CN106891514A - A kind of manufacture method of polyester film - Google Patents
A kind of manufacture method of polyester film Download PDFInfo
- Publication number
- CN106891514A CN106891514A CN201710050093.2A CN201710050093A CN106891514A CN 106891514 A CN106891514 A CN 106891514A CN 201710050093 A CN201710050093 A CN 201710050093A CN 106891514 A CN106891514 A CN 106891514A
- Authority
- CN
- China
- Prior art keywords
- polyester film
- manufacture method
- stretching
- temperature
- masterbatch
- Prior art date
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
- B29C55/02—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets
- B29C55/10—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial
- B29C55/12—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial biaxial
- B29C55/14—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial biaxial successively
- B29C55/143—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial biaxial successively firstly parallel to the direction of feed and then transversely thereto
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B13/00—Conditioning or physical treatment of the material to be shaped
- B29B13/06—Conditioning or physical treatment of the material to be shaped by drying
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/25—Component parts, details or accessories; Auxiliary operations
- B29C48/92—Measuring, controlling or regulating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C69/00—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore
- B29C69/02—Combinations of shaping techniques not provided for in a single one of main groups B29C39/00 - B29C67/00, e.g. associations of moulding and joining techniques; Apparatus therefore of moulding techniques only
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C71/00—After-treatment of articles without altering their shape; Apparatus therefor
- B29C71/0081—After-treatment of articles without altering their shape; Apparatus therefor using an electric field, e.g. for electrostatic charging
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92704—Temperature
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2067/00—Use of polyesters or derivatives thereof, as moulding material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2007/00—Flat articles, e.g. films or sheets
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
Abstract
The invention discloses a kind of manufacture method of polyester film, after dried process being carried out after feed proportioning, reduce there is a possibility that for moisture and make raw material oxidative degradation in processing, improve product quality, extrude 265~295 DEG C of the temperature of melt flow stream, 10~20 DEG C of chilling roll temperature, raw material can be made to form slab shape uniform, for stretching step provides the foundation, thermal finalization is carried out after stretching, then carrying out cooling can reduce the internal stress produced in stretching, so as to obtain the measured film of matter, two-sided corona is carried out after being stretched to polyester film, it is capable of the surface-clinging ability of reinforced polyester film.
Description
Technical field
The present invention relates to plastic sheeting manufacture field, specially a kind of manufacture method of polyester film.
Background technology
The film that common polyester film manufacture method is produced easily produce more sags and crests, flatness it is not enough,
Surface is easily scratched, and most of films are produced by the way of one side corona, causes its adhesive ability weaker.
The content of the invention
In order to solve the above problems, it is an object of the invention to provide a kind of production stage is simple, film adhesive ability compared with
The manufacture method of good polyester film.
The technical scheme that is used to solve its technical problem of the present invention is：
A kind of manufacture method of polyester film, comprises the following steps：
Step one：Dispensing, mixing is stirred during polyester slice, colour masterbatch and delustring masterbatch are added into mixer；
Step 2：Dry, mixed polyester slice, colour masterbatch and delustring masterbatch will be stirred and be dried；
Step 3：Extrusion, slab, dried material is delivered in extruder, and material is extruded to chilling roller with melt form
Middle cooling forming is into slab；
Step 4：Stretching, slab is delivered to longitudinal stretching, longitudinal stretching in vertical machine drawing by including longitudinal stretching and cross directional stretch
Polyester film afterwards enters cross directional stretch in transverse stretching machine, and the polyester film after cross directional stretch carries out thermal finalization, then cooled down；
Step 5：Sided corona treatment, the gap that the polyester film after stretching is passed through into discharge knife rest and blade, using high-frequency high-voltage
Source generation corona carries out two-sided sided corona treatment to the polyester film；
Step 6：Winding, the polyester film after sided corona treatment is wound by winder.
Polyester slice and colour masterbatch weight accounting are respectively 50%~60% and 25%~35% in the step one, remaining weight
Amount accounting is delustring masterbatch.
Drying temperature is set as 120~195 DEG C in the step 2, and baking time is 60~120 minutes.
