CN111361185A - Preparation method and device of functional PE film - Google Patents

Preparation method and device of functional PE film Download PDF

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Publication number
CN111361185A
CN111361185A CN202010297109.1A CN202010297109A CN111361185A CN 111361185 A CN111361185 A CN 111361185A CN 202010297109 A CN202010297109 A CN 202010297109A CN 111361185 A CN111361185 A CN 111361185A
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Prior art keywords
parts
film
lead screw
density polyethylene
motor
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Inventor
黄存文
方黄根
吴鹏飞
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Anhui Huazheng Government Printing Co ltd
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Anhui Huazheng Government Printing Co ltd
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Priority to CN202010297109.1A priority Critical patent/CN111361185A/en
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    • 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
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D1/00—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor
    • B26D1/01—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work
    • B26D1/12—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis
    • B26D1/14—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a circular cutting member, e.g. disc cutter
    • B26D1/143—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a circular cutting member, e.g. disc cutter rotating about a stationary axis
    • B26D1/15—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a circular cutting member, e.g. disc cutter rotating about a stationary axis with vertical cutting member
    • B26D1/151—Cutting through work characterised by the nature or movement of the cutting member or particular materials not otherwise provided for; Apparatus or machines therefor; Cutting members therefor involving a cutting member which does not travel with the work having a cutting member moving about an axis with a circular cutting member, e.g. disc cutter rotating about a stationary axis with vertical cutting member for thin material, e.g. for sheets, strips or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/01—Means for holding or positioning work
    • B26D7/015—Means for holding or positioning work for sheet material or piles of sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/01—Means for holding or positioning work
    • B26D7/02—Means for holding or positioning work with clamping means
    • B26D7/025—Means for holding or positioning work with clamping means acting upon planar surfaces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/27—Means for performing other operations combined with cutting
    • B26D7/32—Means for performing other operations combined with cutting for conveying or stacking cut product
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
    • B29B17/00—Recovery of plastics or other constituents of waste material containing plastics
    • 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
    • B26—HAND CUTTING TOOLS; CUTTING; SEVERING
    • B26D—CUTTING; DETAILS COMMON TO MACHINES FOR PERFORATING, PUNCHING, CUTTING-OUT, STAMPING-OUT OR SEVERING
    • B26D7/00—Details of apparatus for cutting, cutting-out, stamping-out, punching, perforating, or severing by means other than cutting
    • B26D7/27—Means for performing other operations combined with cutting
    • B26D7/32—Means for performing other operations combined with cutting for conveying or stacking cut product
    • B26D2007/322—Means for performing other operations combined with cutting for conveying or stacking cut product the cut products being sheets, e.g. sheets of paper
    • 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
    • C08J2323/08—Copolymers of ethene
    • 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
    • C08J2403/00—Characterised by the use of starch, amylose or amylopectin or of their derivatives or degradation products
    • C08J2403/04—Starch derivatives
    • C08J2403/08—Ethers
    • 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
    • C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2423/02—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
    • C08J2423/04—Homopolymers or copolymers of ethene
    • C08J2423/06—Polyethene
    • 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
    • C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2423/02—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
    • C08J2423/04—Homopolymers or copolymers of ethene
    • C08J2423/08—Copolymers of ethene
    • 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
    • C08J2423/00—Characterised by the use of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Derivatives of such polymers
    • C08J2423/02—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
    • C08J2423/10—Homopolymers or copolymers of propene
    • C08J2423/14—Copolymers of propene
    • 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
    • C08J2467/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
    • 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
    • C08K5/00—Use of organic ingredients
    • C08K5/04—Oxygen-containing compounds
    • C08K5/05—Alcohols; Metal alcoholates
    • C08K5/053—Polyhydroxylic alcohols
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/62—Plastics recycling; Rubber recycling

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Forests & Forestry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Environmental & Geological Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Materials Engineering (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)

Abstract

The invention discloses a preparation method and a device of a functional PE film, wherein the preparation method comprises the steps of raw material preparation, mixed feeding, plasticization, extrusion, impurity filtering, blowing traction, air ring cooling, corona treatment, trimming recovery and finished product winding; the preparation device comprises a supporting seat, a conveying belt, a sliding groove, a first lead screw, a sliding block, a second lead screw and a cutting knife. The invention has simple process, high production efficiency and reduced production cost; the PE films with different protection characteristics are designed aiming at the actual situation on the basis of the basic formula, the application range is wide, and the protection has pertinence; adopt side cut recovery unit, after the PE membrane of production was cut edge, retrieve its waste material and recycle, avoided unnecessary extravagant. The problems that the production process flow of the PE film is complex, the cost is high, and the protection effects on oil resistance, corrosion resistance, mildew resistance, static resistance, high and low temperature resistance and the like are not obvious in the prior art are solved.

