CN108284655A - A kind of superinsulation is packed for laminated film and preparation method thereof - Google Patents

A kind of superinsulation is packed for laminated film and preparation method thereof Download PDF

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Publication number
CN108284655A
CN108284655A CN201711488402.0A CN201711488402A CN108284655A CN 108284655 A CN108284655 A CN 108284655A CN 201711488402 A CN201711488402 A CN 201711488402A CN 108284655 A CN108284655 A CN 108284655A
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Prior art keywords
film
layer
aluminium
polyethylene
plating
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Chinese (zh)
Inventor
姚荣
汪学文
汪云峰
刘学军
董文辉
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Novel Huangshan Packaging Co Ltd
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Novel Huangshan Packaging Co Ltd
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Priority to CN201711488402.0A priority Critical patent/CN108284655A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D7/00—Producing flat articles, e.g. films or sheets
    • B29D7/01—Films or sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • B32B27/306—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising vinyl acetate or vinyl alcohol (co)polymers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/34—Layered products comprising a layer of synthetic resin comprising polyamides
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/36—Layered products comprising a layer of synthetic resin comprising polyesters
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2250/00—Layers arrangement
    • B32B2250/05—5 or more layers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2250/00—Layers arrangement
    • B32B2250/24—All layers being polymeric
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2255/00—Coating on the layer surface
    • B32B2255/10—Coating on the layer surface on synthetic resin layer or on natural or synthetic rubber layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2255/00—Coating on the layer surface
    • B32B2255/20—Inorganic coating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2255/00—Coating on the layer surface
    • B32B2255/20—Inorganic coating
    • B32B2255/205—Metallic coating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
    • B32B2307/304—Insulating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/30—Properties of the layers or laminate having particular thermal properties
    • B32B2307/31—Heat sealable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/732—Dimensional properties
    • B32B2307/734—Dimensional stability

Abstract

The present invention relates to a kind of superinsulations to be packed for laminated film and preparation method thereof.It includes compound outer layer plating aluminium oxide pet film, polyvinylidene chloride coating polyamide film, aluminium plating polyethylene alcohol film, internal layer plating aluminium oxide pet film, polyethylene film successively from outside to inside that superinsulation of the present invention, which is packed for laminated film,.Superinsulation of the present invention is packed for laminated film and is obtained by adhesive dry type complex method.Product of the present invention has the characteristics that lower thermal coefficient, better barrier property, higher heat seal strength and heat-insulating property are high.Product of the present invention has phenomena such as good dimensional stability, surfacing bubble-free fisheye.

Description

A kind of superinsulation is packed for laminated film and preparation method thereof
Technical field
The invention belongs to thin film materials art, it is specifically related to a kind of superinsulation and is packed for laminated film and its preparation side Method.
Background technology
A kind of plastic-aluminum vacuum insulation panel packet is described in patent CN201721767U and patent application CN101844642A Film is filled, structure is followed successively by biaxial tension nylon layer, layer of polyethylene terephthalate, aluminium foil layer, two-way drawing from outside to inside Stretch nylon layer, polyethylene, thermal coefficient ＜ 0.005W/mK, moisture-vapor transmission≤0.2g/m2Day, OTR oxygen transmission rate ≤0.05cc/m2·day.Describe a kind of plastic-aluminum vacuum thermal baffle packaging film in patent CN201381006Y, structure by Biaxial tension nylon 15um, polyethylene terephthalate of aluminizing 12um, polyethylene 15um, aluminium foil 7um, second are followed successively by outside Alkene 15um, metallocene PE 85um, moisture-vapor transmission 0.2g/m2Day, OTR oxygen transmission rate 0.1cc/m2· Day, thermal coefficient ＜ 0.0035W/mK, thermal coefficient increases 0.0451mW/mK daily after a week for encapsulation.Although the above aluminium Modeling packing film can meet the requirement of vacuum insulation panel, it is contemplated that the thermal coefficient (273W/m of metal aluminum foil K) it is far longer than polyester film (thermal coefficient 0.15W/mK), nylon film (thermal coefficient 0.43W/mK), poly- second The thermal coefficient of alkene film (thermal coefficient 1.05W/mK).And the service life of vacuum insulation panel is generally 15~20 years, The service life of vacuum insulation panel certainly will be influenced whether over time, therefore exploitation thermal coefficient is small, heat-insulating property is high Super insulating material packaging film have become a kind of trend.
