CN116284909A - Preparation method of polyester film - Google Patents
Preparation method of polyester film Download PDFInfo
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- CN116284909A CN116284909A CN202310311773.0A CN202310311773A CN116284909A CN 116284909 A CN116284909 A CN 116284909A CN 202310311773 A CN202310311773 A CN 202310311773A CN 116284909 A CN116284909 A CN 116284909A
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- polyester film
- film
- antioxidant
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- 229920006267 polyester film Polymers 0.000 title claims abstract description 20
- 238000002360 preparation method Methods 0.000 title claims abstract description 11
- 239000000463 material Substances 0.000 claims abstract description 32
- 238000002156 mixing Methods 0.000 claims abstract description 25
- 238000001816 cooling Methods 0.000 claims abstract description 18
- 238000001035 drying Methods 0.000 claims abstract description 15
- SZVJSHCCFOBDDC-UHFFFAOYSA-N ferrosoferric oxide Chemical compound O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 claims abstract description 14
- 239000002245 particle Substances 0.000 claims abstract description 14
- 239000002994 raw material Substances 0.000 claims abstract description 14
- 230000003075 superhydrophobic effect Effects 0.000 claims abstract description 13
- 239000011858 nanopowder Substances 0.000 claims abstract description 10
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 9
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 9
- 230000001050 lubricating effect Effects 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 claims abstract description 9
- 239000003607 modifier Substances 0.000 claims abstract description 9
- 239000008187 granular material Substances 0.000 claims abstract description 8
- 239000002070 nanowire Substances 0.000 claims abstract description 7
- 238000009998 heat setting Methods 0.000 claims abstract description 6
- 229920001225 polyester resin Polymers 0.000 claims abstract description 6
- 239000004645 polyester resin Substances 0.000 claims abstract description 6
- 238000005096 rolling process Methods 0.000 claims abstract description 6
- 239000006097 ultraviolet radiation absorber Substances 0.000 claims abstract description 6
- 238000010438 heat treatment Methods 0.000 claims description 10
- 238000004519 manufacturing process Methods 0.000 claims description 10
- 238000003756 stirring Methods 0.000 claims description 8
- 239000000203 mixture Substances 0.000 claims description 7
- 239000000843 powder Substances 0.000 claims description 6
- JKIJEFPNVSHHEI-UHFFFAOYSA-N Phenol, 2,4-bis(1,1-dimethylethyl)-, phosphite (3:1) Chemical compound CC(C)(C)C1=CC(C(C)(C)C)=CC=C1OP(OC=1C(=CC(=CC=1)C(C)(C)C)C(C)(C)C)OC1=CC=C(C(C)(C)C)C=C1C(C)(C)C JKIJEFPNVSHHEI-UHFFFAOYSA-N 0.000 claims description 3
- 239000004698 Polyethylene Substances 0.000 claims description 3
- BGYHLZZASRKEJE-UHFFFAOYSA-N [3-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]-2,2-bis[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxymethyl]propyl] 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)OCC(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 BGYHLZZASRKEJE-UHFFFAOYSA-N 0.000 claims description 3
- -1 polyethylene Polymers 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 229910004298 SiO 2 Inorganic materials 0.000 claims 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000007493 shaping process Methods 0.000 description 3
- 229920002799 BoPET Polymers 0.000 description 2
- 229910052681 coesite Inorganic materials 0.000 description 2
- 229910052906 cristobalite Inorganic materials 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 235000012239 silicon dioxide Nutrition 0.000 description 2
- 229910052682 stishovite Inorganic materials 0.000 description 2
- 229910052905 tridymite Inorganic materials 0.000 description 2
- 230000006750 UV protection Effects 0.000 description 1
- 230000002745 absorbent Effects 0.000 description 1
- 239000002250 absorbent Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 239000003205 fragrance Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- 239000002932 luster Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 229920006280 packaging film Polymers 0.000 description 1
- 239000012785 packaging film Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 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
- C08J2367/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2265—Oxides; Hydroxides of metals of iron
- C08K2003/2275—Ferroso-ferric oxide (Fe3O4)
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/34—Silicon-containing compounds
- C08K3/36—Silica
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K7/00—Use of ingredients characterised by shape
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
Abstract
The invention discloses a preparation method of a polyester film, which comprises the following steps: step one: preparing raw materials, namely 100 parts of general polyester resin, 1-5 parts of ultraviolet absorber, 0.5-2 parts of super-hydrophobic nano powder, 0.05-0.2 part of lubricating modifier, 10-20 parts of Fe3O4 nano wire and 0.5-1 part of antioxidant; step two: premixing and preheating the raw materials prepared in the step one; step three: injecting the premixed material into a double-screw blending granulator to process the premixed material into granules; step four: drying; step five: the dried particles are rapidly cooled to 100-110 ℃ by an air cooling mode; step six: stretching in the longitudinal direction; step seven: stretching in the transverse direction; step eight: heat setting; step nine: cooling; step ten: and (5) rolling. The invention is suitable for summer with good sunshine, can be suitable for the environment of rainy days, effectively improves the practicability of the film, and is more convenient to use because the film is not stuck on a body when a user expands the film.
