CN106758457A - Novel energy-saving environment-friendly full-regeneration coated white cardboard and preparation method thereof - Google Patents
Novel energy-saving environment-friendly full-regeneration coated white cardboard and preparation method thereof Download PDFInfo
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- CN106758457A CN106758457A CN201611184322.1A CN201611184322A CN106758457A CN 106758457 A CN106758457 A CN 106758457A CN 201611184322 A CN201611184322 A CN 201611184322A CN 106758457 A CN106758457 A CN 106758457A
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
- D21C5/02—Working-up waste paper
-
- 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
- B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
- B29C49/071—Preforms or parisons characterised by their configuration, e.g. geometry, dimensions or physical properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29B—PREPARATION OR PRETREATMENT OF THE MATERIAL TO BE SHAPED; MAKING GRANULES OR PREFORMS; RECOVERY OF PLASTICS OR OTHER CONSTITUENTS OF WASTE MATERIAL CONTAINING PLASTICS
- B29B11/00—Making preforms
- B29B11/14—Making preforms characterised by structure or composition
-
- 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
- B32B29/005—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 next to another layer of paper or cardboard layer
-
- 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
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C3/00—Pulping cellulose-containing materials
- D21C3/18—Pulping cellulose-containing materials with halogens or halogen-generating compounds
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
- D21C5/02—Working-up waste paper
- D21C5/025—De-inking
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
- D21H27/30—Multi-ply
-
- 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
- B29C2949/00—Indexing scheme relating to blow-moulding
- B29C2949/07—Preforms or parisons characterised by their configuration
- B29C2949/0715—Preforms or parisons characterised by their configuration the preform having one end closed
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/64—Paper recycling
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Geometry (AREA)
- Manufacturing & Machinery (AREA)
- Fluid Mechanics (AREA)
- Paper (AREA)
Abstract
The invention discloses a novel energy-saving environment-friendly full-regeneration coating ivory board which comprises a surface layer, a core layer and a bottom layer, wherein the surface layer is made of bleached recycled paper pulp A made of high-grade waste paper; the core layer is made of recycled plastic B processed from recycled plastic; the bottom layer is made of bleached recycled pulp C made of ordinary waste paper. The novel energy-saving environment-friendly full-regeneration coated white cardboard provided by the invention adopts recycled waste paper and waste plastics as raw materials, wastes are utilized, the resource utilization rate is effectively improved, the preparation cost is obviously reduced, bamboo and wood resources are saved, the pollution is reduced, the environment is protected, the preparation method is simple, the equipment investment is small, the obtained synthesized white cardboard has good stiffness, can be widely applied to the field of packaging, and is worthy of popularization.
Description
Technical field
The present invention relates to pulp technology for making paper, more particularly to a kind of novel energy-conserving environment-protecting complete-regeneration coating white cardboard and its system
Preparation Method.
Background technology
Paper is a great invention of Ancient Times in China, and the prosperity to ancient Chinese culture provides the basis of material technology,
The life for appearing as the mankind of paper, study bring great convenience.Art post paperboard is a kind of strong abundant, quantitative larger thickness
Paper, it is made up of surface layer, sandwich layer, bottom, and a kind of paper manufactured through multi-roller rolling, paper chromaticness purity is higher, has
More uniform absorbency, there is preferable folding strength.Art post paperboard is a kind of widely used package paper, is mainly used in commodity bundle
Mounted box, commodity list lining, picture wall chart etc..As paper is in the extensive application in the fields such as packaging, demand is increasing, and art post paperboard is made
It is the medium-to-high grade product of coating blank sheet of paper, consumption figure is rising always.But the art post paperboard on domestic market is with the art post paperboard of import
Based on, and domestic production producer is most of using import pulp production, and its production cost is relatively high.In China, waste paper
And the recovery utilization rate of waste plastic is low, environmental pollution is caused to a certain extent, and there is a series of potential safety hazard.
Based on above statement, the present invention proposes a kind of novel energy-conserving environment-protecting complete-regeneration coating white cardboard and preparation method thereof.
The content of the invention
The invention aims to solve shortcoming present in prior art, and a kind of novel energy-saving environment-friendly for proposing is complete
Regeneration coated white cardboard and preparation method thereof.