Description

Preparation method and device of functional PE film
Technical Field
The invention belongs to the field of PE (polyethylene) films, and particularly relates to a preparation method and a preparation device of a functional PE film.
Background
The PE protective film is a macromolecular organic compound with the simplest structure, and is a macromolecular material which is widely applied in the world nowadays. The PE protective film takes a special polyethylene plastic film as a base material and is divided into a high-density polyethylene protective film, medium-density polyethylene and low-density polyethylene according to different densities. The PE protective film has the greatest advantages that the protected product is not polluted, corroded or scratched in the production, processing, transportation, storage and use processes, and the original bright and clean surface is protected, so that the quality of the product is improved, and the market competitiveness is improved.
With the continuous expansion of the application range of PE films, the special performance of products requires that the wrappage has special performance to ensure the product quality. Most of traditional PE films only can play a physical protection role, but the protection effects on oil resistance, corrosion resistance, mildew resistance, static resistance, high and low temperature resistance and other conditions are not obvious, and the production process flow of the traditional PE films is complex and high in cost. Aiming at the problems, the invention analyzes the compatibility of the auxiliary material and the polyethylene material through various properties of the packaged product, selects a proper excitation material, enables the PE film to have the functions of oil resistance, corrosion resistance, mildew resistance, static resistance, high and low temperature resistance, rapid degradation and the like, and innovatively develops and simultaneously has the multifunctional fused PE film.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide a preparation method and a device of a functional PE film, and solves the problems that the production process flow of the PE film is complex, the cost is high, and the protection effects on oil resistance, corrosion resistance, mildew resistance, static resistance, high and low temperature resistance and the like are not obvious in the prior art.
The purpose of the invention can be realized by the following technical scheme:
a preparation method of a functional PE film comprises an oil-proof PE film, an antistatic PE film, a degradable PE film and a flame-retardant high-temperature-resistant PE film.
The oil-proof PE film comprises the following raw material components in parts by weight: 60-65 parts of linear low-density polyethylene, 30-35 parts of low-density polyethylene, 5-10 parts of metallocene polyethylene and 0.5-1 part of antistatic agent.
The antistatic PE film comprises the following raw material components in parts by weight: 60-65 parts of linear low-density polyethylene, 30-35 parts of low-density polyethylene, 5-10 parts of metallocene polyethylene and 0.5-1 part of antistatic agent.
The degradable PE film comprises the following raw material components in parts by weight: 60-65 parts of linear low-density polyethylene, 30-35 parts of low-density polyethylene, 5-10 parts of metallocene polyethylene, 10-15 parts of hydroxypropyl starch, 1-5 parts of ethylene acrylic acid copolymer and 1-5 parts of glycerol plasticizer.
The flame-retardant high-temperature-resistant PE film comprises the following raw material components in parts by weight: 60-65 parts of linear low-density polyethylene, 30-35 parts of low-density polyethylene, 5-10 parts of metallocene polyethylene, 15-20 parts of ethylene acrylic acid copolymer, 1-5 parts of copolymerized propylene, 1-5 parts of high-polyester environment-friendly resin and 0.1-1 part of antioxidant.
