CN113512373A - Preparation process of double-layer glass intermediate adhesive film with good flexibility - Google Patents
Preparation process of double-layer glass intermediate adhesive film with good flexibility Download PDFInfo
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- CN113512373A CN113512373A CN202110884328.4A CN202110884328A CN113512373A CN 113512373 A CN113512373 A CN 113512373A CN 202110884328 A CN202110884328 A CN 202110884328A CN 113512373 A CN113512373 A CN 113512373A
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- adhesive film
- mixture
- poe
- pec
- eva
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- 239000002313 adhesive film Substances 0.000 title claims abstract description 74
- 238000002360 preparation method Methods 0.000 title claims abstract description 20
- 239000011521 glass Substances 0.000 title claims abstract description 16
- 239000000463 material Substances 0.000 claims abstract description 87
- 238000003851 corona treatment Methods 0.000 claims abstract description 18
- 238000000034 method Methods 0.000 claims abstract description 17
- 239000002994 raw material Substances 0.000 claims abstract description 11
- 239000000203 mixture Substances 0.000 claims description 43
- 238000003756 stirring Methods 0.000 claims description 34
- 239000000843 powder Substances 0.000 claims description 18
- 238000002844 melting Methods 0.000 claims description 15
- 230000008018 melting Effects 0.000 claims description 15
- 238000004519 manufacturing process Methods 0.000 claims description 14
- 239000003963 antioxidant agent Substances 0.000 claims description 13
- 230000003078 antioxidant effect Effects 0.000 claims description 13
- 239000002270 dispersing agent Substances 0.000 claims description 13
- 239000002518 antifoaming agent Substances 0.000 claims description 11
- 238000004321 preservation Methods 0.000 claims description 7
- 239000012258 stirred mixture Substances 0.000 claims description 7
- 239000012768 molten material Substances 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 5
- 238000004513 sizing Methods 0.000 claims description 5
- 239000013530 defoamer Substances 0.000 claims description 2
- 239000000155 melt Substances 0.000 claims 2
- 230000000694 effects Effects 0.000 abstract description 7
- 238000001179 sorption measurement Methods 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- 239000004743 Polypropylene Substances 0.000 description 35
- 239000005038 ethylene vinyl acetate Substances 0.000 description 25
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 25
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 4
- 239000005977 Ethylene Substances 0.000 description 4
- 239000003292 glue Substances 0.000 description 4
- KWKAKUADMBZCLK-UHFFFAOYSA-N 1-octene Chemical compound CCCCCCC=C KWKAKUADMBZCLK-UHFFFAOYSA-N 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 230000004927 fusion Effects 0.000 description 2
- 238000011065 in-situ storage Methods 0.000 description 2
- 239000012968 metallocene catalyst Substances 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- -1 polypropylene Polymers 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229920002725 thermoplastic elastomer Polymers 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- VXNZUUAINFGPBY-UHFFFAOYSA-N 1-Butene Chemical compound CCC=C VXNZUUAINFGPBY-UHFFFAOYSA-N 0.000 description 1
- HDLBOHGQTWKFRG-CVBJKYQLSA-N 3-azaniumylpropylazanium;(z)-octadec-9-enoate Chemical compound NCCCN.CCCCCCCC\C=C/CCCCCCCC(O)=O.CCCCCCCC\C=C/CCCCCCCC(O)=O HDLBOHGQTWKFRG-CVBJKYQLSA-N 0.000 description 1
- 239000004709 Chlorinated polyethylene Substances 0.000 description 1
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- IAQRGUVFOMOMEM-UHFFFAOYSA-N butene Natural products CC=CC IAQRGUVFOMOMEM-UHFFFAOYSA-N 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003475 lamination Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 230000000379 polymerizing effect Effects 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/30—Adhesives in the form of films or foils characterised by the adhesive composition
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J123/00—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers
- C09J123/02—Adhesives 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
- C09J123/04—Homopolymers or copolymers of ethene
- C09J123/08—Copolymers of ethene
- C09J123/0807—Copolymers of ethene with unsaturated hydrocarbons only containing more than three carbon atoms
- C09J123/0815—Copolymers of ethene with aliphatic 1-olefins
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J123/00—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers
- C09J123/02—Adhesives 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
- C09J123/04—Homopolymers or copolymers of ethene
- C09J123/08—Copolymers of ethene
- C09J123/0846—Copolymers of ethene with unsaturated hydrocarbons containing other atoms than carbon or hydrogen atoms
- C09J123/0853—Vinylacetate
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J123/00—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers
- C09J123/02—Adhesives 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
- C09J123/10—Homopolymers or copolymers of propene
- C09J123/12—Polypropene
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J123/00—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers
- C09J123/26—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers modified by chemical after-treatment
- C09J123/28—Adhesives based on homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Adhesives based on derivatives of such polymers modified by chemical after-treatment by reaction with halogens or compounds containing halogen
- C09J123/286—Chlorinated polyethylene
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J7/00—Adhesives in the form of films or foils
- C09J7/10—Adhesives in the form of films or foils without carriers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/04—Thermoplastic elastomer
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Adhesive Tapes (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
The invention discloses a preparation process of a double-layer glass intermediate adhesive film with good flexibility, belonging to the technical field of intermediate adhesive film preparation, and comprising the following steps: preparing raw materials; the PEC material is added into the material, so that the toughness of the whole material can be effectively improved, the whole toughness of a finished adhesive film can be improved, the product quality of the finished adhesive film is improved, the PP material is arranged in the PEC material, the whole impact resistance of a finished product can be effectively improved due to the combination of the PP material and the POE material, the whole product quality is greatly improved, the corona treatment and the roller passing process are arranged in the process, the surface tension and the adsorption force of the finished product material can be effectively improved due to the corona treatment of the finished product material, the quality of the finished product material is improved, the effect of the finished product material subjected to corona can be effectively maintained by strictly controlling the temperature of the roller passing, the surface tension of the finished product material is maintained, the service life of the finished product material is prolonged, the preparation effect of the method is improved, and the PEC material is suitable for popularization.
Description
Technical Field
The invention belongs to the technical field of intermediate adhesive film preparation, and particularly relates to a preparation process of a double-layer glass intermediate adhesive film with good flexibility.
Background
POE is a thermoplastic elastomer which is obtained by polymerizing ethylene and octene in situ using a metallocene catalyst, and POE is generally classified into two types, one type is a high polymer of ethylene and butene, and the other type is a high polymer of ethylene and octene.
Chinese patent discloses (CN112436065A) an adhesive film preparation method and an adhesive film, wherein the method comprises the steps of preparing a smooth adhesive film; forming more than two strip-shaped holes or strip-shaped grooves on the flat adhesive film to form the adhesive film with special grains; detecting whether the distance between two adjacent strip-shaped holes or strip-shaped grooves meets a set threshold value or not; if so, the adhesive film with special lines is qualified. The adhesive film preparation method and the adhesive film solve the problem that gaps between two adjacent battery pieces in a lap welding area are enlarged due to the fact that the existing smooth adhesive film enters the space between the two adjacent battery pieces after lamination and melting. Meanwhile, through the detection of the scale on the strip-shaped hole or the strip-shaped groove, the matching precision of the overlap welding area on the strip-shaped hole or the strip-shaped groove and the battery string is ensured, the qualification rate of the photovoltaic module is improved, but the glue film is not added with a material for improving the toughness, so that the overall toughness of the produced finished glue film is not good, the quality is influenced, meanwhile, the corona treatment step is not arranged in the preparation method, the surface tension of the glue film cannot be kept, the service life of the glue film is influenced, and certain improvement is needed.
Disclosure of Invention
The invention aims to: the preparation process of the double-layer glass intermediate adhesive film with good flexibility is provided for solving the problems that the traditional adhesive film is not added with a material for improving the flexibility, so that the overall toughness of the produced finished adhesive film is not good, the quality is influenced, and meanwhile, the preparation method is not provided with a corona treatment step, so that the surface tension of the adhesive film cannot be maintained, and the service life of the adhesive film is influenced.
