CN113500794A - Processing method of acoustic composite membrane material - Google Patents
Processing method of acoustic composite membrane material Download PDFInfo
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- CN113500794A CN113500794A CN202110794512.XA CN202110794512A CN113500794A CN 113500794 A CN113500794 A CN 113500794A CN 202110794512 A CN202110794512 A CN 202110794512A CN 113500794 A CN113500794 A CN 113500794A
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- Prior art keywords
- film
- peek
- thermoplastic polyurethane
- polyurethane elastomer
- elastomer rubber
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- 239000012528 membrane Substances 0.000 title claims abstract description 38
- 239000000463 material Substances 0.000 title claims abstract description 30
- 239000002131 composite material Substances 0.000 title claims abstract description 29
- 238000003672 processing method Methods 0.000 title claims abstract description 8
- 239000004696 Poly ether ether ketone Substances 0.000 claims abstract description 135
- 229920002530 polyetherether ketone Polymers 0.000 claims abstract description 135
- 229920001971 elastomer Polymers 0.000 claims abstract description 129
- 239000004433 Thermoplastic polyurethane Substances 0.000 claims abstract description 128
- 229920002803 thermoplastic polyurethane Polymers 0.000 claims abstract description 128
- 239000005060 rubber Substances 0.000 claims abstract description 65
- 239000000806 elastomer Substances 0.000 claims abstract description 64
- 238000001746 injection moulding Methods 0.000 claims abstract description 31
- 238000005485 electric heating Methods 0.000 claims abstract description 25
- 239000002994 raw material Substances 0.000 claims abstract description 19
- 238000000034 method Methods 0.000 claims abstract description 15
- 238000001125 extrusion Methods 0.000 claims abstract description 12
- 125000005442 diisocyanate group Chemical group 0.000 claims abstract description 11
- 150000002009 diols Chemical class 0.000 claims abstract description 11
- 239000003365 glass fiber Substances 0.000 claims abstract description 10
- 238000002347 injection Methods 0.000 claims abstract description 10
- 239000007924 injection Substances 0.000 claims abstract description 10
- 239000011347 resin Substances 0.000 claims abstract description 9
- 229920005989 resin Polymers 0.000 claims abstract description 9
- 238000002360 preparation method Methods 0.000 claims abstract description 5
- 238000010438 heat treatment Methods 0.000 claims description 18
- 229920005862 polyol Polymers 0.000 claims description 10
- 150000003077 polyols Chemical class 0.000 claims description 10
- 238000003825 pressing Methods 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 4
- 238000003756 stirring Methods 0.000 claims description 4
- 150000001875 compounds Chemical class 0.000 claims description 3
- 238000010030 laminating Methods 0.000 abstract description 2
- JUPQTSLXMOCDHR-UHFFFAOYSA-N benzene-1,4-diol;bis(4-fluorophenyl)methanone Chemical compound OC1=CC=C(O)C=C1.C1=CC(F)=CC=C1C(=O)C1=CC=C(F)C=C1 JUPQTSLXMOCDHR-UHFFFAOYSA-N 0.000 abstract 4
- 150000005846 sugar alcohols Polymers 0.000 abstract 1
- 239000010410 layer Substances 0.000 description 9
- 238000000926 separation method Methods 0.000 description 4
- 238000002844 melting Methods 0.000 description 3
- 230000008018 melting Effects 0.000 description 3
- 239000012982 microporous membrane Substances 0.000 description 3
- 239000002861 polymer material Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000002356 single layer Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 239000004760 aramid Substances 0.000 description 1
- 229920003235 aromatic polyamide Polymers 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012510 hollow fiber Substances 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical class 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000004745 nonwoven fabric Substances 0.000 description 1
- 238000005373 pervaporation Methods 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920002492 poly(sulfone) Polymers 0.000 description 1
- 239000002990 reinforced plastic Substances 0.000 description 1
- 239000012779 reinforcing material Substances 0.000 description 1
- 238000001223 reverse osmosis Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 238000000108 ultra-filtration Methods 0.000 description 1
Classifications
-
- 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
- B29C69/00—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore
-
- 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
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/18—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using heated tools
-
- 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
-
- 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
- B29K2075/00—Use of PU, i.e. polyureas or polyurethanes or derivatives thereof, as moulding material
-
- 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
-
- 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
- B29L2009/00—Layered products
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Laminated Bodies (AREA)
Abstract
