CN110451066A - Environment-friendly type paper plastic combined package bag and preparation method thereof - Google Patents

Environment-friendly type paper plastic combined package bag and preparation method thereof Download PDF

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Publication number
CN110451066A
CN110451066A CN201910720251.XA CN201910720251A CN110451066A CN 110451066 A CN110451066 A CN 110451066A CN 201910720251 A CN201910720251 A CN 201910720251A CN 110451066 A CN110451066 A CN 110451066A
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China
Prior art keywords
parts
environment
paper
layer
friendly type
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Pending
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CN201910720251.XA
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Chinese (zh)
Inventor
赖开展
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.)
Anhui Huarui Packaging Co Ltd
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Anhui Huarui Packaging Co Ltd
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Priority to CN201910720251.XA priority Critical patent/CN110451066A/en
Publication of CN110451066A publication Critical patent/CN110451066A/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C41/00—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor
    • B29C41/24—Shaping by coating a mould, core or other substrate, i.e. by depositing material and stripping-off the shaped article; Apparatus therefor for making articles of indefinite length
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • 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
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/30—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers
    • B32B27/308—Layered products comprising a layer of synthetic resin comprising vinyl (co)polymers; comprising acrylic (co)polymers comprising acrylic (co)polymers
    • 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
    • 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
    • B32B37/06—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the heating method
    • 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
    • B32B37/10—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by the pressing technique, e.g. using action of vacuum or fluid pressure
    • 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
    • B32B37/12—Methods or apparatus for laminating, e.g. by curing or by ultrasonic bonding characterised by using adhesives
    • B32B37/1284—Application of adhesive
    • 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
    • B32B7/08—Interconnection of layers by mechanical means
    • 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
    • B65D31/00—Bags or like containers made of paper and having structural provision for thickness of contents
    • B65D31/02—Bags or like containers made of paper and having structural provision for thickness of contents with laminated walls
    • 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
    • B65D33/00—Details of, or accessories for, sacks or bags
    • 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
    • C08J2333/00—Characterised by the use of homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Derivatives of such polymers
    • 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
    • C08J2461/00—Characterised by the use of condensation polymers of aldehydes or ketones; Derivatives of such polymers
    • C08J2461/20—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
    • 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
    • C08K13/00—Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
    • C08K13/04—Ingredients characterised by their shape and organic or inorganic ingredients
    • 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
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/34—Silicon-containing compounds
    • C08K3/346—Clay
    • 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
    • C08K5/00—Use of organic ingredients
    • C08K5/54—Silicon-containing compounds
    • C08K5/541—Silicon-containing compounds containing oxygen
    • C08K5/5425—Silicon-containing compounds containing oxygen containing at least one C=C bond
    • 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
    • C08K7/00—Use of ingredients characterised by shape
    • C08K7/22—Expanded, porous or hollow particles
    • C08K7/24—Expanded, porous or hollow particles inorganic
    • C08K7/28—Glass

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Materials Engineering (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

The present invention provides a kind of environment-friendly type paper plastic combined package bags and preparation method thereof, the material for preparing of the environment-friendly type paper plastic combined package bag includes paper layer and plastic layer, the plastic layer comprises the following components in parts by weight: 80-100 parts of water-based acrylic resin, 40-60 parts of hollow glass microballoon, 5-15 parts of expandable microspheres, 1-3 parts of silane coupling agent, 8-12 parts of sodium-based montmorillonite, 0.5-1.5 parts of poly hexamethylene biguanide, 3-8 parts of amino resins.The plastic layer of preparation and paper layer are compounded to form compound paper layer, are reprocessed into environment-friendly type paper plastic combined package bag, processing technology is simple.And the environment-friendly type paper plastic combined package bag is at low cost, intensity is high, and impact resistance is nontoxic, and tasteless, waterproof and dampproof, market prospects are very considerable.