A preparation method of a functional PE film comprises the following steps:
s1, preparing raw materials: weighing all the raw materials according to the formula ratio;
s2, mixing and feeding: feeding all the raw materials through a hopper, and mixing and stirring;
s3, plasticizing: transferring the raw materials after mixing and heating for plasticizing;
s4, extrusion: extruding the mixture after plasticizing;
s5, filtering impurities: filtering to remove impurities;
s6, inflation and traction: the inflation film machine compresses air to blow to form a bubble tube method film;
s7, cooling the air ring: cooling by blowing through an air ring;
s8, corona treatment: applying high-frequency and high-voltage electricity to generate high-frequency and high-voltage discharge so as to increase the surface roughness, the surface area and the surface energy;
s9, trimming and recycling: cutting off and recycling the redundant part of the side edge of the produced PE film;
s10, winding of finished products: the rolled paper is rolled and stored.
The mixing time of the mixed material is 10-15min, and the stirring speed is controlled to be 800-1000 r/min.
The plasticizing temperature is 600-800 ℃, and the time is 2-3 hours.
The cooling time of the air ring is 2-3 hours.
The utility model provides a preparation facilities of functional type PE membrane, includes the supporting seat, be equipped with conveyer belt and fender arm on the supporting seat, the one end of supporting seat is equipped with first motor, the output intercommunication supporting seat of first motor is connected with the conveyer belt transmission.
The both sides of supporting seat are equipped with the spout, the one end of spout is equipped with the second motor, the support frame lower extreme is arranged in to the supporting seat.
A first lead screw is arranged in the sliding groove, penetrates through the sliding block and is in threaded fit with the sliding block.
The slider is provided with a base, the base is provided with a second lead screw and a lead screw protective shell, the second lead screw is arranged in the lead screw protective shell, one end of the base is provided with a third motor, and the output end of the third motor is communicated with the base and is in transmission connection with the second lead screw.
The second lead screw penetrates through the connecting rod and is in threaded fit with the connecting rod, a cutting knife is fixedly arranged at one end of the connecting rod, a fourth motor is arranged on the connecting rod, and the output end of the fourth motor is communicated with the connecting rod and is in transmission connection with the cutting knife.
And two ends of the supporting seat are provided with waste recovery grooves.
The supporting frame is provided with a supporting plate, the supporting plate is provided with a first air cylinder, and the output end of the first air cylinder penetrates through the supporting plate.
And a second cylinder is arranged in the supporting seat.
The invention has the beneficial effects that:
1. the invention has simple process, high production efficiency and reduced production cost;
2. the invention designs the PE films with different protection characteristics aiming at the actual situation on the basis of the basic formula, the application range is wide, and the protection has pertinence;
3. according to the invention, the trimming recovery device is adopted, and the waste material of the produced PE film is recycled after trimming, so that unnecessary waste is avoided.
Drawings
In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present invention, the drawings used in the description of the embodiments or prior art will be briefly described below, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a schematic structural view of a trimming recycling apparatus according to an embodiment of the present invention;
FIG. 2 is a top view of the trim reclamation apparatus of an embodiment of the present invention;
FIG. 3 is an enlarged schematic view at A of FIG. 1;
FIG. 4 is an enlarged schematic view at B of FIG. 1;
FIG. 5 is an enlarged schematic view at C of FIG. 2;
fig. 6 is a front view of the trim reclamation apparatus of an embodiment of the present invention.
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.
In the description of the present invention, it is to be understood that the terms "opening," "upper," "lower," "thickness," "top," "middle," "length," "inner," "peripheral," and the like are used in an orientation or positional relationship that is merely for convenience in describing and simplifying the description, and do not indicate or imply that the referenced component or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present invention.
The oil-proof PE film comprises the following raw material components in parts by weight: 60-65 parts of linear low-density polyethylene, 30-35 parts of low-density polyethylene, 5-10 parts of metallocene polyethylene, 5-10 parts of polypropylene and 0.01-0.1 part of free radical initiator.
Example 1
The oil-proof PE film comprises the following raw material components in parts by weight: linear low density polyethylene 60, low density polyethylene 30, metallocene polyethylene 5, polypropylene 5, free radical initiator 0.01.
