CN111877051A

CN111877051A - Novel high-strength waterproof corrugated paper and preparation method thereof

Info

Publication number: CN111877051A
Application number: CN202010775244.2A
Authority: CN
Inventors: 不公告发明人
Original assignee: Suzhou Yunzhiqiu Intelligent Technology Co ltd
Current assignee: Suzhou Yunzhiqiu Intelligent Technology Co ltd
Priority date: 2020-08-05
Filing date: 2020-08-05
Publication date: 2020-11-03

Abstract

The invention discloses novel high-strength waterproof corrugated paper and a preparation method thereof, and the novel high-strength waterproof corrugated paper mainly comprises the following structures and materials: the paper in compression face, the face of buckling, first facial tissue, seal various layer, waterproof coating, first well paper, first core paper, second facial tissue, third core paper in the second, paper in the top of first facial tissue has been laid first, it has third core paper to bond between paper in the first and the first facial tissue, and bonds between third core paper and the first facial tissue and have waterproof coating, and paper in the second has been laid at the top of paper in the first, and bonds between paper in first and the second and have first core paper. The invention adds the gain process in the preparation, the compression surface and the bending surface not only effectively ensure that the integral connection effect of the corrugated paper is increased, and the effect of high-strength operation use is achieved, but also the high-strength and waterproof effect of the corrugated paper is further enhanced on the original basis through the produced waterproof technology, and the preparation requirement is met.

Description

Novel high-strength waterproof corrugated paper and preparation method thereof

Technical Field

The invention relates to the technical field of corrugated paper, in particular to novel high-strength waterproof corrugated paper and a preparation method thereof.

Background

Corrugated paper is a plate-shaped object formed by bonding corrugated paper of corrugated shapes formed by processing of liner paper and corrugated rollers, generally divided into single corrugated paper boards and double corrugated paper boards, and divided into the following two types according to the size of the corrugated paper: A. b, C, E, F, the invention and application of the corrugated paper has more than one hundred years history, and has the advantages of low cost, light weight, easy processing, large strength, excellent printing adaptability, convenient storage and transportation, etc., more than 80% of the corrugated paper can be recycled, the corrugated paper can be used as the package of food or digital products, and is relatively environment-friendly and widely used;

the A-type corrugated and the B-type corrugated are generally used as outer transport packaging boxes, beer boxes are generally made of the B-type corrugated, the E-type corrugated is mostly used as a single packaging box with certain aesthetic requirements and suitable weight of contents, the F-type corrugated and the G-type corrugated are collectively called as micro-type corrugated, and the micro-type corrugated is an extremely thin corrugated and is used as a disposable packaging container for foods such as hamburgers, cream fillings and cakes, or is used as a package for micro-electric products such as digital cameras, portable combination audio and the like and refrigerated goods.

However, the overall operation strength of the existing corrugated paper is still weak, and the situation of frequent damage and edge starting at the edge still occurs during the use operation, so that the basic operation requirement at the time is met, but the stability of the corrugated paper at the later stage is easily reduced, the service life of the corrugated paper is shortened, and meanwhile, the situation that the corrugated paper is affected with damp is easily caused due to the reduction of the overall operation strength, so that the overall waterproof effect is also reduced.

Disclosure of Invention

The invention aims to provide novel high-strength waterproof corrugated paper and a preparation method thereof, and aims to solve the problems in the background art.