Description
Technical Field
The invention relates to the technical field of polyester films, in particular to a preparation method of a polyester film.
Background
Polyester film generally a PET film, which is a packaging film having relatively comprehensive properties. The transparent glass has good transparency and luster; has good air tightness and fragrance retention; moisture resistance is moderate and moisture permeability decreases at low temperatures. The mechanical properties of the PET film are excellent, the toughness is the best in all thermoplastics, and the tensile strength and the impact strength are much higher than those of the common film; and the strength is good, the size is stable, and the printing paper bag is suitable for secondary processing such as printing paper bags. Therefore, the polyester film has very wide application in the existing life.
The Chinese patent CN105001437A discloses a preparation method of an ultraviolet shielding type light-transmitting heat-insulating film, and discloses ultraviolet shielding type light-transmitting heat-insulating polyester, wherein the ultraviolet absorption of the patent is more than 60%, the visible light transmittance is more than 74%, but the patent only relates to a polyester film with a single ultraviolet resistance function, and the film has a single function and low practicability.
Disclosure of Invention
The invention aims to provide a preparation method of a polyester film, which solves the problems encountered in actual use.
In order to achieve the above purpose, the present invention provides the following technical solutions:
a preparation method of a polyester film comprises the following steps:
step one: preparing raw materials, namely 100 parts of general polyester resin, 1-5 parts of ultraviolet absorber, 0.5-2 parts of super-hydrophobic nano powder, 0.05-0.2 part of lubricating modifier, 10-20 parts of Fe3O4 nano wire and 0.5-1 part of antioxidant;
step two: premixing and preheating the raw materials prepared in the step one;
step three: injecting the premixed material into a double-screw blending granulator to process the premixed material into granules;
step four: sending the particle mixture obtained in the step three into a drying tower for drying;
step five: the dried particles are rapidly cooled to 100-110 ℃ by an air cooling mode;
step six: stretching the granules longitudinally at 110-120 ℃;
step seven: further heating the film after longitudinal stretching to 140-150 ℃ for transverse stretching;
step eight: heating the product obtained in the step seven to 230-240 ℃ for heat setting;
step nine: cooling the product in the seventh step;
step ten: and rolling the film to finish the production process.
Preferably: the super-hydrophobic nano powder is super-hydrophobic nano SiO2 powder.
Preferably: the lubricating modifier is polyethylene wax powder.
Preferably: the antioxidant is formed by mixing one or two of antioxidant 1010 and antioxidant 168 according to any proportion.
Preferably: and in the second step, the materials are heated during mixing, so that the materials are stirred and mixed at 140-150 ℃ for 30 minutes, and in the stirring process, the materials adhered to the inner wall and the bottom of the container are scraped off by manual operation and the materials at the bottom of the container are turned up, thereby improving the mixing effect.
Preferably: the temperature of the double-screw blending granulator is controlled between 260 and 300 ℃.
Preferably: in the fourth step, the drying temperature is set to 160 ℃ and the drying time is set to 3 hours.