Invention content
In order to solve the above technical problem, the present invention provides a kind of superinsulations to be packed for laminated film and its preparation side Method, the composite film material thermal coefficient is small, heat-insulating property is high.
In order to achieve the object of the present invention, present invention employs following technical schemes：
A kind of superinsulation is packed for laminated film, including compound outer layer plating aluminium oxide is poly- to benzene two successively from outside to inside Formic acid glycol ester film, polyvinylidene chloride coating polyamide film, aluminium plating polyethylene alcohol film, poly- pair of internal layer plating aluminium oxide Ethylene terephthalate film, polyethylene film.
Further, the outer layer plating aluminium oxide pet film, polyvinylidene chloride are coated with polyamides The thickness of amine film, aluminium plating polyethylene alcohol film, internal layer plating aluminium oxide pet film, polyethylene film Respectively 11~13um, 16~18um, 38~50um, 11~13um, 48~52um.
Further, compound by adhesive between five layer films of the composite film material, it is described five layers thin from outside to inside The spread of adhesive layer between film is respectively 3.0~3.5g/m2, 3.0~3.5g/m2, 3.6~4.0g/m2, 4.1~ 5.0g/m2。
A kind of superinsulation is packed for the preparation method of laminated film, includes the following steps：
S1, the plating aluminium oxide face that outer layer is plated to aluminium oxide pet film by dry type complex method The coat side of the upper compound polyvinylidene chloride coating polyamide film of adhesive, spread is in 3.0~3.5g/m2, then 50 Maturation process is carried out under ± 2 DEG C of temperature conditions 3~5 days；
S2, gained outer layer plating aluminium oxide pet film/adhesive/in step S1 is gathered into inclined dichloro Ethylene is coated with the face of aluminizing of the composite aluminium-plated polyvinyl alcohol film of adhesive on polyamide film, and spread is in 3.0~3.5g/m2, Then maturation process is carried out under 50 ± 2 DEG C of temperature conditions again 4~5 days；
S3, gained outer layer plating aluminium oxide pet film/adhesive/in step S2 is gathered into inclined dichloro Ethylene is coated with adhesive composite inner layer on polyamide film/adhesive/aluminium plating polyethylene alcohol film and plates the poly- terephthaldehyde of aluminium oxide The plating aluminium oxide face of sour glycol ester film, spread is in 3.6~4.0g/m2, then carried out under 50 ± 2 DEG C of temperature conditions again Maturation process 4~5 days；
S4, gained outer layer plating aluminium oxide pet film/adhesive/in step S3 is gathered into inclined dichloro Ethylene is coated with polyamide film/adhesive/aluminium plating polyethylene alcohol film/adhesive/internal layer and plates aluminium oxide poly terephthalic acid second The composite surface of adhesive laminating polyethylene film on terephthalate films, spread is in 4.1~5.0g/m2, then again at 50 ± 2 DEG C Maturation process is carried out under temperature condition obtains final products within 6~8 days.
Further, the plating aluminium oxide pet film is poly- using vacuum coating technology to benzene Naphthalate film surface plates oxidation aluminium coat and obtains, and the thickness of the oxidation aluminium coat is 150~180 angstroms, The thickness of the pet film is 12um.
Further, the polyethylene film produces to obtain using three-layer co-extruded film-blowing process, the polyethylene film by Hot sealing layer, middle layer, composite layer constitute, the hot sealing layer, middle layer, composite layer thickness ratio be 3:4:3.
Further, the aluminium plating polyethylene alcohol film is obtained by five-layer co-squeezing film through aluminizing, the aluminium plating polyethylene alcohol Film is by aluminium coat, the first polyethylene layer, the first articulamentum, polyvinyl alcohol intermediate, the second articulamentum, the second polyethylene layer structure At the aluminium coat, the first polyethylene layer, the first articulamentum, polyvinyl alcohol intermediate, the second articulamentum, the second polyethylene layer Thickness be respectively 350~400 angstroms, 10~15um, 4um, 10~12um, 4um, 10~15um.
The beneficial effects of the present invention are：
(1) product thermal coefficient of the present invention is about 0.0018~0.0025W/mK, and daily thermal coefficient increases 0.021mW/mK (encapsulation one week).
