CN204894698U - Thermal shrinkage film - Google Patents

Thermal shrinkage film Download PDF

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Publication number
CN204894698U
CN204894698U CN201520628668.0U CN201520628668U CN204894698U CN 204894698 U CN204894698 U CN 204894698U CN 201520628668 U CN201520628668 U CN 201520628668U CN 204894698 U CN204894698 U CN 204894698U
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China
Prior art keywords
layer
film
material layer
biodegradable material
substrate layer
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CN201520628668.0U
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Chinese (zh)
Inventor
尹子原
缪国兴
童锋
穆范飞
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Guangdong Yuechengyuan Biotechnology Co ltd
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Zhongshan Guangmao Biolog Plasitc Technology Co ltd
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Abstract

The utility model discloses a thermal shrinkage film, it comprises at least one deck substrate layer and the biodegradable material layer of compounding with the substrate layer, but biodegradable material layer is by the film that biodegradable resin particle made through the extruder. The utility model discloses constitute by substrate layer and biodegradable material layer complex, but this biodegradable material layer is blown film blower or multilayer altogether by biodegradable resin particles through the multilayer and is crowded the film that the casting machine was made altogether, and this film is abandoned or the landfill is decomposed fastly and the broken comparison of residue is more tiny in natural environment, three month to one year's time alright decompose the living beings that wherein contain completely, and produce water and carbon dioxide after decomposing, reduce the pollution to the environment.