Preferably: in the step nine, cooling is carried out for 1 minute at 60 ℃ and then the mixture is placed at room temperature until the mixture is completely cooled.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, the ultraviolet absorbent and the super-hydrophobic nano powder are respectively added into the raw materials, so that when the film is used under outdoor conditions, the film has an ultraviolet-proof function and a hydrophobic function, is suitable for summer with good sunlight and rainy days, effectively improves the practicability of the film, and has an antistatic function by adding the Fe3O4 nano wire into the raw materials, so that when a user expands the film, the film is not stuck on a body, and the film is more convenient to use.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below.
Example 1
In the embodiment of the invention, the preparation method of the polyester film comprises the following steps:
step one: preparing raw materials, namely 100 parts of general polyester resin, 1 part of ultraviolet absorber, 0.5 part of super-hydrophobic nano powder, 0.05 part of lubricating modifier, 10 parts of Fe3O4 nano wire and 0.5 part of antioxidant;
step two: the raw materials prepared in the first step are premixed and preheated, the materials are heated during mixing, stirring and mixing are carried out on the materials under the condition of 140-150 ℃, the materials are fully stirred for 30 minutes, in the stirring process, the materials adhered to the inner wall and the bottom of the container are scraped off by manual operation, and the materials at the bottom of the container are turned over, so that the mixing effect is improved;
step three: injecting the premixed material into a double-screw blending granulator to be processed into particles, wherein the temperature of the double-screw blending granulator is controlled at 260-300 ℃;
step four: drying the particle mixture obtained in the step three in a drying tower at 160 ℃ for 3 hours;
step five: the dried particles are rapidly cooled to 100-110 ℃ by an air cooling mode;
step six: stretching the granules longitudinally at 110-120 ℃;
step seven: further heating the film after longitudinal stretching to 140-150 ℃ for transverse stretching;
step eight: heating the product obtained in the step seven to 230-240 ℃ for heat setting;
step nine: cooling the product in the seventh step, after shaping, cooling for 1 minute at 60 ℃, and then placing the product at room temperature until the product is completely cooled;
step ten: and rolling the film to finish the production process.
Wherein the super-hydrophobic nano powder is super-hydrophobic nano SiO2 powder;
the lubricating modifier is polyethylene wax powder;
the antioxidant is formed by mixing one or two of antioxidant 1010 and antioxidant 168 according to any proportion.
Example 2
A preparation method of a polyester film comprises the following steps:
step one: preparing raw materials, namely 100 parts of general polyester resin, 3 parts of ultraviolet absorber, 1.2 parts of super-hydrophobic nano powder, 12 parts of lubricating modifier, 15 parts of Fe3O4 nano wire and 0.75 part of antioxidant;
step two: the raw materials prepared in the first step are premixed and preheated, the materials are heated during mixing, stirring and mixing are carried out on the materials under the condition of 140-150 ℃, the materials are fully stirred for 30 minutes, in the stirring process, the materials adhered to the inner wall and the bottom of the container are scraped off by manual operation, and the materials at the bottom of the container are turned over, so that the mixing effect is improved;
step three: injecting the premixed material into a double-screw blending granulator to be processed into particles, wherein the temperature of the double-screw blending granulator is controlled at 260-300 ℃;
step four: drying the particle mixture obtained in the step three in a drying tower at 160 ℃ for 3 hours;
step five: the dried particles are rapidly cooled to 100-110 ℃ by an air cooling mode;
step six: stretching the granules longitudinally at 110-120 ℃;
step seven: further heating the film after longitudinal stretching to 140-150 ℃ for transverse stretching;
step eight: heating the product obtained in the step seven to 230-240 ℃ for heat setting;
step nine: cooling the product in the seventh step, after shaping, cooling for 1 minute at 60 ℃, and then placing the product at room temperature until the product is completely cooled;
step ten: and rolling the film to finish the production process.
