CN112743736A - Polyether-ether-ketone/meltable polytetrafluoroethylene composite membrane and preparation method and application thereof - Google Patents
Polyether-ether-ketone/meltable polytetrafluoroethylene composite membrane and preparation method and application thereof Download PDFInfo
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/22—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of indefinite length
- B29C43/24—Calendering
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/02—Apparatus characterised by being constructed of material selected for its chemically-resistant properties
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/003—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor characterised by the choice of material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
- B29C43/22—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of indefinite length
- B29C43/26—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of indefinite length in several steps
- B29C43/265—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor of articles of indefinite length in several steps for making multilayered articles
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- 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
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- 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
- B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
- B32B27/322—Layered products comprising a layer of synthetic resin comprising polyolefins comprising halogenated polyolefins, e.g. PTFE
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- 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
- B32B27/42—Layered products comprising a layer of synthetic resin comprising condensation resins of aldehydes, e.g. with phenols, ureas or melamines
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- 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
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/14—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
- B32B37/15—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer being manufactured and immediately laminated before reaching its stable state, e.g. in which a layer is extruded and laminated while in semi-molten state
- B32B37/156—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer being manufactured and immediately laminated before reaching its stable state, e.g. in which a layer is extruded and laminated while in semi-molten state at least one layer is calendered and immediately laminated
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- 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
- B32B38/00—Ancillary operations in connection with laminating processes
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/02—Apparatus characterised by their chemically-resistant properties
- B01J2219/0204—Apparatus characterised by their chemically-resistant properties comprising coatings on the surfaces in direct contact with the reactive components
- B01J2219/0245—Apparatus characterised by their chemically-resistant properties comprising coatings on the surfaces in direct contact with the reactive components of synthetic organic material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2027/00—Use of polyvinylhalogenides or derivatives thereof as moulding material
- B29K2027/06—PVC, i.e. polyvinylchloride
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2071/00—Use of polyethers, e.g. PEEK, i.e. polyether-etherketone or PEK, i.e. polyetherketone or derivatives thereof, as moulding material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2007/00—Flat articles, e.g. films or sheets
- B29L2007/002—Panels; Plates; Sheets
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- 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
- B32B2307/00—Properties of the layers or laminate
- B32B2307/50—Properties of the layers or laminate having particular mechanical properties
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- 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
- B32B2307/00—Properties of the layers or laminate
- B32B2307/70—Other properties
- B32B2307/714—Inert, i.e. inert to chemical degradation, corrosion
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Abstract
The invention provides a preparation method of a polyether-ether-ketone/meltable polytetrafluoroethylene composite film, which comprises the following steps: respectively melting polyether-ether-ketone and meltable polytetrafluoroethylene to respectively prepare a polyether-ether-ketone melt and a meltable polytetrafluoroethylene melt; respectively carrying out multistage calendering on the polyether-ether-ketone melt and the meltable polytetrafluoroethylene melt to respectively prepare a polyether-ether-ketone film and a meltable polytetrafluoroethylene film; and (3) compounding and rolling the polyether-ether-ketone film and the meltable polytetrafluoroethylene film. The raw materials required by the preparation method are easy to obtain, and the prepared polyether-ether-ketone/meltable polytetrafluoroethylene composite membrane can resist corrosion of hydrofluoric acid and concentrated sulfuric acid, has high strength and can be widely popularized and applied.
Description
Technical Field
The invention relates to the field of polymer films, in particular to a polyether-ether-ketone/meltable polytetrafluoroethylene composite film and a preparation method and application thereof.
Background
The high-strength corrosion-resistant transparent film has application requirements in many fields, such as an online video monitoring system of a hydrofluoric acid reaction system, and a monitoring lens is required to have good transparency and hydrofluoric acid corrosion resistance; some viewing or sampling ports involving concentrated sulfuric acid or other highly corrosive reagents are required to be corrosion resistant, strong and transparent. The traditional solution currently used in such applications is the use of DuPont's Teflon AF product, an amorphous Tetrafluoroethylene (TFE) copolymer, which solves the problems of corrosion resistance and transparency. However, Teflon AF is expensive, and the price per kilogram reaches tens of thousands of RMB, and the mechanical strength is general, and the tensile strength is only about 25 MPa.
Fusible Polytetrafluoroethylene (PFA) is a copolymer of a small amount of perfluoropropyl perfluorovinyl ether and polytetrafluoroethylene, and the properties are unchanged compared with those of polytetrafluoroethylene. Polyether ether ketone (PEEK) is a special high-performance engineering plastic and is mainly applied to gaskets, transmission parts, corrosion-resistant parts, acoustic devices, electromagnetic protection parts and the like in the industries of electronics, aerospace, automobiles, energy sources and the like. However, PEEK is a highly crystalline polymer, the crystallinity is more than 50%, and the PEEK is not resistant to corrosion by hydrofluoric acid and concentrated sulfuric acid, and the property limits the application of PEEK to a certain extent.
Disclosure of Invention
Based on the method, the raw material cost required by the preparation method is low, and the prepared polyether-ether-ketone/meltable polytetrafluoroethylene composite film can resist corrosion of hydrofluoric acid and concentrated sulfuric acid.
The invention is realized by the following technical scheme.
