CN105925175A - Antibiotic environmentally-friendly film and production method thereof - Google Patents

Antibiotic environmentally-friendly film and production method thereof Download PDF

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Publication number
CN105925175A
CN105925175A CN201610264755.1A CN201610264755A CN105925175A CN 105925175 A CN105925175 A CN 105925175A CN 201610264755 A CN201610264755 A CN 201610264755A CN 105925175 A CN105925175 A CN 105925175A
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layer
weight portion
environment protection
protection film
coating
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CN105925175B (en
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张佳斌
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Guangdong baotexin New Material Technology Co.,Ltd.
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Ningbo Hi Tech Zone Xia Yuan Technology Co Ltd
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Priority to CN201710969085.8A priority Critical patent/CN107652884A/en
Priority to CN201710969070.1A priority patent/CN107746673A/en
Priority to CN201610264755.1A priority patent/CN105925175B/en
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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
    • C09D183/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers
    • C09D183/04—Polysiloxanes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
    • 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
    • C09D151/08—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 otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • 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
    • C09D7/63—Additives non-macromolecular organic
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    • 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
    • C09D7/65—Additives macromolecular
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2250/00—Layers arrangement
    • B32B2250/24—All layers being polymeric
    • B32B2250/246—All polymers belonging to those covered by groups B32B27/32 and B32B27/30
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2255/00—Coating on the layer surface
    • B32B2255/10—Coating on the layer surface on synthetic resin layer or on natural or synthetic rubber layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2255/00—Coating on the layer surface
    • B32B2255/26—Polymeric coating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/714—Inert, i.e. inert to chemical degradation, corrosion
    • B32B2307/7145—Rot proof, resistant to bacteria, mildew, mould, fungi
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2323/00—Polyalkenes
    • B32B2323/04—Polyethylene
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2367/00—Polyesters, e.g. PET, i.e. polyethylene terephthalate
    • 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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    • 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
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    • C08K2201/011—Nanostructured additives
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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
    • C08L2201/08—Stabilised against heat, light or radiation or oxydation
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
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    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
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Abstract

The invention discloses an antibiotic environmentally-friendly film and a production method thereof. The antibiotic environmentally-friendly film sequentially comprises a PET layer, an antibiotic layer, a PE layer and a sterilization coating layer from inside to outside, wherein the antibiotic layer is produced from polylactic acid, hydroxypropyl acrylate, acryloyl chloride, trifluoropropylmethyldichlorosilane, vinyltriisopropoxysilane, hydroxypropyl methyl cellulose, chitosan, eugenol, polyvinyl alcohol, an emulsifier, an initiator and deionized water, and the sterilization coating layer is produced from ethanol, polyethylene glycol, deionized water, cinnamaldehyde, beta-cyclodextrin, a titanate coupling agent, nanometer titanium dioxide, organosilicone resin, a dispersant and an antifoaming agent. The antibiotic environmentally-friendly film produced in the invention has the advantages of good sterilization and antivirus effects, good durability, long service life and no pollution to environment.

Description

A kind of antibacterial environment protection thin film and preparation method thereof
Technical field
The invention belongs to thin film technique field, particularly relate to a kind of antibacterial environment protection thin film and preparation method thereof.
Background technology
Along with scientific and technological progress and the fast development of modern industry, environmental problem is on the rise.Along with people focus more on health Gradually step up with to environmental consciousness, the most urgent to the demand antibacterial, purification air of architectural glass film.Existing nothing Although machine metal antibacterial coating has anti-microbial property, as using nanometer silver as sterilization component, but antibacterial time is short, easily occurs Aoxidizing and lose, and be easy to gray-off dirt, hygroscopic rotten, hardness is low to be easily damaged, it is easy to come off, and environmental-protecting performance is relatively Difference.Conventional sterilants is generally of noxious substance, this carcinogen of formaldehyde after coating, can be produced.
Summary of the invention
In order to overcome the deficiencies in the prior art, the invention discloses a kind of antibacterial environment protection thin film and preparation method thereof, Aim to provide a kind of thin-film material getting final product antibacterial environmentally safe again.
