CN106009184A - PE (Poly Ethylene) heat shrink film and preparation method thereof - Google Patents

PE (Poly Ethylene) heat shrink film and preparation method thereof Download PDF

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Publication number
CN106009184A
CN106009184A CN201610507971.4A CN201610507971A CN106009184A CN 106009184 A CN106009184 A CN 106009184A CN 201610507971 A CN201610507971 A CN 201610507971A CN 106009184 A CN106009184 A CN 106009184A
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China
Prior art keywords
heat shrink
parts
shrink films
preparation
polyethylene
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Pending
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CN201610507971.4A
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Chinese (zh)
Inventor
方小梅
吴金明
张启红
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Tongcheng Cat Soft Film Co Ltd
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Tongcheng Cat Soft Film Co Ltd
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Priority to CN201610507971.4A priority Critical patent/CN106009184A/en
Publication of CN106009184A publication Critical patent/CN106009184A/en
Pending legal-status Critical Current

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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/04—Homopolymers or copolymers of ethene
    • C08L23/06—Polyethene
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50—Details of extruders
    • B29C48/505—Screws
    • B29C48/625—Screws characterised by the ratio of the threaded length of the screw to its outside diameter [L/D ratio]
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/92—Measuring, controlling or regulating
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
    • B29C55/28—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of blown tubular films, e.g. by inflation
    • 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
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92504—Controlled parameter
    • B29C2948/92704—Temperature
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C2948/00—Indexing scheme relating to extrusion moulding
    • B29C2948/92—Measuring, controlling or regulating
    • B29C2948/92819—Location or phase of control
    • B29C2948/92857—Extrusion unit
    • B29C2948/92904—Die; Nozzle zone
    • 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
    • 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
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2203/00—Applications
    • C08L2203/16—Applications used for films
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2207/00—Properties characterising the ingredient of the composition
    • C08L2207/06—Properties of polyethylene
    • C08L2207/062—HDPE
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2207/00—Properties characterising the ingredient of the composition
    • C08L2207/06—Properties of polyethylene
    • C08L2207/066—LDPE (radical process)
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2207/00—Properties characterising the ingredient of the composition
    • C08L2207/06—Properties of polyethylene
    • C08L2207/068—Ultra high molecular weight polyethylene

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

Abstract

The invention relates to a PE (Poly Ethylene) heat shrink film, which relates to the technical field of high polymer materials. The PE heat shrink film is prepared from the following raw materials in parts by weight: 3-9 parts of low density polyethylene, 23-41 parts of high density polyethylene, 25-45 parts of metallocene polyethylene, 18-40 parts of ultra-high molecular weight polyethylene and 2-10 parts of polyethylene wax. The invention also discloses a preparation method of the PE heat shrink film. The PE heat shrink film prepared by the method has the advantages of good flexibility, impact resistance, high tearing resistance, small possibility of damaging, moisture prevention, big percentage of contraction, high intensity and high toughness.

