CN114058272A - Production method of luminous flow pattern EVA (ethylene vinyl acetate) laminated glass film - Google Patents

Production method of luminous flow pattern EVA (ethylene vinyl acetate) laminated glass film Download PDF

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Publication number
CN114058272A
CN114058272A CN202111649576.7A CN202111649576A CN114058272A CN 114058272 A CN114058272 A CN 114058272A CN 202111649576 A CN202111649576 A CN 202111649576A CN 114058272 A CN114058272 A CN 114058272A
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eva
noctilucent
powder
laminated glass
glass film
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陈礼亮
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Nanjing Xiezhong Membrane Material Technology Co ltd
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Nanjing Xiezhong Membrane Material Technology Co ltd
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    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J7/00Adhesives in the form of films or foils
    • C09J7/10Adhesives in the form of films or foils without carriers
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J11/00Features of adhesives not provided for in group C09J9/00, e.g. additives
    • C09J11/02Non-macromolecular additives
    • C09J11/04Non-macromolecular additives inorganic
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J11/00Features of adhesives not provided for in group C09J9/00, e.g. additives
    • C09J11/08Macromolecular additives
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J123/00Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers
    • C09J123/02Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers not modified by chemical after-treatment
    • C09J123/04Homopolymers or copolymers of ethene
    • C09J123/08Copolymers of ethene
    • C09J123/0846Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
    • C09J123/0853Vinylacetate
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/02Elements
    • C08K3/08Metals
    • C08K2003/085Copper
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/18Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20Oxides; Hydroxides
    • C08K3/22Oxides; Hydroxides of metals
    • C08K2003/221Oxides; Hydroxides of metals of rare earth metal
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/30Sulfur-, selenium- or tellurium-containing compounds
    • C08K2003/3009Sulfides
    • C08K2003/3036Sulfides of zinc
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00Specific properties of additives
    • C08K2201/014Additives containing two or more different additives of the same subgroup in C08K
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09JADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J2301/00Additional features of adhesives in the form of films or foils
    • C09J2301/40Additional features of adhesives in the form of films or foils characterized by the presence of essential components
    • C09J2301/408Additional features of adhesives in the form of films or foils characterized by the presence of essential components additives as essential feature of the adhesive layer

Abstract

The invention belongs to the field of glass films, in particular to a production method of a noctilucent flow pattern EVA (ethylene vinyl acetate) sandwich glass film, which aims at solving the problems of poor brightness continuity and a large number of small black spots in the prior art, and provides the following scheme, comprising the following steps: the prepared material comprises 60-80 parts of EVA resin, 2-10 parts of noctilucent powder, 2-5 parts of coupling agent, 3-5 parts of antioxidant and 5-8 parts of auxiliary agent, wherein the noctilucent powder comprises polystyrene, yttrium oxide, aluminate, barium magnesium aluminate, zinc sulfide, copper powder and dispersing agent, and is prepared from polystyrene, yttrium oxide, aluminate, barium magnesium aluminate, zinc sulfide, copper powder and dispersing agent, so that the film has good persistence of brightness, can emit fluorescence for a long time, has good stability, does not need to supplement a light source, has good dispersibility among materials, can be fused with each other, avoids the occurrence of small black spots in the film, improves the transparency of the film and ensures the quality of products.

Description

Production method of luminous flow pattern EVA (ethylene vinyl acetate) laminated glass film
Technical Field
The invention relates to the technical field of glass films, in particular to a production method of a noctilucent flow pattern EVA (ethylene vinyl acetate) laminated glass film.
Background
The invention discloses a production process of an ionic safety glass film, wherein an EVA material is adopted to replace a traditional PVB material, and a low-temperature forming process is adopted in the production process, so that the prepared safety glass film can be laminated with glass at a lower temperature, and the formed laminated glass has high structural strength and high safety.