Description

Environment-friendly type paper plastic combined package bag and preparation method thereof
Technical field:
The present invention relates to packaging bag technical field more particularly to a kind of environment-friendly type paper plastic combined package bag and its production sides Method.
Background technique:
With high cost industrial develop the epoch arrival, the developing direction of Chinese packaging industry from now on will with green package, Packaging waste comprehensive utilization is as the following all-round developing major drive of packaging industry.
Existing packaging bag is widely used for many fields, and the material of Traditional Packing bag is mainly plastic packaging bag, with The enhancing of people's environmental consciousness, more and more paper packaging bags occur in people's lives, but paper packaging bags intensity It is poor, not impact resistance, and be easily broken, antifouling capacity is poor, the needs not being able to satisfy in people's daily life and industrial production.
Summary of the invention:
The purpose of the present invention is in view of the drawbacks of the prior art, provide a kind of environment-friendly type paper for being able to solve the above problem Combined package bag and preparation method thereof.
Realizing the technical solution of the object of the invention is: a kind of environment-friendly type paper plastic combined package bag, preparing material includes paper Matter layer and plastic layer, the plastic layer comprise the following components in parts by weight:
80-100 parts of water-based acrylic resin, 40-60 parts of hollow glass microballoon, 5-15 parts of expandable microspheres, silane coupling agent 1-3 parts, 8-12 parts of sodium-based montmorillonite, 0.5-1.5 parts of poly hexamethylene biguanide, 3-8 parts of amino resins.
In a preferred embodiment of the present invention, the plastic layer is comprised the following components in parts by weight:
100 parts of water-based acrylic resin, 50 parts of hollow glass microballoon, 10 parts of expandable microspheres, 2 parts of silane coupling agent, sodium base 10 parts of montmorillonite, 1 part of poly hexamethylene biguanide, 5 parts of amino resins.
Preferably, the silane coupling agent is vinyltriethoxysilane or vinyltrimethoxysilane.
Preferably, the glass transition temperature of the water-based acrylic resin is 60-120 DEG C.
Preferably, the hollow glass microballoon partial size is 30-100 μm.
Preferably, the expandable microspheres initial particle be 10-30 μm, 40-100 times of expansion rate, expansion temperature 120-150 ℃。
Preferably, the paper layer is brown paper or leaching membrane paper.
The present invention also provides a kind of production methods of environment-friendly type paper plastic combined package bag, include the following steps:
(1) will quantitative water-based acrylic resin, hollow glass microballoon, expandable microspheres, silane coupling agent, sodium-based montmorillonite, Poly hexamethylene biguanide, amino resins are added in agitator, are stirred evenly with the speed of 200-210r/min, obtain acrylic acid tree Rouge liquid；
(2) acrylic resin liquid is uniformly coated on PET release film by coating machine, dry 5min, makes at 150 DEG C Acrylic resin liquid is solidified into plastic layer, removes PET release film after plastic layer is cooling；
(3) plastic layer after molding is combined in paper layer, by glue spreader in paper layer gluing, then pass through heat Pressure roller, which presses to plastic layer in paper layer, to carry out compound, obtains compound paper layer；
(4) compound paper layer is first subjected to heat seal edge sealing processing, cold pressing sizing then is carried out to edge sealing again, then by extrusion coating paper It moulds layer to cut along edge sealing, obtains single paper-plastic packing bag, complete processing.
The beneficial effects of the present invention are: the environment-friendly type paper plastic combined package bag is at low cost, intensity is high, and impact resistance is nontoxic, nothing Taste, waterproof and dampproof, in addition, the plastic layer of environment-friendly type paper plastic combined package bag of the present invention is selected, wetability is excellent and cost is relatively low Water-based acrylic resin as binding material, increase silane coupling agent and sodium-based montmorillonite to improve compatibility and binding strength, And by filling hollow glass microballoon and expandable polymer microballoon reduced on the basis of guaranteeing mechanical property weight, raising it is soft Toughness, good heat-insulation effect, are a kind of best green materials for substituting existing paper plastic combined package bag plastic layer, and product is additional Value is high, and the recyclable reprocessing of product utilizes, and market prospects are very considerable.
