CN114479372A - Polyester film for optical composite film and preparation method thereof - Google Patents
Polyester film for optical composite film and preparation method thereof Download PDFInfo
- Publication number
- CN114479372A CN114479372A CN202111600731.6A CN202111600731A CN114479372A CN 114479372 A CN114479372 A CN 114479372A CN 202111600731 A CN202111600731 A CN 202111600731A CN 114479372 A CN114479372 A CN 114479372A
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- China
- Prior art keywords
- parts
- ethylene
- film
- polyester film
- terephthalate
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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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- 229920006267 polyester film Polymers 0.000 title claims abstract description 30
- 239000002131 composite material Substances 0.000 title claims abstract description 28
- 230000003287 optical effect Effects 0.000 title claims abstract description 28
- 238000002360 preparation method Methods 0.000 title claims abstract description 11
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims abstract description 45
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 30
- XNGIFLGASWRNHJ-UHFFFAOYSA-N phthalic acid Chemical compound OC(=O)C1=CC=CC=C1C(O)=O XNGIFLGASWRNHJ-UHFFFAOYSA-N 0.000 claims abstract description 30
- LLLVZDVNHNWSDS-UHFFFAOYSA-N 4-methylidene-3,5-dioxabicyclo[5.2.2]undeca-1(9),7,10-triene-2,6-dione Chemical compound C1(C2=CC=C(C(=O)OC(=C)O1)C=C2)=O LLLVZDVNHNWSDS-UHFFFAOYSA-N 0.000 claims abstract description 15
- SFHBJXIEBWOOFA-UHFFFAOYSA-N 5-methyl-3,6-dioxabicyclo[6.2.2]dodeca-1(10),8,11-triene-2,7-dione Chemical compound O=C1OC(C)COC(=O)C2=CC=C1C=C2 SFHBJXIEBWOOFA-UHFFFAOYSA-N 0.000 claims abstract description 15
- PCXMISPZSFODLD-UHFFFAOYSA-N 6,9-dioxatricyclo[9.3.1.14,14]hexadeca-1(14),2,4(16),11(15),12-pentaene-5,10-dione Chemical compound C1=C(C=C2)C(=O)OCCOC(=O)C3=CC=C1C2=C3 PCXMISPZSFODLD-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000004640 Melamine resin Substances 0.000 claims abstract description 15
- 229920000877 Melamine resin Polymers 0.000 claims abstract description 15
- 239000004793 Polystyrene Substances 0.000 claims abstract description 15
- CQEYYJKEWSMYFG-UHFFFAOYSA-N butyl acrylate Chemical compound CCCCOC(=O)C=C CQEYYJKEWSMYFG-UHFFFAOYSA-N 0.000 claims abstract description 15
- 229920002223 polystyrene Polymers 0.000 claims abstract description 15
- 235000012239 silicon dioxide Nutrition 0.000 claims abstract description 15
- 239000000377 silicon dioxide Substances 0.000 claims abstract description 15
- 238000005266 casting Methods 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 11
- 238000002844 melting Methods 0.000 claims description 10
- 230000008018 melting Effects 0.000 claims description 10
- 238000002156 mixing Methods 0.000 claims description 10
- 229920001225 polyester resin Polymers 0.000 claims description 10
- 239000004645 polyester resin Substances 0.000 claims description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 10
- 238000001816 cooling Methods 0.000 claims description 5
- 238000007493 shaping process Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 claims 3
- 239000002994 raw material Substances 0.000 abstract description 3
- 239000002861 polymer material Substances 0.000 abstract description 2
- 239000010408 film Substances 0.000 description 37
- 230000009471 action Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000000126 substance Substances 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000012788 optical film Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 238000012958 reprocessing Methods 0.000 description 1
- 238000006467 substitution reaction 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2367/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
- C08J2367/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2425/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Derivatives of such polymers
- C08J2425/02—Homopolymers or copolymers of hydrocarbons
- C08J2425/04—Homopolymers or copolymers of styrene
- C08J2425/06—Polystyrene
-
- 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
- C08J2461/00—Characterised by the use of condensation polymers of aldehydes or ketones; Derivatives of such polymers
- C08J2461/20—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
- C08J2461/26—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with heterocyclic compounds
- C08J2461/28—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with heterocyclic compounds with melamine
-
- 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
- C08J2479/00—Characterised by the use of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen with or without oxygen, or carbon only, not provided for in groups C08J2461/00 - C08J2477/00
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
- Polarising Elements (AREA)
Abstract
The invention discloses a polyester film for an optical composite film and a preparation method thereof, wherein the polyester film comprises the following raw materials, by weight, 10-16 parts of ethylene terephthalate, 5-12 parts of propylene terephthalate, 6-11 parts of melamine resin, 4-8 parts of ethylene 2, 6-naphthalene dicarboxylate, 2-5 parts of silicon dioxide, 4-7 parts of crosslinked polystyrene, 5-9 parts of ethylene glycol, 1-4 parts of polycarbodiimide, 1.5-3 parts of butyl acrylate and 2-7 parts of phthalic acid. The invention belongs to the technical field of high polymer materials, and provides a polyester film for an optical composite film and a preparation method thereof.
Description
Technical Field
The invention belongs to the technical field of high polymer materials, and particularly relates to a polyester film for an optical composite film and a preparation method thereof.
Background
The optical composite film is composed of thin layered media, and transmits light beams through an interface, main optical film devices comprise a reflecting film, an antireflection film, a polarizing film, an interference filter, a spectroscope and the like, and the traditional optical composite film is provided with multiple layers, so that in the reprocessing process of the polyester film, oligomers are formed in the polyester film and migrate and precipitate to the surface of the film, and the service life of the optical composite film is reduced due to the fact that the polyester film for the optical composite film is not enough in various performances and the composite film shrinks or expands along with the lapse of time.
Disclosure of Invention
In view of the above-mentioned circumstances, an object of the present invention is to provide a polyester film for an optical composite film, which has excellent adhesion and high transparency, has good blocking resistance, is excellent in mechanical properties, has high toughness, is puncture-resistant, friction-resistant, high-temperature-resistant and low-temperature-resistant, and is a good barrier composite film substrate, and a method for producing the same.
The technical scheme adopted by the invention is as follows: the polyester film for the optical composite film comprises, by weight, 10-16 parts of ethylene terephthalate, 5-12 parts of propylene terephthalate, 6-11 parts of melamine resin, 4-8 parts of ethylene 2, 6-naphthalene dicarboxylate, 2-5 parts of silicon dioxide, 4-7 parts of crosslinked polystyrene, 5-9 parts of ethylene glycol, 1-4 parts of polycarbodiimide, 1.5-3 parts of butyl acrylate and 2-7 parts of phthalic acid.
The preferable weight ratio of the polyester film for the chemical composite film provided by the invention is as follows: 12-14 parts of ethylene terephthalate, 8-10 parts of propylene terephthalate, 7-9 parts of melamine resin, 5-7 parts of ethylene 2, 6-naphthalene dicarboxylate, 3-4 parts of silicon dioxide, 5-6 parts of cross-linked polystyrene, 6-8 parts of ethylene glycol, 2-3 parts of polycarbodiimide, 2-2.5 parts of butyl acrylate and 3-6 parts of phthalic acid.
The optimal weight ratio of the polyester film for the chemical composite film provided by the invention is as follows: 13 parts of ethylene terephthalate, 9 parts of propylene terephthalate, 8 parts of melamine resin, 6 parts of ethylene 2, 6-naphthalene dicarboxylate, 3.5 parts of silicon dioxide, 5.5 parts of crosslinked polystyrene, 7 parts of ethylene glycol, 2.5 parts of polycarbodiimide, 2.2 parts of butyl acrylate and 5 parts of phthalic acid.
The invention provides a preparation method of a polyester film for an optical composite film, which comprises the following steps:
the method comprises the following steps: mixing and polycondensing ethylene terephthalate, propylene terephthalate, melamine resin, ethylene 2, 6-naphthalene dicarboxylate and ethylene glycol to obtain water-based polyester resin;
step two: introducing the water-based polyester resin into an extruder, and adding phthalic acid for melting and mixing;
step three: continuously adding crosslinked polystyrene, butyl acrylate, silicon dioxide and polycarbodiimide, and melting and extruding the base film;
step four: cooling the base film to form a casting thick sheet;
step five: and preheating the casting thick sheet, stretching the casting thick sheet to form a film, and performing high-temperature shaping to obtain the optical polyester film.
After the technical scheme is adopted, the invention has the following beneficial effects: the polyester film for the optical composite film and the preparation method thereof have excellent adhesiveness, high transparency and good anti-blocking property, and are a good permeability-resistant composite film substrate with excellent mechanical property, high toughness, puncture resistance, friction resistance, high temperature resistance and low temperature resistance.
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.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Example 1: the polyester film for the optical composite film comprises the following raw materials, by weight, 10 parts of ethylene terephthalate, 5 parts of propylene terephthalate, 6 parts of melamine resin, 4 parts of ethylene 2, 6-naphthalene dicarboxylate, 2 parts of silicon dioxide, 4 parts of crosslinked polystyrene, 5 parts of ethylene glycol, 1 part of polycarbodiimide, 1.5 parts of butyl acrylate and 2 parts of phthalic acid.
The invention provides a preparation method of a polyester film for an optical composite film, which comprises the following steps:
the method comprises the following steps: mixing and polycondensing ethylene terephthalate, propylene terephthalate, melamine resin, ethylene 2, 6-naphthalene dicarboxylate and ethylene glycol to obtain water-based polyester resin;
step two: introducing the water-based polyester resin into an extruder, and adding phthalic acid for melting and mixing;
step three: continuously adding crosslinked polystyrene, butyl acrylate, silicon dioxide and polycarbodiimide, and melting and extruding the base film;
step four: cooling the base film to form a casting thick sheet;
step five: and preheating the casting thick sheet, stretching the casting thick sheet to form a film, and performing high-temperature shaping to obtain the optical polyester film.
Example 2: a polyester film for an optical composite film comprises, by weight, 14 parts of ethylene terephthalate, 10 parts of propylene terephthalate, 8 parts of melamine resin, 6 parts of ethylene 2, 6-naphthalene dicarboxylate, 4 parts of silicon dioxide, 6 parts of crosslinked polystyrene, 7 parts of ethylene glycol, 2.5 parts of polycarbodiimide, 2.5 parts of butyl acrylate and 5 parts of phthalic acid.
The invention provides a preparation method of a polyester film for an optical composite film, which comprises the following steps:
the method comprises the following steps: mixing and polycondensing ethylene terephthalate, propylene terephthalate, melamine resin, ethylene 2, 6-naphthalene dicarboxylate and ethylene glycol to obtain water-based polyester resin;
step two: introducing the water-based polyester resin into an extruder, and adding phthalic acid for melting and mixing;
step three: continuously adding crosslinked polystyrene, butyl acrylate, silicon dioxide and polycarbodiimide, and melting and extruding the base film;
step four: cooling the base film to form a casting thick sheet;
step five: and preheating the casting thick sheet, stretching the casting thick sheet to form a film, and performing high-temperature shaping to obtain the optical polyester film.
Example 3: the polyester film for the optical composite film comprises the following raw materials, by weight, 10-16 parts of ethylene terephthalate, 12 parts of propylene terephthalate, 11 parts of melamine resin, 8 parts of ethylene 2, 6-naphthalene dicarboxylate, 5 parts of silicon dioxide, 7 parts of crosslinked polystyrene, 9 parts of ethylene glycol, 4 parts of polycarbodiimide, 3 parts of butyl acrylate and 7 parts of phthalic acid.
The invention provides a preparation method of a polyester film for an optical composite film, which comprises the following steps:
the method comprises the following steps: mixing and polycondensing ethylene terephthalate, propylene terephthalate, melamine resin, ethylene 2, 6-naphthalene dicarboxylate and ethylene glycol to obtain water-based polyester resin;
step two: introducing the water-based polyester resin into an extruder, and adding phthalic acid for melting and mixing;
step three: continuously adding crosslinked polystyrene, butyl acrylate, silicon dioxide and polycarbodiimide, and melting and extruding the base film;
step four: cooling the base film to form a casting thick sheet;
step five: and preheating the casting thick sheet, stretching the casting thick sheet to form a film, and performing high-temperature shaping to obtain the optical polyester film.
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. In summary, those skilled in the art should appreciate that they can readily use the disclosed conception and specific embodiments as a basis for designing or modifying other structures for carrying out the same purposes of the present invention without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (4)
1. A polyester film for an optical composite film, characterized in that: the material comprises, by weight, 10-16 parts of ethylene terephthalate, 5-12 parts of propylene terephthalate, 6-11 parts of melamine resin, 4-8 parts of ethylene 2, 6-naphthalene dicarboxylate, 2-5 parts of silicon dioxide, 4-7 parts of crosslinked polystyrene, 5-9 parts of ethylene glycol, 1-4 parts of polycarbodiimide, 1.5-3 parts of butyl acrylate and 2-7 parts of phthalic acid.
2. The polyester film for an optical composite film according to claim 1, wherein: the material comprises, by weight, 12-14 parts of ethylene terephthalate, 8-10 parts of propylene terephthalate, 7-9 parts of melamine resin, 5-7 parts of ethylene 2, 6-naphthalene dicarboxylate, 3-4 parts of silicon dioxide, 5-6 parts of crosslinked polystyrene, 6-8 parts of ethylene glycol, 2-3 parts of polycarbodiimide, 2-2.5 parts of butyl acrylate and 3-6 parts of phthalic acid.
3. The polyester film for an optical composite film according to claim 1, wherein: the material comprises, by weight, 13 parts of ethylene terephthalate, 9 parts of propylene terephthalate, 8 parts of melamine resin, 6 parts of ethylene 2, 6-naphthalene dicarboxylate, 3.5 parts of silicon dioxide, 5.5 parts of cross-linked polystyrene, 7 parts of ethylene glycol, 2.5 parts of polycarbodiimide, 2.2 parts of butyl acrylate and 5 parts of phthalic acid.
4. A preparation method of a polyester film for an optical composite film is characterized by comprising the following steps: the method comprises the following steps:
the method comprises the following steps: mixing and polycondensing ethylene terephthalate, propylene terephthalate, melamine resin, ethylene 2, 6-naphthalene dicarboxylate and ethylene glycol to obtain water-based polyester resin;
step two: introducing the water-based polyester resin into an extruder, and adding phthalic acid for melting and mixing;
step three: continuously adding crosslinked polystyrene, butyl acrylate, silicon dioxide and polycarbodiimide, and melting and extruding the base film;
step four: cooling the base film to form a casting thick sheet;
step five: and preheating the casting thick sheet, stretching the casting thick sheet to form a film, and performing high-temperature shaping to obtain the optical polyester film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111600731.6A CN114479372A (en) | 2021-12-24 | 2021-12-24 | Polyester film for optical composite film and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111600731.6A CN114479372A (en) | 2021-12-24 | 2021-12-24 | Polyester film for optical composite film and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114479372A true CN114479372A (en) | 2022-05-13 |
Family
ID=81495691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111600731.6A Pending CN114479372A (en) | 2021-12-24 | 2021-12-24 | Polyester film for optical composite film and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114479372A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101977768A (en) * | 2008-03-22 | 2011-02-16 | 三菱树脂株式会社 | Optical laminated polyester film |
| CN103627150A (en) * | 2013-11-21 | 2014-03-12 | 浙江南洋科技股份有限公司 | Preparation method of polyether material, polyether film and preparation method thereof |
| CN105778067A (en) * | 2016-03-26 | 2016-07-20 | 佛山佛塑科技集团股份有限公司 | Internal addition synthetic composite material of infrared barrier polyester chip and preparation method thereof |
| CN108034065A (en) * | 2018-01-05 | 2018-05-15 | 合肥乐凯科技产业有限公司 | A kind of optical polyester film and preparation method thereof |
| CN109957094A (en) * | 2019-03-27 | 2019-07-02 | 佛山杜邦鸿基薄膜有限公司 | A kind of low haze polyester and its film and application |
| CN111531998A (en) * | 2020-04-30 | 2020-08-14 | 王洛 | Optical polyester film |
-
2021
- 2021-12-24 CN CN202111600731.6A patent/CN114479372A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101977768A (en) * | 2008-03-22 | 2011-02-16 | 三菱树脂株式会社 | Optical laminated polyester film |
| CN103627150A (en) * | 2013-11-21 | 2014-03-12 | 浙江南洋科技股份有限公司 | Preparation method of polyether material, polyether film and preparation method thereof |
| CN105778067A (en) * | 2016-03-26 | 2016-07-20 | 佛山佛塑科技集团股份有限公司 | Internal addition synthetic composite material of infrared barrier polyester chip and preparation method thereof |
| CN108034065A (en) * | 2018-01-05 | 2018-05-15 | 合肥乐凯科技产业有限公司 | A kind of optical polyester film and preparation method thereof |
| CN109957094A (en) * | 2019-03-27 | 2019-07-02 | 佛山杜邦鸿基薄膜有限公司 | A kind of low haze polyester and its film and application |
| CN111531998A (en) * | 2020-04-30 | 2020-08-14 | 王洛 | Optical polyester film |
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Application publication date: 20220513 |