CN109608837A - A kind of polyester-polyolefin film and preparation method thereof - Google Patents

A kind of polyester-polyolefin film and preparation method thereof Download PDF

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Publication number
CN109608837A
CN109608837A CN201811560553.7A CN201811560553A CN109608837A CN 109608837 A CN109608837 A CN 109608837A CN 201811560553 A CN201811560553 A CN 201811560553A CN 109608837 A CN109608837 A CN 109608837A
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mass parts
polyester
polyolefin
film
polyolefin film
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王志娟
马雅琳
张世明
周柯
罗春明
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SICHUAN DONGFANG INSULATING MATERIAL CO Ltd
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SICHUAN DONGFANG INSULATING MATERIAL CO Ltd
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    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/18Manufacture of films or sheets
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2367/00Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
    • C08J2367/02Polyesters derived from dicarboxylic acids and dihydroxy compounds
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2451/00Characterised by the use of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives of such polymers
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2451/00Characterised by the use of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives of such polymers
    • C08J2451/06Characterised by the use of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives of such polymers grafted on to homopolymers or copolymers of aliphatic hydrocarbons containing only one carbon-to-carbon double bond
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/18Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20Oxides; Hydroxides
    • C08K3/22Oxides; Hydroxides of metals
    • C08K2003/2237Oxides; Hydroxides of metals of titanium
    • C08K2003/2241Titanium dioxide
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/34Silicon-containing compounds
    • C08K3/36Silica

Abstract

The invention discloses a kind of polyester-polyolefin films and preparation method thereof, it is characterized in that: the polyester-polyolefin film is the film containing polyethylene terephthalate molecule segment and polyolefin segment, its raw material components and mass parts formula are as follows: 5~10 parts of 769~938.95 parts of polyethylene terephthalate, 50~200 parts of polyolefin, 1~10 part of small molecule compatilizer, 5~10 parts of inorganic particulate and carbodiimides, 0.05~1 part of cumyl peroxide, and the mass parts summation of raw material components is 1000 mass parts;Preparation method is: the graft polyolefin of preparation, inorganic particulate polyester masterbatch, resistant to hydrolysis polyester masterbatch and pet material are mixed the mono-/bis-screw extruder melting extrusion through 270 DEG C~300 DEG C, through slab, biaxial tension and thermal finalization, obtain;The film is used to prepare photovoltaic back, its service life under natural environmental condition can be improved.

Description

A kind of polyester-polyolefin film and preparation method thereof
Technical field
The invention belongs to the preparations of a variety of organic high molecular polymer resin composite materials and its film, are related to a kind of poly- Ester-polyolefin film and preparation method thereof.Polyester-polyolefin film of the present invention can be used for preparing photovoltaic back, to improve it Service life and electric property of the solar film battery under various natural environmental conditions.
Background technique
Polyester film has excellent electrical insulation properties, hot property and mechanical property, is applied to solar battery, electronics Many fields such as electrical.But compared with polyolefin film, the moisture-vapor transmission of polyester film is higher, and electric property is poor.And The mechanical strength of polyolefin film is lower, is not used to need the field of certain support strength.Therefore, solar energy backboard base at present Film field uses polyester film.In the prior art, many patents of invention (application) have studied the water for how reducing polyester film Vapor transmission rates, but not having for its electric property is improved simultaneously, and method is complicated, higher cost.Such as: CN105585726A A kind of high-barrier polyester film and preparation method thereof is disclosed, after tying up to the single or double coating PVDC coating fluid of polyester film Solidification, to reduce moisture-vapor transmission, can be used for packaging field;CN104263273A discloses a kind of high-barrier polyester film And its preparation method and application, be polyethylene naphthalate film and polyester film are carried out it is compound, to reduce water steaming Vapor permeability can be used for food and drink packaging;CN102225648A discloses a kind of high-barrier polyester film and preparation method thereof, It is barrier property polyethylene terephthalate being blended with polyethylene naphthalate to improve film to vapor.On State in method coating with it is compound be but its complex process using more method, material cost is higher, is not able to satisfy photovoltaic industry Requirement to cost, and the electric property of film can not be improved simultaneously.
Summary of the invention
The purpose of the present invention is intended to overcome deficiency in the prior art, provides a kind of polyester-polyolefin film and its preparation Method.Small molecule compatilizer is grafted on molecular polyolefin chain by the present invention, then is film-made with polyester blend, to provide a kind of production Product polyester-polyolefin film of good performance and preparation method thereof.
The contents of the present invention are: a kind of polyester-polyolefin film, it is characterized in that: the polyester-polyolefin film is containing poly- The film of ethylene glycol terephthalate molecule segment and polyolefin segment;
The raw material components and mass parts formula of the polyester-polyolefin film are as follows: polyethylene terephthalate 769~ 938.95 mass parts, 50~200 mass parts of polyolefin, 1~10 mass parts of small molecule compatilizer, 5~10 mass parts of inorganic particulate With 5~10 mass parts of carbodiimides, 0.05~1 mass parts of cumyl peroxide, and the mass parts summation of raw material components For 1000 mass parts;
The basic preparation process of the polyester-polyolefin film are as follows: with the raw material components of the polyester-polyolefin film and Mass parts formula is ingredient benchmark meter (or: counting by ingredient benchmark of 1000 mass parts);Firstly, 50~200 mass parts are gathered After alkene is mixed with 1~10 mass parts small molecule compatilizer, 0.05~1 mass parts cumyl peroxide, 220 DEG C~230 DEG C double screw extruder A in carry out melting graft reaction, through extruding pelletization, be prepared into graft polyolefin;Second step, by 5~ After 10 mass parts inorganic particulates are mixed with 100~200 mass parts polyethylene terephthalates, in 270 DEG C~300 DEG C of pair Melting mixing is carried out in screw extruder B, through extruding pelletization, is prepared into inorganic particulate polyester masterbatch;Third step, by 5~10 matter After amount part carbodiimides is mixed with the polyethylene terephthalate of 50~100 mass parts, in 270 DEG C~300 DEG C of pair Melting mixing is carried out in screw extruder C, through extruding pelletization, is prepared into resistant to hydrolysis polyester masterbatch;Then, connecing above-mentioned preparation Branch polyolefin dry 2h at 100 DEG C, by the above-mentioned inorganic particulate polyester masterbatch prepared, resistant to hydrolysis polyester masterbatch and 469~ 788.95 mass parts polyethylene terephthalates dry 2~3h in 150 DEG C~170 DEG C of constant temperature convection oven respectively Afterwards, then together be uniformly mixed and in 270 DEG C~300 DEG C of mono-/bis-screw extruder D melting extrusion, through slab, biaxial tension and Thermal finalization obtains polyester-polyolefin film;
The polyethylene terephthalate is 0.74 ± 0.02dl/g of inherent viscosity, content of carboxyl end group≤25mol/t, The polyester slice that 250~260 DEG C of fusing point;
The polyolefin is the polyolefin of melt index 1~15g/10min at 230 DEG C;
The small molecule compatilizer can be maleic anhydride, butyl acrylate, methyl methacrylate, acrylic acid hydroxyl second The mixture of one or more of ester and glycidyl methacrylate;Wherein, the Glycidyl methacrylate Glyceride is that the trade mark of DOW Chemical is the glycidyl methacrylate of GMA;
The inorganic particulate can be silica (SiO2), titanium dioxide (TiO2One or both of), the dioxy Silica (the SiO that SiClx is 0.3~5 μm of average grain diameter2) powder body material, the titanium dioxide (or titanium dioxide) is average 0.2~0.3 μm of partial size of titanium dioxide (TiO2) powder body material;
In the contents of the present invention: the physical structure and performance of the polyester-polyolefin film are as follows: the polyester-polyolefin Film has stratiform dispersed structure, and film thickness is 50 μm~350 μm, moisture-vapor transmission and breakdown potential under each thickness Pressure see the table below 1:
Table 1:
In the contents of the present invention: the polyester slice can be the offer of Yizheng Chemical Co., Ltd., China Petrochemical Corporation The trade mark be FG720 polyethylene terephthalate slice.
