CN107521210A - A kind of production technology of hyperosmosis composite membrane - Google Patents
A kind of production technology of hyperosmosis composite membrane Download PDFInfo
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- CN107521210A CN107521210A CN201710617742.2A CN201710617742A CN107521210A CN 107521210 A CN107521210 A CN 107521210A CN 201710617742 A CN201710617742 A CN 201710617742A CN 107521210 A CN107521210 A CN 107521210A
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- base material
- pet base
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Classifications
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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
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
-
- 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
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
-
- 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
- B32B38/00—Ancillary operations in connection with laminating processes
-
- 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
- B32B38/00—Ancillary operations in connection with laminating processes
- B32B38/0012—Mechanical treatment, e.g. roughening, deforming, stretching
- B32B2038/0028—Stretching, elongating
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Laminated Bodies (AREA)
Abstract
The invention discloses a kind of production technology of hyperosmosis composite membrane, including：PET base material biaxial tension is handled；Using aluminium film material as evaporation source, vacuum vapor deposition method deposited barrier layers step；Sputtering vacuum deposition is harrowed by copper and obtains metal level step；Compound first PE layer steps；Print steps；Spray uv-curable glue step；Compound 2nd PE layer steps, obtain hyperosmosis composite membrane.The hyperosmosis composite membrane that production technology provided by the invention obtains, block water with higher, hinder oxygen function, as packing material, it, which prints, is not easy dizzy dye, abrasion, has preferable application prospect.
Description
Technical field
The present invention relates to a kind of preparing technical field of high polymer material, more particularly to a kind of life of hyperosmosis composite membrane
Production. art.
Background technology
The preparation of composite membrane be by single thin film after typography again by dry-lamination process or extrusion it is compound
Technique progress is compound, is formed by curing composite membrane.
Current packaging film is generally all aluminum-plastic composite membrane, this plastic-aluminum combined because the chemical property of aluminium is more active
Under acid, alkali, hot and humid environment oxidation reaction easily occurs for film, so as to influence the outward appearance of composite membrane and service life.Composite membrane
As packaging film, its aqueous vapor, the osmotic pressure of oxygen directly affect the quality of content, and the composite membrane after by aqueous vapor, Oxygen permeation, this
Body is also easily further etched, so as to accelerate the rotten of content.
In order to improve composite membrane to aqueous vapor, the osmotic pressure of oxygen, typically by the form of MULTILAYER COMPOSITE polymeric membrane, such as aluminium
The compound PE of paper tinsel and PVA film., can due to polymeric membrane hot shortness in itself, fragility etc. when temperature change, stress
Delamination between aluminium foil layer and macromolecule layer, foaming etc. can be caused, so as to further speed up the redox electricity of composite membrane in itself
Chemical reaction, so that composite membrane reduces to the osmotic pressure of aqueous vapor, oxygen.
The content of the invention
For overcome the deficiencies in the prior art, it is an object of the invention to provide one kind printing to be not easy dizzy dye, service life
The production technology of the composite membrane of long hyperosmosis；
The purpose of the present invention adopts the following technical scheme that realization：
A kind of production technology of hyperosmosis composite membrane, including：
The pre-treatment step of PET base material：Biaxial tension processing is carried out to PET base material；
Deposited barrier layers step：Using aluminium film material as evaporation source, deposited in the side of PET base material by vacuum vapor deposition method
To barrier layer；
Deposited metal layer step：Layer surface is obstructed in barrier layer, and metal level is obtained by copper rake sputtering vacuum deposition；
Compound first PE layer steps：In the PE layers of surface recombination the first of metal level；
Print steps：Printed after another side surface progress sided corona treatment to PET base material；
Spray solidification glue step：PET substrate surfaces spraying ultraviolet cured adhesive after printing；
Compound 2nd PE layer steps：The compound 2nd PE layers of PET substrate surfaces after solidification glue is sprayed, and pass through ultraviolet light
Irradiation, obtains hyperosmosis composite membrane.
Further, stretching step, thermostabilization step and the pre- step of relaxing that the pre-treatment step of PET base material includes carrying out successively
Suddenly.