S1, preparing raw materials: weighing all the raw materials according to the formula ratio;
s2, mixing and feeding: feeding all the raw materials through a hopper, mixing and stirring for 10min, and controlling the stirring speed to be 800 revolutions per minute;
s3, plasticizing: after the mixing is finished, transferring the raw materials and heating and plasticizing, wherein the heating temperature is controlled to be 600 ℃, and the heating time is 3 hours;
s4, extrusion: extruding the mixture after plasticizing;
s5, filtering impurities: filtering to remove impurities;
s6, inflation and traction: the inflation film machine compresses air to blow to form a bubble tube method film;
s7, cooling the air ring: cooling by blowing through an air ring, wherein the cooling time is controlled to be 2 hours;
s8, corona treatment: applying high-frequency and high-voltage electricity to generate high-frequency and high-voltage discharge so as to increase the surface roughness, the surface area and the surface energy;
s9, trimming and recycling: cutting off and recycling the redundant part of the side edge of the produced PE film;
s10, winding of finished products: the rolled paper is rolled and stored.
Example 2
The oil-proof PE film comprises the following raw material components in parts by weight: linear low density polyethylene 65, low density polyethylene 35, metallocene polyethylene 10, polypropylene 10, free radical initiator 0.1.
S1, preparing raw materials: weighing all the raw materials according to the formula ratio;
s2, mixing and feeding: feeding all the raw materials through a hopper, mixing and stirring for 15min, and controlling the stirring speed to be 1000 revolutions per minute;
s3, plasticizing: after the mixing is finished, transferring the raw materials, heating and plasticizing, controlling the heating temperature to be 800 ℃, and the heating time to be 2 hours;
s4, extrusion: extruding the mixture after plasticizing;
s5, filtering impurities: filtering to remove impurities;
s6, inflation and traction: the inflation film machine compresses air to blow to form a bubble tube method film;
s7, cooling the air ring: cooling by blowing through an air ring, wherein the cooling time is controlled to be 3 hours;
s8, corona treatment: applying high-frequency and high-voltage electricity to generate high-frequency and high-voltage discharge so as to increase the surface roughness, the surface area and the surface energy;
s9, trimming and recycling: cutting off and recycling the redundant part of the side edge of the produced PE film;
s10, winding of finished products: the rolled paper is rolled and stored.
The antistatic PE film comprises the following raw material components in parts by weight: 60-65 parts of linear low-density polyethylene, 30-35 parts of low-density polyethylene, 5-10 parts of metallocene polyethylene and 0.5-1 part of antistatic agent.
Example 3
The antistatic PE film comprises the following raw material components in parts by weight: linear low density polyethylene 60, low density polyethylene 30, metallocene polyethylene 5, antistatic agent 0.5.
S1, preparing raw materials: weighing all the raw materials according to the formula ratio;
s2, mixing and feeding: feeding all the raw materials through a hopper, mixing and stirring for 10min, and controlling the stirring speed to be 800 revolutions per minute;
s3, plasticizing: after the mixing is finished, transferring the raw materials and heating and plasticizing, wherein the heating temperature is controlled to be 600 ℃, and the heating time is 3 hours;
s4, extrusion: extruding the mixture after plasticizing;
s5, filtering impurities: filtering to remove impurities;
s6, inflation and traction: the inflation film machine compresses air to blow to form a bubble tube method film;
s7, cooling the air ring: cooling by blowing through an air ring, wherein the cooling time is controlled to be 2 hours;
s8, corona treatment: applying high-frequency and high-voltage electricity to generate high-frequency and high-voltage discharge so as to increase the surface roughness, the surface area and the surface energy;
s9, trimming and recycling: cutting off and recycling the redundant part of the side edge of the produced PE film;
s10, winding of finished products: the rolled paper is rolled and stored.
Example 4
The antistatic PE film comprises the following raw material components in parts by weight: linear low density polyethylene 65, low density polyethylene 35, metallocene polyethylene 10, antistatic agent 1.