The invention discloses a processing method of an acoustic composite membrane material, which comprises the following steps: s1, preparation of a PEEK polyetheretherketone film: adding raw material polyether-ether-ketone resin into an injection molding machine, adding 30% of glass fiber into the injection molding machine, extruding by using an injection screw rod type, preparing a PEEK polyether-ether-ketone film by adopting an extrusion molding process of the injection molding machine, and preparing a TPU thermoplastic polyurethane elastomer rubber film by S2: adding raw materials of polyalcohol one mole, diisocyanate three moles and low molecular diol two moles into an injection molding machine, performing extrusion by using an injection screw rod type or plunger type, preparing a TPU thermoplastic polyurethane elastomer rubber film by adopting an injection molding machine extrusion molding process, and S3, placing the PEEK polyether ether ketone film on an electric heating plate; according to the invention, the PEEK polyether-ether-ketone film and the TPU thermoplastic polyurethane elastomer rubber film are selected, and the double-layer material composite film is prepared by laminating, so that the high power resistance of the acoustic composite film is improved.
Description
Technical Field
The invention relates to the technical field of animal feeding, in particular to a processing method of an acoustic composite membrane material.
Background
The composite membrane is a separation membrane formed by taking a microporous membrane or an ultrafiltration membrane as a support layer and covering the surface of the composite membrane with a dense homogeneous membrane with the thickness of only 0.1-0.25 mu m as a barrier layer, so that the permeation of substances is greatly increased, the material of the composite membrane comprises any possible material combination, for example, a ceramic membrane is covered on a metal oxide or an aromatic polyamide membrane is covered on a polysulfone microporous membrane, a flat membrane or a roll-type membrane of the composite membrane is reinforced by a nonwoven fabric to support the pressure resistance of the microporous membrane, while a hollow fiber membrane does not need to be prepared into a membrane consisting of a surface active layer with a separation function and a porous layer with a support function by two different membrane materials, and the composite membrane is mainly used in separation processes of reverse osmosis, gas separation, pervaporation and the like.
The diaphragm is used as a sound production component in the loudspeaker, in order to reduce the resonant frequency of a product, widen the frequency band, and improve the tone qualities of the low frequency band and the high frequency band of the loudspeaker, but the current electroacoustic product industry generally uses a single-layer high polymer material for sound production, but the single-layer high polymer material has poor power resistance, and when high-temperature power occurs, the diaphragm is easy to deform or collapse, which affects the use of the diaphragm.
Disclosure of Invention
The invention aims to provide a processing method of an acoustic composite membrane material, which aims to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a method for processing an acoustic compound membrane material,
s1, preparation of a PEEK polyetheretherketone film: adding raw material PEEK resin into an injection molding machine, adding 30% of glass fiber into the injection molding machine, extruding by using an injection screw rod type, and preparing a PEEK film by adopting an injection molding machine extrusion molding process;
s2, preparing a TPU thermoplastic polyurethane elastomer rubber film: adding raw materials of polyol one mole, diisocyanate three mole and low molecular diol two mole into an injection molding machine, extruding by using an injection screw rod type extruder or a plunger type extruder, and preparing a TPU thermoplastic polyurethane elastomer rubber film by adopting an injection molding machine extrusion molding process;
s3, placing the PEEK polyetheretherketone film on an electric heating plate, and heating one surface of the PEEK polyetheretherketone film in an electric heating mode to ensure that the surface of the heated surface of the PEEK polyetheretherketone film has certain viscosity;
s4, placing the TPU thermoplastic polyurethane elastomer rubber film on an electric heating plate, heating the TPU thermoplastic polyurethane elastomer rubber film and the PEEK polyether-ether-ketone film at the same time, and heating one surface of the TPU thermoplastic polyurethane elastomer rubber film in an electric heating mode to ensure that the surface of the heated surface of the TPU thermoplastic polyurethane elastomer rubber film has certain viscosity;
s5, taking down the PEEK polyetheretherketone film from the electric heating plate by using a tool, and then placing the heated side of the PEEK polyetheretherketone film at a specified position in an upward manner;
s6, taking down the TPU thermoplastic polyurethane elastomer rubber film from the electric heating plate by using a tool, then enabling the heated surface to face downwards, and then covering the heated surface of the PEEK (polyetheretherketone) film;
s7, pressing the TPU thermoplastic polyurethane elastomer rubber film and the PEEK polyether ether ketone film in a driving roller mode to enable the TPU thermoplastic polyurethane elastomer rubber film and the PEEK polyether ether ketone film to be attached;
and S8, bonding the two materials to form the double-layer material composite film.