However, the production process of the ionic safety glass film also has some problems, for example, the persistence of fluorescence is poor, the fluorescence can only be continuously emitted for two to three hours, the light can be continuously emitted only by continuously supplementing a light source, and the dispersibility of the material is poor, so that a large number of small black spots are often present in the formed film, the transparency of the film is affected, and the quality of the product is reduced.
Disclosure of Invention
Based on the problems of poor continuity of brightness and a large number of small black spots in the background technology, the invention provides a production method of a noctilucent flow pattern EVA laminated glass film.
The invention provides a production method of a noctilucent flow pattern EVA laminated glass film, which comprises the following steps:
s1: the prepared material comprises 60-80 parts of EVA resin, 2-10 parts of noctilucent powder, 2-5 parts of coupling agent, 3-5 parts of antioxidant and 5-8 parts of auxiliary agent, wherein the noctilucent powder comprises polystyrene, yttrium oxide, aluminate, barium magnesium aluminate, zinc sulfide, copper powder and dispersing agent, the dispersing agent is a high molecular dispersing agent, and the auxiliary agent comprises titanium dioxide, N' -Ethylene Bis Stearamide (EBS) modifier and magnesium stearate;
s2: freezing the noctilucent powder in a refrigeration house, pouring the coupling agent, the antioxidant and the auxiliary agent into a reaction kettle, and uniformly stirring to obtain a mixture;
s3: firstly, adding EVA resin into stirring equipment, raising the temperature to 150-260 ℃, stirring and reacting for 30-45 minutes, then adding the frozen noctilucent powder into the EVA resin, continuously stirring, adding the mixture into the EVA resin again after uniformly stirring, and continuously stirring and reacting for 15-30 minutes to prepare EVA film liquid;
s4: and (3) introducing the EVA film liquid into an extruder, extruding the EVA film liquid into a film by using a T-shaped die head, and cooling and molding the extruded EVA film by using a cooling device to obtain the luminous flow pattern EVA laminated glass film.
Preferably, in S1, the proportion of the internal material of the noctilucent powder is 0-30% polystyrene, 0-25% yttrium oxide, 0-25% aluminate, 0-25% barium magnesium aluminate, 0-20% zinc sulfide, 1-5% copper powder and 15-45% dispersant.
Preferably, in S1, the dispersant is one or more of polyethylene wax, paraffin wax, EVA wax, beeswax and copolyester wax, and the mass concentration of the noctilucent powder is 50-84%.
Preferably, in S1, the preparation method of the luminescent powder comprises the following steps: weighing polystyrene, yttrium oxide, aluminate, barium magnesium aluminate, zinc sulfide, copper powder and a dispersing agent according to a proportion, pouring the mixture into a reaction kettle, stirring for reaction, controlling the temperature to be 70-120 ℃, reacting for 5-15 minutes until the materials are completely melted and uniformly mixed, pouring the materials into an extrusion granulator for extrusion granulation, cooling and molding to obtain noctilucent particles, pouring the noctilucent particles into a grinding device for grinding, and sieving the prepared dust with a 100-mesh sieve to obtain noctilucent powder.
Preferably, in S1, the weight ratio of the titanium dioxide, the N, N' -Ethylene Bis Stearamide (EBS) modifier and the magnesium stearate in the adjuvant is 35-50: 5-10: 40-50.
Preferably, in S1, the preparation method of the adjuvant: pouring the materials into a reaction kettle, injecting inert gas for protection, raising the temperature to 60-110 ℃, and reacting for 15-30 minutes to obtain the auxiliary agent.
Preferably, in S1, the antioxidant is a mixture of emulsion type antioxidant and powder type antioxidant.
Preferably, in S1, the coupling agent is a mixture of aminopropylmethyldimethoxysilane, aminoethylaminopropyltrimethoxysilane and vinyltrimethoxysilane.
Preferably, in S3, the melt index of the EVA resin at 190 ℃ is 10g/10 min-35 g/10 min.