In the contents of the present invention: the polyolefin can be ethylene-vinyl alcohol copolymer (abbreviation EVOH), cyclic polyolefin (abbreviation COC), low density polyethylene (LDPE) (abbreviation LDPE), linear low density polyethylene (abbreviation LLDPE) and polypropylene are (referred to as One or more of) PP mixture;
The ethylene-vinyl alcohol copolymer (abbreviation EVOH) is that the trade mark that synthesis Chemical Co., Ltd., Japan provides is The ethylene-vinyl alcohol copolymer of TF2905B;The cyclic polyolefin (abbreviation COC) is the board that Polyplastics Co., Ltd provides Number be 9506 cyclic polyolefin;The polypropylene (abbreviation PP) is that Sinopec Group Maoming petrochemical industry Co., Ltd provides The trade mark be B4901 polypropylene;The low density polyethylene (LDPE) (abbreviation LDPE) is that Sinopec Shanghai petrochemical industry share has The trade mark that limit company provides is the low density polyethylene (LDPE) of Q281;The linear low density polyethylene (abbreviation LLDPE) is Chinese stone The trade mark that oily chemical inc provides is the linear low density polyethylene of 7042N.
Another content of the invention is: a kind of preparation method of polyester-polyolefin film, it is characterized in that step are as follows:
A, ingredient (being counted by ingredient benchmark of 1000 mass parts): by 769~938.95 matter of polyethylene terephthalate Measure part, 50~200 mass parts of polyolefin, 1~10 mass parts of small molecule compatilizer, 5~10 mass parts of inorganic particulate and carbonization two 5~10 mass parts of imines, 0.05~1 mass parts of cumyl peroxide take each raw material component, and the mass parts of raw material components Summation is 1000 mass parts;
The polyolefin is the polyolefin of melt index 1~15g/10min at 230 DEG C;
The polyethylene terephthalate is 0.74 ± 0.02dl/g of inherent viscosity, content of carboxyl end group≤25mol/t, The polyester slice that 250~260 DEG C of fusing point;
The small molecule compatilizer can be maleic anhydride, butyl acrylate, methyl methacrylate, acrylic acid hydroxyl second The mixture of one or more of ester and glycidyl methacrylate;Wherein, the Glycidyl methacrylate Glyceride is that the trade mark of DOW Chemical is the glycidyl methacrylate of GMA;
The inorganic particulate can be silica (SiO2), titanium dioxide (TiO2One or both of), the dioxy Silica (the SiO that SiClx is 0.3~5 μm of average grain diameter2) powder body material, the titanium dioxide (or titanium dioxide) is average 0.2~0.3 μm of partial size of titanium dioxide (TiO2) powder body material;
B, graft polyolefin is prepared:
By 50~200 mass parts polyolefin and 1~10 mass parts small molecule compatilizer, 0.05~1 mass parts peroxidating two Isopropylbenzene mixing after, in the double screw extruder A that revolving speed is 100~120r/min, extrusion temperature is 220 DEG C~230 DEG C into Row fusion-grafting simultaneously squeezes out, and graft polyolefin is made in pelletizing under water, spare;
C, inorganic particulate polyester masterbatch is prepared:
By the polyethylene terephthalate of 100~200 mass parts in 150 DEG C~170 DEG C of constant temperature convection oven After dry 2~3h, mix with 5~10 mass parts inorganic particulates, through revolving speed be 100~120r/min, 270 DEG C of extrusion temperature~ 300 DEG C of double screw extruder B melting extrusion, pelletizing is granulated under water, and inorganic particulate polyester masterbatch is made, spare;
D, resistant to hydrolysis polyester masterbatch is prepared:
The polyethylene terephthalate of 50~100 mass parts is done in 150 DEG C~170 DEG C of constant temperature convection oven It is 100~120r/min through revolving speed after dry 2~3h, then after being mixed with 5~10 mass parts carbodiimides, 270 DEG C of extrusion temperature ~300 DEG C of double screw extruder C melting extrusion is granulated, resistant to hydrolysis polyester masterbatch is made, spare;
E, polyester-polyolefin film is prepared:
Graft polyolefin prepared by step b dry 2h~3h, nothing prepared by step c at a temperature of 100 DEG C~110 DEG C Resistant to hydrolysis polyester masterbatch and 469~788.95 mass parts polyethylene terephthalates prepared by machine particle polyester masterbatch, step d Ester dry 2~3h in (constant temperature air blast) baking oven of 150 DEG C~170 DEG C temperature respectively, then by dried graft polyolefin, After inorganic particulate polyester masterbatch, resistant to hydrolysis polyester masterbatch and pet material mixing, through revolving speed 40~ 270 DEG C~300 DEG C 100r/min, extrusion temperature mono-/bis-screw extruder D are squeezed out, after 0 DEG C~20 DEG C cold founding pieces of temperature, Slab is first 75 DEG C~85 DEG C preheatings through temperature, then through temperature be 120 DEG C~130 DEG C, draw ratio is 2.5~3.5 times of progress Longitudinal stretching, then through temperature be 120 DEG C~160 DEG C, draw ratio is 2.5~3.5 times and carries out after stretching horizontally, in setting temperature It is thin that (with a thickness of 50 μm~350 μm) polyester-polyolefin is made in 200 DEG C~230 DEG C, progress thermal finalization in 5~15 seconds, winding Film.
In another content of the invention: the physical structure and performance of the obtained polyester-polyolefin film are as follows: described poly- Ester-polyolefin film has stratiform dispersed structure, and film thickness is 50 μm~350 μm, and the vapor under each thickness penetrates Rate and breakdown voltage see the table below 1:
Table 1:
In another content of the invention: the polyester slice can be Yizheng Chemical Co., Ltd., China Petrochemical Corporation The trade mark of offer is the polyethylene terephthalate slice of FG720.
In another content of the invention: it is poly- that the polyolefin can be ethylene-vinyl alcohol copolymer (abbreviation EVOH), ring-type Alkene (abbreviation COC), low density polyethylene (LDPE) (abbreviation LDPE), linear low density polyethylene (abbreviation LLDPE) and polypropylene The mixture of one or more of (abbreviation PP);
The ethylene-vinyl alcohol copolymer (abbreviation EVOH) is that the trade mark that synthesis Chemical Co., Ltd., Japan provides is The ethylene-vinyl alcohol copolymer of TF2905B;The cyclic polyolefin (abbreviation COC) is the board that Polyplastics Co., Ltd provides Number be 9506 cyclic polyolefin;The polypropylene (abbreviation PP) is that Sinopec Group Maoming petrochemical industry Co., Ltd provides The trade mark be B4901 polypropylene;The low density polyethylene (LDPE) (abbreviation LDPE) is that Sinopec Shanghai petrochemical industry share has The trade mark that limit company provides is the low density polyethylene (LDPE) of Q281;The linear low density polyethylene (abbreviation LLDPE) is Chinese stone The trade mark that oily chemical inc provides is the linear low density polyethylene of 7042N.