Preferably, in the step S1, the polyetheretherketone resin and the 30% glass fiber are added into a stirring tank, stirred and mixed for 30 minutes to obtain a mixture, and the mixture is added into an injection molding machine.
Preferably, in the step S2, the raw materials including the polyol, the diisocyanate, and the low molecular diol are formulated, and then the formulated raw materials are sufficiently mixed and then introduced into the injection molding machine.
Preferably, in the step S3, the heating temperature should not exceed 330 ℃ when the PEEK polyetheretherketone film is heated.
Preferably, in the step S4, the heating temperature of the TPU thermoplastic polyurethane elastomer rubber film should not exceed 100 ℃.
Preferably, in the step S7, the conveying roller moves back and forth on the upper surface of the TPU thermoplastic polyurethane elastomer rubber film, and the pressing time is 20 minutes, so that the TPU thermoplastic polyurethane elastomer rubber film and the PEEK polyether ether ketone film are completely attached to each other.
Compared with the prior art, the processing method of the acoustic composite membrane material has the following effects:
1. according to the invention, the PEEK polyether-ether-ketone film and the TPU thermoplastic polyurethane elastomer rubber film are selected, and the double-layer material composite film is prepared by laminating, so that the high power resistance of the acoustic composite film is improved;
2. the invention is convenient to prolong the service life of the acoustic composite membrane by synthesizing the double-layer material composite membrane.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all 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.
The invention provides a technical scheme that: the processing method of the acoustic compound membrane material comprises the following steps:
the first embodiment is as follows:
s1, preparation of a PEEK polyetheretherketone film: adding raw material PEEK resin into an injection molding machine, extruding by using an injection screw rod type, and preparing the PEEK film by adopting an extrusion molding process of the injection molding machine.
S2, preparing a TPU thermoplastic polyurethane elastomer rubber film: adding the raw materials of polyol one mole, diisocyanate three mole and low molecular diol two mole into an injection molding machine, extruding by using an injection screw rod type extruder or a plunger type extruder, preparing a TPU thermoplastic polyurethane elastomer rubber film by adopting an injection molding machine extrusion molding process, in the step S2, fully mixing the raw materials after the raw materials of polyol, diisocyanate and low molecular diol are formulated, and then adding the formulated raw materials into the injection molding machine, wherein the adding ratio of the polyol, the diisocyanate and the low molecular diol is 1: 3: 2, the TPU thermoplastic polyurethane elastomer rubber film is convenient to synthesize.
S3, placing the PEEK polyetheretherketone film on an electric heating plate, heating one surface of the PEEK polyetheretherketone film in an electric heating mode to enable the surface of the heated surface of the PEEK polyetheretherketone film to have certain viscosity, and in the step S3, when the PEEK polyetheretherketone film is heated, the heating temperature is not higher than 330 ℃, the melting point of the PEEK polyetheretherketone film is 330 ℃, so that the PEEK polyetheretherketone film is prevented from being melted, and the internal performance of the PEEK polyetheretherketone film is protected conveniently.
