CN111070835A - Antibacterial and ultraviolet-resistant polyethylene film and preparation process thereof - Google Patents

Antibacterial and ultraviolet-resistant polyethylene film and preparation process thereof Download PDF

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Publication number
CN111070835A
CN111070835A CN201911232720.XA CN201911232720A CN111070835A CN 111070835 A CN111070835 A CN 111070835A CN 201911232720 A CN201911232720 A CN 201911232720A CN 111070835 A CN111070835 A CN 111070835A
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CN
China
Prior art keywords
ultraviolet
film
antibacterial
preparation process
polyethylene film
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
CN201911232720.XA
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Chinese (zh)
Inventor
贾志强
杨理玲
杨斌
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Anrui Innovation Semiconductor Shenzhen Co Ltd
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Anrui Innovation Semiconductor Shenzhen Co Ltd
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Priority to CN201911232720.XA priority Critical patent/CN111070835A/en
Publication of CN111070835A publication Critical patent/CN111070835A/en
Withdrawn legal-status Critical Current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
    • B32B27/32—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
    • B32B27/06—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
    • B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/18—Manufacture of 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
    • B32B2250/00—Layers arrangement
    • B32B2250/03—3 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
    • 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
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/71—Resistive to light or to UV
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2323/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2323/02—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers not modified by chemical after treatment
    • C08J2323/04—Homopolymers or copolymers of ethene
    • C08J2323/06—Polyethene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/24—Acids; Salts thereof
    • C08K3/26—Carbonates; Bicarbonates
    • C08K2003/265—Calcium, strontium or barium carbonate

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)

Abstract

The invention discloses an antibacterial ultraviolet-resistant polyethylene film and a preparation process thereof. The polyethylene film is prepared by adopting a three-layer co-extrusion blow molding process and film forming treatment, and the blow molding under the process condition has a good fresh-keeping effect.

Description

Antibacterial and ultraviolet-resistant polyethylene film and preparation process thereof
Technical Field
The invention relates to the field of polyethylene films, in particular to an antibacterial ultraviolet-resistant polyethylene film and a preparation process thereof.
Background
PE film, polyethylene film, refers to a film produced from PE film. The PE film has moisture resistance and small moisture permeability. The polyethylene film (PE) can be used for manufacturing products with different properties such as low-density, medium-density and high-density polyethylene, crosslinked polyethylene and the like according to different manufacturing methods and control means.
However, the existing polyethylene film has poor fresh-keeping effect. Accordingly, those skilled in the art have provided an antibacterial ultraviolet resistant polyethylene film and a process for preparing the same to solve the problems set forth in the background art.
Disclosure of Invention
The invention aims to provide an antibacterial ultraviolet-resistant polyethylene film and a preparation process thereof, and aims to solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme:
an antibacterial ultraviolet-resistant polyethylene film is prepared through three-layer co-extrusion blow moulding and filming, and has a first surface layer, a core layer and a second surface layer.
The film forming method comprises the following steps of adding 3 parts of shading and ultraviolet resistant master batches to a first surface layer, a core layer and a second surface layer, wherein the mass of high-density polyethylene and low-density polyethylene of the first surface layer and the second surface layer is 1: 1, the core layer is composed of low-density polyethylene, leftover materials and calcium carbonate, the mass ratio of the low-density polyethylene leftover materials to the calcium carbonate is 100: 15: 30, the shading and ultraviolet resistant master batches are added into the low-density polyethylene, the leftover materials and the calcium carbonate and are mixed with each other to form the core layer, and the film forming treatment comprises the following steps: the three-layer co-blow molding process comprises the following steps of film forming by lifting, drying in a greenhouse and film uncovering: the method comprises the steps of feeding by a hopper, plasticizing and extruding materials, carrying out inflation traction, cooling by an air ring, carrying out herringbone clamping plate traction by a traction roller, cutting edges and carrying out film forming, wherein the plasticizing and extruding temperature of the materials is 160-170 ℃, the inflation traction is divided into an inflation ratio and a traction ratio, the inflation ratio is 2.5-3.0, and the traction ratio is 4-6.
Compared with the prior art, the invention has the beneficial effects that:
the polyethylene film is prepared by adopting a three-layer co-extrusion blow molding process and film forming treatment, and the blow molding under the process condition has a good fresh-keeping effect.
Drawings
Fig. 1 is a schematic structural diagram of an antibacterial ultraviolet-resistant polyethylene film and a preparation process thereof.
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, in the embodiment of the present invention, an antibacterial ultraviolet resistant polyethylene film and a preparation process thereof are provided, in which a three-layer co-extrusion blow molding process and a film forming process are adopted to prepare the polyethylene film, and the polyethylene film is divided into a first surface layer, a core layer and a second surface layer.
The film forming method comprises the following steps of adding 3 parts of shading and ultraviolet resistant master batches to a first surface layer, a core layer and a second surface layer, wherein the mass of high-density polyethylene and low-density polyethylene of the first surface layer and the second surface layer is 1: 1, the core layer is composed of low-density polyethylene, leftover materials and calcium carbonate, the mass ratio of the low-density polyethylene leftover materials to the calcium carbonate is 100: 15: 30, the shading and ultraviolet resistant master batches are added into the low-density polyethylene, the leftover materials and the calcium carbonate and are mixed with each other to form the core layer, and the film forming treatment comprises the following steps: the three-layer co-blow molding process comprises the following steps of film forming by lifting, drying in a greenhouse and film uncovering: the method comprises the steps of feeding by a hopper, plasticizing and extruding materials, carrying out inflation traction, cooling by an air ring, carrying out herringbone clamping plate traction by a traction roller, cutting edges and carrying out film forming, wherein the plasticizing and extruding temperature of the materials is 160-170 ℃, the inflation traction is divided into an inflation ratio and a traction ratio, the inflation ratio is 2.5-3.0, and the traction ratio is 4-6.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (8)