A preparation method of a polyether-ether-ketone/meltable polytetrafluoroethylene composite film comprises the following steps:
respectively melting polyether-ether-ketone and meltable polytetrafluoroethylene to respectively prepare a polyether-ether-ketone melt and a meltable polytetrafluoroethylene melt;
respectively carrying out multistage calendering on the polyether-ether-ketone melt and the meltable polytetrafluoroethylene melt to respectively prepare a polyether-ether-ketone film and a meltable polytetrafluoroethylene film;
and (3) compounding and rolling the polyether-ether-ketone film and the meltable polytetrafluoroethylene film.
In one embodiment, the method further comprises the step of quenching the obtained composite film product after the composite rolling.
In one embodiment, the quenching temperature is-5-10 ℃.
In one embodiment, the multistage calendering of the polyetheretherketone melt comprises the steps of:
performing first-stage calendering on the polyether-ether-ketone melt to prepare a primary film of the polyether-ether-ketone;
performing secondary calendering on the primary film of the polyether-ether-ketone to prepare a secondary film of the polyether-ether-ketone;
performing third-stage calendering on the second-stage film of the polyether-ether-ketone to prepare the polyether-ether-ketone film;
wherein the film thickness of the primary film of the polyetheretherketone is 500-1000 μm, and the film temperature of the primary film of the polyetheretherketone is 305-320 ℃;
the film thickness of the secondary film of the polyether-ether-ketone is 100-200 mu m, and the film temperature of the secondary film of the polyether-ether-ketone is 280-310 ℃;
the film thickness of the polyether-ether-ketone film is 10-30 mu m, and the film temperature of the polyether-ether-ketone film is 260-300 ℃.
In one embodiment, the multi-stage calendering of the meltable polytetrafluoroethylene melt comprises the steps of:
carrying out first-stage calendering on the meltable polytetrafluoroethylene melt to prepare a primary film of the meltable polytetrafluoroethylene;
performing secondary calendering on the primary film of the meltable polytetrafluoroethylene to prepare the meltable polytetrafluoroethylene film;
wherein the film thickness of the primary film of the meltable polytetrafluoroethylene is 100-300 μm, and the film temperature of the primary film of the meltable polytetrafluoroethylene is 260-280 ℃;
the thickness of the meltable polytetrafluoroethylene film is 10-30 mu m, and the film temperature of the meltable polytetrafluoroethylene film is 240-270 ℃.
In one embodiment, the sum of the film thicknesses of the polyetheretherketone film and the meltable polytetrafluoroethylene film is less than 50 μm.
In one embodiment, the film thickness of the polyetheretherketone/meltable polytetrafluoroethylene composite film is 20-40 μm; the membrane temperature of the polyether-ether-ketone/meltable polytetrafluoroethylene composite membrane is 240-270 ℃.
In one embodiment, the melting temperature of the polyether-ether-ketone is 350-370 ℃; and/or
The melting temperature of the meltable polytetrafluoroethylene is 310-340 ℃.
In one embodiment, the melt index of the polyether-ether-ketone is 1-80 g/10min at 380 ℃ and 5Kg pressure.
In one embodiment, the melt index of the meltable polytetrafluoroethylene is 1-20 g/10min at 372 ℃ and 5Kg pressure.
The invention also provides the polyether-ether-ketone/meltable polytetrafluoroethylene composite membrane prepared by the preparation method of the polyether-ether-ketone/meltable polytetrafluoroethylene composite membrane.
The invention also provides application of the polyetheretherketone/meltable polytetrafluoroethylene composite membrane in manufacturing a corrosion-resistant reaction device.
Compared with the prior art, the preparation method of the polyetheretherketone/meltable polytetrafluoroethylene composite membrane has the following beneficial effects:
according to the preparation method of the polyether-ether-ketone/meltable polytetrafluoroethylene composite membrane, the polyether-ether-ketone and the meltable polytetrafluoroethylene are subjected to multistage rolling respectively and then are subjected to composite rolling, so that the prepared polyether-ether-ketone/meltable polytetrafluoroethylene composite membrane has excellent corrosion resistance, can resist hydrofluoric acid and concentrated sulfuric acid, has excellent mechanical strength and can be used for a long time at the temperature of more than 200 ℃.
The preparation method has the advantages of easily available raw materials, reduced cost compared with the traditional product, and wide popularization and application.
Detailed Description
The present invention will now be described more fully hereinafter for purposes of facilitating an understanding thereof, and may be embodied in many different forms and is not limited to the embodiments described herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein in the description of the invention is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
The invention provides a preparation method of a polyether-ether-ketone/meltable polytetrafluoroethylene composite film, which comprises the following steps:
step S110: respectively melting polyether-ether-ketone and meltable Polytetrafluoroethylene (PFA) to respectively prepare a polyether-ether-ketone melt and a meltable polytetrafluoroethylene melt;
step S120: respectively carrying out multistage calendering on the polyether-ether-ketone melt and the meltable polytetrafluoroethylene melt to respectively prepare a polyether-ether-ketone film and a meltable polytetrafluoroethylene film;
step S130: and (3) compounding and rolling the polyether-ether-ketone film and the meltable polytetrafluoroethylene film.
In step S110, polyether ether ketone and meltable polytetrafluoroethylene powder are added to a normal-temperature polyether ether ketone heating tank and a meltable polytetrafluoroethylene heating tank, and N is used2Replacement to O in the tank2The content is less than 10 ppm. Respectively setting different heating temperature switches according to the melt flowability of the raw materials of the polyetheretherketone and the meltable polytetrafluoroethyleneHeating is started to obtain the polyether-ether-ketone and the meltable polytetrafluoroethylene in a molten state.
