CN106566357A - Antibacterial leather coating and preparation method thereof - Google Patents
Antibacterial leather coating and preparation method thereof Download PDFInfo
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- CN106566357A CN106566357A CN201610979601.0A CN201610979601A CN106566357A CN 106566357 A CN106566357 A CN 106566357A CN 201610979601 A CN201610979601 A CN 201610979601A CN 106566357 A CN106566357 A CN 106566357A
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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
- C09D151/00—Coating compositions based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Coating compositions based on derivatives of such polymers
- C09D151/003—Coating compositions based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Coating compositions based on derivatives of such polymers grafted on to macromolecular compounds obtained by reactions only involving unsaturated carbon-to-carbon bonds
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F265/00—Macromolecular compounds obtained by polymerising monomers on to polymers of unsaturated monocarboxylic acids or derivatives thereof as defined in group C08F20/00
- C08F265/10—Macromolecular compounds obtained by polymerising monomers on to polymers of unsaturated monocarboxylic acids or derivatives thereof as defined in group C08F20/00 on to polymers of amides or imides
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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
- C08K3/02—Elements
- C08K3/08—Metals
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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
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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
- C08K9/00—Use of pretreated ingredients
- C08K9/12—Adsorbed ingredients, e.g. ingredients on carriers
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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
-
- 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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
-
- 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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/70—Additives characterised by shape, e.g. fibres, flakes or microspheres
-
- C—CHEMISTRY; METALLURGY
- C14—SKINS; HIDES; PELTS; LEATHER
- C14C—CHEMICAL TREATMENT OF HIDES, SKINS OR LEATHER, e.g. TANNING, IMPREGNATING, FINISHING; APPARATUS THEREFOR; COMPOSITIONS FOR TANNING
- C14C11/00—Surface finishing of leather
- C14C11/003—Surface finishing of leather using macromolecular compounds
-
- 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
- C08K3/02—Elements
- C08K3/08—Metals
- C08K2003/0806—Silver
-
- 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
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
-
- 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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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Polymers & Plastics (AREA)
- Medicinal Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Inorganic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Plant Pathology (AREA)
- Treatment And Processing Of Natural Fur Or Leather (AREA)
Abstract
The invention discloses an antibacterial leather coating being composed of, by weight, 1.7-2 parts of polyvinylpyrrolidone, 0.8-1 part of polyacrylamide, 1.6-2 parts of stannous chloride, 0.1-0.13 parts of triethanolamine, 190-200 parts of methyl methacrylate, 3-4 parts of lauryl sodium sulfate, 0.1-0.2 parts of urotropine, 0.2-0.3 parts of ammonium persulfate, 6-7 parts of a 20-25% formaldehyde solution, 16-20 parts of zinc acetate, and 4-7 parts of silver nitrate. The coating has good antibacterial property and excellent water vapor permeability and water resistance. Leather coated with the emulsion has excellent antibacterial property and excellent sanitary performance.
Description
Technical field
The present invention relates to leather coating technical field, more particularly to a kind of antibacterial leather coating and preparation method thereof.
Background technology
Leather finishing agent/spinning coating agent is a kind of macromolecule compound for being spread evenly across leather/textile surface.It
One or more layers thin film is formed in leather/fabric face by adhesive effect.Therefore, coating material quality, not only directly affects
Product appearance, quality, and decides the performance of product to a great extent.Polyacrylate dispersion has the flexible richness of film forming
It is flexible, it is the leather-like spinning coating of for being widely used at present the features such as coating is fast light, ageing-resistant, wet-rub resistance can be excellent
Material.But, the presence of some polar groups in conventional polypropylene acid esters emulsion, and product storing, transports, using process
In affected by environmental condition, often occur go mouldy, the phenomenon such as bacteria breed, raw material is not only wasted when serious, and
The important propagating source of disease can be become, human health is endangered.At the same time, coating material defines one in leather/fabric face
Layer fine and close thin film, the perspiration that Severe blockage human body is distributed diffuses to the passage in the external world, causes the health of leather goods/textile
Performance suffers extreme influence, and snugness of fit declines.In recent years, with the continuous improvement of human living standard, research and development are anti-
Leather/weaving that bacterium property is prominent, sanitation performance is excellent is extremely urgent with coating material.
It is that target exploitation nano-ZnO and nanometer ZO/Ag are compound to improve the antibiotic property of polyacrylate coatings, sanitation performance
The antibiotic property of particle, prevents coating breed bacteria, goes mouldy；It is huge using nanometer ZO and nano-ZnO/Ag compound particles
Specific surface area, improves the sanitation performance of coating.