S4, placing the TPU thermoplastic polyurethane elastomer rubber film on an electric heating plate, heating the TPU thermoplastic polyurethane elastomer rubber film and the PEEK film simultaneously, heating one surface of the TPU thermoplastic polyurethane elastomer rubber film in an electric heating mode to enable the surface of the heated surface of the TPU thermoplastic polyurethane elastomer rubber film to have certain viscosity, and in the step S4, when the TPU thermoplastic polyurethane elastomer rubber film is heated, the heating temperature is not more than 100 ℃, so that the situation that the TPU thermoplastic polyurethane elastomer rubber film is melted is avoided, and the performance of the TPU thermoplastic polyurethane elastomer rubber film is protected conveniently.
S5, taking the PEEK polyetheretherketone film off the electric heating plate by using a tool, then placing the heated side upwards at a specified position, so that the PEEK polyetheretherketone film is favorably attached to the TPU thermoplastic polyurethane elastomer rubber film, and the PEEK polyetheretherketone film has certain viscosity when being attached to the TPU thermoplastic polyurethane elastomer rubber film, so that the PEEK polyetheretherketone film is completely attached.
And S6, taking the TPU thermoplastic polyurethane elastomer rubber film off the electric heating plate by using a tool, then downwards placing the heated side, and covering the heated side of the PEEK polyetheretherketone film.
S7, pressing the TPU thermoplastic polyurethane elastomer rubber film and the PEEK polyether ether ketone film in a driving roller mode to enable the TPU thermoplastic polyurethane elastomer rubber film and the PEEK polyether ether ketone film to be jointed, wherein in the S7 step, the conveying roller moves back and forth on the upper surface of the TPU thermoplastic polyurethane elastomer rubber film, the pressing time is 20 minutes, and the TPU thermoplastic polyurethane elastomer rubber film and the PEEK polyether ether ketone film are completely jointed.
And S8, bonding the two materials to form the double-layer material composite film.
Example two:
s1, preparation of a PEEK polyetheretherketone film: adding raw material polyether-ether-ketone resin into an injection molding machine, wherein the polyether-ether-ketone resin belongs to a special high polymer material, has physical and chemical properties such as high temperature resistance and chemical corrosion resistance, can be prepared into a reinforcing material with glass fiber, meanwhile, 30 percent of glass fiber is added into the injection molding machine, the glass fiber is reinforced plastic, and has better rigidity and creep resistance and better dimensional stability than PEEK-1000, can bear fixed load for a long time at high temperature, is convenient for increasing the toughness and the strength of the acoustic composite membrane, utilizes an injection screw rod type to extrude, adopts an injection molding machine to extrude and mold to prepare the PEEK polyetheretherketone membrane, in the step S1, adding polyether-ether-ketone resin and 30% of glass fiber into a stirring tank, stirring and mixing for 30 minutes to obtain a mixed material, and adding the mixed material into an injection molding machine.
S2, preparing a TPU thermoplastic polyurethane elastomer rubber film: adding the raw materials of polyol one mole, diisocyanate three mole and low molecular diol two mole into an injection molding machine, extruding by using an injection screw rod type extrusion or a plunger type extrusion, preparing the TPU thermoplastic polyurethane elastomer rubber film by adopting an injection molding machine extrusion molding process, wherein the TPU thermoplastic polyurethane elastomer rubber film has rubber elasticity and plastic characteristics, in the step S2, the raw materials of polyol, diisocyanate and low molecular diol are fully mixed after being formulated, then the formulated raw materials are added into the injection molding machine, and the adding ratio of the polyol, the diisocyanate and the low molecular diol is 1: 3: 2, the TPU thermoplastic polyurethane elastomer rubber film is convenient to synthesize.
