CN111993729A - Polypropylene anti-sticking film with aluminized barrier - Google Patents

Polypropylene anti-sticking film with aluminized barrier Download PDF

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Publication number
CN111993729A
CN111993729A CN202010886525.5A CN202010886525A CN111993729A CN 111993729 A CN111993729 A CN 111993729A CN 202010886525 A CN202010886525 A CN 202010886525A CN 111993729 A CN111993729 A CN 111993729A
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CN
China
Prior art keywords
film
sticking
sticking film
polypropylene
aluminize
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Pending
Application number
CN202010886525.5A
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Chinese (zh)
Inventor
庞艳
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Zibo Jin Hao Plastic New Material Ltd By Share Ltd
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Zibo Jin Hao Plastic New Material Ltd By Share Ltd
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Priority to CN202010886525.5A priority Critical patent/CN111993729A/en
Publication of CN111993729A publication Critical patent/CN111993729A/en
Pending legal-status Critical Current

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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
    • 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
    • B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D65/00—Wrappers or flexible covers; Packaging materials of special type or form
    • B65D65/38—Packaging materials of special type or form
    • B65D65/40—Applications of laminates for particular packaging purposes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D65/00—Wrappers or flexible covers; Packaging materials of special type or form
    • B65D65/38—Packaging materials of special type or form
    • B65D65/42—Applications of coated or impregnated materials
    • 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
    • B32B2250/242—All polymers belonging to those covered by group B32B27/32
    • 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
    • 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
    • B32B2255/00—Coating on the layer surface
    • B32B2255/26—Polymeric 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
    • B32B2264/00—Composition or properties of particles which form a particulate layer or are present as additives
    • B32B2264/10—Inorganic particles
    • B32B2264/104—Oxysalt, e.g. carbonate, sulfate, phosphate or nitrate particles
    • 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
    • B32B2307/724—Permeability to gases, adsorption
    • B32B2307/7242—Non-permeable
    • B32B2307/7244—Oxygen barrier
    • 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
    • B32B2307/726—Permeability to liquids, absorption
    • B32B2307/7265—Non-permeable
    • 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
    • B32B2553/00—Packaging equipment or accessories not otherwise provided for
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D2565/00—Wrappers or flexible covers; Packaging materials of special type or form
    • B65D2565/38—Packaging materials of special type or form
    • B65D2565/381—Details of packaging materials of special type or form
    • B65D2565/387—Materials used as gas barriers

Abstract

The invention relates to the technical field of polypropylene films and discloses an anti-sticking film with an aluminized barrier, which comprises an anti-sticking film base material, wherein an aluminized film is plated on the top of the anti-sticking film base material, and an anti-sticking layer is coated on the top of the aluminized film. This area aluminize separation polypropylene anti-sticking film, vacuum aluminize through the outer surface at anti-sticking film substrate, make it form a compact coating on the surface of anti-sticking film substrate, the transmissivity of this coating oxygen reduces 70-90% before not aluminizing, aluminize the membrane has increased the polarity on anti-sticking film substrate surface, easily the adhesion of anti-sticking layer, then thermosetting silicone resin on aluminize the surface map, the three makes up into aluminize separation PP anti-sticking film, this aluminize separation PP anti-sticking film is good to the barrier property of oxygen, above-mentioned aluminize separation PP anti-sticking film, both can separate outer oxygen permeation membrane reach the self-adhesive surface, make self-adhesive age reduce or lose viscidity, also can prevent that inner oil from outwards oozing to the membrane surface and make the membrane discolour.