Nano material itself has the features such as size is little, and surface energy is high, is thus susceptible to reunion, bad dispersibility.In addition, receiving
In the preparation process of nano composite material, nano material is poor with the affinity of the relatively low polymeric matrix of surface energy, and the two is mutually mixed
It is difficult to compatible during conjunction, space easily occurs in interface, there is phenomenon of phase separation.In order that nano material is evenly dispersed in polymer matrix
It is essential to its modifying surface in body.
The content of the invention
The object of the invention is exactly to make up the defect of prior art, there is provided a kind of antibacterial leather coating and its preparation side
Method.
The present invention is achieved by the following technical solutions：
A kind of antibacterial leather coating, it is made up of the raw material of following weight parts：
Polyvinylpyrrolidone 1.7-2, polyacrylamide 0.8-1, stannous chloride 1.6-2, triethanolamine 0.1-0.13, methyl-prop
E pioic acid methyl ester 190-200, sodium lauryl sulphate 3-4, hexamethylenamine 0.1-0.2, the first of Ammonium persulfate. 0.2-0.3,20-25%
Aldehyde solution 6-7, zinc acetate 16-20, silver nitrate 4-7.
A kind of preparation method of described antibacterial leather coating, comprises the following steps：
（1）Above-mentioned zinc acetate, hexamethylenamine are mixed, in being added to the deionized water of compound weight 60-100 times, stirring is equal
It is even, it is liquid a；
（2）Above-mentioned polyvinylpyrrolidone is added in its weight 20-30 times, 70-75% ethanol solution, is stirred,
Mix with above-mentioned liquid a, ultrasonic 20-30 minutes, in being sent to ptfe autoclave, the microwave hydrothermal 20- at 160-170 DEG C
30 minutes, room temperature is cooled to, is filtered, precipitate with deionized water, ethanol are washed 3-4 time successively, in being placed in baking oven, be dried, obtained
Modified zinc oxide；
（3）Above-mentioned modified zinc oxide, stannous chloride are mixed, in being added to the dehydrated alcohol of compound weight 100-120 times, is surpassed
Sound 3-5 minutes, above-mentioned silver nitrate, triethanolamine are added, stirred, the formalin of the above-mentioned 20-25% of Deca, completion of dropping
After be centrifuged off supernatant, precipitate with deionized water, ethanol are washed 3-4 time successively, in being placed in baking oven, at 90-100 DEG C do
Dry 10-17 minutes, obtain Ag doping modified zinc oxide；
（4）Above-mentioned polyacrylamide is added in the deionized water of its weight 80-100 times, is stirred, add acetic acid or ammonia
Water, regulation pH is 6-7, adds above-mentioned Ag doping modified zinc oxide, ultrasonic 20-30 minutes, obtains modified dispersion liquid；
（5）Above-mentioned Ammonium persulfate. is added in the deionized water of its weight 17-20 times, is stirred；
（6）The 60-70% of above-mentioned methyl methacrylate weight is taken, is mixed with sodium lauryl sulphate, be added to above-mentioned modified point
In dispersion liquid, it is 76-80 DEG C to rise high-temperature, insulated and stirred 10-14 minute, respectively the remaining methyl methacrylate of Deca and over cure
Sour aqueous ammonium, insulation reaction 120-130 minute after completion of dropping, discharging adds remaining each raw material, stirs to room temperature, obtains institute
State coating.
A kind of described antibacterial leather coating, the using method of the coating is：At the front coating ultrasound by the present invention
Reason 20-30 minutes, leather surface, normal temperature drying, in 76-80 DEG C, the bar of 80bar are sprayed under the pressure of 0.2MPa with spray gun
Press under part, spray the coating of the present invention, normal temperature drying again afterwards, you can.