In the step 3,265~295 DEG C of the temperature of melt flow stream, 10~20 DEG C of chilling roll temperature are extruded.
The material of melt flow stream is extruded in the step 3 also carries out contaminant filter to before chilling roller by filter.
In the d of the step four preheating temperature of the longitudinal stretching of polyester film be 70~80 DEG C, longitudinal stretching ratio be 2.8~
3.6, the preheating temperature of cross directional stretch is 70~80 DEG C, and the cross directional stretch heat setting temperature of polyester film is 200~240 DEG C.
Dyne value >=52 of the polyester film in the step 5 after two-sided sided corona treatment.
Winding tension is 100~600N in the step 6.
The beneficial effect of the invention is：The invention provides a kind of manufacture method of polyester film, done after feed proportioning
After dry treatment, reduce there is a possibility that for moisture and make raw material oxidative degradation in processing, improve product quality, extrusion melting
265~295 DEG C of the temperature of fluid, 10~20 DEG C of chilling roll temperature can make raw material form slab shape uniformly, be that stretching is walked
Suddenly provide the foundation, thermal finalization is carried out after stretching, then carrying out cooling can reduce the internal stress produced in stretching, so as to obtain
The measured film of matter, two-sided corona is carried out after being stretched to polyester film, is capable of the surface-clinging ability of reinforced polyester film.
Specific embodiment
A kind of manufacture method of polyester film of the invention, comprises the following steps：
Step one：Dispensing, mixing is stirred during polyester slice, colour masterbatch and delustring masterbatch are added into mixer；
Step 2：Dry, mixed polyester slice, colour masterbatch and delustring masterbatch will be stirred and be dried；
Step 3：Extrusion, slab, dried material is delivered in extruder, and material is extruded to chilling roller with melt form
Middle cooling forming is into slab；
Step 4：Stretching, slab is delivered to longitudinal stretching, longitudinal stretching in vertical machine drawing by including longitudinal stretching and cross directional stretch
Polyester film afterwards enters cross directional stretch in transverse stretching machine, and the polyester film after cross directional stretch carries out thermal finalization, then cooled down；
Step 5：Sided corona treatment, the gap that the polyester film after stretching is passed through into discharge knife rest and blade, using high-frequency high-voltage
Source generation corona carries out two-sided sided corona treatment to the polyester film；
Step 6：Winding, the polyester film after sided corona treatment is wound by winder.
Polyester slice and colour masterbatch weight accounting are respectively 50%~60% and 25%~35% in the step one, remaining weight
Amount accounting is delustring masterbatch.
Drying temperature is set as 120~195 DEG C in the step 2, and baking time is 60~120 minutes.
In the step 3,265~295 DEG C of the temperature of melt flow stream, 10~20 DEG C of chilling roll temperature are extruded.
The material of melt flow stream is extruded in the step 3 also carries out contaminant filter to before chilling roller by filter.
In the d of the step four preheating temperature of the longitudinal stretching of polyester film be 70~80 DEG C, longitudinal stretching ratio be 2.8~
3.6, the preheating temperature of cross directional stretch is 70~80 DEG C, and the cross directional stretch heat setting temperature of polyester film is 200~240 DEG C.
Dyne value >=52 of the polyester film in the step 5 after two-sided sided corona treatment.
Winding tension is 100~600N in the step 6.