Further, the pre-treatment step of PET base material includes the following steps carried out successively：
1) in 120-140 DEG C, PET base material longitudinally, laterally etc. is stretched 2.0-4.0 times to power；
2) by the PET base material after stretching in 200-210 DEG C of thermostabilization；
3) PET base material after thermostabilization is subjected to pre- relaxation processing in 140-160 DEG C.
Further, in deposited metal layer step, evaporation source is used as using aluminium film material.
Further, in compound first PE layer steps, using the compound first PE layers of extruding-out process, the material of the first PE layers
Expect for low density polyethylene (LDPE).
Further, spray in solidification glue step, the quantity for spray of ultraviolet cured adhesive is 2-5mL/m2.
Further, in compound 2nd PE layer steps, using the compound 2nd PE layers of thermal bonding process.Compared with prior art,
The beneficial effects of the present invention are：
1) production technology provided by the invention, by carrying out biaxial tension processing to PET basic units, the height can be effectively improved
The mechanical performance of osmotic pressure composite membrane, the barrier layer with being obtained by vacuum vapor deposition method have preferable compactness, can prevent
The entrance of aqueous vapor and oxygen；
2) present invention harrows sputtering vacuum deposition by copper by the surface of the barrier layer formed in vacuum vapor deposition method and obtains gold
Belong to layer, PET basic units, barrier layer and metal level three are tightly engaged into, and form the composite barrier together with hyperosmosis；
3) the hyperosmosis composite membrane that production technology provided by the invention obtains, block water with higher, hinder oxygen function, making
For packing material, it, which prints, is not easy dizzy dye, abrasion, has preferable application prospect.
Embodiment
Below, with reference to embodiment, the present invention is described further, it is necessary to which explanation is, what is do not collided
Under the premise of, new embodiment can be formed between various embodiments described below or between each technical characteristic in any combination.
The present invention provides a kind of production technology of hyperosmosis composite membrane, including：
The pre-treatment step of PET base material：Biaxial tension processing is carried out to PET base material；
In this step, biaxial tension processing includes stretching step, thermostabilization step and step of relaxing in advance；Carry out PET basic units
Biaxial tension processing after, PET base material has preferable pliability, its pressure, temperature, humidity etc. change under can still keep compared with
The good high osmosis to steam, oxygen, and the printing performance of the PET base material after processing improves；
Deposited barrier layers step：Using aluminium film material as evaporation source, deposited in the side of PET base material by vacuum vapor deposition method
To barrier layer；
The barrier layer is the main functional layer for playing antiseepage function as the hyperosmosis composite membrane, heavy using being evaporated in vacuo
Area method, the density of obtained barrier layer is high, high with the combined strength bination of PET base material, with higher peel strength and preferably anti-
Permeability；
Deposited metal layer step：Sputtering vacuum deposition is harrowed by copper in barrier layer surface and obtains metal level；
Metal level is as the functional layer being engaged with barrier layer, and it cooperatively plays antiseepage effect, using vacuum sputtering
Deposition is high with the combined strength bination of barrier layer；
Compound first PE layer steps：In the PE layers of surface recombination the first of metal level；
First PE layers are as one layer directly contacted with content；
Print steps：Printed after another side surface progress sided corona treatment to PET base material；
Spray solidification glue step：PET substrate surfaces spraying ultraviolet cured adhesive after printing；
Solidification glue is sprayed after printing, can be effectively prevented from printing-ink dizzy dye can be deformed by mechanical force；
Compound 2nd PE layer steps：The compound 2nd PE layers of PET substrate surfaces after solidification glue is sprayed, and pass through ultraviolet light
Irradiation, obtains hyperosmosis composite membrane.
For 2nd PE layers as outmost aspect, it has preferable permeability and gloss.
The hyperosmosis composite membrane that production technology provided by the invention obtains, block water with higher, hinder oxygen function, as
Packing material, it, which prints, is not easy dizzy dye, abrasion, has preferable application prospect.
