CN105754205A - Stretching and wrapping film and preparation method thereof - Google Patents

Stretching and wrapping film and preparation method thereof Download PDF

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Publication number
CN105754205A
CN105754205A CN201610213025.9A CN201610213025A CN105754205A CN 105754205 A CN105754205 A CN 105754205A CN 201610213025 A CN201610213025 A CN 201610213025A CN 105754205 A CN105754205 A CN 105754205A
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China
Prior art keywords
parts
wrap film
stretch wrap
antioxidant
preparation
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CN201610213025.9A
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Chinese (zh)
Inventor
顾建芳
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.)
Tripartite Confrontation Packing Co Ltd Of Suzhou City
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Tripartite Confrontation Packing Co Ltd Of Suzhou City
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Priority to CN201610213025.9A priority Critical patent/CN105754205A/en
Publication of CN105754205A publication Critical patent/CN105754205A/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
    • C08L23/08—Copolymers of ethene
    • C08L23/0807—Copolymers of ethene with unsaturated hydrocarbons only containing more than three carbon atoms
    • C08L23/0815—Copolymers of ethene with aliphatic 1-olefins
    • 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
    • B29B9/00—Making granules
    • B29B9/02—Making granules by dividing preformed material
    • B29B9/06—Making granules by dividing preformed material in the form of filamentary material, e.g. combined with extrusion
    • 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
    • B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
    • B29C41/24—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor for making articles of indefinite length
    • 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
    • B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
    • B29C41/34—Component parts, details or accessories; Auxiliary operations
    • B29C41/52—Measuring, controlling or regulating
    • 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
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2007/00—Flat articles, e.g. films or sheets
    • 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
    • C08J2405/00—Characterised by the use of polysaccharides or of their derivatives not provided for in groups C08J2401/00 or C08J2403/00
    • C08J2405/06—Pectin; Derivatives thereof
    • 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
    • C08K2201/00—Specific properties of additives
    • C08K2201/011—Nanostructured additives
    • 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
    • C08L2205/03—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

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

Abstract

The invention particularly relates to a stretching and wrapping film and a preparation method thereof, and belongs to the technical field of packaging materials. The stretching and wrapping film is prepared from the following raw materials in parts by mass: 40-60 parts of linear low-density polyethylene, 1-6 parts of pectin, 2-4 parts of methylcellulose, 3-8 parts of acrylic acid, 5-10 parts of polyethylene glycol, 10-20 parts of reclaimed materials, 1-3 parts of an antioxidant, 0.5-2 parts of nanometer titania, 0.8-3.2 parts of sodium phthalate, 1-5 parts of calcium carbonate and 0.2-1 part of a halogen-free flame retardant, wherein the reclaimed materials are excessive leftover materials in the process of preparing the stretching and wrapping film. The stretching and wrapping film has high tensile strength and puncture resistance; and the influence of the temperature on the viscosity is small.