Compared with prior art, the present invention have following features and the utility model has the advantages that
(1) using the present invention, the moisture-vapor transmission and 250 μm of conventional polyesters of 250 μm of polyesters polyolefins films of preparation Film compares the more existing conventional polyester film of electric property that can reduce by 50% and polyester-polyolefin film prepared by the present invention It increases;
(2) using the present invention, by the way that small molecule compatilizer is grafted to after molecular polyolefin chain and polyester blend forming layer Shape disperses to increase the diffusion path of hydrone, to reduce the moisture-vapor transmission of polyester film;Basic in guarantee film Under mechanical property and stiffness, moisture-vapor transmission is reduced significantly, and its electrical insulation properties is got well than conventional polyester film;
(3) product of the present invention preparation process is simple, can be realized as using simple extruded bidirectional stretcher;The present invention Polyester-polyolefin film is used to prepare solar cell backboard, and the service life of solar battery in the natural environment can be improved And electrical insulation properties, it is practical.
Specific embodiment
The embodiments given below are intended to further illustrate the invention, but is not to be construed as to the scope of the present invention Limitation, some nonessential improvement and tune that person skilled in art makes the present invention according to the content of aforementioned present invention It is whole, still fall within protection scope of the present invention.
Embodiment 1:
A kind of preparation method of polyester-polyolefin film, step are as follows:
It is in terms of ingredient benchmark by 1000 mass parts (that is: the mass parts summation of whole raw material components is 1000 mass parts);
The preparation of graft polyolefin: by 50~200 mass parts polyolefin and 1~10 mass parts small molecule compatilizer, 0.05 ~1 mass parts cumyl peroxide mixing after, revolving speed be 100~120r/min (revolving speed 1), extrusion temperature be 220 DEG C~ Fusion-grafting is carried out in 230 DEG C (temperature 1) of double screw extruder A and is squeezed out, underwater cutpellet, and graft polyolefin is made, it is spare;
The preparation of inorganic particulate polyester masterbatch: by the polyethylene terephthalate of 100~200 mass parts at 150 DEG C It in~170 DEG C (temperature 2) of constant temperature convection oven after dry 2~3h (time 1), mixes, passes through with 5~10 mass parts inorganic particulates Revolving speed is 100~120r/min (revolving speed 2), and the double screw extruder B melting of 270 DEG C~300 DEG C of extrusion temperature (temperature 3) is squeezed Out, inorganic particulate polyester masterbatch is made in underwater cutpellet, spare;
The preparation of resistant to hydrolysis polyester masterbatch: by the polyethylene terephthalate of 50~100 mass parts 150 DEG C~ In 170 DEG C (temperature 4) of constant temperature convection oven after dry 2~3h (time 2), then mix with 5~10 mass parts carbodiimides It afterwards, is 100~120r/min (revolving speed 3) through revolving speed, the double screw extruder C of 270 DEG C~300 DEG C of extrusion temperature (temperature 5) is molten Melt extrusion, resistant to hydrolysis polyester masterbatch is made in underwater cutpellet, spare;
The preparation of polyester-polyolefin film: by the above-mentioned graft polyolefin prepared under 100 DEG C~110 DEG C (temperature 6) It is dry 2h-3h (time 3), inorganic particulate polyester masterbatch, resistant to hydrolysis polyester masterbatch and 469~788.95 mass parts are poly- to benzene two The drying 2~3h (time 4) in 150 DEG C~170 DEG C (temperature 7) of constant temperature convection oven respectively of formic acid glycol ester, then will be upper State dried graft polyolefin, inorganic particulate polyester masterbatch, resistant to hydrolysis polyester masterbatch and polyethylene terephthalate After material mixing, through 40~100r/min of revolving speed (revolving speed 4), 270 DEG C~300 DEG C (temperature 8) mono-/bis-Screw Extrusions of extrusion temperature Machine squeezes out, and after the cold founding piece of 0 DEG C~20 DEG C of temperature (temperature 9), slab is first 75 DEG C~85 DEG C (temperature 10) preheatings through temperature, Temperature is 120 DEG C~130 DEG C (temperature 11) again, draw ratio is that 2.5~3.5 (draw ratios 1) times carry out longitudinal stretching, then pass through Temperature is 120 DEG C~160 DEG C (temperature 12), draw ratio is that 2.5~3.5 (draw ratios 2) times carry out after stretching horizontally, fixed 200 DEG C~230 DEG C of type temperature (temperature 13), 5~15 seconds (time 5) carry out thermal finalization, winding, be made with a thickness of 50 μm~ 350 μm of the polyester film that blocks water.
The polyolefin is the polyolefin of melt index 1~15g/10min at 230 DEG C, including ethylene vinyl alcohol copolymer Object (EVOH), cyclic polyolefin (COC), low density polyethylene (LDPE) (LDPE), linear low density polyethylene (LLDPE), polypropylene One or more of (PP) mixture;Wherein, the optional Japanese synthesisization of the ethylene-vinyl alcohol copolymer (EVOH) Co., Ltd is learned, the trade mark is the ethylene-vinyl alcohol copolymer of TF2905B;The optional Polyplastics of the cyclic polyolefin (COC) has Limit company, the cyclic polyolefin that the trade mark is 9506;The polypropylene (PP) can be limited with Sinopec Group Maoming petrochemical industry Company, the trade mark are the polypropylene of B4901;The optional Sinopec Shanghai petrochemical industry share of low density polyethylene (LDPE) (LDPE) has Limit company, the trade mark are the low density polyethylene (LDPE) of Q281;The optional Sinopec's stock of linear low density polyethylene (LLDPE) Part Co., Ltd, the trade mark are the linear low density polyethylene of 7042N;
The small molecule compatilizer is maleic anhydride, butyl acrylate, methyl methacrylate, hydroxy-ethyl acrylate and first The mixture of one or more of base glycidyl acrylate;Wherein, the glycidyl methacrylate is The trade mark of DOW Chemical is the glycidyl methacrylate of GMA;The optional limited public affairs of Shanghai shriek chemical industry of maleic anhydride Take charge of excellent pure grade maleic anhydride;The optional Shandong QiLu Petrochemical Engineering Co., Ltd's top grade product butyl acrylate list of butyl acrylate Body;Mitsubishi technical grade methyl methyl acrylate can be selected in the methyl methacrylate;The hydroxy-ethyl acrylate is available The technical grade hydroxy-ethyl acrylate of Qilu Petrochemical Company;
The polyethylene terephthalate is 0.74 ± 0.02dl/g of inherent viscosity, content of carboxyl end group≤25mol/t, The polyester slice that 250~260 DEG C of fusing point;Optional China Petrochemical Corporation Yizheng Chemical Co., Ltd., the trade mark are the poly- of FG720 Ethylene glycol terephthalate slice;
The inorganic particulate is silica (SiO2) or titanium dioxide (TiO2One or both of), the titanium dioxide The SiO that silicon is 0.3~5 μm of average grain diameter2Powder body material, the TiO that the titanium dioxide is 0.2~0.3 μm of average grain diameter2Powder material Material.
Examples 1 to 20 prepares the material utilization amount of polyester-polyolefin film, technological parameter see the table below 2, Examples 1 to 20 Prepared polyester-polyolefin film performance result see the table below 3,4.
