CN102108193B - White polyester film to be coated on surface of metal sheet and manufacturing method thereof - Google Patents

White polyester film to be coated on surface of metal sheet and manufacturing method thereof Download PDF

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Publication number
CN102108193B
CN102108193B CN200910259903.0A CN200910259903A CN102108193B CN 102108193 B CN102108193 B CN 102108193B CN 200910259903 A CN200910259903 A CN 200910259903A CN 102108193 B CN102108193 B CN 102108193B
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polyester film
tio
modified poly
light section
master batch
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CN102108193A (en
Inventor
赵宇晖
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Origen Polytron Technologies Inc
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ORG PACKAGING CO Ltd
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    • 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
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/9258—Velocity
    • B29C2948/9259—Angular velocity
    • 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
    • B29C2948/92609—Dimensions
    • B29C2948/92647—Thickness
    • 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
    • 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
    • B29C2948/92819—Location or phase of control
    • B29C2948/92857—Extrusion unit
    • B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
    • B29C2948/92885—Screw or gear
    • 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
    • B29C2948/92819—Location or phase of control
    • B29C2948/92857—Extrusion unit
    • B29C2948/92876—Feeding, melting, plasticising or pumping zones, e.g. the melt itself
    • B29C2948/92895—Barrel or housing

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Laminated Bodies (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)

Abstract

The invention discloses a white polyester film to be coated on the surface of a metal sheet and a manufacturing method thereof. The polyester film consists of modified polyester and TiO2, wherein the modified polyester is m-phthalic acid-modified polyethylene glycol terephthalate, the m-phthalic acid molar content in the modified polyester is 9 to 15 percent, and the mass percentage of the TiO2 is 7 to 30 percent. The invention also discloses the manufacturing method of the polyester film. The polyester film has the characteristics of high tensile strength, high modulus of elasticity, high barrier property, high heat resistance, high cod resistance and simple and convenient manufacturing process, and is suitable to be coated on the surface of the metal sheet for making a tank in place of a white coating process in the conventional tank making.