Description

A kind of stretch wrap film and preparation method thereof
Technical field
The invention belongs to field of packaging material, be specifically related to a kind of stretch wrap film and preparation method thereof.
Background technology
Packaging material refer to for manufacturing packing container, packing and decorating, packages printing, packed and transported etc. satisfied The material that product packing instructions are used, it i.e. include metal, plastics, glass, pottery, paper, bamboo this, The main packaging material such as wild mushroom class, natural fiber, chemical fibre, composite, include again strapping, The auxiliary material such as decoration, printing material.
Being wound around film is industrial dress membrane product, has that hot strength is high, elongation percentage is big, tack good, transparent Degree advantages of higher, can be used for being wound around film by hand it can also be used to machine is wound around film, can be widely applied to various goods The concentration packaging of thing, is wound packaging to the goods being deposited on supporting plate, makes packing material more firm clean and tidy, More superpower waterproof action, be widely used foreign export, papermaking, five metals, plastics chemical industry, building materials, Food pharmaceuticals industry.
But stretch wrap film temperature influence viscosity in the market, relatively viscous when temperature is higher than 30 DEG C, During less than 15 DEG C, viscosity is slightly worse, and the performance need such as hot strength, puncture force improves to adapt to more further Market widely.
Summary of the invention
It is an object of the invention to overcome the deficiencies in the prior art to provide a kind of stretch wrap film, this stretching is wound around Film hot strength is big and viscosity is influenced by temperature little.
The technical solution used in the present invention is as follows:
A kind of stretch wrap film, the following raw material including according to mass fraction meter: LLDPE 40-60 part, pectin 1-6 part, methylcellulose 2-4 part, acrylic acid 3-8 part, polyethylene glycol 5-10 part, Reworked material 10-20 part, antioxidant 1-3 part, nano titanium oxide 0.5-2 part, sodium phthalate 0.8-3.2 Part, calcium carbonate 1-5 part, halogen-free flame retardants 0.2-1 part, wherein said reworked material is for preparing stretch wrap film During unnecessary leftover pieces.
Above-described a kind of stretch wrap film, the following raw material including according to mass fraction meter: linear low close Degree polyethylene 52 parts, pectin 4 parts, methylcellulose 3 parts, 6 parts of acrylic acid, polyethylene glycol 8 parts, again 15 parts of raw material, 2 parts of antioxidant, nano titanium oxide 1.2 parts, sodium phthalate 2 parts, calcium carbonate 3 Part, halogen-free flame retardants 0.6 part, wherein said reworked material be prepare stretch wrap film during unnecessary corner Material.
Further, one or both during described antioxidant is phenolic antioxidant and phosphite ester kind antioxidant.
The preparation method of above-described a kind of stretch wrap film, comprises the steps:
(1) according to quality proportioning, mix with nano titanium oxide and calcium carbonate after melted for reworked material, Obtain mixture A；
(2) by LLDPE, pectin, methylcellulose, acrylic acid, polyethylene glycol, antioxygen Agent, sodium phthalate and halogen-free flame retardants mix, and are then added thereto by mixture A, continue to stir Mix mixing, obtain mixture B；
(3) mixture B carrying out double-screw extruding pelletizing, extruder rotating speed is 250～400r/min, temperature Control at 170 DEG C～210 DEG C；
(4) step (3) gained particle being sent into casting machine, masking temperature is 230 DEG C～270 DEG C, chill roll Temperature control at 20 DEG C～30 DEG C, winding tension is 8～10kg, obtains described stretch wrap film.
Further, in described step (3), extruder rotating speed is 320r/min, and temperature controls at 180 DEG C～200 ℃。
Further, in described step (4), masking temperature is 250 DEG C.
Beneficial effects of the present invention:
First, inventive formulation is reasonable, tight during by adding the material such as pectin, methylcellulose and preparing Lattice control casting temperature and winding tension so that the stretch wrap film viscosity temperature influence of the present invention is less, It is substantially better than commercially available mill run, ensures excellent hot strength and puncture force simultaneously；
Second, Appropriate application of the present invention reworked material, beneficially environment and reduce cost；
3rd, preparation method of the present invention is easy, low for equipment requirements, is suitable for large-scale production.
Detailed description of the invention
Below in conjunction with embodiment, the present invention is described in further detail, but should not be construed as the limit to the present invention System.In the present invention use raw material unless otherwise noted, all can by city available from.
Embodiment 1
A kind of stretch wrap film, the following raw material including according to mass fraction meter: LLDPE 40 Part, pectin 1 part, methylcellulose 2 parts, 3 parts of acrylic acid, polyethylene glycol 5 parts, reworked material 10 parts, 1 part of antioxidant, nano titanium oxide 0.5 part, sodium phthalate 0.8 part, 1 part of calcium carbonate, Halogen Fire retardant 0.2 part, wherein said reworked material be prepare stretch wrap film during unnecessary leftover pieces, described Antioxidant is phenolic antioxidant.
The preparation method of above-described a kind of stretch wrap film, comprises the steps:
(1) according to quality proportioning, mix with nano titanium oxide and calcium carbonate after melted for reworked material, Obtain mixture A；
(2) by LLDPE, pectin, methylcellulose, acrylic acid, polyethylene glycol, antioxygen Agent, sodium phthalate and halogen-free flame retardants mix, and are then added thereto by mixture A, continue to stir Mix mixing, obtain mixture B；
(3) mixture B carrying out double-screw extruding pelletizing, extruder rotating speed is 250r/min, and temperature controls At 170 DEG C；
