CN108824078A - A kind of preparation method of corrugated paper top sizing new material - Google Patents
A kind of preparation method of corrugated paper top sizing new material Download PDFInfo
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- CN108824078A CN108824078A CN201810719766.3A CN201810719766A CN108824078A CN 108824078 A CN108824078 A CN 108824078A CN 201810719766 A CN201810719766 A CN 201810719766A CN 108824078 A CN108824078 A CN 108824078A
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Classifications
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B31/00—Preparation of derivatives of starch
- C08B31/18—Oxidised starch
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G14/00—Condensation polymers of aldehydes or ketones with two or more other monomers covered by at least two of the groups C08G8/00 - C08G12/00
- C08G14/02—Condensation polymers of aldehydes or ketones with two or more other monomers covered by at least two of the groups C08G8/00 - C08G12/00 of aldehydes
- C08G14/04—Condensation polymers of aldehydes or ketones with two or more other monomers covered by at least two of the groups C08G8/00 - C08G12/00 of aldehydes with phenols
- C08G14/06—Condensation polymers of aldehydes or ketones with two or more other monomers covered by at least two of the groups C08G8/00 - C08G12/00 of aldehydes with phenols and monomers containing hydrogen attached to nitrogen
- C08G14/08—Ureas; Thioureas
-
- 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
- D21H19/00—Coated paper; Coating material
- D21H19/10—Coatings without pigments
- D21H19/14—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12
-
- 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
- D21H19/00—Coated paper; Coating material
- D21H19/10—Coatings without pigments
- D21H19/14—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12
- D21H19/24—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12 comprising macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
Abstract
The present invention relates to field of new material preparation, particularly with regard to a kind of preparation method of corrugated paper top sizing new material；Oxidized starch of the present invention compounds reaction with a kind of resin emulsion, has prepared a kind of corrugated paper top sizing new material；A kind of preparation method of corrugated paper top sizing new material disclosed in the method for the present invention, a kind of corrugated paper top sizing new material of this programme preparation, it is low in cost, it is corrosion-free to equipment when sizing, without free formaldehyde, viscosity stabilization, not easy to foaming, wet plucking effect is good, can be obviously improved the ring crush intensity and water repelling property of fluting medium.
Description
Technical field
The present invention relates to field of material preparation, particularly with regard to a kind of preparation method of corrugated paper top sizing new material.
Background technique
In corrugated paper production, by using reasonable papermaking chemical product, the matter of corrugated paper is can effectively improve and improved
Amount, meets the market demand, while can also improve speed, reduces cost, further increase the competitiveness of product, meet market need
It asks.Chemicals used in production of fluting base paper process mainly has several major class such as reinforcing agent, sizing agent.
CN106351056A discloses a kind of highly intensified corrugated paper production technology and comprises the steps of：Highly intensified corrugated paper first
Production technology comprises the steps of：It is equipped with raw material first and is crushed, paper pulp is made by grinding, then carries out paper pulp
The purified treatment that sieving is removed slag；Intensive treatment is implemented to the paper pulp of purified treatment；The paper pulp of intensive treatment is made into raw base paper again
Layer；Anti-wear agent is coated using coating machine to body paper base；Last drying and shaping is put in storage storage after forming product, using this hair
Corrugated paper intensity height is made in bright corrugated paper production technology, and long service life meets requirement, and technological design is reasonable, consumptive material
Measure low, production cost is low, is widely used in corrugated case body technique field.
CN107604744A provides a kind of corrugated paper additives used for producing, is related to corrugated paper processing technology field,
It is characterized in that：It is made up of the following materials in parts by weight, 14-18 parts of resin, 5-10 parts of defoaming agent, 5-9 parts of coupling agent, modified graphite
7-11 parts of powder, 2-5 parts of 3- potassium phenylsulphonyl benzene sulfonate, 3-7 parts of hexa, 1-4 parts of butyl acrylate, cobalt naphthenate 1-
3 parts, 2-5 parts of phenyl glycidyl ether, 27-32 parts of clear water.The method of the present invention is reasonable, easy to operate, product adhesive property is good,
It is nontoxic.
