CN117126513A - High-barrier polyester film material and preparation method and device thereof - Google Patents
High-barrier polyester film material and preparation method and device thereof Download PDFInfo
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- CN117126513A CN117126513A CN202311162690.6A CN202311162690A CN117126513A CN 117126513 A CN117126513 A CN 117126513A CN 202311162690 A CN202311162690 A CN 202311162690A CN 117126513 A CN117126513 A CN 117126513A
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- 239000000463 material Substances 0.000 title claims abstract description 42
- 229920006267 polyester film Polymers 0.000 title claims abstract description 33
- 238000002360 preparation method Methods 0.000 title claims abstract description 13
- 238000010438 heat treatment Methods 0.000 claims abstract description 53
- 229920000728 polyester Polymers 0.000 claims abstract description 49
- 238000003756 stirring Methods 0.000 claims abstract description 45
- 239000002344 surface layer Substances 0.000 claims abstract description 41
- 239000012792 core layer Substances 0.000 claims abstract description 28
- 239000000203 mixture Substances 0.000 claims abstract description 19
- 230000004888 barrier function Effects 0.000 claims abstract description 13
- 239000002981 blocking agent Substances 0.000 claims abstract description 12
- FDLQZKYLHJJBHD-UHFFFAOYSA-N [3-(aminomethyl)phenyl]methanamine Chemical compound NCC1=CC=CC(CN)=C1 FDLQZKYLHJJBHD-UHFFFAOYSA-N 0.000 claims description 22
- GVNWZKBFMFUVNX-UHFFFAOYSA-N Adipamide Chemical compound NC(=O)CCCCC(N)=O GVNWZKBFMFUVNX-UHFFFAOYSA-N 0.000 claims description 15
- 210000000078 claw Anatomy 0.000 claims description 9
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 8
- 238000000034 method Methods 0.000 claims description 5
- 229910000019 calcium carbonate Inorganic materials 0.000 claims description 4
- 235000014113 dietary fatty acids Nutrition 0.000 claims description 4
- 239000000194 fatty acid Substances 0.000 claims description 4
- 229930195729 fatty acid Natural products 0.000 claims description 4
- 150000004665 fatty acids Chemical class 0.000 claims description 4
- 229910052751 metal Inorganic materials 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 4
- 150000003839 salts Chemical class 0.000 claims description 4
- 239000000377 silicon dioxide Substances 0.000 claims description 4
- 239000002994 raw material Substances 0.000 claims description 2
- 238000002156 mixing Methods 0.000 abstract description 5
- 101000576320 Homo sapiens Max-binding protein MNT Proteins 0.000 abstract description 4
- 229920006121 Polyxylylene adipamide Polymers 0.000 abstract description 4
- 238000005266 casting Methods 0.000 description 8
- 239000010410 layer Substances 0.000 description 3
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 229920002302 Nylon 6,6 Polymers 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
- C08L67/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
- B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
- C08L77/06—Polyamides derived from polyamines and polycarboxylic acids
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2250/00—Layers arrangement
- B32B2250/03—3 layers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2250/00—Layers arrangement
- B32B2250/24—All layers being polymeric
- B32B2250/244—All polymers belonging to those covered by group B32B27/36
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2367/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
- C08J2367/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2477/00—Characterised by the use of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Derivatives of such polymers
- C08J2477/06—Polyamides derived from polyamines and polycarboxylic acids
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
Abstract
The application relates to the technical field of film materials, in particular to a high-barrier polyester film material and a preparation method and a device thereof, wherein 95-100% of PET polyester is put into a heater for preheating, then stirred and heated, 0-5% of MXD6 is preheated, then put into a high-temperature stirrer for mixing with 95-100% of PET polyester, and then taken out after stirred and heated, so as to obtain a core layer; putting 89.70-94.85% PET polyester into a heater for preheating, taking out and putting into a high-temperature stirrer for stirring; preheating 5-10% of MXD6, then adding the mixture into a high-temperature stirrer to be mixed with 89.70-94.85% of PET polyester, stirring and heating for 1 hour, and taking out to obtain two surface layers; adding 0.15-0.30% of surface anti-blocking agent into the surface layers, stirring, vertically and symmetrically attaching the two surface layers to the outer part of the core layer, then forming a base film, and then stretching the base film to prepare the high-barrier polyester film material, so that the surface layers are attached to the outer part of the core layer through the actions of PET polyester and MXD6, and the film material has high barrier property.