Preferably, in S4, the EVA glass film is produced by a casting film forming process, and the extrusion temperature of the extruder is 100-140 ℃.
The invention has the beneficial effects that:
the noctilucent powder is prepared from polystyrene, yttrium oxide, aluminate, barium magnesium aluminate, zinc sulfide, copper powder and a dispersing agent, so that the film has good persistence of brightness emission, can emit fluorescence for a long time, has good stability, does not need to supplement a light source, has good dispersibility among materials, can be fused with each other, avoids the occurrence of small black spots in the film, further improves the transparency of the film and ensures the product quality.
Drawings
Fig. 1 is a flow chart of the present invention.
Detailed Description
The present invention will be further illustrated with reference to the following specific examples.
Referring to FIG. 1, the first embodiment
The embodiment provides a production method of a noctilucent flow pattern EVA laminated glass film, which comprises the following steps:
s1: the prepared material comprises 60 parts of EVA resin, 2 parts of noctilucent powder, 2 parts of coupling agent, 3 parts of antioxidant and 5 parts of auxiliary agent, wherein the noctilucent powder comprises polystyrene, yttrium oxide, aluminate, barium magnesium aluminate, zinc sulfide, copper powder and dispersing agent, the dispersing agent is a high molecular dispersing agent, the auxiliary agent comprises titanium dioxide, the material inside the noctilucent powder comprises 0-30% of polystyrene, 0-25% of yttrium oxide, 0-25% of aluminate, 0-25% of barium magnesium aluminate, 0-20% of zinc sulfide, 1-5% of copper powder and 15-45% of a dispersing agent, wherein the dispersing agent is one or more of polyethylene wax, paraffin wax, EVA wax, beeswax and copolyester wax, the mass concentration of the noctilucent powder is 50-84%, and the preparation method of the noctilucent powder comprises the following steps: weighing polystyrene, yttrium oxide, aluminate, barium magnesium aluminate, zinc sulfide, copper powder and a dispersing agent according to a proportion, pouring the polystyrene, yttrium oxide, aluminate, barium magnesium aluminate, zinc sulfide, copper powder and the dispersing agent into a reaction kettle, stirring for reaction, controlling the temperature at 70-120 ℃, reacting for 5-15 minutes until the materials are completely melted and uniformly mixed, pouring the materials into an extrusion granulator, extruding for granulation, cooling for molding to obtain noctilucent particles, pouring the noctilucent particles into a grinding device for grinding, sieving the prepared dust with a 100-mesh sieve to obtain noctilucent powder, wherein the weight ratio of titanium dioxide, N' -Ethylene Bis Stearamide (EBS) modifier to magnesium stearate in an auxiliary agent is 35-50: 5-10: 40-50, and the preparation method of the auxiliary agent comprises the following steps: pouring the materials into a reaction kettle, injecting inert gas for protection, raising the temperature to 60-110 ℃, and reacting for 15-30 minutes to prepare an auxiliary agent, wherein the antioxidant is a mixture of an emulsion antioxidant and a powder antioxidant, and the coupling agent is a mixture of aminopropylmethyldimethoxysilane, aminoethylaminopropyl trimethoxysilane and vinyl trimethoxysilane;
s2: freezing the noctilucent powder in a refrigeration house, pouring the coupling agent, the antioxidant and the auxiliary agent into a reaction kettle, and uniformly stirring to obtain a mixture;
s3: firstly, adding EVA resin into stirring equipment, raising the temperature to 150-260 ℃, stirring for reacting for 30-45 minutes, adding the frozen noctilucent powder into the EVA resin, continuously stirring, adding the mixture into the EVA resin again after uniformly stirring, and continuously stirring for reacting for 15-30 minutes to prepare EVA film liquid, wherein the melt index of the EVA resin at 190 ℃ is 10g/10 min-35 g/10 min;
s4: and (2) introducing the EVA film liquid into an extruder, extruding the EVA film liquid into a film by using a T-shaped die, cooling and molding the extruded EVA film by using a cooling device to obtain the luminous flow pattern EVA laminated glass film, and generating the EVA glass film by adopting a tape casting film forming process, wherein the extrusion temperature of the extruder is 100-140 ℃.