Embodiment 1：
A kind of manufacture method of polyester film, it is characterised in that comprise the following steps：
Step one：Dispensing, mixing, polyester slice, face are stirred during polyester slice, colour masterbatch and delustring masterbatch are added into mixer
The weight accounting of color masterbatch and delustring masterbatch is respectively 60%, 30%, 10%；
Step 2：Dry, mixed polyester slice, colour masterbatch and delustring masterbatch will be stirred and be dried, drying temperature is
140 DEG C, baking time is 100 minutes；
Step 3：Extrusion, slab, dried material is delivered in extruder, and material is extruded to chilling roller with melt form
Middle cooling forming extrudes 280 DEG C of the temperature of melt flow stream into slab, 15 DEG C of chilling roll temperature, the material of melt flow stream extrude to
Contaminant filter also is carried out by filter before chilling roller, is prevented from the debris such as the grains of sand by contaminant filter and infiltrates to be cut by polyester
In the melt flow stream that piece, colour masterbatch and delustring masterbatch are constituted；
Step 4：Stretching, slab is delivered to longitudinal stretching, polyester film in vertical machine drawing by including longitudinal stretching and cross directional stretch
The preheating temperature of longitudinal stretching be 75 DEG C, longitudinal stretching ratio is 3.2, and polyester film after longitudinal stretching enters horizontal in transverse stretching machine
To stretching, the preheating temperature of the cross directional stretch of polyester film is 75 DEG C, and the polyester film after cross directional stretch carries out thermal finalization, and heat is fixed
Type temperature is 220 DEG C, is then cooled down, and chilling temperature is 63 DEG C；
Step 5：Sided corona treatment, the gap that the polyester film after stretching is passed through into discharge knife rest and blade, using high-frequency high-voltage
Source produce corona two-sided sided corona treatment is carried out to the polyester film, the polyester film after two-sided sided corona treatment dyne value >=
52。
Step 6：Winding, the polyester film after sided corona treatment is wound by winder, and winding tension is 300N.
Embodiment 2：
A kind of manufacture method of polyester film, it is characterised in that comprise the following steps：
Step one：Dispensing, mixing, polyester slice, face are stirred during polyester slice, colour masterbatch and delustring masterbatch are added into mixer
The weight accounting of color masterbatch and delustring masterbatch is respectively 55%, 30%, 15%；
Step 2：Dry, mixed polyester slice, colour masterbatch and delustring masterbatch will be stirred and be dried, drying temperature is
160 DEG C, baking time is 80 minutes；
Step 3：Extrusion, slab, dried material is delivered in extruder, and material is extruded to chilling roller with melt form
Middle cooling forming extrudes 292 DEG C of the temperature of melt flow stream into slab, 10 DEG C of chilling roll temperature, the material of melt flow stream extrude to
Contaminant filter also is carried out by filter before chilling roller, is prevented from the debris such as the grains of sand by contaminant filter and infiltrates to be cut by polyester
In the melt flow stream that piece, colour masterbatch and delustring masterbatch are constituted；
Step 4：Stretching, slab is delivered to longitudinal stretching, polyester film in vertical machine drawing by including longitudinal stretching and cross directional stretch
The preheating temperature of longitudinal stretching be 78 DEG C, longitudinal stretching ratio is 3.4, and polyester film after longitudinal stretching enters horizontal in transverse stretching machine
To stretching, the preheating temperature of the cross directional stretch of polyester film is 78 DEG C, and the polyester film after cross directional stretch carries out thermal finalization, and heat is fixed
Type temperature is 235 DEG C, is then cooled down, and chilling temperature is 60 DEG C；
Step 5：Sided corona treatment, the gap that the polyester film after stretching is passed through into discharge knife rest and blade, using high-frequency high-voltage
Source produce corona two-sided sided corona treatment is carried out to the polyester film, the polyester film after two-sided sided corona treatment dyne value >=
52。
Step 6：Winding, the polyester film after sided corona treatment is wound by winder, and winding tension is 500N.
Preferred embodiments of the invention are the foregoing is only, as long as realizing the skill of the object of the invention with essentially identical means
Art scheme is belonged within protection scope of the present invention.
Claims (8)
1. a kind of manufacture method of polyester film, it is characterised in that comprise the following steps：
Step one：Dispensing, mixing is stirred during polyester slice, colour masterbatch and delustring masterbatch are added into mixer；
Step 2：Dry, mixed polyester slice, colour masterbatch and delustring masterbatch will be stirred and be dried；
Step 3：Extrusion, slab, dried material is delivered in extruder, and material is extruded to chilling roller with melt form
Middle cooling forming is into slab；
Step 4：Stretching, slab is delivered to longitudinal stretching, longitudinal stretching in vertical machine drawing by including longitudinal stretching and cross directional stretch
Polyester film afterwards enters cross directional stretch in transverse stretching machine, and the polyester film after cross directional stretch carries out thermal finalization, then cooled down；
Step 5：Sided corona treatment, the gap that the polyester film after stretching is passed through into discharge knife rest and blade, using high-frequency high-voltage
Source generation corona carries out two-sided sided corona treatment to the polyester film；
Step 6：Winding, the polyester film after sided corona treatment is wound by winder.
