CN108822761A - A kind of glue and its preparation process of constant pressure cryogenic corrugated board production - Google Patents
A kind of glue and its preparation process of constant pressure cryogenic corrugated board production Download PDFInfo
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- CN108822761A CN108822761A CN201810535853.3A CN201810535853A CN108822761A CN 108822761 A CN108822761 A CN 108822761A CN 201810535853 A CN201810535853 A CN 201810535853A CN 108822761 A CN108822761 A CN 108822761A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J103/00—Adhesives based on starch, amylose or amylopectin or on their derivatives or degradation products
- C09J103/02—Starch; Degradation products thereof, e.g. dextrin
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/02—Non-macromolecular additives
- C09J11/04—Non-macromolecular additives inorganic
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J11/00—Features of adhesives not provided for in group C09J9/00, e.g. additives
- C09J11/08—Macromolecular additives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/16—Halogen-containing compounds
- C08K2003/162—Calcium, strontium or barium halides, e.g. calcium, strontium or barium chloride
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/38—Boron-containing compounds
- C08K2003/387—Borates
Abstract
The invention discloses the glue and its preparation process of a kind of constant pressure cryogenic corrugated board production.Glue of the invention includes the raw material of following parts by weight:300-500 parts of tapioca, 30-40 parts of lye, 1-8 parts of anhydrous calcium chloride, 1000-1500 parts of water, 2-5 parts of borax, 0.1-2 parts of additive, 1-5 parts of stabilizer.The present invention promotes starch gluing, reduces the solubility of starch polymer, can reduce the gelatinization point of glue, the viscosity and stability of glue greatly improved by the way that anhydrous calcium chloride is added.Glue preparation process of the invention controls the temperature control of reaction system, hereinafter, water temperature is lower, the gelatinization point for the starch glue produced can be lower at 26 DEG C.Using glue of the invention corrugated board is prepared, cardboard stickiness is good, is not susceptible to high temperature deformation, while reducing the loss of equipment, and the energy conservation dosage of the energy and starch optimizes the working environment of worker.
Description
Technical field
The present invention relates to corrugated board glue technical fields, and in particular to a kind of glue of constant pressure cryogenic corrugated board production
Water and its preparation process.
Background technique
Corrugated board is also known as corrugated cardboard, is bonded by least one layer of corrugated paper and one layer of boxboard, has preferable
Elasticity and extensibility, mainly for the manufacture of carton, other sandwich and delicate articles packaging materials of carton.Amylan is with valence
Lattice are cheap, adhesive-preparing technology is easy, rate of drying is very fast, adapt to high-speed production is widely used in both domestic and external watt the advantages that requirement
Stupefied paper industry.But original amylan, there are following point, sizing material is easy to produce precipitating, during high temperature in use
Easy mildew damage, bond properties be not high.The above reason causes sizing material in production process to waste, and paperboard properties is unstable, even
It is significantly less than requirements of the national standard.To enhance its performance, the development work of modified starch adhesive is actively developed both at home and abroad, wherein useful
Alum, keto-aldehyde tree refer to, amine, sodium hypochlorite, odium stearate, sodium hydrogensulfite etc. are modified starch, achieves preferable effect
Fruit.
During corrugated board production, the common gelatinization point of starch is 62~72 DEG C, when using pasting on glue, usually
60-80 DEG C, starch is after gelatinization, the amylose penetrated from amylum body, with double helix during cooling down
Form is mutually wound, and the translucent gels of certain elasticity and intensity is formed with, just because of this retrogradation, so that starch gluing
Agent can adhere cardboard.But the common gelatinization point of starch is excessively high, can bring inconvenience.Firstly, glue is in fitting moment
High temperature is encountered, glue surface first solidifies, and forms a tunic shape protective layer and has lockked the moisture content in glue, makes moisture content in glue not
It easily effectively penetrates into paper fiber, to cause false fitting, or fitting is loosely；Secondly, paper fibre can be received because of high temperature
Contracting distortion, it is difficult to keep the original physical property of paper, the coefficient of expansion after glue is inhaled due to various paper is different, easily causes paper
It shrinks and generates warpage, paper causes to shrink in heat-setting process；Again, high temperature is big to the consume of mechanical equipment, also reduces
Machine precision is brought and produces the problems such as unstable；Finally, production temperature is excessively high, so that the operating environment of worker is bad, it is unfavorable
In the high-speed production of worker.Zhou Youming exists《The development of the modified corrugated board amylan of PVA》(chemistry and bonding, 1998 the 3rd
Phase) in, propose the Corn Starch Glue for using and being used for flow line production corrugated board for modifying agent preparation with polyvinyl alcohol (PVA)
Stick achieves preferable effect, but polyvinyl alcohol relative cost is higher, and process is also not easily controlled in practical application.
