A kind of High-strength waterproof corrugated board production technique and its application in cartonTechnical field
The invention belongs to cardboard processing technique field, in particular to a kind of High-strength waterproof corrugated board production technique andIts application in carton.
Background technique
Packaging Box is the most widely used product of packaging industry, and the corrugated board production that China uses is to pass through corrugationThe corrugated paper that roller is processed into waveform is bonded.In order to improve the value of Packaging Box, people are enterprising in Packaging Box alwaysRow research and improvement, reduce cost, increase intensity, facilitate production, the efficiency of automated production is improved, so as in the degree of automationIt is produced on higher corrugated multilayer panel moulding apparatus Automatic production line.
In the prior art, in order to the intensity for improving packing board increases raw material paper generally by increasing the grammes per square metre of cardboardQuality, or the whole number of plies for increasing fitting corrugated board, the existing production line in the whole nation take both methods to be given birth toIt produces.In order to improve the various physical indexs of corrugated board, it is completely dependent on and increases paper sheet thickness and improve paper grades to reach mesh's.But paper resource can be largely wasted in this way, because papermaking is energy consumption and pollutes biggish industry, this mode of operation is straightIt connects and increases energy consumption, increases environmental pollution, also increase production cost for enterprise.
In addition, will receive external force, atmospheric degree etc. influences since corrugated case is in storage and transportational process, therefore wattThe requirement of the adhesive strength of corrugated paper board, water resistance etc. is also just high.But not only intensity is not high for existing corrugated board, damage-resistantProperty is poor, is not easy to stack, and adhesive strength, water resistance are also not highly desirable, easily causes corrugated case moisture absorption softening, edge degummingPhenomena such as warping, deforming causes commodity to go bad, damage.
Summary of the invention
The object of the present invention is to provide a kind of High-strength waterproof corrugated board production technique and its application in carton,Corrugated board using the production of this kind of technique has preferable waterproof performance and higher intensity.
Above-mentioned technical purpose of the invention has the technical scheme that
A kind of High-strength waterproof corrugated board production technique, comprising the following steps:
S1: body paper is heated using heater；
S2: embossed is carried out to the body paper after heating using Corrugator roller, to form the corrugated paper of ripple type；
S3: the corrugated paper of the corrugated paper of smooth type and ripple type is pasted using modified corn starch glue, is obtained two layersCorrugated paper；
S4: two pieces of two layers of corrugated papers obtained in step S3 are pasted using modified corn starch glue, obtain fourLayer corrugated board.
Further, increase S4 ' behind S4, coat modified corn starch glue in the side wall of corrugated board.
Further, bis- [3- diphenylphosphinomethyl -4- methoxyl group -1- are mixed in the modified corn starch glueNaphthalene] methane cupric perchlorate complex compound.
Further, sodium hydroxide is mixed in the modified corn starch glue.
Further, the modified corn starch glue is heated and is stirred evenly before use.
Further, the temperature heated to the modified corn starch glue is 40-50 DEG C.
According to the High-strength waterproof corrugated board of any production technology production of preceding claim in corrugated caseIn application.
The beneficial effects of the present invention are:
1. the present invention bis- [3- diphenylphosphinomethyl -4- methoxyl group -1- naphthalenes of mixing in conventional cornstarch glueBase] methane cupric perchlorate complex compound, a large amount of naphthalene is contained in the substance, it in substrate surface and internal can form one layer of densificationWater-repellent layer, inhibit moisture penetration, improve the hydrophobic performance of substrate, extend making for the corrugated paper pasted using this kind of glueUse the service life.
2. be mixed with sodium hydroxide in most cornstarch glue, in this way, for part in production cornstarch oxygenChange is not that bis- [3- diphenylphosphinomethyl -4- methoxy-1-naphthyl] first are added thereto especially adequately for of inferior quality glueAlkane cupric perchlorate complex compound, bis- [3- diphenylphosphinomethyl -4- methoxy-1-naphthyl] methane cupric perchlorate complex compounds are in hydrogen-oxygenUnder the conditions of changing sodium, accelerates stirring or be stirred while heating, bis- [3- diphenylphosphinomethyl -4- first can be promotedOxy-1-naphthalene] methane cupric perchlorate complex compound ionizes out perchloric acid class oxidizing substance, and promote corn starch molecules to decompose oxygenChange, mitigates in glue because cornstarch aoxidizes the crystal shaped bulk coacervation of insufficient appearance；Meanwhile naphthalene still exists inIn glue, the waterproof performance of corrugated board is not influenced.Compared with the diazonium substance applied on the same day does modifying agent, height of the inventionChloric acid substance oxidisability is stronger, more preferable to the modified effect of cornstarch.
3. the present invention coats modified corn starch after obtaining corrugated board, in the side wall of corrugated board, can be to corrugationThe side wall of cardboard is blocked, and penetrates into corrugated paper from the hollow part of corrugated board side wall to avoid moisture, corrugated paper is caused to absorb waterSoften, influences the intensity of corrugated board.