In order to achieve the purpose, the invention provides the following technical scheme:

a novel high-strength waterproof corrugated paper and a preparation method thereof are disclosed, wherein the novel high-strength waterproof corrugated paper mainly comprises the following structures and materials: the paper comprises a compression surface, a bending surface, first surface paper, a color printing layer, a waterproof coating, first middle paper, first core paper, second middle paper, second core paper, second surface paper and third core paper, and comprises the following five steps:

the method comprises the following steps: the top of the first surface paper is paved with first middle paper, third core paper is bonded between the first middle paper and the first surface paper, and a waterproof coating is bonded between the third core paper and the first surface paper;

step two: second middle paper is laid on the top of the first middle paper, and first core paper is bonded between the first middle paper and the second middle paper;

step three: a second surface paper is laid on the top of the second middle paper, and a second core paper is bonded between the second middle paper and the second surface paper;

step four: two ends of the first surface paper, the first middle paper, the second middle paper and the second surface paper are all extruded with compression surfaces through bending surfaces;

step five: the bottom of the first facial tissue and the top of the second facial tissue are coated with waterproof coatings, and a color printing layer is printed between the first facial tissue and the waterproof coatings.

Preferably, the waterproof coating is formed by coating gloss oil and starch slurry respectively, the starch slurry is required to be used as a bottom layer and coated on a coating surface, and a water-resistant auxiliary agent is required to be added in the waterproof coating before coating.

Preferably, the third core paper and the waterproof coating are mutually engaged, and the third core paper, the first surface paper and the first middle paper, and the second core paper, the second middle paper and the second surface paper are bonded and fixed through waterproof glue.

Preferably, the compressed surface, the bent surface, the first surface paper, the first middle paper, the first core paper, the second middle paper, the second core paper, the second surface paper and the third core paper are processed and finished through a base paper frame, a preheating cylinder, a paper splicing machine, a corrugating machine, an overbridge conveying frame, a multi-preheating cylinder, a sizing machine, a double-face machine, a computer thin-blade paper separating machine, a computer spiral transverse cutting machine and a horizontal conveying machine.

Preferably, the weight range of the base paper per square meter of the first facial tissue, the second core paper and the third core paper is between 100 grams per square meter and 400 grams per square meter.

Compared with the prior art, the invention has the beneficial effects that: this novel waterproof corrugated paper of high strength and preparation method, through adding the gain process in the preparation, compression face and the face of buckling not only effectual assurance increased the holistic linking effect of corrugated paper, avoid or reduce the corrugated paper edge when using and take place the circumstances of fluffing or damage, through the compression to the corrugated paper both sides, can be better satisfy holistic operation intensity and application scope, the effect that the high strength operation was used has been reached, increase the inside core paper of corrugated paper simultaneously and make the corrugated paper further improve the operation intensity of lateral surface under original seven stupefied circumstances, simultaneously through the waterproof technology of production messenger flute high strength and water-proof effects have further been strengthened on original basis, the preparation demand has been reached, application scope has been enlarged simultaneously again.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the surface structure of the present invention;

FIG. 3 is a partial schematic view of the present invention;

FIG. 4 is a schematic view of a process flow of the present invention.

In the figure: 1. compressing the noodles; 2. a bending surface; 3. first surface paper; 301. printing a color layer; 302. a water-resistant coating; 4. a first middle paper; 5. a first core paper; 6. second middle paper; 7. a second core paper; 8. second surface paper; 9. and a third core paper.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

Referring to fig. 1-3, the present invention provides an embodiment: a novel high-strength waterproof corrugated paper and a preparation method thereof, wherein the novel high-strength waterproof corrugated paper comprises a compression surface, a bending surface, first surface paper, a color printing layer, a waterproof coating, first middle paper, first core paper, second middle paper, second core paper, second surface paper and third core paper, and comprises the following five steps:

the method comprises the following steps: the top of the first face paper 3 is paved with first middle paper 4, third core paper 9 is adhered between the first middle paper 4 and the first face paper 3, and a waterproof coating 302 is adhered between the third core paper 9 and the first face paper 3;

step two: the second middle paper 6 is laid on the top of the first middle paper 4, and a first core paper 5 is adhered between the first middle paper 4 and the second middle paper 6;

step three: a second surface paper 8 is laid on the top of the second middle paper 6, and a second core paper 7 is adhered between the second middle paper 6 and the second surface paper 8;

step four: two ends of the first surface paper 3, the first middle paper 4, the second middle paper 6 and the second surface paper 8 are extruded with compression surfaces 1 through bending surfaces 2;

step five: the bottom of first face paper 3 and the top coating of second facial tissue 8 have waterproof coating 303, and waterproof coating 303 has realized the water-proof effects of corrugated paper, and the printing has printed colored layer 301 between first face paper 3 and the waterproof coating 303, and printed colored layer 301 has improved the light chroma on corrugated paper surface, has improved the pleasing to the eye degree of flute after the production.