To sum up, on traditional high temperature and pressure glue paste that there are stickiness is poor, paper is easy to shrink, equipment loss greatly and operation
Many defects, the prior arts such as environment is bad still lack a kind of glue that can apply to constant pressure cryogenic corrugated board production.
Summary of the invention
For the present invention for defect existing for existing corrugation glue, providing one kind can apply to the life of constant pressure cryogenic corrugated board
The glue of production, technical solution of the present invention are specific as follows.
A kind of glue of constant pressure cryogenic corrugated board production, it is characterised in that, the raw material including following parts by weight:Cassava
300-500 parts of starch, 30-40 parts of lye, 1-8 parts of anhydrous calcium chloride, 1000-1500 parts of water, 2-5 parts of borax, additive
0.1-2 parts, 1-5 parts of stabilizer.
Preferably, the viscosity of the glue is 18-28 seconds, and glue Viscosity Measurement Methods are using No. 4 measuring cups in the present invention
Mensuration, this method are the measurement method of professional standard.
Calcium chloride CaCl is added in glue of the present invention2, this is inventor selects and repeatedly by big quantity of material
Test the scheme that can be realized better effect made.There is great amount of hydroxy group on starch molecule, mutually form hydrogen between hydroxyl
Key effect, makes it have adhesive property, but after starch adhesive is contacted with water, the molecular separating force of hydroxyl and hydrone is much larger than
Hydrogen bond action between hydroxyl, so that glue adhesive strength declines to a great extent.Although hydroxide is added in the mixture of starch and water
Sodium, the sodium ion (Na in sodium hydroxide NaOH+) reacting with the hydroxy combining in starch molecule destroys in starch hydroxyl
Part hydrogen bond, weaken the molecular force between starch polymer, promote the dispersion of starch molecule, facilitate starch molecule
Next bonding.But in comparison, calcium ion (Ca2+) than sodium ion (Na+) ion it is bigger, positive divalent can simultaneously with shallow lake
Two hydroxyls in powder are had an effect simultaneously, it is often more important that, calcium hydroxide Ca (OH)2It is a kind of substance for being insoluble in water, chlorine
Change calcium CaCl2It is all dissolved in water with sodium hydroxide NaOH, therefore, calcium ion (Ca2+) have an effect with the hydroxyl of starch polymer
Afterwards, it can promote to be united between starch molecule, promote starch gluing.Meanwhile chloride ion (Cl-) enhance whole system
Ionic strength reduces the solubility of starch polymer, and ionic strength is the measurement of effects of ion concentration, is owned in solution
The function of ion concentration when ionic compound is soluble in water, can be dissociated into ion.The concentration of Enthalpy of Electrolytes in Aqueous Solutions influences whether
The solubility of indissoluble salt can be greatly reduced especially when readily soluble salt is soluble in water in the solubility of other salts, and shadow
Loud degree of strength is known as ionic strength.Therefore, chloride ion (Cl-) amylan promoted by the ionic strength of enhancing system
It is glutinous.In addition, anhydrous calcium chloride water imbibition with super strength, can absorb the moisture content of own wt 300%, and have and stablize well
Property and coagulability, hardly react with other substances other than water.Therefore, after using calcium chloride, calcium ion (Ca2+) and chlorine
Ion (Cl-) collective effect, cause starch adhesion power to increase, and then significantly reduce the gelatinization point of starch.Paste of the invention
Change temperature be 40-50 DEG C, compared to traditional gelatinization point be 60-80 DEG C, reduce more than 10 to 20 spend, achieve it is biggish into
Step.
Preferably, the glue includes the raw material of following parts by weight：380-430 parts of tapioca, 38-40 parts of lye,
2-3 parts of anhydrous calcium chloride, 1200-1400 parts of water, 3-5 parts of borax, 0.5-1 parts of additive, 1-3 parts of stabilizer.Such ratio
The glue of configuration is applied to Hu Ji lower layer.Hu Ji lower layer starch accounting wants high, and bonding force is relatively strong.
Preferably, the glue includes the raw material of following parts by weight：300-340 parts of tapioca, 34-38 parts of lye,
4-6 parts of anhydrous calcium chloride, 1200-1400 parts of water, 2-5 parts of borax, 1-2 parts of additive, 1-5 parts of stabilizer.Such ratio is matched
The glue set can be applied to paste machine middle layer.Paste machine middle layer starch accounting is small compared with Hu Ji lower layer, and paste is relatively thicker, and bonding force is not so good as
Hu Ji lower layer.