Description

A kind of PE heat shrink films and preparation method thereof
Technical field
The present invention relates to a kind of PE heat shrink films and the preparation method of a kind of PE heat shrink films, belong to technical field of polymer materials.
Background technology
PE heat shrink films is widely used in the packaging of the products such as drinks, pop can class and various beverage classes, and this product pliability is good, and impact resistance, tear resistance are strong, not cracky, not to be afraid of tide, shrinkage factor big.Used PE heat shrink films has limitation in terms of intensity and toughness.Such as in a kind of Shrink package color film of Publication No. CN103264553 and this patent of production method thereof, it discloses one and there is shock resistance, tear, the thermal contraction packaging film of the features such as heat sealability is good, it disclosure satisfy that packing instructions, but its thickness is 0.07-0.075mm, thicker on thickness, overall weight is greatly promoted, bringing a lot of inconvenience to carrying conveying, produce thicker use raw material more simultaneously, cost is higher.
Summary of the invention
It is an object of the invention to provide a kind of PE heat shrink films and preparation method thereof, this PE heat shrink films pliability is good, and impact resistance, tear resistance are strong, not cracky, not to be afraid of tide, shrinkage factor big, the preparation method of this PE heat shrink films is simple.
To achieve these goals, the technical scheme that the present invention takes by: a kind of PE heat shrink films provided is made up of the raw material of following weight portion: Low Density Polyethylene 3-9 part, high density polyethylene (HDPE) 23-41 part, metallocene polyethylene 25-45 part, ultra-high molecular weight polyethylene 18-40 part, Tissuemat E 2-10 part.
Preferably, the chemical composition proportioning of described industrial sewage treating agent includes Low Density Polyethylene 6 parts, high density polyethylene (HDPE) 38 parts, metallocene polyethylene 32 parts, ultra-high molecular weight polyethylene 20 parts, Tissuemat E 4 parts.
A kind of preparation method of PE heat shrink films, described preparation technology follows the steps below,
(1) raw material is weighed by proportioning；
(2) above-mentioned raw materials is put into plastics processing mill heating and obtains the heat material of plasticizing；
(3) delivering in PE heat shrink films blown film unit by the heat material of plasticizing, extruder screw rod diameter 65mm, draw ratio 32, blow extrusion molding, overtemperature is the most air-cooled obtains heat shrink films.
Preferably, in described step (2), plastics processing mill temperature controls at 140-160 DEG C.
Preferably, in described step (2), plastics processing mill controls at 10-15min heat time heating time.
Preferably, in described step (3), extruder central feeding rotating die head temperature is 140-150 DEG C.
Use technical scheme, the mode using the mixing of Low Density Polyethylene, metallocene polyethylene makes, strict control preparation process feeds intake, each technological parameter during hybrid technique, ensure reaction temperature, make that the PE heat shrink films intensity made is good, toughness is high, preparation technology is simple, easily grasps.
Detailed description of the invention
Embodiment 1:
A kind of PE heat shrink films, the chemical composition proportioning of described PE heat shrink films includes Low Density Polyethylene 5 parts, high density polyethylene (HDPE) 30 parts, metallocene polyethylene 40 parts, ultra-high molecular weight polyethylene 20 parts, Tissuemat E 5 parts.
A kind of preparation method of PE heat shrink films, described preparation technology follows the steps below,
(1) raw material is weighed by proportioning；
(2) above-mentioned raw materials is put into 140 DEG C of plastics processing mill heating 10min and obtains the heat material of plasticizing；
(3) delivering in PE heat shrink films blown film unit by the heat material of plasticizing, extruder screw rod diameter 65mm, draw ratio 32, extruder central feeding rotating die head temperature is 140 DEG C, blow extrusion molding, and overtemperature is the most air-cooled obtains heat shrink films.
Embodiment 2:Remaining is same as in Example 1, and difference is that described PE heat shrink films is made up of the raw material of following weight portion: Low Density Polyethylene 6 parts, high density polyethylene (HDPE) 38 parts, metallocene polyethylene 32 parts, ultra-high molecular weight polyethylene 20 parts, Tissuemat E 4 parts；In described step (2), plastics processing mill temperature controls at 140-150 DEG C；In described step (3), extruder central feeding rotating die head temperature is 150 DEG C.
Embodiment 3:Remaining is same as in Example 1, and difference is that described PE heat shrink films is made up of the raw material of following weight portion: Low Density Polyethylene 9 parts, high density polyethylene (HDPE) 30 parts, metallocene polyethylene 33 parts, ultra-high molecular weight polyethylene 23 parts, Tissuemat E 5 parts；In described step (2), plastics processing mill temperature controls at 150-160 DEG C；In described step (3), extruder central feeding rotating die head temperature is 140 DEG C.
After process above step, the PE heat shrink films intensity obtained is good, toughness is high, and preparation technology is simple, easily grasps.
Obviously the present invention implements and is not subject to the restrictions described above; if the improvement of the various unsubstantialities that the method design that have employed the present invention is carried out with technical scheme; or the most improved design by the present invention and technical scheme directly apply to other occasion, all within protection scope of the present invention.