Description

For being fitted in white polyester film and the manufacture method thereof of metal sheet surface
Technical field
The present invention relates to polyester film technical field, particularly for mental package industry, be fitted in a white biaxial stretching polyester film for metal sheet surface, a kind of for being fitted in steel sheet or thin aluminum sheet surface for single-layer bidirectional stretching white polyester film and the manufacture method thereof of tank processed specifically.
Background technology
The advantage of biaxially oriented polyester film be superpolymer be heated and the work of pulling force under, produced stretch orientation to a certain degree, make molecule or molecular chain ordered arrangement, the polyester film performance after its result makes to stretch improves.Specifically the tensile strength of film, Young's modulus obviously increase, and the smooth finish of film, transparency improve, and because molecular arrangement barrier property in good order makes moderate progress, heat-resisting winter hardiness, dimensional stability improve.
Polyester film is very extensive in the application in soft packaging field, but the application in mental package industry is also fewer.In metal tank industry processed, can body material is generally Tinplate, Tinfree Steelor TFS or thin aluminum sheet, and it is exposed in wet environment and all can gets rusty, so tank needs corrosion protection outward.Simultaneously people also more and more focus on the exterior quality of jar, and paper label or tank are coated with rust proof paint outward and by the outer design and printing of exquisite tank, are replaced gradually, and the glamour that shows personalized demand and brand younger generation's pursuing of goal especially.So existing solution is to smear a coating at the outside surface of tank metallic substance processed, whitewashing can fourth, then on the surface of coating, carries out multicolor printing.But whitewash, can fourth technique also there be some shortcomings, poisonous and harmful organic solvent volatilization in coating process, coating price is higher, coating apparatus and complex process.Consider the features such as polyester film physical strength is high, good in optical property, use temperature is wide, barrier property is good, oil resistant, corrosion-resistant, cost is low, polyester film is fitted in to metal sheet surface, and to replace the coating process in metal tank processed be the another new focus of world's thin film fabrication industry and mental package industry research, so exploitation is applicable to being fitted in, polyester film that metal sheet surface is used for manufacturing tank body is that market outlook are boundless, the research new technology in the starting stage still.
Patent CN101381508A is day on March 11st, 2009 openly, has introduced a kind of white biaxial stretching polyester film and production method thereof.The raw material of this polyester film has been used polyester to have greatly light section, white master batch, toning agent, stablizer, what this polyester film was mainly considered is shading performance, polyester in raw material does not have modification, cause fusing point too high, in the course of processing, crystallization velocity is relatively too fast, is not suitable for film thermal to fit in metal sheet surface and following process; Polyester in raw material does not pass through modification simultaneously, and the fabrication process parameters of film also has difference, and method of the present invention is relatively low.
Patent CN1126139A is day on July 10th, 1996 openly, has introduced a kind of polyester film for thin metal layer and covered.The purposes of the white polyester film described in this patent is to be bonded in metal sheet surface, very similar to purposes of the present invention.This polyester film is bilayer structure, modified poly ester is different from the modified poly ester that the present invention adopts, shortcoming is: polyester and steel sheet or thin aluminum sheet hot paste are closed excess Temperature, and double membrane structure easily causes layering between film and metal substrate, comes off in follow-up can manufacturing technology process.
Patent CN1327462A is day December 19 calendar year 2001 openly, has introduced a kind of Biaxially stretched polyester film for forming.The purposes of the polyester film described in this patent is very similar to the present invention.But the polyester in its raw material does not pass through modification, cause fusing point too high, in the course of processing, crystallization velocity is relatively too fast, is not suitable for this film thermal to fit in metal sheet surface and following process.
Summary of the invention
