CN111361219A - High-pressure-resistant strength carton - Google Patents

High-pressure-resistant strength carton Download PDF

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Publication number
CN111361219A
CN111361219A CN202010187896.4A CN202010187896A CN111361219A CN 111361219 A CN111361219 A CN 111361219A CN 202010187896 A CN202010187896 A CN 202010187896A CN 111361219 A CN111361219 A CN 111361219A
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China
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strength
pulp
box body
corrugated paper
carton
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CN202010187896.4A
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Chinese (zh)
Inventor
洪宇红
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Pujiang Hongsong Packaging Co ltd
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Pujiang Hongsong Packaging Co ltd
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Priority to CN202010187896.4A priority Critical patent/CN111361219A/en
Publication of CN111361219A publication Critical patent/CN111361219A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
    • B31F1/00—Mechanical deformation without removing material, e.g. in combination with laminating
    • B31F1/20—Corrugating; Corrugating combined with laminating to other layers
    • 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
    • B65D13/00—Containers having bodies formed by interconnecting two or more rigid, or substantially rigid, components made wholly or mainly of the same material, other than metal, plastics, wood, or substitutes therefor
    • B65D13/04—Containers having bodies formed by interconnecting two or more rigid, or substantially rigid, components made wholly or mainly of the same material, other than metal, plastics, wood, or substitutes therefor of paper
    • 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
    • D21C3/02—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes
    • 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
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/20—Macromolecular organic compounds
    • D21H17/21—Macromolecular organic compounds of natural origin; Derivatives thereof
    • 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
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/20—Macromolecular organic compounds
    • D21H17/33—Synthetic macromolecular compounds
    • D21H17/46—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • 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
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/63—Inorganic compounds
    • D21H17/67—Water-insoluble compounds, e.g. fillers, pigments
    • D21H17/68—Water-insoluble compounds, e.g. fillers, pigments siliceous, e.g. clays
    • 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
    • D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
    • D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
    • D21H21/16—Sizing or water-repelling agents
    • 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
    • Y02W90/00—Enabling technologies or technologies with a potential or indirect contribution to greenhouse gas [GHG] emissions mitigation
    • Y02W90/10—Bio-packaging, e.g. packing containers made from renewable resources or bio-plastics

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Dispersion Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Cartons (AREA)

Abstract

The invention relates to the field of paper products, in particular to a high-pressure-resistant strength carton; the high compressive strength carton comprises: the high-pressure-strength-resistant carton adopts the supporting structure on the vertical surface of the carton, so that the bearing capacity of the carton in the vertical direction is enhanced, and the bearing strength of the carton in the vertical direction is further enhanced by using the high-strength corrugated paper with the V-shaped paper core structure; and the corrugated paper is formed by bonding a high-strength resin adhesive, so that the strength of the paper board can be further improved.

Description

High-pressure-resistant strength carton
Technical Field
The invention relates to the field of paper products, in particular to a high-pressure-resistant strength carton.
Background
The steady development of the carton packaging industry determines the development of the subsidiary industry, and the continuous innovation requirement on the carton packaging is the requirement on a series of auxiliary products for the carton packaging.
201680067376.1 provides a carton for packaging one or more articles comprising: a plurality of walls for forming a tubular structure, the plurality of walls comprising: a first side wall; a second side wall; a front wall; and a rear wall. A cover portion is provided for closing the first end of the tubular structure. The cover is hingedly connected to a first one of the plurality of walls. The cover portion comprises an end closure panel for closing the first end; a lid front wall; a first cover side wall; a second cover side wall. The cover front wall, the first cover side wall, and the second cover side wall are configured to receive a portion of the other of the plurality of walls closest to the first end. The cover portion is configured to be foldable into a flat folded form.
201610437484.5 relates to a moisture resistant carton, characterized in that it comprises: the box body, the supporting legs, the dry layer and the protection cover mechanism, the supporting legs sets up a plurality ofly, and the interval sets up respectively the lower surface of box, the dry layer sets up in the intermediate layer between box medial surface and the lateral surface, the protection cover mechanism sets up on the lateral surface of box, and can follow the circumference direction of box expandes, thereby will the lateral surface parcel of box gets up. The moisture-proof carton overcomes the problems that the prior art has poor moisture resistance, the carton is easy to soften in the environment of moisture or rain and the like, and moisture can enter the interior of the carton to cause damage to carried articles.