Description

A kind of heat shrinkage film
Technical field:
The utility model relates to packaging film technical field, refers in particular to a kind of heat shrinkage film.
Background technology:
Packaging film is extruded form primarily of the polyvinyl resin mixing of several different model, has puncture resistant, super-strength high-performance, for the packaging of product.Heat shrinkage film is the one in packaging film, and heat can be shunk, thus is coated on tightly on product.
Heat shrinkage film is widely used in the one integral piece assembly package of the products such as drinks, pop can class, mineral water class, various beverage class, cloth, the pliability of heat shrinkage film is good, impact resistance, tear resistance are strong, not cracky, be not afraid of tide, shrinkage factor is large, and heat shrinkage film material therefor is mainly various thermoplastic film.Initial based on PVC shrink film, along with market demand development, PVC shrink film reduces gradually, and the Multi-layer co-extruded heat shrinkage film development such as various PE, PP, PET, OPP, PVDC, POF rapidly, becomes the market mainstream.
But heat shrinkage film is all disposable product, tears after packaging product and namely abandon, be one and throwing type articles for use, do not can be recycled, and heat shrinkage film is one moulds goods, it is difficult to decompose, and can produce the direct atmosphere pollution of harmful substance and water source in its processing procedure, produces white pollution.As everyone knows, present white pollution is constantly destroying the environment that we depend on for existence, and therefore, we are badly in need of adopting and pollute less or free of contamination product replaces traditional moulding goods, to reduce the pollution to environment.
For the problems referred to above, I proposes a kind of heat shrinkage film applied decomposable asymmetric choice net biomaterial and make, and its more traditional heat shrinkage film is more easily decomposed.
Utility model content:
The purpose of this utility model is to overcome the deficiencies in the prior art, provides a kind of heat shrinkage film.
In order to solve the problems of the technologies described above, the utility model have employed following technical proposals: a kind of heat shrinkage film, it is by least one deck substrate layer and form with the biodegradable material layer of substrate layer compound, and biodegradable material layer is the film be made up by extruder of biodegradable resin particle.
Furthermore, in technique scheme, described substrate layer is PE layer.
Furthermore, in technique scheme, described PE layer is made up of at least two kinds of mixing in low density polyethylene (LDPE), high density polyethylene (HDPE), linear low density polyethylene (LLDPE), ultra-low density polyethylene.
Furthermore, in technique scheme, described substrate layer is provided with two-layer, and biodegradable material layer is arranged between two substrate layers.
Furthermore, in technique scheme, between described substrate layer and biodegradable material layer, be provided with tack coat.
Furthermore, in technique scheme, described tack coat is made up of modified form EVA resin.
Furthermore, in technique scheme, described substrate layer, to be made up of multi-layer co-extruded equipment between biodegradable material layer and tack coat.
Furthermore, in technique scheme, described substrate layer is provided with embossing.
After adopting technique scheme, the utility model has following beneficial effect compared with prior art: the utility model is made up of substrate layer and biodegradable material layer compound, this biodegradable material layer blows by multilayer the film that inflation film manufacturing machine or multi-layer co-extruded casting machine make by Biodegradable resin particle altogether, this film abandons or landfill decomposition rate in natural environment is fast and the residue ratio of reduction is more tiny, within three months, just wherein contained living beings can be decomposed completely to year, and produce water and carbon dioxide after decomposing, reduce the pollution to environment.
Accompanying drawing illustrates:
Fig. 1 is the structural representation of the utility model embodiment one;
Fig. 2 is the structural representation of embodiment two in the utility model.
Detailed description of the invention:
Below in conjunction with specific embodiments and the drawings, the utility model is further illustrated.
A kind of heat shrinkage film, it comprises: at least one deck substrate layer 1 and the biodegradable material layer 2 with substrate layer 1 compound.
Embodiment one;
As shown in Figure 1, the heat shrinkage film in the present embodiment is three-layer composite structure, and its top layer and bottom are substrate layer 1, and intermediate layer is biodegradable material layer 2.Substrate layer 1 is PE layer, and this PE layer is made up of at least two kinds of mixing in low density polyethylene (LDPE), high density polyethylene (HDPE), linear low density polyethylene (LLDPE), ultra-low density polyethylene, selects low density polyethylene (LDPE) and high density polyethylene (HDPE) two kinds mixing to form in the present embodiment.In addition, in order to increase the caking property between substrate layer 1 and biodegradable material layer 2, make to there will not be layering between the two, tack coat can be set up between substrate layer 1 and biological decomposition material layer 2, tack coat 3 is made up of modified form EVA resin, biodegradable material layer 2 is made up of biodegradable resin particle, substrate layer 1, is made by multi-layer co-extruded equipment between tack coat 3 and biodegradable material layer 2.Biodegradable resin particle is put into comminutor and is carried out mixing, melting, extrudes, cools rear pelletizing and obtain after being mixed by starch, polyvinyl alcohol, plasticizer, lubricant, Biodegradable polyester, above-mentioned starch is the one in cornstarch, wheaten starch, tapioca, farina; Plasticizer is: the mixture of glycerine, polyol polyester, water; Lubricant is talcum powder, erucyl amide, glycerin monostearate, the one of stearic acid calcium stearate or mixture; Biodegradable polyester is poly butyric ester.Use the film that above-mentioned material is made, the product after decomposing in the environment is carbon dioxide and water, and environmental pollution is low.
It is good that heat shrinkage film after making has pliability, and impact resistance, tear resistance are strong, not cracky, be not afraid of the focuses such as tide, shrinkage factor be large.In order to increase the aesthetic property of heat shrinkage film, printed layers can be set in the surface of heat shrinkage film, or embossing is set on substrate layer, to strengthen aesthetic property, attract consumer.
Embodiment two;
As shown in Figure 2, the heat shrinkage film in the present embodiment adopts five layers of composite construction, and adopt the pattern of ABABA, odd number layer is substrate layer 1, and plural layer is biodegradable material layer 2.Substrate layer 1 is PE layer, and this PE layer is made up of at least two kinds of mixing in low density polyethylene (LDPE), high density polyethylene (HDPE), linear low density polyethylene (LLDPE), ultra-low density polyethylene, selects low density polyethylene (LDPE) and high density polyethylene (HDPE) two kinds mixing to form in the present embodiment.In addition, in order to increase the caking property between substrate layer and biodegradable material layer, make to there will not be layering between the two, tack coat 3 can be set up between substrate layer 1 and biological decomposition material layer 2, tack coat 3 is made up of modified form EVA resin, biodegradable material layer 2 is made up of biodegradable resin particle, substrate layer 1, is made by multi-layer co-extruded equipment between tack coat 3 and biodegradable material layer 2.Biodegradable resin particle is put into comminutor and is carried out mixing, melting, extrudes, cools rear pelletizing and obtain after being mixed by starch, polyvinyl alcohol, plasticizer, lubricant, Biodegradable polyester, above-mentioned starch is the one in cornstarch, wheaten starch, tapioca, farina; Plasticizer is: the mixture of glycerine, polyol polyester, water; Lubricant is talcum powder, erucyl amide, glycerin monostearate, the one of stearic acid calcium stearate or mixture; Biodegradable polyester is poly butyric ester.Use the film that above-mentioned material is made, the product after decomposing in the environment is carbon dioxide and water, and environmental pollution is low.
It is good that heat shrinkage film after making has pliability, and impact resistance, tear resistance are strong, not cracky, be not afraid of the focuses such as tide, shrinkage factor be large.In order to increase the aesthetic property of heat shrinkage film, printed layers can be set in the surface of heat shrinkage film, or embossing is set on substrate layer, to strengthen aesthetic property, attract consumer.
In addition, according to difference use need and varying strength, toughness needs, heat shrinkage film can also be set to seven layers, nine layers even more.Abandon after the utility model is finished that landfill decomposition rate in natural environment is fast and the residue ratio of reduction is more tiny, within three months, just wherein contained living beings can be decomposed completely to year, and produce water and carbon dioxide after decomposing, reduce the pollution to environment.
Certainly, the foregoing is only specific embodiment of the utility model, be not limit the utility model practical range, all equivalences done according to structure, feature and principle described in the utility model claim change or modify, and all should be included in the utility model claim.