Table 2: Examples 1 to 20 prepares polyester-polyolefin thin-film material dosage (dosage is mass parts in table), technological parameter Table
2 (Continued) of table:
Table 3: polyester-polyolefin film performance (moisture-vapor transmission) result table prepared by Examples 1 to 20
3 (Continued) of table:
Table 4: polyester-polyolefin film performance prepared by Examples 1 to 20 (breakdown voltage/KV) result table
4 (Continued) of table:
Embodiment 21:
A kind of polyester-polyolefin film, the polyester-polyolefin film are containing polyethylene terephthalate strand The film of section and polyolefin segment;
The raw material components and mass parts formula of the polyester-polyolefin film are as follows: 769 matter of polyethylene terephthalate Measure part, 200 mass parts of polyolefin, 10 mass of 10 mass parts of small molecule compatilizer, 10 mass parts of inorganic particulate and carbodiimides Part, 1 mass parts of cumyl peroxide, the mass parts summation of raw material components are 1000 mass parts;
The basic preparation process of the polyester-polyolefin film are as follows: with the raw material components of the polyester-polyolefin film and Mass parts formula is ingredient benchmark meter (or: counting by ingredient benchmark of 1000 mass parts);Firstly, by 200 mass parts polyolefin After being mixed with 10 mass parts small molecule compatilizers, 1 mass parts cumyl peroxide, in 220 DEG C of double screw extruder A into Row melting graft reaction is prepared into graft polyolefin through extruding pelletization;Second step, by 10 mass parts inorganic particulates and 200 mass After the mixing of part polyethylene terephthalate, melting mixing is carried out in 270 DEG C of double screw extruder B, through extruding pelletization, It is prepared into inorganic particulate polyester masterbatch;Third step, by the poly terephthalic acid second of 10 mass parts carbodiimides and 100 mass parts After diol ester mixing, melting mixing is carried out in 270 DEG C of double screw extruder C, through extruding pelletization, is prepared into resistant to hydrolysis polyester Masterbatch;Then, the graft polyolefin of above-mentioned preparation is dried to 2h at 100 DEG C, the above-mentioned inorganic particulate polyester prepared is female Material, resistant to hydrolysis polyester masterbatch and 469 mass parts polyethylene terephthalates are done in 150 DEG C of constant temperature convection oven respectively After dry 2h, then together be uniformly mixed and in 270 DEG C of mono-/bis-screw extruder D melting extrusion, through slab, biaxial tension and heat Sizing, obtains polyester-polyolefin film.
Embodiment 22:
A kind of polyester-polyolefin film, the polyester-polyolefin film are containing polyethylene terephthalate strand The film of section and polyolefin segment;
The raw material components and mass parts formula of the polyester-polyolefin film are as follows: polyethylene terephthalate 938.95 mass parts, 50 mass parts of polyolefin, 1 mass parts of small molecule compatilizer, 5 mass parts of inorganic particulate and carbodiimides 5 Mass parts, 0.05 mass parts of cumyl peroxide, the mass parts summation of raw material components are 1000 mass parts;
The basic preparation process of the polyester-polyolefin film are as follows: with the raw material components of the polyester-polyolefin film and Mass parts formula is ingredient benchmark meter (or: counting by ingredient benchmark of 1000 mass parts);Firstly, by 50 mass parts polyolefin with 1 mass parts small molecule compatilizer, 0.05 mass parts cumyl peroxide mixing after, in 230 DEG C of double screw extruder A into Row melting graft reaction is prepared into graft polyolefin through extruding pelletization;Second step, by 5 mass parts inorganic particulates and 100 mass After the mixing of part polyethylene terephthalate, melting mixing is carried out in 300 DEG C of double screw extruder B, through extruding pelletization, It is prepared into inorganic particulate polyester masterbatch;Third step, by the poly terephthalic acid second two of 5 mass parts carbodiimides and 50 mass parts After alcohol ester mixing, melting mixing is carried out in 300 DEG C of double screw extruder C, through extruding pelletization, it is female to be prepared into resistant to hydrolysis polyester Material;Then, by the graft polyolefin of above-mentioned preparation at 100 DEG C dry 2h, by the above-mentioned inorganic particulate polyester masterbatch prepared, Resistant to hydrolysis polyester masterbatch and 788.95 mass parts polyethylene terephthalates are done in 170 DEG C of constant temperature convection oven respectively After dry 3h, then together be uniformly mixed and in 300 DEG C of mono-/bis-screw extruder D melting extrusion, through slab, biaxial tension and heat Sizing, obtains polyester-polyolefin film.
Embodiment 23:
A kind of polyester-polyolefin film, the polyester-polyolefin film are containing polyethylene terephthalate strand The film of section and polyolefin segment;
The raw material components and mass parts formula of the polyester-polyolefin film are as follows: polyethylene terephthalate 853.975 mass parts, 125 mass parts of polyolefin, 5.5 mass parts of small molecule compatilizer, 7.5 mass parts of inorganic particulate and carbonization two 7.5 mass parts of imines, 0.525 mass parts of cumyl peroxide, the mass parts summation of raw material components are 1000 mass parts;
The basic preparation process of the polyester-polyolefin film are as follows: with the raw material components of the polyester-polyolefin film and Mass parts formula is ingredient benchmark meter (or: counting by ingredient benchmark of 1000 mass parts);Firstly, by 125 mass parts polyolefin After being mixed with 5.5 mass parts small molecule compatilizers, 0.525 mass parts cumyl peroxide, in 225 DEG C of double screw extruder Melting graft reaction is carried out in A, through extruding pelletization, is prepared into graft polyolefin;Second step, by 7.5 mass parts inorganic particulates with After the mixing of 150 mass parts polyethylene terephthalates, melting mixing is carried out in 285 DEG C of double screw extruder B, through squeezing It is granulated out, is prepared into inorganic particulate polyester masterbatch;Third step, by the poly- to benzene of 7.5 mass parts carbodiimides and 75 mass parts After naphthalate mixing, melting mixing is carried out in 285 DEG C of double screw extruder C, through extruding pelletization, is prepared into anti- Hydrolyzed polyester masterbatch;Then, the graft polyolefin of above-mentioned preparation is dried to 2h at 100 DEG C, by the above-mentioned inorganic grain prepared Sub- polyester masterbatch, resistant to hydrolysis polyester masterbatch and 628.975 mass parts polyethylene terephthalates are respectively in 160 DEG C of constant temperature It in convection oven after dry 2.5h, then is uniformly mixed together and in 285 DEG C of mono-/bis-screw extruder D melting extrusion, through casting Piece, biaxial tension and thermal finalization obtain polyester-polyolefin film;
In above-described embodiment 21-23: the polyethylene terephthalate is 0.74 ± 0.02dl/g of inherent viscosity, end Carboxyl-content≤25mol/t, the polyester slice that 250~260 DEG C of fusing point;The polyester slice can be China Petrochemical Corporation The trade mark that Yizheng Chemical Co., Ltd. provides is the polyethylene terephthalate slice of FG720.
In above-described embodiment 21-23: the polyolefin is the polyolefin of melt index 1~15g/10min at 230 DEG C; The polyolefin is ethylene-vinyl alcohol copolymer (abbreviation EVOH), cyclic polyolefin (abbreviation COC), low density polyethylene (LDPE) (abbreviation LDPE), the mixing of one or more of linear low density polyethylene (abbreviation LLDPE) and polypropylene (abbreviation PP) Object;The ethylene-vinyl alcohol copolymer (abbreviation EVOH) is that the trade mark that synthesis Chemical Co., Ltd., Japan provides is TF2905B Ethylene-vinyl alcohol copolymer;The cyclic polyolefin (abbreviation COC) is that the trade mark that Polyplastics Co., Ltd provides is 9506 Cyclic polyolefin;The polypropylene (abbreviation PP) is that the trade mark that Sinopec Group Maoming petrochemical industry Co., Ltd provides is The polypropylene of B4901;The low density polyethylene (LDPE) (abbreviation LDPE) is that Shanghai Petrochemial Co Ltd, China Petrochemical Corp mentions The trade mark of confession is the low density polyethylene (LDPE) of Q281;The linear low density polyethylene (abbreviation LLDPE) is Sinopec's stock The linear low density polyethylene that the trade mark that part Co., Ltd provides is 7042N.