1. The antibacterial and ultraviolet-resistant polyethylene film is characterized in that the polyethylene film is prepared by adopting a three-layer co-extrusion blow molding process and a film forming treatment and is divided into a first surface layer, a core layer and a second surface layer.
2. The antibacterial and ultraviolet-resistant polyethylene film and the preparation process thereof as claimed in claim 1, wherein 3 parts of light-shielding and ultraviolet-resistant master batch are added to the first surface layer, the core layer and the second surface layer.
3. The antibacterial and ultraviolet-resistant polyethylene film and the preparation process thereof as claimed in claim 1, wherein the mass ratio of the high density polyethylene to the low density polyethylene of the first surface layer to the second surface layer is 1: 1.
4. The antibacterial and ultraviolet-resistant polyethylene film as claimed in claim 2, and the preparation process thereof, wherein the core layer is prepared from low-density polyethylene, leftover materials and calcium carbonate, the mass ratio of the low-density polyethylene leftover materials to the calcium carbonate is 100: 15: 30, and the light-shielding and ultraviolet-resistant master batch is added into the low-density polyethylene, leftover materials and the calcium carbonate and mixed with the low-density polyethylene leftover materials and the calcium carbonate to prepare the core layer.
5. The antibacterial and ultraviolet-resistant polyethylene film and the preparation process thereof as claimed in claim 4, wherein the film forming process comprises the following steps: lifting to form a film, drying in a greenhouse and uncovering the film.
6. The antibacterial and ultraviolet-resistant polyethylene film and the preparation process thereof as claimed in claim 1, wherein the three-layer co-blowing process comprises the following steps: feeding a hopper, plasticizing and extruding materials, blowing and drawing, cooling an air ring, carrying out herringbone clamping plates, drawing by a drawing roller, trimming and forming a film.
7. The antibacterial and ultraviolet-resistant polyethylene film as claimed in claim 6, and the preparation process thereof, wherein the material plasticizing extrusion temperature is 160-170 ℃.
8. The antibacterial ultraviolet-resistant polyethylene film and the preparation process thereof as claimed in claim 6, wherein the inflation traction is divided into an inflation ratio and a traction ratio, the inflation ratio is 2.5-3.0, and the traction ratio is 4-6.
CN201911232720.XA 2019-12-02 2019-12-02 Antibacterial and ultraviolet-resistant polyethylene film and preparation process thereof Withdrawn CN111070835A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911232720.XA CN111070835A (en) 2019-12-02 2019-12-02 Antibacterial and ultraviolet-resistant polyethylene film and preparation process thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911232720.XA CN111070835A (en) 2019-12-02 2019-12-02 Antibacterial and ultraviolet-resistant polyethylene film and preparation process thereof

Publications (1)

Publication Number Publication Date
CN111070835A true CN111070835A (en) 2020-04-28

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CN201911232720.XA Withdrawn CN111070835A (en) 2019-12-02 2019-12-02 Antibacterial and ultraviolet-resistant polyethylene film and preparation process thereof

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112477348A (en) * 2020-12-28 2021-03-12 泉州市洛江奎芳保洁有限公司 Preservative film with high ultraviolet radiation resistance and oxidation resistance and production process thereof
CN112549708A (en) * 2020-12-31 2021-03-26 黄山源点新材料科技有限公司 Stretch-resistant net-shaped winding film and preparation method thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112477348A (en) * 2020-12-28 2021-03-12 泉州市洛江奎芳保洁有限公司 Preservative film with high ultraviolet radiation resistance and oxidation resistance and production process thereof
CN112549708A (en) * 2020-12-31 2021-03-26 黄山源点新材料科技有限公司 Stretch-resistant net-shaped winding film and preparation method thereof

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Application publication date: 20200428