CN105459549A - PE heat shrink film - Google Patents

PE heat shrink film Download PDF

Info

Publication number
CN105459549A
CN105459549A CN201511024860.XA CN201511024860A CN105459549A CN 105459549 A CN105459549 A CN 105459549A CN 201511024860 A CN201511024860 A CN 201511024860A CN 105459549 A CN105459549 A CN 105459549A
Authority
CN
China
Prior art keywords
heat shrink
density
melt index
weight
shrink films
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201511024860.XA
Other languages
Chinese (zh)
Other versions
CN105459549B (en
Inventor
黄镇荣
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.)
DONGGUAN CITY ZHENGXIN PACKING PRODUCTS Co Ltd
Original Assignee
DONGGUAN CITY ZHENGXIN PACKING PRODUCTS Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by DONGGUAN CITY ZHENGXIN PACKING PRODUCTS Co Ltd filed Critical DONGGUAN CITY ZHENGXIN PACKING PRODUCTS Co Ltd
Priority to CN201511024860.XA priority Critical patent/CN105459549B/en
Publication of CN105459549A publication Critical patent/CN105459549A/en
Application granted granted Critical
Publication of CN105459549B publication Critical patent/CN105459549B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/32—Layered products comprising a layer of synthetic resin comprising polyolefins
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/06—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B27/08—Layered products comprising a layer of synthetic resin as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B33/00—Layered products characterised by particular properties or particular surface features, e.g. particular surface coatings; Layered products designed for particular purposes not covered by another single class
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D65/00—Wrappers or flexible covers; Packaging materials of special type or form
    • B65D65/38—Packaging materials of special type or form
    • B65D65/40—Applications of laminates for particular packaging purposes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/54—Yield strength; Tensile strength
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/50—Properties of the layers or laminate having particular mechanical properties
    • B32B2307/558—Impact strength, toughness

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Laminated Bodies (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

The invention relates to a PE heat shrink film which comprises an upper layer, a middle layer and a lower layer which are arranged in sequence from top to bottom. The upper layer is prepared from, by weight, 10-20% of LDPE, 18-26% of HDPE, 40-60% of mLLDPE, 5-15% of UHMWPE and 1-10% of polyethylene wax. UHMWPE and metallocene polyethylene are in synergism, and thus the tension strength and the toughness of the PE heat shrink film can be further enhanced.

