CN113354851A - High-strength FEP film and preparation method and preparation device thereof - Google Patents
High-strength FEP film and preparation method and preparation device thereof Download PDFInfo
- Publication number
- CN113354851A CN113354851A CN202110639038.3A CN202110639038A CN113354851A CN 113354851 A CN113354851 A CN 113354851A CN 202110639038 A CN202110639038 A CN 202110639038A CN 113354851 A CN113354851 A CN 113354851A
- Authority
- CN
- China
- Prior art keywords
- strength
- area
- fep film
- ethylene propylene
- fep
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D7/00—Producing flat articles, e.g. films or sheets
- B29D7/01—Films or sheets
-
- 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
- C08J2327/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers
- C08J2327/02—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
- C08J2327/12—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
- C08J2327/18—Homopolymers or copolymers of tetrafluoroethylene
-
- 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
- C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
- C08J2423/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
- C08J2423/04—Homopolymers or copolymers of ethene
- C08J2423/08—Copolymers of ethene
-
- 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
- C08J2427/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers
- C08J2427/02—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
- C08J2427/12—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
-
- 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
- C08J2427/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers
- C08J2427/02—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment
- C08J2427/12—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a halogen; Derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
- C08J2427/18—Homopolymers or copolymers of tetrafluoroethylene
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
The invention discloses a high-strength FEP film, a preparation method and a preparation device thereof, wherein the high-strength FEP film comprises the following components in percentage by mass: 10-49% of fluorinated ethylene propylene; 50-80% of fluorinated ethylene propylene; modifying agent: 1-10 percent of the total fluorinated ethylene propylene, the preparation method comprises the steps of weighing 10-49 percent of the total fluorinated ethylene propylene, 50-80 percent of the total fluorinated ethylene propylene and 1-10 percent of the modifier, putting the materials into a high-speed mixer for mixing, and then putting the materials into a double-screw extruder for extrusion granulation; the preparation device comprises an extruder, a T-shaped plane die, a cooling roller, a stretching area, an annealing area, a shaping area and a wind-up roller.
Description
Technical Field
The invention relates to the technical field of FEP films, in particular to a high-strength FEP film and a preparation method and a preparation device thereof.
Background
FEP is totally called fluorinated ethylene propylene, is formed by copolymerizing tetrafluoroethylene and hexafluoropropylene, is commonly called F46, and is a melt-processable fluoroplastic. FEP has excellent heat resistance, chemical resistance, weather resistance and insulation properties, and thus is widely used in the fields of chemical industry, machinery, medical treatment, etc., particularly in the production of electric wires and cables for transmission wires, connecting wires, cable insulation layers, etc. for special purposes. The melting point of FEP is as high as 240-270 ℃, although the FEP can be formed by a thermoplastic processing method, the processing mode mainly refers to the preparation of electric wires and cables, the actual processing temperature needs to be raised to more than 370 ℃ when a film is processed in order to improve the film forming property, and the FEP is decomposed at the temperature of more than 420 ℃ or the residence time in a machine is not proper, so that hydrogen fluoride or other fluorine-containing compounds are released, and irreversible damage is caused to equipment and operators.
The CN110370594A patent discloses a preparation method of FEP film, which is used as a packaging film in the fields of medicine, medical equipment, electronic components, military articles or aerospace, but the breaking strength of the film prepared by the process is less than 30MPa, and the tensile modulus is less than 300 MPa. The low mechanical property limits the application of the FEP film in the aspect of building films, and in addition, new hydrophilic groups are inevitably generated on the surface of the FEP film in the processing process, so that the release property of the FEP film is reduced.
The prior preparation process can not prepare the high-strength FEP film, thereby limiting the application range of the FEP film. The invention provides a preparation process and a device for preparing a high-strength FEP film.
Disclosure of Invention
The present invention is directed to a high strength FEP film, a method and an apparatus for preparing the same, which are used to solve the above problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: a high-strength FEP film comprises the following components in percentage by mass:
the perfluoroethylene-propylene copolymer has a perfluoropropylene content of 8-13%: 10 to 49 percent;
the content of perfluoropropene in the fluorinated ethylene propylene copolymer is 20-40%: 50-80%;
modifying agent: 1 to 10 percent.