In order to achieve the purpose, the invention adopts the following technical scheme: a preparation process of a double-layer glass intermediate adhesive film with good flexibility comprises the following steps:
s1, preparing raw materials;
s2, taking out the POE and the PP, placing the POE and the PP in a stirring and melting device, and increasing the temperature to melt the POE and the PP;
s3, taking out the POE and the PP in the molten state, placing the POE and the PP in a heat preservation device, supplying a certain temperature, preserving the heat of the molten material, and marking the components as A components;
s4, placing the EVA in a stirring and melting device, and increasing the temperature to melt the EVA;
s5, adding PEC powder into the molten EVA, and simultaneously stirring at a certain speed to ensure that the PEC powder is fused, wherein the PEC powder is marked as a component B;
s6, placing the component A into the component B, simultaneously, respectively adding the antioxidant into the mixed components, continuously stirring for a period of time, then adding the dispersant into the mixed components, and continuously stirring for a period of time;
s7, standing the stirred mixture for a period of time, adding a defoaming agent into the mixture, defoaming the mixture, removing bubbles generated in the mixture, and keeping the temperature of the mixture;
s8, introducing the defoamed mixture into an extruder, extruding the mixture into a die at a certain speed, and cooling the die to form a film;
s9, after forming, taking down the adhesive film material, carrying out corona treatment on the adhesive film material, and after corona, placing the adhesive film material on a roll shaft at a certain temperature for roll processing;
s10, taking down the corona-treated adhesive film material, and sizing and dividing the adhesive film material according to the size required by the intermediate adhesive film;
and S11, storing the adhesive film material after the division.
As a further description of the above technical solution:
in the S1, the raw materials include POE, PP, EVA, PEC, defoamer, antioxidant and dispersant.
As a further description of the above technical solution:
in the step S2, the POE and the PP are taken out and placed in a stirring and melting device, and the temperature is increased to 200-220 ℃ to melt the POE and the PP.
As a further description of the above technical solution:
in the step S3, the POE and the PP in the molten state are taken out and placed in a heat preservation device, the temperature is supplied to 185 ℃ at a certain temperature, the molten material is preserved, and the component is marked as component A.
As a further description of the above technical solution:
in the step S4, the EVA is placed in a stirring and melting device, and the temperature is raised to 105 ℃ and 125 ℃ to melt the EVA.
As a further description of the above technical solution:
in S5, PEC powder was added to the molten EVA and the mixture was subjected to stirring at a rate of 200-300r/min to cause fusion.
As a further description of the above technical solution:
and in the S6, the component A is placed into the component B, meanwhile, the antioxidant is respectively added into the mixed components, the stirring is continued for 10-20min, then the dispersant is added, and the stirring is continued for 20-30 min.
As a further description of the above technical solution:
and in the step S7, standing the stirred mixture for 10-15min, adding a defoaming agent into the mixture, defoaming the mixture, removing bubbles generated in the mixture, and keeping the temperature of the mixture to be 170-175 ℃.
As a further description of the above technical solution:
in the step S8, the mixture after defoaming is introduced into an extruder, extruded into a die at a speed of 0.8-1.2m/min, and cooled to form a film.
As a further description of the above technical solution:
and in the S9, after molding, taking down the adhesive film material, carrying out corona treatment on the adhesive film material, and after corona, placing the adhesive film material on a roller shaft at the temperature of 22-28 ℃ for roller processing.
Furthermore, the specific temperature and time of each step are controlled, so that the production process of the whole process is more accurate, substances in the working temperature range are more easily reacted and fused, the fusion effect of each component can be improved, and the quality of prepared products is ensured.