In above-described embodiment 21-23: the small molecule compatilizer is maleic anhydride, butyl acrylate, methyl methacrylate The mixture of one or more of ester, hydroxy-ethyl acrylate and glycidyl methacrylate;Wherein, described Glycidyl methacrylate is that the trade mark of DOW Chemical is the glycidyl methacrylate of GMA;
In above-described embodiment 21-23: the inorganic particulate is silica (SiO2), titanium dioxide (TiO2One of) Or two kinds, the silica (SiO that the silica is 0.3~5 μm of average grain diameter2) powder body material, the titanium dioxide (or Titanium dioxide) it is referred to as 0.2~0.3 μm of average grain diameter of titanium dioxide (TiO2) powder body material;
The physical structure and performance of polyester-polyolefin film described in above-described embodiment 21-23 are as follows: the polyester-polyolefin Film has stratiform dispersed structure, and film thickness can be in 50 μm~350 μ ms, and the vapor under each thickness penetrates Rate and breakdown voltage see the table below 1:
Table 1:
Embodiment 24:
A kind of preparation method of polyester-polyolefin film, step are as follows:
A, ingredient (being counted by ingredient benchmark of 1000 mass parts): by 853.97 mass parts of polyethylene terephthalate, 125 mass parts of polyolefin, 7.5 mass parts of 5.5 mass parts of small molecule compatilizer, 7.5 mass parts of inorganic particulate and carbodiimides, 0.53 mass parts of cumyl peroxide take each raw material component, i.e. the mass parts summation of raw material components is 1000 mass parts;
The polyolefin is polyolefin of the melt index at 230 DEG C in 1~15g/10min range;
The polyethylene terephthalate is 0.74 ± 0.02dl/g of inherent viscosity, content of carboxyl end group≤25mol/t, Polyester slice of the fusing point in 250~260 DEG C of ranges;
The small molecule compatilizer be maleic anhydride, butyl acrylate, methyl methacrylate, hydroxy-ethyl acrylate, with And the mixture of one or more of glycidyl methacrylate;Wherein, the methyl propenoic acid glycidyl Ester is that the trade mark of DOW Chemical is the glycidyl methacrylate of GMA;
The inorganic particulate is silica (SiO2), titanium dioxide (TiO2One or both of), the silica For 0.3~5 μm of average grain diameter of silica (SiO2) powder body material, the titanium dioxide (or titanium dioxide) is average grain diameter 0.2~0.3 μm of titanium dioxide (TiO2) powder body material;
B, graft polyolefin is prepared:
125 mass parts polyolefin are mixed with 5.5 mass parts small molecule compatilizers, 0.53 mass parts cumyl peroxide Afterwards, fusion-grafting is carried out in the double screw extruder A that revolving speed is 110r/min, extrusion temperature is 225 DEG C and is squeezed out, under water Graft polyolefin is made in pelletizing, spare;
C, inorganic particulate polyester masterbatch is prepared:
By the polyethylene terephthalate of 150 mass parts in 160 DEG C of constant temperature convection oven after dry 2.5h, with 7.5 mass parts inorganic particulates mixing, through revolving speed be 110r/min, 285 DEG C of extrusion temperature of double screw extruder B melting extrusion, Pelletizing is granulated under water, and inorganic particulate polyester masterbatch is made, spare;
D, resistant to hydrolysis polyester masterbatch is prepared:
By the polyethylene terephthalate of 75 mass parts in 160 DEG C of constant temperature convection oven after dry 2.5h, then It is 110r/min, 285 DEG C of extrusion temperature of double screw extruder C melting through revolving speed after being mixed with 7.5 mass parts carbodiimides It squeezes out, is granulated, resistant to hydrolysis polyester masterbatch is made, it is spare;
E, polyester-polyolefin film is prepared:
Graft polyolefin prepared by step b dry 2.5h at a temperature of 105 DEG C, the step c inorganic particulate prepared is gathered Ester masterbatch, the resistant to hydrolysis polyester masterbatch of step d preparation and 628.97 mass parts polyethylene terephthalates are respectively at 160 DEG C Dry 2.5h in (constant temperature air blast) baking oven of temperature, then by dried graft polyolefin, inorganic particulate polyester masterbatch, water resistant After solving polyester masterbatch and pet material mixing, through 285 DEG C of revolving speed 70r/min, extrusion temperature mono-/bis-spiral shells Bar extruder D squeeze out, after 10 DEG C of temperature cold founding pieces, slab first through temperature be 80 DEG C preheating, then through temperature be 125 DEG C, draw Stretching multiple is 3 times of progresss longitudinal stretchings, then through temperature be 140 DEG C, draw ratio is 3 times and carries out after stretching horizontally, warm in sizing 215 DEG C, progress thermal finalization in 10 seconds are spent, it is thin that (thickness can be 50 μm~one of 350 μm) polyester-polyolefin is made in winding Film.
Embodiment 25:
A kind of preparation method of polyester-polyolefin film, step are as follows:
A, ingredient (being counted by ingredient benchmark of 1000 mass parts): by 938.95 mass parts of polyethylene terephthalate, 50 mass parts of polyolefin, 5 mass parts of 1 mass parts of small molecule compatilizer, 5 mass parts of inorganic particulate and carbodiimides, peroxidating 0.05 mass parts of diisopropylbenzene (DIPB) take each raw material component, i.e. the mass parts summation of raw material components is 1000 mass parts;
The polyolefin is polyolefin of the melt index at 230 DEG C in 1~15g/10min range;
The polyethylene terephthalate is 0.74 ± 0.02dl/g of inherent viscosity, content of carboxyl end group≤25mol/t, Polyester slice of the fusing point in 250~260 DEG C of ranges;
The small molecule compatilizer be maleic anhydride, butyl acrylate, methyl methacrylate, hydroxy-ethyl acrylate, with And the mixture of one or more of glycidyl methacrylate;Wherein, the methyl propenoic acid glycidyl Ester is that the trade mark of DOW Chemical is the glycidyl methacrylate of GMA;
The inorganic particulate is silica (SiO2), titanium dioxide (TiO2One or both of), the silica For 0.3~5 μm of average grain diameter of silica (SiO2) powder body material, the titanium dioxide (or titanium dioxide) is average grain diameter 0.2~0.3 μm of titanium dioxide (TiO2) powder body material;
B, graft polyolefin is prepared:
After 50 mass parts polyolefin are mixed with 1 mass parts small molecule compatilizer, 0.05 mass parts cumyl peroxide, Fusion-grafting is carried out in the double screw extruder A that revolving speed is 100r/min, extrusion temperature is 220 DEG C and is squeezed out, and is cut under water Grain, is made graft polyolefin, spare;
C, inorganic particulate polyester masterbatch is prepared:
By the polyethylene terephthalate of 100 mass parts in 150 DEG C of constant temperature convection oven after dry 3h, with 5 The mixing of mass parts inorganic particulate, is 100r/min, 270 DEG C of extrusion temperature of double screw extruder B melting extrusion through revolving speed, in water Lower pelletizing is granulated, and inorganic particulate polyester masterbatch is made, spare;
D, resistant to hydrolysis polyester masterbatch is prepared:
By the polyethylene terephthalate of 50 mass parts in 150 DEG C of constant temperature convection oven after dry 3h, then with 5 Mass parts carbodiimides mixing after, through revolving speed be 100r/min, 270 DEG C of extrusion temperature of double screw extruder C melting extrusion, It is granulated, resistant to hydrolysis polyester masterbatch is made, it is spare;
E, polyester-polyolefin film is prepared:
Graft polyolefin prepared by step b dry 3h, inorganic particulate polyester prepared by step c at a temperature of 100 DEG C Masterbatch, the resistant to hydrolysis polyester masterbatch of step d preparation and 788.95 mass parts polyethylene terephthalates are respectively in 150 DEG C of temperature Dry 3h in (constant temperature air blast) baking oven of degree, then by dried graft polyolefin, inorganic particulate polyester masterbatch, water resistant depolymerization After ester masterbatch and pet material mixing, squeezed through 270 DEG C of revolving speed 40r/min, extrusion temperature mono-/bis-screw rods Out machine D squeeze out, after 0 DEG C of temperature cold founding piece, slab first through temperature be 75 DEG C preheating, then through temperature be 120 DEG C, draw ratio For 2.5 times of progress longitudinal stretchings, then through temperature be 120 DEG C, draw ratio is 2.5 times and carries out after stretching horizontally, in setting temperature (thickness can be 50 μm~one of 350 μm) polyester-polyolefin film is made in 200 DEG C, progress thermal finalization in 15 seconds, winding.