Preferably, the glue includes the raw material of following parts by weight：350-400 parts of tapioca, 30-40 parts of lye,
1-2.5 parts of anhydrous calcium chloride, 1200-1400 parts of water, 1-3 parts of borax, 1-1.5 parts of additive, 1-5 parts of stabilizer.Such ratio
The glue of configuration can be applied to single-side machine.The content of starch of single-side machine is higher than paste machine middle layer, bonding force phase lower than Hu Ji lower layer
It is smaller than paste machine middle layer.
Preferably, further including gluing auxiliary agent, the weight ratio of the gluing auxiliary agent and the additive is 1:1-2.Addition
Agent can be used for defoaming or lubricating, but can reduce the viscosity of system, and therefore, gluing auxiliary agent is matched with additive, can be dropped
Influence of the low additive to system viscosity.
Preferably, the purity of the anhydrous calcium chloride is not less than 94%, the lye is the piece that purity is no less than 99%
Alkali and water are by weight 1:1 configures.
Preferably, the additive is polytetrafluoroethylene (PTFE)；The stabilizer is dibutyl tin dilaurate, two maleics
One or more combinations of diacid mono octyl ester di-n-butyl tin, two maleic acid mono octyl ester dioctyltins；The gluing
Auxiliary agent is sodium bentonite.
It is a further object of the invention to provide the preparation processes of above-mentioned corrugated board glue, and concrete scheme is as follows, packet
Include following steps：
(1) ripe slurry is prepared, water 1000-1500 parts is added into agitator, tapioca 300-500 is added after opening stirring
Part, 30-40 parts of lye are added in gradient, and sampling measures viscosity number, when making viscosity number 18-28 seconds of slurries, stop that alkali is added
Liquid cures starch completely under the action of sodium hydroxide；
(2) it is mixed with, ripe slurry prepared by step (1), in the case where lasting stirring, is added borax 2-5 parts, 2-5
1-5 parts of stabilizers and 1-8 parts of anhydrous calcium chlorides are added after being added additive 0.1-2 parts, 2-5 minutes after minute, persistently stir 5-
10 minutes；
(3) it stores, glue prepared by step (2) is transferred to spare in storage tank；
In above-mentioned steps, the temperature of mixed system is controlled at 26 DEG C or less.
Water temperature is lower, and the gelatinization point for the starch glue produced can be lower, so the present invention is cold water adhesive-preparing technology, glue
Gelatinization point is at 40-50 DEG C.And the glue of traditional corrugated board starch glue is by water temperature heating to 30 DEG C or more, is produced
Starch glue gelatinization point generally at 60-80 DEG C, be unable to satisfy the requirement of temperature production.
Preferably, gradient described in step (1) is incorporated as：15-20 parts of lye are first added, 5-10 is added after 5-8 minutes
2-5 parts of lye, 1-2 parts of lye after 2-3 minutes are added in part lye after 3-5 minutes, sampling measures viscosity, and the viscosity number of slurries reaches
Less than being added 0.5 part of lye after being 18-28 seconds, 2-3 minutes, the second sub-sampling measures viscosity, the viscosity number of slurries be not achieved for
0.5 part of lye is added second after 18-28 seconds, 2-3 minutes, continues to sample, when making viscosity number 18-28 seconds of slurries, stops
Lye is added.Gradient is added, that is, halves addition every time, and the temperature that can be reduced in lye adition process influences, and maintains body
The temperature of system at 26 DEG C hereinafter, simultaneously but also mixed liquor will not hot-spot, facilitate the curing of slurries.
Preferably, the step (2) is also added into gluing auxiliary agent, the gluing auxiliary agent and the additive synchronize add
Add, the weight ratio that weight and the additive is added is 1:1-2.
Beneficial effects of the present invention have：
(1) present invention can absorb itself first is that water imbibition with super strength by the way that anhydrous calcium chloride, anhydrous calcium chloride is added
The moisture content of weight 300%, and there is good stability and coagulability, hardly react with other substances other than water,
Second is that calcium ion (Ca2+) have an effect with the hydroxyl of starch polymer after, can promote to be united between starch molecule, promote
Starch gluing, third is that chloride ion (Cl-) ionic strength of whole system is enhanced, reduce the solubility of starch polymer, energy
The gelatinization point for enough reducing glue, greatly improved the viscosity and stability of glue；
(2) present invention use cold water adhesive-preparing technology, control reaction system temperature control at 26 DEG C hereinafter, water temperature is got over
Low, the gelatinization point for the starch glue produced can be lower.