Description

Polypropylene anti-sticking film with aluminized barrier
Technical Field
The invention relates to the technical field of polypropylene films, in particular to an anti-sticking film with aluminized barrier polypropylene.
Background
Polypropylene has light weight, low cost, excellent mechanical performance and good processability, so that the polypropylene is widely applied to automobiles, household appliances and electronic and electrical appliances, but the polypropylene has large molding shrinkage, high brittleness, low notch impact strength, especially low-temperature impact and poor barrier property to hydrocarbon liquid and gas, the defects seriously affect the application effect and the application field of the polypropylene, and EVOH (ethylene-vinyl alcohol copolymer) has good barrier property to gas, solvent and the like.
Polypropylene has good resistant oil and solvent resistance, fabulous antistatic properties to can regenerate, belong to green material, the wide application is in the packing field at present, but the outside self-adhesive of polypropylene membrane contacts with the oxygen in the air, and ageing appears easily in the self-adhesive, loses viscidity gradually, and the oil of polypropylene membrane inlayer can lead to it to appear discolouing mutually outside infiltration, so proposes a band aluminizing separation polypropylene anti-sticking film and solves the above-mentioned problem of proposing.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides the aluminized barrier polypropylene anti-sticking film which has the advantages of enhancing the bonding strength of the polypropylene film and the like, and solves the problems that the self-adhesive glue on the outer part of the polypropylene film is easy to age and gradually lose viscosity when being contacted with oxygen in the air, and the oil on the inner layer of the polypropylene film can permeate to the outer part to cause the discoloration of the polypropylene film.
(II) technical scheme
In order to achieve the purpose of enhancing the bonding strength of the polypropylene film, the invention provides the following technical scheme:
the anti-sticking film comprises an anti-sticking film base material, wherein an aluminum-plated film is plated on the top of the anti-sticking film base material, and an anti-sticking layer is coated on the top of the aluminum-plated film.
Preferably, the thickness of the anti-sticking film substrate is 25-40um, the anti-sticking film substrate is a cast polypropylene film, the cast polypropylene film is divided into three layers, the three layers comprise polypropylene homo pp, random copolymer polypropylene rapp, color master and nano CaCO3, and the thickness proportion of the three layers is different.
Preferably, the aluminum-plated film has a thickness of 400 angstroms and is an aluminum-plated layer.
Preferably, the release layer is a heat-cured silicone resin.
(III) advantageous effects
Compared with the prior art, the invention provides the anti-sticking film with the aluminized barrier polypropylene, which has the following beneficial effects:
this area aluminize separation polypropylene anti-sticking film, vacuum aluminize through the outer surface at anti-sticking film substrate, make it form a compact coating on the surface of anti-sticking film substrate, the permeability of this coating oxygen reduces 70-90% before not aluminizing, aluminize the membrane has increased the polarity on anti-sticking film substrate surface, easily the adhesion of anti-sticking layer, then thermosetting silicone resin on aluminize the surface map of membrane, the three makes up into aluminize separation PP anti-sticking film, this aluminize separation PP anti-sticking film is better than the barrier nature to oxygen of current aluminize separation Pe, above-mentioned aluminize separation PP anti-sticking film, both can separate outer oxygen to permeate through the membrane and reach the self-adhesive surface, make the self-adhesive age reduce or lose viscidity, also can prevent that inner oil from outwards oozing to the membrane surface and make the membrane discolour.
Drawings
FIG. 1 is a cross-sectional view of a structure of an anti-sticking film with an aluminized barrier polypropylene according to the present invention;
FIG. 2 is a front view of a structure of an anti-sticking film with an aluminized barrier polypropylene according to the present invention.
In the figure: 1 anti-sticking film substrate, 2 aluminized films and 3 anti-sticking layers.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, an anti-adhesion film with an aluminum-plated barrier polypropylene comprises an anti-adhesion film substrate 1, wherein the thickness of the anti-adhesion film substrate 1 is 25-40um, the anti-adhesion film substrate 1 is a cast polypropylene film, the cast polypropylene film is divided into three layers, the three layers comprise polypropylene homo pp, random copolymer polypropylene rapp, color master and nano CaCO3, the thickness ratio of the three layers is different, an aluminum-plated film 2 is plated on the top of the anti-adhesion film substrate 1, the thickness of the aluminum-plated film 2 is 400 angstroms, the aluminum-plated film 2 is an aluminum-plated layer, an anti-adhesion layer 3 is coated on the top of the aluminum-plated film 2, and the anti-adhesion layer 3 is a thermosetting silicone resin, so that the purpose of enhancing the adhesion strength of the.
When the anti-sticking film is used, vacuum aluminum plating is carried out on the surface of the outer layer of the anti-sticking film base material 1, so that a compact coating is formed on the surface of the anti-sticking film base material 1, the oxygen transmittance of the coating is reduced by 70-90% compared with that before aluminum plating, the polarity of the surface of the anti-sticking film base material 1 is increased by the aluminum plating film 2, the adhesion of the anti-sticking layer 3 is easy, then thermosetting silicon resin is coated on the surface map of the aluminum plating film 2, the three components form the aluminum plating barrier PP anti-sticking film, the barrier property of the aluminum plating barrier PP anti-sticking film is better than that of the existing aluminum plating barrier Pe to oxygen, the aluminum plating barrier PP anti-sticking film can prevent the oxygen of the outer layer from penetrating through the film to reach the surface of the self-sticking adhesive, so that the self-sticking adhesive is.
To sum up, the aluminized barrier polypropylene anti-sticking film has the advantages that the outer layer surface of the anti-sticking film base material 1 is aluminized in vacuum, so that a compact coating is formed on the surface of the anti-sticking film base material 1, the oxygen transmittance of the coating is reduced by 70-90% compared with that before aluminizing, the polarity of the surface of the anti-sticking film base material 1 is increased by the aluminized film 2, the adhesion of the anti-sticking layer 3 is easy, then the silicon resin is thermally cured on the surface diagram of the aluminized film 2, the aluminized barrier PP anti-sticking film is combined by the three to form the aluminized barrier PP anti-sticking film, the aluminized barrier PP anti-sticking film has better oxygen barrier property than the existing aluminized barrier Pe, the aluminized barrier PP anti-sticking film can prevent the outer layer oxygen from penetrating through the film to reach the surface of the self-sticking adhesive, so that the self-sticking adhesive is aged or loses viscosity, and can also prevent the inner layer oil, the self-adhesive is easy to age and gradually loses viscosity, and the oil in the inner layer of the polypropylene film can permeate from the outside to cause the discoloration of the polypropylene film.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (4)

