CN106634327A - Antibacterial leather finishing agent and preparation method thereof - Google Patents
Antibacterial leather finishing agent and preparation method thereof Download PDFInfo
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- CN106634327A CN106634327A CN201610940212.7A CN201610940212A CN106634327A CN 106634327 A CN106634327 A CN 106634327A CN 201610940212 A CN201610940212 A CN 201610940212A CN 106634327 A CN106634327 A CN 106634327A
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- casein
- parts
- finishing agent
- antimicrobial form
- triclosan
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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
- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
- C09D133/04—Homopolymers or copolymers of esters
-
- 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
- C09D101/00—Coating compositions based on cellulose, modified cellulose, or cellulose derivatives
- C09D101/08—Cellulose derivatives
- C09D101/16—Esters of inorganic acids
- C09D101/18—Cellulose nitrate
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/14—Paints containing biocides, e.g. fungicides, insecticides or pesticides
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Abstract
The invention relates to an antibacterial leather finishing agent and a preparation method thereof. The finishing agent comprises the following components in parts by mass: 1-20 parts of antibacterial casein, 0-19 parts of film forming matters, 0-5 parts of solvents, 0-5 parts of a surfactant, 0-3 parts of pigment paste or dyes, 0-3 parts of a plasticizer, 0-3 parts of a feeling agent, 0-3 parts of a thickening agent and 80-160 parts of water. The preparation method is realized by the following steps: (1) adding water and antibacterial casein into a reaction kettle, slowly stirring, raising the temperature to the temperature of 50-90 DEG C after the antibacterial casein is completely dissolved; sequentially adding the surfactant, pigment paste or dyes, film forming matters, plasticizer, feeling agent, thickening agent and solvent, stirring for 0.5-5 hours so as to enable the raw materials to be uniformly mixed, and obtain the product. According to the method disclosed by the invention, the antimicrobial function group is grafted in the casein and serves as a main component of the finishing agent, so that the antimicrobial function group is firmly fixed in the finishing agent, and the long-acting bacteria resistance and mildew resistance of the finished leather and products thereof are realized.
Description
Technical field
The invention belongs to leather finish technical field, is related to a kind of antimicrobial form leather finishing agent and preparation method thereof.
Background technology
Leather and fur products has become the necessity of human lives, and consumption is big, and purposes is wide.But because raw material skin is by collagen group
Into, and a large amount of animal and plant fats or its modified product are added in process, the growth breeding for microorganism is provided and enriched
Nutrient source；Meanwhile, the natural multiple-void structure of leather, it is easy to the moisture in absorption air is the natural temperature of microbial reproduction
Bed.Therefore, the leather and fur products such as leather shoes, fur clothing, sofa is susceptible to go mouldy in use, greatly have impact on leather and its
The performance of product, thus it is mould proof extremely important in leather industry.
Leather goes mouldy often first from the beginning of the outer surface of leather or its product, and the outer surface of leather is generally applied
Decorations agent, therefore the antimicrobial form leather finishing agent used in leather production process then can be with effective protection leather and leather products, prolongation
Its service life.
Chinese patent document CN103059233A (application number：201210567608.3) a kind of soap-free polymerization legal system is disclosed
For the method for the common modified Casein Leather finishing agent of acrylate/silane coupler, first with triethanolamine and water dissolves casein,
Obtain casein lysate；Caprolactam solution is added dropwise thereto again, the modified casein emulsion of caprolactam is obtained；Then in over cure
It is same in the casein emulsion being modified to caprolactam using semi-continuous seed surfactant- free emulsion polymerization in the presence of compound initiator
When add methyl methacrylate, butyl acrylate and silane coupler, by Raolical polymerizable, obtain acrylate/
The common modified Casein Leather finishing agent of silane coupler.
Chinese patent document CN 103468084A (application numbers：201310428101.4) disclose polyacrylate modified
Casein Leather finishing agent and preparation method, raw material weight proportioning of soup processed：Crylic acid ester mixture monomer 45-100, methacrylic acid 3-10,
AAEM 5-8, casein 100-150, triethylamine 20-30, deionized water 450-850, dodecyl
Sodium sulphate 5-10, emulsifying agent 10-20, initiator 0.1-1, are obtained through monomer emulsification, proteolysis, polymerisation.
