CN115678220A - Stretch-proof antibacterial decorative film and preparation method thereof - Google Patents
Stretch-proof antibacterial decorative film and preparation method thereof Download PDFInfo
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- CN115678220A CN115678220A CN202211424472.0A CN202211424472A CN115678220A CN 115678220 A CN115678220 A CN 115678220A CN 202211424472 A CN202211424472 A CN 202211424472A CN 115678220 A CN115678220 A CN 115678220A
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- 238000002360 preparation method Methods 0.000 title description 18
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- 229920008790 Amorphous Polyethylene terephthalate Polymers 0.000 claims abstract description 15
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- GZCGUPFRVQAUEE-SLPGGIOYSA-N aldehydo-D-glucose Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C=O GZCGUPFRVQAUEE-SLPGGIOYSA-N 0.000 claims description 26
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- 108010010803 Gelatin Proteins 0.000 claims description 14
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Abstract
The invention is suitable for the technical field of decorative film production, and provides a stretch-proof antibacterial decorative film which comprises the following raw materials in parts by weight: 90-120 parts of APET and/or PETG, 10-16 parts of flexibilizer, 4-6 parts of flame retardant, 2-6 parts of antioxidant, 20-30 parts of modified polyethylene glycol, 10-20 parts of talcum powder microcapsule, 4-8 parts of organic silicon acrylate, 6-10 parts of fluorine-containing acrylate and 5-9 parts of antibacterial agent.
Description
Technical Field
The invention belongs to the technical field of decorative film production, and particularly relates to a stretch-proof antibacterial decorative film and a preparation method thereof.
Background
The decorative film is a novel decorative material prepared by adding various auxiliary agents into a high-molecular polymer as a raw material and performing calendaring and compounding, can be compounded with base materials such as wood, plastic plates, aluminum plates, iron plates and the like to prepare a multipurpose decorative material, and is widely applied to surface decoration of household appliances, sound equipment, interior decoration of airplanes, ships and trains.
At present, the plastic artificial board decorative material is most widely applied as a PVC film, and with the increasing importance of people on the environmental protection performance of the material, the polypropylene film with the obvious environmental protection advantage gradually becomes a market hotspot. The existing decorative film has the problem of unsatisfactory tensile property, and for a film material, the tensile strength and the elongation at break of the film material are effectively improved, so that the application mode and the application range of the film material can be further improved.
Disclosure of Invention
The invention provides a stretch-proof antibacterial decorative film and a preparation method thereof, and aims to solve the problems.
The invention is realized in such a way that the stretch-proof antibacterial decorative film comprises the following raw materials in parts by weight: 90-120 parts of APET and/or PETG, 10-16 parts of toughening agent, 4-6 parts of flame retardant, 2-6 parts of antioxidant, 20-30 parts of modified polyethylene glycol, 10-20 parts of talcum powder microcapsule, 4-8 parts of organic silicon acrylate, 6-10 parts of fluorine-containing acrylate and 5-9 parts of antibacterial agent.
Preferably, the feed comprises the following raw materials in parts by weight: 100-110 parts of APET and/or PETG, 12-14 parts of toughening agent, 4.5-5.5 parts of flame retardant, 3-5 parts of antioxidant, 22-28 parts of modified polyethylene glycol, 12-18 parts of talcum powder microcapsule, 5-7 parts of organic silicon acrylate, 7-9 parts of fluorine-containing acrylate and 6-8 parts of antibacterial agent.
Preferably, the feed comprises the following raw materials in parts by weight: 105 parts of APET and/or PETG, 13 parts of flexibilizer, 5 parts of flame retardant, 4 parts of antioxidant, 25 parts of modified polyethylene glycol, 15 parts of talcum powder microcapsule, 6 parts of organic silicon acrylate, 8 parts of fluorine-containing acrylate and 7 parts of antibacterial agent.
Preferably, the toughening agent is MBS, the flame retardant is a phosphorus flame retardant, and the antioxidant is an antioxidant TNP.