In one particular example, the multi-stage calendering of polyetheretherketone is a three-stage calendering; and/or multistage calendering of the meltable polytetrafluoroethylene into two-stage calendering.
In a specific example, the melt index of the polyetheretherketone is 1-80 g/10min at 380 ℃ and 5Kg pressure.
In a specific example, the melt index of the fusible polytetrafluoroethylene is 1-20 g/10min at 372 ℃ and 5Kg pressure.
In a specific example, the melting temperature of the polyetheretherketone is 350 ℃ to 370 ℃; and/or the melting temperature of the meltable polytetrafluoroethylene is 310-340 ℃. It is understood that in the present application, the melting temperature of polyetheretherketone includes, but is not limited to, the following temperatures: 350 deg.C, 355 deg.C, 356 deg.C, 357 deg.C, 358 deg.C, 359 deg.C, 360 deg.C, 361 deg.C, 362 deg.C, 363 deg.C, 364 deg.C, 365 deg.C, 370 deg.C; and/or the melting temperature of the fusible polytetrafluoroethylene include, but are not limited to, the following: 310 ℃, 315 ℃, 320 ℃, 325 ℃, 326 ℃, 327 ℃, 328 ℃, 329 ℃, 330 ℃, 331 ℃, 332 ℃, 333 ℃, 334 ℃, 335 ℃ and 340 ℃.
Preferably, the melting temperature of the polyetheretherketone is 355 ℃ to 365 ℃; further, the melting temperature of the polyether-ether-ketone is 360 ℃; and/or the melting temperature of the meltable polytetrafluoroethylene is 325-335 ℃; further, the melting temperature of the meltable polytetrafluoroethylene was 330 ℃.
In one specific example, the drawn box air temperature was 250 ℃.
In step S120, in one specific example, the multi-stage calendering of the peek melt includes the steps of:
performing first-stage calendering on the polyether-ether-ketone melt to prepare a primary film of polyether-ether-ketone;
performing secondary calendering on the primary film of the polyether-ether-ketone to prepare a secondary film of the polyether-ether-ketone;
performing third-stage calendering on the second-stage film of the polyether-ether-ketone to prepare a polyether-ether-ketone film;
wherein the film thickness of the primary film of the polyetheretherketone is 500-1000 μm, and the film temperature of the primary film of the polyetheretherketone is 305-320 ℃;
the film thickness of the secondary film of the polyether-ether-ketone is 100-200 mu m, and the film temperature of the secondary film of the polyether-ether-ketone is 280-310 ℃;
the film thickness of the polyetheretherketone film is 10-30 μm, and the film temperature of the polyetheretherketone film is 260-300 ℃.
As will be appreciated, in the present application, the film thickness of the primary film of polyetheretherketone includes, but is not limited to, 500 μm, 550 μm, 600 μm, 650 μm, 700 μm, 750 μm, 760 μm, 770 μm, 780 μm, 790 μm, 800 μm, 810 μm, 820 μm, 830 μm, 840 μm, 850 μm, 900 μm, 950 μm, 1000 μm; preferably, the film thickness of the primary film of polyetheretherketone is 750 to 850 μm; further, the film thickness of the primary film of polyetheretherketone was 800. mu.m.
The film temperature, i.e., the temperature of the rolled film, is understood to include, but is not limited to, 305 ℃, 310 ℃, 311 ℃, 312 ℃, 313 ℃, 314 ℃, 315 ℃, 316 ℃, 317 ℃, 318 ℃, 319 ℃, 320 ℃ in the primary film of polyetheretherketone in the present application; preferably, the primary film of polyetheretherketone has a film temperature of 315 ℃.
As can be understood, in the present application, the film thickness of the secondary film of polyetheretherketone is 100 μm, 110 μm, 120 μm, 130 μm, 140 μm, 150 μm, 160 μm, 170 μm, 180 μm, 190 μm, 200 μm; preferably, the film thickness of the secondary film of polyetheretherketone is 100 μm.
As will be appreciated, in the present application, the film temperature of the secondary film of polyetheretherketone is 280 ℃, 290 ℃, 295 ℃, 296 ℃, 297 ℃, 298 ℃, 299 ℃, 300 ℃, 301 ℃, 302 ℃, 303 ℃, 304 ℃, 305 ℃, 310 ℃; preferably, the membrane temperature of the secondary membrane of the polyether-ether-ketone is 295-305 ℃; further, the film temperature of the secondary film of polyetheretherketone was 300 ℃.
The film temperature of the polyetheretherketone film is 260 deg.C, 270 deg.C, 280 deg.C, 285 deg.C, 286 deg.C, 287 deg.C, 288 deg.C, 289 deg.C, 290 deg.C, 291 deg.C, 292 deg.C, 293 deg.C, 294 deg.C, 295 deg.C, 300 deg.C; preferably, the membrane temperature of the polyetheretherketone film is 285-295 ℃; further, the film temperature of the polyetheretherketone film was 290 ℃.
In one particular example, multi-stage calendering of a meltable polytetrafluoroethylene melt includes the steps of:
performing first-stage calendering on the meltable polytetrafluoroethylene melt to prepare a primary film of the meltable polytetrafluoroethylene;
performing secondary calendering on the primary film of the meltable polytetrafluoroethylene to prepare a meltable polytetrafluoroethylene film;
wherein the film thickness of the primary film of the meltable polytetrafluoroethylene is 100-300 μm, and the film temperature of the primary film of the meltable polytetrafluoroethylene is 260-280 ℃;
the thickness of the meltable polytetrafluoroethylene film is 10-30 μm, and the film temperature of the meltable polytetrafluoroethylene film is 240-270 ℃.