Chinese patent document CN 104530330A (application numbers：201410814332.3) a kind of leather finishing agent is disclosed,
By γ-glycidyl ether oxygen propyl trimethoxy silicane, acrylate monomer, persulfate, casein, organic amine, water and sulfurous
Hydrochlorate is prepared；The acrylate monomer includes three kinds in butyl acrylate, ethyl acrylate, styrene and acrylonitrile
More than.
But without reference to antiseptic in leather finishing agent disclosed in above-mentioned document, it is difficult to play during leather finish
Antibacterial effect.
Chinese patent document CN 104830231A (application numbers：201510222905.8) antimicrobial form casein Ji Na is disclosed
Rice ZnO composite leather coating agents and preparation method thereof.Casein, alkali lye and deionized water are added in there-necked flask, water-bath
Heating obtains casein lysate；Nano-ZnO is dispersed in water, nano-ZnO dispersion solution is obtained；By nano-ZnO dispersion solution and junket
Plain lysate is compound to obtain antimicrobial form casein base nano-ZnO composite leather coating agent.But the antiseptic that the document is used is nanometer
ZnO, easily migrates during use and its antibacterial effect is reduced or is disappeared.
Antiseptic is grafted in the film forming matter of coating material then can effectively solving the problems referred to above, be leather or its product
Long acting antibiotic protection is provided.
The content of the invention
For the deficiencies in the prior art, the invention provides a kind of antimicrobial form leather finishing agent and preparation method thereof.
Technical scheme is as follows：
A kind of antimicrobial form leather finishing agent, including the component of following mass parts：
1～20 part of antimicrobial form casein, 0～19 part of film forming matter, 0～5 part of solvent, 0～5 part of surfactant, pigment paste
Or 0～3 part of dyestuff, 0～3 part of plasticizer, 0～3 part of hand feeling agent, 0～3 part of thickener, 80～160 parts of water.
, according to the invention it is preferred to, described antimicrobial form casein has the structure shown in formula (I)：
Wherein, structure of the R group shown in Cl or formula (II).
Y represents the number of-COONa construction units in casein or modified Casein in molecular structural formula, and x represents casein or modified
- NH in casein2The total number of construction unit, n represents the number of-NH- of modified triclosan grafting.
Described x, y, n are different according to the source of raw materials used casein and different, y be 4～8, x be 3～7, n for 3～7, n≤
x。
, according to the invention it is preferred to, described antimicrobial form casein is prepared as follows obtaining：
Natural casein or modified Casein are dissolved in alkali lye, pH to 7-12 is adjusted；Add the 0.01%- of casein quality
50% modified triclosan, is warming up to 30-100 DEG C, reacts 0.1-24h, obtains final product antimicrobial form casein.
According to the preparation method of antimicrobial form casein of the present invention, it is preferred that described alkali lye is the aqueous solution of inorganic base, enters one
Step is preferably the aqueous solution of NaOH, potassium hydroxide or sodium carbonate.
According to the preparation method of antimicrobial form casein of the present invention, it is preferred that further excellent with inorganic acid or organic acid for adjusting pH
From hydrochloric acid, sulfuric acid, phosphoric acid, formic acid or second acid for adjusting pH.
According to the preparation method of antimicrobial form casein of the present invention, it is preferred that the consumption of the modified triclosan is casein quality
2%-10%.
According to the preparation method of antimicrobial form casein of the present invention, it is preferred that described reaction temperature is 60-90 DEG C, during reaction
Between be 0.5-8h.
According to the preparation method of antimicrobial form casein of the present invention, it is preferred that the modified triclosan has shown in formula (III)
Structural formula：
Wherein, structure of the R group shown in Cl or formula (II).