Description

A kind of PE heat shrink films
Technical field
The present invention relates to a kind of heat shrink films, particularly relate to a kind of PE heat shrink films, belong to packing film technical field.
Background technology
PE heat shrink films is widely used in the one integral piece assembly package of the products such as drinks, pop can class, mineral water class, various beverage classes, and this product pliability is good, and impact resistance, tear resistance are strong, not cracky, be not afraid of tide, shrinkage factor is large.
Used PE heat shrink films has limitation in intensity and toughness, and the general HDPE that adopts improves intensity.Such as prior art CN101049749A discloses a kind of heat shrinkage film of high transparent multilaminar polyethylene, it is three-decker, wherein the upper and lower are the mixture comprising metallocene M-LLDPE, LLDPE, LDPE and auxiliary agent composition, and intermediate layer adopts the mixture of LDPE, LLDPE, HDPE composition.But HDPE can make the toughness of PE heat shrink films significantly decline, and after beverage packaging, easily breaks in transportation.Therefore how to improve stretching and the toughness of PE heat shrink films, become problem demanding prompt solution.
Summary of the invention
Technical problem to be solved by this invention is to provide the PE heat shrink films that a kind of hot strength is high, toughness is excellent.
PE heat shrink films of the present invention, comprises the upper, middle and lower set gradually from top to bottom, and described upper layer packets is containing the component of following percentage by weight:
Such as, the percentage by weight of LDPE (low density polyethylene (LDPE)) can be 11%, 12%, 13%, 14%, 15%, 16%, 17%, 18% or 19%;
The percentage by weight of HDPE (high density polyethylene (HDPE)) is 19%, 20%, 20.5%, 21%, 21.6%, 22%, 22.4%, 23%, 23.8%, 24%, 24.6%, 25% or 25.8%;
The percentage by weight of mLLDPE (metallocene PE) can be 41%, 42%, 43%, 44%, 45%, 46%, 47%, 48%, 49%, 50%, 51%, 52%, 53%, 54%, 55%, 56%, 57%, 58% or 59%;
The percentage by weight of UHMWPE (ultra-high molecular weight polyethylene) can be 6%, 7%, 8%, 9%, 10%, 11%, 12%, 13% or 14%;
The percentage by weight of Tissuemat E can be 2%, 3%, 4%, 5%, 6%, 7%, 8% or 9%.
Preferably, described upper layer packets is containing the component of following percentage by weight:
Preferably, the melt index MI of described LDPE is 0.2 ~ 0.3, and density is 0.920 ~ 0.923g/cm 3;
Preferably, the melt index MI of described HDPE is less than 0.01, and density is 0.955g/cm 3above;
Preferably, the melt index MI of described mLLDPE is 0.5 ~ 1, and density is 0.916 ~ 0.920g/cm 3.
Preferably, the formula of PE heat shrink films lower floor of the present invention can be identical with upper strata, also can be different, and when both fill a prescription identical, PE heat shrink films has the more excellent stretching of performance and toughness simultaneously.
Preferably, lower layer formula is identical with upper strata, is specially, and described lower floor comprises the component of following percentage by weight:
Such as, the percentage by weight of LDPE (low density polyethylene (LDPE)) can be 11%, 12%, 13%, 14%, 15%, 16%, 17%, 18% or 19%;
The percentage by weight of HDPE (high density polyethylene (HDPE)) is 19%, 20%, 20.5%, 21%, 21.6%, 22%, 22.4%, 23%, 23.8%, 24%, 24.6%, 25% or 25.8%;
The percentage by weight of mLLDPE (metallocene PE) can be 41%, 42%, 43%, 44%, 45%, 46%, 47%, 48%, 49%, 50%, 51%, 52%, 53%, 54%, 55%, 56%, 57%, 58% or 59%;
The percentage by weight of UHMWPE (ultra-high molecular weight polyethylene) can be 6%, 7%, 8%, 9%, 10%, 11%, 12%, 13% or 14%;
The percentage by weight of Tissuemat E can be 2%, 3%, 4%, 5%, 6%, 7%, 8% or 9%.
Preferably, described lower floor comprises the component of following percentage by weight:
Preferably, the melt index MI of described LDPE is 0.2 ~ 0.3, and density is 0.920 ~ 0.923g/cm 3;
