CN112959772A - Special skylight toast bag of packing - Google Patents

Special skylight toast bag of packing Download PDF

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Publication number
CN112959772A
CN112959772A CN202110226642.3A CN202110226642A CN112959772A CN 112959772 A CN112959772 A CN 112959772A CN 202110226642 A CN202110226642 A CN 202110226642A CN 112959772 A CN112959772 A CN 112959772A
Authority
CN
China
Prior art keywords
skylight
bag
toast
packaging
resin film
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
Application number
CN202110226642.3A
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Chinese (zh)
Inventor
曹勇
曹冬梅
邵校
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.)
Qinhuangdao Meiyi Food Packaging Products Co Ltd
Original Assignee
Qinhuangdao Meiyi Food Packaging 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 Qinhuangdao Meiyi Food Packaging Products Co Ltd filed Critical Qinhuangdao Meiyi Food Packaging Products Co Ltd
Priority to CN202110226642.3A priority Critical patent/CN112959772A/en
Publication of CN112959772A publication Critical patent/CN112959772A/en
Pending legal-status Critical Current

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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
    • B32B27/10—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 paper or cardboard
    • 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
    • B32B27/18—Layered products comprising a layer of synthetic resin characterised by the use of special additives
    • 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
    • B32B29/00—Layered products comprising a layer of paper or cardboard
    • B32B29/002—Layered products comprising a layer of paper or cardboard as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • 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
    • B32B29/00—Layered products comprising a layer of paper or cardboard
    • B32B29/06—Layered products comprising a layer of paper or cardboard specially treated, e.g. surfaced, parchmentised
    • 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
    • B32B7/00—Layered products characterised by the relation between layers; Layered products characterised by the relative orientation of features between layers, or by the relative values of a measurable parameter between layers, i.e. products comprising layers having different physical, chemical or physicochemical properties; Layered products characterised by the interconnection of layers
    • B32B7/04—Interconnection of layers
    • B32B7/12—Interconnection of layers using interposed adhesives or interposed materials with bonding properties
    • 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
    • B65D29/00—Sacks or like containers made of fabrics; Flexible containers of open-work, e.g. net-like construction
    • B65D29/02—Sacks with laminated or multiple walls
    • 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
    • C08L23/10—Homopolymers or copolymers of propene
    • C08L23/12—Polypropene

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Wrappers (AREA)
  • Laminated Bodies (AREA)

Abstract

The invention relates to the technical field of food packaging bags, in particular to a skylight toast bag special for packaging; the packaging bag comprises laminating paper and an organic resin film used as a skylight, wherein the laminating paper and the organic resin film are bonded by an adhesive, and the organic resin film is prepared from the following raw materials in parts by weight: 90-95 parts of PP (polypropylene), 2-8 parts of degradation master batch and 2-3 parts of auxiliary agent. The invention aims to provide a skylight toast bag special for packaging, which has enough degradation rate, can reduce the pollution to the environment and protect the ecological environment.