(4) step (3) gained particle being sent into casting machine, masking temperature is 230 DEG C, the temperature of chill roll Controlling at 20 DEG C～30 DEG C, winding tension is 8～10kg, obtains described stretch wrap film.
Embodiment 2
A kind of stretch wrap film, the following raw material including according to mass fraction meter: LLDPE 45 Part, pectin 2 parts, methylcellulose 3 parts, 5 parts of acrylic acid, polyethylene glycol 7 parts, reworked material 12 parts, 1.5 parts of antioxidant, nano titanium oxide 0.8 part, sodium phthalate 1.4 parts, 2 parts of calcium carbonate, nothing Halogen fire retardant 0.4 part, wherein said reworked material be prepare stretch wrap film during unnecessary leftover pieces, institute State the mixture that antioxidant is phenolic antioxidant and phosphite ester kind antioxidant.
The preparation method of above-described a kind of stretch wrap film, comprises the steps:
(1) according to quality proportioning, mix with nano titanium oxide and calcium carbonate after melted for reworked material, Obtain mixture A；
(2) by LLDPE, pectin, methylcellulose, acrylic acid, polyethylene glycol, antioxygen Agent, sodium phthalate and halogen-free flame retardants mix, and are then added thereto by mixture A, continue to stir Mix mixing, obtain mixture B；
(3) mixture B carrying out double-screw extruding pelletizing, extruder rotating speed is 280r/min, and temperature controls At 180 DEG C；
(4) step (3) gained particle being sent into casting machine, masking temperature is 240 DEG C, the temperature of chill roll Controlling at 20 DEG C～30 DEG C, winding tension is 8～10kg, obtains described stretch wrap film.
Embodiment 3
A kind of stretch wrap film, the following raw material including according to mass fraction meter: LLDPE 52 Part, pectin 4 parts, methylcellulose 3 parts, 6 parts of acrylic acid, polyethylene glycol 8 parts, reworked material 15 parts, 2 parts of antioxidant, nano titanium oxide 1.2 parts, sodium phthalate 2 parts, 3 parts of calcium carbonate, Halogen hinder Combustion agent 0.6 part, wherein said reworked material be prepare stretch wrap film during unnecessary leftover pieces, described anti- Oxygen agent is phenolic antioxidant.
The preparation method of above-described a kind of stretch wrap film, comprises the steps:
(1) according to quality proportioning, mix with nano titanium oxide and calcium carbonate after melted for reworked material, Obtain mixture A；
(2) by LLDPE, pectin, methylcellulose, acrylic acid, polyethylene glycol, antioxygen Agent, sodium phthalate and halogen-free flame retardants mix, and are then added thereto by mixture A, continue to stir Mix mixing, obtain mixture B；
(3) mixture B carrying out double-screw extruding pelletizing, extruder rotating speed is 320r/min, and temperature controls At 190 DEG C；
(4) step (3) gained particle being sent into casting machine, masking temperature is 250 DEG C, the temperature of chill roll Controlling at 20 DEG C～30 DEG C, winding tension is 8～10kg, obtains described stretch wrap film.
Embodiment 4
A kind of stretch wrap film, the following raw material including according to mass fraction meter: LLDPE 56 Part, pectin 5 parts, methylcellulose 3 parts, 7 parts of acrylic acid, polyethylene glycol 9 parts, reworked material 17 parts, 2 parts of antioxidant, nano titanium oxide 1.6 parts, sodium phthalate 2.5 parts, 4 parts of calcium carbonate, Halogen Fire retardant 0.8 part, wherein said reworked material be prepare stretch wrap film during unnecessary leftover pieces, described Antioxidant is phosphite ester kind antioxidant.
The preparation method of above-described a kind of stretch wrap film, comprises the steps:
(1) according to quality proportioning, mix with nano titanium oxide and calcium carbonate after melted for reworked material, Obtain mixture A；
(2) by LLDPE, pectin, methylcellulose, acrylic acid, polyethylene glycol, antioxygen Agent, sodium phthalate and halogen-free flame retardants mix, and are then added thereto by mixture A, continue to stir Mix mixing, obtain mixture B；
(3) mixture B carrying out double-screw extruding pelletizing, extruder rotating speed is 360r/min, and temperature controls At 200 DEG C；
(4) step (3) gained particle being sent into casting machine, masking temperature is 260 DEG C, the temperature of chill roll Controlling at 20 DEG C～30 DEG C, winding tension is 8～10kg, obtains described stretch wrap film.
Embodiment 5
A kind of stretch wrap film, the following raw material including according to mass fraction meter: LLDPE 60 Part, pectin 6 parts, methylcellulose 4 parts, 8 parts of acrylic acid, polyethylene glycol 10 parts, reworked material 20 parts, 3 parts of antioxidant, nano titanium oxide 2 parts, sodium phthalate 3.2 parts, 5 parts of calcium carbonate, Halogen hinder Combustion agent 1 part, wherein said reworked material be prepare stretch wrap film during unnecessary leftover pieces, described antioxygen Agent is phosphite ester kind antioxidant.
The preparation method of above-described a kind of stretch wrap film, comprises the steps:
(1) according to quality proportioning, mix with nano titanium oxide and calcium carbonate after melted for reworked material, Obtain mixture A；
(2) by LLDPE, pectin, methylcellulose, acrylic acid, polyethylene glycol, antioxygen Agent, sodium phthalate and halogen-free flame retardants mix, and are then added thereto by mixture A, continue to stir Mix mixing, obtain mixture B；
(3) mixture B carrying out double-screw extruding pelletizing, extruder rotating speed is 400r/min, and temperature controls At 210 DEG C；
(4) step (3) gained particle being sent into casting machine, masking temperature is 270 DEG C, the temperature of chill roll Controlling at 20 DEG C～30 DEG C, winding tension is 8～10kg, obtains described stretch wrap film.
Performance test
The embodiment of the present invention 1～5 products obtained therefrom carries out performance test, and wherein reference examples is common commercially available winding Film, result such as following table:
Table 1 properties of product test data
As seen from the above table, products obtained therefrom hot strength of the present invention is big and viscosity is influenced by temperature little, Qi Zhongshi Execute example 3 best results.