A preparation method of a high-strength FEP film comprises the following steps:
weighing 10-49% of first fluorinated ethylene propylene, 50-80% of second fluorinated ethylene propylene and 1-10% of modifier, putting the materials into a high-speed mixer for mixing, and then putting the materials into a double-screw extruder for extrusion granulation;
drying the mixed and granulated material, placing the dried material in a casting extruder for melting and plasticizing, and extruding the material into a sheet with a certain thickness through a T-shaped plane die, wherein the sheet passes through a cooling zone, a stretching zone and an annealing and shaping zone to obtain a film with the required thickness;
finally preparing the fluorinated ethylene propylene film
Preferably, the cooling roll temperature of the cooling zone is 100-170 ℃.
Preferably, the length-diameter ratio of the double-screw extruder is 28-40, the screw compression ratio is 1.8-3.2, and the extrusion processing temperature is 200-300 ℃.
Preferably, the temperature of the melt after the melt plasticization in the casting extruder is controlled between 370 ℃ and 390 ℃.
Preferably, the temperature of the stretching zone is controlled to be 150-180 ℃, and the stretching ratio is 0.5-2 times.
Preferably, the annealing and shaping area is two sections of semi-sealed areas, the temperature of the annealing area close to the stretching area is controlled to be 160-190 ℃, the annealing time is 5-10 min, and the temperature of the shaping area is controlled to be 90-130 ℃.
The utility model provides a high strength FEP film preparation facilities, includes extruder, T type plane mould, chill roll, stretching zone, annealing district, design district and wind-up roll that set gradually in proper order.
Preferably, the stretching area is a semi-sealed area and is provided with an outlet and an inlet of the film, and the outlet and the inlet of the stretching area are respectively provided with a front tension partition device and a rear tension partition device.
Preferably, the cooling zone comprises two cooling rollers, the diameter of the cooling roller is 500-1500 mm.
Compared with the prior art, the invention has the beneficial effects that:
1. the invention provides the FEP film with excellent mechanical property, and expands the application range of FEP;
2. the invention reduces the use cost of the building film, and the market price is reduced by 50%;
3. the invention provides a building film with more excellent release property for consumers, and improves more excellent experience.
4. The invention further improves the light transmittance of the film, meets the optical application and expands the application range.
Drawings
FIG. 1 is a schematic view showing the structure of a manufacturing apparatus of the present invention.
In the figure: 1: extruder, 2: t-shaped flat die, 3: cooling roll, 4: stretching zone, 5: annealing area, 6: shaping area, 7: wind-up roll, 41: front tension blocking device, 42: a post-tension cut-off device.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in 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
Referring to fig. 1, the present invention provides a technical solution: a high-strength FEP film, a preparation method and a preparation device thereof are disclosed, wherein the FEP film comprises fluorinated ethylene propylene (FEP 1): the physical form is powder shape, the bulk density is 1g/ml, the melt index is 8g/min, and the content of perfluoropropene is 8 percent;
fluorinated ethylene propylene bis (FEP 2): the physical form is powder shape, the bulk density is 1g/ml, the melt index is 8g/min, and the content of perfluoropropene is 15 percent;
modifying agent: ECTFE (ethylene chlorotrifluoroethylene copolymer) or PCTFE (polychlorotrifluoroethylene) in the form of a powder having a bulk density of 1g/ml and a melt index of 3 g/min.
The addition proportion (by mass percent):
fluorinated ethylene propylene mono (FEP 1): 10 percent;
fluorinated ethylene propylene bis (FEP 2): 80 percent;
modifying agent: 10 percent;
weighing the materials according to the proportion, putting the materials into a high-speed mixer for mixing, then putting the materials into a double-screw extruder for extrusion granulation, wherein the length-diameter ratio of the adopted double-screw extruder is 28, the compression ratio of a screw is 1.8, and the extrusion processing temperature is set to be 200-300 ℃.