Preferably, the preparation method of the modified polyethylene glycol is as follows: weighing 3-amino-1, 2-propylene glycol, a silane coupling agent and potassium tripolyphosphate, placing the materials into a reaction kettle, fully and uniformly stirring to obtain a mixture A, adding 6-10 times of polyethylene glycol by weight of the mixture A, then raising the temperature in the reaction kettle to 60-80 ℃, carrying out ultraviolet irradiation on the mixed material liquid in the reaction kettle for 3-5 hours while stirring to obtain the required modified polyethylene glycol, treating the polyethylene glycol, grafting amino groups on the end part of the polyethylene glycol, effectively enhancing the reaction activity of the polyethylene glycol, compounding with other components, and reacting with each other to form a macromolecular network structure.
Preferably, the mass ratio of the 3-amino-1, 2-propanediol to the silane coupling agent to the potassium tripolyphosphate is 1.
Preferably, the talcum powder microcapsule is obtained by coating the surface of talcum powder filler with talcum powder filler as a capsule core and urea-formaldehyde resin as a capsule wall material.
Preferably, the preparation method of the talcum powder microcapsule is as follows:
taking polyvinyl alcohol, 5-10% by mass of formaldehyde solution and melamine, wherein the mass ratio of polyvinyl alcohol to formaldehyde solution to melamine is 1: (1-3): (2-4), adding polyvinyl alcohol into formaldehyde, heating to 40-50 ℃, adjusting the pH to 7.2-7.6 after the polyvinyl alcohol in the formaldehyde is completely dissolved, adding melamine, and reacting for 0.5-1h at the temperature of 50-60 ℃ to obtain a urea-formaldehyde resin prepolymer;
mixing the urea-formaldehyde resin prepolymer with 20-30% of surfactant aqueous solution according to the weight percentage of 1: (8-12), stirring for 0.5-1h, adding talcum powder and gelatin, wherein the weight ratio of the urea-formaldehyde resin prepolymer to the talcum powder to the gelatin is (1-2): 1- (0.1-0.3), adjusting the pH of the system to 2-4, reacting for 1-3h at 50-70 ℃, filtering, washing and drying to obtain talcum powder microcapsules, the surfaces of the talcum powder microcapsules are compact, the particle sizes are uniform, the dispersion in the system is uniform, a stable system is formed, the talcum powder microcapsules and the modified polyethylene glycol are synergistically matched to synergize, and the talcum powder microcapsules and the modified polyethylene glycol react to form a network structure, so that the tensile property of the decorative film can be obviously improved.
Preferably, the antibacterial agent comprises chitosan, citric acid and nano silver solution, and the mass ratio of the chitosan to the citric acid to the nano silver solution is 1-2: 1, the citric acid has three carboxyl groups, one carboxyl group of the citric acid has an esterification reaction with APET and/or PETG, the other carboxyl group of the citric acid has an esterification reaction with chitosan, and free carboxyl groups react with amino groups in the chitosan to generate salt bonds, thereby being beneficial to improving the durability of the antibacterial agent.
A preparation method of a stretch-proof antibacterial decorative film comprises the following steps:
1) Weighing the raw materials according to the proportion;
2) Placing APET and/or PETG, a toughening agent, a flame retardant, an antioxidant, modified polyethylene glycol and talcum powder microcapsules into a stirring cavity for fully mixing, heating to 200-220 ℃, and extruding to a molding cavity through a screw;
3) Calendering and molding the mixed material in the molding cavity by a molding machine, then heating to 190-210 ℃, cooling, and coiling to obtain a base film;
4) Fully mixing the organic silicon acrylate, the fluorine-containing acrylate and the antibacterial agent for 20-30min to obtain the antibacterial coating;
5) The obtained base film surface is coated with one layer of antibacterial coating by using a gravure printing roller, ultrasonic treatment is carried out simultaneously, then ultraviolet cold light curing is carried out, and the stretch-proof antibacterial decorative film can be obtained.