Claims (6)

1. a stretch wrap film, it is characterised in that include the following raw material according to mass fraction meter: linear Low density polyethylene (LDPE) 40-60 part, pectin 1-6 part, methylcellulose 2-4 part, acrylic acid 3-8 part, poly- Ethylene glycol 5-10 part, reworked material 10-20 part, antioxidant 1-3 part, nano titanium oxide 0.5-2 part, neighbour Phthalic acid sodium 0.8-3.2 part, calcium carbonate 1-5 part, halogen-free flame retardants 0.2-1 part, wherein said regeneration Material is leftover pieces unnecessary during preparing stretch wrap film.
A kind of stretch wrap film the most according to claim 1, it is characterised in that include according to mass parts The following raw material of number meter: LLDPE 52 parts, pectin 4 parts, methylcellulose 3 parts, propylene Acid 6 parts, polyethylene glycol 8 parts, reworked material 15 parts, 2 parts of antioxidant, nano titanium oxide 1.2 parts, neighbour 2 parts of phthalic acid sodium, 3 parts of calcium carbonate, halogen-free flame retardants 0.6 part, wherein said reworked material is that preparation is drawn Stretch and be wound around leftover pieces unnecessary in membrane process.
A kind of stretch wrap film the most according to claim 1 and 2, it is characterised in that described antioxidant For one or both in phenolic antioxidant and phosphite ester kind antioxidant.
4. the preparation method of a kind of stretch wrap film described in claim 1 or 2, it is characterised in that include Following steps:
(1) according to quality proportioning, mix with nano titanium oxide and calcium carbonate after melted for reworked material, Obtain mixture A；
(2) by LLDPE, pectin, methylcellulose, acrylic acid, polyethylene glycol, antioxygen Agent, sodium phthalate and halogen-free flame retardants mix, and are then added thereto by mixture A, continue to stir Mix mixing, obtain mixture B；
(3) mixture B carrying out double-screw extruding pelletizing, extruder rotating speed is 250～400r/min, temperature Control at 170 DEG C～210 DEG C；
(4) step (3) gained particle being sent into casting machine, masking temperature is 230 DEG C～270 DEG C, chill roll Temperature control at 20 DEG C～30 DEG C, winding tension is 8～10kg, obtains described stretch wrap film.
The preparation method of a kind of stretch wrap film the most according to claim 4, it is characterised in that described In step (3), extruder rotating speed is 320r/min, and temperature controls at 180 DEG C～200 DEG C.
The preparation method of a kind of stretch wrap film the most according to claim 4, it is characterised in that described In step (4), masking temperature is 250 DEG C.
CN201610213025.9A 2016-04-07 2016-04-07 Stretching and wrapping film and preparation method thereof Pending CN105754205A (en)