Drying the mixed and granulated material, placing the dried material in a casting extruder for melting and plasticizing, and extruding the material into a sheet with a certain thickness through a T-shaped plane die 2, wherein the sheet passes through a cooling zone, a stretching zone 4, an annealing and shaping zone, namely an annealing zone 5 and a shaping zone 6, and then a film with the required thickness is obtained;
the temperature of the film making process is 380-390 ℃, which refers to the temperature of an extruder and a die head, wherein the extruder is a single-screw extruder, and the melt temperature is controlled to be about 375 ℃;
the cooling area comprises two cooling rollers 3, the diameter of each cooling roller 3 is 500, and the temperature of each cooling roller 3 is 100 ℃;
the stretching area 4 is a semi-sealed area, a film outlet and a film inlet are reserved, a front tension partition device 41 is arranged at each of the outlet and the inlet, at least three heating rollers are arranged between a rear tension partition device 42, the temperature of the stretching area 4 is controlled at 150 ℃, and the stretching ratio is 0.5 time;
the annealing and shaping area is two sections of semi-sealed areas, the temperature of the annealing area 5 close to the stretching area 4 is controlled at 160 ℃, a plurality of steel rods are arranged in the annealing area 5 to ensure that the annealing time of the film is 5min, and the temperature of the shaping area is controlled at 90 ℃.
Finally, a 20 mu m fluorinated ethylene propylene film is prepared.
The preparation device of the high-strength FEP film comprises an extruder 1, a T-shaped plane die 2, a cooling roller 3, a stretching area 4, an annealing area 5, a shaping area 6 and a winding roller 7, wherein the extruder 1 is a single-screw extruder and a casting extruder.
Example 2
Referring to fig. 1, the present invention provides a technical solution: a high-strength FEP film, a preparation method and a preparation device thereof are disclosed, wherein the FEP film comprises fluorinated ethylene propylene (FEP 1): the physical form is powder shape, the bulk density is 2g/ml, the melt index is 14g/min, and the content of perfluoropropene is 10 percent;
fluorinated ethylene propylene bis (FEP 2): the physical form is powder shape, the bulk density is 2g/ml, the melt index is 14g/min, and the content of perfluoropropene is 25 percent;
modifying agent: ECTFE (ethylene chlorotrifluoroethylene copolymer) or PCTFE (polychlorotrifluoroethylene) in the form of a powder having a bulk density of 2g/ml and a melt index of 5 g/min.
The addition proportion (by mass percent):
fluorinated ethylene propylene mono (FEP 1): 30 percent;
fluorinated ethylene propylene bis (FEP 2): 65 percent;
modifying agent: 5 percent;
weighing the materials according to the proportion, putting the materials into a high-speed mixer for mixing, then putting the materials into a double-screw extruder for extrusion granulation, wherein the length-diameter ratio of the adopted double-screw extruder is 28-40, the compression ratio of the screw is 2.5, and the extrusion processing temperature is set to be 200-300 ℃.
Drying the mixed and granulated material, placing the dried material in a casting extruder for melting and plasticizing, and extruding the material into a sheet with a certain thickness through a T-shaped plane die 2, wherein the sheet passes through a cooling zone, a stretching zone 4, an annealing and shaping zone, namely an annealing zone 5 and a shaping zone 6, and then a film with the required thickness is obtained;
the temperature of the film making process is 380-390 ℃, which refers to the temperature of an extruder and a die head, wherein the extruder is a single-screw extruder, and the melt temperature is controlled to be about 380 ℃;
the cooling area comprises two cooling rollers 3, the diameter of each cooling roller 3 is 1000mm, and the temperature of each cooling roller 3 is 135 ℃;
the stretching area 4 is a semi-sealed area, a film outlet and a film inlet are reserved, a front tension partition device 41 is arranged at each of the outlet and the inlet, at least three heating rollers are arranged between a rear tension partition device 42, the temperature of the stretching area 4 is controlled at 165 ℃, and the stretching magnification is 1 time;
the annealing and shaping area is two sections of semi-sealed areas, the temperature of the annealing area 5 close to the stretching area 4 is controlled at 175 ℃, a plurality of steel rods are arranged in the annealing area 5 to ensure that the annealing time of the film is 7min, and the temperature of the shaping area is controlled at 110 ℃.
Finally, a 160 mu m fluorinated ethylene propylene film is prepared.