Compared with the prior art, the embodiment of the application mainly has the following beneficial effects:
the stretch-proof antibacterial decorative film provided by the invention takes APET and/or PETG as raw materials, has outstanding toughness and high impact strength, has a wide processing range, high mechanical strength and excellent flexibility, can enable the decorative film to have good antibacterial effect by adding the antibacterial agent, can effectively enhance the reaction activity of polyethylene glycol by adding modified polyethylene glycol to treat polyethylene glycol and grafting amino on the end part of polyethylene glycol, is compact in surface and uniform in particle size by adding talcum powder microcapsules, is uniformly dispersed in the system, forms a stable system with the modified polyethylene glycol, synergically cooperates and synergically through the talcum powder microcapsules and the modified polyethylene glycol, and can obviously improve the tensile property of the decorative film.
Drawings
FIG. 1 is a flow chart of the preparation of the stretch-proof antibacterial decorative film provided by the invention.
Detailed Description
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "including" and "having," and any variations thereof in the description and claims of this application and the description of the figures above, are intended to cover non-exclusive inclusions. The terms "first," "second," and the like in the description and claims of this application or in the foregoing drawings are used for distinguishing between different objects and not for describing a particular sequential order.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein may be combined with other embodiments.
Example 1
Weighing the following raw materials in parts by weight: 90 parts of PETG, 10 parts of toughening agent, 4 parts of flame retardant, 2 parts of antioxidant, 20 parts of modified polyethylene glycol, 10 parts of talcum powder microcapsule, 4 parts of organic silicon acrylate, 6 parts of fluorine-containing acrylate and 5 parts of antibacterial agent, wherein the PETG, the toughening agent, the flame retardant, the antioxidant, the modified polyethylene glycol and the talcum powder microcapsule are placed in a stirring cavity to be fully mixed, heated to 200 ℃, and extruded to a molding cavity through a screw; rolling and molding the mixed material in the molding cavity through a molding machine, then heating to 190 ℃, cooling, and coiling to obtain a base film; fully mixing the organic silicon acrylate, the fluorine-containing acrylate and the antibacterial agent for 20min to obtain the antibacterial coating; and coating a layer of antibacterial coating on the surface of the obtained base film by using a gravure printing roller, carrying out ultrasonic treatment, and then carrying out ultraviolet cold light curing to obtain the stretch-proof antibacterial decorative film.
Wherein the toughening agent is MBS, the flame retardant is a phosphorus flame retardant, and the antioxidant is an antioxidant TNP.
Specifically, the preparation method of the modified polyethylene glycol comprises the following steps: weighing 3-amino-1, 2-propanediol, a silane coupling agent and potassium tripolyphosphate, wherein the mass ratio of the 3-amino-1, 2-propanediol to the silane coupling agent to the potassium tripolyphosphate is 1.
In the embodiment, the talcum powder microcapsule is obtained by coating the surface of talcum powder filler with talcum powder filler as a capsule core and urea-formaldehyde resin as a capsule wall material;
specifically, the preparation method of the talcum powder microcapsule comprises the following steps:
taking polyvinyl alcohol, 5% by mass of formaldehyde solution and melamine, wherein the mass ratio of the polyvinyl alcohol to the formaldehyde solution to the melamine is 1:1:2, adding polyvinyl alcohol into formaldehyde, heating to 40 ℃, dissolving the polyvinyl alcohol in the formaldehyde completely, adjusting the pH value to 7.2, adding melamine, and reacting for 0.5h at the temperature of 50 ℃ to obtain a urea-formaldehyde resin prepolymer;
mixing the urea-formaldehyde resin prepolymer with a surfactant aqueous solution with the mass fraction of 20% according to the weight ratio of 1:8, adding talcum powder and gelatin after stirring for 0.5h, adjusting the pH of the system to 2, reacting for 1h at 50 ℃, filtering, washing and drying to obtain the talcum powder microcapsule, wherein the weight ratio of the urea-formaldehyde resin prepolymer to the talcum powder to the gelatin is 1.
Preferably, the antibacterial agent comprises chitosan, citric acid and nano silver solution, and the mass ratio of the chitosan to the citric acid is 1:1 are mixed.