S3, placing the PEEK polyetheretherketone film on an electric heating plate, heating one surface of the PEEK polyetheretherketone film in an electric heating mode to enable the surface of the heated surface of the PEEK polyetheretherketone film to have certain viscosity, and in the step S3, when the PEEK polyetheretherketone film is heated, the heating temperature is not higher than 330 ℃, the melting point of the PEEK polyetheretherketone film is 330 ℃, so that the PEEK polyetheretherketone film is prevented from being melted, and the internal performance of the PEEK polyetheretherketone film is protected conveniently.
S4, placing the TPU thermoplastic polyurethane elastomer rubber film on an electric heating plate, heating the TPU thermoplastic polyurethane elastomer rubber film and the PEEK film simultaneously, heating one surface of the TPU thermoplastic polyurethane elastomer rubber film in an electric heating mode to enable the surface of the heated surface of the TPU thermoplastic polyurethane elastomer rubber film to have certain viscosity, and in the step S4, when the TPU thermoplastic polyurethane elastomer rubber film is heated, the heating temperature is not higher than 100 ℃, the melting point of the TPU thermoplastic polyurethane elastomer rubber film is 100 ℃, so that the situation that the TPU thermoplastic polyurethane elastomer rubber film is melted is avoided, and the performance of the TPU thermoplastic polyurethane elastomer rubber film is protected conveniently.
S5, taking the PEEK polyetheretherketone film off the electric heating plate by using a tool, then placing the heated side upwards at a specified position, so that the PEEK polyetheretherketone film is favorably attached to the TPU thermoplastic polyurethane elastomer rubber film, and the PEEK polyetheretherketone film has certain viscosity when being attached to the TPU thermoplastic polyurethane elastomer rubber film, so that the PEEK polyetheretherketone film is completely attached.
And S6, taking the TPU thermoplastic polyurethane elastomer rubber film off the electric heating plate by using a tool, then downwards placing the heated side, and covering the heated side of the PEEK polyetheretherketone film.
S7, pressing the TPU thermoplastic polyurethane elastomer rubber film and the PEEK polyether ether ketone film in a driving roller mode to enable the TPU thermoplastic polyurethane elastomer rubber film and the PEEK polyether ether ketone film to be jointed, wherein in the S7 step, the conveying roller moves back and forth on the upper surface of the TPU thermoplastic polyurethane elastomer rubber film, the pressing time is 20 minutes, and the TPU thermoplastic polyurethane elastomer rubber film and the PEEK polyether ether ketone film are completely jointed.
And S8, bonding the two materials to form the double-layer material composite film.
By adding 30% of glass fiber, the rigidity and creep resistance of the acoustic composite membrane are improved, and the high power resistance of the acoustic composite membrane is improved.
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 (6)
1. The processing method of the acoustic compound membrane material is characterized by comprising the following steps of:
s1, preparation of a PEEK polyetheretherketone film: adding raw material PEEK resin into an injection molding machine, adding 30% of glass fiber into the injection molding machine, extruding by using an injection screw rod type, and preparing a PEEK film by adopting an injection molding machine extrusion molding process;
s2, preparing a TPU thermoplastic polyurethane elastomer rubber film: adding raw materials of polyol one mole, diisocyanate three mole and low molecular diol two mole into an injection molding machine, extruding by using an injection screw rod type extruder or a plunger type extruder, and preparing a TPU thermoplastic polyurethane elastomer rubber film by adopting an injection molding machine extrusion molding process;
s3, placing the PEEK polyetheretherketone film on an electric heating plate, and heating one surface of the PEEK polyetheretherketone film in an electric heating mode to ensure that the surface of the heated surface of the PEEK polyetheretherketone film has certain viscosity;
s4, placing the TPU thermoplastic polyurethane elastomer rubber film on an electric heating plate, heating the TPU thermoplastic polyurethane elastomer rubber film and the PEEK polyether-ether-ketone film at the same time, and heating one surface of the TPU thermoplastic polyurethane elastomer rubber film in an electric heating mode to ensure that the surface of the heated surface of the TPU thermoplastic polyurethane elastomer rubber film has certain viscosity;
s5, taking down the PEEK polyetheretherketone film from the electric heating plate by using a tool, and then placing the heated side of the PEEK polyetheretherketone film at a specified position in an upward manner;
s6, taking down the TPU thermoplastic polyurethane elastomer rubber film from the electric heating plate by using a tool, then enabling the heated surface to face downwards, and then covering the heated surface of the PEEK (polyetheretherketone) film;
s7, pressing the TPU thermoplastic polyurethane elastomer rubber film and the PEEK polyether ether ketone film in a driving roller mode to enable the TPU thermoplastic polyurethane elastomer rubber film and the PEEK polyether ether ketone film to be attached;
and S8, bonding the two materials to form the double-layer material composite film.