Embodiment 1：
A kind of production technology of hyperosmosis composite membrane, including：
The pre-treatment step of PET base material：The PET base material that thickness is 10 μm is taken to carry out biaxial tension processing, concrete operations are such as
Under：
1) in 130 DEG C, PET base material longitudinally, laterally etc. is stretched 3 times to power；
2) by the PET base material after stretching in 205 DEG C of thermostabilizations；
3) PET base material after thermostabilization is subjected to pre- relaxation processing in 150 DEG C；
Deposited barrier layers step：Using aluminium film material as evaporation source, deposit to obtain by vacuum vapor deposition method in the side of PET base material
Thickness is 45nm barrier layer；
Deposited metal layer step：Using aluminium film material as evaporation source, sputtering vacuum deposition is harrowed by copper in barrier layer surface and obtained
25ng/cm2Metal level；
Compound first PE layer steps：It is by the compound first PE layers of extrinsion pressing, the first PE layers on the surface of metal level
Low density polyethylene (LDPE), the thickness of the first PE layers is 40 μm；
Print steps：Printed after another side surface progress sided corona treatment to PET base material；
Spray solidification glue step：PET substrate surfaces spraying ultraviolet cured adhesive after printing；
Ultraviolet cured adhesive effectively can play solidification to printing-ink, using after printing ink reduce dizzy dye,
The Probability of deformation；The quantity for spray of ultraviolet cured adhesive is 5mL/m2；
Compound 2nd PE layer steps：The compound 2nd PE layers of 330 DEG C of hot pressing of PET substrate surfaces after solidification glue is sprayed, the
The material of two PE layers is low density polyethylene (LDPE), and the thickness of the 2nd PE layers is 10 μm；And by ultraviolet light hardening with radiation, obtain hypertonic
Pressure composite membrane thoroughly.
Embodiment 2：
A kind of production technology of hyperosmosis composite membrane, including：
The pre-treatment step of PET base material：The PET base material that thickness is 10 μm is taken to carry out biaxial tension processing, concrete operations are such as
Under：
1) in 110 DEG C, PET base material longitudinally, laterally etc. is stretched 2.5 times to power；
2) by the PET base material after stretching in 210 DEG C of thermostabilizations；
3) PET base material after thermostabilization is subjected to pre- relaxation processing in 140 DEG C；
Deposited barrier layers step：Using aluminium film material as evaporation source, deposit to obtain by vacuum vapor deposition method in the side of PET base material
Thickness is 42nm barrier layer；
Deposited metal layer step：Using aluminium film material as evaporation source, sputtering vacuum deposition is harrowed by copper in barrier layer surface and obtained
30ng/cm2Metal level；
Compound first PE layer steps：It is by the compound first PE layers of extrinsion pressing, the first PE layers on the surface of metal level
Low density polyethylene (LDPE), the thickness of the first PE layers is 30 μm；
Print steps：Printed after another side surface progress sided corona treatment to PET base material；
Spray solidification glue step：PET substrate surfaces spraying ultraviolet cured adhesive after printing；
Ultraviolet cured adhesive effectively can play solidification to printing-ink, using after printing ink reduce dizzy dye,
The Probability of deformation；The quantity for spray of ultraviolet cured adhesive is 3mL/m2；
Compound 2nd PE layer steps：The compound 2nd PE layers of 310 DEG C of hot pressing of PET substrate surfaces after solidification glue is sprayed, the
The material of two PE layers is low density polyethylene (LDPE), and the thickness of the 2nd PE layers is 15 μm；And by ultraviolet light hardening with radiation, obtain hypertonic
Pressure composite membrane thoroughly.