Description
Technical Field
The application relates to the technical field of film materials, in particular to a high-barrier polyester film material and a preparation method and a device thereof.
Background
In the production of film materials, polyester processing is generally adopted, the film materials are widely applied to the protection of lenses, the lenses can be prevented from being scratched, and meanwhile, the film can be applied to the protection of surface films after the production of electronic products.
However, in the prior art, the conventional film material does not have high barrier property and has poor usability.
Disclosure of Invention
The application aims to provide a high-barrier polyester film material, a preparation method and a device thereof, and solves the problems that the traditional film material in the prior art does not have high barrier property and has poor service performance.
In order to achieve the above purpose, the application provides a high-barrier polyester film material, which comprises the following preparation raw materials in percentage by weight:
95 to 100 percent of PET polyester, 0 to 5 percent of poly (m-xylylenediamine adipamide), 89.70 to 94.85 percent of PET polyester, 5 to 10 percent of poly (m-xylylenediamine adipamide) and 0.15 to 0.30 percent of surface anti-blocking agent.
Wherein the surface anti-blocking agent is one of fatty acid metal salt, calcium carbonate or calcined silica.
The application also provides a preparation method of the high-barrier polyester film material, which adopts the high-barrier polyester film material and comprises the following steps:
heating 95-100% PET polyester in a heater to preheat at 70-90 ℃, taking out, and stirring at 100-120r/min in a high-temperature stirrer while heating at 220-260 ℃ for 1-3 hours;
preheating 0-5% of poly (m-xylylenediamine) adipamide at 70-90 ℃, then adding the mixture into a high-temperature stirrer to be mixed with 95-100% of PET polyester, stirring and heating for 1-3 hours, and taking out to obtain a core layer;
heating 89.70-94.85% PET polyester in a heater to preheat at 70-90 ℃, taking out, and stirring at 100-120r/min in a high-temperature stirrer while heating at 220-260 ℃ for 1-3 hours;
preheating 5-10% of poly (m-xylylenediamine) adipamide at 70-90 ℃, then adding the mixture into a high-temperature stirrer to be mixed with 89.70-94.85% of PET polyester, stirring and heating for 1 hour, and taking out to obtain two surface layers;
adding 0.15-0.30% of surface anti-blocking agent into the surface layer, and stirring for 1-3 hours at 100-120 r/min;
and (3) attaching the two surface layers to the outside of the core layer in an up-down symmetrical way, then forming a base film, and then stretching the base film to prepare the high-barrier polyester film material.
The application also provides a high-barrier polyester film material preparation device, which comprises the high-barrier polyester film material preparation method, a preheating component, a casting piece component and a stretching component, wherein the casting piece component is arranged on one side of the preheating component, and the stretching component is arranged on one side, far away from the preheating component, of the casting piece component.
The preheating assembly comprises a first base, a preheating cavity, a preheating plate, two first cylinders and a cover plate, wherein the preheating cavity is fixedly connected with the first base and is located above the first base, the preheating plate is fixedly connected with the preheating cavity and is located on the inner bottom wall of the preheating cavity, the two first cylinders are fixedly connected with the first base and symmetrically distributed on two sides of the preheating cavity, the output ends of the two first cylinders are fixedly connected with the cover plate, and the cover plate is mutually matched with the preheating cavity.
The cast piece assembly comprises a second base, a support, a first electronic sliding rail, a second cylinder and a cutter, wherein the second base is arranged on one side of the first base, the support is fixedly connected with the second base and is located above the second base, the first electronic sliding rail is fixedly connected with the support and is located on the inner top wall of the support, the second cylinder is mutually matched with the first electronic sliding rail, and the output end of the second cylinder is fixedly connected with the cutter.