Preferably, the melt index MI of described HDPE is less than 0.01, and density is 0.955g/cm 3above;
Preferably, the melt index MI of described mLLDPE is 0.5 ~ 1, and density is 0.916 ~ 0.920g/cm 3.
Preferably, described middle level comprises the component of following percentage by weight:
Such as, the percentage by weight of LDPE (low density polyethylene (LDPE)) can be 2%, 3%, 4%, 5%, 6%, 7%, 8% or 9%;
The percentage by weight of HDPE (high density polyethylene (HDPE)) is 26%, 27%, 28%, 29%, 30%, 31%, 32%, 33%, 34%, 35%, 36%, 37%, 38% or 39%;
The percentage by weight of mLLDPE (metallocene PE) can be 21%, 22%, 23%, 24%, 25%, 26%, 27%, 28%, 29%, 30%, 31%, 32%, 33%, 34%, 35%, 36%, 37%, 38%, 39%, 40%, 41%, 42%, 43%, 44%, 45%, 46%, 47%, 48% or 49%;
The percentage by weight of UHMWPE (ultra-high molecular weight polyethylene) can be 21%, 22%, 23%, 24%, 25%, 26%, 27%, 28%, 29%, 30%, 31%, 32%, 33%, 34%, 35%, 36%, 37%, 38% or 39%;
The percentage by weight of Tissuemat E can be 2%, 3%, 4%, 5%, 6%, 7%, 8% or 9%.
Preferably, described middle level comprises the component of following percentage by weight:
Preferably, the melt index MI of described LDPE is 0.2 ~ 0.3, and density is 0.920 ~ 0.923g/cm 3;
Preferably, the melt index MI of described HDPE is less than 0.01, and density is 0.955g/cm 3above;
Preferably, the melt index MI of described mLLDPE is 0.2 ~ 0.3, and density is 0.930 ~ 0.950g/cm 3.
Preferably, the thickness on described upper strata: the thickness in middle level: the thickness=1:2 ~ 5:1 of lower floor, such as 1:2:1,1:2.2:1,1:2.5:1,1:2.8:1,1:3:1,1:3.5:1,1:3.7:1,1:4:1,1:4.2:1,1:4.5:1,1:4.8:1 or 1:5:1.
Preferably, the thickness on described upper strata: the thickness in middle level: the thickness=1:3:1 of lower floor.
Above-mentioned Thickness ratio adopts skeleton to strengthen structure, and intermediate density is high, plays skeleton function, for PE heat shrink films provides stretching and hot strength, ectonexine density is low, plays muscle (skin) effect, for PE heat shrink films provides preferably toughness, optical property and heat sealability.
Compared with prior art, the invention has the advantages that: the nucleus of the upper, middle and lower of PE heat shrink films of the present invention is all metallocene PE and UHMWPE; What it adopted with lower floor at the middle and upper levels is that melt index is high, low density mLLDPE, and Main Function is toughness reinforcing; What middle level adopted is that melt index is low, the mLLDPE that density is high, and Main Function is for strengthening.Therefore, by adopting the mLLDPE of different melt index, density, PE thermal contraction film strength and toughness can be ensured simultaneously.
In addition, by increasing UHMWPE, the synergy of itself and metallocene PE, can increase stretching and the toughness of PE heat shrink films further, after tested, the hot strength of PE heat shrink films of the present invention, toughness improve 40%, about 30% than the PE heat shrink films of routine respectively.
In a word, metallocene PE and UHMWPE significantly improve the overall performance of PE heat shrink films; Compared with the PE heat shrink films of routine, although its thickness reduces, the weight of its pack content (as beverage) is identical with the content of conventional PE heat shrink films.Such as, the average thickness of conventional PE heat shrink films is 80 μm, and it can pack the beverage of 15kg; Although PE heat shrink films thickness of the present invention is only 60 μm, the beverage of identical weight can be packed equally.
Accompanying drawing explanation
Fig. 1 is the structural representation of embodiment 1PE heat shrink films.
Detailed description of the invention
Below in conjunction with accompanying drawing embodiment, the present invention is described in further detail.
Comparative example