Referring to FIG. 1, example II
The embodiment provides a production method of a noctilucent flow pattern EVA laminated glass film, which comprises the following steps:
s1: the prepared material comprises 65 parts of EVA resin, 4 parts of noctilucent powder, 3 parts of coupling agent, 3 parts of antioxidant and 6 parts of auxiliary agent, wherein the noctilucent powder comprises polystyrene, yttrium oxide, aluminate, barium magnesium aluminate, zinc sulfide, copper powder and dispersing agent, the dispersing agent is a high molecular dispersing agent, the auxiliary agent comprises titanium dioxide, the material inside the noctilucent powder comprises 0-30% of polystyrene, 0-25% of yttrium oxide, 0-25% of aluminate, 0-25% of barium magnesium aluminate, 0-20% of zinc sulfide, 1-5% of copper powder and 15-45% of a dispersing agent, wherein the dispersing agent is one or more of polyethylene wax, paraffin wax, EVA wax, beeswax and copolyester wax, the mass concentration of the noctilucent powder is 50-84%, and the preparation method of the noctilucent powder comprises the following steps: weighing polystyrene, yttrium oxide, aluminate, barium magnesium aluminate, zinc sulfide, copper powder and a dispersing agent according to a proportion, pouring the polystyrene, yttrium oxide, aluminate, barium magnesium aluminate, zinc sulfide, copper powder and the dispersing agent into a reaction kettle, stirring for reaction, controlling the temperature at 70-120 ℃, reacting for 5-15 minutes until the materials are completely melted and uniformly mixed, pouring the materials into an extrusion granulator, extruding for granulation, cooling for molding to obtain noctilucent particles, pouring the noctilucent particles into a grinding device for grinding, sieving the prepared dust with a 100-mesh sieve to obtain noctilucent powder, wherein the weight ratio of titanium dioxide, N' -Ethylene Bis Stearamide (EBS) modifier to magnesium stearate in an auxiliary agent is 35-50: 5-10: 40-50, and the preparation method of the auxiliary agent comprises the following steps: pouring the materials into a reaction kettle, injecting inert gas for protection, raising the temperature to 60-110 ℃, and reacting for 15-30 minutes to prepare an auxiliary agent, wherein the antioxidant is a mixture of an emulsion antioxidant and a powder antioxidant, and the coupling agent is a mixture of aminopropylmethyldimethoxysilane, aminoethylaminopropyl trimethoxysilane and vinyl trimethoxysilane;
s2: freezing the noctilucent powder in a refrigeration house, pouring the coupling agent, the antioxidant and the auxiliary agent into a reaction kettle, and uniformly stirring to obtain a mixture;
s3: firstly, adding EVA resin into stirring equipment, raising the temperature to 150-260 ℃, stirring for reacting for 30-45 minutes, adding the frozen noctilucent powder into the EVA resin, continuously stirring, adding the mixture into the EVA resin again after uniformly stirring, and continuously stirring for reacting for 15-30 minutes to prepare EVA film liquid, wherein the melt index of the EVA resin at 190 ℃ is 10g/10 min-35 g/10 min;
s4: and (2) introducing the EVA film liquid into an extruder, extruding the EVA film liquid into a film by using a T-shaped die, cooling and molding the extruded EVA film by using a cooling device to obtain the luminous flow pattern EVA laminated glass film, and generating the EVA glass film by adopting a tape casting film forming process, wherein the extrusion temperature of the extruder is 100-140 ℃.