S1, preparing raw materials: weighing all the raw materials according to the formula ratio;
s2, mixing and feeding: feeding all the raw materials through a hopper, mixing and stirring for 15min, and controlling the stirring speed to be 1000 revolutions per minute;
s3, plasticizing: after the mixing is finished, transferring the raw materials, heating and plasticizing, controlling the heating temperature to be 800 ℃, and the heating time to be 2 hours;
s4, extrusion: extruding the mixture after plasticizing;
s5, filtering impurities: filtering to remove impurities;
s6, inflation and traction: the inflation film machine compresses air to blow to form a bubble tube method film;
s7, cooling the air ring: cooling by blowing through an air ring, wherein the cooling time is controlled to be 3 hours;
s8, corona treatment: applying high-frequency and high-voltage electricity to generate high-frequency and high-voltage discharge so as to increase the surface roughness, the surface area and the surface energy;
s9, trimming and recycling: cutting off and recycling the redundant part of the side edge of the produced PE film;
s10, winding of finished products: the rolled paper is rolled and stored.
The degradable PE film comprises the following raw material components in parts by weight: 60-65 parts of linear low-density polyethylene, 30-35 parts of low-density polyethylene, 5-10 parts of metallocene polyethylene, 10-15 parts of hydroxypropyl starch, 1-5 parts of ethylene acrylic acid copolymer and 1-5 parts of glycerol plasticizer.
Example 5
The degradable PE film comprises the following raw material components in parts by weight: linear low density polyethylene 60, low density polyethylene 30, metallocene polyethylene 5, hydroxypropyl starch 10, ethylene acrylic acid copolymer 1 and glycerol plasticizer 1.
S1, preparing raw materials: weighing all the raw materials according to the formula ratio;
s2, mixing and feeding: feeding all the raw materials through a hopper, mixing and stirring for 10min, and controlling the stirring speed to be 800 revolutions per minute;
s3, plasticizing: after the mixing is finished, transferring the raw materials and heating and plasticizing, wherein the heating temperature is controlled to be 600 ℃, and the heating time is 3 hours;
s4, extrusion: extruding the mixture after plasticizing;
s5, filtering impurities: filtering to remove impurities;
s6, inflation and traction: the inflation film machine compresses air to blow to form a bubble tube method film;
s7, cooling the air ring: cooling by blowing through an air ring, wherein the cooling time is controlled to be 2 hours;
s8, corona treatment: applying high-frequency and high-voltage electricity to generate high-frequency and high-voltage discharge so as to increase the surface roughness, the surface area and the surface energy;
s9, trimming and recycling: cutting off and recycling the redundant part of the side edge of the produced PE film;
s10, winding of finished products: the rolled paper is rolled and stored.
Example 6
The degradable PE film comprises the following raw material components in parts by weight: linear low density polyethylene 65, low density polyethylene 35, metallocene polyethylene 10, hydroxypropyl starch 15, ethylene acrylic acid copolymer 5 and glycerol plasticizer 5.
S1, preparing raw materials: weighing all the raw materials according to the formula ratio;
s2, mixing and feeding: feeding all the raw materials through a hopper, mixing and stirring for 15min, and controlling the stirring speed to be 1000 revolutions per minute;
s3, plasticizing: after the mixing is finished, transferring the raw materials, heating and plasticizing, controlling the heating temperature to be 800 ℃, and the heating time to be 2 hours;
s4, extrusion: extruding the mixture after plasticizing;
s5, filtering impurities: filtering to remove impurities;
s6, inflation and traction: the inflation film machine compresses air to blow to form a bubble tube method film;
s7, cooling the air ring: cooling by blowing through an air ring, wherein the cooling time is controlled to be 3 hours;
s8, corona treatment: applying high-frequency and high-voltage electricity to generate high-frequency and high-voltage discharge so as to increase the surface roughness, the surface area and the surface energy;
s9, trimming and recycling: cutting off and recycling the redundant part of the side edge of the produced PE film;
s10, winding of finished products: the rolled paper is rolled and stored.