The PE heat shrink films of the present embodiment is commercially available prod, and its specification is 560*0.08mm, props up beverage for packing 600mL*24.It improves PE thermal contraction film strength by HDPE, does not add UHMWPE.
The PO heat shrink films of the present embodiment comprises the upper, middle and lower, the thickness on upper strata: the thickness in middle level: the thickness=1:3:1 of lower floor.The component that the upper and lower comprise is identical, and the percentage by weight of each component is: LDPE25%, HDPE25%, mPE50%; The percentage by weight of each component in middle level is: LDPE17%, HDPE33%, MPE50%.
Embodiment 1
The PE heat shrink films of the present embodiment, as shown in Figure 1, comprise set gradually from top to bottom upper strata 1, middle level 2 and lower floor 3; The thickness on upper strata 1: the thickness in middle level 2: the thickness=1:2:1 of lower floor 3.
Wherein, upper strata 1 is identical with the formula of lower floor 3, all comprises the component of following percentage by weight:
Wherein, in the formula of upper strata 1 and lower floor 3, the melt index of LDPE is 0.2 ~ 0.3, and density is 0.920 ~ 0.923g/cm 3; The melt index of HDPE is less than 0.01, and density is 0.955g/cm 3above; The melt index of described mLLDPE is 0.5 ~ 1, and density is 0.916 ~ 0.920g/cm 3.
Middle level 2 comprises the component of following percentage by weight:
Wherein, in the formula in middle level 2, the melt index of LDPE is 0.2 ~ 0.3, and density is 0.920 ~ 0.923g/cm 3; The melt index of HDPE is less than 0.01, and density is 0.955g/cm 3above; The melt index of mLLDPE is 0.2 ~ 0.3, and density is 0.930 ~ 0.950g/cm 3.
Embodiment 2
The PE heat shrink films of the present embodiment, comprises the upper, middle and lower set gradually from top to bottom; The thickness on upper strata: the thickness in middle level: the thickness=1:3:1 of lower floor.
Wherein, the formula of the upper and lower is identical, all comprises the component of following percentage by weight:
Wherein, in the formula of the upper and lower, the melt index of LDPE is 0.2 ~ 0.3, and density is 0.920 ~ 0.923g/cm 3; The melt index of HDPE is less than 0.01, and density is 0.955g/cm 3above; The melt index of described mLLDPE is 0.5 ~ 1, and density is 0.916 ~ 0.920g/cm 3.
Middle level comprises the component of following percentage by weight:
Wherein, in the formula in middle level, the melt index of LDPE is 0.2 ~ 0.3, and density is 0.920 ~ 0.923g/cm 3; The melt index of HDPE is less than 0.01, and density is 0.955g/cm 3above; The melt index of mLLDPE is 0.2 ~ 0.3, and density is 0.930 ~ 0.950g/cm 3.
Embodiment 3
The PE heat shrink films of the present embodiment, comprises the upper, middle and lower set gradually from top to bottom; The thickness on upper strata: the thickness in middle level: the thickness=1:5:1 of lower floor.
Wherein, the formula of the upper and lower is identical, all comprises the component of following percentage by weight:
Wherein, in the formula of the upper and lower, the melt index of LDPE is 0.2 ~ 0.3, and density is 0.920 ~ 0.923g/cm 3; The melt index of HDPE is less than 0.01, and density is 0.955g/cm 3above; The melt index of described mLLDPE is 0.5 ~ 1, and density is 0.916 ~ 0.920g/cm 3.
Middle level comprises the component of following percentage by weight:
Wherein, in the formula in middle level, the melt index of LDPE is 0.2 ~ 0.3, and density is 0.920 ~ 0.923g/cm 3; The melt index of HDPE is less than 0.01, and density is 0.955g/cm 3above; The melt index of mLLDPE is 0.2 ~ 0.3, and density is 0.930 ~ 0.950g/cm 3.
Carry out performance test to the PE heat shrink films of comparative example, embodiment 1 ~ 3, test result is in table 1.
The performance of PE heat shrink films prepared by each embodiment of table 1.
Above content is only preferred embodiment of the present invention, and for those of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, this description should not be construed as limitation of the present invention.