In order to overcome the volatilization of poisonous and harmful organic solvent in coating process, coating price is higher, coating apparatus and complex process, conventional polyester film fusing point is higher is not suitable for being fitted in metallic film surface, the layering that multi-layered polyester film and metal sheet laminating may cause with the problem such as come off.The invention provides a kind of for being fitted in white polyester film and the manufacture method thereof of metal sheet surface.
The technical solution adopted for the present invention to solve the technical problems is: provide a kind of for being fitted in the white polyester film of metal sheet surface, this polyester film is by modified poly ester and TiO 2form, the polyethylene terephthalate that wherein modified poly ester is isophthalate modified, in modified poly ester, the content mol ratio of m-phthalic acid is at 9%～15%, TiO 2massfraction be 7%～30%.
In order to obtain above-mentioned white polyester film, manufacture method of the present invention is comprised of following processing step, and the first step is prepared modified poly ester greatly light section and TiO 2master batch, it is the polyethylene terephthalate of isophthalate modified that modified poly ester has greatly light section, the content mol ratio of m-phthalic acid is at 9%～15%, TiO 2at TiO 2massfraction in master batch is 30%～40%, TiO 2all the other polyethylene terephthalates that are aforesaid isophthalate modified in master batch, second step is manufactured white polyester film, first modified poly ester is had greatly to light section and TiO 2master batch is dried on ebullated bed, 130 ℃～150 ℃ of bake out temperatures, and drying time 4 hours, then 80～30 parts of modified poly esters after drying are had greatly to light section and 20～70 parts of TiO 2master batch fully mixes by single screw extrusion machine and extrudes, extruding dies is individual layer mouth mould, extrusion temperature is 120 ℃～260 ℃, screw speed is 60～120 turn/min, extrude rear chilling and become slab, slab gauge control is at 0.1mm～0.4mm, slab is through longitudinal stretching, cross directional stretch film forming, indulging draws preheating temperature at 80 ℃～120 ℃, stretch ratio 3.0～4.5, the horizontal preheating temperature of drawing is at 90 ℃～150 ℃, stretch ratio 3.0～4.5, film after stretching is 160 ℃～210 ℃ heat setting types, heat-setting time 5S～15S, film after heat setting type carries out cooling, rolling and cutting.
In order to make white polyester film be suitable for being fitted in metal sheet surface, need to reduce the fusing point of polyester film, improve the crystallizing power of thin-film material, guarantee that film obtains moderate degree of crystallinity and crystallization velocity, the bonding force between reinforced polyester film and metal substrate in following process process.The present invention has adopted the polyethylene terephthalate through isophthalate modified, and wherein the content mol ratio of m-phthalic acid is 9%～15%, and the fusing point of modified poly ester is at 210 ℃～230 ℃, and second-order transition temperature is at 60 ℃～80 ℃.Because the use of this film is in order to carry out multicolor printing on its surface, only having background color is white, the spectrum of all kinds in reflected white-light completely, and each color ink that is printed on its surface is quality accurately, is chosen in and in polyester film, adds TiO 2so that polyester film becomes white, TiO 2massfraction be 7%～30%, preferably 7%～25%, TiO simultaneously 2add and increased surfaceness and can also prevent the adhesion between polyester film, the thickness of this white polyester film is 12 μ m～22 μ m, the percent thermal shrinkage of 190 ℃, 10 minutes is 4%～7%, polyester film can be in 200 ℃～250 ℃ thermal-adhering on the surface of steel sheet or thin aluminum sheet.
First manufacture film will prepare modified poly ester greatly light section and TiO 2master batch, by TiO 2with TiO 2the form of master batch adds can make its good dispersion in polyester film, TiO 2tiO in master batch 2massfraction be 30%～40%, in order to make TiO 2master batch and modified poly ester have greatly between light section and have good intermiscibility, TiO 2the matrix resin of master batch is the polyethylene terephthalate of aforesaid isophthalate modified.Modified poly ester has greatly light section and TiO 2the add-on summation of master batch is 100 parts, if i.e. TiO 2the add-on of master batch is 30 parts, and the add-on that modified poly ester has greatly light to cut into slices is 70 parts.In order to make the thickness of polyester film at 12 μ m～22 μ m, in the manufacturing processed of this polyester film, the slab thickness after chilling should be controlled at 0.1mm～0.4mm and coordinate stretch ratio 3.0～4.5.When carrying out drawing process, to indulge and draw preheating temperature at 80 ℃～120 ℃, the horizontal preheating temperature of drawing is at 90 ℃～150 ℃.Can according to the concrete use of film need to be after cooling step, film is carried out to corona treatment before rolling step.