Description

Special skylight toast bag of packing
Technical Field
The invention relates to the technical field of food packaging bags, in particular to a skylight toast bag special for packaging.
Background
At present, the existing packaging bag is made of biodegradable materials, most of the existing packaging bag is made of starch materials, but the degradable materials made of the starch materials have the defect of wasting grains, on the other hand, the packaging bag can be used for realizing visible contents, only can be formed by compounding multiple layers of transparent organic resin films, or half of the packaging bag is made of an aluminized composite film and half of the aluminized composite film is made of a transparent composite film, so that the manufactured packaging bag is not attractive enough, has low barrier property and cannot meet the requirements.
Therefore, a skylight toast bag special for packaging is provided.
Disclosure of Invention
The invention aims to provide a skylight toast bag special for packaging, which has enough degradation rate, can reduce the pollution to the environment and protect the ecological environment.
In order to achieve the purpose, the technical scheme of the invention is as follows:
the utility model provides a special skylight toast bag of packing, this wrapping bag includes drenches membrane paper and as the organic resin film in skylight, drench membrane paper and organic resin film and adopt the adhesive to bond between, organic resin film is formed by following raw materials according to the part by weight ratio: 90-95 parts of PP (polypropylene), 2-8 parts of degradation master batch and 2-3 parts of auxiliary agent.
Specifically, the density of the PP polypropylene is 0.90-0.92g/cm3The brittle temperature is 63-65 ℃, the melt flow rate is 6.0-6.5g/10min, and the light transmittance is more than or equal to 400 percent.
Furthermore, the PP polypropylene is a semi-crystalline thermoplastic plastic which has high impact resistance, good mechanical property and resistance to corrosion of various organic solvents and acid and alkali.
Furthermore, the laminated paper is a composite material formed by coating plastic particles on the surface of paper through a casting machine, and can prevent oil, water and heat seal.
Specifically, the degradable master batch is an EBP degradable master batch.
Furthermore, the EBP degradation master batch has the melt flow rate of 2.5 +/-0.2 g/10min and the density of 0.925 +/-0.01 g/cm3The water content is less than or equal to 0.5 percent.
Specifically, the auxiliary agent consists of a dispersing agent, a compatilizer, an antioxidant and a crosslinking sensitizer according to the mass ratio of (0.5-2.5): (1-6): 1-5): 10-20.
Specifically, the dispersing agent is polyethylene wax.
Specifically, the compatilizer is EPDM or SBS.
Specifically, the antioxidant is a heat-resistant phenolic compound.
Specifically, the crosslinking sensitizer is trimethylolpropane triacrylate or diethylene glycol dimethacrylate.
Further, the invention relates to a preparation method of the organic resin film, which comprises the following steps:
s1: preparing raw materials according to the components;
s2: mixing PP polypropylene, a dispersing agent, a compatilizer, an antioxidant and a crosslinking sensitizer, and uniformly stirring to obtain a mixture A;
s3: adding the degradation master batch into the mixture A, mixing, and uniformly stirring to obtain a mixture B; then, sequentially carrying out melt extrusion, sheet casting, longitudinal stretching, transverse stretching, traction edge cutting and bag making on the mixture B, wherein the extrusion temperature in the melt extrusion is 180-220 ℃, and the die head temperature is 205-215 ℃; the temperature of the quenching roller and the water tank is 30-40 ℃ in the casting process; in the longitudinal stretching process, the longitudinal preheating temperature is 90-100 ℃, the longitudinal stretching temperature is 110-115 ℃, the longitudinal setting temperature is 120-125 ℃, and the longitudinal stretching ratio is 3-5 times; in the transverse stretching process, the transverse preheating temperature is 120-130 ℃, the transverse stretching temperature is 130-140 ℃, the transverse setting temperature is 140-155 ℃, and the transverse stretching ratio is 6-8 times.
Specifically, the adhesive is a pressure-sensitive adhesive.
Furthermore, the pressure-sensitive adhesive is also commonly called adhesive sticker, which is called pressure-sensitive adhesive for short, and can be used for better adhesion between the laminating paper and the organic resin film.
Further, the preparation method of the skylight toast bag special for packaging comprises the following steps:
A. cutting, namely cutting the laminating paper and the organic resin film according to actual production requirements;
B. printing, namely printing the laminating paper, wherein the laminating paper is printed by adopting environment-friendly water-based ink, which is also called liquid ink and is mainly prepared by carrying out composite grinding on water-soluble resin, organic pigment, solvent and related auxiliary agents;
C. and (3) bonding, namely putting the pressure-sensitive adhesive into a box gluing machine, heating at the high temperature of 175 ℃, circulating to a glue gun head through a pipeline, and uniformly spraying the glue gun head to a place where edges of bag-making made of two materials, namely laminating paper and an organic resin film, need to be bonded, so as to bond the packaging bag with the skylight and manufacture the skylight toast bag special for packaging.
The invention has the beneficial effects that:
(1) the skylight toast bag special for packaging is made of the laminated paper and the organic resin film, the content can be observed at the skylight position by using the skylight toast bag special for packaging, and the content cannot be seen at the position of the laminated paper, so that the skylight toast bag is convenient to use and suitable for manufacturing various packaging bags;