CN103556538A provides a kind of glue applying method of highly intensified corrugated paper, for solving existing corrugated paper Process of Applying Glue
The problem of starch glue application solution waste caused by middle sizing agent jelly reflux, pollution environment.The present invention includes preparing starch sizing agent
Two steps on corrugated paper paper are sprayed on by starch sizing agent.The present invention is sprayed starch sizing agent by atomizing sprayer
It is coated on corrugated paper paper, fundamentally avoids existing highly intensified corrugated paper top sizing using film transfer formula or immersion type
The problem of glue applying method bring starch fluid flows back, improves the utilization rate of starch sizing agent, the utilization rate of starch sizing agent reaches
It is utilized to 100%；To prevent starch sizing agent to be discharged into sewage plant, the difficulty of subsequent sewage treatment is reduced, has been saved at sewage
The energy and resource during reason.
Sizing agent domestic at present still based on the various sizing agents of rosin series, but due to the price of rosin it is continuous on
Rise so that sizing cost is also being continuously increased, and rosin series sizing agent is mostly glued in acid situation, to equipment corrosion compared with
Greatly, and the shortcomings that brightness reversion easy there are paper.
Summary of the invention
To solve the above-mentioned problems, the present invention provides a kind of preparation methods of corrugated paper top sizing new material.
A kind of preparation method of corrugated paper top sizing new material, technology of preparing scheme are as follows：
According to mass fraction, 50-60 parts of soluble starch, 1-5 parts of xanthan gum, 3-8 parts of Arabic gum are added to 90-
In 120 parts of water, stirring 30-50min is configured to starch milk, and the sodium hydroxide solution of 0.1mol/L is by the pH value of starch milk
Adjust neutrality；50-70 DEG C is then heated to, 3.5-6.5 parts of addition adds hydrogen peroxide, isothermal reaction 240- after addition
360min；Then pH value is adjusted to neutrality with hydrochloric acid solution, and the sodium sulfite aqueous solution of 30-40 parts of 10%-20% is added
Then termination reaction filters reactant, washing is dried afterwards three times, crushing obtains oxidation rubber powder；By the oxygen of obtained 20-30 part
Change rubber powder adds is heated to 80-90 DEG C with 300-400 parts of water after mixing, 10-30min is reacted, then by 100-200 parts
Resin emulsion, 2-7 parts of methenamine and 0.1-0.5 parts of soybean oil base ethyl morpholine nitrogen sulfovinate are added to reaction
In kettle, 40-60 DEG C of temperature control, it is stirred to react 60-80min, a kind of corrugated paper top sizing new material can be obtained.
The sodium hydroxide solution is that concentration is 3.5%-5.5%.
The concentration of hydrogen peroxide is 30%-35%.
The resin emulsion is prepared according to following scheme：
According to mass fraction, 200-300 parts of glyoxal solution and 10-15 parts of phenol are added in reaction kettle, stirred molten
Then solution ph is adjusted to 7-9 with 0.5-1.3 parts of hexamethylenetetramine, then 100-120 parts of urea is added by solution
Into reaction kettle, at room temperature, stirring 30-120min is uniformly dissolved；Then it is slowly warming up to 60-80 DEG C, by 5-10
The urea of part is added in reaction kettle, stirring 10-20min, after urea fully dissolved, adjusts pH value to 3-5, insulation reaction 120-
180min；30-50 DEG C is reduced the temperature to after completing reaction, 0.1-0.5 parts of polyoxypropylene pentaerythrite ether and 0.15- is added
0.35 part of 2,6- di-tert-butyl-4-methy phenol, 0.01-0.06 parts of fluorenylmethyloxycarbonyl succinimide, 0.03-0.09 parts
Polyoxymethylene melamine urea, 0.03-0.09 parts of (2S, 3aR, 7aS) -1H- octahydro indole-2-carboxylic acid hydrochlorides, 0.01-0.06
(R) -1,1- spiro indan -7,7- diphenol of part, and adjusting solution ph with sodium hydroxide solution is neutral, 50-80 DEG C of continuation
10-60min is stirred, a kind of resin emulsion can be obtained.
