dried by baking oven after the completion of applying, obtains the photocatalyst aqueous polyurethane foam synthetic leather of antibacterial；
D) the photocatalyst aqueous polyurethane foam synthetic leather of antibacterial is post-processed and is surface-treated, post-processing includes pressure
Flower, stamp, printing or tan line obtain the photocatalyst aqueous Synthetic Leather finished product of antibacterial.
Preferably, in a) step, the mixing speed of dispersator is 500~2900 revs/min.
Preferably, in the b) step, the expansion ratio of coating solution is 1~15 times.
Preferably, in the b) step, the mode of coating foam application to leather base cloth is cutter painting, roller coating or roller
It applies.
Preferably, in the c) step, the drying temperature of baking oven is 50 DEG C~200 DEG C, carries out multistage temperature control, and segmentation rises
Temperature.
Beneficial effects of the present invention：
1, by graphene modified aqueous polyurethane, producing foamed synthetic leather, wear resistance, which has, to be substantially improved, and is saved dry
The process of method pad pasting, and assign that synthetic leather is antistatic, fire-retardant and waterproof special-effect.And changed by adding nano-titanium dioxide
Property aqueous polyurethane, aqueous polyurethane is modified by nano-titanium dioxide, then is produced by foaming technique aqueous
Ecological synthetic leather not only have nanometer titanium dioxide antibiotic sterilization, uvioresistant and self-cleaning property, and do not influence
The gas permeability of resultant Leather, feel remain unchanged plentiful smooth soft, physical properties excellent, also substantially increase the service life of synthetic leather.
2, simple production process is saved water and energy, and is also discharged without sewage exhaust gas in production process, is met environmental requirement.
The feature and advantage of the present invention will be described in detail by embodiment combination attached drawing.
【Description of the drawings】
Fig. 1 is a kind of embossing synthetic leather flow sheet of photo-catalytic modified waterborne polyurethane synthetic leather of the present invention；
Fig. 2 is a kind of printed synthetic leather flow sheet of photo-catalytic modified waterborne polyurethane synthetic leather of the present invention.
【Specific implementation mode】
Refering to fig. 1 and Fig. 2, a kind of formula of the photocatalyst aqueous Synthetic Leather of antibacterial of the present invention, including coating solution；Institute
State that coating solution includes following components and each component ratio is：
The ammonium stearate emulsion includes component：Stearic acid, ammonium hydroxide, lauryl sodium sulfate, water.The ammonium hydroxide is 20%
Ammonium hydroxide, ammonium stearate emulsion component ratio is stearic acid 20%, ammonium hydroxide 7%, lauryl sodium sulfate 1%, surplus are water.
A kind of technique of the photocatalyst aqueous Synthetic Leather of antibacterial, including be as follows：
Raw material in coating solution in addition to thickener is put into container according to formula rate, is stirred with dispersion by a) prepared coating liquid
The machine of mixing stirs evenly, and after filtering, thickener is added and adjusts viscosity；
B) coating foams are made by Intelligent Dynamic foam maker in prepared coating solution, then by coating foams
It is coated in leather base cloth, coating amount is accurately controlled by computer, and applied thickness requires to adjust according to different leather goods；
C) it is dried by baking oven after the completion of applying, obtains the photocatalyst aqueous polyurethane foam synthetic leather of antibacterial；
D) the photocatalyst aqueous polyurethane foam synthetic leather of antibacterial is post-processed and is surface-treated, post-processing includes pressure
Flower, stamp, printing or tan line obtain the photocatalyst aqueous Synthetic Leather finished product of antibacterial.
In a) step, the mixing speed of dispersator is 500~2900 revs/min.In the b) step, coating solution
Expansion ratio be 1~15 times.In the b) step, the mode of coating foam application to leather base cloth be cutter painting, roller coating or
Roller coating.In the c) step, the drying temperature of baking oven is 50 DEG C~200 DEG C, carries out multistage temperature control, temperature-gradient method.
Embodiment 1：
Prepared coating liquid, in following ratio：
The raw material of the formula ratio in addition to thickener is sequentially added in a reservoir, dispersion stirring uniform with dispersator
The mixing speed of machine is 1200 revs/min, after filtering, thickener is added and adjusts viscosity, obtains coating solution.