The flame-retardant high-temperature-resistant PE film comprises the following raw material components in parts by weight: 60-65 parts of linear low-density polyethylene, 30-35 parts of low-density polyethylene, 5-10 parts of metallocene polyethylene, 15-20 parts of ethylene acrylic acid copolymer, 1-5 parts of copolymerized propylene, 1-5 parts of high-polyester environment-friendly resin and 0.1-1 part of antioxidant.
Example 7
The flame-retardant high-temperature-resistant PE film comprises the following raw material components in parts by weight: 60 parts of linear low-density polyethylene, 30 parts of low-density polyethylene, 5 parts of metallocene polyethylene, 15 parts of ethylene acrylic acid copolymer, 1 part of propylene copolymer, 1 part of high-polyester environment-friendly resin and 0.1 part of antioxidant.
S1, preparing raw materials: weighing all the raw materials according to the formula ratio;
s2, mixing and feeding: feeding all the raw materials through a hopper, mixing and stirring for 10min, and controlling the stirring speed to be 800 revolutions per minute;
s3, plasticizing: after the mixing is finished, transferring the raw materials and heating and plasticizing, wherein the heating temperature is controlled to be 600 ℃, and the heating time is 3 hours;
s4, extrusion: extruding the mixture after plasticizing;
s5, filtering impurities: filtering to remove impurities;
s6, inflation and traction: the inflation film machine compresses air to blow to form a bubble tube method film;
s7, cooling the air ring: cooling by blowing through an air ring, wherein the cooling time is controlled to be 2 hours;
s8, corona treatment: applying high-frequency and high-voltage electricity to generate high-frequency and high-voltage discharge so as to increase the surface roughness, the surface area and the surface energy;
s9, trimming and recycling: cutting off and recycling the redundant part of the side edge of the produced PE film;
s10, winding of finished products: the rolled paper is rolled and stored.
Example 8
The flame-retardant high-temperature-resistant PE film comprises the following raw material components in parts by weight: the polyethylene composition comprises 65 parts of linear low-density polyethylene, 35 parts of low-density polyethylene, 10 parts of metallocene polyethylene, 20 parts of ethylene acrylic acid copolymer, 5 parts of copolymerized propylene, 5 parts of high-polyester environment-friendly resin and 1 part of antioxidant.
S1, preparing raw materials: weighing all the raw materials according to the formula ratio;
s2, mixing and feeding: feeding all the raw materials through a hopper, mixing and stirring for 15min, and controlling the stirring speed to be 1000 revolutions per minute;
s3, plasticizing: after the mixing is finished, transferring the raw materials, heating and plasticizing, controlling the heating temperature to be 800 ℃, and the heating time to be 2 hours;
s4, extrusion: extruding the mixture after plasticizing;
s5, filtering impurities: filtering to remove impurities;
s6, inflation and traction: the inflation film machine compresses air to blow to form a bubble tube method film;
s7, cooling the air ring: cooling by blowing through an air ring, wherein the cooling time is controlled to be 3 hours;
s8, corona treatment: applying high-frequency and high-voltage electricity to generate high-frequency and high-voltage discharge so as to increase the surface roughness, the surface area and the surface energy;
s9, trimming and recycling: cutting off and recycling the redundant part of the side edge of the produced PE film;
s10, winding of finished products: the rolled paper is rolled and stored.
As shown in fig. 1, the trimming recovery device of the present invention includes a support base 1, a conveyor belt 2 and a baffle arm 3 are disposed on the support base 1, a stacked PE film 4 is placed on the conveyor belt 2, a first motor 5 is disposed at one end of the support base 1, and an output end of the first motor 5 is communicated with the support base 1 and is in transmission connection with the conveyor belt 2.
The both sides of supporting seat 1 are equipped with spout 6, the one end of spout 6 is equipped with second motor 7. Two ends of the supporting seat 1 are provided with waste recovery grooves 8. The supporting seat 1 is arranged at the lower end of a supporting frame 9, a supporting plate 11 is arranged on the supporting frame 9, a first air cylinder 10 is arranged on the supporting plate 11, and the output end of the first air cylinder 10 penetrates through the supporting plate 11.
As shown in fig. 2, a first lead screw 12 is disposed in the chute 6, and the first lead screw 12 penetrates through the slider 13 and is in threaded fit with the slider 13.
As shown in fig. 3, 4, and 5, a base 14 is disposed on the slider 13, a second lead screw 17 and a lead screw protective shell 16 are disposed on the base 14, the second lead screw 17 is disposed in the lead screw protective shell 16, a third motor 15 is disposed at one end of the base 14, and an output end of the third motor 15 is communicated with the base 14 and is in transmission connection with the second lead screw 17. The second lead screw 17 penetrates through the connecting rod 20 and is in threaded fit with the connecting rod 20, a cutting knife 19 is fixedly arranged at one end of the connecting rod 20, a fourth motor 18 is arranged on the connecting rod 20, and the output end of the fourth motor 18 is communicated with the connecting rod 20 and is in transmission connection with the cutting knife 19.
As shown in fig. 6, a second cylinder 21 is provided in the support base 1.
During the use, pile up PE membrane 4 earlier and place on conveyer belt 2, then start first motor 5, control conveyer belt 2 rotates, and then convey PE membrane 4, when PE membrane 4 was arranged in between first cylinder 10 and second cylinder 21, shut off first motor 5. And then controlling the output end of the second air cylinder 21 to extend out, lifting the PE film 4 to separate from the conveyor belt 2 and enabling the PE film 4 to be tightly attached to the lower end of the baffle arm 3. And then controlling the output end of the first air cylinder 10 to extend out to clamp and fix the PE film 4. Then the second motor 7 and the third motor 15 are started, so that the first lead screw 12 and the second lead screw 17 rotate, the slide block 13 moves along the slide groove 6, and the cutting knife 19 moves downwards along the lead screw protective shell 16. When the cutting knife 19 and the side end of the PE film 4 are at the same horizontal height, the fourth motor 18 is started, the cutting knife 19 is controlled to rotate, and the third motor 15 is turned off. When the cutter 19 contacts the side end of the PE film 4, the edge cutting starts, and the cut waste automatically falls onto the stopper arm 3. After the edge is to be cut, the fourth motor 18 and the second motor 7 are turned off, the third motor 15 is reversed, the cutting knife 19 returns to the initial position, then the output ends of the first air cylinder 10 and the second air cylinder 21 are controlled to retract, the PE film 4 falls onto the conveyor belt 2, and then the first motor 5 is started to convey the PE film 4 away.
In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed.

Claims (8)

1. A preparation method of a functional PE film is characterized in that the functional PE film comprises an oil-proof PE film, an antistatic PE film, a degradable PE film and a flame-retardant high-temperature-resistant PE film;
the oil-proof PE film comprises the following raw material components in parts by weight: 60-65 parts of linear low-density polyethylene, 30-35 parts of low-density polyethylene, 5-10 parts of metallocene polyethylene and 0.5-1 part of antistatic agent;
the antistatic PE film comprises the following raw material components in parts by weight: 60-65 parts of linear low-density polyethylene, 30-35 parts of low-density polyethylene, 5-10 parts of metallocene polyethylene and 0.5-1 part of antistatic agent;
the degradable PE film comprises the following raw material components in parts by weight: 60-65 parts of linear low-density polyethylene, 30-35 parts of low-density polyethylene, 5-10 parts of metallocene polyethylene, 10-15 parts of hydroxypropyl starch, 1-5 parts of ethylene acrylic acid copolymer and 1-5 parts of glycerol plasticizer;
the flame-retardant high-temperature-resistant PE film comprises the following raw material components in parts by weight: 60-65 parts of linear low-density polyethylene, 30-35 parts of low-density polyethylene, 5-10 parts of metallocene polyethylene, 15-20 parts of ethylene acrylic acid copolymer, 1-5 parts of copolymerized propylene, 1-5 parts of high-polyester environment-friendly resin and 0.1-1 part of antioxidant;
a preparation method of a functional PE film comprises the following steps:
s1, preparing raw materials: weighing all the raw materials according to the formula ratio;
s2, mixing and feeding: feeding all the raw materials through a hopper, and mixing and stirring;
s3, plasticizing: transferring the raw materials after mixing and heating for plasticizing;
s4, extrusion: extruding the mixture after plasticizing;
s5, filtering impurities: filtering to remove impurities;
s6, inflation and traction: the inflation film machine compresses air to blow to form a bubble tube method film;
s7, cooling the air ring: cooling by blowing through an air ring;
s8, corona treatment: applying high-frequency and high-voltage electricity to generate high-frequency and high-voltage discharge so as to increase the surface roughness, the surface area and the surface energy;
s9, trimming and recycling: cutting off and recycling the redundant part of the side edge of the produced PE film;
s10, winding of finished products: the rolled paper is rolled and stored.
