CN112625418A - Low-phase-difference polycarbonate and polymethyl methacrylate composite film and preparation method thereof - Google Patents
Low-phase-difference polycarbonate and polymethyl methacrylate composite film and preparation method thereof Download PDFInfo
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- CN112625418A CN112625418A CN202011393115.3A CN202011393115A CN112625418A CN 112625418 A CN112625418 A CN 112625418A CN 202011393115 A CN202011393115 A CN 202011393115A CN 112625418 A CN112625418 A CN 112625418A
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- Prior art keywords
- polycarbonate
- polymethyl methacrylate
- temperature
- extruder
- material extruder
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- 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.)
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Links
- 229920000515 polycarbonate Polymers 0.000 title claims abstract description 59
- 239000004417 polycarbonate Substances 0.000 title claims abstract description 59
- 229920003229 poly(methyl methacrylate) Polymers 0.000 title claims abstract description 38
- 239000004926 polymethyl methacrylate Substances 0.000 title claims abstract description 38
- 239000002131 composite material Substances 0.000 title claims abstract description 28
- 238000002360 preparation method Methods 0.000 title claims abstract description 17
- 239000000463 material Substances 0.000 claims abstract description 74
- 238000001035 drying Methods 0.000 claims abstract description 16
- 238000010030 laminating Methods 0.000 claims abstract description 14
- 238000005096 rolling process Methods 0.000 claims abstract description 14
- 238000001816 cooling Methods 0.000 claims abstract description 13
- 238000001291 vacuum drying Methods 0.000 claims abstract description 8
- 238000001125 extrusion Methods 0.000 claims description 12
- 238000003490 calendering Methods 0.000 claims description 3
- 238000000034 method Methods 0.000 claims description 3
- 239000012528 membrane Substances 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000007547 defect Effects 0.000 abstract description 3
- 239000010408 film Substances 0.000 description 14
- 239000012788 optical film Substances 0.000 description 5
- 229920006267 polyester film Polymers 0.000 description 4
- 230000003287 optical effect Effects 0.000 description 3
- 239000011521 glass Substances 0.000 description 2
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000004134 energy conservation Methods 0.000 description 1
- 239000003063 flame retardant Substances 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 229920006289 polycarbonate film Polymers 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000002834 transmittance Methods 0.000 description 1
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
- C08J2333/00—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 only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers
- C08J2333/04—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 only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers esters
- C08J2333/06—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 only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers esters of esters containing only carbon, hydrogen, and oxygen, the oxygen atom being present only as part of the carboxyl radical
- C08J2333/10—Homopolymers or copolymers of methacrylic acid esters
- C08J2333/12—Homopolymers or copolymers of methyl methacrylate
-
- 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
- C08J2369/00—Characterised by the use of polycarbonates; Derivatives of polycarbonates
-
- 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
- C08J2433/00—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 only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers
- C08J2433/04—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 only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers esters
- C08J2433/06—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 only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers esters of esters containing only carbon, hydrogen, and oxygen, the oxygen atom being present only as part of the carboxyl radical
- C08J2433/10—Homopolymers or copolymers of methacrylic acid esters
- C08J2433/12—Homopolymers or copolymers of methyl methacrylate
-
- 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
- C08J2469/00—Characterised by the use of polycarbonates; Derivatives of polycarbonates
Abstract
The invention relates to a low phase difference polycarbonate and polymethyl methacrylate composite film and a preparation method thereof, wherein the preparation method comprises the following steps: drying S1, preheating S2 equipment, extruding S3, laminating S4, rolling S5, cooling S6, drawing S7 and rolling S8; drying the S1: putting the polycarbonate material into a vacuum drying oven at 120 ℃ for drying for 8h, and putting the polymethyl methacrylate material into a vacuum drying oven at 85 ℃ for drying for 4 h; preheating the S2 equipment: preheating a polycarbonate material extruder, a polymethyl methacrylate material extruder and a laminating device, wherein the temperature of a first zone of the polycarbonate material extruder is 245 ℃, the temperature of a second zone of the polycarbonate material extruder is 255 ℃, and the temperature of a third zone of the polycarbonate material extruder is 265 ℃; the invention improves the low phase difference polycarbonate and polymethyl methacrylate composite membrane and the preparation method thereof, and has the advantages of reasonable design, low material cost, simple acquisition channel, convenient production flow, easy realization and high production efficiency, thereby effectively solving the problems and the defects provided by the invention.