(3) corrugated board is prepared using glue of the invention, cardboard stickiness is good, is not susceptible to high temperature deformation, drops simultaneously
The low loss of equipment, the energy conservation dosage of the energy and starch, optimizes the working environment of worker.
Specific embodiment
Specific embodiments of the present invention will be further explained below：
Prepare embodiment 1
(1) ripe slurry is prepared, water 1300kg is added into agitator, tapioca 400kg is added after opening stirring, is first added
10kg lye is added in 20kg lye after 8 minutes, 5kg lye, 2kg lye after 3 minutes are added after five minutes, and sampling measures viscosity
Value, the viscosity number of slurries is not achieved be 28 seconds, 2 minutes after be added 0.5kg lye, the second sub-sampling measures viscosity, slurries it is viscous
Angle value is not achieved be 28 seconds, 2 minutes after second 0.5kg lye is added, continue to sample, when making viscosity number 28 seconds of slurries,
Stop that lye is added, cures starch completely under the action of sodium hydroxide；
(2) be mixed with, by step (1) prepare ripe slurry, in the case where lasting stirring, be added borax 4kg, 5 minutes
Polytetrafluoroethylene (PTFE) 1.5kg is added afterwards, 1kg dibutyl tin dilaurate and 2.5kg anhydrous calcium chloride are added after 4 minutes, persistently stirs
It mixes 5-10 minutes；
(3) it stores, glue prepared by step (2) is transferred to spare in storage tank；In above-mentioned steps, by mixed system
Temperature control at 26 DEG C hereinafter, glue A1 is prepared.
Prepare embodiment 2
(1) ripe slurry is prepared, water 1300kg is added into agitator, tapioca 400kg is added after opening stirring, is first added
10kg lye is added in 20kg lye after 8 minutes, 5kg lye, 2kg lye after 3 minutes are added after five minutes, and sampling measures viscosity
Value, the viscosity number of slurries is not achieved be 28 seconds, 2 minutes after be added 0.5kg lye, the second sub-sampling measures viscosity, slurries it is viscous
Angle value is not achieved be 28 seconds, 2 minutes after second 0.5kg lye is added, continue to sample, when making viscosity number 28 seconds of slurries,
Stop that lye is added, cures starch completely under the action of sodium hydroxide；
(2) be mixed with, by step (1) prepare ripe slurry, in the case where lasting stirring, be added borax 4kg, 5 minutes
Polytetrafluoroethylene (PTFE) 1.5kg and sodium bentonite 1.5kg is added afterwards, 3kg dibutyl tin dilaurate and 2.5kg are added after 4 minutes
Anhydrous calcium chloride persistently stirs 5-10 minutes；
(3) it stores, glue prepared by step (2) is transferred to spare in storage tank；In above-mentioned steps, by mixed system
Temperature control at 26 DEG C hereinafter, glue A2 is prepared.
Prepare embodiment 3
(1) ripe slurry is prepared, water 1300kg is added into agitator, tapioca 380kg is added after opening stirring, is first added
10kg lye is added in 20kg lye after 8 minutes, 5kg lye, 2kg lye after 3 minutes are added after five minutes, and sampling measures viscosity
Value, the viscosity number of slurries is not achieved be 28 seconds, 2 minutes after be added 0.5kg lye, the second sub-sampling measures viscosity, slurries it is viscous
Angle value is not achieved be 28 seconds, 2 minutes after second 0.5kg lye is added, continue to sample, when making viscosity number 28 seconds of slurries,
Stop that lye is added, cures starch completely under the action of sodium hydroxide；
(2) be mixed with, by step (1) prepare ripe slurry, in the case where lasting stirring, be added borax 4kg, 5 minutes
Polytetrafluoroethylene (PTFE) 1.5kg and sodium bentonite 1.5kg is added afterwards, 3kg dibutyl tin dilaurate and 2.5kg are added after 4 minutes
Anhydrous calcium chloride persistently stirs 5-10 minutes；
(3) it stores, glue prepared by step (2) is transferred to spare in storage tank；In above-mentioned steps, by mixed system
Temperature control at 26 DEG C hereinafter, glue A3 is prepared.