The glyoxal solution concentration is 30%-50%.
A kind of preparation method of corrugated paper top sizing new material disclosed in the method for the present invention, a kind of watt of this programme preparation
Stupefied paper top sizing new material, low in cost, when sizing, is corrosion-free to equipment, no free formaldehyde, viscosity stabilization, it is not easy to foaming,
Wet plucking effect is good, can be obviously improved the ring crush intensity and water repelling property of fluting medium.
Specific embodiment
The invention is described further below by specific embodiment：
Embodiment 1
A kind of preparation method of corrugated paper top sizing new material, technology of preparing scheme are as follows：
According to mass fraction, 55 parts of soluble starch, 3 parts of xanthan gum, 5 parts of Arabic gum are added to 105 parts of water
In, stirring 40min is configured to starch milk, and the sodium hydroxide solution of 0.1mol/L adjusts the pH value of starch milk to neutrality；
60 DEG C are then heated to, 4.5 parts of addition adds hydrogen peroxide, isothermal reaction 300min after addition；Then hydrochloric acid solution is used
PH value is adjusted to neutrality, and 15% sodium sulfite aqueous solution for being added 35 parts terminates reaction, then filters reactant, water
Wash three times afterwards dry, crush obtain oxidation rubber powder；Obtain 25 parts of oxidation rubber powder is added and is added after mixing with 350 parts of water
Heat reacts 20min, then by 150 parts of resin emulsion, 5 parts of methenamine and 0.3 part of soybean oil base ethyl to 85 DEG C
Quinoline nitrogen sulfovinate is added in reaction kettle, 50 DEG C of temperature control, is stirred to react 70min, and a kind of corrugated paper surface can be obtained
It is glued new material.
The sodium hydroxide solution is that concentration is 4.5%.
The concentration of hydrogen peroxide is 33%.
The resin emulsion is prepared according to following scheme：
According to mass fraction, 250 parts of glyoxal solution and 13 parts of phenol are added in reaction kettle, stirring and dissolving, then
Solution ph is adjusted to 8 with 0.9 part of hexamethylenetetramine, then 110 parts of urea is added in reaction kettle, in room temperature
Under the conditions of, stirring 35min is uniformly dissolved；Then 70 DEG C are slowly warming up to, is added in reaction kettle by 6 parts of urea, is stirred
15min after urea fully dissolved, adjusts pH value to 4, insulation reaction 150min；40 DEG C are reduced the temperature to after completing reaction, is added
0.3 part of polyoxypropylene pentaerythrite ether and 0.22 part of 2,6- di-tert-butyl-4-methy phenol, 0.04 part of fluorenylmethyloxycarbonyl
Succinimide, 0.07 part of polyoxymethylene melamine urea, 0.07 part of (2S, 3aR, 7aS) -1H- octahydro indole-2-carboxylic acid hydrochloric acid
Salt, 0.03 part of (R) -1,1- spiro indan -7,7- diphenol, and with sodium hydroxide solution adjust solution ph be it is neutral, 77 DEG C
Continue to stir 30min, a kind of resin emulsion can be obtained.
The glyoxal solution concentration is 40%.