The present invention is realized by following technology:
A kind of antibacterial environment protection film, described antibacterial environment protection film is pet layer, antibiotic layer, PE layer, sterilization the most successively Coating.
As to further improvement of the present invention, the thickness of described antibiotic layer is not less than the thickness sum of pet layer and PE layer, The thickness of described sterilization coating is not less than the thickness of antibiotic layer, by pet layer, antibiotic layer, PE layer, sterilization coating Superimposition order and the design of each layer thickness relation, be further ensured that the anti-microbial property of antibacterial environment protection thin film.
As a kind of preferred implementation, the coating used by described antibiotic layer is to be formed by the preparation of raw material of following weight portion :
It is preferred that described emulsifying agent is preferably triphen ethyl phenol polyoxyethylene ether, described initiator is preferably potassium sulfate.
Described polylactic acid has good engineering properties and physical property.It is various that polylactic acid is applicable to blowing, thermoplastic etc. Processing method, applies quite varied, also has good glossiness and transparency, and polylactic acid film has good breathing freely Property, oxygen permeability and saturating carbon dioxide, it also has the characteristic of isolation abnormal smells from the patient.Virus and mycete are easily attached to biology and can drop Solve the surface of film, therefore have the doubt of safety and health, but, polylactic acid is uniquely to have excellent antibacterial and anti-mildew characteristic Biological degradable membrane.
Described chitosan comes from chitin, and it is a kind of phytoalexin, has natural antibacterial, can suppress multiple The fungus of food surface, antibacterial.
Described acryloyl chloride, not only increases the thermostability of antibiotic layer, and acryloyl chloride can be handed over chitosan simultaneously Connection effect, strengthens the bactericidal action of chitosan.
Described acetic acid can well dissolve chitosan and is dissolved in polymer by chitosan, and preferred concentration is 0.1mol/L。
Described eugenol is Flos Caryophylli main body of oil, and primary efficacy is exactly antibacterial sterilization.
Described polyvinyl alcohol can make chitosan and the methyleugenol grafting efficiency in polylactic acid improve, and passes through methyl Eugenol and the synergism of chitosan, improve the effect of antibacterial sterilization.
Described trifluoropropylmethyldichlorosilane improves the thermostability of antibiotic layer.
As to further improvement of the present invention, the coating used by described antibacterial oxidant layer is to be prepared via a method which to form :
(1) prepared by pre-emulsion
By the polylactic acid of corresponding weight portion, Hydroxypropyl acrylate, emulsifying agent, initiator, trifluoropropylmethyldichlorosilane, Vinyl silane triisopropoxide, polyvinyl alcohol mix with the deionized water of 1/2-3/4 weight portion, and pre-emulsification obtains pre-breast Liquid；
(2) emulsion polymerization
By the hydroxypropyl methyl cellulose of corresponding weight portion, chitosan, acetic acid (0.1M), eugenol and remaining go from Sub-water joins in reactor, is stirred by the material in reactor and be warming up to 75-85 DEG C under the conditions of 300-400r/min, Being added drop-wise in described reactor by the pre-emulsion that above-mentioned steps (1) prepares, 1-2h drips off, and drips off and keeps temperature afterwards again Reaction 1-2h, then heats to 85-90 DEG C, continues insulation reaction 1h, is down to room temperature, discharging, filtration, obtains antibacterial Coating.
As a kind of preferred implementation, the coating used by described sterilization coating is to be prepared from by the raw material of following weight portion :
It is preferred that described dispersant is sodium citrate, described defoamer is organosilicon high effective antifoaming agent, multiple modification gather The high effective and modified organosilicon high effective antifoaming agent that dimethyl siloxane and other efficient froth breaking component refine, disappears from De Feng Infusion factory.
Described cinnamyl alcohol has another name called 3-phenylacrolein, cinnamic aldehyde as antimildew agent for food to human non-toxic or low toxicity, and right The growth and breeding of microorganism can play stronger inhibitory action, to Aspergillus flavus, aspergillus niger, Penicillium citrinum, fusarium moniliforme, Geotrichum candidum, yeast etc. all have strong fungistatic effect.