201780046952.9 discloses a carton, comprising: a central sleeve; a top cover; and a bottom tray, the central sleeve having two pairs of parallel sides connected by four chamfers forming an irregular octagonal structure, each of the two opposing sides of the central sleeve having a tab at their edge to engage a slot on the inner surface of the bottom tray.
The cartons provided by the above techniques and prior patents suffer from a lack of strength, often resulting in a limited layer height (6-8 layers) when the products are stacked, which wastes storage space.
Disclosure of Invention
To solve the above problems, the present invention provides a carton resistant to high compressive strength.
A high compressive strength carton, comprising: the box body is divided into a vertical surface and a parallel surface; the vertical surface is a bearing surface which plays a role in weighing when the box carrying bodies are stacked, and the internal support structure is arranged on the bearing surface in the box body and can assist the box body in bearing; the reinforcing layer is arranged in the interlayer of the parallel surface of the box body; the vertical surface of the box body is required to be kept in a vertical state when the box body is stacked; the corrugated paper box is characterized in that the box body and the inner supporting structure are made of high-strength corrugated paper.
The high-strength corrugated paper is processed according to the following method:
soaking 5-18 parts of straw fiber in 0.01-0.2mol/L sodium hydroxide solution for 30-45min, taking out, air drying, and cutting into 3-10mm length plant fiber; then mixing millstone mechanical pulp hardwood pulp and softwood pulp according to the ratio of 1: 1.4-4, controlling the mass concentration of the wood pulp to be 48-62% pulp, then adding 5.4-8.6 parts of talcum powder and 3.6-9.7 parts of diatomite into 100-150 parts of wood pulp, and uniformly stirring to prepare mixed pulp; and then controlling the temperature to be 50-75 ℃, adding 4-8 parts of 1-5% guar gum solution and 1-5 parts of 0.5-4% epichlorohydrin-3, 3-imino dipropylamine polymer solution, mixing, adding plant fibers into the pulp, stirring for 20-40min to prepare corrugated paper pulp, then conveying the corrugated paper pulp into a paper machine for dehydration and papermaking, coating a high-strength resin adhesive on the surface of the corrugated paper pulp, and preparing the high-strength corrugated paper.
The preparation method of the high-strength resin adhesive comprises the following steps:
adding 15-35 parts by mass of polyvinyl alcohol and 500 parts by mass of water with the addition of 300-one additives into a reaction kettle, heating to 70-80 ℃, uniformly stirring and mixing, then cooling to 40-50 ℃, adding 7-14 parts by mass of rosin maleic anhydride ester, 12-17 parts by mass of pentadecene zinc tricarboxylate, 5-10 parts by mass of allyl dichlorosilane and 0.5-2.5 parts by mass of benzoyl peroxide, uniformly stirring and mixing, controlling the temperature to be 75-85 ℃, carrying out heat preservation reaction for 60-150min, then adding 0.05-0.3 part by mass of chloroplatinic acid, 0.05-0.6 part by mass of tetraallyltin and 0.1-1 part by mass of octafluoroalkyl allyl ether, controlling the temperature to be 50-70 ℃, stirring for 30-90 min, and discharging after the reaction is finished to obtain the high-strength resin adhesive.
The vertical surface of the box body uses high-strength corrugated paper comprising an upper layer, a lower layer and a middle V-shaped paper core.
The folds of the V-shaped paper core are radially towards the vertical direction of the carton.
According to the high-pressure-strength-resistant carton, the supporting structure is adopted on the vertical surface of the carton, the bearing capacity of the carton in the vertical direction is enhanced, and the high-strength corrugated paper with the V-shaped paper core structure is used, so that the bearing strength of the carton in the vertical direction is further enhanced; and the corrugated paper is formed by bonding a high-strength resin adhesive, so that the strength of the paper board is further improved.
The high-strength resin adhesive is prepared by copolymerizing maleic anhydride rosin ester, zinc pentadecene tricarboxylate and allyl dichlorosilane under the action of an initiator to generate a high-viscosity polymer, and then performing hydrosilylation reaction on a dichlorosilane group of the polymer and double bonds of tetraallyltin and octafluoroalkyl allyl ether under the catalysis of chloroplatinic acid, so that the obtained resin adhesive is hydrophobic, oil-resistant and can not fall off after long-term use, the edge pressure strength of the prepared high-strength corrugated board can reach 1305N/m, and the flat pressure strength of the prepared high-strength corrugated board is 1603N/m2。
Drawings
FIG. 1 is a Fourier infrared spectrum of a sample of the high strength resin adhesive of example 2.