10 times of coating foams are made by Intelligent Dynamic foam maker in prepared coating solution, then by coating foam
Body is coated in leather base cloth, and application pattern is cutter painting, roller coating or roller coating, and coating amount is accurately controlled by computer, applied thickness
It requires to adjust according to different leather goods.
It is dried by baking oven after the completion of coating, carries out multistage temperature control, temperature-gradient method, temperature is 50 DEG C~200 DEG C, is obtained in one's hands
Feel the very soft and flexible photocatalyst aqueous polyurethane foam synthetic leather of antibacterial.
The photocatalyst aqueous polyurethane foam synthetic leather of antibacterial is post-processed and is surface-treated, post-processing include be embossed,
Stamp, printing or tan line obtain the photocatalyst aqueous polyurethane foam synthetic leather products of antibacterial of various different-styles.
Embodiment 2：
Prepared coating liquid, in following ratio：
The raw material of the formula ratio in addition to thickener is sequentially added in a reservoir, dispersion stirring uniform with dispersator
The mixing speed of machine is 1500 revs/min, after filtering, thickener is added and adjusts viscosity, obtains coating solution.
15 times of coating foams are made by Intelligent Dynamic foam maker in prepared coating solution, then by coating foam
Body is coated in leather base cloth, and application pattern is cutter painting, roller coating or roller coating, and coating amount is accurately controlled by computer, applied thickness
It requires to adjust according to different leather goods.
It is dried by baking oven after the completion of coating, carries out multistage temperature control, temperature-gradient method, temperature is 50 DEG C~200 DEG C, is obtained in one's hands
Feel the very soft and flexible photocatalyst aqueous polyurethane foam synthetic leather of antibacterial.
The photocatalyst aqueous polyurethane foam synthetic leather of antibacterial is post-processed and is surface-treated, post-processing include be embossed,
Stamp, printing or tan line obtain the photocatalyst aqueous polyurethane foam synthetic leather products of antibacterial of various different-styles.
The present invention, it is second generation Waterborne synthetic leather production technology that the dry method used, which directly applies technique, and technological process is succinct, operation
Simplicity, computer accurately control, and degree of controllability is high, pass through cutter painting, roller coating, roller coating after only prepared coating paste need to foam
Mode is applied in leather base cloth, and drying both obtains semi-finished product, can then use embossing, stamp instead of traditional release paper veneer work
Skill remains the gas permeability of product to the greatest extent.Nano-titanium dioxide as most common photocatalyst metal oxide material,
And because its excellent uvioresistant performance, antibiotic and sterilizing performance, self-cleaning ability and ageing resistance play in many industries
Huge potential, aqueous polyurethane pass through the modification of nano-titanium dioxide, then the foaming bass produced by foaming technique
Not only have nanometer titanium dioxide antibiotic sterilization, uvioresistant and these self-cleaning properties, and substantially increases product
Service life, then by graphene modified aqueous polyurethane, after producing foamed synthetic leather, the wear resistance of its film has substantially carries
It rises, the process for saving dry-method film coating, and assign synthetic leather there is antistatic, fire-retardant and waterproof special-effect.Product feel is rich
Full likelihood skin, physical property can reach testing standard, have many advantages, such as high scratch resistance, water-proof breathable properties, can be embossed stamp, substitute
Corium and oiliness synthetic leather, simple production process, no pollution, zero-emission, good environmental protection.
Above-described embodiment is the description of the invention, is not limitation of the invention, it is any to simple transformation of the present invention after
Scheme all belong to the scope of protection of the present invention.
Claims (8)
1. a kind of formula of the photocatalyst aqueous Synthetic Leather of antibacterial, including coating solution；The coating solution includes following components
And each component ratio is：
2. a kind of formula of the photocatalyst aqueous Synthetic Leather of antibacterial as described in claim 1, it is characterised in that：It is described hard
Resin acid ammonium lotion includes component：Stearic acid, ammonium hydroxide, lauryl sodium sulfate, water.