Embodiment 26:
A kind of preparation method of polyester-polyolefin film, step are as follows:
A, ingredient (being counted by ingredient benchmark of 1000 mass parts): by 769 mass parts of polyethylene terephthalate, polyene 200 mass parts of hydrocarbon, 10 mass parts of 10 mass parts of small molecule compatilizer, 10 mass parts of inorganic particulate and carbodiimides, peroxidating 1 mass parts of diisopropylbenzene (DIPB) take each raw material component, and the mass parts summation of raw material components is 1000 mass parts;
The polyolefin is polyolefin of the melt index at 230 DEG C in 1~15g/10min range;
The polyethylene terephthalate is 0.74 ± 0.02dl/g of inherent viscosity, content of carboxyl end group≤25mol/t, Polyester slice of the fusing point in 250~260 DEG C of ranges;
The small molecule compatilizer be maleic anhydride, butyl acrylate, methyl methacrylate, hydroxy-ethyl acrylate, with And the mixture of one or more of glycidyl methacrylate;Wherein, the methyl propenoic acid glycidyl Ester is that the trade mark of DOW Chemical is the glycidyl methacrylate of GMA;
The inorganic particulate is silica (SiO2), titanium dioxide (TiO2One or both of), the silica For 0.3~5 μm of average grain diameter of silica (SiO2) powder body material, the titanium dioxide (or titanium dioxide) is average grain diameter 0.2~0.3 μm of titanium dioxide (TiO2) powder body material;
B, graft polyolefin is prepared:
After 200 mass parts polyolefin are mixed with 10 mass parts small molecule compatilizers, 1 mass parts cumyl peroxide, Fusion-grafting is carried out in the double screw extruder A that revolving speed is 120r/min, extrusion temperature is 230 DEG C and is squeezed out, and is cut under water Grain, is made graft polyolefin, spare;
C, inorganic particulate polyester masterbatch is prepared:
By the polyethylene terephthalate of 200 mass parts in 170 DEG C of constant temperature convection oven after dry 2h, with 10 The mixing of mass parts inorganic particulate, is 120r/min, 300 DEG C of extrusion temperature of double screw extruder B melting extrusion through revolving speed, in water Lower pelletizing is granulated, and inorganic particulate polyester masterbatch is made, spare;
D, resistant to hydrolysis polyester masterbatch is prepared:
By the polyethylene terephthalate of 100 mass parts in 170 DEG C of constant temperature convection oven after dry 2h, then with It is 120r/min through revolving speed after the mixing of 10 mass parts carbodiimides, 300 DEG C of extrusion temperature of double screw extruder C melting is squeezed Out, it is granulated, resistant to hydrolysis polyester masterbatch is made, it is spare;
E, polyester-polyolefin film is prepared:
Graft polyolefin prepared by step b dry 2hh, inorganic particulate polyester prepared by step c at a temperature of 110 DEG C Masterbatch, the resistant to hydrolysis polyester masterbatch of step d preparation and 469 mass parts polyethylene terephthalates are respectively in 170 DEG C of temperature (constant temperature air blast) baking oven in dry 2h, then by dried graft polyolefin, inorganic particulate polyester masterbatch, resistant to hydrolysis polyester After masterbatch and pet material mixing, squeezed through 300 DEG C of revolving speed 100r/min, extrusion temperature mono-/bis-screw rods Out machine D squeeze out, after 20 DEG C of temperature cold founding pieces, slab first through temperature be 85 DEG C preheating, then through temperature be 130 DEG C, stretch times Number is 3.5 times of progresss longitudinal stretchings, then through temperature be 160 DEG C, draw ratio is 3.5 times and carries out after stretching horizontally, warm in sizing 230 DEG C, progress thermal finalization in 5 seconds are spent, it is thin that (thickness can be 50 μm~one of 350 μm) polyester-polyolefin is made in winding Film.
Embodiment 27:
A kind of preparation method of polyester-polyolefin film, step are as follows:
A, ingredient (being counted by ingredient benchmark of 1000 mass parts): by 769~938.95 matter of polyethylene terephthalate Measure part, 50~200 mass parts of polyolefin, 1~10 mass parts of small molecule compatilizer, 5~10 mass parts of inorganic particulate and carbonization two 5~10 mass parts of imines, 0.05~1 mass parts of cumyl peroxide take each raw material component, and the mass parts of raw material components Summation is 1000 mass parts;
The polyolefin is polyolefin of the melt index at 230 DEG C in 1~15g/10min range;
The polyethylene terephthalate is 0.74 ± 0.02dl/g of inherent viscosity, content of carboxyl end group≤25mol/t, Polyester slice in 250~260 DEG C of ranges of fusing point;
The small molecule compatilizer can be maleic anhydride, butyl acrylate, methyl methacrylate, acrylic acid hydroxyl second The mixture of one or more of ester and glycidyl methacrylate;Wherein, the Glycidyl methacrylate Glyceride is that the trade mark of DOW Chemical is the glycidyl methacrylate of GMA;
The inorganic particulate can be silica (SiO2), titanium dioxide (TiO2One or both of), the dioxy Silica (the SiO that SiClx is 0.3~5 μm of average grain diameter2) powder body material, the titanium dioxide (or titanium dioxide) is average 0.2~0.3 μm of partial size of titanium dioxide (TiO2) powder body material;
B, graft polyolefin is prepared:
By 50~200 mass parts polyolefin and 1~10 mass parts small molecule compatilizer, 0.05~1 mass parts peroxidating two Isopropylbenzene mixing after, in the double screw extruder A that revolving speed is 100~120r/min, extrusion temperature is 220 DEG C~230 DEG C into Row fusion-grafting simultaneously squeezes out, and graft polyolefin is made in pelletizing under water, spare;
C, inorganic particulate polyester masterbatch is prepared:
By the polyethylene terephthalate of 100~200 mass parts in 150 DEG C~170 DEG C of constant temperature convection oven After dry 2~3h, mix with 5~10 mass parts inorganic particulates, through revolving speed be 100~120r/min, 270 DEG C of extrusion temperature~ 300 DEG C of double screw extruder B melting extrusion, pelletizing is granulated under water, and inorganic particulate polyester masterbatch is made, spare;
D, resistant to hydrolysis polyester masterbatch is prepared:
The polyethylene terephthalate of 50~100 mass parts is done in 150 DEG C~170 DEG C of constant temperature convection oven It is 100~120r/min through revolving speed after dry 2~3h, then after being mixed with 5~10 mass parts carbodiimides, 270 DEG C of extrusion temperature ~300 DEG C of double screw extruder C melting extrusion is granulated, resistant to hydrolysis polyester masterbatch is made, spare;
E, polyester-polyolefin film is prepared:
Graft polyolefin prepared by step b dry 2h~3h, nothing prepared by step c at a temperature of 100 DEG C~110 DEG C Resistant to hydrolysis polyester masterbatch and 469~788.95 mass parts polyethylene terephthalates prepared by machine particle polyester masterbatch, step d Ester dry 2~3h in (constant temperature air blast) baking oven of 150 DEG C~170 DEG C temperature respectively, then by dried graft polyolefin, After inorganic particulate polyester masterbatch, resistant to hydrolysis polyester masterbatch and pet material mixing, through revolving speed 40~ 270 DEG C~300 DEG C 100r/min, extrusion temperature mono-/bis-screw extruder D are squeezed out, after 0 DEG C~20 DEG C cold founding pieces of temperature, Slab is first 75 DEG C~85 DEG C preheatings through temperature, then through temperature be 120 DEG C~130 DEG C, draw ratio is 2.5~3.5 times of progress Longitudinal stretching, then through temperature be 120 DEG C~160 DEG C, draw ratio is 2.5~3.5 times and carries out after stretching horizontally, in setting temperature It is poly- that (thickness can be one of 50 μm~350 μ ms) is made in 200 DEG C~230 DEG C, progress thermal finalization in 5~15 seconds, winding Ester-polyolefin film.
