CN108239376A - A kind of temperature-resistanpolyester polyester film and preparation method thereof - Google Patents
A kind of temperature-resistanpolyester polyester film and preparation method thereof Download PDFInfo
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- CN108239376A CN108239376A CN201810094643.5A CN201810094643A CN108239376A CN 108239376 A CN108239376 A CN 108239376A CN 201810094643 A CN201810094643 A CN 201810094643A CN 108239376 A CN108239376 A CN 108239376A
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- temperature
- polyester film
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- resistanpolyester
- antioxidant
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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
-
- 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
- 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
- C08J2433/02—Homopolymers or copolymers of acids; Metal or ammonium salts thereof
-
- 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
- C08J2467/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
- C08J2467/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds
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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)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The present invention relates to a kind of temperature-resistanpolyester polyester films, contain polyethylene terephthalate, polybutylene terephthalate, glass fibre, antioxidant, toughener, antistatic agent, light stabilizer and dispersant, it is characterised in that the temperature-resistanpolyester polyester film also contains Sodium Polyacrylate.Polyester film provided by the invention is added to the Sodium Polyacrylate with network molecular structure, Sodium Polyacrylate with network molecular structure has good moisture absorption and moisture-keeping function, so as to reduce the temperature of subenvironment around polyester film, increase humidity, the heat-resisting quantity of polyester film is improved, extends the use scope of polyester film.The price of Sodium Polyacrylate is less expensive simultaneously, is conducive to save production cost.Simultaneously using it is interior plus method, polyacrylate is combined even closer with polyester base material, and effect performance is more preferably.
Description
Technical field
The present invention relates to polyester film fields more particularly to a kind of temperature-resistanpolyester polyester film and preparation method thereof.
Background technology
Polyester film（PET）It is a kind of more comprehensive material of performance ratio using polyethylene terephthalate as primary raw material.
Its transparency is good, glossiness is high, air-tightness is good.Compared to general film, polyester film has more excellent mechanical performance.Polyester
Film also have excellent electrical insulation capability, weak acid resistant and oil resistivity, while it is also nontoxic, chemical proof stability is good,
The advantages such as water absorption rate is low.Polyester film is when having many advantages, such as by as varieties of food items, drug, nontoxic sterile packing timber
Material；Textile, precision instrument, electric elements high-grade packaging material；Audiotape, video-tape, cinefilm, computer format floppy,
The base material of metal coating and photographic film etc., is also applied to electrical insulating material, capacitor films, flexible printed circuit board and film
Electronic fields and the machinery fields such as switch.But polyester temperature tolerance is poor.In the case where operating temperature is higher, polyester film meeting
There is the phenomenon that mechanical properties decrease, overall shrinkage, so as to affect range and the safety that it is used.Thus provide one kind
High temperature resistance is good, cost-effective polyester film and preparation method thereof is problem to be solved by this invention.
Invention content
The present invention overcomes the deficiencies in the prior art, provide the polyester film that a kind of high temperature resistance is good, cost-effective
And preparation method thereof.
In order to achieve the above objectives, the technical solution adopted by the present invention is：A kind of temperature-resistanpolyester polyester film is provided, contains poly- pair
Polyethylene terephthalate, polybutylene terephthalate, glass fibre, antioxidant, toughener, antistatic agent, light stabilizer
And dispersant, it is characterised in that the temperature-resistanpolyester polyester film also contains Sodium Polyacrylate.
As a preferred embodiment, the temperature-resistanpolyester polyester film composition and content（Weight percent）For：Poly- terephthaldehyde
Sour second diester accounts for 62-80%, polybutylene terephthalate accounts for 0-27%, Sodium Polyacrylate accounts for 3-20%, glass fibre accounts for 0-
3.5%th, antioxidant accounts for 0.5-2%, toughener accounts for 0.5-1.6%, antistatic agent accounts for 0-1%, light stabilizer accounts for 0.25-2%, dispersion
Agent accounts for 0.25-2%.
As a kind of more preferable scheme, the content of the Sodium Polyacrylate（Weight percent）For 4-6%.
As a kind of more preferable scheme, the Sodium Polyacrylate has network molecular structure.
As a preferred embodiment, the antioxidant is antioxidant 1010, antioxidant 1076, antioxidant 168
One or more.
As a preferred embodiment, the antistatic agent is trihydroxyethyl methyl quaternary ammonium methyl sulfate or octadecyl two
One kind of methyl quaternary ammonium nitrate；The light stabilizer is one kind of benzotriazole, benzophenone or salicylate.
As a preferred embodiment, the dispersant is MF dispersants；The toughener is copolymerized for ethene-vinyl acetate
Object.