(2) the PP polypropylene, the degradation master batch and the auxiliary agent are adopted to prepare the organic resin film, and the organic resin film has enough degradation rate, so that the pollution to the environment can be reduced, and the ecological environment is protected;
(3) according to the invention, the pressure-sensitive adhesive is adopted to bond the laminated paper and the organic resin film, and the produced skylight toast bag special for packaging is firm and firm, has large bearing pressure, is not easy to damage and has higher mechanical property.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
The utility model provides a special skylight toast bag of packing, this wrapping bag includes drenches membrane paper and as the organic resin film in skylight, drench membrane paper and organic resin film and adopt the adhesive to bond between, organic resin film is formed by following raw materials according to the part by weight ratio: 90 parts of PP (polypropylene), 2 parts of degradation master batch and 2 parts of auxiliary agent.
Specifically, the density of the PP polypropylene is 0.90-0.92g/cm3The brittle temperature is 63-65 ℃, the melt flow rate is 6.0-6.5g/10min, and the light transmittance is more than or equal to 400 percent.
Specifically, the degradable master batch is an EBP degradable master batch.
Specifically, the auxiliary agent consists of a dispersing agent, a compatilizer, an antioxidant and a crosslinking sensitizer according to the mass ratio of 0.5:1:1: 10.
Specifically, the dispersing agent is polyethylene wax.
Specifically, the compatibilizer is EPDM.
Specifically, the antioxidant is a heat-resistant phenolic compound.
Specifically, the crosslinking sensitizer is trimethylolpropane triacrylate.
Further, the invention relates to a preparation method of the organic resin film, which comprises the following steps:
s1: preparing raw materials according to the components;
s2: mixing PP polypropylene, a dispersing agent, a compatilizer, an antioxidant and a crosslinking sensitizer, and uniformly stirring to obtain a mixture A;
s3: adding the degradation master batch into the mixture A, mixing, and uniformly stirring to obtain a mixture B; then, sequentially carrying out melt extrusion, sheet casting, longitudinal stretching, transverse stretching, traction edge cutting and bag making on the mixture B, wherein the extrusion temperature in the melt extrusion is 180-220 ℃, and the die head temperature is 205-215 ℃; the temperature of the quenching roller and the water tank is 30-40 ℃ in the casting process; in the longitudinal stretching process, the longitudinal preheating temperature is 90-100 ℃, the longitudinal stretching temperature is 110-115 ℃, the longitudinal setting temperature is 120-125 ℃, and the longitudinal stretching ratio is 3-5 times; in the transverse stretching process, the transverse preheating temperature is 120-130 ℃, the transverse stretching temperature is 130-140 ℃, the transverse setting temperature is 140-155 ℃, and the transverse stretching ratio is 6-8 times.
Specifically, the adhesive is a pressure-sensitive adhesive.
Further, the preparation method of the skylight toast bag special for packaging comprises the following steps:
A. cutting, namely cutting the laminating paper and the organic resin film according to actual production requirements;
B. printing, namely printing the laminating paper, wherein the laminating paper is printed by adopting environment-friendly water-based ink, which is also called liquid ink and is mainly prepared by carrying out composite grinding on water-soluble resin, organic pigment, solvent and related auxiliary agents;
C. and (3) bonding, namely putting the pressure-sensitive adhesive into a box gluing machine, heating at the high temperature of 175 ℃, circulating to a glue gun head through a pipeline, and uniformly spraying the glue gun head to a place where edges of bag-making made of two materials, namely laminating paper and an organic resin film, need to be bonded, so as to bond the packaging bag with the skylight and manufacture the skylight toast bag special for packaging.
Example 2
The preparation method of the special skylight toast bag for packaging in the embodiment and the preparation method of the organic resin film are the same as those in the embodiment 1, and are not described herein again, the special skylight toast bag for packaging in the embodiment comprises laminating paper and the organic resin film serving as a skylight, wherein the laminating paper and the organic resin film are bonded by using an adhesive, and the organic resin film is prepared from the following raw materials in parts by weight: 95 parts of PP polypropylene, 8 parts of degradation master batch and 3 parts of auxiliary agent.
Specifically, the density of the PP polypropylene is 0.90-0.92g/cm3The brittle temperature is 63-65 ℃, the melt flow rate is 6.0-6.5g/10min, and the light transmittance is more than or equal to 400 percent.
Specifically, the degradable master batch is an EBP degradable master batch.
Specifically, the auxiliary agent consists of a dispersing agent, a compatilizer, an antioxidant and a crosslinking sensitizer according to the mass ratio of 2.5:6:5: 20.
Specifically, the dispersing agent is polyethylene wax.
Specifically, the compatilizer is SBS.
Specifically, the antioxidant is a heat-resistant phenolic compound.
Specifically, the crosslinking sensitizer is diethylene glycol dimethacrylate.
Example 3
The preparation method of the special skylight toast bag for packaging in the embodiment and the preparation method of the organic resin film are the same as those in the embodiment 1, and are not described herein again, the special skylight toast bag for packaging in the embodiment comprises laminating paper and the organic resin film serving as a skylight, wherein the laminating paper and the organic resin film are bonded by using an adhesive, and the organic resin film is prepared from the following raw materials in parts by weight: 92 parts of PP polypropylene, 5 parts of degradation master batch and 2.2 parts of auxiliary agent.
Specifically, the density of the PP polypropylene is 0.90-0.92g/cm3The brittle temperature is 63-65 ℃, the melt flow rate is 6.0-6.5g/10min, and the light transmittance is more than or equal to 400 percent.