A kind of novel energy-conserving environment-protecting complete-regeneration coating white cardboard, it is described it is full regeneration coated white cardboard include surface layer, sandwich layer and
Bottom three-decker, wherein the surface layer is made up of the bleach regenerator paper pulp A that senior waste paper is made；The sandwich layer is by recycled plastic
The regenerated plastics B being processed into is made；The bottom is made up of the bleach regenerator paper pulp C that common mixed paper waste is made；
The preparation method of the novel energy-conserving environment-protecting complete-regeneration coating white cardboard, comprises the following steps：
S1, manufacture regenerated paper pulp A：After the senior waste paper for reclaiming is crushed, with containing 1.8~2.5% deinking agents
Water soaks 2~4h, and the consumption of water is 1.5~2.5 times of waste paper amount, after carrying out preliminary deinking, adds 0.04~0.1 times of waste paper amount
Concentration be 2.5~7% chlorine dioxide, be heated to 100~130 DEG C, 0.8~1.2h of thermophilic digestion breaks slurry in boiling, obtains
Bleach regenerator paper pulp A；
S2, manufacture regenerated paper pulp C：By the method in step S1, must be floated after the common mixed paper waste of recovery is carried out into deinking, bleaching
White regenerated paper pulp C；
S3, manufacture regenerated plastics B：Waste plastic is reclaimed, waste plastic is crushed after fragmentating, be 18~35% with concentration
Ethanol water be cleaned by ultrasonic, after cleaning completely using centrifuge impurity elimination, dry, obtain regenerated plastics B；
S4, manufacture paper with pulp obtain respectively using bleach regenerator paper pulp C in the bleach regenerator paper pulp A and step S2 manufactured in step S1
The surface layer and bottom of art post paperboard, in mass ratio 0.2~0.5:1, the regenerated plastics B that will be manufactured in papermaking filler and step S3,
Melt spinning at 155~195 DEG C of high temperature, after being cooled down through cold water, combing overlaps to form sandwich layer；
S5, the in step s 4 top surface of the bottom surface of surface layer, the two sides of sandwich layer and bottom of gained apply adhesive respectively, weight
After folded neat after roll-in drying.
Preferably, the senior waste paper refers mainly to imported waste paper and the domestic high-grade paper, books and periodicals, books, the office use that reclaim
One kind or any combination in paper and engineering paper.
Preferably, the recycled plastic is waste polyethylene, discarded polypropylene, waste polyvinyl chloride and waste polystyrene
In one kind and any combination.
Preferably, the common mixed paper waste be one kind in domestic trimming paper, packing paper, litter decoration and the old newsprint for reclaiming or
Any combination.
Preferably, the deinking agent in the step S1 is AEO or fatty acid methyl ester ethoxylate.
Preferably, whole process is wanted to be passed through oxygen in the digestion process in the step S1.
Preferably, the adhesive in the step S5 is the one kind in polyvinyl alcohol, carboxymethylcellulose calcium, starch and dextrin
Or it is various.
A kind of novel energy-conserving environment-protecting complete-regeneration coating white cardboard proposed by the present invention, respectively to reclaimed waste paper and waste plastic
Processed again, and then the raw material of regeneration coated white cardboard is obtained, twice laid is effectively raised resource utilization, significantly
Reduce preparation cost, saved bamboo and wood resource, reduce pollution, protect environment, the present invention reclaimed waste paper is classified after
Respectively deinking, bleach, the surface layer and bottom of art post paperboard of manufacturing paper with pulp, using waste plastic, melt-out spinning makes art post paperboard from after processing
Sandwich layer, its preparation method is simple, and equipment investment is small, and water consumption is effectively reduced compared to traditional preparation methods, reduce waste water,
The discharge of waste gas, serve economize on resources, the effect of environmental protection, gained synthesis art post paperboard firmness it is good, can be widely applied to
Packaging field, is worthy to be popularized.
Specific embodiment
The present invention is made with reference to specific embodiment further explain.