As will be understood, in the present application, the primary thin film of fusible polytetrafluoroethylene has a film thickness of 100 μm, 150 μm, 180 μm, 190 μm, 200 μm, 210 μm, 220 μm, 250 μm, 300 μm; preferably, the thickness of the primary thin film of fusible polytetrafluoroethylene is 150 to 250 μm; further, the thickness of the primary thin film of fusible polytetrafluoroethylene was 200. mu.m.
As will be appreciated, in the present application, the primary film of fusible polytetrafluoroethylene has a film temperature of 260 deg.C, 265 deg.C, 268 deg.C, 269 deg.C, 270 deg.C, 271 deg.C, 272 deg.C, 275 deg.C, 280 deg.C; preferably, the primary film of fusible polytetrafluoroethylene has a film temperature of 270 ℃.
As will be appreciated, in the present application, the film temperature of the fusible polytetrafluoroethylene film is 240 ℃, 250 ℃, 255 ℃, 256 ℃, 257 ℃, 258 ℃, 259 ℃, 260 ℃, 261 ℃, 262 ℃, 263 ℃, 264 ℃, 265 ℃, 270 ℃; preferably, the film temperature of the fusible polytetrafluoroethylene film is 255-265 ℃; further, the film temperature of the fusible polytetrafluoroethylene film was 260 ℃.
In a specific example, the sum of the film thicknesses of the polyetheretherketone film and the meltable polytetrafluoroethylene film is 50 μm or less.
In step S130, in a specific example, the film thickness of the peek/ptfe composite film is 20 μm to 40 μm; the film temperature of the polyether-ether-ketone/meltable polytetrafluoroethylene composite film is 240-270 ℃.
In a specific example, the method further comprises the step of quenching the obtained composite film product after the composite rolling.
The composite film is treated by quenching process, so that the polymer chains are not in time to be regularly arranged and can be kept in an amorphous or low-crystallinity state, and the transparency of the film is further improved.
In one specific example, the temperature conditions for quenching are-5 ℃ to 10 ℃.
The invention also provides a polyether-ether-ketone/meltable polytetrafluoroethylene composite film prepared by the preparation method of the polyether-ether-ketone/meltable polytetrafluoroethylene composite film. The polyether-ether-ketone/meltable polytetrafluoroethylene composite film has excellent high corrosion resistance and transparency, has no obvious corrosion in hydrofluoric acid and concentrated sulfuric acid, has the transmittance of more than 80 percent, can still be normally used at 200 ℃, and also has excellent strength performance, and the tensile strength is more than 50 MPa.
The invention also provides application of the polyether-ether-ketone/meltable polytetrafluoroethylene composite membrane in manufacturing a corrosion-resistant reaction device. The corrosion-resistant reaction device can be, but is not limited to, a monitoring lens with good transparency and hydrofluoric acid corrosion resistance required in an online video monitoring system of a hydrofluoric acid reaction system, or an observation port or a sampling port of a reaction device involving concentrated sulfuric acid or other strong corrosion reagents, and the like, and is not limited herein.
The polyetheretherketone/fusible polytetrafluoroethylene composite membrane and the method for preparing the same according to the present invention will be described in further detail with reference to the following embodiments. The starting materials used in the following examples are all commercially available products unless otherwise specified.
Example 1
The embodiment provides a preparation method of a polyetheretherketone/meltable polytetrafluoroethylene composite membrane, which comprises the following specific steps:
selecting the melt indexTaking 1g/10min PEEK and PFA as raw materials, respectively adding PEEK and PFA powder into normal temperature PEEK heating tank and PFA heating tank, and adding N2Replacement to O in the tank2The content is less than 10 ppm. The temperature of the PEEK melting tank is 370 ℃, the temperature of the PFA melting tank is 340 ℃, and the temperature of the calendering heat-preservation box body is 250 ℃.
The width of a first-stage pair roller of the PEEK calendering film-forming system is set to be 1000 micrometers, the film temperature is set to be 320 ℃, data are transmitted back to the control system in real time through the film thickness monitoring system, and the film thickness is controlled to be 1000 micrometers. The thickness of the film obtained by primary calendering of PFA is 300 mu m, and the data is transmitted back to a control system in real time through a film thickness monitoring system, wherein the film temperature is 280 ℃.
Setting the film thicknesses obtained by the two-stage rolling and the three-stage rolling of the PEEK rolling film-forming system to be 200 micrometers and 30 micrometers respectively, transmitting data back to the control system in real time through the film thickness monitoring system, and controlling the film temperatures to be 310 ℃ and 300 ℃ respectively. The secondary rolling film thickness of the PFA calendering film-forming system is 20 mu m, and the data is transmitted back to the control system in real time through the film thickness monitoring system, and the temperature is 280 ℃.
The roll width of a PEEK/PFA composite membrane calendering system is set to be 40 mu m, and the membrane temperature is set to be 270 ℃. The transition zone temperature was set at 285 ℃. The air temperature in the quenching zone is 10 ℃.
The PEEK/PFA composite film with the thickness of 40 mu m is obtained by the process, the light transmittance is 88 percent through testing, and the tensile strength is 60 MPa.