The present invention also provides the preparation methods of above-mentioned temperature-resistanpolyester polyester film, which is characterized in that includes the following steps：
（1）Weigh polyester resin master batch, glass fibre, antioxidant, toughener, antistatic agent, light stabilizer, dispersant and
Sodium Polyacrylate is placed in container and is uniformly mixed, obtains mixed raw material；
（2）By mixed raw material heat drying；
（3）It is squeezed out after drying by melting extrusion equipment；
（4）Cooling, cooling velocity are controlled in 55-95 DEG C/min；
（5）After cooling polyester film is obtained by longitudinal stretching, cross directional stretch and sizing.
As a preferred embodiment, temperature-resistanpolyester polyester film longitudinal drawing temperature control is at 70-90 DEG C, cross directional stretch temperature
Degree control is at 115-135 DEG C.
As a kind of more preferable scheme, the mixed raw material incorporation time is 2-6h.
The advantageous effects of the present invention are：Provide a kind of high temperature resistance is good, cost-effective polyester film and
Preparation method.Polyester film provided by the invention is added to the Sodium Polyacrylate with network molecular structure, with network point
The Sodium Polyacrylate of minor structure has good moisture absorption and moisture-keeping function, so as to reduce the temperature of subenvironment around polyester film,
Humidity is increased, improves the heat-resisting quantity of polyester film, extends the use scope of polyester film.The price of Sodium Polyacrylate
It is less expensive, be conducive to save production cost.Simultaneously using the interior method added, polyacrylate is combined with polyester base material more to be stepped up
Close, effect plays more preferable.
Specific embodiment
With reference to specific embodiment, the invention will be further described.Following embodiment is only used for clearly illustrating
Technical scheme of the present invention, and be not intended to limit the protection scope of the present invention and limit the scope of the invention.
Embodiment 1
The present invention provides a kind of temperature-resistanpolyester polyester film, the composition of film is as follows（Weight percent）：
Polyethylene terephthalate, which accounts for 69%, polybutylene terephthalate and accounts for 20%, Sodium Polyacrylate and account for 6%, glass fibre, to be accounted for
1.5%th, antioxidant 1010, which accounts for 1%, ethylene-vinyl acetate copolymer and accounts for 0.5%, trihydroxyethyl methyl quaternary ammonium methyl sulfate, accounts for
0.4%th, benzophenone accounts for 0.6%, MF dispersants and accounts for 1%, and wherein Sodium Polyacrylate has network molecular structure, is conducive to moisture absorption simultaneously
Wrap up moisture.
Polyester film is prepared as follows：It will be uniformly mixed after raw material weighing, incorporation time 4h, heating is dry
It is dry；It is squeezed out, cooled down by melting extrusion equipment after drying, cooling velocity is controlled in 55 DEG C/min；After cooling, longitudinal drawing is carried out
It stretches, draft temperature is 90 DEG C；Cross directional stretch, draft temperature are 135 DEG C, and finally sizing obtains polyester film.
Embodiment 2
The present invention provides a kind of temperature-resistanpolyester polyester film, the composition of film is as follows（Weight percent）：
Polyethylene terephthalate, which accounts for 78%, polybutylene terephthalate and accounts for 14%, Sodium Polyacrylate and account for 3%, glass fibre, to be accounted for
2%th, antioxidant 1076, which accounts for 0.5%, ethylene-vinyl acetate copolymer and accounts for 1%, salicylate and account for 1%, MF dispersants, accounts for 0.5%,
Middle Sodium Polyacrylate has network molecular structure, is conducive to moisture absorption and wraps up moisture.
Polyester film is prepared as follows：It will be uniformly mixed after raw material weighing, incorporation time 5h, heating is dry
It is dry；It is squeezed out, cooled down by melting extrusion equipment after drying, cooling velocity is controlled in 85 DEG C/min；After cooling, longitudinal drawing is carried out
It stretches, draft temperature is 85 DEG C；Cross directional stretch, draft temperature are 130 DEG C, and finally sizing obtains polyester film.
Embodiment 3
The present invention provides a kind of temperature-resistanpolyester polyester film, the composition of film is as follows（Weight percent）：
Polyethylene terephthalate, which accounts for 62%, polybutylene terephthalate and accounts for 27%, Sodium Polyacrylate and account for 4%, glass fibre, to be accounted for
3.5%th, antioxidant 1010, which accounts for 1%, antioxidant 168 and accounts for 1%, ethylene-vinyl acetate copolymer, accounts for 0.75%, hexadecyldimethylamine
Base quaternary ammonium nitrate, which accounts for 0.25%, benzotriazole and accounts for 0.25%, MF dispersants, accounts for 0.25%, and wherein Sodium Polyacrylate has netted point
Minor structure is conducive to moisture absorption and wraps up moisture.