Embodiment one
A kind of novel energy-conserving environment-protecting complete-regeneration coating white cardboard proposed by the present invention, the full regeneration coated white cardboard includes
Surface layer, sandwich layer and bottom three-decker, wherein the surface layer is made up of the bleach regenerator paper pulp A that senior waste paper is made；The core
The regenerated plastics B that layer is processed into by recycled plastic is made；The bleach regenerator paper pulp C systems that the bottom is made up of common mixed paper waste
Into；
The preparation method of the novel energy-conserving environment-protecting complete-regeneration coating white cardboard, comprises the following steps：
S1, manufacture regenerated paper pulp A：After the senior waste paper for reclaiming is crushed, with containing 2% fatty acid methyl ester ethyoxyl
The water immersion 3h of compound, the consumption of water is 2.5 times of waste paper amount, after carrying out preliminary deinking, adds the concentration of 0.08 times of waste paper amount
It is 5% chlorine dioxide, is heated to 120 DEG C, thermophilic digestion 1h wants whole process to be passed through oxygen in digestion process, slurry is broken in boiling,
Obtain bleach regenerator paper pulp A；
S2, manufacture regenerated paper pulp C：By the method in step S1, must be floated after the common mixed paper waste of recovery is carried out into deinking, bleaching
White regenerated paper pulp C；
S3, manufacture regenerated plastics B：Waste plastic is reclaimed, waste plastic is crushed after fragmentating, with the second that concentration is 20%
Alcohol solution is cleaned by ultrasonic, and using centrifuge impurity elimination, drying after cleaning completely, obtains regenerated plastics B；
S4, manufacture paper with pulp obtain respectively using bleach regenerator paper pulp C in the bleach regenerator paper pulp A and step S2 manufactured in step S1
The surface layer and bottom of art post paperboard, in mass ratio 0.4:1, the regenerated plastics B that will be manufactured in papermaking filler and step S3, in high temperature
Melt spinning at 165 DEG C, after being cooled down through cold water, combing overlaps to form sandwich layer；
S5, the in step s 4 top surface of the bottom surface of surface layer, the two sides of sandwich layer and bottom of gained apply polyvinyl alcohol respectively,
Overlap it is neat after after roll-in drying.
Embodiment two
A kind of novel energy-conserving environment-protecting complete-regeneration coating white cardboard proposed by the present invention, the full regeneration coated white cardboard includes
Surface layer, sandwich layer and bottom three-decker, wherein the surface layer is made up of the bleach regenerator paper pulp A that senior waste paper is made；The core
The regenerated plastics B that layer is processed into by recycled plastic is made；The bleach regenerator paper pulp C systems that the bottom is made up of common mixed paper waste
Into；
The preparation method of the novel energy-conserving environment-protecting complete-regeneration coating white cardboard, comprises the following steps：
S1, manufacture regenerated paper pulp A：After the senior waste paper for reclaiming is crushed, with containing 2.5% aliphatic alcohol polyethenoxy
The water immersion 2h of ether, the consumption of water is 1.5 times of waste paper amount, and after carrying out preliminary deinking, the concentration for adding 0.05 times of waste paper amount is
4% chlorine dioxide, is heated to 100 DEG C, and thermophilic digestion 0.8h wants whole process to be passed through oxygen in digestion process, slurry is broken in boiling,
Obtain bleach regenerator paper pulp A；
S2, manufacture regenerated paper pulp C：By the method in step S1, must be floated after the common mixed paper waste of recovery is carried out into deinking, bleaching
White regenerated paper pulp C；
S3, manufacture regenerated plastics B：Waste plastic is reclaimed, waste plastic is crushed after fragmentating, with the second that concentration is 30%
Alcohol solution is cleaned by ultrasonic, and using centrifuge impurity elimination, drying after cleaning completely, obtains regenerated plastics B；
S4, manufacture paper with pulp obtain respectively using bleach regenerator paper pulp C in the bleach regenerator paper pulp A and step S2 manufactured in step S1
The surface layer and bottom of art post paperboard, in mass ratio 0.3:1, the regenerated plastics B that will be manufactured in papermaking filler and step S3, in high temperature
Melt spinning at 195 DEG C, after being cooled down through cold water, combing overlaps to form sandwich layer；
S5, the in step s 4 top surface of the bottom surface of surface layer, the two sides of sandwich layer and bottom of gained apply dextrin respectively, overlap
After neat after roll-in drying.