Example 2
Weighing the following raw materials in parts by weight: 50 parts of each of APET and PETG, 12 parts of toughening agent, 4.5 parts of flame retardant, 3 parts of antioxidant, 22 parts of modified polyethylene glycol, 12 parts of talcum powder microcapsule, 5 parts of organic silicon acrylate, 7 parts of fluorine-containing acrylate and 6 parts of antibacterial agent, placing the APET, the PETG, the toughening agent, the flame retardant, the antioxidant, the modified polyethylene glycol and the talcum powder microcapsule into a stirring cavity for fully mixing, heating to 200 ℃, and extruding to a molding cavity through a screw; rolling and molding the mixed material in the molding cavity by a molding machine, then heating to 190 ℃, cooling and coiling to obtain a base film; fully mixing the organic silicon acrylate, the fluorine-containing acrylate and the antibacterial agent for 20min to obtain the antibacterial coating; and coating a layer of antibacterial coating on the surface of the obtained base film by using a gravure printing roller, carrying out ultrasonic treatment, and then carrying out ultraviolet cold light curing to obtain the stretch-proof antibacterial decorative film.
Wherein the toughening agent is MBS, the flame retardant is a phosphorus flame retardant, and the antioxidant is an antioxidant TNP.
Specifically, the preparation method of the modified polyethylene glycol comprises the following steps: weighing 3-amino-1, 2-propanediol, a silane coupling agent and potassium tripolyphosphate, wherein the mass ratio of the 3-amino-1, 2-propanediol to the silane coupling agent to the potassium tripolyphosphate is 1.
In the embodiment, the talcum powder microcapsule is obtained by coating the surface of talcum powder filler with talcum powder filler as a capsule core and urea-formaldehyde resin as a capsule wall material;
specifically, the preparation method of the talcum powder microcapsule comprises the following steps:
taking polyvinyl alcohol, 5% by mass of formaldehyde solution and melamine, wherein the mass ratio of the polyvinyl alcohol to the formaldehyde solution to the melamine is 1: (1): (2) Adding polyvinyl alcohol into formaldehyde, heating to 40 ℃, completely dissolving the polyvinyl alcohol in the formaldehyde, adjusting the pH value to 7.2, adding melamine, and reacting for 0.5h at the temperature of 50 ℃ to obtain a urea-formaldehyde resin prepolymer;
mixing the urea-formaldehyde resin prepolymer with a surfactant aqueous solution with the mass fraction of 20% according to the weight ratio of 1:8, adding talcum powder and gelatin after stirring for 0.5h, adjusting the pH of the system to 2, reacting for 1h at 50 ℃, filtering, washing and drying to obtain the talcum powder microcapsule, wherein the weight ratio of the urea-formaldehyde resin prepolymer to the talcum powder to the gelatin is 1.
Preferably, the antibacterial agent comprises chitosan, citric acid and nano silver solution, and the mass ratio of the chitosan to the citric acid is 1:1 by mixing.
Example 3
Weighing the following raw materials in parts by weight: 105 parts of PETG, 13 parts of toughening agent, 5 parts of flame retardant, 4 parts of antioxidant, 25 parts of modified polyethylene glycol, 15 parts of talcum powder microcapsule, 6 parts of organic silicon acrylate, 8 parts of fluorine-containing acrylate and 7 parts of antibacterial agent, wherein the PETG, the toughening agent, the flame retardant, the antioxidant, the modified polyethylene glycol and the talcum powder microcapsule are placed in a stirring cavity to be fully mixed, heated to 210 ℃, and extruded to a molding cavity through a screw; rolling and molding the mixed material in the molding cavity by a molding machine, then heating to 200 ℃, cooling and coiling to obtain a base film; fully mixing the organic silicon acrylate, the fluorine-containing acrylate and the antibacterial agent for 25min to obtain the antibacterial coating; and coating a layer of antibacterial coating on the surface of the obtained base film by using a gravure printing roller, carrying out ultrasonic treatment, and then carrying out ultraviolet cold light curing to obtain the stretch-proof antibacterial decorative film.