Further, the waterproof coating 302 is formed by coating gloss oil and starch slurry respectively, the starch slurry is required to be used as a bottom layer and coated on a coating surface, a water-resistant auxiliary agent is required to be added in the waterproof coating 302 before coating, the water-resistant auxiliary agent can be selected from urea-formaldehyde resin, melamine-formaldehyde resin, polyvinyl butyral and the like, the water-resistant performance of the coating can be improved, and the waterproof coating can be directly coated on the surface of the corrugated paperboard during processing.

Further, the third core paper 9 and the waterproof coating 302 are mutually engaged, and the third core paper 9, the first middle paper 3 and the first middle paper 4, and the second core paper 7, the second middle paper 6 and the second middle paper 8 are fixed by waterproof glue.

Further, the compressed face 1, the bent face 2, the first face paper 3, the first middle paper 4, the first core paper 5, the second middle paper 6, the second core paper 7, the second face paper 8, and the third core paper 9 are processed by a base paper holder, a preheating cylinder, a paper receiving machine, a corrugating machine, a bridge conveyor, a multiple preheating cylinder, a sizing machine, a double-faced machine, a computer thin-blade paper separating machine, a computer spiral cross cutting machine, and a horizontal conveyor, and the production of corrugated paper is realized by the base paper holder, the preheating cylinder, the paper receiving machine, the corrugating machine, the bridge conveyor, the multiple preheating cylinder, the sizing machine, the double-faced machine, the computer thin-blade paper separating machine, the computer spiral cross cutting machine, and the horizontal conveyor, and specific contents can be referred to example 2.

Furthermore, the weight range of the raw paper per square meter of the first face paper 3, the second face paper 8, the second core paper 7 and the third core paper 9 is 100 g/square meter to 400 g/square meter, and the quantification, tightness and burst index of the corrugated paper during production can be effectively ensured by setting the preparation technical index of the corrugated paper, so that the production quality of the corrugated paper is effectively ensured.

Example 2

Referring to FIG. 4, a process for making corrugated paper

The method comprises the following steps that firstly, a base paper frame is used for carrying out base paper rolling-out transmission in a corrugated board production line, the base paper can be clamped, loosened, lifted, translated left and right, and the like, and paper rolls can be replaced without stopping.

The braking force can be adjusted at any time according to the size of the paper roll in the production process so as to keep the normal base paper tension required by production, and the structure is as follows: the paper feeding trolley conveys the base paper to a base paper frame from a passageway for the base paper on the base paper frame to use;

step two, the hot cylinder is used for the inner paper and the corrugated paper to preheat when the single-sided corrugating machine produces, the paper obtains appropriate moisture content through preheating, and the paper is unfolded, the structure is formed: the paper heating device is composed of a hot cylinder, a fixed paper guide roller, a floating paper guide roller, a steam system, an electrical control system and the like, wherein the floating paper guide roller is driven by a motor and can rotate around the periphery of the hot cylinder, so that the heating area of paper is adjusted. The diameter of a cylinder body of the preheating cylinder cannot be lower than 900mm, and the maximum wrap angle adjusting capacity is required to adjust the humidity of the base paper so as to ensure the flatness of the paperboard;