Claims (10)

1. a PE heat shrink films, comprise set gradually from top to bottom upper strata (1), middle level (2) and lower floor (3), it is characterized in that, described upper strata (1) comprises the component of following percentage by weight:
2. PE heat shrink films according to claim 1, is characterized in that, described upper strata (1) comprises the component of following percentage by weight:
3. PE heat shrink films according to claim 1 and 2, is characterized in that: the melt index of described LDPE is 0.2 ~ 0.3, and density is 0.920 ~ 0.923g/cm 3;
Preferably, the melt index of described HDPE is less than 0.01, and density is 0.955g/cm 3above;
Preferably, the melt index of described mLLDPE is 0.5 ~ 1, and density is 0.916 ~ 0.920g/cm 3.
4. PE heat shrink films according to claim 1, is characterized in that, described lower floor (3) comprises the component of following percentage by weight:
5. PE heat shrink films according to claim 4, is characterized in that, described lower floor (3) comprises the component of following percentage by weight:
6. the PE heat shrink films according to claim 4 or 5, is characterized in that: the melt index of described LDPE is 0.2 ~ 0.3, and density is 0.920 ~ 0.923g/cm 3;
Preferably, the melt index of described HDPE is less than 0.01, and density is 0.955g/cm 3above;
Preferably, the melt index of described mLLDPE is 0.5 ~ 1, and density is 0.916 ~ 0.920g/cm 3.
7. PE heat shrink films according to claim 1, is characterized in that, described middle level (2) comprise the component of following percentage by weight:
8. PE heat shrink films according to claim 7, is characterized in that, described middle level (2) comprise the component of following percentage by weight:
9. the PE heat shrink films according to claim 7 or 8, is characterized in that: the melt index of described LDPE is 0.2 ~ 0.3, and density is 0.920 ~ 0.923g/cm 3;
Preferably, the melt index of described HDPE is less than 0.01, and density is 0.955g/cm 3above;
Preferably, the melt index of described mLLDPE is 0.2 ~ 0.3, and density is 0.930 ~ 0.950g/cm 3.
10. PE heat shrink films according to claim 1, is characterized in that: the thickness of described upper strata (1): the thickness of middle level (2): the thickness=1:2 ~ 5:1 of lower floor (3), is preferably 1:3:1.
CN201511024860.XA 2015-12-29 2015-12-29 A kind of PE heat shrink films Active CN105459549B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201511024860.XA CN105459549B (en) 2015-12-29 2015-12-29 A kind of PE heat shrink films

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201511024860.XA CN105459549B (en) 2015-12-29 2015-12-29 A kind of PE heat shrink films

Publications (2)

Publication Number Publication Date
CN105459549A true CN105459549A (en) 2016-04-06
CN105459549B CN105459549B (en) 2018-05-04

Family

ID=55597902

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201511024860.XA Active CN105459549B (en) 2015-12-29 2015-12-29 A kind of PE heat shrink films

Country Status (1)

Country Link
CN (1) CN105459549B (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106009184A (en) * 2016-07-01 2016-10-12 桐城市华猫软膜有限公司 PE (Poly Ethylene) heat shrink film and preparation method thereof
CN106218159A (en) * 2016-07-19 2016-12-14 杭州德雅包装有限公司 A kind of heat shrink films and utilize the packaging material that this heat shrink films makes
CN108177409A (en) * 2017-12-26 2018-06-19 东莞市正新包装制品有限公司 Polyethylene heat-shrinkage film
CN110154478A (en) * 2019-06-11 2019-08-23 福建富一锦科技有限公司 A kind of transparent milk packaging film and preparation method thereof
CN110641116A (en) * 2019-11-02 2020-01-03 宁波鸿雁包装材料有限公司 High-tensile-property thin packaging 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

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2381236A (en) * 2001-10-26 2003-04-30 Plastipack Limted Protective sheet
CN102173160A (en) * 2010-12-29 2011-09-07 东莞市正新包装制品有限公司 Heavy-duty thermal shrinkage polyethylene film and preparation method thereof
CN102942730A (en) * 2012-11-26 2013-02-27 贵阳益润塑料包装容器有限公司 Method for modifying high density polyethylene to prepare chemical container
CN104004254A (en) * 2014-05-27 2014-08-27 安徽金大仪器有限公司 High-strength corrosion-resistant plastic valve element and preparation method thereof
CN104354427A (en) * 2014-12-01 2015-02-18 东莞市正新包装制品有限公司 Five-layer polyethylene repackaging hot shrinkable film and preparation method thereof
CN104416987A (en) * 2013-08-30 2015-03-18 东莞市正新包装制品有限公司 Low-thickness polyethylene heat shrinkable film

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2381236A (en) * 2001-10-26 2003-04-30 Plastipack Limted Protective sheet
CN102173160A (en) * 2010-12-29 2011-09-07 东莞市正新包装制品有限公司 Heavy-duty thermal shrinkage polyethylene film and preparation method thereof
CN102942730A (en) * 2012-11-26 2013-02-27 贵阳益润塑料包装容器有限公司 Method for modifying high density polyethylene to prepare chemical container
CN104416987A (en) * 2013-08-30 2015-03-18 东莞市正新包装制品有限公司 Low-thickness polyethylene heat shrinkable film
CN104004254A (en) * 2014-05-27 2014-08-27 安徽金大仪器有限公司 High-strength corrosion-resistant plastic valve element and preparation method thereof
CN104354427A (en) * 2014-12-01 2015-02-18 东莞市正新包装制品有限公司 Five-layer polyethylene repackaging hot shrinkable film and preparation method thereof