Specific embodiment:
The preferred embodiments of the present invention will be described in detail below, so that advantages and features of the invention can be easier to by this Field personnel understanding, so as to make a clearer definition of the protection scope of the present invention.
Embodiment 1
A kind of environment-friendly type paper plastic combined package bag, preparing material includes paper layer and plastic layer, and the plastic layer is by such as Lower parts by weight at being grouped as:
100 parts of water-based acrylic resin, 50 parts of hollow glass microballoon, 10 parts of expandable microspheres, vinyltriethoxysilane 2 Part, 10 parts of sodium-based montmorillonite, 1 part of poly hexamethylene biguanide, 5 parts of amino resins.
Wherein, the glass transition temperature of the water-based acrylic resin is 60-120 DEG C, the hollow glass microballoon grain Diameter is about 30-100 μm, and the expandable microspheres initial particle is about 10-30 μm, and about 40-100 times of expansion rate, expansion temperature 120- 150℃。
Embodiment 2
A kind of environment-friendly type paper plastic combined package bag, preparing material includes paper layer and plastic layer, and the plastic layer is by such as Lower parts by weight at being grouped as:
80 parts of water-based acrylic resin, 40 parts of hollow glass microballoon, 5 parts of expandable microspheres, vinyltrimethoxysilane 1 Part, 8 parts of sodium-based montmorillonite, 0.5 part of poly hexamethylene biguanide, 3 parts of amino resins.
Other conditions are the same as embodiment 1.
Embodiment 3
A kind of environment-friendly type paper plastic combined package bag, preparing material includes paper layer and plastic layer, and the plastic layer is by such as Lower parts by weight at being grouped as:
80 parts of water-based acrylic resin, 60 parts of hollow glass microballoon, 15 parts of expandable microspheres, vinyltriethoxysilane 3 Part, 12 parts of sodium-based montmorillonite, 1 part of poly hexamethylene biguanide, 5 parts of amino resins.
Other conditions are the same as embodiment 1.
Embodiment 4
A kind of environment-friendly type paper plastic combined package bag, preparing material includes paper layer and plastic layer, and the plastic layer is by such as Lower parts by weight at being grouped as:
100 parts of water-based acrylic resin, 40 parts of hollow glass microballoon, 5 parts of expandable microspheres, vinyltriethoxysilane 1 Part, 10 parts of sodium-based montmorillonite, 1.5 parts of poly hexamethylene biguanide, 8 parts of amino resins.
Other conditions are the same as embodiment 1.
The production method of the environment-friendly type paper plastic combined package bag of the various embodiments described above, includes the following steps:
(1) will quantitative water-based acrylic resin, hollow glass microballoon, expandable microspheres, silane coupling agent, sodium-based montmorillonite, Poly hexamethylene biguanide, amino resins are added in agitator, are stirred evenly with the speed of 200-210r/min, obtain acrylic acid tree Rouge liquid；
(2) acrylic resin liquid is uniformly coated on PET release film by coating machine, dry 5min, makes at 150 DEG C Acrylic resin liquid is solidified into plastic layer, removes PET release film after plastic layer is cooling (PET release film can be recycled).
(3) plastic layer after molding is combined in paper layer, by glue spreader in paper layer gluing, then pass through heat Pressure roller, which presses to plastic layer in paper layer, to carry out compound, obtains compound paper layer；
(4) compound paper layer is first subjected to heat seal edge sealing processing, cold pressing sizing then is carried out to edge sealing again, then by extrusion coating paper It moulds layer to cut along edge sealing, obtains single paper-plastic packing bag, complete processing.
Wherein, the paper layer is brown paper or leaching membrane paper.
Test and evaluate by the following method the performance of environment-friendly type paper plastic combined package bag plastic layer of the present invention, embodiment 1- See Table 1 for details for 4 every test results.
(1) thermal coefficient
The thermal coefficient is tested using by ASTM-E2584.
(2) tensile strength
The tensile strength and elongation at break are tested using ASTM-D638-91, Sample Width 10mm, length 100mm, rate of extension 300mm/min.
(3) real density
The real density is tested using GB/T 1033.
Table 1
The embodiments described above only express several embodiments of the present invention, and the description thereof is more specific and detailed, but simultaneously It cannot therefore be construed as limiting the scope of the patent.It should be pointed out that coming for those of ordinary skill in the art It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to protection of the invention Range.