step three, the corrugating machine processes the corrugated base paper into a required corrugated shape, and then the corrugated base paper is bonded with the lining paper or the partition paper, so that a continuous single-sided corrugated board is produced, and the corrugated board is in a structure: the corrugated roller forming machine comprises a corrugated forming mechanism, a sizing mechanism, a humidifying mechanism, a power and transmission system, an electric control system, a pneumatic system, a steam pipeline, a paste supply pipeline and the like, wherein the single-face machine which is most commonly used in the market at present is a non-paste fork type external suction vacuum single-face machine or a positive pressure cartridge type single-face machine, and the matching pressure (matching clearance), the parallelism and the surface temperature of a corrugated roller must be well controlled in actual operation, and proper middle height is selected;

and step four, the sizing agent is an essential important device in a corrugated board production line, and is a special device for sizing pitted paper before entering a double-faced machine for forming, and the quality of the performance of the sizing agent directly influences the quality of a corrugated board finished product. The composition structure is as follows: the automatic paper feeding machine mainly comprises an upper layer sizing mechanism, a lower layer sizing mechanism, a facial paper preheating mechanism, an operation side protection cabinet, a power and transmission system, an electric control system, a pneumatic system and the like;

the multiple preheating cylinder is composed of a hot cylinder, a fixed paper guide roller, a floating paper guide roller, a steam system, an electrical control system and the like, the floating paper guide roller is driven by a motor and can rotate around the periphery of the hot cylinder, so that the wrap angle of the paper around the hot cylinder is adjusted, and the heating area of the paper is changed;

step six, the overpass carriage enters the next processing procedure to the single-pit paper board from the corrugating machine through the bridge paper feeding device, the conveying device, the paper board aligning device and the paper board tension adjusting device, and the overpass carriage can be divided into a single-layer, a double-layer and a three-layer overpass carriage according to the types of the produced paper boards to form a structure: the machine consists of a bridge paper feeding device, a conveying device, a paperboard aligning device, a tension adjusting device, a walkway and the like;

step seven, the double-faced machine is used for bonding the glued single-faced corrugated board and the surface paper, heating and curing the single-faced corrugated board, drying the single-faced corrugated board and the surface paper, then performing cold setting on the single-faced corrugated board to form a three-layer, five-layer or seven-layer corrugated board, and then conveying the formed corrugated board to equipment such as a longitudinal cutting and creasing machine for cutting and processing the corrugated board to form a structure: the double-sided machine consists of a hot section and a cold section;

the heating section consists of a plurality of groups of hot drying ovens with smooth and flat surfaces, the corrugated board is directly pasted on the heating section, and a special canvas belt and a compression roller or a pressing plate which have good air permeability and certain tension and gravity are arranged on the upper plane of the corrugated board, so that the corrugated board is heated and dried under certain pressure;

the heating section is divided into a high-temperature area and a low-temperature area, the high-temperature area enables the adhesive to be pasted and dried, the bonding force is enhanced, and the low-temperature area enables the corrugated board to be dried and tend to be stable; the cooling section has the functions of emitting redundant heat, homogenizing water, avoiding warping, and enabling the corrugated board to enter the next process after being leveled and shaped;

it should be noted that: the number of the hot plates at the hot section part is matched with that of a high-speed production line, otherwise, the glued paper boards are not dried fully, the pasting of the adhesive is poor, the speed is too high, a large amount of paper boards are degummed and too soft, and the number of the hot plates cannot be less than 18 usually;

step eight, the continuous corrugated board coming out of the double-sided machine is longitudinally cut into the paper boards with the required width specification by the computer thin-blade paper separating machine, and the structure is formed: comprises a frame part, a knife anvil part, a line pressing part, a slitting part, a knife grinder, an electric deviation rectifying part, a lubricating system, a pneumatic system, an electric control system and the like;

step nine, the continuous corrugated board that the computer spiral crosscut machine will come out from the slitter transversely cuts into the cardboard of the required length specification, constitutes the structure: the machine comprises a main box body, an auxiliary box body, an upper cutter shaft transmission part, a lower cutter shaft transmission part, a paper feeding mechanism, a paper discharging mechanism, a length measuring mechanism, a lubricating system, a pneumatic system, an electric control system and the like;