Example 3
A preparation method of a polyester film comprises the following steps:
step one: preparing raw materials, namely 100 parts of general polyester resin, 5 parts of ultraviolet absorber, 2 parts of super-hydrophobic nano powder, 0.2 part of lubricating modifier, 20 parts of Fe3O4 nano wire and 1 part of antioxidant;
step two: the raw materials prepared in the first step are premixed and preheated, the materials are heated during mixing, stirring and mixing are carried out on the materials under the condition of 140-150 ℃, the materials are fully stirred for 30 minutes, in the stirring process, the materials adhered to the inner wall and the bottom of the container are scraped off by manual operation, and the materials at the bottom of the container are turned over, so that the mixing effect is improved;
step three: injecting the premixed material into a double-screw blending granulator to be processed into particles, wherein the temperature of the double-screw blending granulator is controlled at 260-300 ℃;
step four: drying the particle mixture obtained in the step three in a drying tower at 160 ℃ for 3 hours;
step five: the dried particles are rapidly cooled to 100-110 ℃ by an air cooling mode;
step six: stretching the granules longitudinally at 110-120 ℃;
step seven: further heating the film after longitudinal stretching to 140-150 ℃ for transverse stretching;
step eight: heating the product obtained in the step seven to 230-240 ℃ for heat setting;
step nine: cooling the product in the seventh step, after shaping, cooling for 1 minute at 60 ℃, and then placing the product at room temperature until the product is completely cooled;
step ten: and rolling the film to finish the production process.
Although the present invention has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present invention.
Claims (8)
1. The preparation method of the polyester film is characterized by comprising the following steps:
step one: preparing raw materials, namely 100 parts of general polyester resin, 1-5 parts of ultraviolet absorber, 0.5-2 parts of super-hydrophobic nano powder, 0.05-0.2 part of lubricating modifier, 10-20 parts of Fe3O4 nano wire and 0.5-1 part of antioxidant;
step two: premixing and preheating the raw materials prepared in the step one;
step three: injecting the premixed material into a double-screw blending granulator to process the premixed material into granules;
step four: sending the particle mixture obtained in the step three into a drying tower for drying;
step five: the dried particles are rapidly cooled to 100-110 ℃ by an air cooling mode;
step six: stretching the granules longitudinally at 110-120 ℃;
step seven: further heating the film after longitudinal stretching to 140-150 ℃ for transverse stretching;
step eight: heating the product obtained in the step seven to 230-240 ℃ for heat setting;
step nine: cooling the product in the seventh step;
step ten: and rolling the film to finish the production process.
2. The method for preparing a polyester film according to claim 1, wherein the super-hydrophobic nano-powder is super-hydrophobic nano-SiO 2 powder.
3. The method for producing a polyester film according to claim 1, wherein the lubricating modifier is polyethylene wax powder.
4. The method for producing a polyester film according to claim 1, wherein the antioxidant is composed of one or both of an antioxidant 1010 and an antioxidant 168 mixed in an arbitrary ratio.
5. The method for producing a polyester film according to claim 1, wherein the material is heated during the mixing in the second step, the material is stirred and mixed at 140 ℃ to 150 ℃ for 30 minutes, and the material stuck on the inner wall and the bottom of the container is scraped off by manual operation and the material on the bottom of the container is turned over during the stirring.
6. The method for producing a polyester film according to claim 1, wherein the temperature of the twin-screw blending granulator is controlled to 260 to 300 ℃.
7. The method for producing a polyester film according to claim 1, wherein the drying temperature in the fourth step is set to 160℃and the drying time is set to 3 hours.
8. The method of claim 1, wherein the step nine is performed by cooling at 60 ℃ for 1 minute and then cooling to room temperature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310311773.0A CN116284909A (en) | 2023-03-28 | 2023-03-28 | Preparation method of polyester film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310311773.0A CN116284909A (en) | 2023-03-28 | 2023-03-28 | Preparation method of polyester film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116284909A true CN116284909A (en) | 2023-06-23 |
Family
ID=86794063
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310311773.0A Pending CN116284909A (en) | 2023-03-28 | 2023-03-28 | Preparation method of polyester film |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116284909A (en) |
-
2023
- 2023-03-28 CN CN202310311773.0A patent/CN116284909A/en active Pending
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