It is an advantage of the invention that：Zinc oxide particles are evenly dispersed into the ethanol solution of stannous chloride by the present invention first
In, Sn2+ will promptly be adsorbed onto zinc oxide surface；Then, the ethanol solution of Ag (TEA) 2+ is added in above-mentioned reactant liquor,
Sn2+ can occur ion-exchange reactionss with Ag (TEA) 2+ for adding so that Ag+ absorption forms silver-colored kind in zinc oxide surface；Reaction
In the later stage, gradually Deca formalin and persistently stir in solution, make Ag be reduced into Ag granules；
Preferably, being introduced in polyacrylate can effectively prevent water to ZnO/Ag compound particles resistance to water of the present invention itself
Molecule infiltration is in thin film, and then the water absorption rate of reduction laminated film, improves its resistance to water；
ZnO/Ag compound particles of the present invention have good anti-microbial property, and under illumination condition, ZnO surfaces produce substantial amounts of
Electronics and hole, the electronics that nanometer Ag capture is generated, obtain Ag-, and then, Ag- reacts with the oxygen molecule of ZnO surface adsorption, raw
Into superoxide ion;Superoxide ion further reacts with water, generates perhydroxyl radical and hydrogen peroxide;The H2O of hole and ZnO surface adsorption or
HO- ionic reactions, form the activity hydroxy with strong oxidizing property, and activity hydroxy mutually merges generation hydrogen peroxide.Activity hydroxy
Oxidability is most strong in water body oxidant, and can degrade many Organic substances；Additionally, oxidant superoxide ion, hydrogen peroxide, mistake
Hydroxyl etc. can destroy biological cell by the effect of the biomacromolecules such as oxidation reaction and protein, enzyme, lipid and nucleic acid
Structure, so as to kill antibacterial.In course of reaction, silver ion plays catalytic active center, and itself is not consumed.Nanometer Ag
Because granularity is minimum, specific surface area big, surface energy is higher, is easily adsorbed by various antibacterials, so just constrains the work of antibacterial
It is dynamic, the disorderly imbalance of living environment of antibacterial is made, suppress it to breathe, ultimately result in antibacterial and occur " contact is dead ".
After there is the coating of the present invention good antibiotic property, excellent water vapor permeability and resistance to water, gained emulsion to cover with paint, lacquer, colour wash, etc.
Leather antibacterial is good, sanitation performance is excellent.
Specific embodiment
A kind of antibacterial leather coating, it is made up of the raw material of following weight parts：
Polyvinylpyrrolidone 1.7, polyacrylamide 0.8, stannous chloride 1.6, triethanolamine 0.1, methyl methacrylate
190th, sodium lauryl sulphate 3, hexamethylenamine 0.1, the formalin 6 of Ammonium persulfate. 0.2,20%, zinc acetate 16, silver nitrate 4.
A kind of preparation method of described antibacterial leather coating, comprises the following steps：
（1）Above-mentioned zinc acetate, hexamethylenamine are mixed, in being added to the deionized water of 60 times of compound weight, is stirred, be
Liquid a；
（2）Above-mentioned polyvinylpyrrolidone is added in 20 times of its weight, 70% ethanol solution, is stirred, it is and above-mentioned
Liquid a mixes, ultrasound 20 minutes, and in being sent to ptfe autoclave, microwave hydrothermal 20 minutes at 160 DEG C are cooled to often
Temperature, filters, and precipitate with deionized water, ethanol are washed successively 3 times, in being placed in baking oven, is dried, and obtains modified zinc oxide；
（3）Above-mentioned modified zinc oxide, stannous chloride are mixed, in being added to the dehydrated alcohol of 100 times of compound weight, ultrasound 3
Minute, above-mentioned silver nitrate, triethanolamine are added, stir, the formalin of Deca above-mentioned 20%, centrifugation after completion of dropping is removed
Supernatant is removed, precipitate with deionized water, ethanol are washed successively 3 times, in being placed in baking oven, be dried 10 minutes at 90 DEG C, obtain silver-colored
Doping vario-property Zinc Oxide；
（4）Above-mentioned polyacrylamide is added in the deionized water of 80 times of its weight, is stirred, add acetic acid or ammonia,
It is 6 to adjust pH, adds above-mentioned Ag doping modified zinc oxide, ultrasound 20 minutes to obtain modified dispersion liquid；
（5）Above-mentioned Ammonium persulfate. is added in the deionized water of 17 times of its weight, is stirred；
（6）The 60% of above-mentioned methyl methacrylate weight is taken, is mixed with sodium lauryl sulphate, be added to above-mentioned modified dispersion
In liquid, it is 76 DEG C to rise high-temperature, insulated and stirred 10 minutes, and respectively the remaining methyl methacrylate of Deca and Ammonium persulfate. are water-soluble
Liquid, insulation reaction 120 minutes after completion of dropping, discharging adds remaining each raw material, stirs to room temperature, obtains the coating.
A kind of described antibacterial leather coating, the using method of the coating is：At the front coating ultrasound by the present invention
Reason 20 minutes, with spray gun leather surface is sprayed under the pressure of 0.2MPa, and normal temperature drying is pressed under conditions of 76 DEG C, 80bar
Scald, spray the coating of the present invention, normal temperature drying again afterwards, you can.
Performance test：
Leather after liquid is covered with paint, lacquer, colour wash, etc. is 96.33% to the bacteriostasis rate of Candida albicans, is 80.0% to the bacteriostasis rate of mycete.