Polyester film is prepared as follows：It will be uniformly mixed after raw material weighing, incorporation time 2h, heating is dry
It is dry；It is squeezed out, cooled down by melting extrusion equipment after drying, cooling velocity is controlled in 95 DEG C/min；After cooling, longitudinal drawing is carried out
It stretches, draft temperature is 70 DEG C；Cross directional stretch, draft temperature are 115 DEG C, and finally sizing obtains polyester film.
Embodiment 4
The present invention provides a kind of temperature-resistanpolyester polyester film, the composition of film is as follows（Weight percent）：
Polyethylene terephthalate account for 80%, Sodium Polyacrylate account for 12%, glass fibre account for 1%, antioxidant 1010 account for 0.8%,
Ethylene-vinyl acetate copolymer accounts for 1.6%, octadecyldimethyl quaternary ammonium nitrate and accounts for 0.6%, and benzophenone accounts for 2%, MF dispersions
Agent accounts for 2%, and wherein Sodium Polyacrylate has network molecular structure, is conducive to moisture absorption and wraps up moisture.
Polyester film is prepared as follows：It will be uniformly mixed after raw material weighing, incorporation time 6h, heating is dry
It is dry；It is squeezed out, cooled down by melting extrusion equipment after drying, cooling velocity is controlled in 65 DEG C/min；After cooling, longitudinal drawing is carried out
It stretches, draft temperature is 75 DEG C；Cross directional stretch, draft temperature are 120 DEG C, and finally sizing obtains polyester film.
Embodiment 5
The present invention provides a kind of temperature-resistanpolyester polyester film, the composition of film is as follows（Weight percent）：
Polyethylene terephthalate, which accounts for 65%, polybutylene terephthalate and accounts for 10%, Sodium Polyacrylate, accounts for 20%, antioxidant
1076, which account for 1.5%, ethylene-vinyl acetate copolymer, accounts for 1%, trihydroxyethyl methyl quaternary ammonium methyl sulfate and accounts for 1%, benzotriazole and account for
0.5%th, MF dispersants account for 1%, and wherein Sodium Polyacrylate has network molecular structure, is conducive to moisture absorption and wraps up moisture.
Polyester film is prepared as follows：It will be uniformly mixed after raw material weighing, incorporation time 3h, heating is dry
It is dry；It is squeezed out, cooled down by melting extrusion equipment after drying, cooling velocity is controlled in 75 DEG C/min；After cooling, longitudinal drawing is carried out
It stretches, draft temperature is 80 DEG C；Cross directional stretch, draft temperature are 125 DEG C, and finally sizing obtains polyester film.
Temperature-resistanpolyester polyester film provided by the invention, detection method are as follows：
Tensile strength：According to GB/T1040-2006 standard detections, test temperature is 60 DEG C；
High-temperature shrinkage rate：According to GB18173.1-2012 standard detections, test temperature is 80 DEG C.
Test result is as follows for tensile strength and high-temperature shrinkage rate：
1 embodiment 1-5 polyester films of table and conventional polyester thin film mechanical performance and shrinking percentage
| Sample | Longitudinal tensile strength（Mpa） | Transverse tensile strength（Mpa） | High-temperature shrinkage rate（%） |
| Embodiment 1 | 126 | 131 | 1.2 |
| Embodiment 2 | 118 | 123 | 1.6 |
| Embodiment 3 | 125 | 130 | 1.2 |
| Embodiment 4 | 135 | 139 | 0.9 |
| Embodiment 5 | 140 | 145 | 0.6 |
| Conventional polyester film | 90 | 94 | 2.3 |
It can be seen that by 1 result of table：Polyester film provided by the invention is compared to conventional polyester film under 60 DEG C of operating temperature
With better mechanical property, while the shrinking percentage smaller at a temperature of 80 DEG C, show good heat safe ability.This is
Since polyester film provided by the invention is added to the Sodium Polyacrylate with network molecular structure, there is network molecular structure
Sodium Polyacrylate has good moisture absorption and moisture-keeping function, so as to reduce the temperature of subenvironment around polyester film, increases wet
Degree improves the heat-resisting quantity of polyester film, extends the use scope of polyester film.
Desirable embodiment according to the present invention is enlightenment above, and by above-mentioned description, related personnel completely can be with
Without departing from the scope of the technological thought of the present invention', various changes and amendments are carried out.The technical scope of this invention
The content being not limited on specification, it is necessary to determine the technical scope according to the scope of the claims.
Claims (10)
1. a kind of temperature-resistanpolyester polyester film containing polyethylene terephthalate, polybutylene terephthalate, glass fibre, resists
Oxidant, toughener, antistatic agent, light stabilizer and dispersant, it is characterised in that the temperature-resistanpolyester polyester film is also containing poly-
Sodium acrylate.