Example 2
The embodiment provides a preparation method of a polyetheretherketone/meltable polytetrafluoroethylene composite membrane, which comprises the following specific steps:
selecting PEEK with melt index of 80g/10min and PFA with melt index of 20g/10min as raw materials, respectively adding PEEK and PFA powder into a normal-temperature PEEK heating tank and PFA heating tank, and adding N2Replacement to O in the tank2The content is less than 10 ppm. The temperature of the PEEK melting tank is 350 ℃, the temperature of the PFA melting tank is 310 ℃, and the temperature of the calendering heat-preservation box body is 250 ℃.
The width of a first-stage pair roller of the PEEK calendering film-forming system is set to be 500 mu m, the film temperature is set to be 305 ℃, data are transmitted back to the control system in real time through the film thickness monitoring system, and the film thickness is controlled to be 500 mu m. The thickness of the film obtained by primary calendering of PFA is 100 mu m, and the data is transmitted back to a control system in real time through a film thickness monitoring system, wherein the film temperature is 260 ℃.
Setting the film thicknesses obtained by the two-stage rolling and the three-stage rolling of the PEEK rolling film-forming system to be 100 micrometers and 10 micrometers respectively, transmitting data back to the control system in real time through the film thickness monitoring system, and controlling the film temperatures to be 280 ℃ and 260 ℃ respectively. The secondary rolling film thickness of the PFA calendering film-forming system is 30 mu m, and the data is transmitted back to the control system in real time through the film thickness monitoring system, and the temperature is 240 ℃.
The roll width of a PEEK/PFA composite membrane calendering system is set to be 35 mu m, and the membrane temperature is set to be 240 ℃. The transition zone temperature was set at 285 ℃. The air temperature in the quenching zone is-5 ℃.
The PEEK/PFA composite membrane with the thickness of 35 mu m is obtained by the process, the light transmittance is 90 percent through testing, and the tensile strength is 55 MPa.
Example 3
The embodiment provides a preparation method of a polyetheretherketone/meltable polytetrafluoroethylene composite membrane, which comprises the following specific steps:
selecting PEEK with melt index of 5g/10min and PFA with melt index of 3g/10min as raw materials, respectively adding PEEK and PFA powder into a normal-temperature PEEK heating tank and PFA heating tank, and adding N2Replacement to O in the tank2The content is less than 10 ppm. The temperature of the PEEK melting tank is 360 ℃, the temperature of the PFA melting tank is 330 ℃, and the temperature of the calendering heat-preservation box body is 250 ℃.
The width of a first-stage pair roller of the PEEK calendering film-forming system is set to be 500 mu m, the film temperature is set to be 315 ℃, data are transmitted back to the control system in real time through the film thickness monitoring system, and the film thickness is controlled to be 500 mu m. The thickness of the film obtained by primary calendering of PFA is 200 μm, and the data is transmitted back to a control system in real time through a film thickness monitoring system, wherein the film temperature is 270 ℃.
Setting the film thicknesses obtained by the two-stage rolling and the three-stage rolling of the PEEK rolling film-forming system to be 100 micrometers and 20 micrometers respectively, transmitting data back to the control system in real time through the film thickness monitoring system, and controlling the film temperatures to be 300 ℃ and 290 ℃. The secondary rolling film thickness of the PFA calendering film-forming system is 20 mu m, and the data is transmitted back to the control system in real time through the film thickness monitoring system, and the temperature is 260 ℃.
The roll width of a PEEK/PFA composite membrane calendering system is set to be 35 mu m, and the membrane temperature is set to be 260 ℃. The transition zone temperature was set at 285 ℃. The air temperature in the quenching zone is 0 ℃.
The PEEK/PFA composite film with the thickness of 35 mu m is obtained by the process, the light transmittance is 94 percent through testing, and the tensile strength is 70 MPa.
Example 4
The embodiment provides a preparation method of a polyetheretherketone/meltable polytetrafluoroethylene composite membrane, which comprises the following specific steps:
selecting PEEK with melt index of 10g/10min and PFA with melt index of 5g/10min as raw materials, respectively adding PEEK and PFA powder into a normal-temperature PEEK heating tank and PFA heating tank, and adding N2Replacement to O in the tank2The content is less than 10 ppm. The temperature of the PEEK melting tank is 360 ℃, the temperature of the PFA melting tank is 330 ℃, and the temperature of the calendering heat-preservation box body is 250 ℃.
The width of a first-stage pair roller of the PEEK calendering film-forming system is set to be 600 mu m, the film temperature is set to be 310 ℃, data are transmitted back to the control system in real time through the film thickness monitoring system, and the film thickness is controlled to be 600 mu m. The thickness of the film obtained by primary calendering of PFA is 300 mu m, and the data is transmitted back to a control system in real time through a film thickness monitoring system, wherein the film temperature is 265 ℃.
Setting the film thicknesses obtained by secondary and tertiary rolling of the PEEK rolling film-forming system to be 200 micrometers and 30 micrometers respectively, transmitting data back to the control system in real time through the film thickness monitoring system, and controlling the film temperatures to be 295 ℃ and 285 ℃ respectively. The thickness of a secondary rolling film of the PFA calendering film-forming system is 15 mu m, and data are transmitted back to the control system in real time through the film thickness monitoring system, and the temperature is 265 ℃.
The roll width of a PEEK/PFA composite membrane calendering system is set to be 40 mu m, and the membrane temperature is set to be 260 ℃. The transition zone temperature was set at 285 ℃. The air temperature in the quenching zone is 0 ℃.
The PEEK/PFA composite film with the thickness of 40 mu m is obtained by the process, the light transmittance is 92% and the tensile strength is 64MPa through testing.
