CN114479373A - Polyester film for optical prism film and preparation method thereof - Google Patents
Polyester film for optical prism film and preparation method thereof Download PDFInfo
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- CN114479373A CN114479373A CN202111606905.XA CN202111606905A CN114479373A CN 114479373 A CN114479373 A CN 114479373A CN 202111606905 A CN202111606905 A CN 202111606905A CN 114479373 A CN114479373 A CN 114479373A
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- acid
- naphthalenedicarboxylic acid
- polyester film
- optical prism
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- 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
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- 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
- 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
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- 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)
- Manufacture Of Macromolecular Shaped Articles (AREA)
Abstract
The invention discloses a polyester film for an optical prism film and a preparation method thereof, wherein the polyester film comprises the following raw materials, by weight, 5-14 parts of terephthalic acid, 3-8 parts of ethylene glycol, 1.5-4 parts of phthalic acid, 5-12 parts of 1, 4-naphthalenedicarboxylic acid, 4-8 parts of 1, 5-naphthalenedicarboxylic acid, 3-5.5 parts of 2, 6-naphthalenedicarboxylic acid, 4-10 parts of 2-carboxyethylphenylphosphinic acid and 1.4-2.5 parts of polycarbodiimide. The invention belongs to the technical field of high polymer materials, and provides a polyester film for an optical prism film, which has the advantages of excellent mechanical properties, high rigidity, hardness and toughness, puncture resistance, friction resistance, low temperature resistance, good flame retardant property and capability of avoiding the conditions of fracture, breakage and the like caused by the reduction of the mechanical properties in the processing process, 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 prism film and a preparation method thereof.
Background
The optical prism is a transparent object enclosed by planes which are intersected with each other in pairs but are not parallel to each other and used for splitting light or dispersing light beams, and is a polyhedron made of transparent materials such as glass, crystal and the like, the polyester film is widely applied to optical instruments, is a high molecular plastic film, is usually colorless, transparent and glossy, has excellent mechanical properties, high rigidity, hardness and toughness, puncture resistance, friction resistance, high temperature resistance and low temperature resistance, good chemical resistance, oil resistance, air tightness and aroma retention, when the polyester film is used as an optical prism film, the polyester film needs to have certain flame retardant property besides the property of the polyester film, the existing proportioning mode of the polyester film is easy to cause the conditions of processing fracture, damage and the like due to low mechanical strength in the processing process, therefore, we propose a polyester film for optical prism film and a method for preparing the same to solve the above problems.
Disclosure of Invention
In view of the above situation, in order to overcome the defects of the prior art, the present invention aims to provide a polyester film for an optical prism film and a preparation method thereof, which have good flame retardant properties while maintaining and ensuring excellent mechanical properties, high rigidity, hardness and toughness, puncture resistance, friction resistance and low temperature resistance, and can avoid the occurrence of fracture and breakage caused by mechanical property reduction in the processing process.
The technical scheme adopted by the invention is as follows: a polyester film for an optical prism film comprises the following raw materials in parts by weight: 5-14 parts of terephthalic acid, 3-8 parts of ethylene glycol, 1.5-4 parts of phthalic acid, 5-12 parts of 1, 4-naphthalenedicarboxylic acid, 4-8 parts of 1, 5-naphthalenedicarboxylic acid, 3-5.5 parts of 2, 6-naphthalenedicarboxylic acid, 4-10 parts of 2-carboxyethyl phenyl hypophosphorous acid and 1.4-2.5 parts of polycarbodiimide.
The preferable weight ratio of the polyester film for the optical prism film provided by the invention is as follows: 7-10 parts of terephthalic acid, 4-6 parts of ethylene glycol, 2.5-3.5 parts of phthalic acid, 7-10 parts of 1, 4-naphthalenedicarboxylic acid, 5-7 parts of 1, 5-naphthalenedicarboxylic acid, 4-5 parts of 2, 6-naphthalenedicarboxylic acid, 6-8 parts of 2-carboxyethyl phenyl hypophosphorous acid and 1.8-2.2 parts of polycarbodiimide.
The polyester film for the optical prism film provided by the invention has the following optimal weight ratio: 8 parts of terephthalic acid, 5 parts of ethylene glycol, 3 parts of phthalic acid, 8 parts of 1, 4-naphthalenedicarboxylic acid, 6 parts of 1, 5-naphthalenedicarboxylic acid, 4.5 parts of 2, 6-naphthalenedicarboxylic acid, 7 parts of 2-carboxyethylphenylphosphinic acid and 2 parts of polycarbodiimide.