Non-Patent Citations (5)

* Cited by examiner, † Cited by third party
Title
伍秋涛: "《使用软包装复合加工技术》", 31 March 2008, 北京：化学工业出版社 *
卓昌明: "《塑料应用技术手册》", 31 May 2013, 北京：机械工业出版社 *
孙绍灿: "《塑料实用手册》", 31 January 2000, 杭州：浙江科学技术出版社 *
王国建: "《多组分聚合物：原理、结构与性能》", 31 October 2013, 上海：同济大学出版社 *
王澜: "《高分子材料》", 31 January 2009, 北京：中国轻工业出版社 *

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106009184A (en) * 2016-07-01 2016-10-12 桐城市华猫软膜有限公司 PE (Poly Ethylene) heat shrink film and preparation method thereof
CN106218159A (en) * 2016-07-19 2016-12-14 杭州德雅包装有限公司 A kind of heat shrink films and utilize the packaging material that this heat shrink films makes
CN106218159B (en) * 2016-07-19 2018-05-22 杭州德雅包装有限公司 Packaging material made of a kind of heat shrink films and the heat shrink films
CN108177409A (en) * 2017-12-26 2018-06-19 东莞市正新包装制品有限公司 Polyethylene heat-shrinkage film
CN110154478A (en) * 2019-06-11 2019-08-23 福建富一锦科技有限公司 A kind of transparent milk packaging film and preparation method thereof
CN110641116A (en) * 2019-11-02 2020-01-03 宁波鸿雁包装材料有限公司 High-tensile-property thin packaging film and preparation method thereof
CN110641116B (en) * 2019-11-02 2021-08-24 宁波鸿雁包装材料有限公司 High-tensile-property thin packaging 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

Also Published As

Publication number Publication date
CN105459549B (en) 2018-05-04

Similar Documents

Publication Publication Date Title
CN105459549A (en) PE heat shrink film
CN104416987B (en) A kind of polyethylene heat-shrinkage film of low thickness
JP6496981B2 (en) Sealant film, and film laminate and standing pouch using the same
CN107206766B (en) Laminated structure and stand up pouch made therefrom
BR112019000233A2 (en) recyclable polyethylene film
ES2842774T3 (en) Multilayer films oriented in the machining direction and articles comprising the same
JP2014069456A (en) Sealant film, packaging material obtained by using the same, and packaging bag
MX2012015307A (en) Single polymer film structures for use in stand-up-pouches.
MY157672A (en) Multilayer film and bag formed of multilayer film
JP2015016666A (en) Multilayer coextrusion film
JP6798967B2 (en) Sealant film, and packaging materials and packaging bags using it
MX2015014557A (en) Stretch-sleeve film.
CN105922690A (en) Permeation resisting composite film
MX2019003242A (en) Resin for use as tie layers in multilayer films and multilayer films comprising the same.
TWI341790B (en)
CN104859948A (en) High impact force-resistant polyethylene heat shrink film and film blowing process
JP2014210366A (en) Polyethylene-based multilayer film
US5576038A (en) Liquid packaging film
CN105644094B (en) A kind of PO heat shrink films
JP2024050881A (en) Polyethylene sealant film and laminate film
CN103879110A (en) Tear-resisting pearl wool
CN107253382A (en) A kind of paper soft packaging material by aluminum-plastic compound
CN108099150A (en) A kind of preparation method of packaging film
JP2017061078A (en) Ultraviolet-blocking resin film, sealant, and method for producing resin film
JP6743932B2 (en) Sealant film, packaging material and packaging bag using the same

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant