CN105885158A - Film material for bubble bag and preparation method thereof - Google Patents
Film material for bubble bag and preparation method thereof Download PDFInfo
- Publication number
- CN105885158A CN105885158A CN201610202026.3A CN201610202026A CN105885158A CN 105885158 A CN105885158 A CN 105885158A CN 201610202026 A CN201610202026 A CN 201610202026A CN 105885158 A CN105885158 A CN 105885158A
- Authority
- CN
- China
- Prior art keywords
- parts
- extrusion
- membrane material
- bubble bags
- film material
- 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.)
- Pending
Links
Classifications
-
- 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
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B37/00—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding
- B32B37/14—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers
- B32B37/15—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer being manufactured and immediately laminated before reaching its stable state, e.g. in which a layer is extruded and laminated while in semi-molten state
- B32B37/153—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the properties of the layers with at least one layer being manufactured and immediately laminated before reaching its stable state, e.g. in which a layer is extruded and laminated while in semi-molten state at least one layer is extruded and immediately laminated while in semi-molten state
-
- 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
-
- 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
- C08J2475/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
- C08J2475/04—Polyurethanes
-
- 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
- C08K2201/002—Physical properties
- C08K2201/003—Additives being defined by their diameter
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/10—Transparent films; Clear coatings; Transparent materials
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/14—Gas barrier composition
-
- 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
-
- 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)
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
- Buffer Packaging (AREA)
Abstract
The invention provides a film material for a bubble bag and a preparation method thereof. The film material is prepared from low-density polyethylene, 2,2-dimethylolpropionic acid, isocyanate, methyl trichlorosilane, dioctyl adipate, erucyl amide, silica, diphenyl dichlorosilane, polyoxyl oleate and dicumyl peroxide. The preparation method comprises the steps that the components are thrown into a blender to be mixed, and the mixture is transferred to a first extrusion unit hopper, a second extrusion unit hopper and a third extrusion unit hopper of a three-layer co-extrusion blow molding machine; the materials in the hoppers are fused; extrusion units are started for extrusion operation, three layers of thin films are formed by the extrusion units and a die film pipe in a blowing mode and then overlapped to be pressed together, heat bonding is carried out, and the film material for the bubble bag is formed. The film material for the bubble bag has high tensile strength, full light ray transmittance and deformation resisting temperature, low oxygen permeating rate and capable of meeting the performance requirements for the film material of the bubble bag.
Description
Technical field
The present invention relates to packaging material field, be specifically related to a kind of membrane material for bubble bags and preparation method thereof.
Background technology
Bubble bags is the transparent flexible packing material of the one currently commonly used, and is widely used in electronics, instrument, pottery, artware, household electrical appliance, from garage, the shock resistance buffering of kitchen, furniture, hardware & tools goods, glass and precision instrument etc., protective packaging.Its principle is to comprise air with thin film to be allowed to form bubble to prevent product from clashing into, it is ensured that play a protective role when product is given a shock, and also has the effect of insulation simultaneously, and the different product packaging or the turnover that are suitable for all trades and professions are used.Owing to air-cushion film intermediate layer is full of air, so body is light, high resilience, there is sound insulation, performance shockproof, antiwear, it is waterproof, moistureproof, resistance to compression.
Bubble bags divides again one side and two-sided two kinds, the product that one side bubble bags suitable antistatic bubble volume protection own wt is lighter, and the anti-brisance of two-sided bubble bags is suitable for by force the article packaging that volume is the most heavier.Single, double surface bubble bags is suitable for the packaging of every profession and trade product and such as does bag, section.Single, double surface bubble bags can be set up defences electrostatic bubble bags, and different colours, printing. and also can be combined other material increases protectiveness and attractive in appearance.
The membrane material of traditional bubble bags is with LDPE: Low-density polyethylene plastics particle as Main Components, the highest to raw-material requirement, and preparation cost is high, and blowing property, sealing, weatherability and the feature of environmental protection all have much room for improvement.
Summary of the invention
Goal of the invention: it is an object of the invention to provide a kind of membrane material for bubble bags and preparation method thereof, this membrane material hot strength, total light transmittance and resistance to deformation temperature are the highest, and oxygen transit dose is relatively low.
Technical scheme:
A kind of membrane material for bubble bags, by weight, including following component: Low Density Polyethylene 15-20 part, 2,2-dihydromethyl propionic acid 4-6 part, isocyanates 20-25 part, methyl trichlorosilane 9-11 part, dioctyl adipate 4-6 part, erucyl amide 3-6 part, silica 1 0-12 part, diphenyl dichlorosilane 3-4 part, polyethylene glycol (PEG) oleate 1-1.5 part, cumyl peroxide 1.2-1.5 part.
Preferably, by weight, including following component: Low Density Polyethylene 17-18 part, 2,2-dihydromethyl propionic acid 5 parts, isocyanates 22-23 part, methyl trichlorosilane 9-10 part, dioctyl adipate 4-5 part, erucyl amide 3-5 part, silica 1 1-12 part, diphenyl dichlorosilane 3 parts, polyethylene glycol (PEG) oleate 1.2-1.4 part, cumyl peroxide 1.3-1.4 part.
It is highly preferred that by weight, including following component: Low Density Polyethylene 18 parts, 2,2-dihydromethyl propionic acid 5 parts, isocyanates 23 parts, methyl trichlorosilane 10 parts, dioctyl adipate 4 parts, erucyl amide 4 parts, silica 11 part, diphenyl dichlorosilane 3 parts, polyethylene glycol (PEG) oleate 1.3 parts, cumyl peroxide 1.3 parts.
The density of described Low Density Polyethylene is 0.915～0.935g/cm3Between.
The uniform particle sizes of described silicon dioxide, particle diameter is between 7～13 μm.
The preparation method of a kind of membrane material for bubble bags, comprises the steps:
(1) by weight, each component is weighed；
(2) each component is put in blender, after stirrer for mixing is uniform, is transferred to No. 1 of three-layer co-extruded blow molding machine, No. 2, No. 3 respectively and extrudes in unit hoppers；Controlling with No. 1 extrusion barrel that is connected of unit hopper and the temperature of barrel being connected with No. 3 extrusion unit hoppers is 175～180 DEG C, and control is 195～200 DEG C with No. 2 temperature extruding the barrel that unit hoppers are connected, and makes the material melts in each barrel；
(3) simultaneously start No. 1, No. 2, No. 3 extrusion units carry out extrusion operation, the extruded velocity controlling No. 2 extrusion units is 1～3 times of No. 1 and No. 3 extrusion unit, the first surface layer film, internal layer membrane and the second surface layer film arranged successively according to order from top to bottom is formed through each extrusion unit and mould membrane tube inflation, three-layer thin-film is sequentially passed through vane cooling again, herringbone retraction rack be guided into traction nip rolls and make three-layer thin-film overlapping overlay together, hot adhesion and form the membrane material for bubble bags.
Beneficial effect:
The membrane material for bubble bags that the present invention provides has higher hot strength, total light transmittance and resistance to deformation temperature, and oxygen transit dose is relatively low, it is possible to meet the bubble bags performance requirement to membrane material.
Detailed description of the invention
The following examples can make those skilled in the art that the present invention is more fully understood, but limits the present invention never in any form.Embodiment 1
A kind of membrane material for bubble bags, by weight, including following component: Low Density Polyethylene 15 parts, 2,2-dihydromethyl propionic acid 4 parts, isocyanates 20 parts, methyl trichlorosilane 9 parts, dioctyl adipate 4-part, erucyl amide 3 parts, silica 10 part, diphenyl dichlorosilane 3 parts, polyethylene glycol (PEG) oleate 1 part, cumyl peroxide 1.2 parts.