Prepare embodiment 3
(1) ripe slurry is prepared, water 1300kg is added into agitator, tapioca 380kg is added after opening stirring, is first added
10kg lye is added in 20kg lye after 8 minutes, 5kg lye, 2kg lye after 3 minutes are added after five minutes, and sampling measures viscosity
Value, the viscosity number of slurries is not achieved be 27 seconds, 2 minutes after be added 0.5kg lye, the second sub-sampling measures viscosity, slurries it is viscous
Angle value is not achieved be 27 seconds, 2 minutes after second 0.5kg lye is added, continue to sample, when making viscosity number 27 seconds of slurries,
Stop that lye is added, cures starch completely under the action of sodium hydroxide；
(2) be mixed with, by step (1) prepare ripe slurry, in the case where lasting stirring, be added borax 4kg, 5 minutes
Afterwards be added polytetrafluoroethylene (PTFE) 0.75kg and sodium bentonite 0.75kg, after 4 minutes be added 2kg dibutyl tin dilaurate and
2.5kg anhydrous calcium chloride persistently stirs 5-10 minutes；
(3) it stores, glue prepared by step (2) is transferred to spare in storage tank；In above-mentioned steps, by mixed system
Temperature control at 26 DEG C hereinafter, glue A3 is prepared.
Prepare embodiment 4
(1) ripe slurry is prepared, water 1300kg is added into agitator, tapioca 400kg is added after opening stirring, is first added
10kg lye is added in 20kg lye after 8 minutes, 5kg lye, 2kg lye after 3 minutes are added after five minutes, and sampling measures viscosity
Value, the viscosity number of slurries is not achieved be 25 seconds, 2 minutes after be added 0.5kg lye, the second sub-sampling measures viscosity, slurries it is viscous
Angle value is not achieved be 25 seconds, 2 minutes after second 0.5kg lye is added, continue to sample, when making viscosity number 25 seconds of slurries,
Stop that lye is added, cures starch completely under the action of sodium hydroxide；
(2) be mixed with, by step (1) prepare ripe slurry, in the case where lasting stirring, be added borax 4kg, 5 minutes
Afterwards be added polytetrafluoroethylene (PTFE) 0.75kg and sodium bentonite 0.75kg, after 4 minutes be added 2kg dibutyl tin dilaurate and
2.5kg anhydrous calcium chloride persistently stirs 5-10 minutes；
(3) it stores, glue prepared by step (2) is transferred to spare in storage tank；In above-mentioned steps, by mixed system
Temperature control at 26 DEG C hereinafter, glue A4 is prepared.
Prepare embodiment 5
(1) ripe slurry is prepared, water 1300kg is added into agitator, tapioca 430kg is added after opening stirring, is first added
10kg lye is added in 20kg lye after 8 minutes, 5kg lye, 2kg lye after 3 minutes are added after five minutes, and sampling measures viscosity
Value, the viscosity number of slurries is not achieved be 23 seconds, 2 minutes after be added 0.5kg lye, the second sub-sampling measures viscosity, slurries it is viscous
Angle value is not achieved be 23 seconds, 2 minutes after second 0.5kg lye is added, continue to sample, when making viscosity number 23 seconds of slurries,
Stop that lye is added, cures starch completely under the action of sodium hydroxide；
(2) be mixed with, by step (1) prepare ripe slurry, in the case where lasting stirring, be added borax 4kg, 5 minutes
Afterwards be added polytetrafluoroethylene (PTFE) 0.75kg and sodium bentonite 0.75kg, after 4 minutes be added 2kg dibutyl tin dilaurate and
2.5kg anhydrous calcium chloride persistently stirs 5-10 minutes；
(3) it stores, glue prepared by step (2) is transferred to spare in storage tank；In above-mentioned steps, by mixed system
Temperature control at 26 DEG C hereinafter, glue A5 is prepared.
Prepare embodiment 6
(1) ripe slurry is prepared, water 1300kg is added into agitator, tapioca 300kg is added after opening stirring, is first added
9kg lye is added in 18kg lye after 8 minutes, 4kg lye, 2kg lye after 3 minutes are added after five minutes, and sampling measures viscosity
Value, the viscosity number of slurries is not achieved be 24 seconds, 2 minutes after be added 0.5kg lye, the second sub-sampling measures viscosity, slurries it is viscous
Angle value is not achieved be 24 seconds, 2 minutes after second 0.5kg lye is added, continue to sample, when making viscosity number 24 seconds of slurries,
Stop that lye is added, cures starch completely under the action of sodium hydroxide；
(2) be mixed with, by step (1) prepare ripe slurry, in the case where lasting stirring, be added borax 4kg, 5 minutes
Polytetrafluoroethylene (PTFE) 1.5kg and sodium bentonite 1.5kg is added afterwards, be added after 4 minutes 2kg dibutyl tin dilaurate and 5kg without
Water calcium chloride persistently stirs 5-10 minutes；
(3) it stores, glue prepared by step (2) is transferred to spare in storage tank；In above-mentioned steps, by mixed system
Temperature control at 26 DEG C hereinafter, glue A6 is prepared.