The invention has the beneficial effects as follows: this white polyester film has that physical strength is high, use temperature is wide, barrier property is good, oil resistant, the feature such as corrosion-resistant, with low cost; Use the method to manufacture white polyester film simple and convenient, substituting original whitewashing can fourth technique, and energy-conserving and environment-protective are polluted little; Fitted in metal sheet surface and following process process between film and metal substrate in conjunction with firmly, non-scale, wrinkling, layering, come off.
Embodiment
Embodiment 1
Composition of raw materials:
Modified poly ester has greatly light section: the polyethylene terephthalate of isophthalate modified, and the content mol ratio of m-phthalic acid is 9%,
TiO 2master batch: TiO 2massfraction be 35%, the polyethylene terephthalate that matrix is above-mentioned isophthalate modified.
According to above formula, prepare modified poly ester and have greatly light section and TiO 2master batch, has greatly light section and TiO by modified poly ester 2master batch is dried on ebullated bed, 135 ℃ of bake out temperatures, drying time 4 hours.
Raw material test:
Modified poly ester has greatly the fusing point of light section at 210 ℃～230 ℃, and second-order transition temperature is at 60 ℃～80 ℃, TiO 2tiO in master batch 2massfraction be 35%.
Manufacture film:
80 parts of modified poly esters after drying are had greatly to light section and 20 parts of TiO 2master batch fully mixes by single screw extrusion machine and extrudes, extruding dies is individual layer mouth mould, each section of Heating temperature of extruder screw is 120 ℃, 245 ℃, 250 ℃, 255 ℃, 260 ℃ (from spouts to a mouthful mould direction), screw speed is 100 turn/min, extrude rear chilling and become slab, slab thickness is 0.2mm.Slab first longitudinal stretching, it is vertical that to draw preheating temperature be 90 ℃, stretch ratio 3.5, cross directional stretch then, the horizontal preheating temperature of drawing is 120 ℃, stretch ratio 3.5.Film after stretching is 180 ℃ of heat setting types, heat-setting time 10S, and that last film carries out is cooling, rolling and cutting.
Performance test:
Figure GDA0000464661360000041
Figure GDA0000464661360000051
Embodiment 2
Composition of raw materials:
Modified poly ester has greatly light section: the polyethylene terephthalate of isophthalate modified, and the content mol ratio of m-phthalic acid is 12%,
TiO 2master batch: TiO 2massfraction be 35%, the polyethylene terephthalate that matrix is above-mentioned isophthalate modified.
According to above formula, prepare modified poly ester and have greatly light section and TiO 2master batch, has greatly light section and TiO by modified poly ester 2master batch is dried on ebullated bed, 135 ℃ of bake out temperatures, drying time 4 hours.
Raw material test:
Modified poly ester has greatly the fusing point of light section at 210 ℃～230 ℃, and second-order transition temperature is at 60 ℃～80 ℃, TiO 2tiO in master batch 2massfraction be 35%.
Manufacture film:
Process for making is identical with embodiment 1.
Performance test:
Figure GDA0000464661360000052
Embodiment 3
Composition of raw materials:
Modified poly ester has greatly light section: the polyethylene terephthalate of isophthalate modified, and the content mol ratio of m-phthalic acid is 15%,
TiO 2master batch: TiO 2massfraction be 35%, the polyethylene terephthalate that matrix is above-mentioned isophthalate modified.
According to above formula, prepare modified poly ester and have greatly light section and TiO 2master batch, has greatly light section and TiO by modified poly ester 2master batch is dried on ebullated bed, 135 ℃ of bake out temperatures, drying time 4 hours.
Raw material test:
Modified poly ester has greatly the fusing point of light section at 210 ℃～230 ℃, and second-order transition temperature is at 60 ℃～80 ℃, TiO 2tiO in master batch 2massfraction be 35%.
Manufacture film:
Process for making is identical with embodiment 1.
Performance test:
Figure GDA0000464661360000061
Embodiment 4
Composition of raw materials:
Modified poly ester has greatly light section: the polyethylene terephthalate of isophthalate modified, and the content mol ratio of m-phthalic acid is 12%,
TiO 2master batch: TiO 2massfraction be 35%, the polyethylene terephthalate that matrix is above-mentioned isophthalate modified.
According to above formula, prepare modified poly ester and have greatly light section and TiO 2master batch, has greatly light section and TiO by modified poly ester 2master batch is dried on ebullated bed, 135 ℃ of bake out temperatures, drying time 4 hours.
Raw material test:
Modified poly ester has greatly the fusing point of light section at 210 ℃～230 ℃, and second-order transition temperature is at 60 ℃～80 ℃, TiO 2tiO in master batch 2massfraction be 35%.