1. An anti-sticking film with aluminized barrier polypropylene comprises an anti-sticking film substrate (1) and is characterized in that: the anti-sticking film is characterized in that an aluminum-plated film (2) is plated on the top of the anti-sticking film base material (1), and an anti-sticking layer (3) is coated on the top of the aluminum-plated film (2).
2. The aluminized barrier polypropylene release film according to claim 1, wherein: the anti-sticking film is characterized in that the thickness of the anti-sticking film substrate (1) is 25-40 mu m, the anti-sticking film substrate (1) is a cast polypropylene film, the cast polypropylene film is divided into three layers, the three layers comprise polypropylene homo pp, random copolymer polypropylene rapp, color master and nano CaCO3, and the thickness proportion of the three layers is different.
3. The aluminized barrier polypropylene release film according to claim 1, wherein: the thickness of the aluminum-plated film (2) is 400 angstroms, and the aluminum-plated film (2) is an aluminum-plated layer.
4. The aluminized barrier polypropylene release film according to claim 1, wherein: the anti-sticking layer (3) is thermosetting silicone resin.
CN202010886525.5A 2020-08-28 2020-08-28 Polypropylene anti-sticking film with aluminized barrier Pending CN111993729A (en)

Priority Applications (1)

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CN202010886525.5A CN111993729A (en) 2020-08-28 2020-08-28 Polypropylene anti-sticking film with aluminized barrier

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Application Number Priority Date Filing Date Title
CN202010886525.5A CN111993729A (en) 2020-08-28 2020-08-28 Polypropylene anti-sticking film with aluminized barrier

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CN111993729A true CN111993729A (en) 2020-11-27

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Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201801965U (en) * 2010-06-24 2011-04-20 唐山德生防水材料有限公司 Metal-coated release liner for self-adhesive waterproof roll material
CN107089065A (en) * 2017-04-05 2017-08-25 浙江欧仁新材料有限公司 A kind of preparation method of holographic false proof mould release membrance
CN107972346A (en) * 2017-12-15 2018-05-01 广东威孚包装材料有限公司 A kind of CPP high temperature resistants protective film basement membrane and preparation method thereof
CN109968762A (en) * 2018-12-24 2019-07-05 江西省通瑞新能源科技发展有限公司 A kind of aluminum-plastic composite membrane cast polypropylene film and preparation method thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201801965U (en) * 2010-06-24 2011-04-20 唐山德生防水材料有限公司 Metal-coated release liner for self-adhesive waterproof roll material
CN107089065A (en) * 2017-04-05 2017-08-25 浙江欧仁新材料有限公司 A kind of preparation method of holographic false proof mould release membrance
CN107972346A (en) * 2017-12-15 2018-05-01 广东威孚包装材料有限公司 A kind of CPP high temperature resistants protective film basement membrane and preparation method thereof
CN109968762A (en) * 2018-12-24 2019-07-05 江西省通瑞新能源科技发展有限公司 A kind of aluminum-plastic composite membrane cast polypropylene film and preparation method thereof

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