Detailed Description
The invention is further illustrated by the following specific examples:
according to the national standard GB 6546-86 determination of the edge crush strength of corrugated boards, the sample size is as follows: the corrugated direction of (25 plus or minus 0.5) mm (100 plus or minus 1) mm is the same as the direction of the short side; according to the national standard GB/T22874-2008 determination of the flat-pressing strength of corrugated boards, a flat-pressing sampling instrument is utilized to cut 32.2cm2The round cardboard of (2) was subjected to a flat crush strength test.
Example 1
A high compressive strength carton, comprising: the box body is divided into a vertical surface and a parallel surface; the vertical surface is a bearing surface which plays a role in weighing when the box carrying bodies are stacked, and the internal support structure is arranged on the bearing surface in the box body and can assist the box body in bearing; the reinforcing layer is arranged in the interlayer of the parallel surface of the box body; the vertical surface of the box body is required to be kept in a vertical state when the box body is stacked; the corrugated paper box is characterized in that the box body and the inner supporting structure are made of high-strength corrugated paper.
The high-strength corrugated paper is processed according to the following method:
soaking 5kg of straw fiber in 0.01mol/L sodium hydroxide solution for 30min, taking out, air drying, and cutting into 3mm length plant fiber; then mixing millstone mechanical pulp hardwood pulp and softwood pulp according to the ratio of 1: 1.4, controlling the mass concentration of the wood pulp to be 48% pulp, then adding 5.4kg of talcum powder and 3.6kg of diatomite into 100kg of wood pulp, and uniformly stirring to prepare mixed pulp; and then controlling the temperature to be 50 ℃, adding 4kg of 1% guar gum solution and 1kg of 0.5% polymer solution of epichlorohydrin-3, 3-imino dipropylamine, mixing, adding plant fibers into the pulp, stirring for 20min to obtain corrugated paper pulp, conveying the corrugated paper pulp into a paper machine for dewatering and papermaking, coating a high-strength resin adhesive on the surface of the corrugated paper pulp, and preparing the high-strength corrugated paper.
The preparation method of the high-strength resin adhesive comprises the following steps:
adding 15Kg of polyvinyl alcohol and 300Kg of water into a reaction kettle, heating to 70 ℃, stirring and mixing uniformly, then cooling to 40 ℃, adding 7Kg of rosin maleic anhydride ester, 12Kg of pentadecene zinc tricarboxylate, 5Kg of allyl dichlorosilane and 0.5Kg of benzoyl peroxide, stirring and mixing uniformly, controlling the temperature to be 75 ℃, reacting for 60min, then adding 0.05Kg of chloroplatinic acid, 0.05Kg of tetraallyltin and 0.1Kg of octafluoroalkyl allyl ether, controlling the temperature to be 50 ℃, stirring for 30min, discharging after the reaction is finished, and obtaining the high-strength resin adhesive.
The vertical surface of the box body uses high-strength corrugated paper comprising an upper layer, a lower layer and a middle V-shaped paper core.
The folds of the V-shaped paper core are radially towards the vertical direction of the carton.
The high-strength corrugated board prepared by the experiment has the edge crush strength of 1241N/m and the flat crush strength of 1547N/m2。
Example 2
A high compressive strength carton, comprising: the box body is divided into a vertical surface and a parallel surface; the vertical surface is a bearing surface which plays a role in weighing when the box carrying bodies are stacked, and the internal support structure is arranged on the bearing surface in the box body and can assist the box body in bearing; the reinforcing layer is arranged in the interlayer of the parallel surface of the box body; the vertical surface of the box body is required to be kept in a vertical state when the box body is stacked; the corrugated paper box is characterized in that the box body and the inner supporting structure are made of high-strength corrugated paper.