Preparation method:
(1) by weight, each component is weighed；
(2) each component is put in blender, after stirrer for mixing is uniform, is transferred to No. 1 of three-layer co-extruded blow molding machine, No. 2, No. 3 respectively and extrudes in unit hoppers；Controlling with No. 1 extrusion barrel that is connected of unit hopper and the temperature of barrel being connected with No. 3 extrusion unit hoppers is 175 DEG C, and control is 195 DEG C with No. 2 temperature extruding the barrel that unit hoppers are connected, and makes the material melts in each barrel；
(3) simultaneously start No. 1, No. 2, No. 3 extrusion units carry out extrusion operation, the extruded velocity controlling No. 2 extrusion units is 1～3 times of No. 1 and No. 3 extrusion unit, the first surface layer film, internal layer membrane and the second surface layer film arranged successively according to order from top to bottom is formed through each extrusion unit and mould membrane tube inflation, three-layer thin-film is sequentially passed through vane cooling again, herringbone retraction rack be guided into traction nip rolls and make three-layer thin-film overlapping overlay together, hot adhesion and form the membrane material for bubble bags.
Embodiment 2
A kind of membrane material for bubble bags, by weight, including following component: Low Density Polyethylene 17 parts, 2,2-dihydromethyl propionic acid 5 parts, isocyanates 22 parts, methyl trichlorosilane 9 parts, dioctyl adipate 4 parts, erucyl amide 3 parts, silica 11 part, diphenyl dichlorosilane 3 parts, polyethylene glycol (PEG) oleate 1.2 parts, cumyl peroxide 1.3 parts.
The preparation method difference from embodiment 1 is: in step (2), controlling with No. 1 extrusion barrel that is connected of unit hopper and the temperature of barrel being connected with No. 3 extrusion unit hoppers is 177 DEG C, and control is 197 DEG C with No. 2 temperature extruding the barrel that unit hoppers are connected.
Embodiment 3
A kind of membrane material for bubble bags, by weight, including following component: Low Density Polyethylene 18 parts, 2,2-dihydromethyl propionic acid 5 parts, isocyanates 23 parts, methyl trichlorosilane 10 parts, dioctyl adipate 4 parts, erucyl amide 4 parts, silica 11 part, diphenyl dichlorosilane 3 parts, polyethylene glycol (PEG) oleate 1.3 parts, cumyl peroxide 1.3 parts.
The preparation method difference from embodiment 1 is: in step (2), controlling with No. 1 extrusion barrel that is connected of unit hopper and the temperature of barrel being connected with No. 3 extrusion unit hoppers is 178 DEG C, and control is 198 DEG C with No. 2 temperature extruding the barrel that unit hoppers are connected.
Embodiment 4
A kind of membrane material for bubble bags, by weight, including following component: Low Density Polyethylene 18 parts, 2,2-dihydromethyl propionic acid 5 parts, isocyanates 23 parts, methyl trichlorosilane 10 parts, dioctyl adipate 5 parts, erucyl amide 5 parts, silica 12 parts, diphenyl dichlorosilane 3 parts, polyethylene glycol (PEG) oleate 1.4 parts, cumyl peroxide 1.4 parts.
The preparation method difference from embodiment 1 is: in step (2), controlling with No. 1 extrusion barrel that is connected of unit hopper and the temperature of barrel being connected with No. 3 extrusion unit hoppers is 179 DEG C, and control is 199 DEG C with No. 2 temperature extruding the barrel that unit hoppers are connected.
Embodiment 5
A kind of membrane material for bubble bags, by weight, including following component: Low Density Polyethylene 20 parts, 2,2-dihydromethyl propionic acid 6 parts, isocyanates 25 parts, methyl trichlorosilane 11 parts, dioctyl adipate 6 parts, erucyl amide 6 parts, silica 12 parts, diphenyl dichlorosilane 4 parts, polyethylene glycol (PEG) oleate 1.5 parts, cumyl peroxide 1.5 parts.
The preparation method difference from embodiment 1 is: in step (2), controlling with No. 1 extrusion barrel that is connected of unit hopper and the temperature of barrel being connected with No. 3 extrusion unit hoppers is 180 DEG C, and control is 200 DEG C with No. 2 temperature extruding the barrel that unit hoppers are connected.
Comparative example 1
Difference with embodiment 3 is: do not add 2,2-dihydromethyl propionic acid.
Comparative example 2
Difference with embodiment 3 is: do not add isocyanates.
Performance test:
Embodiment 1～5 and the physical property for the membrane material of bubble bags that obtains of comparative example 1～2 see table 1.