2. temperature-resistanpolyester polyester film according to claim 1, it is characterised in that：The temperature-resistanpolyester polyester film composition and content
（Weight percent）For：Polyethylene terephthalate accounts for 62-80%, polybutylene terephthalate accounts for 0-27%, polyacrylic acid
Sodium accounts for 3-20%, glass fibre accounts for 0-3.5%, antioxidant accounts for 0.5-2%, toughener accounts for 0.5-1.6%, antistatic agent accounts for 0-1%,
Light stabilizer accounts for 0.25-2%, dispersant accounts for 0.25-2%.
3. temperature-resistanpolyester polyester film according to claim 2, it is characterised in that：The content of the Sodium Polyacrylate（Weight hundred
Divide ratio）For 4-6%.
4. temperature-resistanpolyester polyester film according to claim 3, it is characterised in that：The Sodium Polyacrylate has network molecule knot
Structure.
5. according to any temperature-resistanpolyester polyester films of claim 1-4, it is characterised in that：The antioxidant is antioxidant
1010th, the one or more of antioxidant 1076, antioxidant 168.
6. according to any temperature-resistanpolyester polyester films of claim 1-4, it is characterised in that：The antistatic agent is trihydroxyethyl
One kind of methyl quaternary ammonium Methylsulfate or octadecyldimethyl quaternary ammonium nitrate；The light stabilizer is benzotriazole, two
One kind of Benzophenone or salicylate.
7. according to any temperature-resistanpolyester polyester films of claim 1-4, it is characterised in that：The dispersant is MF dispersants；
The toughener is ethylene-vinyl acetate copolymer.
8. the preparation method of temperature-resistanpolyester polyester film as described in claim 1, which is characterized in that include the following steps：
（1）Weigh polyester resin master batch, glass fibre, antioxidant, toughener, antistatic agent, light stabilizer, dispersant and
Sodium Polyacrylate is placed in container and is uniformly mixed, obtains mixed raw material；
（2）By mixed raw material heat drying；
（3）It is squeezed out after drying by melting extrusion equipment；
（4）Cooling, cooling velocity are controlled in 55-95 DEG C/min；
（5）After cooling polyester film is obtained by longitudinal stretching, cross directional stretch and sizing.
9. the preparation method of temperature-resistanpolyester polyester film according to claim 8, it is characterised in that：The temperature-resistanpolyester polyester film is indulged
To draft temperature control at 70-90 DEG C, transverse drawing temperature is controlled at 115-135 DEG C.
10. the preparation method of temperature-resistanpolyester polyester film according to claim 9, it is characterised in that：The mixed raw material mixing
Time is 2-6h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810094643.5A CN108239376A (en) | 2018-01-31 | 2018-01-31 | A kind of temperature-resistanpolyester polyester film and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810094643.5A CN108239376A (en) | 2018-01-31 | 2018-01-31 | A kind of temperature-resistanpolyester polyester film and preparation method thereof |
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| CN108239376A true CN108239376A (en) | 2018-07-03 |
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| CN201810094643.5A Pending CN108239376A (en) | 2018-01-31 | 2018-01-31 | A kind of temperature-resistanpolyester polyester film and preparation method thereof |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109354837A (en) * | 2018-09-19 | 2019-02-19 | 常州钟恒新材料有限公司 | The preparation method of high ductibility polyester material and the method that composite membrane-forming is prepared using the material |
| CN109627707A (en) * | 2018-12-24 | 2019-04-16 | 天津世起科技发展有限公司 | High-temperature resistant anti-ultraviolet polyester membrane composite film and preparation method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101235191A (en) * | 2008-02-29 | 2008-08-06 | 浙江工业大学 | Special-purpose material for anti-static polyethylene terephthalate bidirectional stretching thin film and preparation |
| CN104130530A (en) * | 2014-08-18 | 2014-11-05 | 苏州市盛百威包装设备有限公司 | Medical composite packaging material and preparation method thereof |
-
2018
- 2018-01-31 CN CN201810094643.5A patent/CN108239376A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101235191A (en) * | 2008-02-29 | 2008-08-06 | 浙江工业大学 | Special-purpose material for anti-static polyethylene terephthalate bidirectional stretching thin film and preparation |
| CN104130530A (en) * | 2014-08-18 | 2014-11-05 | 苏州市盛百威包装设备有限公司 | Medical composite packaging material and preparation method thereof |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109354837A (en) * | 2018-09-19 | 2019-02-19 | 常州钟恒新材料有限公司 | The preparation method of high ductibility polyester material and the method that composite membrane-forming is prepared using the material |
| CN109627707A (en) * | 2018-12-24 | 2019-04-16 | 天津世起科技发展有限公司 | High-temperature resistant anti-ultraviolet polyester membrane composite film and preparation method thereof |
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Application publication date: 20180703 |