Specifically, the degradable master batch is an EBP degradable master batch.
Specifically, the auxiliary agent comprises a dispersing agent, a compatilizer, an antioxidant and a crosslinking sensitizer according to the mass ratio of 1:2:2: 14.
Specifically, the dispersing agent is polyethylene wax.
Specifically, the compatibilizer is EPDM.
Specifically, the antioxidant is a heat-resistant phenolic compound.
Specifically, the crosslinking sensitizer is diethylene glycol dimethacrylate.
Example 4
The preparation method of the special skylight toast bag for packaging in the embodiment and the preparation method of the organic resin film are the same as those in the embodiment 1, and are not described herein again, the special skylight toast bag for packaging in the embodiment comprises laminating paper and the organic resin film serving as a skylight, wherein the laminating paper and the organic resin film are bonded by using an adhesive, and the organic resin film is prepared from the following raw materials in parts by weight: 94 parts of PP (polypropylene), 7 parts of degradation master batch and 2.8 parts of auxiliary agent.
Specifically, the density of the PP polypropylene is 0.90-0.92g/cm3The brittle temperature is 63-65 ℃, the melt flow rate is 6.0-6.5g/10min, and the light transmittance is more than or equal to 400 percent.
Specifically, the degradable master batch is an EBP degradable master batch.
Specifically, the auxiliary agent consists of a dispersing agent, a compatilizer, an antioxidant and a crosslinking sensitizer according to the mass ratio of 2:5:4: 18.
Specifically, the dispersing agent is polyethylene wax.
Specifically, the compatilizer is SBS.
Specifically, the antioxidant is a heat-resistant phenolic compound.
Specifically, the crosslinking sensitizer is trimethylolpropane triacrylate.
Comparative example 1
The preparation method of the special skylight toast bag for packaging in the embodiment and the preparation method of the organic resin film are the same as those in the embodiment 1, and are not described herein again, the special skylight toast bag for packaging in the embodiment comprises laminating paper and the organic resin film serving as a skylight, wherein the laminating paper and the organic resin film are bonded by using an adhesive, and the organic resin film is prepared from the following raw materials in parts by weight: PP polypropylene 88, 1 part of degradation master batch and 1.5 parts of auxiliary agent.
Specifically, the density of the PP polypropylene is 0.90-0.92g/cm3The brittle temperature is 63-65 ℃, the melt flow rate is 6.0-6.5g/10min, and the light transmittance is more than or equal to 400 percent.
Specifically, the degradable master batch is an EBP degradable master batch.
Specifically, the auxiliary agent consists of a dispersing agent, a compatilizer, an antioxidant and a crosslinking sensitizer according to the mass ratio of 0.3:0.8:0.7: 9.
Specifically, the dispersing agent is polyethylene wax.
Specifically, the compatibilizer is EPDM.
Specifically, the antioxidant is a heat-resistant phenolic compound.
Specifically, the crosslinking sensitizer is trimethylolpropane triacrylate.
Comparative example 2
The preparation method of the special skylight toast bag for packaging in the embodiment and the preparation method of the organic resin film are the same as those in the embodiment 1, and are not described herein again, the special skylight toast bag for packaging in the embodiment comprises laminating paper and the organic resin film serving as a skylight, wherein the laminating paper and the organic resin film are bonded by using an adhesive, and the organic resin film is prepared from the following raw materials in parts by weight: 97 parts of PP (polypropylene), 9 parts of degradation master batch and 4 parts of auxiliary agent.
Specifically, the density of the PP polypropylene is 0.90-0.92g/cm3The brittle temperature is 63-65 ℃, the melt flow rate is 6.0-6.5g/10min, and the light transmittance is more than or equal to 400 percent.
Specifically, the degradable master batch is an EBP degradable master batch.
Specifically, the auxiliary agent consists of a dispersing agent, a compatilizer, an antioxidant and a crosslinking sensitizer according to the mass ratio of 3:7:6: 22.
Specifically, the dispersing agent is polyethylene wax.
Specifically, the compatibilizer is EPDM.
Specifically, the antioxidant is a heat-resistant phenolic compound.
Specifically, the crosslinking sensitizer is trimethylolpropane triacrylate.
Comparative example 3
In this embodiment, the proportion of the organic resin film, the preparation method of the dedicated skylight toast bag for packaging, and the preparation method of the organic resin film are the same as those in embodiment 1, and are not described herein again.
The mechanical properties and degradation rates of the foregoing examples 1 to 4 and comparative examples 1 to 3 were measured, and the results are shown in Table 1 below.
The mechanical property test can be carried out by adopting a plastic universal tester, the degradation rate test refers to two standards GB/T19276.1-2003 and DB 35/343-.
TABLE 1 mechanical Properties of degradable plastics test results
Numbering Tensile Strength (MPa) Elongation at Break (%) Flexural Strength (MPa) Degradation Rate (%)
Comparative example 1 36.8 23.6 64.7 90.4
Comparative example 2 38.5 24.9 66.2 91.9
Comparative example 3 37.3 22.8 65.8 90.7
Comparative example 4 36.1 23.2 65.9 91.5
Example 1 27.4 17.5 48.6 80.2
Example 2 28.5 16.3 47.7 79.6
Example 3 30.2 19.7 52.1 82.9
As can be seen from Table 1, the skylight toast bag special for packaging has good mechanical properties, and meanwhile, has enough degradation rate, reduces the pollution to the environment, and has the degradation rate of more than 90 percent in 3 years.
Finally, the above embodiments are only for illustrating the technical solutions of the present invention and not for limiting, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions may be made to the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered in the claims of the present invention.