Table 1
As shown in Table 1, the membrane material for bubble bags that the present invention provides has higher hot strength, total light transmittance and resistance to deformation temperature, and oxygen transit dose is relatively low.
Claims (6)
1. the membrane material for bubble bags, it is characterised in that by weight, including following component: Low Density Polyethylene 15-20 part, 2,2-dihydromethyl propionic acid 4-6 parts, isocyanates 20-25 part, methyl trichlorosilane 9-11 part, dioctyl adipate 4-6 part, erucyl amide 3-6 part, silica 1 0-12 part, diphenyl dichlorosilane 3-4 part, polyethylene glycol (PEG) oleate 1-1.5 part, cumyl peroxide 1.2-1.5 part.
A kind of membrane material for bubble bags the most according to claim 1, it is characterised in that by weight, including following component: Low Density Polyethylene 17-18 part, 2,2-dihydromethyl propionic acids 5 parts, isocyanates 22-23 part, methyl trichlorosilane 9-10 part, dioctyl adipate 4-5 part, erucyl amide 3-5 part, silica 1 1-12 part, diphenyl dichlorosilane 3 parts, polyethylene glycol (PEG) oleate 1.2-1.4 part, cumyl peroxide 1.3-1.4 part.
A kind of membrane material for bubble bags the most according to claim 1, it is characterised in that by weight, including following component: Low Density Polyethylene 18 parts, 2,2-dihydromethyl propionic acids 5 parts, isocyanates 23 parts, methyl trichlorosilane 10 parts, dioctyl adipate 4 parts, erucyl amide 4 parts, silica 11 part, diphenyl dichlorosilane 3 parts, polyethylene glycol (PEG) oleate 1.3 parts, cumyl peroxide 1.3 parts.
4. according to a kind of membrane material for bubble bags described in any one of claim 1 ~ 3, it is characterised in that the density of described Low Density Polyethylene is 0.915～0.935g/cm3Between.
5. according to a kind of membrane material for bubble bags described in any one of claim 1 ~ 3, it is characterised in that the uniform particle sizes of described silicon dioxide, particle diameter is between 7 ~ 13 μm.
6. the preparation method of a kind of membrane material for bubble bags described in any one of claim 1 ~ 3, it is characterised in that comprise the steps:
(1) by weight, each component is weighed；
(2) each component is put in blender, after stirrer for mixing is uniform, is transferred to No. 1 of three-layer co-extruded blow molding machine, No. 2, No. 3 respectively and extrudes in unit hoppers；Controlling with No. 1 extrusion barrel that is connected of unit hopper and the temperature of barrel being connected with No. 3 extrusion unit hoppers is 175 ~ 180 DEG C, and control is 195 ~ 200 DEG C with No. 2 temperature extruding the barrel that unit hoppers are connected, and makes the material melts in each barrel；
(3) simultaneously start No. 1, No. 2, No. 3 extrusion units carry out extrusion operation, the extruded velocity controlling No. 2 extrusion units is 1 ~ 3 times of No. 1 and No. 3 extrusion unit, the first surface layer film, internal layer membrane and the second surface layer film arranged successively according to order from top to bottom is formed through each extrusion unit and mould membrane tube inflation, three-layer thin-film is sequentially passed through vane cooling again, herringbone retraction rack be guided into traction nip rolls and make three-layer thin-film overlapping overlay together, hot adhesion and form the membrane material for bubble bags.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610202026.3A CN105885158A (en) | 2016-04-01 | 2016-04-01 | Film material for bubble bag and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610202026.3A CN105885158A (en) | 2016-04-01 | 2016-04-01 | Film material for bubble bag and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105885158A true CN105885158A (en) | 2016-08-24 |
Family
ID=57013229
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610202026.3A Pending CN105885158A (en) | 2016-04-01 | 2016-04-01 | Film material for bubble bag and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105885158A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107163345A (en) * | 2017-06-20 | 2017-09-15 | 苏州奥宇包装科技有限公司 | A kind of preparation method of heat-resisting ldpe film |