According to the preparation method of antimicrobial form casein of the present invention, it is preferred that the preparation method of the modified triclosan, including step
It is rapid as follows：
Triclosan is dissolved in carbon tetrachloride solution, under 4 degrees Celsius, with concentrated acid sulfonation 2h～8h, it is separated, in
With, purifying, obtain triclosan sulfonated bodies；Then triclosan sulfonated bodies is dissolved in distilled water, adds Cyanuric Chloride, 0 DEG C of reaction 1h
～5h, separated, neutralization, purifying, obtains final product modified triclosan.
According to the preparation method of the modified triclosan of the present invention, it is preferred that the triclosan is 1 with the mol ratio of the concentrated sulfuric acid:
1.1～1:1.8, triclosan sulfonated bodies is 3 with the mol ratio of Cyanuric Chloride:1～1:3.
Natural casein refers to the native protein extracted from animal milk, and the whole of natural casein is retained in molecular structure
Or part amino and hydroxyl, and with appropriate water solubility.Modified Casein refers to natural casein Jing appropriateness chemical modification, and molecule
Retain all or part of amino and hydroxyl of natural casein in structure, and with the water miscible material of appropriateness.
Natural casein or modified Casein are as follows with the principle that modified triclosan reaction prepares antimicrobial form casein：
, according to the invention it is preferred to, described film forming matter is：Polyacrylate film forming matter, polyurethane film-forming material,
Nitrocellulose film forming matter or protein film forming matter.
, according to the invention it is preferred to, described solvent be methyl alcohol, ethanol, isopropanol, n-butanol, benzene,toluene,xylene,
Ethyl acetate, acetone or butanone.
, according to the invention it is preferred to, described plasticizer is modified castor oil, dibatyl phithalate, phthalic acid two
Pentyl ester, ethylene glycol or glycerine.
, according to the invention it is preferred to, described hand feeling agent is wax, organic silicon hand feeling agent or Organic fluoride hand feeling agent.
, according to the invention it is preferred to, described antimicrobial form leather finishing agent, including the component of following mass parts：
5～12 parts of antimicrobial form casein, 2～10 parts of film forming matter, 1～5 part of solvent, 1～4 part of surfactant, pigment paste
Or 1～2 part of dyestuff, 0.5～2 part of plasticizer, 0.5～2 part of hand feeling agent, 1～2 part of thickener, 80～140 parts of water.
, according to the invention it is preferred to, described antimicrobial form leather finishing agent, including the component of following mass parts：
10 parts of antimicrobial form casein, 5.5 parts of polyacrylate film forming matter, 5 parts of isopropanol, 2 parts of surfactant, pigment paste
1 part, 0.5 part of sulfated castor oil, 0.5 part of organic silicon hand feeling agent, 0.5 part of thickener, 80 parts of water.
According to the present invention, surfactant, thickener, pigment paste or dyestuff use this area conventional products.Surface
Activating agent is preferably：Neopelex, nonionic surfactant TO-8, TO-9, JFC (aliphatic alcohol polyethenoxy
Ether), JFC-M, polyethers L-64, penetrant t, PE-100.Thickener is preferably：Aqueous polyurethane thickener, polyacrylic increase
Thick dose.
According to the present invention, the preparation method of above-mentioned antimicrobial form leather finishing agent, including step are as follows：
Water and antimicrobial form casein are mixed, stirring after antimicrobial form casein is completely dissolved, is warming up to 50～90 DEG C, then
Sequentially add surfactant, pigment paste or dyestuff, film forming matter, plasticizer, hand feeling agent, thickener and solvent, stirring 0.5～
5h, is well mixed raw material, that is, obtain antimicrobial form leather finishing agent.
According to the present invention, the anti-microbial property of described antimicrobial form leather finishing agent derives from antimicrobial form casein.
Beneficial effects of the present invention are as follows：
The present invention grafts on antibacterial group in casein, and using it as finishing agent main component, so as to by antibacterial base
Group is firmly fixed in finishing agent, realizes the long acting antibiotic, mould proof Jing its leather and leather products after covering with paint, lacquer, colour wash, etc..
Description of the drawings
Fig. 1 is the antibacterial effect figure of antimicrobial form leather finishing agent in test example of the present invention.