Prepare embodiment 7
(1) ripe slurry is prepared, water 1300kg is added into agitator, tapioca 320kg is added after opening stirring, is first added
9kg lye is added in 18kg lye after 8 minutes, 4kg lye, 2kg lye after 3 minutes are added after five minutes, and sampling measures viscosity
Value, the viscosity number of slurries is not achieved be 22 seconds, 2 minutes after be added 0.5kg lye, the second sub-sampling measures viscosity, slurries it is viscous
Angle value is not achieved be 22 seconds, 2 minutes after second 0.5kg lye is added, continue to sample, when making viscosity number 22 seconds of slurries,
Stop that lye is added, cures starch completely under the action of sodium hydroxide；
(2) be mixed with, by step (1) prepare ripe slurry, in the case where lasting stirring, be added borax 4kg, 5 minutes
Polytetrafluoroethylene (PTFE) 1.5kg and sodium bentonite 1.5kg is added afterwards, be added after 4 minutes 2kg dibutyl tin dilaurate and 5kg without
Water calcium chloride persistently stirs 5-10 minutes；
(3) it stores, glue prepared by step (2) is transferred to spare in storage tank；In above-mentioned steps, by mixed system
Temperature control at 26 DEG C hereinafter, glue A7 is prepared.
Prepare embodiment 8
(1) ripe slurry is prepared, water 1300kg is added into agitator, tapioca 340kg is added after opening stirring, is first added
9kg lye is added in 18kg lye after 8 minutes, 4kg lye, 2kg lye after 3 minutes are added after five minutes, and sampling measures viscosity
Value, the viscosity number of slurries is not achieved be 20 seconds, 2 minutes after be added 0.5kg lye, the second sub-sampling measures viscosity, slurries it is viscous
Angle value is not achieved be 20 seconds, 2 minutes after second 0.5kg lye is added, continue to sample, when making viscosity number 20 seconds of slurries,
Stop that lye is added, cures starch completely under the action of sodium hydroxide；
(2) be mixed with, by step (1) prepare ripe slurry, in the case where lasting stirring, be added borax 4kg, 5 minutes
Polytetrafluoroethylene (PTFE) 1.5kg and sodium bentonite 1.5kg is added afterwards, be added after 4 minutes 2kg dibutyl tin dilaurate and 5kg without
Water calcium chloride persistently stirs 5-10 minutes；
(3) it stores, glue prepared by step (2) is transferred to spare in storage tank；In above-mentioned steps, by mixed system
Temperature control at 26 DEG C hereinafter, glue A8 is prepared.
Prepare embodiment 9
(1) ripe slurry is prepared, water 1300kg is added into agitator, tapioca 350kg is added after opening stirring, is first added
10kg lye is added in 20kg lye after 8 minutes, 4kg lye, 2kg lye after 3 minutes are added after five minutes, and sampling measures viscosity
Value, the viscosity number of slurries is not achieved be 22 seconds, 2 minutes after be added 0.5kg lye, the second sub-sampling measures viscosity, slurries it is viscous
Angle value is not achieved be 22 seconds, 2 minutes after second 0.5kg lye is added, continue to sample, when making viscosity number 22 seconds of slurries,
Stop that lye is added, cures starch completely under the action of sodium hydroxide；
(2) be mixed with, by step (1) prepare ripe slurry, in the case where lasting stirring, be added borax 4kg, 5 minutes
Polytetrafluoroethylene (PTFE) 1.3kg and sodium bentonite 1.3kg is added afterwards, be added after 4 minutes 2kg dibutyl tin dilaurate and 2kg without
Water calcium chloride persistently stirs 5-10 minutes；
(3) it stores, glue prepared by step (2) is transferred to spare in storage tank；In above-mentioned steps, by mixed system
Temperature control at 26 DEG C hereinafter, glue A9 is prepared.