Claims (6)

1. a PE heat shrink films, it is characterized in that: this PE heat shrink films is made up of the raw material of following weight portion: Low Density Polyethylene 3-9 part, high density polyethylene (HDPE) 23-41 part, metallocene polyethylene 25-45 part, ultra-high molecular weight polyethylene 18-40 part, Tissuemat E 2-10 part.
A kind of PE heat shrink films the most according to claim 1, it is characterized in that: the chemical composition proportioning of described PE heat shrink films includes Low Density Polyethylene 6 parts, high density polyethylene (HDPE) 38 parts, metallocene polyethylene 32 parts, ultra-high molecular weight polyethylene 20 parts, Tissuemat E 4 parts.
3. the preparation method of a PE heat shrink films according to claim 1, it is characterised in that: described preparation technology follows the steps below,
(1) raw material is weighed by proportioning；
(2) above-mentioned raw materials is put into plastics processing mill heating and obtains the heat material of plasticizing；
(3) delivering in PE heat shrink films blown film unit by the heat material of plasticizing, extruder screw rod diameter 65mm, draw ratio 32, blow extrusion molding, overtemperature is the most air-cooled obtains heat shrink films.
4. the preparation method of a PE heat shrink films according to claim 3, it is characterised in that: in described step (2), plastics processing mill temperature controls at 140-160 DEG C.
5. the preparation method of a PE heat shrink films according to claim 3, it is characterised in that: in described step (2), plastics processing mill controls at 10-15min heat time heating time.
6. the preparation method of a PE heat shrink films according to claim 3, it is characterised in that: in described step (3), extruder central feeding rotating die head temperature is 140-150 DEG C.
CN201610507971.4A 2016-07-01 2016-07-01 PE (Poly Ethylene) heat shrink film and preparation method thereof Pending CN106009184A (en)

Priority Applications (1)

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Application Number Priority Date Filing Date Title
CN201610507971.4A CN106009184A (en) 2016-07-01 2016-07-01 PE (Poly Ethylene) heat shrink film and preparation method thereof

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109897260A (en) * 2019-02-27 2019-06-18 王德秀 A kind of heat shrink films production method based on blow molding process
CN111592705A (en) * 2020-05-29 2020-08-28 沈阳市海能达包装材料厂 Preparation method of high-temperature-cooking PE film
CN111718534A (en) * 2020-06-06 2020-09-29 浙江佳锦塑业科技有限公司 High-tensile high-strength PE (polyethylene) winding film and preparation method thereof
CN111846327A (en) * 2020-07-22 2020-10-30 山东野迈塑胶有限公司 Full-degradable PE heat shrinkable film
CN114905729A (en) * 2022-05-25 2022-08-16 孔繁周 Method for manufacturing special functional shrink film for flame spray gun

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104961949A (en) * 2015-06-05 2015-10-07 无锡市方成彩印包装有限公司 Heat shrink film and production method thereof
CN105459549A (en) * 2015-12-29 2016-04-06 东莞市正新包装制品有限公司 PE heat shrink film

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104961949A (en) * 2015-06-05 2015-10-07 无锡市方成彩印包装有限公司 Heat shrink film and production method thereof
CN105459549A (en) * 2015-12-29 2016-04-06 东莞市正新包装制品有限公司 PE heat shrink film

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109897260A (en) * 2019-02-27 2019-06-18 王德秀 A kind of heat shrink films production method based on blow molding process
CN111592705A (en) * 2020-05-29 2020-08-28 沈阳市海能达包装材料厂 Preparation method of high-temperature-cooking PE film
CN111718534A (en) * 2020-06-06 2020-09-29 浙江佳锦塑业科技有限公司 High-tensile high-strength PE (polyethylene) winding film and preparation method thereof
CN111846327A (en) * 2020-07-22 2020-10-30 山东野迈塑胶有限公司 Full-degradable PE heat shrinkable film
CN114905729A (en) * 2022-05-25 2022-08-16 孔繁周 Method for manufacturing special functional shrink film for flame spray gun

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Application publication date: 20161012