The high-strength corrugated paper is processed according to the following method:
soaking 12kg of straw fiber in 0.1mol/L sodium hydroxide solution for 35min, taking out, air drying, and cutting into 8mm length plant fiber; then, mixing millstone mechanical pulp hardwood pulp and softwood pulp according to the ratio of 1: 2.4, controlling the mass concentration of the pulp to be 52% pulp, then adding 6.4kg of talcum powder and 5.8kg of diatomite into 130kg of wood pulp, and uniformly stirring to prepare mixed pulp; then controlling the temperature at 65 ℃, adding 6kg of 3% guar gum solution and 3kg of 2% polymer solution of epichlorohydrin-3, 3-imino dipropylamine, mixing, adding plant fibers into the pulp, stirring for 30min to obtain corrugated paper pulp, conveying the corrugated paper pulp into a paper machine for dewatering and papermaking, coating a high-strength resin adhesive on the surface of the corrugated paper pulp, and then preparing the high-strength corrugated paper.
The preparation method of the high-strength resin adhesive comprises the following steps:
adding 18Kg of polyvinyl alcohol and 350Kg of water into a reaction kettle, heating to 77 ℃, stirring and mixing uniformly, then cooling to 46 ℃, adding 10Kg of rosin maleic anhydride ester, 15Kg of pentadecene zinc tricarboxylate, 7Kg of allyl dichlorosilane and 1Kg of benzoyl peroxide, stirring and mixing uniformly, controlling the temperature to 79 ℃, carrying out heat preservation reaction for 80min, then adding 0.1Kg of chloroplatinic acid, 0.2Kg of tetraallyltin and 0.6Kg of octafluoroalkyl allyl ether, controlling the temperature to 55 ℃, stirring for 60min, discharging after the reaction is finished, and obtaining the high-strength resin adhesive.
The vertical surface of the box body uses high-strength corrugated paper comprising an upper layer, a lower layer and a middle V-shaped paper core.
The folds of the V-shaped paper core are radially towards the vertical direction of the carton.
The high-strength corrugated board prepared by the experiment has the edge pressure strength of 1272N/m and the flat pressure strength of 1564N/m2。
As can be seen from fig. 1:
from the above figure, it can be seen that the distance is 3352/1629cm-1An absorption peak of hydroxyl exists nearby, which indicates that water participates in the reaction; at 3113cm-1The absorption peak of the stretching vibration of the hydrocarbon exists nearby and is 3352cm-1The absorption peak of hydroxyl exists nearby, which indicates that the polyvinyl alcohol participates in the reaction, and because the water content is high, the hydroxyl and the hydrocarbon absorption peak part are merged into the hydroxyl peak of water; at 3113cm-1The absorption peak of the stretching vibration of the hydrocarbon exists nearby and is 1456cm-1A symmetric stretching vibration absorption peak of carboxylate ions exists nearby, which indicates that pentadecene zinc tricarboxylate participates in the reaction; at 1853cm-1The absorption peak of stretching vibration of carbonyl group of acid anhydride is in 1285cm-1An antisymmetric stretching vibration absorption peak of carbon and oxygen of anhydride exists nearby, which indicates that the rosin maleic anhydride ester participates in the reaction; at 1232cm-1A symmetric stretching vibration absorption peak of fluorocarbon exists nearby, and is 1146cm-1An antisymmetric stretching vibration absorption peak of ether exists nearby, which indicates that octafluoroalkyl allyl ether participates in the reaction; at 639/503cm-1An absorption peak of tin carbon exists nearby, which indicates that tetraallyltin participates in the reaction.
Example 3
A high compressive strength carton, comprising: the box body is divided into a vertical surface and a parallel surface; the vertical surface is a bearing surface which plays a role in weighing when the box carrying bodies are stacked, and the internal support structure is arranged on the bearing surface in the box body and can assist the box body in bearing; the reinforcing layer is arranged in the interlayer of the parallel surface of the box body; the vertical surface of the box body is required to be kept in a vertical state when the box body is stacked; the corrugated paper box is characterized in that the box body and the inner supporting structure are made of high-strength corrugated paper.
The high-strength corrugated paper is processed according to the following method:
soaking 18kg of straw fiber in 0.2mol/L sodium hydroxide solution for 45min, taking out, air drying, and cutting into 10mm length plant fiber; then mixing millstone mechanical pulp hardwood pulp and softwood pulp according to the ratio of 1: 4, controlling the mass concentration of the pulp to be 62% pulp, then adding 8.6kg of talcum powder and 9.7kg of diatomite into 150kg of wood pulp, and uniformly stirring to prepare mixed pulp; then controlling the temperature at 75 ℃, adding 8kg of 5% guar gum solution and 5kg of 4% polymer solution of epichlorohydrin-3, 3-imino dipropylamine, mixing, adding plant fibers into the pulp, stirring for 40min to obtain corrugated paper pulp, conveying the corrugated paper pulp into a paper machine for dewatering and papermaking, coating a high-strength resin adhesive on the surface of the corrugated paper pulp, and preparing the high-strength corrugated paper.