Described nano titanium oxide has catalytic action to light, the microorganism of a part of can degrading.
Coating used by described sterilization coating is prepared via a method which to form:
(1) ethanol of corresponding weight portion, Polyethylene Glycol, sodium citrate are joined in deionized water, add corresponding The cinnamic aldehyde of weight portion, nano titanium oxide, beta-schardinger dextrin-, disperse 10-30min, so under the conditions of 300-500rpm After dropwise drip titanate coupling agent, after continuing to react 30min under the conditions of 300-500rpm, then use ball mill grinding 20-30min, makes slurry；
(2) in the slurry of above-mentioned steps (1) gained, the organic siliconresin of corresponding weight portion is added, in 800rpm condition After lower continuation dispersion 20-30min, add defoamer, after continuing dispersion 20-30min, obtain the coating used by antimicrobial coating.
Compared with prior art, thin film prepared by the present invention has preferably sterilization virus killing effect, and environmentally safe, More carefully, service life is longer for ruggedness.
Detailed description of the invention
In order to make those skilled in the art be more fully understood that technical scheme, and make the features described above of the present invention, mesh And advantage become apparent from understandable, in conjunction with embodiment, the present invention is further explained explanation, it is noted that These all embodiments listed are merely illustrative, are not meant to be defined the scope of the invention.
Embodiment 1
A kind of antibacterial environment protection film, described antibacterial environment protection film is pet layer, antibiotic layer, PE layer, sterilization the most successively Coating, wherein, pet layer is 25 μm with the thickness of PE layer, and sterilization coating is 50 μm with the thickness of antibiotic layer.
Coating used by described antibiotic layer is by the preparation of raw material of following weight portion:
Coating used by described antibacterial oxidant layer is prepared via a method which to form:
(1) prepared by pre-emulsion
By the polylactic acid of corresponding weight portion, Hydroxypropyl acrylate, emulsifying agent, initiator, trifluoropropylmethyldichlorosilane, The deionized water mixing of vinyl silane triisopropoxide, polyvinyl alcohol and 1/2 weight portion, pre-emulsification obtains pre-emulsion；
(2) emulsion polymerization
By the hydroxypropyl methyl cellulose of corresponding weight portion, chitosan, acetic acid (0.1M), eugenol and remaining go from Sub-water joins in reactor, is stirred by the material in reactor and be warming up to 75 DEG C under the conditions of 300r/min, then by upper The pre-emulsion stating step (1) prepared is added drop-wise in described reactor, and 1h drips off, and drips off holding thermotonus 2h afterwards, Then heat to 85 DEG C, continue insulation reaction 1h, be down to room temperature, discharging, filtration, obtain antibiotic layer coating.
Coating used by described sterilization coating is to be prepared from by the raw material of following weight portion:
Coating used by described sterilization coating is prepared via a method which to form:
(1) ethanol of corresponding weight portion, Polyethylene Glycol, sodium citrate are joined in deionized water, add corresponding The cinnamic aldehyde of weight portion, nano titanium oxide, beta-schardinger dextrin-, disperse 10min under the conditions of 500rpm, the most dropwise drip Add titanate coupling agent, after continuing to react 30min under the conditions of 500rpm, then use ball mill grinding 20min, make Slurry；
(2) in the slurry of above-mentioned steps (1) gained, the organic siliconresin of corresponding weight portion is added, in 800rpm condition After lower continuation dispersion 20min, add defoamer, after continuing dispersion 30min, obtain the coating used by antimicrobial coating.
Embodiment 2
A kind of antibacterial environment protection film, described antibacterial environment protection film is pet layer, antibiotic layer, PE layer, sterilization the most successively Coating, wherein, the thickness of pet layer is 22 μm, and antibiotic layer thickness is 50 μm, and PE layer thickness is 25 μm, sterilization painting Layer thickness is 53 μm.