step ten, the horizontal transverse conveyor is a paper collecting mechanism in the corrugated board production line, and finished corrugated boards which come out from the transverse cutting machine are conveyed and stacked, collected by the transverse conveyor and transversely discharged. The composition structure is as follows: the main components comprise a horizontal conveyor, a transverse paper discharging trolley, a pneumatic system, an electric control system and the like;

finally, through the cooperation of the corresponding material collecting mechanism and the end part of the horizontal transverse conveyor, the corrugated paper on the horizontal transverse conveyor can stably fall into the material collecting mechanism, and the preparation requirement is met.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. A novel high-strength waterproof corrugated paper and a preparation method thereof are disclosed, wherein the novel high-strength waterproof corrugated paper mainly comprises the following structures and materials: compression face, the face of buckling, first facial tissue, seal various layer, waterproof coating, paper in first, first core paper, second in, second core paper, second facial tissue, third core paper, its characterized in that: the method comprises the following five steps:

the method comprises the following steps: a first middle paper (4) is laid on the top of the first surface paper (3), a third core paper (9) is adhered between the first middle paper (4) and the first surface paper (3), and a waterproof coating (302) is adhered between the third core paper (9) and the first surface paper (3);

step two: a second middle paper (6) is laid on the top of the first middle paper (4), and a first core paper (5) is adhered between the first middle paper (4) and the second middle paper (6);

step three: a second surface paper (8) is laid on the top of the second middle paper (6), and a second core paper (7) is bonded between the second middle paper (6) and the second surface paper (8);

step four: two ends of the first surface paper (3), the first middle paper (4), the second middle paper (6) and the second surface paper (8) are extruded with compression surfaces (1) through bending surfaces (2);

step five: the bottom of first facial tissue (3) and the top coating of second facial tissue (8) have waterproof coating (303), it has printed colored layer (301) to print between first facial tissue (3) and waterproof coating (303).

2. The novel high-strength waterproof corrugated paper and the preparation method thereof according to claim 1, wherein the novel high-strength waterproof corrugated paper is characterized in that: the waterproof coating (302) is formed by respectively coating gloss oil and starch slurry, the starch slurry is required to be used as a bottom layer and coated on a coating surface, and a waterproof auxiliary agent is required to be added in the waterproof coating (302) before coating.

3. The novel high-strength waterproof corrugated paper and the preparation method thereof according to claim 1, wherein the novel high-strength waterproof corrugated paper is characterized in that: the third core paper (9) and the waterproof coating (302) are mutually meshed, and the third core paper (9), the first surface paper (3) and the first middle paper (4) as well as the second core paper (7), the second middle paper (6) and the second surface paper (8) are bonded and fixed through waterproof glue.

4. The novel high-strength waterproof corrugated paper and the preparation method thereof according to claim 1, wherein the novel high-strength waterproof corrugated paper is characterized in that: the paper-making machine is characterized in that the compressed surface (1), the bent surface (2), the first surface paper (3), the first middle paper (4), the first core paper (5), the second middle paper (6), the second core paper (7), the second surface paper (8) and the third core paper (9) are processed and finished through a base paper frame, a preheating cylinder, a paper receiving machine, a corrugating machine, an overbridge conveying frame, a multiple preheating cylinder, a sizing machine, a double-face machine, a computer thin-blade paper separating machine, a computer spiral transverse cutting machine, a horizontal conveying machine and a stacking machine respectively.

5. The novel high-strength waterproof corrugated paper and the preparation method thereof according to claim 1, wherein the novel high-strength waterproof corrugated paper is characterized in that: the weight range of the base paper per square meter of the first facial tissue (3), the second facial tissue (8), the second core paper (7) and the third core paper (9) is 100 grams per square meter to 400 grams per square meter.