Embodiment 3：
A kind of production technology of hyperosmosis composite membrane, including：
The pre-treatment step of PET base material：The PET base material that thickness is 10 μm is taken to carry out biaxial tension processing, concrete operations are such as
Under：
1) in 130 DEG C, PET base material longitudinally, laterally etc. is stretched 4 times to power；
2) by the PET base material after stretching in 200 DEG C of thermostabilizations；
3) PET base material after thermostabilization is subjected to pre- relaxation processing in 160 DEG C；
Deposited barrier layers step：Using aluminium film material as evaporation source, deposit to obtain by vacuum vapor deposition method in the side of PET base material
Thickness is 45nm barrier layer；
Deposited metal layer step：Using aluminium film material as evaporation source, sputtering vacuum deposition is harrowed by copper in barrier layer surface and obtained
27ng/cm2Metal level；
Compound first PE layer steps：It is by the compound first PE layers of extrinsion pressing, the first PE layers on the surface of metal level
Low density polyethylene (LDPE), the thickness of the first PE layers is 30 μm；
Print steps：Printed after another side surface progress sided corona treatment to PET base material；
Spray solidification glue step：PET substrate surfaces spraying ultraviolet cured adhesive after printing；
Ultraviolet cured adhesive effectively can play solidification to printing-ink, using after printing ink reduce dizzy dye,
The Probability of deformation；The quantity for spray of ultraviolet cured adhesive is 4mL/m2；
Compound 2nd PE layer steps：The compound 2nd PE layers of 310 DEG C of hot pressing of PET substrate surfaces after solidification glue is sprayed, the
The material of two PE layers is low density polyethylene (LDPE), and the thickness of the 2nd PE layers is 15 μm；And by ultraviolet light hardening with radiation, obtain hypertonic
Pressure composite membrane thoroughly.
Performance detection and compliance test result
The hyperosmosis composite membrane that embodiment 1-3 is obtained is examined by moisture-vapor transmission analyzer and oxygen flow instrument
Survey, its result is as shown in the table：
The permeability rate and oxygen transmission rate result of the test of the hyperosmosis composite membrane of table 1
As seen from the above table, the hyperosmosis composite membrane obtained using this production technology, it has higher to vapor, oxygen etc.
Osmotic pressure, as storing food, pharmaceutical packing material has preferable application prospect.
Above-mentioned embodiment is only the preferred embodiment of the present invention, it is impossible to the scope of protection of the invention is limited with this,
The change and replacement for any unsubstantiality that those skilled in the art is done on the basis of the present invention belong to institute of the present invention
Claimed scope.
Claims (7)
1. a kind of production technology of hyperosmosis composite membrane, including：
The pre-treatment step of PET base material：Biaxial tension processing is carried out to PET base material；
Deposited barrier layers step：Using aluminium film material as evaporation source, deposited and hindered by vacuum vapor deposition method in the side of PET base material
Interlayer；
Deposited metal layer step：Sputtering vacuum deposition is harrowed by copper in barrier layer surface and obtains metal level；
Compound first PE layer steps：In the PE layers of surface recombination the first of metal level；
Print steps：Printed after another side surface progress sided corona treatment to PET base material；
Spray solidification glue step：PET substrate surfaces spraying ultraviolet cured adhesive after printing；
Compound 2nd PE layer steps：The compound 2nd PE layers of PET substrate surfaces after solidification glue is sprayed, and pass through ultraviolet light spoke
According to obtaining hyperosmosis composite membrane.
2. production technology as claimed in claim 1, it is characterised in that the pre-treatment step of PET base material includes what is carried out successively
Stretching step, thermostabilization step and step of relaxing in advance.
3. production technology as claimed in claim 2, it is characterised in that the pre-treatment step of the PET base material includes entering successively
Capable following steps：
1) in 120-140 DEG C, PET base material longitudinally, laterally etc. is stretched 2.0-4.0 times to power；
2) by the PET base material after stretching in 200-210 DEG C of thermostabilization；
3) PET base material after thermostabilization is subjected to pre- relaxation processing in 140-160 DEG C.
4. production technology as claimed in claim 1, it is characterised in that in deposited metal layer step, steaming is used as using aluminium film material
Rise.
5. production technology as claimed in claim 1, it is characterised in that in compound first PE layer steps, using extrusion molding work
The compound first PE layers of skill, the material of the first PE layers is low density polyethylene (LDPE).