The preparation method of the high-strength resin adhesive comprises the following steps:
adding 35Kg of polyvinyl alcohol and 500Kg of water into a reaction kettle, heating to 80 ℃, stirring and mixing uniformly, then cooling to 50 ℃, adding 14Kg of rosin maleic anhydride ester, 17Kg of pentadecene zinc tricarboxylate, 10Kg of allyl dichlorosilane and 2.5Kg of benzoyl peroxide, stirring and mixing uniformly, controlling the temperature to 85 ℃, keeping the temperature for reaction for 150min, then adding 0.3Kg of chloroplatinic acid, 0.6Kg of tetraallyltin and 1Kg of octafluoroalkyl allyl ether, controlling the temperature to 70 ℃, stirring for 90 min, discharging after the reaction is finished, and obtaining the high-strength resin adhesive.
The vertical surface of the box body uses high-strength corrugated paper comprising an upper layer, a lower layer and a middle V-shaped paper core.
The folds of the V-shaped paper core are radially towards the vertical direction of the carton.
The high-strength corrugated board prepared by the experiment has the edge pressure strength of 1305N/m and the flat pressure strength of 1603N/m2。
Comparative example 1
A high compressive strength carton, comprising: the box body is divided into a vertical surface and a parallel surface; the vertical surface is a bearing surface which plays a role in weighing when the box carrying bodies are stacked, and the internal support structure is arranged on the bearing surface in the box body and can assist the box body in bearing; the reinforcing layer is arranged in the interlayer of the parallel surface of the box body; the vertical surface of the box body is required to be kept in a vertical state when the box body is stacked; the corrugated paper box is characterized in that the box body and the inner supporting structure are made of high-strength corrugated paper.
The high-strength corrugated paper is processed according to the following method:
soaking 5kg of straw fiber in 0.01mol/L sodium hydroxide solution for 30min, taking out, air drying, and cutting into 3mm length plant fiber; then mixing millstone mechanical pulp hardwood pulp and softwood pulp according to the ratio of 1: 1.4, controlling the mass concentration of the wood pulp to be 48% pulp, then adding 5.4kg of talcum powder and 3.6kg of diatomite into 100kg of wood pulp, and uniformly stirring to prepare mixed pulp; then controlling the temperature at 50 ℃, adding 4kg of 1% guar gum solution, mixing, adding plant fiber into the pulp, stirring for 20min to obtain corrugated paper pulp, then conveying the corrugated paper pulp into a paper machine for dewatering and papermaking, coating a high-strength resin adhesive on the surface, and then preparing the high-strength corrugated paper.
The preparation method of the high-strength resin adhesive comprises the following steps:
adding 15Kg of polyvinyl alcohol and 300Kg of water into a reaction kettle, heating to 70 ℃, stirring and mixing uniformly, then cooling to 40 ℃, adding 7Kg of rosin maleic anhydride ester, 12Kg of pentadecene zinc tricarboxylate, 5Kg of allyl dichlorosilane and 0.5Kg of benzoyl peroxide, stirring and mixing uniformly, controlling the temperature to be 75 ℃, reacting for 60min, then adding 0.05Kg of chloroplatinic acid, 0.05Kg of tetraallyltin and 0.1Kg of octafluoroalkyl allyl ether, controlling the temperature to be 50 ℃, stirring for 30min, discharging after the reaction is finished, and obtaining the high-strength resin adhesive.
The vertical surface of the box body uses high-strength corrugated paper comprising an upper layer, a lower layer and a middle V-shaped paper core.
The folds of the V-shaped paper core are radially towards the vertical direction of the carton.