Wherein the toughening agent is MBS, the flame retardant is a phosphorus flame retardant, and the antioxidant is an antioxidant TNP.
Specifically, the preparation method of the modified polyethylene glycol comprises the following steps: weighing 3-amino-1, 2-propanediol, a silane coupling agent and potassium tripolyphosphate, wherein the mass ratio of the 3-amino-1, 2-propanediol to the silane coupling agent to the potassium tripolyphosphate is 1.
In the embodiment, the talcum powder microcapsule is obtained by coating the surface of talcum powder filler with talcum powder filler as a capsule core and urea-formaldehyde resin as a capsule wall material;
specifically, the preparation method of the talcum powder microcapsule comprises the following steps:
taking polyvinyl alcohol, 5-10% by mass of formaldehyde solution and melamine, wherein the mass ratio of polyvinyl alcohol to formaldehyde solution to melamine is 1:2:3, adding polyvinyl alcohol into formaldehyde, heating to 45 ℃, completely dissolving the polyvinyl alcohol in the formaldehyde, adjusting the pH value to 7.4, adding melamine, and reacting for 0.8h at the temperature of 55 ℃ to obtain a urea-formaldehyde resin prepolymer;
mixing the urea-formaldehyde resin prepolymer with 20-30% of surfactant aqueous solution according to the weight percentage of 1:10, stirring for 0.7h, adding talcum powder and gelatin, adjusting the pH of the system to 3, reacting for 1-3h at 60 ℃, filtering, washing and drying to obtain the talcum powder microcapsule, wherein the weight ratio of the urea-formaldehyde resin prepolymer to the talcum powder to the gelatin is 1.5.
Preferably, the antibacterial agent comprises chitosan, citric acid and nano silver solution, and the mass ratio of the chitosan to the citric acid is 1.50.3:1 by mixing.
Example 4
Weighing the following raw materials in parts by weight: 110 parts of APET, 14 parts of toughening agent, 5.5 parts of flame retardant, 5 parts of antioxidant, 28 parts of modified polyethylene glycol, 18 parts of talcum powder microcapsule, 7 parts of organic silicon acrylate, 9 parts of fluorine-containing acrylate and 8 parts of antibacterial agent, wherein the APET, the toughening agent, the flame retardant, the antioxidant, the modified polyethylene glycol and the talcum powder microcapsule are placed in a stirring cavity to be fully mixed, heated to 220 ℃, and extruded to a molding cavity through a screw; rolling and molding the mixed material in the molding cavity by a molding machine, then heating to 210 ℃, cooling and coiling to obtain a base film; fully mixing the organic silicon acrylate, the fluorine-containing acrylate and the antibacterial agent for 30min to obtain the antibacterial coating; and coating a layer of antibacterial coating on the surface of the obtained base film by using a gravure printing roller, carrying out ultrasonic treatment, and then carrying out ultraviolet cold light curing to obtain the stretch-proof antibacterial decorative film.
Wherein the toughening agent is MBS, the flame retardant is a phosphorus flame retardant, and the antioxidant is an antioxidant TNP.
Specifically, the preparation method of the modified polyethylene glycol comprises the following steps: weighing 3-amino-1, 2-propanediol, a silane coupling agent and potassium tripolyphosphate, wherein the mass ratio of the 3-amino-1, 2-propanediol to the silane coupling agent to the potassium tripolyphosphate is 1.
In the embodiment, the talcum powder microcapsule is obtained by coating the surface of talcum powder filler with talcum powder filler as a capsule core and urea-formaldehyde resin as a capsule wall material;
specifically, the preparation method of the talcum powder microcapsule comprises the following steps:
taking polyvinyl alcohol, 10% by mass of formaldehyde solution and melamine, wherein the mass ratio of polyvinyl alcohol to formaldehyde solution to melamine is 1:3:4, adding polyvinyl alcohol into formaldehyde, heating to 50 ℃, dissolving the polyvinyl alcohol in the formaldehyde completely, adjusting the pH value to 7.6, adding melamine, and reacting for 0.1h at the temperature of 60 ℃ to obtain a urea-formaldehyde resin prepolymer;
mixing the urea-formaldehyde resin prepolymer with a surfactant aqueous solution with the mass fraction of 30% according to the weight ratio of 1:12, stirring for 0.1h, adding talcum powder and gelatin, adjusting the pH of the system to 4, reacting for 3h at 70 ℃, filtering, washing and drying to obtain the talcum powder microcapsule, wherein the weight ratio of the urea resin prepolymer to the talcum powder to the gelatin is (2).