Referring to FIG. 1, example III
The embodiment provides a production method of a noctilucent flow pattern EVA laminated glass film, which comprises the following steps:
s1: the prepared material comprises 70 parts of EVA resin, 6 parts of noctilucent powder, 2 parts of coupling agent, 3 parts of antioxidant and 5 parts of auxiliary agent, wherein the noctilucent powder comprises polystyrene, yttrium oxide, aluminate, barium magnesium aluminate, zinc sulfide, copper powder and dispersing agent, the dispersing agent is a high molecular dispersing agent, the auxiliary agent comprises titanium dioxide, the material inside the noctilucent powder comprises 0-30% of polystyrene, 0-25% of yttrium oxide, 0-25% of aluminate, 0-25% of barium magnesium aluminate, 0-20% of zinc sulfide, 1-5% of copper powder and 15-45% of a dispersing agent, wherein the dispersing agent is one or more of polyethylene wax, paraffin wax, EVA wax, beeswax and copolyester wax, the mass concentration of the noctilucent powder is 50-84%, and the preparation method of the noctilucent powder comprises the following steps: weighing polystyrene, yttrium oxide, aluminate, barium magnesium aluminate, zinc sulfide, copper powder and a dispersing agent according to a proportion, pouring the polystyrene, yttrium oxide, aluminate, barium magnesium aluminate, zinc sulfide, copper powder and the dispersing agent into a reaction kettle, stirring for reaction, controlling the temperature at 70-120 ℃, reacting for 5-15 minutes until the materials are completely melted and uniformly mixed, pouring the materials into an extrusion granulator, extruding for granulation, cooling for molding to obtain noctilucent particles, pouring the noctilucent particles into a grinding device for grinding, sieving the prepared dust with a 100-mesh sieve to obtain noctilucent powder, wherein the weight ratio of titanium dioxide, N' -Ethylene Bis Stearamide (EBS) modifier to magnesium stearate in an auxiliary agent is 35-50: 5-10: 40-50, and the preparation method of the auxiliary agent comprises the following steps: pouring the materials into a reaction kettle, injecting inert gas for protection, raising the temperature to 60-110 ℃, and reacting for 15-30 minutes to prepare an auxiliary agent, wherein the antioxidant is a mixture of an emulsion antioxidant and a powder antioxidant, and the coupling agent is a mixture of aminopropylmethyldimethoxysilane, aminoethylaminopropyl trimethoxysilane and vinyl trimethoxysilane;
s2: freezing the noctilucent powder in a refrigeration house, pouring the coupling agent, the antioxidant and the auxiliary agent into a reaction kettle, and uniformly stirring to obtain a mixture;
s3: firstly, adding EVA resin into stirring equipment, raising the temperature to 150-260 ℃, stirring for reacting for 30-45 minutes, adding the frozen noctilucent powder into the EVA resin, continuously stirring, adding the mixture into the EVA resin again after uniformly stirring, and continuously stirring for reacting for 15-30 minutes to prepare EVA film liquid, wherein the melt index of the EVA resin at 190 ℃ is 10g/10 min-35 g/10 min;
s4: and (2) introducing the EVA film liquid into an extruder, extruding the EVA film liquid into a film by using a T-shaped die, cooling and molding the extruded EVA film by using a cooling device to obtain the luminous flow pattern EVA laminated glass film, and generating the EVA glass film by adopting a tape casting film forming process, wherein the extrusion temperature of the extruder is 100-140 ℃.