The ring crush index for the test specimen made is 10.19 Nmg-1, ring crush index retention rate position after moisture absorption
89.37%。
Embodiment 2
A kind of preparation method of corrugated paper top sizing new material, technology of preparing scheme are as follows：
According to mass fraction, 50 parts of soluble starch, 1 part of xanthan gum, 3 parts of Arabic gum are added to 90 parts of water
In, stirring 30min is configured to starch milk, and the sodium hydroxide solution of 0.1mol/L adjusts the pH value of starch milk to neutrality；
50 DEG C are then heated to, 3.5 parts of addition adds hydrogen peroxide, isothermal reaction 240min after addition；Then hydrochloric acid solution is used
PH value is adjusted to neutrality, and 10% sodium sulfite aqueous solution for being added 30 parts terminates reaction, then filters reactant, water
Wash three times afterwards dry, crush obtain oxidation rubber powder；Obtain 20 parts of oxidation rubber powder is added and is added after mixing with 300 parts of water
Heat reacts 10min, then by 100 parts of resin emulsion, 2 parts of methenamine and 0.1 part of soybean oil base ethyl to 80 DEG C
Quinoline nitrogen sulfovinate is added in reaction kettle, 40 DEG C of temperature control, is stirred to react 60min, and a kind of corrugated paper surface can be obtained
It is glued new material.
The sodium hydroxide solution is that concentration is 3.5%.
The concentration of hydrogen peroxide is 30%.
The resin emulsion is prepared according to following scheme：
According to mass fraction, 200 parts of glyoxal solution and 10 parts of phenol are added in reaction kettle, stirring and dissolving, then
Solution ph is adjusted to 7 with 0.5 part of hexamethylenetetramine, then 100 parts of urea is added in reaction kettle, in room temperature
Under the conditions of, stirring 30min is uniformly dissolved；Then 60 DEG C are slowly warming up to, is added in reaction kettle by 5 parts of urea, is stirred
10min after urea fully dissolved, adjusts pH value to 3, insulation reaction 120min；30 DEG C are reduced the temperature to after completing reaction, is added
0.1 part of polyoxypropylene pentaerythrite ether and 0.15 part of 2,6- di-tert-butyl-4-methy phenol, 0.01 part of fluorenylmethyloxycarbonyl
Succinimide, 0.03 part of polyoxymethylene melamine urea, 0.03 part of (2S, 3aR, 7aS) -1H- octahydro indole-2-carboxylic acid hydrochloric acid
Salt, 0.01 part of (R) -1,1- spiro indan -7,7- diphenol, and with sodium hydroxide solution adjust solution ph be it is neutral, 50 DEG C
Continue to stir 10min, and adjusting solution ph with sodium hydroxide solution is neutrality, continues to stir 10min, a kind of tree can be obtained
Fat liquor.
The glyoxal solution concentration is 30%.
The ring crush index for the test specimen made is 10.16 Nmg-1, ring crush index retention rate position after moisture absorption
89.16%。
Embodiment 3
A kind of preparation method of corrugated paper top sizing new material, technology of preparing scheme are as follows：
According to mass fraction, 60 parts of soluble starch, 5 parts of xanthan gum, 8 parts of Arabic gum are added to 120 parts of water
In, stirring 50min is configured to starch milk, and the sodium hydroxide solution of 0.1mol/L adjusts the pH value of starch milk to neutrality；
70 DEG C are then heated to, 6.5 parts of addition adds hydrogen peroxide, isothermal reaction 360min after addition；Then hydrochloric acid solution is used
PH value is adjusted to neutrality, and 20% sodium sulfite aqueous solution for being added 40 parts terminates reaction, then filters reactant, water
Wash three times afterwards dry, crush obtain oxidation rubber powder；Obtain 30 parts of oxidation rubber powder is added and is added after mixing with 400 parts of water
Heat reacts 30min, then by 200 parts of resin emulsion, 7 parts of methenamine and 0.5 part of soybean oil base ethyl to 90 DEG C
Quinoline nitrogen sulfovinate is added in reaction kettle, 60 DEG C of temperature control, is stirred to react 80min, and a kind of corrugated paper surface can be obtained
It is glued new material.
The sodium hydroxide solution is that concentration is 5.5%.
The concentration of hydrogen peroxide is 35%.