| CN108034119A (en) * | 2017-11-27 | 2018-05-15 | 广东天元实业集团股份有限公司 | Bubble bags material |
| CN111890770A (en) * | 2020-08-12 | 2020-11-06 | 中国科学院长春应用化学研究所 | Bubble buffer packaging composite film, preparation method thereof and bubble bag |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102070814A (en) * | 2010-12-22 | 2011-05-25 | 芜湖红方包装科技有限公司 | Air bubble bag packing material |
| CN104385565A (en) * | 2014-09-03 | 2015-03-04 | 福建师范大学 | Preparation method for three-layer co-extruded composite high barrier blown film |
| CN104448481A (en) * | 2014-11-25 | 2015-03-25 | 苏州九鼎珍珠棉有限公司 | PE air bubble film, preparation method of PE air bubble film and compound aluminum film air bubble film |
-
2016
- 2016-04-01 CN CN201610202026.3A patent/CN105885158A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102070814A (en) * | 2010-12-22 | 2011-05-25 | 芜湖红方包装科技有限公司 | Air bubble bag packing material |
| CN104385565A (en) * | 2014-09-03 | 2015-03-04 | 福建师范大学 | Preparation method for three-layer co-extruded composite high barrier blown film |
| CN104448481A (en) * | 2014-11-25 | 2015-03-25 | 苏州九鼎珍珠棉有限公司 | PE air bubble film, preparation method of PE air bubble film and compound aluminum film air bubble film |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107163345A (en) * | 2017-06-20 | 2017-09-15 | 苏州奥宇包装科技有限公司 | A kind of preparation method of heat-resisting ldpe film |
| CN108034119A (en) * | 2017-11-27 | 2018-05-15 | 广东天元实业集团股份有限公司 | Bubble bags material |
| CN111890770A (en) * | 2020-08-12 | 2020-11-06 | 中国科学院长春应用化学研究所 | Bubble buffer packaging composite film, preparation method thereof and bubble bag |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| TW568828B (en) | Multilayer structure for packaging and packaging containers manufactured therefrom, as well as method for manufacturing of the multilayer structure | |
| CN108790339B (en) | Double-layer polyethylene printing compound film | |
| CN102774110B (en) | Biaxially-oriented polyethylene shrink film and production technique thereof | |
| US6355732B1 (en) | Peel seal blend of 1-polybutylene, m-LLDPE and LDPE with high hot tack | |
| CN105885158A (en) | Film material for bubble bag and preparation method thereof | |
| DK1682343T3 (en) | Packaging material with a polyolefin foam layer | |
| CN208101252U (en) | A kind of sheet material for plastics sucking moulding | |
| CN103879112B (en) | Plastic compound flexible packaging polyethylene film and blow moiding method thereof | |
| CN104999738B (en) | A kind of coextru-lamination aluminium foil film and preparation method thereof | |
| CN102476493A (en) | Easy-split bi-directional stretching polyethylene film | |
| JP2016049727A (en) | Sealant film | |
| CN109263211A (en) | A kind of high transparency high separation easily tears off the seal lid film and its production technology | |
| CN103818083A (en) | Pure PE three-layer plastic film, corner angle packaging bag prepared therefrom, and production method of the film | |
| CN103358560B (en) | A kind of production method of multi-layer co-extruded low-temperature shrink Polyolefin Heat Shrinkable Film | |
| US9708092B2 (en) | Compositions and methods for manufacturing blow molded containers | |
| CN102825877A (en) | Multi-layer plastic composite isolating sheet and production process thereof | |
| CN201693819U (en) | Five-layer co-extrusion blocking cover material film | |
| CN106393834A (en) | Composite film | |
| CN110385905B (en) | Laminated co-extrusion film containing double-protection core barrier layers and production process thereof | |
| US3553070A (en) | Open scrim-like network foam product | |
| CN106739329A (en) | A kind of novel multi-layer co-extrusion graining film and preparation method thereof | |
| JP2023009437A (en) | Battery packaging laminate | |
| JP2017186049A (en) | Packaging material and method for manufacturing packaging | |
| CN109823693A (en) | A kind of foaming composite sheet and its preparation process | |
| CN105658706A (en) | Nylon film |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20160824 |
|
| RJ01 | Rejection of invention patent application after publication |