Manufacture film:
Manufacturing film selects 55 parts of modified poly esters to have greatly light section and 45 parts of TiO 2master batch, process for making is identical with embodiment 1.
Performance test:
Figure GDA0000464661360000071
Embodiment 5
Composition of raw materials:
Modified poly ester has greatly light section: the polyethylene terephthalate of isophthalate modified, and the content mol ratio of m-phthalic acid is 12%,
TiO 2master batch: TiO 2massfraction be 35%, the polyethylene terephthalate that matrix is above-mentioned isophthalate modified.
According to above formula, prepare modified poly ester and have greatly light section and TiO 2master batch, has greatly light section and TiO by modified poly ester 2master batch is dried on ebullated bed, 135 ℃ of bake out temperatures, drying time 4 hours.
Raw material test:
Modified poly ester has greatly the fusing point of light section at 210 ℃～230 ℃, and second-order transition temperature is at 60 ℃～80 ℃, TiO 2tiO in master batch 2massfraction be 35%.
Manufacture film:
Manufacturing film selects 30 parts of modified poly esters to have greatly light section and 70 parts of TiO 2master batch, process for making is identical with embodiment 1.After cooling step, before rolling step, film is carried out to corona treatment.
Performance test:
Embodiment 6
Composition of raw materials:
Modified poly ester has greatly light section: the polyethylene terephthalate of isophthalate modified, and the content mol ratio of m-phthalic acid is 12%,
TiO 2master batch: TiO 2massfraction be 40%, the polyethylene terephthalate that matrix is above-mentioned isophthalate modified.
According to above formula, prepare modified poly ester and have greatly light section and TiO 2master batch, has greatly light section and TiO by modified poly ester 2master batch is dried on ebullated bed, 135 ℃ of bake out temperatures, drying time 4 hours.
Raw material test:
Modified poly ester has greatly the fusing point of light section at 210 ℃～230 ℃, and second-order transition temperature is at 60 ℃～80 ℃, TiO 2tiO in master batch 2massfraction be 40%.
Manufacture film:
Manufacturing film selects 50 parts of modified poly esters to have greatly light section and 50 parts of TiO 2master batch, process for making is identical with embodiment 1.Just slab thickness is 0.3mm, and horizontal Lapie and vertical Lapie are 4.0.After cooling step, before rolling step, film is carried out to corona treatment.
Performance test:
Figure GDA0000464661360000082
Figure GDA0000464661360000091
By the prepared white polyester film of embodiment 1～6 under 240 ℃, 6Kg pressure respectively thermal-adhering on the thick Tinfree Steelor TFS of 0.20mm surface, by punching cup experimental machine, the Tinfree Steelor TFS of the white polyester film of having fitted is washed into the cup-shaped sample of diameter 30mm, dark 8mm, in impact process between film and metal substrate without separated, unsticking.This cup-shaped sample is placed in to 121 ℃ of distilled water boiling 30min, film surface is wrinkle resistant, not with metal substrate between separated.This cup-shaped sample is placed in to 121 ℃, boiling 30min in 3% acetum, film surface is wrinkle resistant, not with metal substrate between separated.
By the prepared white polyester film of embodiment 1～6 under 240 ℃, 6Kg pressure respectively thermal-adhering in 0.20mm thickness surface of aluminum plate, by punching cup experimental machine, the thin aluminum sheet of the white polyester film of having fitted is washed into the cup-shaped sample of diameter 30mm, dark 8mm, in impact process between film and metal substrate without separated, unsticking.This cup-shaped sample is placed in to 121 ℃ of distilled water boiling 30min, film surface is wrinkle resistant, not with metal substrate between separated.This cup-shaped sample is placed in to 121 ℃, boiling 30min in 3% acetum, film surface is wrinkle resistant, not with metal substrate between separated.
By the prepared white polyester film of embodiment 1～6 under 210 ℃, 6Kg pressure respectively thermal-adhering on the thick Tinplate of 0.20mm surface, by punching cup experimental machine, the Tinplate of the white polyester film of having fitted is washed into the cup-shaped sample of diameter 30mm, dark 8mm, in impact process between film and metal substrate without separated, unsticking.This cup-shaped sample is placed in to 121 ℃ of distilled water boiling 30min, film surface is wrinkle resistant, not with metal substrate between separated.This cup-shaped sample is placed in to 121 ℃, boiling 30min in 3% acetum, film surface is wrinkle resistant, not with metal substrate between separated.
Above implementation process can illustrate that white polyester film provided by the present invention can be fitted in steel sheet and thin aluminum sheet surface, is applicable to following process.