In above-described embodiment 24-27: the polyester slice can be Yizheng Chemical Co., Ltd., China Petrochemical Corporation The trade mark of offer is the polyethylene terephthalate slice of FG720.
In above-described embodiment 24-27: it is poly- that the polyolefin can be ethylene-vinyl alcohol copolymer (abbreviation EVOH), ring-type Alkene (abbreviation COC), low density polyethylene (LDPE) (abbreviation LDPE), linear low density polyethylene (abbreviation LLDPE) and polypropylene The mixture of one or more of (abbreviation PP);
The ethylene-vinyl alcohol copolymer (abbreviation EVOH) is that the trade mark that synthesis Chemical Co., Ltd., Japan provides is The ethylene-vinyl alcohol copolymer of TF2905B;The cyclic polyolefin (abbreviation COC) is the board that Polyplastics Co., Ltd provides Number be 9506 cyclic polyolefin;The polypropylene (abbreviation PP) is that Sinopec Group Maoming petrochemical industry Co., Ltd provides The trade mark be B4901 polypropylene;The low density polyethylene (LDPE) (abbreviation LDPE) is that Sinopec Shanghai petrochemical industry share has The trade mark that limit company provides is the low density polyethylene (LDPE) of Q281;The linear low density polyethylene (abbreviation LLDPE) is Chinese stone The trade mark that oily chemical inc provides is the linear low density polyethylene of 7042N.
In above-described embodiment 24-27: the physical structure and performance of the obtained polyester-polyolefin film are as follows: the polyester- Polyolefin film has stratiform dispersed structure, and film thickness can be 50 μm~one of 350 μm, and the water under each thickness steams Vapor permeability and breakdown voltage see the table below 1:
Table 1:
In above-described embodiment: used each raw material is commercial product.
In above-described embodiment: it is not specifically specified in used percentage, be quality (weight) percentage or Well known to a person skilled in the art percentages;Described quality (weight) part can be gram or kilogram.
In above-described embodiment: technological parameter (temperature, time, revolving speed etc.) and dosage of each component numerical value in each step etc. are Range, any point is applicable.
The technology contents being not specifically delineated in the content of present invention and above-described embodiment are compared with technology.
The present invention is not limited to the above embodiments, can be implemented described in the content of present invention and has the good result.
In above-described embodiment: it is not specifically specified in used percentage, be quality (weight) percentage or Well known to a person skilled in the art percentages;Described part is quality (weight) part;Described quality (weight) part can be Gram or kilogram.

Claims (10)

1. a kind of polyester-polyolefin film, it is characterized in that: the polyester-polyolefin film is containing polyethylene terephthalate The film of ester molecule segment and polyolefin segment;
The raw material components and mass parts formula of the polyester-polyolefin film are as follows: polyethylene terephthalate 769~ 938.95 mass parts, 50~200 mass parts of polyolefin, 1~10 mass parts of small molecule compatilizer, 5~10 mass parts of inorganic particulate With 5~10 mass parts of carbodiimides, 0.05~1 mass parts of cumyl peroxide, and the mass parts summation of raw material components For 1000 mass parts;
The basic preparation process of the polyester-polyolefin film are as follows: with the raw material components and quality of the polyester-polyolefin film Part formula is ingredient benchmark meter;Firstly, by 50~200 mass parts polyolefin and 1~10 mass parts small molecule compatilizer, 0.05~ After the mixing of 1 mass parts cumyl peroxide, melting graft reaction is carried out in 220 DEG C~230 DEG C of double screw extruder A, Through extruding pelletization, it is prepared into graft polyolefin;Second step, by poly- pair of 5~10 mass parts inorganic particulates and 100~200 mass parts After ethylene terephthalate mixing, melting mixing is carried out in 270 DEG C~300 DEG C of double screw extruder B, is made through squeezing out Grain, is prepared into inorganic particulate polyester masterbatch;Third step, by poly- pair of 5~10 mass parts carbodiimides and 50~100 mass parts After ethylene terephthalate mixing, melting mixing is carried out in 270 DEG C~300 DEG C of double screw extruder C, is made through squeezing out Grain, is prepared into resistant to hydrolysis polyester masterbatch;Then, the graft polyolefin of above-mentioned preparation is dried to 2h at 100 DEG C, by above-mentioned preparation Good inorganic particulate polyester masterbatch, resistant to hydrolysis polyester masterbatch and 469~788.95 mass parts polyethylene terephthalates point Not in 150 DEG C~170 DEG C of constant temperature convection oven after dry 2~3h, then it is uniformly mixed together and at 270 DEG C~300 DEG C Mono-/bis-screw extruder D melting extrusion obtains polyester-polyolefin film through slab, biaxial tension and thermal finalization;
The polyethylene terephthalate is 0.74 ± 0.02dl/g of inherent viscosity, content of carboxyl end group≤25mol/t, fusing point 250~260 DEG C of polyester slice;
The polyolefin is the polyolefin of melt index 1~15g/10min at 230 DEG C;
The small molecule compatilizer is maleic anhydride, butyl acrylate, methyl methacrylate, hydroxy-ethyl acrylate, Yi Jijia The mixture of one or more of base glycidyl acrylate;
The inorganic particulate is one or both of silica, titanium dioxide, the silica be average grain diameter 0.3~ 5 μm of silicon-dioxide powdery material, the titanium dioxide powder material that the titanium dioxide is 0.2~0.3 μm of average grain diameter.
2. polyester-polyolefin film according to claim 1, it is characterized in that: the physical structure of the polyester-polyolefin film With performance are as follows: the polyester-polyolefin film has stratiform dispersed structure, and film thickness is 50 μm~350 μm, each thickness Under moisture-vapor transmission and breakdown voltage see the table below 1:
Table 1:
3. polyester-polyolefin film as described in claim 1 or 2, it is characterized in that: the polyester slice is Sinopec The trade mark that Yizheng Chemical Co., Ltd., group provides is the polyethylene terephthalate slice of FG720.
4. polyester-polyolefin film as described in claim 1 or 2, it is characterized in that: the polyolefin is that ethylene-vinyl alcohol is total One or more of polymers, cyclic polyolefin, low density polyethylene (LDPE), linear low density polyethylene and polypropylene Mixture.
5. polyester-polyolefin film according to claim 4, it is characterized in that: the ethylene-vinyl alcohol copolymer is Japanese conjunction The ethylene-vinyl alcohol copolymer for being TF2905B at the trade mark that Chemical Co., Ltd. provides;The cyclic polyolefin is Polyplastics The cyclic polyolefin that the trade mark that Co., Ltd provides is 9506;The polypropylene is that Sinopec Group Maoming petrochemical industry is limited The trade mark that company provides is the polypropylene of B4901;The low density polyethylene (LDPE) is that Sinopec Shanghai petrochemical industry share is limited The trade mark that company provides is the low density polyethylene (LDPE) of Q281;The linear low density polyethylene is that Sinopec's share is limited The trade mark that company provides is the linear low density polyethylene of 7042N.