Specific embodiment
The present invention is expanded on further below by way of specific embodiment, it should be pointed out that, the description below is merely to solution
The present invention is released, its content is not defined.
Raw material if no special instructions, is conventional commercial products in embodiment.
Number described in embodiment is weight portion.
Embodiment 1
80 parts of water are added in a kettle., and 10 parts of antimicrobial form caseins are slowly stirred, after antimicrobial form casein is completely dissolved,
Be warming up to 60 DEG C, then sequentially add 2 parts of neopelexes, 1 part of pigment paste, 5.5 parts of polyacrylate film forming matters,
0.5 part of sulfated castor oil, 0.5 part of organic silicon hand feeling agent, 0.5 part of aqueous polyurethane thickener and 5 parts of isopropanols, stir 4h,
Raw material is well mixed, that is, obtains antimicrobial form leather finishing agent.
Antimicrobial form casein in the present embodiment, molecular structural formula is as follows：
It is that 3～7, n is 3～7, n≤x that y is 4～8, x.
Antimicrobial form casein preparation process is as follows：
(1) the natural caseins of 10g are taken and adds the hydroxide that 90ml 0.01mol/L are added in the four-hole bottle with agitating device
Sodium solution, being slowly stirred dissolves casein；After casein dissolving completely, with the hydrochloric acid solution of 0.05mol/L the pH of system is adjusted
To 8.5；
(2) preparation of modified triclosan
Triclosan is dissolved in carbon tetrachloride solution, under 4 degrees Celsius, concentrated acid sulfonation 4h, triclosan and the concentrated sulfuric acid is used
Mol ratio be 1:1.1, separated, neutralization, purifying obtain triclosan sulfonated bodies；Then triclosan sulfonated bodies is dissolved in into distilled water
In, Cyanuric Chloride is added, triclosan sulfonated bodies is 1 with the mol ratio of Cyanuric Chloride:1,1h is reacted in ice-water bath, most after Jing point
Neutrality, purifying are neutralized to from, sodium hydroxide solution, modified triclosan is obtained final product.
(3) the above-mentioned modified triclosans of 1g and then in casein solution are added, 60 DEG C are warming up to, 5h is reacted, antimicrobial form has both been obtained
The casein aqueous solution；The aqueous solution is spray-dried or the mode crushed after being dried such as freeze-drying, both antimicrobial form casein powder.
Embodiment 2
121 parts of water are added in a kettle., and 10 parts of antimicrobial form caseins are slowly stirred, after antimicrobial form casein is completely dissolved,
75 DEG C are warming up to, 2 parts of TO-8,1 part of pigment paste, 10 parts of polyacrylate film forming matters, 0.5 part of sulphation castor are then sequentially added
Sesame oil, 0.5 organic silicon hand feeling agent, 0.5 part of agent for polyacrylic acid thickening and 4.5 parts of isopropanols, stir 2.5h, make raw material mixing equal
It is even, that is, obtain antimicrobial form leather finishing agent.
Antimicrobial form casein described in the present embodiment, molecular structural formula is as follows：
It is that 3～7, n is 3～7, n≤x that y is 4～8, x.
Antimicrobial form casein preparation process is as follows：
(1) take the modified casein of 10g Jing vinyl monomers to add in the four-hole bottle with agitating device, add 90ml
The potassium hydroxide solution of 0.01mol/L, is slowly stirred the casein dissolving for making vinyl monomer modified；After its dissolving completely, use
The formic acid solution of 0.1mol/L adjusts the pH to 8.5 of system；
(2) preparation of modified triclosan
Triclosan is dissolved in carbon tetrachloride solution, under 4 degrees Celsius, concentrated acid sulfonation 3h, triclosan and the concentrated sulfuric acid is used
Mol ratio be 1:1.4, separated, neutralization, purifying obtain triclosan sulfonated bodies；Then triclosan sulfonated bodies is dissolved in into distilled water
In, Cyanuric Chloride is added, triclosan sulfonated bodies is 2 with the mol ratio of Cyanuric Chloride:1,4.5h is reacted in ice-water bath, most after Jing
Separate, sodium hydroxide solution is neutralized to neutrality, purifying, obtains final product modified triclosan.