The stretching assembly comprises two second electronic sliding rails, two supporting plates, two mechanical claws and a heating plate, wherein the two second electronic sliding rails are symmetrically distributed on one side, away from the first base, of the second base, the two supporting plates are respectively matched with the corresponding second electronic sliding rails, the two mechanical claws are respectively fixedly connected with the corresponding supporting plates and are positioned on one side of the supporting plates, and the heating plate is fixedly connected with the two second electronic sliding rails and is positioned above the two second electronic sliding rails.
According to the high-barrier polyester film material and the preparation method and the device thereof, 95-100% of PET polyester is put into a heater to be heated for preheating at 70-90 ℃, then is taken out and put into a high-temperature stirrer for stirring at 100-120r/min, and meanwhile, the temperature is heated for 220-260 ℃ for 1-3 hours; preheating 0-5% of poly (m-xylylenediamine) adipamide at 70-90 ℃, then adding the mixture into a high-temperature stirrer to be mixed with 95-100% of PET polyester, stirring and heating for 1-3 hours, and taking out to obtain a core layer; heating 89.70-94.85% PET polyester in a heater to preheat at 70-90 ℃, taking out, and stirring at 100-120r/min in a high-temperature stirrer while heating at 220-260 ℃ for 1-3 hours; preheating 5-10% of poly (m-xylylenediamine) adipamide at 70-90 ℃, then adding the mixture into a high-temperature stirrer to be mixed with 89.70-94.85% of PET polyester, stirring and heating for 1 hour, and taking out to obtain two surface layers; adding 0.15-0.30% of surface anti-blocking agent into the surface layer, and stirring for 1-3 hours at 100-120 r/min; and (3) attaching the two surface layers to the outside of the core layer in an up-down symmetrical way, then forming a base film, and then stretching the base film to prepare the high-barrier polyester film material, so that the surface layers are attached to the outside of the core layer through the actions of the PET polyester and the MXD6, and the film material has high barrier property.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.
Fig. 1 is a flow chart of the steps of a first embodiment of the present application.
Fig. 2 is a flow chart of the steps of a second embodiment of the present application.
Fig. 3 is a flow chart of steps of a third embodiment of the present application.
Fig. 4 is a schematic structural view of the apparatus for producing a high barrier polyester film material of the present application.
Fig. 5 is a cross-sectional view of the apparatus for preparing a high barrier polyester film material of the present application.
1-first base, 2-preheating cavity, 3-preheating plate, 4-first cylinder, 5-apron, 6-second base, 7-support, 8-first electron slide rail, 9-second cylinder, 10-cutters, 11-second electron slide rail, 12-backup pad, 13-gripper, 14-hot plate.
Detailed Description
The following detailed description of embodiments of the application, examples of which are illustrated in the accompanying drawings and, by way of example, are intended to be illustrative, and not to be construed as limiting, of the application.
First embodiment:
referring to fig. 1, fig. 1 is a flowchart illustrating steps of a first embodiment of the present application, and the present application provides a method for preparing a high barrier polyester film material, which includes the following steps:
s1: heating 95% of PET polyester in a heater to preheat at 70 ℃, taking out, and stirring in a high-temperature stirrer at 100r/min while heating at 220 ℃ for 1 hour;
s2: preheating 5% of the poly (m-xylylenediamine) adipamide at 70 ℃, then adding the mixture into a high-temperature stirrer to be mixed with 95% of the PET polyester, stirring and heating for 1 hour, and taking out the mixture to obtain a core layer;
s3: 89.70% of the polyester is put into a heater to be heated for preheating at 70 ℃, then is taken out and put into a high-temperature stirrer for stirring at 100r/min, and is heated for 220 ℃ for 1 hour;
s4: preheating 10% of the poly (m-xylylenediamine) adipamide at 70 ℃, then adding the mixture into a high-temperature stirrer to be mixed with 89.70% of the PET polyester, stirring and heating for 1 hour, and taking out the mixture to obtain two surface layers;
s5: adding 0.30% of the surface anti-blocking agent (fatty acid metal salt) into the surface layer, and stirring for 1-3 hours at a speed of 100 r/min;
s6: and (3) attaching the two surface layers to the outside of the core layer in an up-down symmetrical way, then forming a base film, and then stretching the base film to prepare the high-barrier polyester film material.