6. a kind of preparation method of polyester-polyolefin film, it is characterized in that step are as follows:
A, 769~938.95 mass parts of polyethylene terephthalate, 50~200 mass parts of polyolefin, small molecule ingredient: are pressed 5~10 mass parts of 1~10 mass parts of compatilizer, 5~10 mass parts of inorganic particulate and carbodiimides, cumyl peroxide 0.05~1 mass parts take each raw material component, and the mass parts summation of raw material components is 1000 mass parts;
The polyolefin is the polyolefin of melt index 1~15g/10min at 230 DEG C;
The polyethylene terephthalate is 0.74 ± 0.02dl/g of inherent viscosity, content of carboxyl end group≤25mol/t, fusing point 250~260 DEG C of polyester slice;
The small molecule compatilizer is maleic anhydride, butyl acrylate, methyl methacrylate, hydroxy-ethyl acrylate, Yi Jijia The mixture of one or more of base glycidyl acrylate;
The inorganic particulate is one or both of silica, titanium dioxide, the silica be average grain diameter 0.3~ 5 μm of silicon-dioxide powdery material, the titanium dioxide powder material that the titanium dioxide is 0.2~0.3 μm of average grain diameter;
B, graft polyolefin is prepared:
By 50~200 mass parts polyolefin and 1~10 mass parts small molecule compatilizer, 0.05~1 mass parts peroxidating diisopropyl After benzene mixing, melted in the double screw extruder A that revolving speed is 100~120r/min, extrusion temperature is 220 DEG C~230 DEG C Welding branch simultaneously squeezes out, and graft polyolefin is made in pelletizing under water, spare;
C, inorganic particulate polyester masterbatch is prepared:
By the polyethylene terephthalate of 100~200 mass parts dry 2 in 150 DEG C~170 DEG C of constant temperature convection oven It after~3h, is mixed with 5~10 mass parts inorganic particulates, is 100~120r/min, 270 DEG C~300 DEG C of extrusion temperature through revolving speed Double screw extruder B melting extrusion, pelletizing is granulated under water, and inorganic particulate polyester masterbatch is made, spare;
D, resistant to hydrolysis polyester masterbatch is prepared:
By the polyethylene terephthalate of 50~100 mass parts dry 2 in 150 DEG C~170 DEG C of constant temperature convection oven It is 100~120r/min through revolving speed after~3h, then after being mixed with 5~10 mass parts carbodiimides, 270 DEG C of extrusion temperature~ 300 DEG C of double screw extruder C melting extrusion is granulated, resistant to hydrolysis polyester masterbatch is made, spare;
E, polyester-polyolefin film is prepared:
Graft polyolefin prepared by step b dry 2h~3h, inorganic grain prepared by step c at a temperature of 100 DEG C~110 DEG C Sub- polyester masterbatch, the resistant to hydrolysis polyester masterbatch of step d preparation and 469~788.95 mass parts polyethylene terephthalates divide Dry 2~3h not in the baking oven of 150 DEG C~170 DEG C temperature, then dried graft polyolefin, inorganic particulate polyester is female After material, resistant to hydrolysis polyester masterbatch and pet material mixing, through 40~100r/min of revolving speed, extrusion temperature 270 DEG C~300 DEG C mono-/bis-screw extruder D are squeezed out, and after 0 DEG C~20 DEG C cold founding pieces of temperature, slab is first 75 DEG C through temperature ~85 DEG C of preheatings, then through temperature be 120 DEG C~130 DEG C, draw ratio is 2.5~3.5 times of progress longitudinal stretchings, then is through temperature 120 DEG C~160 DEG C, draw ratio be 2.5~3.5 times and carry out after stretching horizontally, in 200 DEG C of setting temperature~230 DEG C, 5~15 Second carry out thermal finalization, winding, be made polyester-polyolefin film.
7. the preparation method of polyester-polyolefin film according to claim 6, it is characterized in that: the obtained polyester-polyolefin The physical structure and performance of film are as follows: the polyester-polyolefin film have stratiform dispersed structure, film thickness be 50 μm~ 350 μm, moisture-vapor transmission and breakdown voltage under each thickness see the table below 1:
Table 1:
8. by the preparation method of polyester-polyolefin film described in claim 6 or 7, it is characterized in that: during the polyester slice is The trade mark that Yizheng Chemical Co., Ltd., petrochemical industry group, state provides is the polyethylene terephthalate slice of FG720.
9. by the preparation method of polyester-polyolefin film described in claim 6 or 7, it is characterized in that: the polyolefin is second One of alkene-ethenol copolymer, cyclic polyolefin, low density polyethylene (LDPE), linear low density polyethylene and polypropylene or Two or more mixtures.
10. the preparation method of polyester-polyolefin film according to claim 9, it is characterized in that: the ethylene-vinyl alcohol is total Polymers is the ethylene-vinyl alcohol copolymer that the trade mark that synthesis Chemical Co., Ltd., Japan provides is TF2905B;The cyclic polyolefin Hydrocarbon is the cyclic polyolefin that the trade mark that Polyplastics Co., Ltd provides is 9506;The polypropylene is Sinopec Group Maoming The trade mark that petrochemical industry Co., Ltd provides is the polypropylene of B4901;The low density polyethylene (LDPE) is Sinopec Shanghai petroleum The trade mark that chemical inc provides is the low density polyethylene (LDPE) of Q281;The linear low density polyethylene is China Petroleum The trade mark that chemical inc provides is the linear low density polyethylene of 7042N.
CN201811560553.7A 2018-12-20 2018-12-20 A kind of polyester-polyolefin film and preparation method thereof Pending CN109608837A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110483884A (en) * 2019-04-19 2019-11-22 合肥蒲亮科技有限公司 A kind of high-fire resistance microporous polypropylene membrane and preparation method thereof
CN112226052A (en) * 2020-10-14 2021-01-15 中瀚新材料科技有限公司 High-barrier modified polyester and preparation method thereof
CN114058123A (en) * 2021-12-20 2022-02-18 苏州度辰新材料有限公司 Master batch for polyolefin film, preparation method, polyolefin film and BOPP film

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101733925A (en) * 2009-10-26 2010-06-16 申达集团有限公司 Method for preparing polyester film for photovoltaic cell backplane
CN101747600A (en) * 2009-12-15 2010-06-23 华南理工大学 Method for preparing polyethylene terephthalate (PET) blend
CN108456351A (en) * 2018-01-30 2018-08-28 苏州赛伍应用技术股份有限公司 A kind of water vapor rejection film and preparation method thereof

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101733925A (en) * 2009-10-26 2010-06-16 申达集团有限公司 Method for preparing polyester film for photovoltaic cell backplane
CN101747600A (en) * 2009-12-15 2010-06-23 华南理工大学 Method for preparing polyethylene terephthalate (PET) blend
CN108456351A (en) * 2018-01-30 2018-08-28 苏州赛伍应用技术股份有限公司 A kind of water vapor rejection film and preparation method thereof

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110483884A (en) * 2019-04-19 2019-11-22 合肥蒲亮科技有限公司 A kind of high-fire resistance microporous polypropylene membrane and preparation method thereof
CN112226052A (en) * 2020-10-14 2021-01-15 中瀚新材料科技有限公司 High-barrier modified polyester and preparation method thereof
CN114058123A (en) * 2021-12-20 2022-02-18 苏州度辰新材料有限公司 Master batch for polyolefin film, preparation method, polyolefin film and BOPP film

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Application publication date: 20190412