Claims (4)

1. for being fitted in a white polyester film for metal sheet surface, be single-layer bidirectional oriented polyester film, it is characterized in that:
The composition of raw materials of this white polyester film:
Modified poly ester has greatly light section: the polyethylene terephthalate of isophthalate modified, and the content mol ratio of m-phthalic acid is 12%; TiO 2master batch: TiO 2massfraction be 35%, the polyethylene terephthalate that matrix is above-mentioned isophthalate modified; According to above formula, prepare modified poly ester and have greatly light section and TiO 2master batch, has greatly light section and TiO by modified poly ester 2master batch is dried on ebullated bed, 135 ℃ of bake out temperatures, drying time 4 hours; Modified poly ester has greatly the fusing point of light section at 210 ℃～230 ℃, and second-order transition temperature is at 60 ℃～80 ℃;
Manufacture the method for above-mentioned raw materials formula white polyester film: 80 parts of modified poly esters after drying are had greatly to light section and 20 parts of TiO 2master batch fully mixes by single screw extrusion machine and extrudes, extruding dies is individual layer mouth mould, each section of Heating temperature of extruder screw is 120 ℃, 245 ℃, 250 ℃, 255 ℃, 260 ℃, from spout to a mouthful mould direction, screw speed is 100 turn/min, extrude rear chilling and become slab, slab thickness is 0.2mm; Slab first longitudinal stretching, vertical to draw preheating temperature be 90 ℃, stretch ratio 3.5, then cross directional stretch, the horizontal preheating temperature of drawing is 120 ℃, stretch ratio 3.5, and the film after stretching is 180 ℃ of heat setting types, heat-setting time 10s, that last film carries out is cooling, rolling and cutting; The thickness of this polyester film is 15 μ m; This polyester film is 5.1% at longitudinal percent thermal shrinkage of 190 ℃, 10 minutes, and laterally percent thermal shrinkage is 4.5%; TiO in this polyester film 2massfraction be 7%; The longitudinal fracture elongation of this polyester film is 101%, and transverse breakage elongation is 93%.
2. for being fitted in a white polyester film for metal sheet surface, be single-layer bidirectional oriented polyester film, it is characterized in that:
The composition of raw materials of this white polyester film:
Modified poly ester has greatly light section: the polyethylene terephthalate of isophthalate modified, and the content mol ratio of m-phthalic acid is 12%; TiO 2master batch: TiO 2massfraction be 35%, the polyethylene terephthalate that matrix is above-mentioned isophthalate modified; According to above formula, prepare modified poly ester and have greatly light section and TiO 2master batch, has greatly light section and TiO by modified poly ester 2master batch is dried on ebullated bed, 135 ℃ of bake out temperatures, drying time 4 hours; Modified poly ester has greatly the fusing point of light section at 210 ℃～230 ℃, and second-order transition temperature is at 60 ℃～80 ℃;
Manufacture the method for above-mentioned raw materials formula white polyester film: 55 parts of modified poly esters after drying are had greatly to light section and 45 parts of TiO 2master batch fully mixes by single screw extrusion machine and extrudes, extruding dies is individual layer mouth mould, each section of Heating temperature of extruder screw is 120 ℃, 245 ℃, 250 ℃, 255 ℃, 260 ℃, from spout to a mouthful mould direction, screw speed is 100 turn/min, extrude rear chilling and become slab, slab thickness is 0.2mm; Slab first longitudinal stretching, it is vertical that to draw preheating temperature be 90 ℃, stretch ratio 3.5, cross directional stretch then, the horizontal preheating temperature of drawing is 120 ℃, stretch ratio 3.5, the film after stretching is at 180 ℃ of heat setting types, heat-setting time 10 s, that last film carries out is cooling, rolling and cutting; The thickness of this polyester film is 15 μ m; This polyester film is 5.3% at longitudinal percent thermal shrinkage of 190 ℃, 10 minutes, and laterally percent thermal shrinkage is 4.5%; TiO in this polyester film 2massfraction be 16%; The longitudinal fracture elongation of this polyester film is 93%, and transverse breakage elongation is 89%.
3. for being fitted in a white polyester film for metal sheet surface, be single-layer bidirectional oriented polyester film, it is characterized in that:
The composition of raw materials of this white polyester film:
Modified poly ester has greatly light section: the polyethylene terephthalate of isophthalate modified, and the content mol ratio of m-phthalic acid is 12%; TiO 2master batch: TiO 2massfraction be 35%, the polyethylene terephthalate that matrix is above-mentioned isophthalate modified; According to above formula, prepare modified poly ester and have greatly light section and TiO 2master batch, has greatly light section and TiO by modified poly ester 2master batch is dried on ebullated bed, 135 ℃ of bake out temperatures, drying time 4 hours; Modified poly ester has greatly the fusing point of light section at 210 ℃～230 ℃, and second-order transition temperature is at 60 ℃～80 ℃;