Claims (3)
1. a kind of antibacterial leather coating, it is characterised in that it is made up of the raw material of following weight parts：
Polyvinylpyrrolidone 1.7-2, polyacrylamide 0.8-1, stannous chloride 1.6-2, triethanolamine 0.1-0.13, methyl-prop
E pioic acid methyl ester 190-200, sodium lauryl sulphate 3-4, hexamethylenamine 0.1-0.2, the first of Ammonium persulfate. 0.2-0.3,20-25%
Aldehyde solution 6-7, zinc acetate 16-20, silver nitrate 4-7.
2. a kind of preparation method of antibacterial leather coating as claimed in claim 1, it is characterised in that comprise the following steps：
（1）Above-mentioned zinc acetate, hexamethylenamine are mixed, in being added to the deionized water of compound weight 60-100 times, stirring is equal
It is even, it is liquid a；
（2）Above-mentioned polyvinylpyrrolidone is added in its weight 20-30 times, 70-75% ethanol solution, is stirred,
Mix with above-mentioned liquid a, ultrasonic 20-30 minutes, in being sent to ptfe autoclave, the microwave hydrothermal 20- at 160-170 DEG C
30 minutes, room temperature is cooled to, is filtered, precipitate with deionized water, ethanol are washed 3-4 time successively, in being placed in baking oven, be dried, obtained
Modified zinc oxide；
（3）Above-mentioned modified zinc oxide, stannous chloride are mixed, in being added to the dehydrated alcohol of compound weight 100-120 times, is surpassed
Sound 3-5 minutes, above-mentioned silver nitrate, triethanolamine are added, stirred, the formalin of the above-mentioned 20-25% of Deca, completion of dropping
After be centrifuged off supernatant, precipitate with deionized water, ethanol are washed 3-4 time successively, in being placed in baking oven, at 90-100 DEG C do
Dry 10-17 minutes, obtain Ag doping modified zinc oxide；
（4）Above-mentioned polyacrylamide is added in the deionized water of its weight 80-100 times, is stirred, add acetic acid or ammonia
Water, regulation pH is 6-7, adds above-mentioned Ag doping modified zinc oxide, ultrasonic 20-30 minutes, obtains modified dispersion liquid；
（5）Above-mentioned Ammonium persulfate. is added in the deionized water of its weight 17-20 times, is stirred；
（6）The 60-70% of above-mentioned methyl methacrylate weight is taken, is mixed with sodium lauryl sulphate, be added to above-mentioned modified point
In dispersion liquid, it is 76-80 DEG C to rise high-temperature, insulated and stirred 10-14 minute, respectively the remaining methyl methacrylate of Deca and over cure
Sour aqueous ammonium, insulation reaction 120-130 minute after completion of dropping, discharging adds remaining each raw material, stirs to room temperature, obtains institute
State coating.
3. a kind of antibacterial leather coating according to claim 1,2, it is characterised in that the using method of the coating is：Make
With the front coating supersound process 20-30 minute by the present invention, leather surface, room temperature are sprayed under the pressure of 0.2MPa with spray gun
It is dried, presses under conditions of 76-80 DEG C, 80bar, sprays the coating of the present invention, normal temperature drying again afterwards, you can.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610979601.0A CN106566357A (en) | 2016-11-08 | 2016-11-08 | Antibacterial leather coating and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610979601.0A CN106566357A (en) | 2016-11-08 | 2016-11-08 | Antibacterial leather coating and preparation method thereof |
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| Publication Number | Publication Date |
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| CN106566357A true CN106566357A (en) | 2017-04-19 |
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| CN201610979601.0A Withdrawn CN106566357A (en) | 2016-11-08 | 2016-11-08 | Antibacterial leather coating and preparation method thereof |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104293140A (en) * | 2014-09-19 | 2015-01-21 | 沈阳信达信息科技有限公司 | Antibacterial coating agent |
| CN105925099A (en) * | 2016-05-11 | 2016-09-07 | 滁州职业技术学院 | Anti-flaming antisepsis leather coating and preparation method thereof |
| CN105936788A (en) * | 2016-05-11 | 2016-09-14 | 滁州职业技术学院 | Self-cleaning antibiosis leather coating and preparation method thereof |
-
2016
- 2016-11-08 CN CN201610979601.0A patent/CN106566357A/en not_active Withdrawn
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104293140A (en) * | 2014-09-19 | 2015-01-21 | 沈阳信达信息科技有限公司 | Antibacterial coating agent |
| CN105925099A (en) * | 2016-05-11 | 2016-09-07 | 滁州职业技术学院 | Anti-flaming antisepsis leather coating and preparation method thereof |
| CN105936788A (en) * | 2016-05-11 | 2016-09-14 | 滁州职业技术学院 | Self-cleaning antibiosis leather coating and preparation method thereof |
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Application publication date: 20170419 |