The preparation device of the high-strength FEP film comprises an extruder 1, a T-shaped plane die 2, a cooling roller 3, a stretching area 4, an annealing area 5, a shaping area 6 and a winding roller 7, wherein the extruder 1 refers to a double-screw extruder and a casting extruder.
Example 3
Referring to fig. 1, the present invention provides a technical solution: a high-strength FEP film, a preparation method and a preparation device thereof are disclosed, wherein the FEP film comprises fluorinated ethylene propylene (FEP 1): the physical form is powder shape, the bulk density is 3g/ml, the melt index is 20g/min, and the content of perfluoropropene is 13 percent;
fluorinated ethylene propylene bis (FEP 2): the physical form is powder shape, the bulk density is 3g/ml, the melt index is 20g/min, and the content of perfluoropropene is 40 percent;
modifying agent: ECTFE (ethylene chlorotrifluoroethylene copolymer) or PCTFE (polychlorotrifluoroethylene) in the form of a powder having a bulk density of 3g/ml and a melt index of 8 g/min.
The addition proportion (by mass percent):
fluorinated ethylene propylene mono (FEP 1): 49 percent;
fluorinated ethylene propylene bis (FEP 2): 50 percent;
modifying agent: 1 percent;
weighing the materials according to the proportion, putting the materials into a high-speed mixer for mixing, then putting the materials into a double-screw extruder for extrusion granulation, wherein the length-diameter ratio of the adopted double-screw extruder is 40, the compression ratio of a screw is 3.2, and the extrusion processing temperature is set to be 200-300 ℃.
Drying the mixed and granulated material, placing the dried material in a casting extruder for melting and plasticizing, and extruding the material into a sheet with a certain thickness through a T-shaped plane die 2, wherein the sheet passes through a cooling zone, a stretching zone 4, an annealing and shaping zone, namely an annealing zone 5 and a shaping zone 6, and then a film with the required thickness is obtained;
the film-making process temperature is 390-400 ℃, which refers to the temperature of an extruder and a die head, wherein the extruder is a single-screw extruder, and the melt temperature is controlled to be about 390 ℃;
the cooling area comprises two cooling rollers 3, the diameter of each cooling roller 3 is 1500mm, and the temperature of each cooling roller 3 is 170 ℃;
the stretching area 4 is a semi-sealed area, a film outlet and a film inlet are reserved, a front tension partition device 41 is arranged at each of the outlet and the inlet, at least three heating rollers are arranged between a rear tension partition device 42, the temperature of the stretching area 4 is controlled to be 180 ℃, and the stretching magnification is 2 times;
the annealing and shaping area is two sections of semi-sealed areas, the temperature of the annealing area 5 close to the stretching area 4 is controlled at 190 ℃, a plurality of steel rods are arranged in the annealing area 5 to ensure that the annealing time of the film is 10min, and the temperature of the shaping area is controlled at 130 ℃.
Finally, the 300 mu m fluorinated ethylene propylene film is prepared.
The preparation device of the high-strength FEP film comprises an extruder 1, a T-shaped plane die 2, a cooling roller 3, a stretching area 4, an annealing area 5, a shaping area 6 and a winding roller 7, wherein the extruder 1 refers to a double-screw extruder and a casting extruder.
Comparison table of parameters of ETFE (ethylene-tetrafluoroethylene copolymer) which is a commercially available material
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. A high-strength FEP film is characterized by comprising the following components in percentage by mass:
the perfluoroethylene-propylene copolymer has a perfluoropropylene content of 8-13%: 10 to 49 percent;
the content of perfluoropropene in the fluorinated ethylene propylene copolymer is 20-40%: 50-80%;
modifying agent: 1 to 10 percent.
2. A preparation method of a high-strength FEP film is characterized by comprising the following steps:
weighing 10-49% of first fluorinated ethylene propylene, 50-80% of second fluorinated ethylene propylene and 1-10% of modifier, putting the materials into a high-speed mixer for mixing, and then putting the materials into a double-screw extruder for extrusion granulation;
drying the mixed and granulated material, placing the dried material in a casting extruder for melting and plasticizing, and extruding the material into a sheet with a certain thickness through a T-shaped plane die, wherein the sheet passes through a cooling zone, a stretching zone and an annealing and shaping zone to obtain a film with the required thickness;
finally, the fluorinated ethylene propylene film is prepared.