Example 5
The embodiment provides a preparation method of a polyetheretherketone/meltable polytetrafluoroethylene composite membrane, which comprises the following specific steps:
selecting PEEK with melt index of 5g/10min and PFA with melt index of 5g/10min as raw materials, and respectively pulverizing PEEK and PFAAdding PEEK and PFA at room temperature, and adding N2Replacement to O in the tank2The content is less than 10 ppm. The temperature of the PEEK melting tank is 360 ℃, the temperature of the PFA melting tank is 330 ℃, and the temperature of the calendering heat-preservation box body is 250 ℃.
The width of a first-stage pair roller of the PEEK calendering film-forming system is set to be 600 mu m, the film temperature is set to be 310 ℃, data are transmitted back to the control system in real time through the film thickness monitoring system, and the film thickness is controlled to be 600 mu m. The thickness of the film obtained by primary calendering of PFA is 300 mu m, and the data is transmitted back to a control system in real time through a film thickness monitoring system, wherein the film temperature is 265 ℃.
Setting the film thicknesses obtained by secondary and tertiary rolling of the PEEK rolling film-forming system to be 200 micrometers and 30 micrometers respectively, transmitting data back to the control system in real time through the film thickness monitoring system, and controlling the film temperatures to be 295 ℃ and 285 ℃ respectively. The thickness of a secondary rolling film of the PFA calendering film-forming system is 20 mu m, and the data is transmitted back to the control system in real time through the film thickness monitoring system, wherein the temperature is 265 ℃.
The roll width of a PEEK/PFA composite membrane calendering system is set to be 40 mu m, and the membrane temperature is set to be 260 ℃. The transition zone temperature was set at 285 ℃. The air temperature in the quenching zone is 0 ℃.
The PEEK/PFA composite film with the thickness of 40 mu m is obtained by the process, the light transmittance is 87% and the tensile strength is 54MPa through testing.
Example 6
The embodiment provides a preparation method of a polyetheretherketone/meltable polytetrafluoroethylene composite membrane, which comprises the following specific steps:
selecting PEEK with melt index of 10g/10min and PFA with melt index of 7g/10min as raw materials, respectively adding PEEK and PFA powder into a normal-temperature PEEK heating tank and PFA heating tank, and adding N2Replacement to O in the tank2The content is less than 10 ppm. The temperature of the PEEK melting tank is 360 ℃, the temperature of the PFA melting tank is 330 ℃, and the temperature of the calendering heat-preservation box body is 250 ℃.
The width of a first-stage pair roller of the PEEK calendering film-forming system is set to be 500 mu m, the film temperature is set to be 310 ℃, data are transmitted back to the control system in real time through the film thickness monitoring system, and the film thickness is controlled to be 500 mu m. The thickness of the film obtained by primary calendering of PFA is 200 μm, and the data is transmitted back to a control system in real time through a film thickness monitoring system, wherein the film temperature is 265 ℃.
Setting the film thicknesses obtained by the two-stage rolling and the three-stage rolling of the PEEK rolling film-forming system to be 100 micrometers and 20 micrometers respectively, transmitting data back to the control system in real time through the film thickness monitoring system, and controlling the film temperatures to be 290 ℃ and 280 ℃ respectively. The thickness of a secondary rolling film of the PFA calendering film-forming system is 20 mu m, and the data is transmitted back to the control system in real time through the film thickness monitoring system, wherein the temperature is 265 ℃.
The roll width of a PEEK/PFA composite membrane calendering system is set to be 30 mu m, and the membrane temperature is set to be 260 ℃. The transition zone temperature was set at 285 ℃. The air temperature in the quenching zone is 0 ℃.
The PEEK/PFA composite membrane with the thickness of 30 mu m is obtained by the process, the light transmittance is 90 percent through testing, and the tensile strength is 75 MPa.
Comparative example 1
The comparative example provides a preparation method of a polyetheretherketone/meltable polytetrafluoroethylene composite membrane, which comprises the following specific steps:
selecting PEEK with melt index of 5g/10min and PFA with melt index of 3g/10min as raw materials, respectively adding PEEK and PFA powder into a normal-temperature PEEK heating tank and PFA heating tank, and adding N2Replacement to O in the tank2The content is less than 10 ppm. The temperature of the PEEK melting tank is 360 ℃, the temperature of the PFA melting tank is 330 ℃, and the temperature of the calendering heat-preservation box body is 250 ℃.
The width of a first-stage pair roller of the PEEK calendering film-forming system is set to be 600 mu m, the film temperature is set to be 330 ℃, data are transmitted back to the control system in real time through the film thickness monitoring system, and the film thickness is controlled to be 600 mu m. The thickness of the film obtained by primary calendering of PFA is 300 mu m, and the data is transmitted back to a control system in real time through a film thickness monitoring system, wherein the film temperature is 265 ℃.
Setting the film thicknesses obtained by secondary and tertiary rolling of the PEEK rolling film-forming system to be 200 micrometers and 30 micrometers respectively, transmitting data back to the control system in real time through the film thickness monitoring system, and controlling the film temperatures to be 295 ℃ and 285 ℃ respectively. The thickness of a secondary rolling film of the PFA calendering film-forming system is 20 mu m, and the data is transmitted back to the control system in real time through the film thickness monitoring system, wherein the temperature is 265 ℃.
The roll width of a PEEK/PFA composite membrane calendering system is set to be 40 mu m, and the membrane temperature is set to be 260 ℃.