In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:
in the invention, the PEC material is added into the material, the toughness of the whole material can be effectively improved by adding the PEC material, so that the whole toughness of the finished adhesive film can be improved, the product quality is improved, meanwhile, in the material, the main material adopts the POE material, the auxiliary materials adopt the EVA material and the PP material, the weather resistance of the finished product can be effectively improved, meanwhile, the prepared material has the advantages of the EVA on the production process, the production yield is high, the production efficiency is high, the adhesive film is easy to store, the whole impact resistance of the finished product can be effectively improved by combining the PP material and the POE material, the whole product quality is greatly improved, meanwhile, the corona treatment and the roll passing process are arranged in the process, the surface tension and the adsorption force of the finished material can be effectively improved by the corona treatment of the finished material, the quality of the finished material is improved, and the temperature of the roll passing is strictly controlled, the corona treatment method can effectively keep the effect of the finished product material after corona treatment and keep the surface tension of the finished product material, thereby prolonging the service life of the finished product material, improving the preparation effect of the method and being suitable for popularization.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
The invention provides a technical scheme that: a preparation process of a double-layer glass intermediate adhesive film with good flexibility comprises the following steps:
s1, preparing raw materials, wherein the raw materials comprise POE, PP, EVA, PEC, a defoaming agent, an antioxidant and a dispersing agent;
s2, taking out the POE and the PP, placing the POE and the PP in a stirring and melting device, and increasing the temperature to 200 ℃ to melt the POE and the PP;
s3, taking out the POE and the PP in the molten state, placing the POE and the PP in a heat preservation device, supplying a certain temperature of 165 ℃, preserving the heat of the molten material, and marking the components as A components;
s4, placing the EVA in a stirring and melting device, and raising the temperature to 105 ℃ to melt the EVA;
s5, adding PEC powder into the molten EVA, and simultaneously stirring at the speed of 200r/min to ensure that the PEC powder is fused, wherein the PEC powder is marked as a component B;
s6, placing the component A into the component B, simultaneously, respectively adding the antioxidant into the mixed components, continuously stirring for 10min, then adding the dispersant, and continuously stirring for 20 min;
s7, standing the stirred mixture for 10min, adding a defoaming agent, defoaming the mixture, removing bubbles generated in the mixture, and keeping the temperature of the mixture to 170 ℃;
s8, introducing the mixture after defoaming into an extruder, extruding the mixture into a die at a speed of 0.8m/min, and cooling the mixture to form a film;
s9, after molding, taking down the adhesive film material, carrying out corona treatment on the adhesive film material, and after corona, placing the adhesive film material on a roller shaft at 22 ℃ for roller processing;
s10, taking down the corona-treated adhesive film material, and sizing and dividing the adhesive film material according to the size required by the intermediate adhesive film;
and S11, storing the adhesive film material after the division.
In the embodiment, the PEC material is added into the material, and the addition of the PEC material can effectively improve the toughness of the whole material, thereby improving the overall toughness of the finished adhesive film and improving the product quality.
Example 2
The invention provides a technical scheme that: a preparation process of a double-layer glass intermediate adhesive film with good flexibility comprises the following steps:
s1, preparing raw materials, wherein the raw materials comprise POE, PP, EVA, PEC, a defoaming agent, an antioxidant and a dispersing agent;
s2, taking out the POE and the PP, placing the POE and the PP in a stirring and melting device, and increasing the temperature to 210 ℃ to melt the POE and the PP;
s3, taking out the POE and the PP in the molten state, placing the POE and the PP in a heat preservation device, supplying the POE and the PP at a certain temperature of 175 ℃, preserving the heat of the molten material, and marking the components as A components;
s4, placing the EVA in a stirring and melting device, and raising the temperature to 115 ℃ to melt the EVA;
s5, adding PEC powder into the molten EVA, and simultaneously stirring at the speed of 250r/min to ensure that the PEC powder is fused, wherein the PEC powder is marked as a component B;
s6, placing the component A into the component B, simultaneously, respectively adding the antioxidant into the mixed components, continuously stirring for 15min, then adding the dispersant, and continuously stirring for 25 min;
s7, standing the stirred mixture for 13min, adding a defoaming agent, defoaming the mixture, removing bubbles generated in the mixture, and keeping the temperature of the mixture to 172 ℃;
s8, introducing the mixture after defoaming into an extruder, extruding the mixture into a die at a speed of 1m/min, and cooling the die to form a film;
s9, after forming, taking down the adhesive film material, carrying out corona treatment on the adhesive film material, and after corona, placing the adhesive film material on a roller shaft at 25 ℃ for roller treatment;
s10, taking down the corona-treated adhesive film material, and sizing and dividing the adhesive film material according to the size required by the intermediate adhesive film;
and S11, storing the adhesive film material after the division.