Coating used by described antibiotic layer is by the preparation of raw material of following weight portion:
Coating used by described antibacterial oxidant layer is prepared via a method which to form:
(1) prepared by pre-emulsion
By the polylactic acid of corresponding weight portion, Hydroxypropyl acrylate, emulsifying agent, initiator, trifluoropropylmethyldichlorosilane, The deionized water mixing of vinyl silane triisopropoxide, polyvinyl alcohol and 3/4 weight portion, pre-emulsification obtains pre-emulsion；
(2) emulsion polymerization
By the hydroxypropyl methyl cellulose of corresponding weight portion, chitosan, acetic acid (0.1M), eugenol and remaining go from Sub-water joins in reactor, is stirred by the material in reactor and be warming up to 85 DEG C under the conditions of 400r/min, then by upper The pre-emulsion stating step (1) prepared is added drop-wise in described reactor, and 2h drips off, and drips off holding thermotonus 1h afterwards, Then heat to 90 DEG C, continue insulation reaction 1h, be down to room temperature, discharging, filtration, obtain antibiotic layer coating.
Coating used by described sterilization coating is to be prepared from by the raw material of following weight portion:
Coating used by described sterilization coating is prepared via a method which to form:
(1) ethanol of corresponding weight portion, Polyethylene Glycol, sodium citrate are joined in deionized water, add corresponding The cinnamic aldehyde of weight portion, nano titanium oxide, beta-schardinger dextrin-, disperse 30min under the conditions of 300rpm, the most dropwise drip Add titanate coupling agent, after continuing to react 30min under the conditions of 300rpm, then use ball mill grinding 30min, make Slurry；
(2) in the slurry of above-mentioned steps (1) gained, the organic siliconresin of corresponding weight portion is added, in 800rpm condition After lower continuation dispersion 30min, add defoamer, after continuing dispersion 20min, obtain the coating used by antimicrobial coating.
Embodiment 3
A kind of antibacterial environment protection film, described antibacterial environment protection film is pet layer, antibiotic layer, PE layer, sterilization the most successively Coating, wherein, the thickness of pet layer is 30 μm, and antibiotic layer thickness is 55 μm, and PE layer thickness is 24 μm, sterilization painting Layer thickness is 60 μm..
Coating used by described antibiotic layer is by the preparation of raw material of following weight portion:
Coating used by described antibacterial oxidant layer is prepared via a method which to form:
(1) prepared by pre-emulsion
By the polylactic acid of corresponding weight portion, Hydroxypropyl acrylate, emulsifying agent, initiator, trifluoropropylmethyldichlorosilane, The deionized water mixing of vinyl silane triisopropoxide, polyvinyl alcohol and 3/5 weight portion, pre-emulsification obtains pre-emulsion；
(2) emulsion polymerization
By the hydroxypropyl methyl cellulose of corresponding weight portion, chitosan, acetic acid (0.1M), eugenol and remaining go from Sub-water joins in reactor, is stirred by the material in reactor and be warming up to 80 DEG C under the conditions of 350r/min, then by upper The pre-emulsion stating step (1) prepared is added drop-wise in described reactor, and 1.5h drips off, and drips off holding thermotonus 1.5h afterwards, Then heat to 87 DEG C, continue insulation reaction 1h, be down to room temperature, discharging, filtration, obtain antibiotic layer coating.
Coating used by described sterilization coating is to be prepared from by the raw material of following weight portion:
Coating used by described sterilization coating is prepared via a method which to form:
(1) ethanol of corresponding weight portion, Polyethylene Glycol, sodium citrate are joined in deionized water, add corresponding The cinnamic aldehyde of weight portion, nano titanium oxide, beta-schardinger dextrin-, disperse 20min under the conditions of 400rpm, the most dropwise drip Add titanate coupling agent, after continuing to react 30min under the conditions of 400rpm, then use ball mill grinding 25min, make Slurry；
(2) in the slurry of above-mentioned steps (1) gained, the organic siliconresin of corresponding weight portion is added, in 800rpm condition After lower continuation dispersion 23min, add defoamer, after continuing dispersion 26min, obtain the coating used by antimicrobial coating.
The sample obtained carries out antibacterial detection according to JIS Z2801:2000 standard, its staphylococcus aureus antibiotic rate It is 99.9%.

Claims (10)

1. an antibacterial environment protection film, it is characterised in that: described antibacterial environment protection film be the most successively pet layer, antibiotic layer, PE layer, stenlizing layer.