Wherein 95% of the PET polyester is put into a heater to be heated for preheating at 70 ℃, then is taken out to be put into a high-temperature stirrer to be stirred at 100r/min, the temperature is heated for 1 hour, 5% of the poly (m-xylylenediamine) is put into the high-temperature stirrer to be preheated at 70 ℃, then is put into the high-temperature stirrer to be mixed with 95% of the PET polyester, after being stirred and heated for 1 hour, a core layer is obtained, 89.70% of the PET is put into the heater to be heated for preheating at 70 ℃, then is taken out to be put into the high-temperature stirrer to be stirred at 100r/min, the temperature is heated for 220 ℃ for 1 hour, 10% of the poly (m-xylylenediamine) is put into the high-temperature stirrer to be preheated at 70 ℃, then is put into the high-temperature stirrer to be mixed with 89.70% of the PET polyester, after being stirred and heated for 1 hour, two surface layers are obtained, 0.30% of the surface anti-adhesion agent (fatty acid metal salt) is added into the surface layers, the core layer is stirred for 100r/min, after being heated for 1-3 hours, the upper layers and the two surface layers are laminated with the base film is prepared, and then the high-barrier film is stretched out.
Second embodiment:
referring to fig. 2, fig. 2 is a flowchart showing steps of a second embodiment of the present application, and the present application provides a method for preparing a high barrier polyester film material, which includes the following steps:
s1: heating 99% of PET polyester in a heater to preheat at 90 ℃, taking out, and stirring in a high-temperature stirrer at 130r/min while heating at 260 ℃ for 3 hours;
s2: preheating 1% of m-xylylenediamine polyhexamethylene adipamide at 90 ℃, then adding the mixture into a high-temperature stirrer to be mixed with 99% of PET polyester, stirring and heating for 3 hours, and taking out the mixture to obtain a core layer;
s3: heating 94.85% of the polyester in a heater to preheat at 90 ℃, taking out, and then putting the polyester in a high-temperature stirrer to stir at 130r/min, and heating at 260 ℃ for 3 hours;
s4: preheating 5% of the poly (m-xylylenediamine) adipamide at 90 ℃, then adding the mixture into a high-temperature stirrer to be mixed with 94.85% of the PET polyester, stirring and heating for 3 hours, and taking out the mixture to obtain two surface layers;
s5: adding 0.15% of the surface anti-blocking agent (calcium carbonate) into the surface layer, and stirring for 3 hours at 130 r/min;
s6: and (3) attaching the two surface layers to the outside of the core layer in an up-down symmetrical way, then forming a base film, and then stretching the base film to prepare the high-barrier polyester film material.
Wherein 99% of the PET polyester is put into a heater for heating and preheating at 90 ℃, then is taken out and put into a high-temperature stirrer for stirring at 130r/min, meanwhile, the temperature is heated for 3 hours, 1% of the poly (m-xylylenediamine) is preheated at 90 ℃, then is put into the high-temperature stirrer for mixing with 99% of the PET polyester, after stirring and heating for 3 hours, a core layer is obtained, 94.85% of the PET is put into the heater for heating and preheating at 90 ℃, then is taken out and put into the high-temperature stirrer for stirring at 130r/min, meanwhile, the temperature is heated for 260 ℃ for 3 hours, 5% of the poly (m-xylylenediamine) is preheated at 90 ℃, then is put into the high-temperature stirrer for mixing with 94.85% of the PET polyester, after stirring and heating for 3 hours, two surface layers are obtained, 0.15% of the surface anti-adhesion agent (calcium carbonate) is added into the surface layers, after stirring at 130r/min is carried out, after stirring for 3 hours, the two upper layers and the core layers are laminated on the surface layers and the core layer are further, and the high-barrier film is prepared, and the high-quality base film is obtained.