The PEEK/PFA composite membrane with the thickness of 40 mu m is obtained by the process, the light transmittance is 40 percent through testing, and the tensile strength is 50 MPa.
Effect test
The above examples 1 to 6 and comparative example 1 were subjected to an effect verification experiment including the measurement of transmittance and tensile strength.
The transmittance is tested by a blue light source with the wavelength of 450nm according to GB/T2410-2008; tensile strength was tested according to GB/T1040.3-2006.
The process parameters and the results of the effect verification experiments of examples 1 to 6 and comparative example 1 are shown in table 1.
TABLE 1
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (12)
1. A preparation method of a polyether-ether-ketone/meltable polytetrafluoroethylene composite film is characterized by comprising the following steps:
respectively melting polyether-ether-ketone and meltable polytetrafluoroethylene to respectively prepare a polyether-ether-ketone melt and a meltable polytetrafluoroethylene melt;
respectively carrying out multistage calendering on the polyether-ether-ketone melt and the meltable polytetrafluoroethylene melt to respectively prepare a polyether-ether-ketone film and a meltable polytetrafluoroethylene film;
and (3) compounding and rolling the polyether-ether-ketone film and the meltable polytetrafluoroethylene film.
2. The method for preparing a polyetheretherketone/fusible polytetrafluoroethylene composite film according to claim 1, further comprising a step of quenching the resulting composite film product after said composite rolling.
3. The method for preparing a polyetheretherketone/meltable polytetrafluoroethylene composite membrane according to claim 2, wherein the temperature condition of quenching is-5 ℃ to 10 ℃.
4. The method for preparing the polyetheretherketone/fusible polytetrafluoroethylene composite film according to claim 1, wherein the multistage calendering of the polyetheretherketone melt comprises the steps of:
performing first-stage calendering on the polyether-ether-ketone melt to prepare a primary film of the polyether-ether-ketone;
performing secondary calendering on the primary film of the polyether-ether-ketone to prepare a secondary film of the polyether-ether-ketone;
performing third-stage calendering on the second-stage film of the polyether-ether-ketone to prepare the polyether-ether-ketone film;
wherein the film thickness of the primary film of the polyetheretherketone is 500-1000 μm, and the film temperature of the primary film of the polyetheretherketone is 305-320 ℃;
the film thickness of the secondary film of the polyether-ether-ketone is 100-200 mu m, and the film temperature of the secondary film of the polyether-ether-ketone is 280-310 ℃;
the film thickness of the polyether-ether-ketone film is 10-30 mu m, and the film temperature of the polyether-ether-ketone film is 260-300 ℃.
5. The method for preparing the polyetheretherketone/fusible polytetrafluoroethylene composite film according to claim 1, wherein the multistage calendering of the fusible polytetrafluoroethylene melt comprises the steps of:
carrying out first-stage calendering on the meltable polytetrafluoroethylene melt to prepare a primary film of the meltable polytetrafluoroethylene;
performing secondary calendering on the primary film of the meltable polytetrafluoroethylene to prepare the meltable polytetrafluoroethylene film;
wherein the film thickness of the primary film of the meltable polytetrafluoroethylene is 100-300 μm, and the film temperature of the primary film of the meltable polytetrafluoroethylene is 260-280 ℃;
the thickness of the meltable polytetrafluoroethylene film is 10-30 mu m, and the film temperature of the meltable polytetrafluoroethylene film is 240-270 ℃.
6. The method for preparing a polyetheretherketone/meltable polytetrafluoroethylene composite film according to claim 1, wherein the sum of the thicknesses of the polyetheretherketone film and the meltable polytetrafluoroethylene film is 50 μm or less.
7. The method for preparing the polyetheretherketone/fusible polytetrafluoroethylene composite membrane according to any one of claims 1 to 6, wherein the thickness of the polyetheretherketone/fusible polytetrafluoroethylene composite membrane is 20 to 40 μm; the membrane temperature of the polyether-ether-ketone/meltable polytetrafluoroethylene composite membrane is 240-270 ℃.
8. The method for preparing the polyetheretherketone/fusible polytetrafluoroethylene composite membrane according to any one of claims 1 to 6, wherein the melting temperature of the polyetheretherketone is 350 ℃ to 370 ℃; and/or
The melting temperature of the meltable polytetrafluoroethylene is 310-340 ℃.
9. The method for preparing the polyetheretherketone/fusible polytetrafluoroethylene composite membrane according to any one of claims 1 to 6, wherein the melt index of the polyetheretherketone is 1 to 80g/10min at a temperature of 380 ℃ and a pressure of 5 Kg.
10. The method for preparing the polyetheretherketone/meltable polytetrafluoroethylene composite membrane according to any one of claims 1 to 6, wherein the melt index of the meltable polytetrafluoroethylene is 1 to 20g/10min at a temperature of 372 ℃ and a pressure of 5 Kg.
11. The polyether-ether-ketone/meltable polytetrafluoroethylene composite film prepared by the preparation method of the polyether-ether-ketone/meltable polytetrafluoroethylene composite film as defined in any one of claims 1-10.