2. antibacterial environment protection film as claimed in claim 1, it is characterised in that: the thickness of described antibiotic layer is not less than pet layer With the thickness sum of PE layer, the thickness of described sterilization coating is not less than the thickness of antibiotic layer.
3. antibacterial environment protection film as claimed in claim 2, it is characterised in that: the coating used by described antibiotic layer is by as follows The preparation of raw material of weight portion:
Wherein, the concentration of acetic acid used is 0.1mol/L.
4. antibacterial environment protection film as claimed in claim 3, it is characterised in that: described emulsifying agent is triphen ethyl phenol polyoxy second Alkene ether.
5. antibacterial environment protection film as claimed in claim 3, it is characterised in that: described initiator is potassium sulfate.
6. antibacterial environment protection film as claimed in claim 3, it is characterised in that: the coating used by described antibacterial oxidant layer is to pass through Following method is prepared from:
(1) prepared by pre-emulsion
By the polylactic acid of corresponding weight portion, Hydroxypropyl acrylate, emulsifying agent, initiator, trifluoropropylmethyldichlorosilane, Vinyl silane triisopropoxide, polyvinyl alcohol mix with the deionized water of 1/2-3/4 weight portion, and pre-emulsification obtains pre-breast Liquid；
(2) emulsion polymerization
By the hydroxypropyl methyl cellulose of corresponding weight portion, chitosan, acetic acid (0.1M), eugenol and remaining go from Sub-water joins in reactor, is stirred by the material in reactor and be warming up to 75-85 DEG C under the conditions of 300-400r/min, Being added drop-wise in described reactor by the pre-emulsion that above-mentioned steps (1) prepares, 1-2h drips off, and drips off and keeps temperature afterwards again Reaction 1-2h, then heats to 85-90 DEG C, continues insulation reaction 1h, is down to room temperature, discharging, filtration, obtains antibacterial Coating.
7. antibacterial environment protection film as claimed in claim 2, it is characterised in that: the coating used by described sterilization coating is by such as The raw material of lower weight portion is prepared from:
8. antibacterial environment protection film as claimed in claim 7, it is characterised in that: described dispersant is sodium citrate.
9. antibacterial environment protection film as claimed in claim 7, it is characterised in that: described defoamer is organosilicon high effective antifoaming agent.
10. antibacterial environment protection film as claimed in claim 7, it is characterised in that: the coating used by described sterilization coating is to pass through Following method is prepared from:
(1) ethanol of corresponding weight portion, Polyethylene Glycol, sodium citrate are joined in deionized water, add corresponding The cinnamic aldehyde of weight portion, nano titanium oxide, beta-schardinger dextrin-, disperse 10-30min, so under the conditions of 300-500rpm After dropwise drip titanate coupling agent, after continuing to react 30min under the conditions of 300-500rpm, then use ball mill grinding 20-30min, makes slurry；
(2) in the slurry of above-mentioned steps (1) gained, the organic siliconresin of corresponding weight portion is added, in 800rpm condition After lower continuation dispersion 20-30min, add defoamer, after continuing dispersion 20-30min, obtain the coating used by antimicrobial coating.
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CN107556684A (en) * 2017-09-04 2018-01-09 诚德科技股份有限公司 A kind of anti-aging plastic packaging bag and preparation method thereof
CN107401085A (en) * 2017-09-07 2017-11-28 安徽虹源印务有限公司 A kind of mold-proof method of large-sized print product paper
CN107627706A (en) * 2017-09-18 2018-01-26 上海海洋大学 Degradable high-barrier active fresh-keeping film and preparation method thereof
CN107489058A (en) * 2017-09-21 2017-12-19 安徽宏洋包装集团有限公司 A kind of preparation method of the nono calcium carbonate modified complex emulsions of coating for paper
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CN109232926A (en) * 2018-08-01 2019-01-18 广州唐斯科技有限公司 A kind of antibacterial high-barrier food package film and its preparation method and application
CN109467911A (en) * 2018-11-15 2019-03-15 宁波鼎峰新材料科技有限公司 A kind of composite membrane and preparation method thereof that antibacterial TPU is blended with PVC
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