Referring to FIG. 1, example No. four
The embodiment provides a production method of a noctilucent flow pattern EVA laminated glass film, which comprises the following steps:
s1: the prepared material comprises 75 parts of EVA resin, 10 parts of noctilucent powder, 4 parts of coupling agent, 4 parts of antioxidant and 7 parts of auxiliary agent, wherein the noctilucent powder comprises polystyrene, yttrium oxide, aluminate, barium magnesium aluminate, zinc sulfide, copper powder and dispersing agent, the dispersing agent is a high molecular dispersing agent, the auxiliary agent comprises titanium dioxide, the material inside the noctilucent powder comprises 0-30% of polystyrene, 0-25% of yttrium oxide, 0-25% of aluminate, 0-25% of barium magnesium aluminate, 0-20% of zinc sulfide, 1-5% of copper powder and 15-45% of a dispersing agent, wherein the dispersing agent is one or more of polyethylene wax, paraffin wax, EVA wax, beeswax and copolyester wax, the mass concentration of the noctilucent powder is 50-84%, and the preparation method of the noctilucent powder comprises the following steps: weighing polystyrene, yttrium oxide, aluminate, barium magnesium aluminate, zinc sulfide, copper powder and a dispersing agent according to a proportion, pouring the polystyrene, yttrium oxide, aluminate, barium magnesium aluminate, zinc sulfide, copper powder and the dispersing agent into a reaction kettle, stirring for reaction, controlling the temperature at 70-120 ℃, reacting for 5-15 minutes until the materials are completely melted and uniformly mixed, pouring the materials into an extrusion granulator, extruding for granulation, cooling for molding to obtain noctilucent particles, pouring the noctilucent particles into a grinding device for grinding, sieving the prepared dust with a 100-mesh sieve to obtain noctilucent powder, wherein the weight ratio of titanium dioxide, N' -Ethylene Bis Stearamide (EBS) modifier to magnesium stearate in an auxiliary agent is 35-50: 5-10: 40-50, and the preparation method of the auxiliary agent comprises the following steps: pouring the materials into a reaction kettle, injecting inert gas for protection, raising the temperature to 60-110 ℃, and reacting for 15-30 minutes to prepare an auxiliary agent, wherein the antioxidant is a mixture of an emulsion antioxidant and a powder antioxidant, and the coupling agent is a mixture of aminopropylmethyldimethoxysilane, aminoethylaminopropyl trimethoxysilane and vinyl trimethoxysilane;
s2: freezing the noctilucent powder in a refrigeration house, pouring the coupling agent, the antioxidant and the auxiliary agent into a reaction kettle, and uniformly stirring to obtain a mixture;
s3: firstly, adding EVA resin into stirring equipment, raising the temperature to 150-260 ℃, stirring for reacting for 30-45 minutes, adding the frozen noctilucent powder into the EVA resin, continuously stirring, adding the mixture into the EVA resin again after uniformly stirring, and continuously stirring for reacting for 15-30 minutes to prepare EVA film liquid, wherein the melt index of the EVA resin at 190 ℃ is 10g/10 min-35 g/10 min;
s4: and (2) introducing the EVA film liquid into an extruder, extruding the EVA film liquid into a film by using a T-shaped die, cooling and molding the extruded EVA film by using a cooling device to obtain the luminous flow pattern EVA laminated glass film, and generating the EVA glass film by adopting a tape casting film forming process, wherein the extrusion temperature of the extruder is 100-140 ℃.