(2) OTR oxygen transmission rate OTR≤0.05cc/m of product of the present invention2Day (23 DEG C, 0% damp condition under), water steam Vapor permeability WVTR≤0.05g/m2Day, (38 DEG C, 90% damp condition under), oxygen is saturating after 20 torsion tests Rate is crossed still less than 0.1cc/m2·day。
(3) heat seal strength >=60N/15mm of product of the present invention, be resistant to -70~80 DEG C operating temperature and 60~ The compressive strength of 100kPa, heat-insulating property are high.
(4) product of the present invention has phenomena such as good dimensional stability, surfacing bubble-free fisheye.
(5) it maturation process mild condition described in preparation method of the present invention and has no special requirements to ambient humidity.The present invention Preparation method is simple, is easily manipulated.
Specific implementation mode
More specific detail is made to technical solution of the present invention with reference to embodiment：
Embodiment 1
Five layer films that superinsulation of the present invention is packed for laminated film are compound successively from outside to inside, and specific preparation method is such as Under：
A kind of superinsulation is packed for the preparation method of laminated film, includes the following steps：
S1, the plating aluminium oxide face that outer layer is plated to aluminium oxide pet film by dry type complex method The coat side of the upper compound polyvinylidene chloride coating polyamide film of adhesive, spread is in 3.0g/m2, then at 50 ± 2 DEG C Maturation process is carried out under temperature condition 3 days；
S2, gained outer layer plating aluminium oxide pet film/adhesive/in step S1 is gathered into inclined dichloro Ethylene is coated with the face of aluminizing of the composite aluminium-plated polyvinyl alcohol film of adhesive on polyamide film, and spread is in 3.0g/m2, then again Maturation process is carried out under 50 ± 2 DEG C of temperature conditions 4 days；
S3, gained outer layer plating aluminium oxide pet film/adhesive/in step S2 is gathered into inclined dichloro Ethylene is coated with adhesive composite inner layer on polyamide film/adhesive/aluminium plating polyethylene alcohol film and plates the poly- terephthaldehyde of aluminium oxide The plating aluminium oxide face of sour glycol ester film, spread is in 3.6g/m2, then cured under 50 ± 2 DEG C of temperature conditions again Processing 4 days；
S4, gained outer layer plating aluminium oxide pet film/adhesive/in step S3 is gathered into inclined dichloro Ethylene is coated with polyamide film/adhesive/aluminium plating polyethylene alcohol film/adhesive/internal layer and plates aluminium oxide poly terephthalic acid second The composite surface of adhesive laminating polyethylene film on terephthalate films, spread is in 4.1/m2, then again in 50 ± 2 DEG C of temperature strips Maturation process is carried out under part obtains final products within 6 days.
The plating aluminium oxide pet film is using vacuum coating technology in poly terephthalic acid second Terephthalate films surface plates oxidation aluminium coat and obtains, and the thickness of the oxidation aluminium coat is 150 angstroms, the poly- terephthaldehyde The thickness of sour glycol ester film is 11um.
The polyethylene film produces to obtain using three-layer co-extruded film-blowing process, the polyethylene film by hot sealing layer, in Interbed, composite layer constitute, the hot sealing layer, middle layer, composite layer thickness ratio be 3:4:3.
The aluminium plating polyethylene alcohol film is obtained by five-layer co-squeezing film through aluminizing, and the aluminium plating polyethylene alcohol film is by aluminium Coating, the first polyethylene layer, the first articulamentum, polyvinyl alcohol intermediate, the second articulamentum, the second polyethylene layer are constituted, described The thickness point of aluminium coat, the first polyethylene layer, the first articulamentum, polyvinyl alcohol intermediate, the second articulamentum, the second polyethylene layer It Wei not 350 angstroms, 10um, 4um, 10um, 4um, 10um.Heretofore described first articulamentum, the second articulamentum are by binder resin It constitutes.
The outer layer plates aluminium oxide pet film, polyvinylidene chloride is coated with polyamide film, Aluminium plating polyethylene alcohol film, internal layer plate aluminium oxide pet film, the thickness of polyethylene film is respectively 11um、16um、38um、11um、48um。
Polyvinylidene chloride used coating polyamide film is buying from Quzhou Tian Sheng Chemical Companies in the present invention Water boiling resistance type polyvinylidene chloride be coated with polyamide film.