2. a kind of manufacture method of polyester film as claimed in claim 1, it is characterised in that：Polyester slice in the step one
50%~60% and 25%~35% is respectively with colour masterbatch weight accounting, remaining weight accounting is delustring masterbatch.
3. a kind of manufacture method of polyester film as claimed in claim 1, it is characterised in that：Drying temperature in the step 2
It is set as 120~195 DEG C, baking time is 60~120 minutes.
4. a kind of manufacture method of polyester film as claimed in claim 1, it is characterised in that：In the step 3, extrusion is molten
Melt 265~295 DEG C of the temperature of fluid, 10~20 DEG C of chilling roll temperature.
5. a kind of manufacture method of polyester film as claimed in claim 1, it is characterised in that：Melt flow stream in the step 3
Material extrude and also carry out contaminant filter by filter to before chilling roller.
6. a kind of manufacture method of polyester film as claimed in claim 1, it is characterised in that：Polyester film in the step 4
The preheating temperature of longitudinal stretching be 70~80 DEG C, longitudinal stretching ratio is 2.8~3.6, the preheating temperature of cross directional stretch for 70~
80 DEG C, the cross directional stretch heat setting temperature of polyester film is 200~240 DEG C.
7. a kind of manufacture method of polyester film as claimed in claim 1, it is characterised in that：Two-sided corona in the step 5
Dyne value >=52 of the polyester film after treatment.
8. a kind of manufacture method of polyester film as claimed in claim 1, it is characterised in that：Winding tension in the step 6
It is 100~600N.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710050093.2A CN106891514A (en) | 2017-01-23 | 2017-01-23 | A kind of manufacture method of polyester film |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710050093.2A CN106891514A (en) | 2017-01-23 | 2017-01-23 | A kind of manufacture method of polyester film |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106891514A true CN106891514A (en) | 2017-06-27 |
Family
ID=59199133
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710050093.2A Pending CN106891514A (en) | 2017-01-23 | 2017-01-23 | A kind of manufacture method of polyester film |
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| Country | Link |
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| CN (1) | CN106891514A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111645289A (en) * | 2020-06-30 | 2020-09-11 | 佛山赛和薄膜科技有限公司 | Polyester film on-line surface treatment for aluminum plating composite and processing method thereof |
| CN112497792A (en) * | 2020-10-30 | 2021-03-16 | 王蕊 | Preparation method of optical polyester film |
| CN114103192A (en) * | 2021-11-17 | 2022-03-01 | 南京兰埔成新材料有限公司 | Preparation method of optical double-pull polyester film for display |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101293412A (en) * | 2008-05-29 | 2008-10-29 | 常州钟恒新材料有限公司 | Special optical level polyester film and production method thereof |
| CN104476774A (en) * | 2014-11-29 | 2015-04-01 | 安徽美翔塑业有限公司 | Production process of BOPET (Biaxially Oriented Polyester) film |
-
2017
- 2017-01-23 CN CN201710050093.2A patent/CN106891514A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101293412A (en) * | 2008-05-29 | 2008-10-29 | 常州钟恒新材料有限公司 | Special optical level polyester film and production method thereof |
| CN104476774A (en) * | 2014-11-29 | 2015-04-01 | 安徽美翔塑业有限公司 | Production process of BOPET (Biaxially Oriented Polyester) film |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111645289A (en) * | 2020-06-30 | 2020-09-11 | 佛山赛和薄膜科技有限公司 | Polyester film on-line surface treatment for aluminum plating composite and processing method thereof |
| CN112497792A (en) * | 2020-10-30 | 2021-03-16 | 王蕊 | Preparation method of optical polyester film |
| CN114103192A (en) * | 2021-11-17 | 2022-03-01 | 南京兰埔成新材料有限公司 | Preparation method of optical double-pull polyester film for display |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20170627 |
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| RJ01 | Rejection of invention patent application after publication |