3. a kind of formula of the photocatalyst aqueous Synthetic Leather of antibacterial as claimed in claim 2, it is characterised in that：The ammonia
Water is 20% ammonium hydroxide, and ammonium stearate emulsion component ratio is stearic acid 15%~35%, ammonium hydroxide 6%~14%, dodecyl sulphur
Sour sodium 1%~3%, surplus are water.
4. a kind of technique of the photocatalyst aqueous Synthetic Leather of antibacterial, it is characterised in that：Including being as follows：
Raw material in coating solution in addition to thickener is put into container according to formula rate, uses dispersator by a) prepared coating liquid
It stirs evenly, after filtering, thickener is added and adjusts viscosity；
B) coating foams are made by Intelligent Dynamic foam maker in prepared coating solution, then by coating foam application
Onto leather base cloth, coating amount is accurately controlled by computer, and applied thickness requires to adjust according to different leather goods；
C) it is dried by baking oven after the completion of applying, obtains the photocatalyst aqueous polyurethane foam synthetic leather of antibacterial；
D) the photocatalyst aqueous polyurethane foam synthetic leather of antibacterial is post-processed and is surface-treated, post-processing includes embossing, print
Flower, printing or tan line, obtain the photocatalyst aqueous Synthetic Leather finished product of antibacterial.
5. a kind of technique of the photocatalyst aqueous Synthetic Leather of antibacterial as claimed in claim 4, it is characterised in that：It is described a)
In step, the mixing speed of dispersator is 500~2900 revs/min.
6. a kind of technique of the photocatalyst aqueous Synthetic Leather of antibacterial as claimed in claim 4, it is characterised in that：It is described b)
In step, the expansion ratio of coating solution is 1~15 times.
7. a kind of technique of the photocatalyst aqueous Synthetic Leather of antibacterial as claimed in claim 4, it is characterised in that：It is described b)
In step, the mode of coating foam application to leather base cloth is cutter painting, roller coating or roller coating.
8. a kind of technique of the photocatalyst aqueous Synthetic Leather of antibacterial as claimed in claim 4, it is characterised in that：It is described c)
In step, the drying temperature of baking oven is 50 DEG C~200 DEG C, carries out multistage temperature control, temperature-gradient method.
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| CN201710302680.6A CN108587425A (en) | 2017-05-03 | 2017-05-03 | A kind of formula and technique of the photocatalyst aqueous Synthetic Leather of antibacterial |
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| CN201710302680.6A CN108587425A (en) | 2017-05-03 | 2017-05-03 | A kind of formula and technique of the photocatalyst aqueous Synthetic Leather of antibacterial |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109537301A (en) * | 2018-11-26 | 2019-03-29 | 蚌埠星烁新材料科技有限公司 | A method of synthetic leather functional coating is prepared with solution casting method final finishing technology |
| CN110656507A (en) * | 2019-10-31 | 2020-01-07 | 佛山市威弘皮革有限公司 | Full-aqueous artificial leather multiple treatment process |
| CN111535041A (en) * | 2020-05-18 | 2020-08-14 | 山东树桥新材料有限公司 | Full-aqueous nano antibacterial ecological synthetic leather |
| CN111535036A (en) * | 2019-09-26 | 2020-08-14 | 苏州美山子制衣有限公司 | Foamed PU (polyurethane) loaded nano photocatalyst material fabric and preparation method thereof |
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| CN109537301A (en) * | 2018-11-26 | 2019-03-29 | 蚌埠星烁新材料科技有限公司 | A method of synthetic leather functional coating is prepared with solution casting method final finishing technology |
| CN112144291A (en) * | 2019-06-27 | 2020-12-29 | 浙江昶丰新材料有限公司 | Aqueous antistatic slurry, preparation method and synthetic leather prepared from slurry |
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| CN112359609A (en) * | 2020-05-18 | 2021-02-12 | 山东树桥新材料有限公司 | Reusable nano antibacterial biochemical protective fabric and production process thereof |
| CN113981710A (en) * | 2021-11-19 | 2022-01-28 | 龙纤精密纺织有限公司 | Preparation method of artificial synthetic leather containing nitrogen-containing titanium dioxide |
| CN114606779A (en) * | 2022-03-20 | 2022-06-10 | 宋金火 | Formula and process of antibacterial photocatalyst aqueous polyurethane synthetic leather |
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