Third embodiment:
referring to fig. 3, fig. 3 is a flowchart showing steps of a third embodiment of the present application, and the present application provides a method for preparing a high barrier polyester film material, which includes the following steps:
s1: heating 98% of PET polyester in a heater to preheat at 80 ℃, taking out, and then putting the PET polyester in a high-temperature stirrer to stir at 120r/min, and heating the PET polyester at 240 ℃ for 2 hours;
s2: preheating 2% of the poly (m-xylylenediamine) adipamide at 80 ℃, then adding the mixture into a high-temperature stirrer to be mixed with 98% of the PET polyester, stirring and heating for 2 hours, and taking out the mixture to obtain a core layer;
s3: heating 93.75% of the polyester in a heater to preheat at 80 ℃, taking out, and then putting the polyester in a high-temperature stirrer to stir at 120r/min, and heating at 240 ℃ for 3 hours;
s4: preheating 6% of the poly (m-xylylenediamine) adipamide at 80 ℃, then adding the mixture into a high-temperature stirrer to be mixed with 93.85% of the PET polyester, stirring and heating for 2 hours, and taking out the mixture to obtain two surface layers;
s5: adding 0.25% of the surface anti-blocking agent (calcined silica) to the surface layer, and stirring for 2 hours at 120 r/min;
s6: and (3) attaching the two surface layers to the outside of the core layer in an up-down symmetrical way, then forming a base film, and then stretching the base film to prepare the high-barrier polyester film material.
Wherein 98% of PET polyester is put into a heater for heating and preheating at 80 ℃, then is taken out and put into a high-temperature stirrer for stirring at 120r/min, meanwhile, the temperature is heated for 2 hours, 2% of poly (m-xylylenediamine) is preheated at 80 ℃, then is put into the high-temperature stirrer for mixing with 98% of PET polyester, after stirring and heating for 2 hours, a core layer is obtained, 93.75% of the polyester is put into the heater for heating and preheating at 80 ℃, then is taken out and put into the high-temperature stirrer for stirring at 120r/min, meanwhile, the temperature is heated for 3 hours, 6% of poly (m-xylylenediamine) is preheated at 80 ℃, then is put into the high-temperature stirrer for mixing with 93.85% of PET polyester, after stirring and heating for 2 hours, two surface layers are obtained, 0.25% of surface anti-blocking agent (burned silica) is added into the surface layers, after stirring for 120r/min is carried out, after stirring for 2 hours, the upper layers and the two surface layers are attached to the surface layers and the base film is stretched, and then the high-barrier film is prepared.
Referring to fig. 4 and 5, the present application further provides a device for preparing a high-barrier polyester film material, which includes a preheating component, a casting component and a stretching component, wherein the casting component is disposed at one side of the preheating component, and the stretching component is disposed at one side of the casting component away from the preheating component. The preheating assembly comprises a first base 1, a preheating cavity 2, a preheating plate 3, two first air cylinders 4 and a cover plate 5, wherein the preheating cavity 2 is fixedly connected with the first base 1 and is positioned above the first base 1, the preheating plate 3 is fixedly connected with the preheating cavity 2 and is positioned on the inner bottom wall of the preheating cavity 2, the two first air cylinders 4 are fixedly connected with the first base 1 and are symmetrically distributed on two sides of the preheating cavity 2, the output ends of the two first air cylinders 4 are fixedly connected with the cover plate 5, and the cover plate 5 is mutually matched with the preheating cavity 2. The cast piece assembly comprises a second base 6, a support 7, a first electronic sliding rail 8, a second air cylinder 9 and a cutter 10, wherein the second base 6 is placed on one side of the first base 1, the support 7 is fixedly connected with the second base 6 and is located above the second base 6, the first electronic sliding rail 8 is fixedly connected with the support 7 and is located on the inner top wall of the support 7, the second air cylinder 9 is mutually matched with the first electronic sliding rail 8, and the output end of the second air cylinder 9 is fixedly connected with the cutter 10. The stretching assembly comprises two second electronic slide rails 11, two supporting plates 12, two mechanical claws 13 and a heating plate 14, wherein the two second electronic slide rails 11 are symmetrically distributed on one side, far away from the first base 1, of the second base 6, the two supporting plates 12 are respectively matched with the corresponding second electronic slide rails 11, the two mechanical claws 13 are respectively fixedly connected with the corresponding supporting plates 12 and are positioned on one side of the supporting plates 12, and the heating plate 14 is fixedly connected with the two second electronic slide rails 11 and is positioned above the two second electronic slide rails 11.