The high-strength corrugated board prepared by the experiment has the edge pressure strength of 1047N/m and the flat pressure strength of 1348N/m2。
Comparative example 2
A high compressive strength carton, comprising: the box body is divided into a vertical surface and a parallel surface; the vertical surface is a bearing surface which plays a role in weighing when the box carrying bodies are stacked, and the internal support structure is arranged on the bearing surface in the box body and can assist the box body in bearing; the reinforcing layer is arranged in the interlayer of the parallel surface of the box body; the vertical surface of the box body is required to be kept in a vertical state when the box body is stacked; the corrugated paper box is characterized in that the box body and the inner supporting structure are made of high-strength corrugated paper.
The high-strength corrugated paper is processed according to the following method:
soaking 5kg of straw fiber in 0.01mol/L sodium hydroxide solution for 30min, taking out, air drying, and cutting into 3mm length plant fiber; then mixing millstone mechanical pulp hardwood pulp and softwood pulp according to the ratio of 1: 1.4, controlling the mass concentration of the wood pulp to be 48% pulp, then adding 5.4kg of talcum powder and 3.6kg of diatomite into 100kg of wood pulp, and uniformly stirring to prepare mixed pulp; and then controlling the temperature to be 50 ℃, adding 4kg of 1% guar gum solution and 1kg of 0.5% polymer solution of epichlorohydrin-3, 3-imino dipropylamine, mixing, adding plant fibers into the pulp, stirring for 20min to obtain corrugated paper pulp, conveying the corrugated paper pulp into a paper machine for dewatering and papermaking, coating a high-strength resin adhesive on the surface of the corrugated paper pulp, and preparing the high-strength corrugated paper.
The preparation method of the high-strength resin adhesive comprises the following steps:
adding 15Kg of polyvinyl alcohol and 300Kg of water into a reaction kettle, heating to 70 ℃, stirring and mixing uniformly, then cooling to 40 ℃, adding 7Kg of rosin maleic anhydride ester, 12Kg of pentadecene zinc tricarboxylate, 5Kg of allyl dichlorosilane and 0.5Kg of benzoyl peroxide, stirring and mixing uniformly, controlling the temperature to be 75 ℃, reacting for 60min, then adding 0.05Kg of chloroplatinic acid, 0.05Kg of tetraallyltin and 0.1Kg of octafluoroalkyl allyl ether, controlling the temperature to be 50 ℃, stirring for 30min, discharging after the reaction is finished, and obtaining the high-strength resin adhesive.
The vertical surface of the box body uses high-strength corrugated paper comprising an upper layer, a lower layer and a middle V-shaped paper core.
The folds of the V-shaped paper core are radially towards the vertical direction of the carton.
The high-strength corrugated board prepared by the experiment has the edge pressure strength of 1046N/m and the flat pressure strength of 1389N/m2。
Comparative example 3
A high compressive strength carton, comprising: the box body is divided into a vertical surface and a parallel surface; the vertical surface is a bearing surface which plays a role in weighing when the box carrying bodies are stacked, and the internal support structure is arranged on the bearing surface in the box body and can assist the box body in bearing; the reinforcing layer is arranged in the interlayer of the parallel surface of the box body; the vertical surface of the box body is required to be kept in a vertical state when the box body is stacked; the corrugated paper box is characterized in that the box body and the inner supporting structure are made of high-strength corrugated paper.
The high-strength corrugated paper is processed according to the following method:
soaking 5kg of straw fiber in 0.01mol/L sodium hydroxide solution for 30min, taking out, air drying, and cutting into 3mm length plant fiber; then mixing millstone mechanical pulp hardwood pulp and softwood pulp according to the ratio of 1: 1.4, controlling the mass concentration of the wood pulp to be 48% pulp, then adding 5.4kg of talcum powder and 3.6kg of diatomite into 100kg of wood pulp, and uniformly stirring to prepare mixed pulp; and then controlling the temperature to be 50 ℃, adding 4kg of 1% guar gum solution and 1kg of 0.5% polymer solution of epichlorohydrin-3, 3-imino dipropylamine, mixing, adding plant fibers into the pulp, stirring for 20min to obtain corrugated paper pulp, conveying the corrugated paper pulp into a paper machine for dewatering and papermaking, coating a high-strength resin adhesive on the surface of the corrugated paper pulp, and preparing the high-strength corrugated paper.