The product that the present embodiment is prepared is by test：Thermal coefficient is about 0.0018W/mK, daily heat conduction system Number increases 0.021mW/mK (encapsulation one week)；OTR oxygen transmission rate OTR≤0.05cc/m2Day (23 DEG C, 0% damp condition Under), moisture-vapor transmission WVTR≤0.05g/m2Day, (38 DEG C, 90% damp condition under), by 20 torsion tests OTR oxygen transmission rate is still less than 0.1cc/m afterwards2·day；Heat seal strength >=60N/15mm is resistant to -70~80 DEG C of work The compressive strength of temperature and 60~100kPa.This product has good dimensional stability, surfacing bubble-free fisheye etc. Phenomenon.
Embodiment 2
Five layer films that superinsulation of the present invention is packed for laminated film are compound successively from outside to inside, and specific preparation method is such as Under：
S1, the plating aluminium oxide face that outer layer is plated to aluminium oxide pet film by dry type complex method The coat side of the upper compound polyvinylidene chloride coating polyamide film of adhesive, spread is in 3.5g/m2, then at 50 ± 2 DEG C Maturation process is carried out under temperature condition 5 days；
S2, gained outer layer plating aluminium oxide pet film/adhesive/in step S1 is gathered into inclined dichloro Ethylene is coated with the face of aluminizing of the composite aluminium-plated polyvinyl alcohol film of adhesive on polyamide film, and spread is in 3.5g/m2, then again Maturation process is carried out under 50 ± 2 DEG C of temperature conditions 5 days；
S3, gained outer layer plating aluminium oxide pet film/adhesive/in step S2 is gathered into inclined dichloro Ethylene is coated with adhesive composite inner layer on polyamide film/adhesive/aluminium plating polyethylene alcohol film and plates the poly- terephthaldehyde of aluminium oxide The plating aluminium oxide face of sour glycol ester film, spread is in 4.0g/m2, then cured under 50 ± 2 DEG C of temperature conditions again Processing 5 days；
S4, gained outer layer plating aluminium oxide pet film/adhesive/in step S3 is gathered into inclined dichloro Ethylene is coated with polyamide film/adhesive/aluminium plating polyethylene alcohol film/adhesive/internal layer and plates aluminium oxide poly terephthalic acid second The composite surface of adhesive laminating polyethylene film on terephthalate films, spread is in 5.0g/m2, then again in 50 ± 2 DEG C of temperature Under the conditions of carry out maturation process 8 days and obtain final products.
The plating aluminium oxide pet film is using vacuum coating technology in poly terephthalic acid second Terephthalate films surface plates oxidation aluminium coat and obtains, and the thickness of the oxidation aluminium coat is 180 angstroms, the poly- terephthaldehyde The thickness of sour glycol ester film is 12um.
The polyethylene film produces to obtain using three-layer co-extruded film-blowing process, the polyethylene film by hot sealing layer, in Interbed, composite layer constitute, the hot sealing layer, middle layer, composite layer thickness ratio be 3:4:3.
The aluminium plating polyethylene alcohol film is obtained by five-layer co-squeezing film through aluminizing, and the aluminium plating polyethylene alcohol film is by aluminium Coating, the first polyethylene layer, the first articulamentum, polyvinyl alcohol intermediate, the second articulamentum, the second polyethylene layer are constituted, described The thickness point of aluminium coat, the first polyethylene layer, the first articulamentum, polyvinyl alcohol intermediate, the second articulamentum, the second polyethylene layer It Wei not 400 angstroms, 15um, 4um, 12um, 4um, 15um.
The outer layer plates aluminium oxide pet film, polyvinylidene chloride is coated with polyamide film, Aluminium plating polyethylene alcohol film, internal layer plate aluminium oxide pet film, the thickness of polyethylene film is respectively 13um、18um、50um、13um、52um。
The product that the present embodiment is prepared is by test：Thermal coefficient is about 0.0020W/mK, daily heat conduction system Number increases 0.020mW/mK (encapsulation one week)；OTR oxygen transmission rate OTR≤0.05cc/m2Day (23 DEG C, 0% damp condition Under), moisture-vapor transmission WVTR≤0.05g/m2Day, (38 DEG C, 90% damp condition under), by 20 torsion tests OTR oxygen transmission rate is still less than 0.1cc/m afterwards2·day；Heat seal strength >=60N/15mm is resistant to -70~80 DEG C of work The compressive strength of temperature and 60~100kPa.This product has good dimensional stability, surfacing bubble-free fisheye etc. Phenomenon.