Preferably, the antibacterial agent comprises chitosan, citric acid and a nano silver solution, and the mass ratio of the chitosan to the citric acid is 2:1 are mixed.
Example 5
Weighing the following raw materials in parts by weight: 120 parts of PETG, 16 parts of toughening agent, 6 parts of flame retardant, 6 parts of antioxidant, 30 parts of modified polyethylene glycol, 20 parts of talcum powder microcapsule, 8 parts of organic silicon acrylate, 10 parts of fluorine-containing acrylate and 9 parts of antibacterial agent, wherein the PETG, the toughening agent, the flame retardant, the antioxidant, the modified polyethylene glycol and the talcum powder microcapsule are placed in a stirring cavity to be fully mixed, heated to 220 ℃, and extruded to a molding cavity through a screw; rolling and molding the mixed material in the molding cavity by a molding machine, then heating to 210 ℃, cooling and coiling to obtain a base film; fully mixing the organic silicon acrylate, the fluorine-containing acrylate and the antibacterial agent for 30min to obtain an antibacterial coating; and coating a layer of antibacterial coating on the surface of the obtained base film by using a gravure printing roller, carrying out ultrasonic treatment, and then carrying out ultraviolet cold light curing to obtain the stretch-proof antibacterial decorative film.
Wherein the toughening agent is MBS, the flame retardant is a phosphorus flame retardant, and the antioxidant is an antioxidant TNP.
Specifically, the preparation method of the modified polyethylene glycol comprises the following steps: weighing 3-amino-1, 2-propanediol, a silane coupling agent and potassium tripolyphosphate, wherein the mass ratio of the 3-amino-1, 2-propanediol to the silane coupling agent to the potassium tripolyphosphate is 1.
In the embodiment, the talcum powder microcapsule is obtained by coating the surface of talcum powder filler with talcum powder filler as a capsule core and urea-formaldehyde resin as a capsule wall material;
specifically, the preparation method of the talcum powder microcapsule comprises the following steps:
taking polyvinyl alcohol, 10% by mass of formaldehyde solution and melamine, wherein the mass ratio of the polyvinyl alcohol to the formaldehyde solution is 1:3:4, adding polyvinyl alcohol into formaldehyde, heating to 50 ℃, dissolving the polyvinyl alcohol in the formaldehyde completely, adjusting the pH value to 7.6, adding melamine, and reacting for 0.1h at the temperature of 60 ℃ to obtain a urea-formaldehyde resin prepolymer;
mixing the urea-formaldehyde resin prepolymer with a surfactant aqueous solution with the mass fraction of 30% according to the weight ratio of 1:12, stirring for 0.1h, adding talcum powder and gelatin, adjusting the pH of the system to 4, reacting for 3h at 70 ℃, filtering, washing and drying to obtain the talcum powder microcapsule, wherein the weight ratio of the urea resin prepolymer to the talcum powder to the gelatin is (2).
Preferably, the antibacterial agent comprises chitosan, citric acid and a nano silver solution, and the mass ratio of the chitosan to the citric acid is 2:1 are mixed.
Comparative example 1
Compared with the embodiment 3, the modified polyethylene glycol is replaced by the common polyethylene glycol;
comparative example 2
Compared with example 3, no talc powder microcapsule is contained;
comparative example 3
Compared with the embodiment 3, the modified polyethylene glycol is replaced by the common polyethylene glycol without the talcum powder microcapsule;
comparative example 4
A commercially available decorative film.