2. The method for processing an acoustic composite membrane material according to claim 1, wherein in the step S1, the peek resin and the 30% glass fiber are added into a stirring tank, stirred and mixed for 30 minutes to obtain a mixture, and the mixture is added into an injection molding machine.
3. The method of processing an acoustic composite membrane material according to claim 1, wherein in the step S2, the raw materials including the polyol, the diisocyanate and the low molecular diol are formulated, and then the formulated raw materials are mixed thoroughly and then fed into an injection molding machine.
4. The method of processing an acoustic composite membrane material according to claim 1, wherein the PEEK film is heated at a temperature not exceeding 330 ℃ in the step S3.
5. The method for processing an acoustic composite membrane material according to claim 1, wherein the TPU thermoplastic polyurethane elastomer rubber membrane is heated at a temperature not exceeding 100 ℃ in the step S4.
6. The method for processing an acoustic composite membrane material according to claim 1, wherein in the step S7, the conveying roller moves back and forth on the upper surface of the TPU thermoplastic polyurethane elastomer rubber membrane, and the pressing time is 20 minutes, so that the TPU thermoplastic polyurethane elastomer rubber membrane and the PEEK film are completely attached to each other.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110794512.XA CN113500794A (en) | 2021-07-14 | 2021-07-14 | Processing method of acoustic composite membrane material |
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| CN202110794512.XA CN113500794A (en) | 2021-07-14 | 2021-07-14 | Processing method of acoustic composite membrane material |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202873041U (en) * | 2012-09-26 | 2013-04-10 | 瑞声光电科技(常州)有限公司 | Composite vibration diaphragm and loudspeaker using same |
| CN202873038U (en) * | 2012-09-26 | 2013-04-10 | 瑞声光电科技(常州)有限公司 | Composite vibration diaphragm and loudspeaker using same |
| CN110789213A (en) * | 2019-11-08 | 2020-02-14 | 平湖市方盛皮件股份有限公司 | Polyurethane and polytetrafluoroethylene compounding process |
| CN212519409U (en) * | 2020-05-28 | 2021-02-09 | 苏州巷尔电子材料有限公司 | Composite acoustic composite membrane |
| CN112468937A (en) * | 2020-11-23 | 2021-03-09 | 歌尔股份有限公司 | Laminated composite film and preparation method thereof, vibrating diaphragm and sound production device |
-
2021
- 2021-07-14 CN CN202110794512.XA patent/CN113500794A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202873041U (en) * | 2012-09-26 | 2013-04-10 | 瑞声光电科技(常州)有限公司 | Composite vibration diaphragm and loudspeaker using same |
| CN202873038U (en) * | 2012-09-26 | 2013-04-10 | 瑞声光电科技(常州)有限公司 | Composite vibration diaphragm and loudspeaker using same |
| CN110789213A (en) * | 2019-11-08 | 2020-02-14 | 平湖市方盛皮件股份有限公司 | Polyurethane and polytetrafluoroethylene compounding process |
| CN212519409U (en) * | 2020-05-28 | 2021-02-09 | 苏州巷尔电子材料有限公司 | Composite acoustic composite membrane |
| CN112468937A (en) * | 2020-11-23 | 2021-03-09 | 歌尔股份有限公司 | Laminated composite film and preparation method thereof, vibrating diaphragm and sound production device |
Non-Patent Citations (1)
| Title |
|---|
| 丁浩, 化学工业出版社北京 * |
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