When film materials need to be formed and stretched, firstly, the prepared surface layer and the prepared core layer are attached, then the prepared surface layer and the prepared core layer are placed into the preheating cavity 2, the preheating plate 3 is started, the core layer and the surface layer are preheated and formed at 70 ℃, after preheating is finished, the prepared surface layer and the prepared surface layer are cooled, the base supports the preheating cavity 2, then the first cylinder 4 is started, the cover plate 5 is moved upwards, the cooled core layer and the cooled surface layer are taken out and placed on the second base 6, the second base 6 supports the support 7, the support 7 supports the first electronic slide 8, the first electronic slide 8 is started, the second cylinder 9 is moved to the position above the core layer and the surface layer, the second cylinder 9 is started, the cutter 10 is moved downwards, the core layer and the surface layer are sliced, the cooling casting operation is finished, meanwhile, the two ends of a film of a casting piece are placed on the mechanical claw 13, the two second electronic slide 11 is started, the two support plates 12 are driven to move oppositely, the two mechanical claws are driven to move oppositely, and the two mechanical claws 13 are driven to carry out the clamping operation, and the film is stretched, and the film is heated, and the base is heated, and the film is stretched, and the film is formed, and the film is subjected to the clamping operation to the heating operation is carried out, and the heating operation to 240 is completed and the heating operation is carried out and the heating operation to the film is carried out and the opposite to the heating operation to the heating stage and to the film.
The foregoing disclosure is only illustrative of one or more preferred embodiments of the present application, and it is not intended to limit the scope of the claims hereof, as persons of ordinary skill in the art will understand that all or part of the processes for practicing the embodiments described herein may be practiced with equivalent variations in the claims, which are within the scope of the application.
Claims (7)
1. The high-barrier polyester film material is characterized by comprising the following preparation raw materials in percentage by weight:
95 to 100 percent of PET polyester, 0 to 5 percent of poly (m-xylylenediamine adipamide), 89.70 to 94.85 percent of PET polyester, 5 to 10 percent of poly (m-xylylenediamine adipamide) and 0.15 to 0.30 percent of surface anti-blocking agent.
2. The high barrier polyester film material of claim 1 wherein,
the surface anti-blocking agent is one of fatty acid metal salt, calcium carbonate or calcined silica.
3. A method for preparing a high-barrier polyester film material, which adopts the high-barrier polyester film material as claimed in claim 2, and is characterized by comprising the following steps:
heating 95-100% PET polyester in a heater to preheat at 70-90 ℃, taking out, and stirring at 100-120r/min in a high-temperature stirrer while heating at 220-260 ℃ for 1-3 hours;
preheating 0-5% of poly (m-xylylenediamine) adipamide at 70-90 ℃, then adding the mixture into a high-temperature stirrer to be mixed with 95-100% of PET polyester, stirring and heating for 1-3 hours, and taking out to obtain a core layer;
heating 89.70-94.85% PET polyester in a heater to preheat at 70-90 ℃, taking out, and stirring at 100-120r/min in a high-temperature stirrer while heating at 220-260 ℃ for 1-3 hours;
preheating 5-10% of poly (m-xylylenediamine) adipamide at 70-90 ℃, then adding the mixture into a high-temperature stirrer to be mixed with 89.70-94.85% of PET polyester, stirring and heating for 1 hour, and taking out to obtain two surface layers;
adding 0.15-0.30% of surface anti-blocking agent into the surface layer, and stirring for 1-3 hours at 100-120 r/min;
and (3) attaching the two surface layers to the outside of the core layer in an up-down symmetrical way, then forming a base film, and then stretching the base film to prepare the high-barrier polyester film material.