2. The method as claimed in claim 1, wherein the mixing time of the mixed material is 10-15min, and the stirring speed is controlled to be 800-1000 rpm.
3. The method as claimed in claim 1, wherein the plasticizing temperature is 600-800 ℃ and the time is 2-3 hours.
4. The method of claim 1, wherein the cooling time of the wind ring is 2-3 hours.
5. The preparation device of the functional PE film comprises a supporting seat (1), and is characterized in that a conveying belt (2) and a blocking arm (3) are arranged on the supporting seat (1), a first motor (5) is arranged at one end of the supporting seat (1), and the output end of the first motor (5) is communicated with the supporting seat (1) and is in transmission connection with the conveying belt (2);
sliding chutes (6) are formed in two sides of the supporting seat (1), a second motor (7) is arranged at one end of each sliding chute (6), and the supporting seat (1) is arranged at the lower end of the supporting frame (9);
a first lead screw (12) is arranged in the sliding groove (6), and the first lead screw (12) penetrates through the sliding block (13) and is in threaded fit with the sliding block (13);
a base (14) is arranged on the sliding block (13), a second lead screw (17) and a lead screw protective shell (16) are arranged on the base (14), the second lead screw (17) is arranged in the lead screw protective shell (16), a third motor (15) is arranged at one end of the base (14), and the output end of the third motor (15) is communicated with the base (14) and is in transmission connection with the second lead screw (17);
the second lead screw (17) penetrates through the connecting rod (20) and is in threaded fit with the connecting rod (20), a cutting knife (19) is fixedly arranged at one end of the connecting rod (20), a fourth motor (18) is arranged on the connecting rod (20), and the output end of the fourth motor (18) is communicated with the connecting rod (20) and is in transmission connection with the cutting knife (19).
6. The apparatus for preparing a functional PE film according to claim 5, wherein both ends of the supporting base (1) are provided with a scrap collecting groove (8).
7. The apparatus for preparing a functional PE film according to claim 5, wherein a support plate (11) is arranged on the support frame (9), a first air cylinder (10) is arranged on the support plate (11), and an output end of the first air cylinder (10) penetrates through the support plate (11).
8. The apparatus for manufacturing a functional PE film according to claim 5, wherein a second cylinder (21) is provided in the support base (1).
CN202010297109.1A 2020-04-15 2020-04-15 Preparation method and device of functional PE film Pending CN111361185A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112265236A (en) * 2020-10-10 2021-01-26 四川兴达塑料有限公司 PP (polypropylene) base material film plasticizing extrusion molding device with rapid cooling structure
CN113977663A (en) * 2021-10-25 2022-01-28 浙江创元特种纸业有限公司 Preparation process and processing equipment of paper for super electrolytic capacitor

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112265236A (en) * 2020-10-10 2021-01-26 四川兴达塑料有限公司 PP (polypropylene) base material film plasticizing extrusion molding device with rapid cooling structure
CN113977663A (en) * 2021-10-25 2022-01-28 浙江创元特种纸业有限公司 Preparation process and processing equipment of paper for super electrolytic capacitor

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