In this embodiment, in the material, main material adopts the POE material, and supplementary material adopts EVA material and PP material, can effectively improve the off-the-shelf weatherability of production, and the preparation material has the advantage of EVA again in production technology simultaneously, and production yield is high, production efficiency is high, glued membrane itself preserves easily, and the combination of PP material and POE material can effectively improve off-the-shelf whole impact resistance, and whole product quality obtains promoting by a wide margin.
Example 3
The invention provides a technical scheme that: a preparation process of a double-layer glass intermediate adhesive film with good flexibility comprises the following steps:
s1, preparing raw materials, wherein the raw materials comprise POE, PP, EVA, PEC, a defoaming agent, an antioxidant and a dispersing agent;
s2, taking out the POE and the PP, placing the POE and the PP in a stirring and melting device, and increasing the temperature to 220 ℃ to melt the POE and the PP;
s3, taking out the POE and the PP in the molten state, placing the POE and the PP in a heat preservation device, supplying the POE and the PP to a certain temperature of 185 ℃, preserving the heat of the molten material, and marking the components as A components;
s4, placing the EVA in a stirring and melting device, and raising the temperature to 125 ℃ to melt the EVA;
s5, adding PEC powder into the molten EVA, and simultaneously stirring at the speed of 300r/min to ensure that the PEC powder is fused, wherein the PEC powder is marked as a component B;
s6, placing the component A into the component B, simultaneously, respectively adding the antioxidant into the mixed components, continuously stirring for 20min, then adding the dispersant, and continuously stirring for 30 min;
s7, standing the stirred mixture for 15min, adding a defoaming agent into the mixture, defoaming the mixture, removing bubbles generated in the mixture, and keeping the temperature of the mixture to 175 ℃;
s8, introducing the mixture after defoaming into an extruder, extruding the mixture into a die at a speed of 1.2m/min, and cooling the mixture to form a film;
s9, after molding, taking down the adhesive film material, carrying out corona treatment on the adhesive film material, and after corona, placing the adhesive film material on a roller shaft at 28 ℃ for roller treatment;
s10, taking down the corona-treated adhesive film material, and sizing and dividing the adhesive film material according to the size required by the intermediate adhesive film;
and S11, storing the adhesive film material after the division.
In the embodiment, the corona treatment and the roller passing process are arranged in the process, the surface tension and the adsorption force of the finished product material can be effectively improved by the corona treatment of the finished product material, the quality of the finished product material is improved, the effect of the finished product material subjected to corona can be effectively maintained by strictly controlling the temperature of the roller passing, the surface tension is maintained, the service life of the finished product material is prolonged, the preparation effect of the method is improved, and the method is suitable for popularization.
In examples 1 to 3, it is noted that: the POE, the PP, the EVA, the PEC, the defoaming agent, the antioxidant and the dispersing agent are respectively a mixture of a thermoplastic elastomer, polypropylene, an ethylene-vinyl acetate copolymer, chlorinated polyethylene, nano silver simple substance sol, alkyl quaternary ammonium salt and aminopropylamine dioleate which are subjected to in-situ polymerization by adopting ethylene and octene of a metallocene catalyst.