Manufacture the method for above-mentioned raw materials formula white polyester film: 30 parts of modified poly esters after drying are had greatly to light section and 70 parts of TiO 2master batch fully mixes by single screw extrusion machine and extrudes, extruding dies is individual layer mouth mould, each section of Heating temperature of extruder screw is 120 ℃, 245 ℃, 250 ℃, 255 ℃, 260 ℃, from spout to a mouthful mould direction, screw speed is 100 turn/min, extrude rear chilling and become slab, slab thickness is 0.2mm; Slab first longitudinal stretching, vertical to draw preheating temperature be 90 ℃, stretch ratio 3.5, then cross directional stretch, the horizontal preheating temperature of drawing is 120 ℃, stretch ratio 3.5, and the film after stretching is 180 ℃ of heat setting types, heat-setting time 10s, that last film carries out is cooling, corona treatment, rolling and cut; The thickness of this polyester film is 16 μ m; This polyester film is 5.4% at longitudinal percent thermal shrinkage of 190 ℃, 10 minutes, and laterally percent thermal shrinkage is 4.9%; TiO in this polyester film 2massfraction be 25%; The longitudinal fracture elongation of this polyester film is 90%, and transverse breakage elongation is 87%.
4. for being fitted in a white polyester film for metal sheet surface, be single-layer bidirectional oriented polyester film, it is characterized in that:
The composition of raw materials of this white polyester film:
Modified poly ester has greatly light section: the polyethylene terephthalate of isophthalate modified, and the content mol ratio of m-phthalic acid is 12%; TiO 2master batch: TiO 2massfraction be 40%, the polyethylene terephthalate that matrix is above-mentioned isophthalate modified; According to above formula, prepare modified poly ester and have greatly light section and TiO 2master batch, has greatly light section and TiO by modified poly ester 2master batch is dried on ebullated bed, 135 ℃ of bake out temperatures, drying time 4 hours; Modified poly ester has greatly the fusing point of light section at 210 ℃～230 ℃, and second-order transition temperature is at 60 ℃～80 ℃;
Manufacture the method for above-mentioned raw materials formula white polyester film: 50 parts of modified poly esters after drying are had greatly to light section and 50 parts of TiO 2master batch fully mixes by single screw extrusion machine and extrudes, extruding dies is individual layer mouth mould, each section of Heating temperature of extruder screw is 120 ℃, 245 ℃, 250 ℃, 255 ℃, 260 ℃, from spout to a mouthful mould direction, screw speed is 100 turn/min, extrude rear chilling and become slab, slab thickness is 0.3mm; Slab first longitudinal stretching, vertical to draw preheating temperature be 90 ℃, stretch ratio 4.0, then cross directional stretch, the horizontal preheating temperature of drawing is 120 ℃, stretch ratio 4.0, and the film after stretching is 180 ℃ of heat setting types, heat-setting time 10s, that last film carries out is cooling, corona treatment, rolling and cut; The thickness of this polyester film is 19 μ m; This polyester film is 5.5% at longitudinal percent thermal shrinkage of 190 ℃, 10 minutes, and laterally percent thermal shrinkage is 5.1%; TiO in this polyester film 2massfraction be 20%; The longitudinal fracture elongation of this polyester film is 94%, and transverse breakage elongation is 90%.
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CN102602104A (en) * 2012-02-28 2012-07-25 湖北图新材料科技有限公司 BOPET (biaxially oriented polyester) matte white film substrate for preparing labels and preparation method thereof
CN103387660B (en) * 2012-05-11 2015-08-26 天津华新盈聚酯材料科技有限公司 A kind of preparation method of shrink film polyester slice
CN105619982A (en) * 2015-12-24 2016-06-01 上海联净复合材料技术有限公司 Iron coating film and coated iron adopting same
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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1327462A (en) * 1999-12-03 2001-12-19 东丽株式会社 Biaxially stretched polyester film for forming
CN101381508A (en) * 2008-10-27 2009-03-11 南京金中达新材料有限公司 White biaxial stretching polyester film and production method thereof

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH1060131A (en) * 1996-08-19 1998-03-03 Unitika Ltd White polyester film for metal lamination and process for preparing the same

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1327462A (en) * 1999-12-03 2001-12-19 东丽株式会社 Biaxially stretched polyester film for forming
CN101381508A (en) * 2008-10-27 2009-03-11 南京金中达新材料有限公司 White biaxial stretching polyester film and production method thereof

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
JP特开平10-60131A 1998.03.03

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Address after: 101407 Beijing Huairou District wild goose Industrial Development Zone

Patentee after: Origen Polytron Technologies Inc.

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Denomination of invention: White polyester film for sticking on the surface of metal sheet and its manufacturing method

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