Embodiment 3
Five layer films that superinsulation of the present invention is packed for laminated film are compound successively from outside to inside, and specific preparation method is such as Under：
S1, the plating aluminium oxide face that outer layer is plated to aluminium oxide pet film by dry type complex method The coat side of the upper compound polyvinylidene chloride coating polyamide film of adhesive, spread is in 3.2g/m2, then at 50 ± 2 DEG C Maturation process is carried out under temperature condition 4 days；
S2, gained outer layer plating aluminium oxide pet film/adhesive/in step S1 is gathered into inclined dichloro Ethylene is coated with the face of aluminizing of the composite aluminium-plated polyvinyl alcohol film of adhesive on polyamide film, and spread is in 3.2g/m2, then again Maturation process is carried out under 50 ± 2 DEG C of temperature conditions 4.5 days；
S3, gained outer layer plating aluminium oxide pet film/adhesive/in step S2 is gathered into inclined dichloro Ethylene is coated with adhesive composite inner layer on polyamide film/adhesive/aluminium plating polyethylene alcohol film and plates the poly- terephthaldehyde of aluminium oxide The plating aluminium oxide face of sour glycol ester film, spread is in 3.8g/m2, then cured under 50 ± 2 DEG C of temperature conditions again Processing 4.5 days；
S4, gained outer layer plating aluminium oxide pet film/adhesive/in step S3 is gathered into inclined dichloro Ethylene is coated with polyamide film/adhesive/aluminium plating polyethylene alcohol film/adhesive/internal layer and plates aluminium oxide poly terephthalic acid second The composite surface of adhesive laminating polyethylene film on terephthalate films, spread is in 4.5g/m2, then again in 50 ± 2 DEG C of temperature Under the conditions of carry out maturation process 7 days and obtain final products.
The plating aluminium oxide pet film is using vacuum coating technology in poly terephthalic acid second Terephthalate films surface plates oxidation aluminium coat and obtains, and the thickness of the oxidation aluminium coat is 160 angstroms, the poly- terephthaldehyde The thickness of sour glycol ester film is 13um.
The polyethylene film produces to obtain using three-layer co-extruded film-blowing process, the polyethylene film by hot sealing layer, in Interbed, composite layer constitute, the hot sealing layer, middle layer, composite layer thickness ratio be 3:4:3.
The aluminium plating polyethylene alcohol film is obtained by five-layer co-squeezing film through aluminizing, and the aluminium plating polyethylene alcohol film is by aluminium Coating, the first polyethylene layer, the first articulamentum, polyvinyl alcohol intermediate, the second articulamentum, the second polyethylene layer are constituted, described The thickness point of aluminium coat, the first polyethylene layer, the first articulamentum, polyvinyl alcohol intermediate, the second articulamentum, the second polyethylene layer It Wei not 380 angstroms, 12um, 4um, 11um, 4um, 12um.
The outer layer plates aluminium oxide pet film, polyvinylidene chloride is coated with polyamide film, Aluminium plating polyethylene alcohol film, internal layer plate aluminium oxide pet film, the thickness of polyethylene film is respectively 12um、17um、45um、12um、50um。
The product that the present embodiment is prepared is by test：Thermal coefficient is about 0.0024W/mK, daily heat conduction system Number increases 0.021mW/mK (encapsulation one week)；OTR oxygen transmission rate OTR≤0.05cc/m2Day (23 DEG C, 0% damp condition Under), moisture-vapor transmission WVTR≤0.05g/m2Day, (38 DEG C, 90% damp condition under), by 20 torsion tests OTR oxygen transmission rate is still less than 0.1cc/m afterwards2·day；Heat seal strength >=60N/15mm is resistant to -70~80 DEG C of work The compressive strength of temperature and 60~100kPa.This product has good dimensional stability, surfacing bubble-free fisheye etc. Phenomenon.