Claims (9)

1. The special skylight toast bag for packaging is characterized by comprising laminating paper and an organic resin film serving as a skylight, wherein the laminating paper and the organic resin film are bonded by adopting an adhesive, and the organic resin film is prepared from the following raw materials in parts by weight: 90-95 parts of PP (polypropylene), 2-8 parts of degradation master batch and 2-3 parts of auxiliary agent.
2. The skylight toast bag special for packaging according to claim 1, characterized in that the PP polypropylene has a density of 0.90-0.92g/cm3The brittle temperature is 63-65 ℃, the melt flow rate is 6.0-6.5g/10min, and the light transmittance is more than or equal to 400 percent.
3. The skylight toast bag special for packaging according to claim 1, wherein the degradable master batch is an EBP degradable master batch.
4. The special skylight toast bag for packaging according to claim 1, wherein the auxiliary agent comprises a dispersant, a compatilizer, an antioxidant and a crosslinking sensitizer at a mass ratio of (0.5-2.5): (1-6): 1-5): 10-20.
5. The skylight toast bag for packaging of claim 4, wherein the dispersing agent is polyethylene wax.
6. The skylight toast bag for packaging of claim 4, wherein said compatibilizer is EPDM or SBS.
7. The skylight toast bag special for packaging according to claim 4, characterized in that the antioxidant is a heat-resistant phenolic compound.
8. The skylight toast bag special for packaging according to claim 4, wherein the cross-linking sensitizer is trimethylolpropane triacrylate or diethylene glycol dimethacrylate.
9. The skylight toast bag for packaging of claim 1, wherein said adhesive is a pressure sensitive adhesive.
CN202110226642.3A 2021-03-01 2021-03-01 Special skylight toast bag of packing Pending CN112959772A (en)

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CN104140582A (en) * 2014-07-25 2014-11-12 杨建� Non-starchy light-and bio-degradable plastic transparent master batch and preparation method thereof
CN208150005U (en) * 2017-09-28 2018-11-27 上海界龙永发包装印刷有限公司 Take off window type visualization packing box
CN109265943A (en) * 2012-06-05 2019-01-25 Cj第制糖株式会社 The modified biodegradable polymer blend of bio-rubber
EP3538362A1 (en) * 2016-11-14 2019-09-18 Chroma Paper, LLC Biodegradable reinforced paper packaging material and its manufacturing method

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201180001Y (en) * 2008-01-07 2009-01-14 杭州金杭包装印业有限公司 Paper plastic packing bag with window
CN109265943A (en) * 2012-06-05 2019-01-25 Cj第制糖株式会社 The modified biodegradable polymer blend of bio-rubber
CN104140582A (en) * 2014-07-25 2014-11-12 杨建� Non-starchy light-and bio-degradable plastic transparent master batch and preparation method thereof
EP3538362A1 (en) * 2016-11-14 2019-09-18 Chroma Paper, LLC Biodegradable reinforced paper packaging material and its manufacturing method
CN208150005U (en) * 2017-09-28 2018-11-27 上海界龙永发包装印刷有限公司 Take off window type visualization packing box

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
王建清等: "《包装材料学》", 28 February 2017, 中国轻工业出版社 *

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