12. Use of a polyetheretherketone/meltable polytetrafluoroethylene composite membrane according to claim 11 in the manufacture of a corrosion resistant reaction apparatus.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116394553A (en) * | 2023-02-13 | 2023-07-07 | 湖州森诺氟材料科技有限公司 | Equipment and method for enhancing interlayer binding force of polytetrafluoroethylene microporous membrane |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5393929A (en) * | 1993-11-23 | 1995-02-28 | Junkosha Co. Ltd. | Electrical insulation and articles thereof |
| US5783269A (en) * | 1995-04-26 | 1998-07-21 | Fresenius Ag | Non-PVC multilayer film for medical bags |
| US6025436A (en) * | 1995-04-19 | 2000-02-15 | Central Glass Company, Limited | Thermoplastic fluorine-containing resin composition useful for calendering |
| JP2008255175A (en) * | 2007-04-03 | 2008-10-23 | Toray Ind Inc | Thermoplastic polymer and its manufacturing method |
| CN102458843A (en) * | 2009-06-26 | 2012-05-16 | 泰科电子英国有限公司 | High performance, high temperature lightweight films, tapes or sheaths for wire insulation |
| CN102827386A (en) * | 2012-08-21 | 2012-12-19 | 江苏大学 | Preparation method of polyether-ether-ketone/graphene oxide nano-composite film |
| US20130199825A1 (en) * | 2010-10-26 | 2013-08-08 | Atotech Deutschland Gmbh | Composite build-up material for embedding of circuitry |
| CN103522552A (en) * | 2013-11-04 | 2014-01-22 | 上海市塑料研究所 | Fluorine-containing thin film tape casting preparing method |
| CN104149312A (en) * | 2014-08-08 | 2014-11-19 | 常州君华特种工程塑料制品有限公司 | Production equipment for continuous extrusion of PEEK sheets and process thereof |
| US20150118462A1 (en) * | 2013-10-31 | 2015-04-30 | Samsung Display Co., Ltd. | Composite films, methods of manufacturing composite films and apparatuses for performing methods |
| US20160160090A1 (en) * | 2014-12-04 | 2016-06-09 | Tyco Electronics Corporation | Adhesive Arrangement |
| CN108574924A (en) * | 2018-05-03 | 2018-09-25 | 深圳市摩码克来沃化学科技有限公司 | A kind of composite diaphragm, the preparation method of composite diaphragm and the acoustical generator equipped with the composite diaphragm |
| CN111152533A (en) * | 2020-01-03 | 2020-05-15 | 青岛大学 | Multifunctional expanded polytetrafluoroethylene plate and lamination composite preparation process thereof |
-
2020
- 2020-12-28 CN CN202011585199.0A patent/CN112743736A/en active Pending
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5393929A (en) * | 1993-11-23 | 1995-02-28 | Junkosha Co. Ltd. | Electrical insulation and articles thereof |
| US6025436A (en) * | 1995-04-19 | 2000-02-15 | Central Glass Company, Limited | Thermoplastic fluorine-containing resin composition useful for calendering |
| US5783269A (en) * | 1995-04-26 | 1998-07-21 | Fresenius Ag | Non-PVC multilayer film for medical bags |
| JP2008255175A (en) * | 2007-04-03 | 2008-10-23 | Toray Ind Inc | Thermoplastic polymer and its manufacturing method |
| CN102458843A (en) * | 2009-06-26 | 2012-05-16 | 泰科电子英国有限公司 | High performance, high temperature lightweight films, tapes or sheaths for wire insulation |
| US20130199825A1 (en) * | 2010-10-26 | 2013-08-08 | Atotech Deutschland Gmbh | Composite build-up material for embedding of circuitry |
| CN102827386A (en) * | 2012-08-21 | 2012-12-19 | 江苏大学 | Preparation method of polyether-ether-ketone/graphene oxide nano-composite film |
| US20150118462A1 (en) * | 2013-10-31 | 2015-04-30 | Samsung Display Co., Ltd. | Composite films, methods of manufacturing composite films and apparatuses for performing methods |
| CN103522552A (en) * | 2013-11-04 | 2014-01-22 | 上海市塑料研究所 | Fluorine-containing thin film tape casting preparing method |
| CN104149312A (en) * | 2014-08-08 | 2014-11-19 | 常州君华特种工程塑料制品有限公司 | Production equipment for continuous extrusion of PEEK sheets and process thereof |
| US20160160090A1 (en) * | 2014-12-04 | 2016-06-09 | Tyco Electronics Corporation | Adhesive Arrangement |
| CN108574924A (en) * | 2018-05-03 | 2018-09-25 | 深圳市摩码克来沃化学科技有限公司 | A kind of composite diaphragm, the preparation method of composite diaphragm and the acoustical generator equipped with the composite diaphragm |
| CN111152533A (en) * | 2020-01-03 | 2020-05-15 | 青岛大学 | Multifunctional expanded polytetrafluoroethylene plate and lamination composite preparation process thereof |
Non-Patent Citations (3)
| Title |
|---|
| 化工百科全书编辑委员会编: "《化工百科全书 第15卷 水产养殖-天然树脂》", 31 December 1997, 化学工业出版社 * |
| 王以真等: "《实用扬声器工艺手册》", 30 June 2006, 国防工业出版社 * |
| 迟剑峰等: "《材料成形技术基础》", 30 September 2001, 吉林大学出版社 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116394553A (en) * | 2023-02-13 | 2023-07-07 | 湖州森诺氟材料科技有限公司 | Equipment and method for enhancing interlayer binding force of polytetrafluoroethylene microporous membrane |
| CN116394553B (en) * | 2023-02-13 | 2024-01-30 | 湖州森诺氟材料科技有限公司 | Equipment and method for enhancing interlayer binding force of polytetrafluoroethylene microporous membrane |
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