(3) the above-mentioned modified triclosans of 3g are added, 90 DEG C are warming up to, 2.5h is reacted, the antimicrobial form casein aqueous solution has both been obtained；It is water-soluble
Liquid is spray-dried or the mode crushed after being dried such as freeze-drying, both antimicrobial form casein powder.
Embodiment 3
80 parts of water are added in a kettle., 3 parts of antimicrobial form caseins are slowly stirred, after antimicrobial form casein is completely dissolved, rise
Temperature to 75 DEG C, then sequentially add 1 part of JFC, 0.5 part of pigment paste, 10 parts of polyurethane film-forming materials, 1 part of dibatyl phithalate,
0.5 wax and 4 parts of acetone, stir 2.5h, are well mixed raw material, that is, obtain antimicrobial form leather finishing agent.
Antimicrobial form casein in the present embodiment, molecular structural formula is as follows：
It is that 3～7, n is 3～7, n≤x that y is 4～8, x.
Wherein R group is Cl or structure shown in Formula II.
Preparation process is as follows：
(1) the composite modified caseins of 10g Jing are taken to add in the four-hole bottle with agitating device, 90ml 0.05mol/L are added
Sodium carbonate liquor, be slowly stirred the casein dissolving for making vinyl monomer modified；After its dissolving completely, with the sulphur of 0.1mol/L
Acid solution adjusts the pH to 8 of system；
(2) preparation method of modified triclosan
Triclosan is dissolved in carbon tetrachloride solution, under 4 degrees Celsius, concentrated acid sulfonation 5h, triclosan and the concentrated sulfuric acid is used
Mol ratio be 1:1.3, separated, neutralization, purifying obtain triclosan sulfonated bodies；Then triclosan sulfonated bodies is dissolved in into distilled water
In, Cyanuric Chloride is added, triclosan sulfonated bodies is 1.5 with the mol ratio of Cyanuric Chloride:1,3.5h is reacted in ice-water bath, finally
Separated, sodium hydroxide solution is neutralized to neutrality, purifying, obtains final product modified triclosan.
(3) the modified triclosans of 0.5g are added, 30 DEG C are warming up to, 24h is reacted, the antimicrobial form casein aqueous solution has both been obtained；The aqueous solution
The mode crushed after being dried such as spray-dried or freeze-drying, had both obtained antimicrobial form casein powder.
Antimicrobial form casein prepared by the present embodiment is the mixing that R group is Cl and the antibacterial casein of structure shown in formula (II)
Thing.
Embodiment 4
90 parts of water are added in a kettle., and 20 parts of antimicrobial form caseins are slowly stirred, after antimicrobial form casein is completely dissolved,
75 DEG C are warming up to, 1 part of TO-9,1 part of pigment paste, 3 parts of dibatyl phithalates and 4 parts of methyl alcohol are then sequentially added, 2.5h is stirred,
Raw material is well mixed, that is, obtains antimicrobial form leather finishing agent.
Antimicrobial form casein in the present embodiment is with embodiment 1.
Embodiment 5
158 parts of water are added in a kettle., and 5 parts of antimicrobial form caseins are slowly stirred, after antimicrobial form casein is completely dissolved,
90 DEG C are warming up to, 3 parts of JFC-M, 1 part of pigment paste, 15 parts of nitrocellulose film forming matters, 3 phthalic acids two are then sequentially added
Butyl ester and 5 parts of dimethylbenzene, stir 0.5h, are well mixed raw material, that is, obtain antimicrobial form leather finishing agent.
Antimicrobial form casein in the present embodiment is with embodiment 2
Embodiment 6
140 parts of water are added in a kettle., and 12 parts of antimicrobial form caseins are slowly stirred, after antimicrobial form casein is completely dissolved,
60 DEG C are warming up to, 1 part of penetrant t, 2 parts of glycerine and 5 parts of n-butanols are then sequentially added, 1h is stirred, raw material is well mixed,
Obtain antimicrobial form leather finishing agent.