Prepare embodiment 10
(1) ripe slurry is prepared, water 1300kg is added into agitator, tapioca 370kg is added after opening stirring, is first added
10kg lye is added in 20kg lye after 8 minutes, 4kg lye, 2kg lye after 3 minutes are added after five minutes, and sampling measures viscosity
Value, the viscosity number of slurries is not achieved be 20 seconds, 2 minutes after be added 0.5kg lye, the second sub-sampling measures viscosity, slurries it is viscous
Angle value is not achieved be 20 seconds, 2 minutes after second 0.5kg lye is added, continue to sample, when making viscosity number 20 seconds of slurries,
Stop that lye is added, cures starch completely under the action of sodium hydroxide；
(2) be mixed with, by step (1) prepare ripe slurry, in the case where lasting stirring, be added borax 4kg, 5 minutes
Polytetrafluoroethylene (PTFE) 1.3kg and sodium bentonite 1.3kg is added afterwards, be added after 4 minutes 2kg dibutyl tin dilaurate and 2kg without
Water calcium chloride persistently stirs 5-10 minutes；
(3) it stores, glue prepared by step (2) is transferred to spare in storage tank；In above-mentioned steps, by mixed system
Temperature control at 26 DEG C hereinafter, glue A10 is prepared.
Prepare embodiment 11
(1) ripe slurry is prepared, water 1300kg is added into agitator, tapioca 400kg is added after opening stirring, is first added
10kg lye is added in 20kg lye after 8 minutes, 5kg lye, 2kg lye after 3 minutes are added after five minutes, and sampling measures viscosity
Value, the viscosity number of slurries is not achieved be 18 seconds, 2 minutes after be added 0.5kg lye, the second sub-sampling measures viscosity, slurries it is viscous
Angle value is not achieved be 18 seconds, 2 minutes after second 0.5kg lye is added, continue to sample, when making viscosity number 18 seconds of slurries,
Stop that lye is added, cures starch completely under the action of sodium hydroxide；
(2) be mixed with, by step (1) prepare ripe slurry, in the case where lasting stirring, be added borax 4kg, 5 minutes
Polytetrafluoroethylene (PTFE) 1.3kg and sodium bentonite 1.3kg is added afterwards, be added after 4 minutes 2kg dibutyl tin dilaurate and 2kg without
Water calcium chloride persistently stirs 5-10 minutes；
(3) it stores, glue prepared by step (2) is transferred to spare in storage tank；In above-mentioned steps, by mixed system
Temperature control at 26 DEG C hereinafter, glue A11 is prepared.
Application Example
Prepared A1-A11 glue is used in constant pressure cryogenic corrugated board production, wherein A1 and A2 is general glue,
A3-A5 is Hu Ji lower layer glue special, and A6-A8 is paste machine middle layer glue special, and A9-A11 is single-side machine glue special, in reality
In application process, upper paste temperature obtains result as shown in Table 1.
Gelatinization point of the invention is 40-50 DEG C, is 60-80 DEG C compared to traditional gelatinization point, reduces more than 10 to 20
Degree, achieves biggish progress.Simultaneously as the reduction of temperature, not only remains the physical property of paper, side to the utmost
15%-20% can be improved in Compressive Strength, and saves energy consumption, can reduce energy consumption 20%--30 ﹪, also saves starch fecula use
Amount can reduce powder consumption 15%--20 ﹪.
As preferred Application Example, constant pressure cryogenic corrugated board production technology, if produced by means of a set of watt of line
Temperature control system, then effect clearly, can save the energy and fecula to the maximum extent, guarantee the flatness of cardboard, promote physics
Performance
According to the disclosure and teachings of the above specification, those skilled in the art in the invention can also be to above-mentioned embodiment party
Formula is changed and is modified.Therefore, the invention is not limited to the specific embodiments disclosed and described above, to the one of invention
A little modifications and changes should also be as falling into the scope of the claims of the present invention.In addition, although being used in this specification
Some specific terms, these terms are merely for convenience of description, does not limit the present invention in any way.
Claims (10)
1. a kind of glue of constant pressure cryogenic corrugated board production, it is characterised in that, the raw material including following parts by weight:Para arrowroot
300-500 parts of powder, 30-40 parts of lye, 1-8 parts of anhydrous calcium chloride, 1000-1500 parts of water, 2-5 parts of borax, additive 0.1-2
Part, 1-5 parts of stabilizer.
2. glue according to claim 1, which is characterized in that the raw material including following parts by weight：Tapioca 380-430
Part, 38-40 parts of lye, 2-3 parts of anhydrous calcium chloride, 1200-1400 parts of water, 3-5 parts of borax, 0.5-1 parts of additive, stabilizer 1-
3 parts.
3. glue according to claim 1, which is characterized in that the raw material including following parts by weight：Tapioca 300-340
Part, 34-38 parts of lye, 4-6 parts of anhydrous calcium chloride, 1200-1400 parts of water, 2-5 parts of borax, 1-2 parts of additive, stabilizer 1-5
Part.