Experiment of the invention
The decorative film indexes of examples 1 to 5 and comparative examples 1 to 4 were tested, and the test data are shown in the following table;
the data show that the decorative film prepared by the method has excellent tensile property, the talcum powder microcapsule and the modified polyethylene glycol are cooperated to synergize, the talcum powder microcapsule and the modified polyethylene glycol react with each other to form a network structure, the tensile property of the decorative film can be obviously improved, and the decorative film has wide application prospect.
It should be noted that for the sake of simplicity, the above-mentioned embodiments are all described as a series of acts or combinations, but those skilled in the art should understand that the present invention is not limited by the described acts or sequences, as some steps may be performed in other sequences or simultaneously according to the present invention. Further, those skilled in the art should also appreciate that the embodiments described in the specification are preferred embodiments and that the acts and modules referred to are not necessarily required by the invention.
The above examples are only used to illustrate the technical solutions of the present invention, and do not limit the scope of the present invention. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from these embodiments without making any inventive step, fall within the scope of the present invention. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art may still make various combinations, additions, deletions or other modifications of the features of the embodiments of the present invention according to the situation without conflict, so as to obtain different technical solutions without substantially departing from the spirit of the present invention, and these technical solutions also fall within the protection scope of the present invention.
Claims (10)
1. The stretch-proof antibacterial decorative film is characterized by comprising the following raw materials in parts by weight: 90-120 parts of APET and/or PETG, 10-16 parts of toughening agent, 4-6 parts of flame retardant, 2-6 parts of antioxidant, 20-30 parts of modified polyethylene glycol, 10-20 parts of talcum powder microcapsule, 4-8 parts of organic silicon acrylate, 6-10 parts of fluorine-containing acrylate and 5-9 parts of antibacterial agent.
2. A stretch-proof antibacterial decorative film according to claim 1, comprising the following raw materials in parts by weight: 100-110 parts of APET and/or PETG, 12-14 parts of toughening agent, 4.5-5.5 parts of flame retardant, 3-5 parts of antioxidant, 22-28 parts of modified polyethylene glycol, 12-18 parts of talcum powder microcapsule, 5-7 parts of organic silicon acrylate, 7-9 parts of fluorine-containing acrylate and 6-8 parts of antibacterial agent.
3. The stretch-proof antibacterial decorative film of claim 2, comprising the following raw materials in parts by weight: 105 parts of APET and/or PETG, 13 parts of flexibilizer, 5 parts of flame retardant, 4 parts of antioxidant, 25 parts of modified polyethylene glycol, 15 parts of talcum powder microcapsule, 6 parts of organic silicon acrylate, 8 parts of fluorine-containing acrylate and 7 parts of antibacterial agent.
4. The stretch-proof antibacterial decorative film according to claim 1, wherein the toughening agent is MBS, the flame retardant is a phosphorus flame retardant, and the antioxidant is TNP.
5. The stretch-proof antibacterial decorative film of claim 1, wherein the modified polyethylene glycol is prepared by the following method: weighing 3-amino-1, 2-propylene glycol, a silane coupling agent and potassium tripolyphosphate, placing the materials in a reaction kettle, fully and uniformly stirring to obtain a mixture A, then adding polyethylene glycol 6-10 times the weight of the mixture A, then raising the temperature in the reaction kettle to 60-80 ℃, and carrying out ultraviolet irradiation on the mixed material liquid in the reaction kettle for 3-5 hours while stirring to obtain the required modified polyethylene glycol.
6. The stretch-proof antibacterial decorative film according to claim 5, wherein the mass ratio of the 3-amino-1, 2-propanediol to the silane coupling agent to the potassium tripolyphosphate is 1.
7. The stretch-proof antibacterial decorative film of claim 1, wherein the talcum powder microcapsule is obtained by coating talcum powder filler as a capsule core and urea-formaldehyde resin as a capsule wall material on the surface of the talcum powder filler.