3. The method for preparing a high-strength FEP film according to claim 2, wherein: the cooling roll temperature of the cooling zone is 100-170 ℃.
4. The method for preparing a high-strength FEP film according to claim 2, wherein: the length-diameter ratio of the double-screw extruder is 28-40, the compression ratio of the screw is 1.8-3.2, and the extrusion processing temperature is 200-300 ℃.
5. The method for preparing a high-strength FEP film according to claim 2, wherein: the temperature of the melt after melting and plasticizing in the casting extruder is controlled between 370 ℃ and 390 ℃.
6. The method for preparing a high-strength FEP film according to claim 2, wherein: the temperature of the stretching area is controlled to be 150-180 ℃, and the stretching ratio is 0.5-2 times.
7. The method for preparing a high-strength FEP film according to claim 2, wherein: the annealing and shaping area is two sections of semi-sealed areas, the temperature of the annealing area close to the stretching area is controlled to be 160-190 ℃, the annealing time is 5-10 min, and the temperature of the shaping area is controlled to be 90-130 ℃.
8. The utility model provides a high strength FEP film preparation facilities which characterized in that includes extruder, T type plane mould, chill roll, stretching zone, annealing district, design district and wind-up roll that set gradually in proper order.
9. The apparatus for preparing high strength FEP film according to claim 8, wherein: the stretching area is a semi-sealed area and is provided with an outlet and an inlet of the film, and the outlet and the inlet of the stretching area are respectively provided with a front tension isolating device and a rear tension isolating device.
10. The apparatus for preparing high strength FEP film according to claim 8, wherein: the cooling zone comprises two cooling rollers with the diameter of 500-1500 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110639038.3A CN113354851A (en) | 2021-06-08 | 2021-06-08 | High-strength FEP film and preparation method and preparation device thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110639038.3A CN113354851A (en) | 2021-06-08 | 2021-06-08 | High-strength FEP film and preparation method and preparation device thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113354851A true CN113354851A (en) | 2021-09-07 |
Family
ID=77533137
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110639038.3A Pending CN113354851A (en) | 2021-06-08 | 2021-06-08 | High-strength FEP film and preparation method and preparation device thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113354851A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113861872A (en) * | 2021-10-08 | 2021-12-31 | 泰州市晨光塑业有限公司 | Preparation method and equipment of high-transparency super-tough FEP film |
| CN114393900A (en) * | 2021-12-14 | 2022-04-26 | 山东东岳高分子材料有限公司 | Multilayer fluorine film for heat-seal welding and preparation method thereof |
| CN114805994A (en) * | 2022-04-13 | 2022-07-29 | 上海新旺科技有限公司 | Fluoroplastic shaping vacuum membrane tube and forming process |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4552925A (en) * | 1982-03-08 | 1985-11-12 | Daikin Kogyo Co., Ltd. | Tetrafluoroethylene/hexafluoropropylene copolymer having improved extrudability |
| JP2002173570A (en) * | 2000-12-06 | 2002-06-21 | Du Pont Mitsui Fluorochem Co Ltd | Heat-meltable fluororesin composition |
| US20110151187A1 (en) * | 2009-12-17 | 2011-06-23 | Shin-Etsu Polymer Co., Ltd. | Method of manufacturing film for film capacitor and film for film capacitor |
| CN102275317A (en) * | 2011-08-12 | 2011-12-14 | 重庆和泰塑胶有限公司 | Three-stage stretching process for cast film |
| CN102443092A (en) * | 2011-10-25 | 2012-05-09 | 中昊晨光化工研究院 | Method for preparing polyperfluorinated ethylene propylene resin |
| CN110480982A (en) * | 2018-05-10 | 2019-11-22 | 中昊晨光化工研究院有限公司 | It is a kind of to squeeze out with exhaustive fluorinated ethylene propylene and preparation method thereof |
-
2021
- 2021-06-08 CN CN202110639038.3A patent/CN113354851A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4552925A (en) * | 1982-03-08 | 1985-11-12 | Daikin Kogyo Co., Ltd. | Tetrafluoroethylene/hexafluoropropylene copolymer having improved extrudability |