Description
Technical Field
The invention relates to the technical field of composite membranes and preparation methods thereof, in particular to a low phase difference polycarbonate and polymethyl methacrylate composite membrane and a preparation method thereof.
Background
Optical polyester films are polyester film materials having specific optical properties and suitable for professional use, and are an important branch of the optical film field, and in recent years, optical grade polyester film products are more and more popular in various fields, and are mainly used for buildings, automobile glass and other related products, electronic display screens, battery rear plates and the like. The optical-grade polyester film is basically characterized by good light transmittance, high surface smoothness, low haze, low refraction, high cleanliness, good heat resistance, high mechanical strength, few crystal foreign matters and the like.
The optical film reduces heat exchange between indoor heat and the outside by reflecting infrared heat energy in sunlight, thereby achieving the purpose of energy conservation and being widely applied to surfaces of building doors and windows, automobile glass and the like. Currently, researchers conduct related researches on the optical film, on one hand, the cost of materials is high, and the optical film is not suitable for large-scale production and application, and on the other hand, the complexity of preparation processes and equipment is a bottleneck limiting the industrialization of the optical film.
In view of the above, the present invention provides a low phase difference polycarbonate and polymethyl methacrylate composite film and a method for preparing the same, which aims to solve the problems and improve the practical value.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a low phase difference polycarbonate and polymethyl methacrylate composite film and a preparation method thereof.
In order to achieve the purpose, the invention adopts the technical scheme that:
a low phase difference polycarbonate and polymethyl methacrylate composite film and a preparation method thereof comprise the following steps: polycarbonate material, polymethyl methacrylate material;
as further optimization of the technical scheme, the invention relates to a high-deformation flame-retardant polycarbonate film and a preparation method thereof, wherein the preparation method of the low-phase-difference polycarbonate and polymethyl methacrylate composite film comprises the following steps:
s1, drying;
s2, preheating equipment;
s3, extruding;
s4, stacking;
s5, rolling;
s6, cooling;
s7, traction;
s8, rolling;
s1, drying: putting the polycarbonate material into a vacuum drying oven at 120 ℃ for drying for 8h, and putting the polymethyl methacrylate material into a vacuum drying oven at 85 ℃ for drying for 4 h;
s2, preheating equipment: preheating a polycarbonate material extruder, a polymethyl methacrylate material extruder and a laminating device, wherein the temperature of a first zone of the polycarbonate material extruder is 245 ℃, the temperature of a second zone of the polycarbonate material extruder is 255 ℃, the temperature of a third zone of the polycarbonate material extruder is 265 ℃, the temperature of a fourth zone of the polycarbonate material extruder is 273 ℃, the temperature of a joint is 270 ℃, the temperature of the first zone of the polymethyl methacrylate material extruder is 220 ℃, the temperature of the second zone of the polycarbonate material extruder is 235 ℃, the temperature of the third zone of the polycarbonate material extruder is 250 ℃, the temperature of the fourth zone of the polycarbonate material extruder is 260 ℃, the temperature of the joint is 260 ℃, and the temperature of;
s3, extrusion: after the preset preheating temperature is reached and the extrusion is carried out for 15 minutes, starting the polymethyl methacrylate material extruder after the extrusion of the polycarbonate material extruder is stable, wherein the rotating speed of a screw of the polycarbonate material extruder is 20r/min, and the rotating speed of a screw of the polymethyl methacrylate material extruder is 21 r/min;
s4, stacking: injecting the extruder head extrusion materials of the polycarbonate extruder and the polymethyl methacrylate extruder into a laminating device through a junction station, and laminating in the laminating device;
s5, rolling: after the mixed materials are stacked, the mixed materials enter a calender to be calendered, and a composite film with the thickness of 125 mu m is prepared;
s6, cooling: the composite film enters a cooling device for cooling;
s7, traction: the composite film moves under the action of a traction frame, the rotating speed of an upper traction roller is 16.6r/min, the rotating speed of a middle traction roller is 16.6r/min, and the rotating speed of a lower traction roller is 16.6 r/min;
s8, rolling: the composite film is rolled under the action of a curling roll, and the rotating speed of the curling roll is 16.5 r/min.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages:
the invention improves the low phase difference polycarbonate and polymethyl methacrylate composite membrane and the preparation method thereof, and has the advantages of reasonable design, low material cost, simple acquisition channel, convenient production flow, easy realization and high production efficiency, thereby effectively solving the problems and the defects provided by the invention.
Detailed Description
The present invention will be described in further detail with reference to specific examples.
The invention relates to a low phase difference polycarbonate and polymethyl methacrylate composite film and a preparation method thereof, wherein the preparation method comprises the following steps: polycarbonate material, polymethyl methacrylate material;
specifically, the preparation method of the low phase difference polycarbonate and polymethyl methacrylate composite membrane comprises the following steps:
s1, drying;
s2, preheating equipment;
s3, extruding;
s4, stacking;
s5, rolling;
s6, cooling;
s7, traction;
s8, rolling;
s1, drying: putting the polycarbonate material into a vacuum drying oven at 120 ℃ for drying for 8h, and putting the polymethyl methacrylate material into a vacuum drying oven at 85 ℃ for drying for 4 h;
s2, preheating equipment: preheating a polycarbonate material extruder, a polymethyl methacrylate material extruder and a laminating device, wherein the temperature of a first zone of the polycarbonate material extruder is 245 ℃, the temperature of a second zone of the polycarbonate material extruder is 255 ℃, the temperature of a third zone of the polycarbonate material extruder is 265 ℃, the temperature of a fourth zone of the polycarbonate material extruder is 273 ℃, the temperature of a joint is 270 ℃, the temperature of the first zone of the polymethyl methacrylate material extruder is 220 ℃, the temperature of the second zone of the polycarbonate material extruder is 235 ℃, the temperature of the third zone of the polycarbonate material extruder is 250 ℃, the temperature of the fourth zone of the polycarbonate material extruder is 260 ℃, the temperature of the joint is 260 ℃, and the temperature of;
s3, extrusion: after the preset preheating temperature is reached and the extrusion is carried out for 15 minutes, starting the polymethyl methacrylate material extruder after the extrusion of the polycarbonate material extruder is stable, wherein the rotating speed of a screw of the polycarbonate material extruder is 20r/min, and the rotating speed of a screw of the polymethyl methacrylate material extruder is 21 r/min;
s4, stacking: injecting the extruder head extrusion materials of the polycarbonate extruder and the polymethyl methacrylate extruder into a laminating device through a junction station, and laminating in the laminating device;
s5, rolling: after the mixed materials are stacked, the mixed materials enter a calender to be calendered, and a composite film with the thickness of 125 mu m is prepared;
s6, cooling: the composite film enters a cooling device for cooling;
s7, traction: the composite film moves under the action of a traction frame, the rotating speed of an upper traction roller is 16.6r/min, the rotating speed of a middle traction roller is 16.6r/min, and the rotating speed of a lower traction roller is 16.6 r/min;
s8, rolling: the composite film is rolled under the action of a curling roll, and the rotating speed of the curling roll is 16.5 r/min.
The above is only a specific application example of the present invention, and the protection scope of the present invention is not limited in any way. All the technical solutions formed by equivalent transformation or equivalent replacement fall within the protection scope of the present invention.
Claims (2)
1. A low phase difference polycarbonate and polymethyl methacrylate composite film is characterized in that: the method comprises the following steps: polycarbonate material and polymethyl methacrylate material.
2. A method for preparing the low phase difference polycarbonate and polymethyl methacrylate composite film according to claim 1, which comprises the following steps: the preparation method of the low phase difference polycarbonate and polymethyl methacrylate composite film comprises the following steps:
s1, drying;
s2, preheating equipment;
s3, extruding;
s4, stacking;
s5, rolling;
s6, cooling;
s7, traction;
s8, rolling;
s1, drying: putting the polycarbonate material into a vacuum drying oven at 120 ℃ for drying for 8h, and putting the polymethyl methacrylate material into a vacuum drying oven at 85 ℃ for drying for 4 h;
s2, preheating equipment: preheating a polycarbonate material extruder, a polymethyl methacrylate material extruder and a laminating device, wherein the temperature of a first zone of the polycarbonate material extruder is 245 ℃, the temperature of a second zone of the polycarbonate material extruder is 255 ℃, the temperature of a third zone of the polycarbonate material extruder is 265 ℃, the temperature of a fourth zone of the polycarbonate material extruder is 273 ℃, the temperature of a joint is 270 ℃, the temperature of the first zone of the polymethyl methacrylate material extruder is 220 ℃, the temperature of the second zone of the polycarbonate material extruder is 235 ℃, the temperature of the third zone of the polycarbonate material extruder is 250 ℃, the temperature of the fourth zone of the polycarbonate material extruder is 260 ℃, the temperature of the joint is 260 ℃, and the temperature of;
s3, extrusion: after the preset preheating temperature is reached and the extrusion is carried out for 15 minutes, starting the polymethyl methacrylate material extruder after the extrusion of the polycarbonate material extruder is stable, wherein the rotating speed of a screw of the polycarbonate material extruder is 20r/min, and the rotating speed of a screw of the polymethyl methacrylate material extruder is 21 r/min;
s4, stacking: injecting the extruder head extrusion materials of the polycarbonate extruder and the polymethyl methacrylate extruder into a laminating device through a junction station, and laminating in the laminating device;
s5, rolling: after the mixed materials are stacked, the mixed materials enter a calender to be calendered, and a composite film with the thickness of 125 mu m is prepared;
s6, cooling: the composite film enters a cooling device for cooling;
s7, traction: the composite film moves under the action of a traction frame, the rotating speed of an upper traction roller is 16.6r/min, the rotating speed of a middle traction roller is 16.6r/min, and the rotating speed of a lower traction roller is 16.6 r/min;
s8, rolling: the composite film is rolled under the action of a curling roll, and the rotating speed of the curling roll is 16.5 r/min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011393115.3A CN112625418A (en) | 2020-12-03 | 2020-12-03 | Low-phase-difference polycarbonate and polymethyl methacrylate composite film and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011393115.3A CN112625418A (en) | 2020-12-03 | 2020-12-03 | Low-phase-difference polycarbonate and polymethyl methacrylate composite film and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112625418A true CN112625418A (en) | 2021-04-09 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011393115.3A Pending CN112625418A (en) | 2020-12-03 | 2020-12-03 | Low-phase-difference polycarbonate and polymethyl methacrylate composite film and preparation method thereof |
Country Status (1)
| Country | Link |
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| CN (1) | CN112625418A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022228398A1 (en) * | 2021-04-30 | 2022-11-03 | 河北科诺橡胶制品有限公司 | Production device for pvc composite film plate |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008074525A1 (en) * | 2006-12-18 | 2008-06-26 | Evonik Röhm Gmbh | Film composite |
| CN102850758A (en) * | 2012-09-21 | 2013-01-02 | 常熟市凯力达蜂窝包装材料有限公司 | Preparation method of flame retardant transparent polycarbonate/polymethyl methacrylate alloy material |
| CN104459834A (en) * | 2014-12-23 | 2015-03-25 | 四川东方绝缘材料股份有限公司 | Multilayer optical thin film and manufacturing method thereof |
| CN204586017U (en) * | 2014-12-16 | 2015-08-26 | 江西盛汇光学科技有限公司 | PMMA/PC double-layered compound film |
| CN110218408A (en) * | 2019-06-14 | 2019-09-10 | 杭州师范大学 | A kind of optically transparent polymethyl methacrylate/polycarbonate compound and preparation method thereof |
| CN111331983A (en) * | 2020-03-16 | 2020-06-26 | 苏州奥美材料科技有限公司 | Polymethyl methacrylate and polycarbonate composite board and preparation method thereof |
-
2020
- 2020-12-03 CN CN202011393115.3A patent/CN112625418A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2008074525A1 (en) * | 2006-12-18 | 2008-06-26 | Evonik Röhm Gmbh | Film composite |
| CN102850758A (en) * | 2012-09-21 | 2013-01-02 | 常熟市凯力达蜂窝包装材料有限公司 | Preparation method of flame retardant transparent polycarbonate/polymethyl methacrylate alloy material |
| CN204586017U (en) * | 2014-12-16 | 2015-08-26 | 江西盛汇光学科技有限公司 | PMMA/PC double-layered compound film |
| CN104459834A (en) * | 2014-12-23 | 2015-03-25 | 四川东方绝缘材料股份有限公司 | Multilayer optical thin film and manufacturing method thereof |
| CN110218408A (en) * | 2019-06-14 | 2019-09-10 | 杭州师范大学 | A kind of optically transparent polymethyl methacrylate/polycarbonate compound and preparation method thereof |
| CN111331983A (en) * | 2020-03-16 | 2020-06-26 | 苏州奥美材料科技有限公司 | Polymethyl methacrylate and polycarbonate composite board and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022228398A1 (en) * | 2021-04-30 | 2022-11-03 | 河北科诺橡胶制品有限公司 | Production device for pvc composite film plate |
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Application publication date: 20210409 |