Claims (7)

1. a kind of superinsulation is packed for laminated film, it is characterised in that：Including compound outer layer plates oxidation successively from outside to inside Aluminium pet film, polyvinylidene chloride coating polyamide film, aluminium plating polyethylene alcohol film, internal layer plating Aluminium oxide pet film, polyethylene film.
2. superinsulation as described in claim 1 is packed for laminated film, it is characterised in that：The outer layer plating aluminium oxide is poly- to benzene Naphthalate film, polyvinylidene chloride coating polyamide film, aluminium plating polyethylene alcohol film, internal layer plating aluminium oxide are poly- Ethylene glycol terephthalate film, polyethylene film thickness be respectively 11~13um, 16~18um, 38~50um, 11~ 13um, 48~52um.
3. superinsulation as described in claim 1 is packed for laminated film, it is characterised in that：Five layers of the composite film material are thin It is compound by adhesive between film, from outside to inside the spread of the adhesive layer between five layer film be respectively 3.0~ 3.5g/m2, 3.0~3.5g/m2, 3.6~4.0g/m2, 4.1~5.0g/m2。
4. a kind of preparation method being packed for laminated film such as above-mentioned claims 1 to 3 any one of them superinsulation, including Following steps：
S1, outer layer is plated by dry type complex method and is glued on the plating aluminium oxide face of aluminium oxide pet film The coat side of the compound polyvinylidene chloride coating polyamide film of mixture, spread is in 3.0~3.5g/m2, then at 50 ± 2 DEG C Maturation process is carried out under temperature condition 3~5 days；
S2, gained outer layer in step S1 is plated into aluminium oxide pet film/adhesive/polyvinylidene chloride It is coated with the face of aluminizing of the composite aluminium-plated polyvinyl alcohol film of adhesive on polyamide film, spread is in 3.0~3.5g/m2, then Maturation process is carried out under 50 ± 2 DEG C of temperature conditions again 4~5 days；
S3, gained outer layer in step S2 is plated into aluminium oxide pet film/adhesive/polyvinylidene chloride It is coated with adhesive composite inner layer on polyamide film/adhesive/aluminium plating polyethylene alcohol film and plates aluminium oxide poly terephthalic acid second The plating aluminium oxide face of terephthalate films, spread is in 3.6~4.0g/m2, then cured under 50 ± 2 DEG C of temperature conditions again Processing 4~5 days；
S4, gained outer layer in step S3 is plated into aluminium oxide pet film/adhesive/polyvinylidene chloride It is coated with polyamide film/adhesive/aluminium plating polyethylene alcohol film/adhesive/internal layer and plates aluminium oxide polyethylene terephthalate The composite surface of adhesive laminating polyethylene film on ester film, spread is in 4.1~5.0g/m2, then again in 50 ± 2 DEG C of temperature Under the conditions of carry out maturation process 6~8 days and obtain final products.
5. superinsulation as claimed in claim 4 is packed for the preparation method of laminated film, it is characterised in that：The plating oxidation Aluminium pet film is plated on pet film surface using vacuum coating technology It aoxidizes aluminium coat and obtains, the thickness of the oxidation aluminium coat is 150~180 angstroms, and the polyethylene terephthalate is thin The thickness of film is 11~13um.
6. superinsulation as claimed in claim 4 is packed for the preparation method of laminated film, it is characterised in that：The polyethylene Film produces to obtain using three-layer co-extruded film-blowing process, and the polyethylene film is made of hot sealing layer, middle layer, composite layer, institute State hot sealing layer, middle layer, composite layer thickness ratio be 3:4:3.
7. superinsulation as claimed in claim 4 is packed for laminated film, it is characterised in that：The aluminium plating polyethylene alcohol film by Five-layer co-squeezing film through aluminize obtain, the aluminium plating polyethylene alcohol film by aluminium coat, the first polyethylene layer, the first articulamentum, Polyvinyl alcohol intermediate, the second articulamentum, the second polyethylene layer are constituted, the aluminium coat, the first polyethylene layer, the first connection Layer, polyvinyl alcohol intermediate, the second articulamentum, the second polyethylene layer thickness be respectively 350~400 angstroms, 10~15um, 4um, 10~12um, 4um, 10~15um.
CN201711488402.0A 2017-12-29 2017-12-29 A kind of superinsulation is packed for laminated film and preparation method thereof Pending CN108284655A (en)

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Application publication date: 20180717