The preparation method of the high-strength resin adhesive comprises the following steps:
adding 15Kg of polyvinyl alcohol and 300Kg of water into a reaction kettle, heating to 70 ℃, stirring and mixing uniformly, then cooling to 40 ℃, adding 7Kg of rosin maleic anhydride ester, 12Kg of pentadecene zinc tricarboxylate, 5Kg of allyl dichlorosilane and 0.5Kg of benzoyl peroxide, stirring and mixing uniformly, controlling the temperature to be 75 ℃, reacting for 60min, then adding 0.05Kg of chloroplatinic acid, 0.05Kg of tetraallyltin and 0.1Kg of octafluoroalkyl allyl ether, controlling the temperature to be 50 ℃, stirring for 30min, discharging after the reaction is finished, and obtaining the high-strength resin adhesive.
The vertical surface of the box body uses high-strength corrugated paper comprising an upper layer, a lower layer and a middle V-shaped paper core.
The folds of the V-shaped paper core are radially towards the vertical direction of the carton.
The high-strength corrugated board prepared by the experiment has the edge pressure strength of 1021N/m and the flat pressure strength of 1342N/m2。
Comparative example 4
A high compressive strength carton, comprising: the box body is divided into a vertical surface and a parallel surface; the vertical surface is a bearing surface which plays a role in weighing when the box carrying bodies are stacked, and the internal support structure is arranged on the bearing surface in the box body and can assist the box body in bearing; the reinforcing layer is arranged in the interlayer of the parallel surface of the box body; the vertical surface of the box body is required to be kept in a vertical state when the box body is stacked; the corrugated paper box is characterized in that the box body and the inner supporting structure are made of high-strength corrugated paper.
The high-strength corrugated paper is processed according to the following method:
soaking 5kg of straw fiber in 0.01mol/L sodium hydroxide solution for 30min, taking out, air drying, and cutting into 3mm length plant fiber; then mixing millstone mechanical pulp hardwood pulp and softwood pulp according to the ratio of 1: 1.4, controlling the mass concentration of the wood pulp to be 48% pulp, then adding 5.4kg of talcum powder and 3.6kg of diatomite into 100kg of wood pulp, and uniformly stirring to prepare mixed pulp; and then controlling the temperature to be 50 ℃, adding 4kg of 1% guar gum solution and 1kg of 0.5% polymer solution of epichlorohydrin-3, 3-imino dipropylamine, mixing, adding plant fibers into the pulp, stirring for 20min to obtain corrugated paper pulp, conveying the corrugated paper pulp into a paper machine for dewatering and papermaking, coating a high-strength resin adhesive on the surface of the corrugated paper pulp, and preparing the high-strength corrugated paper.
The preparation method of the high-strength resin adhesive comprises the following steps:
adding 15Kg of polyvinyl alcohol and 300Kg of water into a reaction kettle, heating to 70 ℃, stirring and mixing uniformly, then cooling to 40 ℃, adding 7Kg of rosin maleic anhydride ester, 12Kg of pentadecene zinc tricarboxylate, 5Kg of allyl dichlorosilane and 0.5Kg of benzoyl peroxide, stirring and mixing uniformly, controlling the temperature to be 75 ℃, reacting for 60min, then adding 0.05Kg of chloroplatinic acid, 0.05Kg of tetraallyltin and 0.1Kg of octafluoroalkyl allyl ether, controlling the temperature to be 50 ℃, stirring for 30min, discharging after the reaction is finished, and obtaining the high-strength resin adhesive.
The vertical surface of the box body uses high-strength corrugated paper comprising an upper layer, a lower layer and a middle V-shaped paper core.
The folds of the V-shaped paper core are radially towards the vertical direction of the carton.
The present invention does not cause hydrosilylation.
The high-strength corrugated board prepared by the experiment has the edge pressure strength of 941N/m and the flat pressure strength of 1046N/m2。
Comparative example 5
A high compressive strength carton, comprising: the box body is divided into a vertical surface and a parallel surface; the vertical surface is a bearing surface which plays a role in weighing when the box carrying bodies are stacked, and the internal support structure is arranged on the bearing surface in the box body and can assist the box body in bearing; the reinforcing layer is arranged in the interlayer of the parallel surface of the box body; the vertical surface of the box body is required to be kept in a vertical state when the box body is stacked; the corrugated paper box is characterized in that the box body and the inner supporting structure are made of high-strength corrugated paper.