Embodiment three
A kind of novel energy-conserving environment-protecting complete-regeneration coating white cardboard proposed by the present invention, the full regeneration coated white cardboard includes
Surface layer, sandwich layer and bottom three-decker, wherein the surface layer is made up of the bleach regenerator paper pulp A that senior waste paper is made；The core
The regenerated plastics B that layer is processed into by recycled plastic is made；The bleach regenerator paper pulp C systems that the bottom is made up of common mixed paper waste
Into；
The preparation method of the novel energy-conserving environment-protecting complete-regeneration coating white cardboard, comprises the following steps：
S1, manufacture regenerated paper pulp A：After the senior waste paper for reclaiming is crushed, with containing 1.8% aliphatic alcohol polyethenoxy
The water immersion 4h of ether, the consumption of water is 2 times of waste paper amount, and after carrying out preliminary deinking, the concentration for adding 0.1 times of waste paper amount is 6%
Chlorine dioxide, be heated to 130 DEG C, thermophilic digestion 1.1h wants whole process to be passed through oxygen in digestion process, slurry is broken in boiling, obtains
Bleach regenerator paper pulp A；
S2, manufacture regenerated paper pulp C：By the method in step S1, must be floated after the common mixed paper waste of recovery is carried out into deinking, bleaching
White regenerated paper pulp C；
S3, manufacture regenerated plastics B：Waste plastic is reclaimed, waste plastic is crushed after fragmentating, with the second that concentration is 35%
Alcohol solution is cleaned by ultrasonic, and using centrifuge impurity elimination, drying after cleaning completely, obtains regenerated plastics B；
S4, manufacture paper with pulp obtain respectively using bleach regenerator paper pulp C in the bleach regenerator paper pulp A and step S2 manufactured in step S1
The surface layer and bottom of art post paperboard, in mass ratio 0.2:1, the regenerated plastics B that will be manufactured in papermaking filler and step S3, in high temperature
Melt spinning at 155 DEG C, after being cooled down through cold water, combing overlaps to form sandwich layer；
S5, the in step s 4 top surface of the bottom surface of surface layer, the two sides of sandwich layer and bottom of gained apply starch respectively, overlap
After neat after roll-in drying.
Example IV
A kind of novel energy-conserving environment-protecting complete-regeneration coating white cardboard proposed by the present invention, the full regeneration coated white cardboard includes
Surface layer, sandwich layer and bottom three-decker, wherein the surface layer is made up of the bleach regenerator paper pulp A that senior waste paper is made；The core
The regenerated plastics B that layer is processed into by recycled plastic is made；The bleach regenerator paper pulp C systems that the bottom is made up of common mixed paper waste
Into；
The preparation method of the novel energy-conserving environment-protecting complete-regeneration coating white cardboard, comprises the following steps：
S1, manufacture regenerated paper pulp A：After the senior waste paper for reclaiming is crushed, with containing 2.2% fatty acid methyl ester ethoxy
The water immersion 3h of glycolylate, the consumption of water is 1.8 times of waste paper amount, after carrying out preliminary deinking, adds the dense of 0.04 times of waste paper amount
The chlorine dioxide for 7% is spent, 110 DEG C are heated to, thermophilic digestion 0.9h wants whole process to be passed through oxygen in digestion process, in boiling
Broken slurry, obtains bleach regenerator paper pulp A；
S2, manufacture regenerated paper pulp C：By the method in step S1, must be floated after the common mixed paper waste of recovery is carried out into deinking, bleaching
White regenerated paper pulp C；
S3, manufacture regenerated plastics B：Waste plastic is reclaimed, waste plastic is crushed after fragmentating, with the second that concentration is 18%
Alcohol solution is cleaned by ultrasonic, and using centrifuge impurity elimination, drying after cleaning completely, obtains regenerated plastics B；
S4, manufacture paper with pulp obtain respectively using bleach regenerator paper pulp C in the bleach regenerator paper pulp A and step S2 manufactured in step S1
The surface layer and bottom of art post paperboard, in mass ratio 0.5:1, the regenerated plastics B that will be manufactured in papermaking filler and step S3, in high temperature
Melt spinning at 175 DEG C, after being cooled down through cold water, combing overlaps to form sandwich layer；
It is fine that S5, the in step s 4 top surface of the bottom surface of surface layer, the two sides of sandwich layer and bottom of gained apply carboxymethyl respectively
Dimension element, overlap it is neat after after roll-in drying.