Antimicrobial form casein in the present embodiment is with embodiment 3
Embodiment 7
80 parts of water are added in a kettle., 2 parts of antimicrobial form caseins are slowly stirred, after antimicrobial form casein is completely dissolved, rise
Then temperature sequentially adds 2 parts of polyethers L-64,0.5 part of pigment paste, 5 parts of polyurethane film-forming materials, 5 parts of polyacrylate to 75 DEG C
Film forming matter, 1 part of isopropanol, 0.5 part of organic silicon hand feeling agent and 5 parts of toluene, stir 1.5h, are well mixed raw material, that is, obtain
Antimicrobial form leather finishing agent.
Antimicrobial form casein in the present embodiment is with embodiment 1.
Embodiment 8
89 parts of water are added in a kettle., and 10 parts of antimicrobial form caseins are slowly stirred, after antimicrobial form casein is completely dissolved,
75 DEG C are warming up to, 2 parts of PE-100,1 part of pigment paste is subsequently adding, stirring 0.5h is well mixed raw material, that is, obtains antimicrobial form skin
Leather finishing agent.
Antimicrobial form casein in the present embodiment is with embodiment 2
Test example
Embodiment 1 is uniformly brushed into the positive and negative in leather sample, by universal method antibacterial experiment is carried out, experiment it is thin
Bacterium is Escherichia coli, and experimental result is as shown in Figure 1.Have bright around the leather sample for brushing antimicrobial form casein as seen from Figure 1
Aobvious inhibition zone, and the sample do not brushed shows there is stronger antibacterial effect using the finishing agent of the present invention then without inhibition zone
Really.
Claims (10)
1. a kind of antimicrobial form leather finishing agent, it is characterised in that the finishing agent includes the component of following mass parts：
1～20 part of antimicrobial form casein, 0～19 part of film forming matter, 0～5 part of solvent, 0～5 part of surfactant, pigment paste or dye
0～3 part of material, 0～3 part of plasticizer, 0～3 part of hand feeling agent, 0～3 part of thickener, 80～160 parts of water.
2. finishing agent according to claim 1, it is characterised in that described antimicrobial form casein has the knot shown in formula (I)
Structure：
Wherein, structure of the R group shown in Cl or formula (II)；
Y represents the number of-COONa construction units in casein or modified Casein in formula (I), and x represents-NH in casein or modified Casein2
The total number of construction unit, n represents the number of-NH- of modified triclosan grafting；The y be 4～8, x be 3～7, n be 3～
7, n≤x.
3. finishing agent according to claim 2, it is characterised in that described antimicrobial form casein, is prepared as follows
Arrive：
Natural casein or modified Casein are dissolved in alkali lye, pH to 7-12 is adjusted；Add the 0.01%-50%'s of casein quality
Modified triclosan, is warming up to 30-100 DEG C, reacts 0.1-24h, obtains final product antimicrobial form casein.
4. finishing agent according to claim 3, it is characterised in that the consumption of the modified triclosan is casein quality
2%-10%；Described reaction temperature is 60-90 DEG C, and the reaction time is 0.5-8h.
5. finishing agent according to claim 3, it is characterised in that the modified triclosan has the knot shown in formula (III)
Structure formula：
Wherein, structure of the R group shown in Cl or formula (II).
6. finishing agent according to claim 5, it is characterised in that the preparation method of the modified triclosan, including step
It is as follows：
Triclosan is dissolved in carbon tetrachloride solution, it is separated, neutralization, pure with concentrated acid sulfonation 2h～8h under 4 degrees Celsius
Change, obtain triclosan sulfonated bodies；Then triclosan sulfonated bodies is dissolved in distilled water, adds Cyanuric Chloride, 0 DEG C is reacted 1h～5h,
Separated, neutralization, purifying, obtain final product modified triclosan；
The triclosan is 1 with the mol ratio of the concentrated sulfuric acid:1.1～1:1.8, triclosan sulfonated bodies is with the mol ratio of Cyanuric Chloride
3:1～1:3.