The invention provides a preparation method of a polyester film for an optical prism film, which comprises the following steps:
the method comprises the following steps: mixing terephthalic acid and phthalic acid to obtain benzene-containing dibasic acid;
step two: mixing 1, 4-naphthalenedicarboxylic acid, 1, 5-naphthalenedicarboxylic acid and 2, 6-naphthalenedicarboxylic acid to obtain a naphthalenedicarboxylic acid;
step three: mixing benzene-containing dibasic acid and naphthalene-containing dibasic acid, adding 2-carboxyethyl phenyl hypophosphorous acid and ethylene glycol, and performing melt polycondensation to form water-based polyester resin;
step four: drying the water-based polyester tree at the temperature of 70-80 ℃;
step five: and (2) introducing the water-based polyester resin into an extruder, adding polycarbodiimide, and carrying out melt extrusion, stretching and heat setting to obtain the polyester film.
After the technical scheme is adopted, the invention has the following beneficial effects: the polyester film for the optical prism film and the preparation method thereof provided by the invention have good flame retardant property while keeping and ensuring excellent mechanical property, high rigidity, hardness and toughness, puncture resistance, friction resistance and low temperature resistance, and can avoid the occurrence of conditions of fracture, breakage and the like caused by reduction of mechanical property in the processing process.
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.
Embodiment 1 a polyester film for an optical prism film, comprising the following raw materials in parts by weight: 5 parts of terephthalic acid, 3 parts of ethylene glycol, 1.5 parts of phthalic acid, 5 parts of 1, 4-naphthalenedicarboxylic acid, 4 parts of 1, 5-naphthalenedicarboxylic acid, 3 parts of 2, 6-naphthalenedicarboxylic acid, 4 parts of 2-carboxyethylphenylphosphinic acid and 1.4 parts of polycarbodiimide.
The invention relates to a preparation method of a polyester film for an optical prism film, which comprises the following steps:
the method comprises the following steps: mixing terephthalic acid and phthalic acid to obtain benzene-containing dibasic acid;
step two: mixing 1, 4-naphthalenedicarboxylic acid, 1, 5-naphthalenedicarboxylic acid and 2, 6-naphthalenedicarboxylic acid to obtain a naphthalenedicarboxylic acid;
step three: mixing benzene-containing dibasic acid and naphthalene-containing dibasic acid, adding 2-carboxyethyl phenyl hypophosphorous acid and ethylene glycol, and performing melt polycondensation to form water-based polyester resin;
step four: drying the water-based polyester tree at the temperature of 70-80 ℃;
step five: and (2) introducing the water-based polyester resin into an extruder, adding polycarbodiimide, and carrying out melt extrusion, stretching and heat setting to obtain the polyester film.
Embodiment 2 a polyester film for an optical prism film, comprising the following raw materials in parts by weight: 8 parts of terephthalic acid, 5 parts of ethylene glycol, 3 parts of phthalic acid, 8 parts of 1, 4-naphthalenedicarboxylic acid, 6 parts of 1, 5-naphthalenedicarboxylic acid, 4 parts of 2, 6-naphthalenedicarboxylic acid, 6 parts of 2-carboxyethylphenylphosphinic acid and 2 parts of polycarbodiimide.
The invention relates to a preparation method of a polyester film for an optical prism film, which comprises the following steps:
the method comprises the following steps: mixing terephthalic acid and phthalic acid to obtain benzene-containing dibasic acid;
step two: mixing 1, 4-naphthalenedicarboxylic acid, 1, 5-naphthalenedicarboxylic acid and 2, 6-naphthalenedicarboxylic acid to obtain a naphthalenedicarboxylic acid;
step three: mixing benzene-containing dibasic acid and naphthalene-containing dibasic acid, adding 2-carboxyethyl phenyl hypophosphorous acid and ethylene glycol, and performing melt polycondensation to form water-based polyester resin;
step four: drying the water-based polyester tree at the temperature of 70-80 ℃;
step five: and (2) introducing the water-based polyester resin into an extruder, adding polycarbodiimide, and carrying out melt extrusion, stretching and heat setting to obtain the polyester film.
Embodiment 3 a polyester film for an optical prism film, comprising the following raw materials in parts by weight: 14 parts of terephthalic acid, 8 parts of ethylene glycol, 4 parts of phthalic acid, 12 parts of 1, 4-naphthalenedicarboxylic acid, 8 parts of 1, 5-naphthalenedicarboxylic acid, 5.5 parts of 2, 6-naphthalenedicarboxylic acid, 10 parts of 2-carboxyethylphenylphosphinic acid and 2.5 parts of polycarbodiimide.