6. production technology as claimed in claim 1, it is characterised in that in spraying solidification glue step, the ultraviolet cured adhesive
Quantity for spray be 2-5mL/m2。
7. production technology as claimed in claim 1, it is characterised in that in compound 2nd PE layer steps, using thermal bonding process
Compound 2nd PE layers.
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| CN201710617742.2A CN107521210A (en) | 2017-07-26 | 2017-07-26 | A kind of production technology of hyperosmosis composite membrane |
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| CN201710617742.2A CN107521210A (en) | 2017-07-26 | 2017-07-26 | A kind of production technology of hyperosmosis composite membrane |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1588845A1 (en) * | 2004-04-22 | 2005-10-26 | Alcan Technology & Management Ltd. | Packaging film |
| CN201395295Y (en) * | 2008-12-31 | 2010-02-03 | 浙江金石包装有限公司 | Packaging bag convenient for observation |
| CN201998482U (en) * | 2010-11-02 | 2011-10-05 | 浙江金石包装有限公司 | Sealing film for thermally sealing polystyrene connecting cup |
| CN202054242U (en) * | 2010-11-02 | 2011-11-30 | 浙江金石包装有限公司 | Negative and positive Internal-external packaging bag |
| CN102729542A (en) * | 2012-07-03 | 2012-10-17 | 上海紫江彩印包装有限公司 | High-separation thin film for heat-preservation material and manufacturing method thereof |
| CN203093202U (en) * | 2012-12-28 | 2013-07-31 | 苏州思展实业有限公司 | Anti-static separated moistureproof film |
| CN203186750U (en) * | 2013-03-29 | 2013-09-11 | 海宁长宇镀铝材料有限公司 | Air adjusting type packaging bag |
| CN103522661A (en) * | 2013-10-20 | 2014-01-22 | 江苏申凯包装高新技术股份有限公司 | High-barrier milk powder packaging film |
| CN204160828U (en) * | 2014-09-10 | 2015-02-18 | 江阴宝柏包装有限公司 | High-brightness cosmetic composite sheet |
-
2017
- 2017-07-26 CN CN201710617742.2A patent/CN107521210A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1588845A1 (en) * | 2004-04-22 | 2005-10-26 | Alcan Technology & Management Ltd. | Packaging film |
| CN201395295Y (en) * | 2008-12-31 | 2010-02-03 | 浙江金石包装有限公司 | Packaging bag convenient for observation |
| CN201998482U (en) * | 2010-11-02 | 2011-10-05 | 浙江金石包装有限公司 | Sealing film for thermally sealing polystyrene connecting cup |
| CN202054242U (en) * | 2010-11-02 | 2011-11-30 | 浙江金石包装有限公司 | Negative and positive Internal-external packaging bag |
| CN102729542A (en) * | 2012-07-03 | 2012-10-17 | 上海紫江彩印包装有限公司 | High-separation thin film for heat-preservation material and manufacturing method thereof |
| CN203093202U (en) * | 2012-12-28 | 2013-07-31 | 苏州思展实业有限公司 | Anti-static separated moistureproof film |
| CN203186750U (en) * | 2013-03-29 | 2013-09-11 | 海宁长宇镀铝材料有限公司 | Air adjusting type packaging bag |
| CN103522661A (en) * | 2013-10-20 | 2014-01-22 | 江苏申凯包装高新技术股份有限公司 | High-barrier milk powder packaging film |
| CN204160828U (en) * | 2014-09-10 | 2015-02-18 | 江阴宝柏包装有限公司 | High-brightness cosmetic composite sheet |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20191106 Address after: 510000 Guangdong city of Guangzhou Province Economic and Technological Development Zone Ming Hua Street No. 4 SuiXing Arts crafts emporium 7 buildings B Applicant after: Guangmeng (Guangzhou) Packaging Co., Ltd. Address before: 510530 General Building No. 233 of Guangzhou economic and Technological Development Zone, Guangzhou economic and Technological Development Zone, Guangzhou City, Guangdong Applicant before: Guangzhou Ying map nobelium New Material Co. Ltd. |
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Application publication date: 20171229 |