The high-strength corrugated paper is processed according to the following method:
soaking 5kg of straw fiber in 0.01mol/L sodium hydroxide solution for 30min, taking out, air drying, and cutting into 3mm length plant fiber; then mixing millstone mechanical pulp hardwood pulp and softwood pulp according to the ratio of 1: 1.4, controlling the mass concentration of the wood pulp to be 48% pulp, then adding 5.4kg of talcum powder and 3.6kg of diatomite into 100kg of wood pulp, and uniformly stirring to prepare mixed pulp; and then controlling the temperature at 50 ℃, adding 4kg of 1% guar gum solution and 1kg of 0.5% polymer solution of epichlorohydrin-3, 3-imino dipropylamine, mixing, adding plant fibers into the pulp, stirring for 20min to obtain corrugated paper pulp, conveying the corrugated paper pulp into a paper machine for dewatering and papermaking, coating white latex on the surface of the corrugated paper pulp, and preparing corrugated paper.
The vertical surface of the box body uses high-strength corrugated paper comprising an upper layer, a lower layer and a middle V-shaped paper core.
The folds of the V-shaped paper core are radially towards the vertical direction of the carton.
The high-strength corrugated board prepared by the experiment has the edge pressure strength of 863N/m and the flat pressure strength of 935N/m2。

Claims (5)

1. A high compressive strength carton, comprising: the box body is divided into a vertical surface and a parallel surface; the vertical surface is a bearing surface which plays a role in weighing when the box carrying bodies are stacked, and the internal support structure is arranged on the bearing surface in the box body and can assist the box body in bearing; the reinforcing layer is arranged in the interlayer of the parallel surface of the box body; the vertical surface of the box body is required to be kept in a vertical state when the box body is stacked; the corrugated paper box is characterized in that the box body and the inner supporting structure are made of high-strength corrugated paper.
2. A high compressive strength carton as claimed in claim 1, wherein: the high-strength corrugated paper is processed according to the following method:
soaking 5-18 parts of straw fiber in 0.01-0.2mol/L sodium hydroxide solution for 30-45min, taking out, air drying, and cutting into 3-10mm length plant fiber; then mixing millstone mechanical pulp hardwood pulp and softwood pulp according to the ratio of 1: 1.4-4, controlling the mass concentration of the wood pulp to be 48-62% pulp, then adding 5.4-8.6 parts of talcum powder and 3.6-9.7 parts of diatomite into 100-150 parts of wood pulp, and uniformly stirring to prepare mixed pulp; and then controlling the temperature to be 50-75 ℃, adding 4-8 parts of 1-5% guar gum solution and 1-5 parts of 0.5-4% epichlorohydrin-3, 3-imino dipropylamine polymer solution, mixing, adding plant fibers into the pulp, stirring for 20-40min to prepare corrugated paper pulp, then conveying the corrugated paper pulp into a paper machine for dehydration and papermaking, coating a high-strength resin adhesive on the surface of the corrugated paper pulp, and preparing the high-strength corrugated paper.
3. A high compressive strength carton as claimed in claim 2, wherein: the preparation method of the high-strength resin adhesive comprises the following steps:
adding 15-35 parts by mass of polyvinyl alcohol and 500 parts by mass of water with the addition of 300-one additives into a reaction kettle, heating to 70-80 ℃, uniformly stirring and mixing, then cooling to 40-50 ℃, adding 7-14 parts by mass of rosin maleic anhydride ester, 12-17 parts by mass of pentadecene zinc tricarboxylate, 5-10 parts by mass of allyl dichlorosilane and 0.5-2.5 parts by mass of benzoyl peroxide, uniformly stirring and mixing, controlling the temperature to be 75-85 ℃, carrying out heat preservation reaction for 60-150min, then adding 0.05-0.3 part by mass of chloroplatinic acid, 0.05-0.6 part by mass of tetraallyltin and 0.1-1 part by mass of octafluoroalkyl allyl ether, controlling the temperature to be 50-70 ℃, stirring for 30-90 min, and discharging after the reaction is finished to obtain the high-strength resin adhesive.
4. A high compressive strength carton as claimed in claim 1, wherein: the vertical surface of the box body uses high-strength corrugated paper comprising an upper layer, a lower layer and a middle V-shaped paper core.
5. A high compressive strength carton as claimed in claim 1, wherein: the folds of the V-shaped paper core are radially towards the vertical direction of the carton.
CN202010187896.4A 2020-03-17 2020-03-17 High-pressure-resistant strength carton Pending CN111361219A (en)

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Application publication date: 20200703