Embodiment five
A kind of novel energy-conserving environment-protecting complete-regeneration coating white cardboard proposed by the present invention, the full regeneration coated white cardboard includes
Surface layer, sandwich layer and bottom three-decker, wherein the surface layer is made up of the bleach regenerator paper pulp A that senior waste paper is made；The core
The regenerated plastics B that layer is processed into by recycled plastic is made；The bleach regenerator paper pulp C systems that the bottom is made up of common mixed paper waste
Into；
The preparation method of the novel energy-conserving environment-protecting complete-regeneration coating white cardboard, comprises the following steps：
S1, manufacture regenerated paper pulp A：After the senior waste paper for reclaiming is crushed, with containing 2.4% fatty acid methyl ester ethoxy
The water immersion 2h of glycolylate, the consumption of water is 2.2 times of waste paper amount, after carrying out preliminary deinking, adds the dense of 0.06 times of waste paper amount
The chlorine dioxide for 3% is spent, 115 DEG C are heated to, thermophilic digestion 1.2h wants whole process to be passed through oxygen in digestion process, in boiling
Broken slurry, obtains bleach regenerator paper pulp A；
S2, manufacture regenerated paper pulp C：By the method in step S1, must be floated after the common mixed paper waste of recovery is carried out into deinking, bleaching
White regenerated paper pulp C；
S3, manufacture regenerated plastics B：Waste plastic is reclaimed, waste plastic is crushed after fragmentating, with the second that concentration is 25%
Alcohol solution is cleaned by ultrasonic, and using centrifuge impurity elimination, drying after cleaning completely, obtains regenerated plastics B；
S4, manufacture paper with pulp obtain respectively using bleach regenerator paper pulp C in the bleach regenerator paper pulp A and step S2 manufactured in step S1
The surface layer and bottom of art post paperboard, in mass ratio 0.3:1, the regenerated plastics B that will be manufactured in papermaking filler and step S3, in high temperature
Melt spinning at 185 DEG C, after being cooled down through cold water, combing overlaps to form sandwich layer；
It is fine that S5, the in step s 4 top surface of the bottom surface of surface layer, the two sides of sandwich layer and bottom of gained apply carboxymethyl respectively
Dimension element, overlap it is neat after after roll-in drying.
The performance of the novel energy-conserving environment-protecting complete-regeneration coating white cardboard for being prepared in the test embodiment of the present invention one~five respectively,
Draw following result：
| Embodiment | One | Two | Three | Four | Five |
| Thickness (μm) | 300 | 300 | 300 | 300 | 300 |
| Bond strength (J/m2) | 168 | 179 | 175 | 182 | 170 |
| Bursting strength (KPa) | 873 | 925 | 964 | 938 | 955 |
The above, the only present invention preferably specific embodiment, but protection scope of the present invention is not limited thereto,
Any one skilled in the art the invention discloses technical scope in, technology according to the present invention scheme and its
Inventive concept is subject to equivalent or change, should all be included within the scope of the present invention.