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 preparation process of a double-layer glass intermediate adhesive film with good flexibility is characterized by comprising the following steps: the method comprises the following steps:
s1, preparing raw materials;
s2, taking out the POE and the PP, placing the POE and the PP in a stirring and melting device, and increasing the temperature to melt the POE and the PP;
s3, taking out the POE and the PP in the molten state, placing the POE and the PP in a heat preservation device, supplying a certain temperature, preserving the heat of the molten material, and marking the components as A components;
s4, placing the EVA in a stirring and melting device, and increasing the temperature to melt the EVA;
s5, adding PEC powder into the molten EVA, and simultaneously stirring at a certain speed to ensure that the PEC powder is fused, wherein the PEC powder is marked as a component B;
s6, placing the component A into the component B, simultaneously, respectively adding the antioxidant into the mixed components, continuously stirring for a period of time, then adding the dispersant into the mixed components, and continuously stirring for a period of time;
s7, standing the stirred mixture for a period of time, adding a defoaming agent into the mixture, defoaming the mixture, removing bubbles generated in the mixture, and keeping the temperature of the mixture;
s8, introducing the defoamed mixture into an extruder, extruding the mixture into a die at a certain speed, and cooling the die to form a film;
s9, after forming, taking down the adhesive film material, carrying out corona treatment on the adhesive film material, and after corona, placing the adhesive film material on a roll shaft at a certain temperature for roll processing;
s10, taking down the corona-treated adhesive film material, and sizing and dividing the adhesive film material according to the size required by the intermediate adhesive film;
and S11, storing the adhesive film material after the division.
2. The process of claim 1, wherein in S1, the raw materials include POE, PP, EVA, PEC, defoamer, antioxidant and dispersant.
3. The process for preparing a double-layer glass intermediate adhesive film with good flexibility as claimed in claim 1, wherein in S2, POE and PP are taken out and placed in a stirring and melting device, and the temperature is raised to 200-220 ℃ to melt POE and PP.
4. The process for preparing a double-layer glass intermediate adhesive film with good flexibility as claimed in claim 1, wherein in S3, POE and PP in molten state are taken out and placed in a heat-preserving device, and the melt is subjected to heat preservation at a temperature of 165 ℃ and 185 ℃, and the component of the melt is labeled as component A.
5. The process for preparing a double-layer glass intermediate adhesive film with good flexibility as claimed in claim 1, wherein in S4, EVA is placed in a stirring and melting device, and the temperature is raised to 105-125 ℃ to melt the EVA.
6. The process of claim 1, wherein in step S5, PEC powder is added into the molten EVA and the mixture is stirred at a speed of 200-300r/min to fuse the PEC powder and the EVA.
7. The process for preparing a double-layer glass intermediate adhesive film with good flexibility according to claim 1, wherein in S6, the component A is placed into the component B, meanwhile, the antioxidant is added into the mixed components respectively, the stirring is continued for 10-20min, then the dispersant is added, and the stirring is continued for 20-30 min.
8. The process for preparing a double-layer glass intermediate adhesive film with good flexibility as claimed in claim 1, wherein in S7, the stirred mixture is allowed to stand for 10-15min, then a defoaming agent is added to the mixture, the mixture is defoamed, bubbles generated in the mixture are removed, and the temperature of the mixture is kept at 170-175 ℃.
9. The process for preparing a double-layer glass intermediate adhesive film with good flexibility according to claim 1, wherein in the step S8, the mixture after defoaming is introduced into an extruder, extruded into a die at a speed of 0.8-1.2m/min, and cooled to form a film.
10. The process of claim 1, wherein in step S9, after forming, the film material is taken off and subjected to corona treatment, and after corona treatment, the film material is placed on a roller shaft at 22-28 ℃ for roller treatment.
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| CN103232825A (en) * | 2013-04-09 | 2013-08-07 | 顺德职业技术学院 | Elastomer-based hot-melt adhesive and preparation method thereof |
| CN105690715A (en) * | 2015-09-18 | 2016-06-22 | 安徽义林塑业有限公司 | Production technology for glass interlayer PVB |
| CN106189921A (en) * | 2016-08-15 | 2016-12-07 | 常州大学 | A kind of POE packaging adhesive film composite tackifier with high bond strength and application thereof |
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2021
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103232825A (en) * | 2013-04-09 | 2013-08-07 | 顺德职业技术学院 | Elastomer-based hot-melt adhesive and preparation method thereof |
| CN105690715A (en) * | 2015-09-18 | 2016-06-22 | 安徽义林塑业有限公司 | Production technology for glass interlayer PVB |
| CN106189921A (en) * | 2016-08-15 | 2016-12-07 | 常州大学 | A kind of POE packaging adhesive film composite tackifier with high bond strength and application thereof |
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