4. A preparation device of a high-barrier polyester film material is applied to the preparation method of the high-barrier polyester film material as claimed in claim 3, and is characterized in that,
still include preheat subassembly, cast piece subassembly and tensile subassembly, cast piece subassembly set up in preheat one side of subassembly, tensile subassembly set up in cast piece subassembly is kept away from preheat one side of subassembly.
5. The apparatus for producing a high barrier polyester film material as claimed in claim 4, wherein,
the preheating assembly comprises a first base, a preheating cavity, a preheating plate, two first cylinders and a cover plate, wherein the preheating cavity is fixedly connected with the first base and is positioned above the first base, the preheating plate is fixedly connected with the preheating cavity and is positioned on the inner bottom wall of the preheating cavity, the two first cylinders are fixedly connected with the first base and symmetrically distributed on two sides of the preheating cavity, the output ends of the two first cylinders are fixedly connected with the cover plate, and the cover plate is mutually matched with the preheating cavity.
6. The apparatus for producing a high barrier polyester film material as claimed in claim 5, wherein,
the cast piece assembly comprises a second base, a support, a first electronic sliding rail, a second cylinder and a cutter, wherein the second base is arranged on one side of the first base, the support is fixedly connected with the second base and is positioned above the second base, the first electronic sliding rail is fixedly connected with the support and is positioned on the inner top wall of the support, the second cylinder is mutually matched with the first electronic sliding rail, and the output end of the second cylinder is fixedly connected with the cutter.
7. The apparatus for producing a high barrier polyester film material as claimed in claim 6, wherein,
the stretching assembly comprises two second electronic slide rails, two supporting plates, two mechanical claws and a heating plate, wherein the two second electronic slide rails are symmetrically distributed on one side, away from the first base, of the second base, the two supporting plates are respectively matched with the corresponding second electronic slide rails, the two mechanical claws are respectively fixedly connected with the corresponding supporting plates and are positioned on one side of the supporting plates, and the heating plate is fixedly connected with the two second electronic slide rails and is positioned above the two second electronic slide rails.
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| CN202311162690.6A CN117126513A (en) | 2023-09-08 | 2023-09-08 | High-barrier polyester film material and preparation method and device thereof |
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| CN202311162690.6A CN117126513A (en) | 2023-09-08 | 2023-09-08 | High-barrier polyester film material and preparation method and device thereof |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102225648A (en) * | 2011-04-14 | 2011-10-26 | 江苏裕兴薄膜科技股份有限公司 | High-barrier polyester film and its preparation method |
| CN103057232A (en) * | 2013-01-08 | 2013-04-24 | 常州百佳薄膜科技有限公司 | High-barrier PET (polyethylene terephthalate) film and making method thereof |
| CN104263273A (en) * | 2014-09-28 | 2015-01-07 | 上海济仕新材料科技有限公司 | High-barrier polyester film as well as preparation method and applications thereof |
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2023
- 2023-09-08 CN CN202311162690.6A patent/CN117126513A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102225648A (en) * | 2011-04-14 | 2011-10-26 | 江苏裕兴薄膜科技股份有限公司 | High-barrier polyester film and its preparation method |
| CN103057232A (en) * | 2013-01-08 | 2013-04-24 | 常州百佳薄膜科技有限公司 | High-barrier PET (polyethylene terephthalate) film and making method thereof |
| CN104263273A (en) * | 2014-09-28 | 2015-01-07 | 上海济仕新材料科技有限公司 | High-barrier polyester film as well as preparation method and applications thereof |
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