| JP2002173570A (en) * | 2000-12-06 | 2002-06-21 | Du Pont Mitsui Fluorochem Co Ltd | Heat-meltable fluororesin composition |
| US20110151187A1 (en) * | 2009-12-17 | 2011-06-23 | Shin-Etsu Polymer Co., Ltd. | Method of manufacturing film for film capacitor and film for film capacitor |
| CN102275317A (en) * | 2011-08-12 | 2011-12-14 | 重庆和泰塑胶有限公司 | Three-stage stretching process for cast film |
| CN102443092A (en) * | 2011-10-25 | 2012-05-09 | 中昊晨光化工研究院 | Method for preparing polyperfluorinated ethylene propylene resin |
| CN110480982A (en) * | 2018-05-10 | 2019-11-22 | 中昊晨光化工研究院有限公司 | It is a kind of to squeeze out with exhaustive fluorinated ethylene propylene and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 余考明等: "聚全氟乙丙烯聚合技术研究进展", 《化工新型材料》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113861872A (en) * | 2021-10-08 | 2021-12-31 | 泰州市晨光塑业有限公司 | Preparation method and equipment of high-transparency super-tough FEP film |
| CN114393900A (en) * | 2021-12-14 | 2022-04-26 | 山东东岳高分子材料有限公司 | Multilayer fluorine film for heat-seal welding and preparation method thereof |
| CN114805994A (en) * | 2022-04-13 | 2022-07-29 | 上海新旺科技有限公司 | Fluoroplastic shaping vacuum membrane tube and forming process |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN113354851A (en) | High-strength FEP film and preparation method and preparation device thereof | |
| CN111875864B (en) | Polyethylene PE microporous breathable film for medical protective clothing and preparation method thereof | |
| EP3960421A1 (en) | Device and method for preparing high-strength high-modulus polyolefin thin film, and high-strength high-modulus polyolefin thin film | |
| JP6369961B2 (en) | Molding material and heat shrinkable tube made of the molding material | |
| CN113524830A (en) | High-tensile-strength polyester film for lithium battery current collector and preparation method thereof | |
| CN114702789B (en) | High-light-transmittance polyester film and manufacturing method thereof | |
| CN111703158A (en) | Antibacterial biaxially oriented polyvinyl alcohol film and preparation method thereof | |
| CN113265098A (en) | High-transparency super-tough ETFE film and preparation method thereof | |
| CN110303747B (en) | Polyolefin shrink film for ultra-high-speed, high-heat-sealing-performance and high-shrinkage packaging | |
| JP5878695B2 (en) | Transparent recycling sheet manufacturing method and transparent recycling sheet | |
| CN103753825A (en) | Production method of multilayer co-extruded low-temperature shrinkable polyolefin heat-shrinkable film | |
| KR20160108447A (en) | Stretched film manufacturing method | |
| CN115674628B (en) | Polyethylene ultra-thin film and preparation method thereof | |
| JP5599637B2 (en) | Film, sheet, production method thereof, and blister molded product, laminate | |
| CN1857908A (en) | Method for producing low temperature high shrinkage polyolefine heat shrinking film and produced film | |
| KR102466413B1 (en) | Polyester multi-layer film and manufacturing method thereof | |
| CN114350073A (en) | BOPP extinction material, preparation method thereof and BOPP extinction film | |
| CN110733217A (en) | unidirectional stretching multilayer co-extrusion polyethylene twisted film | |
| CN107498965A (en) | A kind of super-thin low-voltage thermoplastic film and its preparation technology | |
| CN113185822A (en) | PHA-based improved degradable plastic and production process thereof | |
| CN1297386C (en) | Method for producing two-way stretching polypropylene film for cigarette by pipe soaking method | |
| CN105086238A (en) | High-temperature-resistant composite film packaging material and preparation method thereof | |
| WO2012026478A1 (en) | Method for producing transparent resin laminate, molded body and resin laminate | |
| KR102287463B1 (en) | Eco-friendly water-soluble film comprising polyvinyl alcohol and manufacturing method thereof | |
| JP4726353B2 (en) | Method for producing polyamide-based simultaneous biaxially stretched laminated film |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210907 |