7. finishing agent according to claim 1, it is characterised in that described film forming matter is：Polyacrylate film forming matter
Matter, polyurethane film-forming material, nitrocellulose film forming matter or protein film forming matter；
Described solvent is methyl alcohol, ethanol, isopropanol, n-butanol, benzene,toluene,xylene, ethyl acetate, acetone or butanone；
Described plasticizer is modified castor oil, dibatyl phithalate, phthalic acid diamyl ester, ethylene glycol or glycerine；
Described hand feeling agent is wax, organic silicon hand feeling agent or Organic fluoride hand feeling agent.
8. finishing agent according to claim 1, it is characterised in that described antimicrobial form leather finishing agent, including following matter
The component of amount part：
5～12 parts of antimicrobial form casein, 2～10 parts of film forming matter, 1～5 part of solvent, 1～4 part of surfactant, pigment paste or dye
1～2 part of material, 0.5～2 part of plasticizer, 0.5～2 part of hand feeling agent, 1～2 part of thickener, 80～140 parts of water.
9. finishing agent according to claim 1, it is characterised in that described antimicrobial form leather finishing agent, including following matter
The component of amount part：
10 parts of antimicrobial form casein, 5.5 parts of polyacrylate film forming matter, 5 parts of isopropanol, 2 parts of surfactant, 1 part of pigment paste,
0.5 part of sulfated castor oil, 0.5 part of organic silicon hand feeling agent, 0.5 part of thickener, 80 parts of water.
10. the preparation method of the antimicrobial form leather finishing agent described in any one of claim 1-9, including step is as follows：
Water and antimicrobial form casein are mixed, stirring after antimicrobial form casein is completely dissolved, is warming up to 50～90 DEG C, then successively
Surfactant, pigment paste or dyestuff, film forming matter, plasticizer, hand feeling agent, thickener and solvent are added, 0.5～5h is stirred,
Raw material is well mixed, that is, obtains antimicrobial form leather finishing agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107904990A (en) * | 2017-11-29 | 2018-04-13 | 苏州润弘贸易有限公司 | A kind of printing and dyeing assistant of leather |
| CN107905002A (en) * | 2017-11-29 | 2018-04-13 | 苏州润弘贸易有限公司 | A kind of printing and dyeing assistant preparation method of leather |
| CN109054561A (en) * | 2018-07-11 | 2018-12-21 | 徐冬 | A kind of preparation method of polyacrylate coatings glue |
| CN109953050A (en) * | 2017-12-26 | 2019-07-02 | 天津胜达瑞泰科技发展有限公司 | A kind of Traditional Chinese medicine bacteriostatic composition and its application in leather dye |
| CN110343427A (en) * | 2019-06-19 | 2019-10-18 | 成都市彭州铭众化工有限公司 | A kind of leather nitrocellulose emulsion and preparation method thereof |
| CN110511664A (en) * | 2019-09-10 | 2019-11-29 | 海宁市芬尼司皮革科技服务有限公司 | A kind of washable leather finish composition and leathermaking process |
| CN110669421A (en) * | 2019-09-10 | 2020-01-10 | 嘉兴学院 | Washable jean-style leather finishing composition and leather manufacturing process |
| CN111057424A (en) * | 2019-12-13 | 2020-04-24 | 四会市蓝波湾沐足中心 | Preparation method of high-adhesion wiping-resistant leather finishing agent |
| CN111187541A (en) * | 2019-12-27 | 2020-05-22 | 广州市佐力新材料科技有限公司 | Leather color-supplementing paste with injury-supplementing performance and simple operation and preparation method thereof |
| CN112063254A (en) * | 2020-09-04 | 2020-12-11 | 江苏伊贝实业股份有限公司 | Leather repairing agent and repairing process |