Referring to FIG. 1, example V
The embodiment provides a production method of a noctilucent flow pattern EVA laminated glass film, which comprises the following steps:
s1: the prepared material comprises 80 parts of EVA resin, 8 parts of noctilucent powder, 5 parts of coupling agent, 5 parts of antioxidant and 8 parts of auxiliary agent, wherein the noctilucent powder comprises polystyrene, yttrium oxide, aluminate, barium magnesium aluminate, zinc sulfide, copper powder and dispersing agent, the dispersing agent is a high molecular dispersing agent, the auxiliary agent comprises titanium dioxide, the material inside the noctilucent powder comprises 0-30% of polystyrene, 0-25% of yttrium oxide, 0-25% of aluminate, 0-25% of barium magnesium aluminate, 0-20% of zinc sulfide, 1-5% of copper powder and 15-45% of a dispersing agent, wherein the dispersing agent is one or more of polyethylene wax, paraffin wax, EVA wax, beeswax and copolyester wax, the mass concentration of the noctilucent powder is 50-84%, and the preparation method of the noctilucent powder comprises the following steps: weighing polystyrene, yttrium oxide, aluminate, barium magnesium aluminate, zinc sulfide, copper powder and a dispersing agent according to a proportion, pouring the polystyrene, yttrium oxide, aluminate, barium magnesium aluminate, zinc sulfide, copper powder and the dispersing agent into a reaction kettle, stirring for reaction, controlling the temperature at 70-120 ℃, reacting for 5-15 minutes until the materials are completely melted and uniformly mixed, pouring the materials into an extrusion granulator, extruding for granulation, cooling for molding to obtain noctilucent particles, pouring the noctilucent particles into a grinding device for grinding, sieving the prepared dust with a 100-mesh sieve to obtain noctilucent powder, wherein the weight ratio of titanium dioxide, N' -Ethylene Bis Stearamide (EBS) modifier to magnesium stearate in an auxiliary agent is 35-50: 5-10: 40-50, and the preparation method of the auxiliary agent comprises the following steps: pouring the materials into a reaction kettle, injecting inert gas for protection, raising the temperature to 60-110 ℃, and reacting for 15-30 minutes to prepare an auxiliary agent, wherein the antioxidant is a mixture of an emulsion antioxidant and a powder antioxidant, and the coupling agent is a mixture of aminopropylmethyldimethoxysilane, aminoethylaminopropyl trimethoxysilane and vinyl trimethoxysilane;
s2: freezing the noctilucent powder in a refrigeration house, pouring the coupling agent, the antioxidant and the auxiliary agent into a reaction kettle, and uniformly stirring to obtain a mixture;
s3: firstly, adding EVA resin into stirring equipment, raising the temperature to 150-260 ℃, stirring for reacting for 30-45 minutes, adding the frozen noctilucent powder into the EVA resin, continuously stirring, adding the mixture into the EVA resin again after uniformly stirring, and continuously stirring for reacting for 15-30 minutes to prepare EVA film liquid, wherein the melt index of the EVA resin at 190 ℃ is 10g/10 min-35 g/10 min;
s4: and (2) introducing the EVA film liquid into an extruder, extruding the EVA film liquid into a film by using a T-shaped die, cooling and molding the extruded EVA film by using a cooling device to obtain the luminous flow pattern EVA laminated glass film, and generating the EVA glass film by adopting a tape casting film forming process, wherein the extrusion temperature of the extruder is 100-140 ℃.
Comparing the conventional EVA laminated glass sheets with the EVA laminated glass sheets prepared in examples one to five, the EVA laminated glass sheets prepared in examples one to five are as follows:
as can be seen from the above table, the fluorescence persistence of the EVA laminated glass film prepared by the invention is obviously improved, the occurrence of small black spots is avoided, and the second embodiment is the best embodiment.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (10)

1. A production method of a noctilucent flow pattern EVA laminated glass film is characterized by comprising the following steps:
s1: the prepared material comprises 60-80 parts of EVA resin, 2-10 parts of noctilucent powder, 2-5 parts of coupling agent, 3-5 parts of antioxidant and 5-8 parts of auxiliary agent, wherein the noctilucent powder comprises polystyrene, yttrium oxide, aluminate, barium magnesium aluminate, zinc sulfide, copper powder and dispersing agent, the dispersing agent is a high molecular dispersing agent, and the auxiliary agent comprises titanium dioxide, N' -Ethylene Bis Stearamide (EBS) modifier and magnesium stearate;
s2: freezing the noctilucent powder in a refrigeration house, pouring the coupling agent, the antioxidant and the auxiliary agent into a reaction kettle, and uniformly stirring to obtain a mixture;
s3: firstly, adding EVA resin into stirring equipment, raising the temperature to 150-260 ℃, stirring and reacting for 30-45 minutes, then adding the frozen noctilucent powder into the EVA resin, continuously stirring, adding the mixture into the EVA resin again after uniformly stirring, and continuously stirring and reacting for 15-30 minutes to prepare EVA film liquid;
s4: and (3) introducing the EVA film liquid into an extruder, extruding the EVA film liquid into a film by using a T-shaped die head, and cooling and molding the extruded EVA film by using a cooling device to obtain the luminous flow pattern EVA laminated glass film.