4. glue according to claim 1, which is characterized in that the raw material including following parts by weight：Tapioca 350-400
Part, 30-40 parts of lye, 1-2.5 parts of anhydrous calcium chloride, 1200-1400 parts of water, 1-3 parts of borax, 1-1.5 parts of additive, stabilizer
1-5 parts.
5. glue according to claim 1 or 2 or 3 or 4, which is characterized in that it further include gluing auxiliary agent, the gluing auxiliary agent
Weight ratio with the additive is 1:1-2.
6. glue according to claim 5, which is characterized in that the purity of the anhydrous calcium chloride is described not less than 94%
Lye is the piece alkali that purity is no less than 99% and water by weight 1:1 configures.
7. glue according to claim 5, which is characterized in that the additive is polytetrafluoroethylene (PTFE)；The stabilizer is
Dibutyl tin dilaurate, two maleic acid mono octyl ester di-n-butyl tins, two maleic acid mono octyl ester dioctyltins
One or more combinations；The gluing auxiliary agent is sodium bentonite.
8. the preparation process of any one of -7 glue according to claim 1, which is characterized in that include the following steps：
(1) ripe slurry is prepared, water 1000-1500 parts is added into agitator, is added tapioca 300-500 parts after opening stirring,
30-40 parts of lye are added in gradient, and sampling measures viscosity number, when making viscosity number 18-28 seconds of slurries, stop that lye is added, make
Starch cures completely under the action of sodium hydroxide；
(2) it is mixed with, ripe slurry prepared by step (1), in the case where lasting stirring, is added borax 2-5 parts, 2-5 minutes
1-5 parts of stabilizers and 1-8 parts of anhydrous calcium chlorides are added after being added additive 0.1-2 parts, 2-5 minutes afterwards, persistently stir 5-10 points
Clock；
(3) it stores, glue prepared by step (2) is transferred to spare in storage tank；
In above-mentioned steps, the temperature of mixed system is controlled at 26 DEG C hereinafter, the gelatinization point for the starch glue produced is 48
℃±2；Water temperature is lower, and the gelatinization point for the starch glue produced can be lower.
9. the preparation process of glue according to claim 8, which is characterized in that the gradient in the step (1) is added
For：15-20 parts of lye are first added, 5-10 parts of lye are added after 5-8 minutes, 2-5 parts of lye are added after 3-5 minutes, after 2-3 minutes
1-2 parts of lye, sampling measure viscosity, the viscosity number of slurries is not achieved be 18-28 second, 2-3 minutes after 0.5 part of lye of addition, the
Secondary sample, measure viscosity, the viscosity number of slurries is not achieved be 18-28 second, 2-3 minute after for the second time addition 0.5 part of lye, after
Continuous sampling when making viscosity number 18-28 seconds of slurries, stops that lye is added.
10. the preparation process of glue according to claim 8, which is characterized in that the step (2) is also added into gluing and helps
Agent, the gluing auxiliary agent is synchronous with the additive to be added, and the weight ratio that weight and the additive is added is 1:1-2.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109810650A (en) * | 2018-12-29 | 2019-05-28 | 上海永盛包装有限公司 | A kind of tapioca glue and its production method |
| CN109880534A (en) * | 2019-03-26 | 2019-06-14 | 唐丙振 | A kind of corrugation paper-hanging and its preparation method and application |
| CN110128969A (en) * | 2019-04-10 | 2019-08-16 | 四川港大工贸有限公司 | Low temperature paper starch adhesive and preparation method thereof |
| CN110126360A (en) * | 2019-04-10 | 2019-08-16 | 四川港大工贸有限公司 | A kind of low-temperature production process of corrugated board |
| CN112457801A (en) * | 2020-11-24 | 2021-03-09 | 张家港市欣发包装有限责任公司 | Low-temperature glue making method for reducing heat of composite forming of paperboard |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109810650A (en) * | 2018-12-29 | 2019-05-28 | 上海永盛包装有限公司 | A kind of tapioca glue and its production method |
| CN109880534A (en) * | 2019-03-26 | 2019-06-14 | 唐丙振 | A kind of corrugation paper-hanging and its preparation method and application |
| CN110128969A (en) * | 2019-04-10 | 2019-08-16 | 四川港大工贸有限公司 | Low temperature paper starch adhesive and preparation method thereof |
| CN110126360A (en) * | 2019-04-10 | 2019-08-16 | 四川港大工贸有限公司 | A kind of low-temperature production process of corrugated board |
| CN112457801A (en) * | 2020-11-24 | 2021-03-09 | 张家港市欣发包装有限责任公司 | Low-temperature glue making method for reducing heat of composite forming of paperboard |
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