| CN113122041A (en) * | 2021-05-11 | 2021-07-16 | 陕西科技大学 | High-efficiency antibacterial leather finishing agent containing double-component halide perovskite and preparation method thereof |
| CN116590477A (en) * | 2023-05-04 | 2023-08-15 | 浙江通天星集团股份有限公司 | Preparation method of antibacterial leather |
| CN116836624A (en) * | 2023-08-08 | 2023-10-03 | 苏州格润科特新材料有限公司 | Ultraviolet light curing antibacterial agent, coating agent for leather and application of coating agent |
| CN116836624B (en) * | 2023-08-08 | 2024-04-26 | 苏州格润科特新材料有限公司 | Ultraviolet light curing antibacterial agent, coating agent for leather and application of coating agent |
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Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107904990A (en) * | 2017-11-29 | 2018-04-13 | 苏州润弘贸易有限公司 | A kind of printing and dyeing assistant of leather |
| CN107905002A (en) * | 2017-11-29 | 2018-04-13 | 苏州润弘贸易有限公司 | A kind of printing and dyeing assistant preparation method of leather |
| CN109953050A (en) * | 2017-12-26 | 2019-07-02 | 天津胜达瑞泰科技发展有限公司 | A kind of Traditional Chinese medicine bacteriostatic composition and its application in leather dye |
| CN109054561A (en) * | 2018-07-11 | 2018-12-21 | 徐冬 | A kind of preparation method of polyacrylate coatings glue |
| CN110343427A (en) * | 2019-06-19 | 2019-10-18 | 成都市彭州铭众化工有限公司 | A kind of leather nitrocellulose emulsion and preparation method thereof |
| CN110343427B (en) * | 2019-06-19 | 2022-04-19 | 成都市彭州铭众化工有限公司 | Nitrocellulose emulsion for leather and preparation method thereof |
| CN110511664B (en) * | 2019-09-10 | 2022-02-11 | 海宁市芬尼司皮革科技服务有限公司 | Washable leather finishing composition and leather manufacturing process |
| CN110669421B (en) * | 2019-09-10 | 2022-01-21 | 嘉兴学院 | Washable jean-style leather finishing composition and leather manufacturing process |
| CN110669421A (en) * | 2019-09-10 | 2020-01-10 | 嘉兴学院 | Washable jean-style leather finishing composition and leather manufacturing process |
| CN110511664A (en) * | 2019-09-10 | 2019-11-29 | 海宁市芬尼司皮革科技服务有限公司 | A kind of washable leather finish composition and leathermaking process |
| CN111057424A (en) * | 2019-12-13 | 2020-04-24 | 四会市蓝波湾沐足中心 | Preparation method of high-adhesion wiping-resistant leather finishing agent |
| CN111187541A (en) * | 2019-12-27 | 2020-05-22 | 广州市佐力新材料科技有限公司 | Leather color-supplementing paste with injury-supplementing performance and simple operation and preparation method thereof |
| CN112063254A (en) * | 2020-09-04 | 2020-12-11 | 江苏伊贝实业股份有限公司 | Leather repairing agent and repairing process |
| CN113122041A (en) * | 2021-05-11 | 2021-07-16 | 陕西科技大学 | High-efficiency antibacterial leather finishing agent containing double-component halide perovskite and preparation method thereof |
| CN113122041B (en) * | 2021-05-11 | 2022-04-01 | 陕西科技大学 | High-efficiency antibacterial leather finishing agent containing double-component halide perovskite and preparation method thereof |
| CN116590477A (en) * | 2023-05-04 | 2023-08-15 | 浙江通天星集团股份有限公司 | Preparation method of antibacterial leather |
| CN116590477B (en) * | 2023-05-04 | 2024-04-09 | 浙江通天星集团股份有限公司 | Preparation method of antibacterial leather |
| CN116836624A (en) * | 2023-08-08 | 2023-10-03 | 苏州格润科特新材料有限公司 | Ultraviolet light curing antibacterial agent, coating agent for leather and application of coating agent |
| CN116836624B (en) * | 2023-08-08 | 2024-04-26 | 苏州格润科特新材料有限公司 | Ultraviolet light curing antibacterial agent, coating agent for leather and application of coating agent |
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| CN106634327B (en) | 2018-08-07 |
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