Specific embodiment
Below in conjunction with specific embodiment, technical solution of the present invention is clearly and completely described.Obviously, it is retouchedThe embodiment stated is only a part of the embodiments of the present invention, instead of all the embodiments.Based on the embodiment of the present invention, originallyField those of ordinary skill every other embodiment obtained without creative efforts, belongs to the present inventionThe range of protection.
Embodiment 1
A kind of High-strength waterproof corrugated board production technique and its application in carton, the wherein preparation of corrugated boardTechnique includes the following steps.
S1: body paper is heated using heater.Package body paper is placed on feed appliance, paper is conveyed from feed applianceTo heating roller, paper is heated using heating roller during transportation, paper is made to soften, is conducive to following process.AddHot temperature is at 55 DEG C.
S2: embossed is carried out to the body paper after heating using Corrugator roller, to form the corrugated paper of ripple type.
S3: the corrugated paper of the corrugated paper of smooth type and ripple type is pasted using modified corn starch glue, is obtained two layersCorrugated paper.Modified corn starch glue is ready-to-use glue, takes commercially available cornstarch glue, preceding to Corn Starch Glue usingBis- [3- diphenylphosphinomethyl -4- methoxy-1-naphthyl] methane cupric perchlorate complex compounds that weight ratio is 4% are added in water,Specially ammino-complex is mixed evenly, and obtains modified corn starch glue.When stickup, processed without Corrugator rollerSmooth type corrugated paper surface uniformly coats modified corn starch glue, then with the ripple type corrugated paper after Corrugator roller is processedIt mutually pastes, obtains two layers of corrugated paper.
S4: being pasted two pieces of two layers of corrugated papers obtained in step S3 using modified corn starch glue, can be rightClaiming to paste asymmetric can also paste, and obtain four-layer corrugated paper board.Wherein in the preparation process and S3 of modified corn starch glueIt is identical, sticking operation can also be carried out in certain other embodiments, according to actual needs to obtain five layers or more of corrugationCardboard.
S4 ': modified corn starch glue is coated in the side wall of corrugated board.Due to containing watt of ripple type in corrugated boardStupefied paper, therefore, corrugated board after molding are in hollow form, and the corrugated case being assembled into using this corrugated board is by rainWhen water-soaked, moisture easily enters in corrugated board from the side wall hollow part of corrugated board, the feelings for causing carton water suction to get wet, softenCondition influences paper board strength.And the present invention corrugated board side wall coat and filling-modified cornstarch glue, can be by corrugated paperThe side wall of plate blocks, and that breaks off moisture enters channel, improves the waterproof performance and intensity of corrugated board.
The High-strength waterproof corrugated board that above-mentioned preparation process produces is applied in the production of corrugated case, is obtainedCorrugated case also waterproof performance and high-strength characteristic with higher.
Embodiment 2
A kind of High-strength waterproof corrugated board production technique and its application in carton, the wherein preparation of corrugated boardTechnique includes the following steps.
S1: body paper is heated using heater.Package body paper is placed on feed appliance, paper is conveyed from feed applianceTo heating roller, paper is heated using heating roller during transportation, paper is made to soften, is conducive to following process.AddHot temperature is at 55 DEG C.
S2: embossed is carried out to the body paper after heating using Corrugator roller, to form the corrugated paper of ripple type.
S3: the corrugated paper of the corrugated paper of smooth type and ripple type is pasted using modified corn starch glue, is obtained two layersCorrugated paper.Modified corn starch glue is ready-to-use glue, takes commercially available cornstarch glue, mixes in the cornstarch glueThere is sodium hydroxide, bis- [3- diphenylphosphinomethyl -4- first that weight ratio is 3% are being added into cornstarch glue using precedingOxy-1-naphthalene] methane cupric perchlorate complex compound, specially ammino-complex, heat under the conditions of 40-50 DEG C and are mixedIt is even, obtain modified corn starch glue.When stickup, change uniformly being coated without the processed smooth type corrugated paper surface of Corrugator rollerProperty cornstarch glue, then mutually pasted with the ripple type corrugated paper after Corrugator roller is processed, obtain two layers of corrugated paper.
S4: being pasted two pieces of two layers of corrugated papers obtained in step S3 using modified corn starch glue, can be rightClaiming to paste asymmetric can also paste, and obtain four-layer corrugated paper board.Wherein in the preparation process and S3 of modified corn starch glueIt is identical, sticking operation can also be carried out in certain other embodiments, according to actual needs to obtain five layers or more of corrugationCardboard.
S4 ': modified corn starch glue is coated in the side wall of corrugated board.Due to containing watt of ripple type in corrugated boardStupefied paper, therefore, corrugated board after molding are in hollow form, and the corrugated case being assembled into using this corrugated board is by rainWhen water-soaked, moisture easily enters in corrugated board from the side wall hollow part of corrugated board, the feelings for causing carton water suction to get wet, softenCondition influences paper board strength.And the present invention corrugated board side wall coat and filling-modified cornstarch glue, can be by corrugated paperThe side wall of plate blocks, and that breaks off moisture enters channel, improves the waterproof performance and intensity of corrugated board.
The High-strength waterproof corrugated board that above-mentioned preparation process produces is applied in the production of corrugated case, is obtainedCorrugated case also waterproof performance and high-strength characteristic with higher.