2. A production method of a noctilucent flow pattern EVA laminated glass film according to claim 1, wherein in S1, the proportion of the materials in the noctilucent powder is 0-30% polystyrene, 0-25% yttrium oxide, 0-25% aluminate, 0-25% barium magnesium aluminate, 0-20% zinc sulfide, 1-5% copper powder and 15-45% dispersant.
3. A production method of a noctilucent flow-pattern EVA laminated glass film according to claim 1, wherein in S1, the dispersant is one or more of polyethylene wax, paraffin wax, EVA wax, beeswax and copolyester wax, and the mass concentration of noctilucent powder is 50-84%.
4. The method for producing the noctilucent flow pattern EVA laminated glass film according to claim 1, wherein in S1, the preparation method of the noctilucent powder comprises the following steps: weighing polystyrene, yttrium oxide, aluminate, barium magnesium aluminate, zinc sulfide, copper powder and a dispersing agent according to a proportion, pouring the mixture into a reaction kettle, stirring for reaction, controlling the temperature to be 70-120 ℃, reacting for 5-15 minutes until the materials are completely melted and uniformly mixed, pouring the materials into an extrusion granulator for extrusion granulation, cooling and molding to obtain noctilucent particles, pouring the noctilucent particles into a grinding device for grinding, and sieving the prepared dust with a 100-mesh sieve to obtain noctilucent powder.
5. The method for producing the noctilucent flow-pattern EVA laminated glass film according to claim 1, wherein in S1, the weight ratio of titanium dioxide, N' -Ethylene Bis Stearamide (EBS) modifier and magnesium stearate in the auxiliary agent is 35-50: 5-10: 40-50.
6. A method for producing a noctilucent streamlining EVA laminated glass film as claimed in claim 1, wherein in S1, the preparation method of the auxiliary agent is as follows: pouring the materials into a reaction kettle, injecting inert gas for protection, raising the temperature to 60-110 ℃, and reacting for 15-30 minutes to obtain the auxiliary agent.
7. The method for producing the noctilucent flow pattern EVA laminated glass film according to claim 1, wherein in S1, the antioxidant is a mixture of emulsion type antioxidant and powder type antioxidant.
8. The method for producing a noctilucent streamlining EVA laminated glass film according to claim 1, wherein in S1, the coupling agent is selected from a mixture of aminopropylmethyldimethoxysilane, aminoethylaminopropyltrimethoxysilane and vinyltrimethoxysilane.
9. The method for producing a noctilucent streamlining EVA laminated glass film according to claim 1, wherein in S3, the EVA resin has a melt index of 10g/10 min-35 g/10min at 190 ℃.
10. The method for producing the noctilucent fimbrance EVA laminated glass film according to claim 1, wherein in S4, the EVA laminated glass film is produced by adopting a tape casting film forming process, and the extrusion temperature of an extruder is 100-140 ℃.
CN202111649576.7A 2021-12-30 2021-12-30 Production method of luminous flow pattern EVA (ethylene vinyl acetate) laminated glass film Pending CN114058272A (en)

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CN202111649576.7A CN114058272A (en) 2021-12-30 2021-12-30 Production method of luminous flow pattern EVA (ethylene vinyl acetate) laminated glass film

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CN202111649576.7A CN114058272A (en) 2021-12-30 2021-12-30 Production method of luminous flow pattern EVA (ethylene vinyl acetate) laminated glass film

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CN114058272A true CN114058272A (en) 2022-02-18

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