8. The stretch-proof antibacterial decorative film of claim 7, wherein the talc microcapsules are prepared by the following method:
taking polyvinyl alcohol, 5-10% by mass of formaldehyde solution and melamine, wherein the mass ratio of polyvinyl alcohol to formaldehyde solution to melamine is 1: (1-3): (2-4), adding polyvinyl alcohol into formaldehyde, heating to 40-50 ℃, adjusting the pH to 7.2-7.6 after the polyvinyl alcohol in the formaldehyde is completely dissolved, adding melamine, and reacting for 0.5-1h at the temperature of 50-60 ℃ to obtain a urea-formaldehyde resin prepolymer;
mixing the urea-formaldehyde resin prepolymer with 20-30% of surfactant aqueous solution according to the mass ratio of 1: (8-12), stirring for 0.5-1h, adding talcum powder and gelatin, wherein the weight ratio of the urea-formaldehyde resin prepolymer to the talcum powder to the gelatin is (1-2) to (1) (0.1-0.3), adjusting the pH of the system to 2-4, reacting for 1-3h at 50-70 ℃, filtering, washing and drying to obtain the talcum powder microcapsule.
9. The stretch-proof antibacterial decorative film of claim 6, wherein the antibacterial agent comprises chitosan, citric acid and nano silver solution, and the mass ratio of the chitosan to the citric acid is 1-2: 1 are mixed.
10. A method for producing a stretch-proof antibacterial decorative film according to any one of claims 1 to 9, comprising the steps of:
1) Weighing the raw materials according to the proportion;
2) Placing APET and/or PETG, a toughening agent, a flame retardant, an antioxidant, modified polyethylene glycol and talcum powder microcapsules into a stirring cavity for fully mixing, heating to 200-220 ℃, and extruding to a forming cavity through a screw;
3) Calendering and molding the mixed material in the molding cavity by a molding machine, then heating to 190-210 ℃, cooling, and coiling to obtain a base film;
4) Fully mixing the organic silicon acrylate, the fluorine-containing acrylate and the antibacterial agent for 20-30min to obtain the antibacterial coating;
5) And coating a layer of antibacterial coating on the surface of the obtained base film by using a gravure printing roller, carrying out ultrasonic treatment, and then carrying out ultraviolet cold light curing to obtain the stretch-proof antibacterial decorative film.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115948058A (en) * | 2023-02-21 | 2023-04-11 | 浙江职信通信科技有限公司 | Preparation method of antibacterial and deodorant plastic modified material |
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| JP2003231761A (en) * | 2002-02-07 | 2003-08-19 | Riken Technos Corp | Decorative film and laminated decorative sheet |
| CN111662474A (en) * | 2020-07-16 | 2020-09-15 | 吾优新材料科技(江苏)有限公司 | Preparation process and formula of antibacterial decorative film |
| CN113136092A (en) * | 2021-05-07 | 2021-07-20 | 河南银金达新材料股份有限公司 | Antibacterial and antistatic APET composite material and preparation method thereof |
| CN115323778A (en) * | 2022-08-16 | 2022-11-11 | 汕头市润丰纺织科技实业有限公司 | Chitosan-I type collagen amino acid composite antibacterial finishing liquid, preparation method thereof and antibacterial fabric |
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| JP2003231761A (en) * | 2002-02-07 | 2003-08-19 | Riken Technos Corp | Decorative film and laminated decorative sheet |
| CN111662474A (en) * | 2020-07-16 | 2020-09-15 | 吾优新材料科技(江苏)有限公司 | Preparation process and formula of antibacterial decorative film |
| CN113136092A (en) * | 2021-05-07 | 2021-07-20 | 河南银金达新材料股份有限公司 | Antibacterial and antistatic APET composite material and preparation method thereof |
| CN115323778A (en) * | 2022-08-16 | 2022-11-11 | 汕头市润丰纺织科技实业有限公司 | Chitosan-I type collagen amino acid composite antibacterial finishing liquid, preparation method thereof and antibacterial fabric |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115948058A (en) * | 2023-02-21 | 2023-04-11 | 浙江职信通信科技有限公司 | Preparation method of antibacterial and deodorant plastic modified material |
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