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106317570A (en) * 2016-08-25 2017-01-11 太仓市鸿运包装材料有限公司 High tensile strength PE wrapping film and preparing method thereof
CN106543545A (en) * 2016-10-16 2017-03-29 宁波大名包装材料科技有限公司 A kind of fiber reinforced polyethylene winding film and preparation method thereof
CN108517069A (en) * 2018-05-02 2018-09-11 苏州聚慧邦新材料科技有限公司 A kind of environmental protection LLDPE windings film
CN108638545A (en) * 2018-05-02 2018-10-12 苏州聚慧邦新材料科技有限公司 A kind of preparation method of environmental protection LLDPE windings film
CN108774351A (en) * 2018-05-09 2018-11-09 小黄蜂智能科技（苏州）有限公司 A kind of high-strength nano winding film and its production technology
CN109265798A (en) * 2018-08-31 2019-01-25 陈建峰 A kind of preparation method of stretch wrap film
CN111057298A (en) * 2019-12-25 2020-04-24 郑州市祥泰塑业有限公司 PE (polyethylene) winding film and preparation method thereof
CN112677603A (en) * 2020-12-09 2021-04-20 宁波鸿雁包装材料有限公司 Stretching winding film and preparation method thereof

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106317570A (en) * 2016-08-25 2017-01-11 太仓市鸿运包装材料有限公司 High tensile strength PE wrapping film and preparing method thereof
CN106543545A (en) * 2016-10-16 2017-03-29 宁波大名包装材料科技有限公司 A kind of fiber reinforced polyethylene winding film and preparation method thereof
CN108517069A (en) * 2018-05-02 2018-09-11 苏州聚慧邦新材料科技有限公司 A kind of environmental protection LLDPE windings film
CN108638545A (en) * 2018-05-02 2018-10-12 苏州聚慧邦新材料科技有限公司 A kind of preparation method of environmental protection LLDPE windings film
CN108774351A (en) * 2018-05-09 2018-11-09 小黄蜂智能科技（苏州）有限公司 A kind of high-strength nano winding film and its production technology
CN109265798A (en) * 2018-08-31 2019-01-25 陈建峰 A kind of preparation method of stretch wrap film
CN109265798B (en) * 2018-08-31 2020-12-11 安徽友发包装科技有限公司 Preparation method of stretch winding film
CN111057298A (en) * 2019-12-25 2020-04-24 郑州市祥泰塑业有限公司 PE (polyethylene) winding film and preparation method thereof
CN112677603A (en) * 2020-12-09 2021-04-20 宁波鸿雁包装材料有限公司 Stretching winding film and preparation method thereof
CN112677603B (en) * 2020-12-09 2022-04-01 宁波鸿雁包装材料有限公司 Stretching winding film and preparation method thereof

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