Claims (8)

1. a kind of environment-friendly type paper plastic combined package bag, preparing material includes paper layer and plastic layer, which is characterized in that the modeling The bed of material comprises the following components in parts by weight:
80-100 parts of water-based acrylic resin, 40-60 parts of hollow glass microballoon, 5-15 parts of expandable microspheres, silane coupling agent 1-3 Part, 8-12 parts of sodium-based montmorillonite, 0.5-1.5 parts of poly hexamethylene biguanide, 3-8 parts of amino resins.
2. environment-friendly type paper plastic combined package bag according to claim 1, which is characterized in that the plastic layer is by following weight Part at being grouped as:
100 parts of water-based acrylic resin, 50 parts of hollow glass microballoon, 10 parts of expandable microspheres, 2 parts of silane coupling agent, sodium Ji Mengtuo 10 parts, 1 part of poly hexamethylene biguanide, 5 parts of amino resins of soil.
3. environment-friendly type paper plastic combined package bag according to claim 1, which is characterized in that the silane coupling agent is ethylene Ethyl triethoxy silicane alkane or vinyltrimethoxysilane.
4. environment-friendly type paper plastic combined package bag according to claim 1, feature exist, the glass of the water-based acrylic resin Glass transition temperature is 60-120 DEG C.
5. environment-friendly type paper plastic combined package bag according to claim 1, which is characterized in that the hollow glass microballoon partial size It is 30-100 μm.
6. environment-friendly type paper plastic combined package bag according to claim 1, which is characterized in that the expandable microspheres initial particle It is 10-30 μm, 40-100 times of expansion rate, 120-150 DEG C of expansion temperature.
7. environment-friendly type paper plastic combined package bag according to claim 1, which is characterized in that the paper layer be brown paper or Leaching membrane paper.
8. a kind of production method of environment-friendly type paper plastic combined package bag as claimed in claim 1, which is characterized in that packet Include following steps:
It (1) will quantitative water-based acrylic resin, hollow glass microballoon, expandable microspheres, silane coupling agent, sodium-based montmorillonite, poly- six Methylene biguanides, amino resins are added in agitator, are stirred evenly with the speed of 200-210r/min, obtain acrylic resin Liquid；
(2) acrylic resin liquid is uniformly coated on PET release film by coating machine, dry 5min, makes propylene at 150 DEG C Acid resin liquid is solidified into plastic layer, removes PET release film after plastic layer is cooling；
(3) plastic layer after molding is combined in paper layer, by glue spreader in paper layer gluing, then pass through hot-pressing roller Plastic layer is pressed in paper layer and carries out compound, obtains compound paper layer；
(4) compound paper layer is first subjected to heat seal edge sealing processing, cold pressing sizing then is carried out to edge sealing again, then by compound paper layer It is cut along edge sealing, obtains single paper-plastic packing bag, complete processing.
CN201910720251.XA 2019-08-05 2019-08-05 Environment-friendly type paper plastic combined package bag and preparation method thereof Pending CN110451066A (en)

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103240831A (en) * 2013-04-13 2013-08-14 福建爱贝思新材料科技有限公司 Integrated production technology and production equipment of environment-friendly thermoplastic resin films
CN104105723A (en) * 2011-12-22 2014-10-15 3M创新有限公司 Thermoformable crosslinked acrylic
CN104909034A (en) * 2015-06-01 2015-09-16 铜陵方正塑业科技有限公司 Wear-resistant paper-plastic composite bag and preparation method for same
CN106966683A (en) * 2017-03-29 2017-07-21 合肥天沃能源科技有限公司 It is a kind of for energy-saving coatings of glass and preparation method thereof
CN109438854A (en) * 2018-11-12 2019-03-08 南通壹选工业设计有限公司 A kind of polypropylene anti-bacterial plastic and preparation method thereof

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104105723A (en) * 2011-12-22 2014-10-15 3M创新有限公司 Thermoformable crosslinked acrylic
CN103240831A (en) * 2013-04-13 2013-08-14 福建爱贝思新材料科技有限公司 Integrated production technology and production equipment of environment-friendly thermoplastic resin films
CN104909034A (en) * 2015-06-01 2015-09-16 铜陵方正塑业科技有限公司 Wear-resistant paper-plastic composite bag and preparation method for same
CN106966683A (en) * 2017-03-29 2017-07-21 合肥天沃能源科技有限公司 It is a kind of for energy-saving coatings of glass and preparation method thereof
CN109438854A (en) * 2018-11-12 2019-03-08 南通壹选工业设计有限公司 A kind of polypropylene anti-bacterial plastic and preparation method thereof

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Application publication date: 20191115

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