Claims (7)

1. a heat shrinkage film, it refers in particular to and is: it is by least one deck substrate layer and form with the biodegradable material layer of substrate layer compound, and biodegradable material layer is the film be made up by extruder of biodegradable resin particle.
2. a kind of heat shrinkage film according to claim 1, is characterized in that: described substrate layer is PE layer.
3. a kind of heat shrinkage film according to claim 1, it is characterized in that: described substrate layer is provided with two-layer, biodegradable material layer is arranged between two substrate layers.
4. a kind of heat shrinkage film according to claim 1, is characterized in that: be provided with tack coat between described substrate layer and biodegradable material layer.
5. a kind of heat shrinkage film according to claim 4, is characterized in that: described tack coat is made up of modified form EVA resin.
6. a kind of heat shrinkage film according to claim 1, is characterized in that: described substrate layer, be made up of multi-layer co-extruded equipment between biodegradable material layer and tack coat.
7. a kind of heat shrinkage film according to claim 1, is characterized in that: described substrate layer is provided with embossing.
CN201520628668.0U 2015-08-19 2015-08-19 Thermal shrinkage film Active CN204894698U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201520628668.0U CN204894698U (en) 2015-08-19 2015-08-19 Thermal shrinkage film

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201520628668.0U CN204894698U (en) 2015-08-19 2015-08-19 Thermal shrinkage film

Publications (1)

Publication Number Publication Date
CN204894698U true CN204894698U (en) 2015-12-23

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Country Status (1)

Country Link
CN (1) CN204894698U (en)

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
TR01 Transfer of patent right

Effective date of registration: 20171205

Address after: 528437 Zhongshan Torch Development Zone, Guangdong Province, one of the No. two East No. 10 along the river

Patentee after: Guangdong Jiayuan biological Polytron Technologies Inc

Address before: 528400 Zhongshan City, Guangdong Province, Wu Gui Shan Chang Shui Village three teams "Whitehead"

Patentee before: ZHONGSHAN GUANGMAO BIOPLASTIC TECHNOLOGY CO., LTD.

TR01 Transfer of patent right
CP01 Change in the name or title of a patent holder

Address after: 528437 No.1, No.10, Yanjiang East 2nd Road, Torch Development Zone, Zhongshan City, Guangdong Province

Patentee after: Guangdong yuechengyuan Biotechnology Co.,Ltd.

Address before: 528437 No.1, No.10, Yanjiang East 2nd Road, Torch Development Zone, Zhongshan City, Guangdong Province

Patentee before: GUANGDONG XINJIAYUAN BIOTECHNOLOGY Co.,Ltd.

CP01 Change in the name or title of a patent holder