The invention relates to a preparation method of a polyester film for an optical prism film, which comprises the following steps:
the method comprises the following steps: mixing terephthalic acid and phthalic acid to obtain benzene-containing dibasic acid;
step two: mixing 1, 4-naphthalenedicarboxylic acid, 1, 5-naphthalenedicarboxylic acid and 2, 6-naphthalenedicarboxylic acid to obtain a naphthalenedicarboxylic acid;
step three: mixing benzene-containing dibasic acid and naphthalene-containing dibasic acid, adding 2-carboxyethyl phenyl hypophosphorous acid and ethylene glycol, and performing melt polycondensation to form water-based polyester resin;
step four: drying the water-based polyester tree at the temperature of 70-80 ℃;
step five: and (2) introducing the water-based polyester resin into an extruder, adding polycarbodiimide, and carrying out melt extrusion, stretching and heat setting to obtain the 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 prism film, characterized in that: the feed comprises the following raw materials in parts by weight: 5-14 parts of terephthalic acid, 3-8 parts of ethylene glycol, 1.5-4 parts of phthalic acid, 5-12 parts of 1, 4-naphthalenedicarboxylic acid, 4-8 parts of 1, 5-naphthalenedicarboxylic acid, 3-5.5 parts of 2, 6-naphthalenedicarboxylic acid, 4-10 parts of 2-carboxyethyl phenyl hypophosphorous acid and 1.4-2.5 parts of polycarbodiimide.
2. The polyester film for an optical prism film according to claim 1, wherein: the feed comprises the following raw materials in parts by weight: 7-10 parts of terephthalic acid, 4-6 parts of ethylene glycol, 2.5-3.5 parts of phthalic acid, 7-10 parts of 1, 4-naphthalenedicarboxylic acid, 5-7 parts of 1, 5-naphthalenedicarboxylic acid, 4-5 parts of 2, 6-naphthalenedicarboxylic acid, 6-8 parts of 2-carboxyethyl phenyl hypophosphorous acid and 1.8-2.2 parts of polycarbodiimide.
3. The polyester film for an optical prism film according to claim 1, wherein: the feed comprises the following raw materials in parts by weight: 8 parts of terephthalic acid, 5 parts of ethylene glycol, 3 parts of phthalic acid, 8 parts of 1, 4-naphthalenedicarboxylic acid, 6 parts of 1, 5-naphthalenedicarboxylic acid, 4.5 parts of 2, 6-naphthalenedicarboxylic acid, 7 parts of 2-carboxyethylphenylphosphinic acid and 2 parts of polycarbodiimide.
4. A method for preparing a polyester film for an optical prism film is characterized by comprising the following steps: the method comprises the following steps:
the method comprises the following steps: mixing terephthalic acid and phthalic acid to obtain benzene-containing dibasic acid;
step two: mixing 1, 4-naphthalene dicarboxylic acid, 1, 5-naphthalene dicarboxylic acid and 2, 6-naphthalene dicarboxylic acid to obtain naphthalene-containing dibasic acid;
step three: mixing benzene-containing dibasic acid and naphthalene-containing dibasic acid, adding 2-carboxyethyl phenyl hypophosphorous acid and ethylene glycol, and performing melt polycondensation to form water-based polyester resin;
step four: drying the water-based polyester tree at the temperature of 70-80 ℃;
step five: and (2) introducing the water-based polyester resin into an extruder, adding polycarbodiimide, and carrying out melt extrusion, stretching and heat setting to obtain the polyester film.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111606905.XA CN114479373A (en) | 2021-12-27 | 2021-12-27 | Polyester film for optical prism film and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111606905.XA CN114479373A (en) | 2021-12-27 | 2021-12-27 | Polyester film for optical prism film and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114479373A true CN114479373A (en) | 2022-05-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111606905.XA Pending CN114479373A (en) | 2021-12-27 | 2021-12-27 | Polyester film for optical prism film and preparation method thereof |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101643574A (en) * | 2009-09-04 | 2010-02-10 | 江苏裕兴薄膜科技股份有限公司 | Transparent flame-retarding polyester film and preparation method thereof |
| 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 |
| CN104497290A (en) * | 2014-11-13 | 2015-04-08 | 哈尔滨工业大学无锡新材料研究院 | Optical fluorine-containing copolyester, optical film and production method thereof |
-
2021
- 2021-12-27 CN CN202111606905.XA patent/CN114479373A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101643574A (en) * | 2009-09-04 | 2010-02-10 | 江苏裕兴薄膜科技股份有限公司 | Transparent flame-retarding polyester film and preparation method thereof |
| 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 |
| CN104497290A (en) * | 2014-11-13 | 2015-04-08 | 哈尔滨工业大学无锡新材料研究院 | Optical fluorine-containing copolyester, optical film and production method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 周松亮: "《不饱和聚酯树脂——生产及应用》", 中国纺织出版社 * |
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