Claims (7)
1. a kind of novel energy-conserving environment-protecting complete-regeneration coating white cardboard, it is characterised in that the full regeneration coated white cardboard includes face
Layer, sandwich layer and bottom three-decker, wherein the surface layer is made up of the bleach regenerator paper pulp A that senior waste paper is made；The sandwich layer
The regenerated plastics B being processed into by recycled plastic is made；The bottom is made up of the bleach regenerator paper pulp C that common mixed paper waste is made；
The preparation method of the novel energy-conserving environment-protecting complete-regeneration coating white cardboard, comprises the following steps：
S1, manufacture regenerated paper pulp A：After the senior waste paper for reclaiming is crushed, with the water logging containing 1.8~2.5% deinking agents
2~4h of bubble, the consumption of water is 1.5~2.5 times of waste paper amount, after carrying out preliminary deinking, adds the dense of 0.04~0.1 times of waste paper amount
The chlorine dioxide for 2.5~7% is spent, 100~130 DEG C are heated to, 0.8~1.2h of thermophilic digestion breaks slurry in boiling, must bleach
Regenerated paper pulp A；
S2, manufacture regenerated paper pulp C：By the method in step S1, must be bleached again after the common mixed paper waste of recovery is carried out into deinking, bleaching
Raw pulp C；
S3, manufacture regenerated plastics B：Waste plastic is reclaimed, waste plastic is crushed after fragmentating, with the second that concentration is 18~35%
Alcohol solution is cleaned by ultrasonic, and using centrifuge impurity elimination, drying after cleaning completely, obtains regenerated plastics B；
S4, manufacture paper with pulp obtain white card respectively using bleach regenerator paper pulp C in the bleach regenerator paper pulp A and step S2 manufactured in step S1
The surface layer and bottom of paper, in mass ratio 0.2~0.5:1, the regenerated plastics B that will be manufactured in papermaking filler and step S3, in high temperature
Melt spinning at 155~195 DEG C, after being cooled down through cold water, combing overlaps to form sandwich layer；
S5, the in step s 4 top surface of the bottom surface of surface layer, the two sides of sandwich layer and bottom of gained apply adhesive respectively, overlap whole
After neat after roll-in drying.
2. a kind of novel energy-conserving environment-protecting complete-regeneration coating white cardboard according to claim 1, it is characterised in that described senior
Waste paper refers mainly to the one kind in domestic high-grade paper, books and periodicals, books, paper in the office and the engineering paper of imported waste paper and recovery or appoints
Meaning combination.
3. a kind of novel energy-conserving environment-protecting complete-regeneration coating white cardboard according to claim 1, it is characterised in that the recovery
Plastics are the one kind and any combination in waste polyethylene, discarded polypropylene, waste polyvinyl chloride and waste polystyrene.
4. a kind of novel energy-conserving environment-protecting complete-regeneration coating white cardboard according to claim 1, it is characterised in that described common
Waste paper is the one kind or any combination in domestic trimming paper, packing paper, litter decoration and the old newsprint for reclaiming.
5. a kind of novel energy-conserving environment-protecting complete-regeneration coating white cardboard according to claim 1, it is characterised in that the step
Deinking agent in S1 is AEO or fatty acid methyl ester ethoxylate.
6. a kind of novel energy-conserving environment-protecting complete-regeneration coating white cardboard according to claim 1, it is characterised in that the step
Whole process is wanted to be passed through oxygen in digestion process in S1.
7. a kind of novel energy-conserving environment-protecting complete-regeneration coating white cardboard according to claim 1, it is characterised in that the step
Adhesive in S5 is one or more in polyvinyl alcohol, carboxymethylcellulose calcium, starch and dextrin.
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| CN201611184322.1A CN106758457B (en) | 2016-12-20 | 2016-12-20 | Energy-saving environment-friendly full-regeneration coated white cardboard and preparation method thereof |
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| CN201611184322.1A CN106758457B (en) | 2016-12-20 | 2016-12-20 | Energy-saving environment-friendly full-regeneration coated white cardboard and preparation method thereof |
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| CN106758457A true CN106758457A (en) | 2017-05-31 |
| CN106758457B CN106758457B (en) | 2018-10-19 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111676737A (en) * | 2020-06-19 | 2020-09-18 | 湖北骏马纸业有限公司 | White cardboard and production process thereof |
| CN112359650A (en) * | 2020-10-16 | 2021-02-12 | 浙江高度环保科技有限公司 | Polymer composite paperboard and production equipment thereof |
Citations (5)
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| CN111676737A (en) * | 2020-06-19 | 2020-09-18 | 湖北骏马纸业有限公司 | White cardboard and production process thereof |
| CN111676737B (en) * | 2020-06-19 | 2022-06-21 | 湖北骏马纸业有限公司 | White cardboard and production process thereof |
| CN112359650A (en) * | 2020-10-16 | 2021-02-12 | 浙江高度环保科技有限公司 | Polymer composite paperboard and production equipment thereof |
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| CN106758457B (en) | 2018-10-19 |
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