The resin emulsion is prepared according to following scheme：
According to mass fraction, 300 parts of glyoxal solution and 15 parts of phenol are added in reaction kettle, stirring and dissolving, then
Solution ph is adjusted to 9 with 1.3 parts of hexamethylenetetramines, then 120 parts of urea is added in reaction kettle, in room temperature
Under the conditions of, stirring 40min is uniformly dissolved；Then 80 DEG C are slowly warming up to, is added in reaction kettle by 10 parts of urea, is stirred
20min after urea fully dissolved, adjusts pH value to 5, insulation reaction 180min；50 DEG C are reduced the temperature to after completing reaction, is added
0.5 part of polyoxypropylene pentaerythrite ether and 0.35 part of 2,6- di-tert-butyl-4-methy phenol, 0.06 part of fluorenylmethyloxycarbonyl
Succinimide, 0.09 part of polyoxymethylene melamine urea, 0.09 part of (2S, 3aR, 7aS) -1H- octahydro indole-2-carboxylic acid hydrochloric acid
Salt, 0.06 part of (R) -1,1- spiro indan -7,7- diphenol, and with sodium hydroxide solution adjust solution ph be it is neutral, 80 DEG C
Continue to stir 60min, a kind of resin emulsion can be obtained.
The glyoxal solution concentration is 50%.
The ring crush index for the test specimen made is 10.25 Nmg-1, ring crush index retention rate position after moisture absorption
91.24%。
Embodiment 4
According to mass fraction, 60 parts of soluble starch, 5 parts of xanthan gum, 8 parts of Arabic gum are added to 120 parts of water
In, stirring 50min is configured to starch milk, and the sodium hydroxide solution of 0.1mol/L adjusts the pH value of starch milk to neutrality；
70 DEG C are then heated to, 6.5 parts of addition adds hydrogen peroxide, isothermal reaction 360min after addition；Then hydrochloric acid solution is used
PH value is adjusted to neutrality, and 20% sodium sulfite aqueous solution for being added 40 parts terminates reaction, then filters reactant, water
Wash three times afterwards dry, crush obtain oxidation rubber powder；Obtain 30 parts of oxidation rubber powder is added and is added after mixing with 400 parts of water
Heat reacts 30min, then by 200 parts of resin emulsion, 7 parts of methenamine and 0.5 part of soybean oil base ethyl to 90 DEG C
Quinoline nitrogen sulfovinate is added in reaction kettle, 60 DEG C of temperature control, is stirred to react 80min, and a kind of corrugated paper surface can be obtained
It is glued new material.
The sodium hydroxide solution is that concentration is 4.5%.
The concentration of hydrogen peroxide is 30%.
The resin emulsion is prepared according to following scheme：
According to mass fraction, 200 parts of glyoxal solution and 10 parts of phenol are added in reaction kettle, stirring and dissolving, then
Solution ph is adjusted to 7 with 0.5 part of hexamethylenetetramine, then 100 parts of urea is added in reaction kettle, in room temperature
Under the conditions of, stirring 30min is uniformly dissolved；Then 60 DEG C are slowly warming up to, is added in reaction kettle by 5 parts of urea, is stirred
10min after urea fully dissolved, adjusts pH value to 3, insulation reaction 120min；30 DEG C are reduced the temperature to after completing reaction, is added
0.1 part of polyoxypropylene pentaerythrite ether and 0.21 part of 2,6- di-tert-butyl-4-methy phenol, 0.02 part of fluorenylmethyloxycarbonyl
Succinimide, 0.03 part of polyoxymethylene melamine urea, 0.03 part of (2S, 3aR, 7aS) -1H- octahydro indole-2-carboxylic acid hydrochloric acid
Salt, 0.06 part of (R) -1,1- spiro indan -7,7- diphenol, and with sodium hydroxide solution adjust solution ph be it is neutral, 80 DEG C
Continue to stir 60min, a kind of resin emulsion can be obtained.
The glyoxal solution concentration is 40%.
The ring crush index for the test specimen made is 9.89 Nmg-1, ring crush index retention rate position 89.20% after moisture absorption.
Embodiment 5
According to mass fraction, 50 parts of soluble starch, 1 part of xanthan gum, 3 parts of Arabic gum are added to 90 parts of water
In, stirring 30min is configured to starch milk, and the sodium hydroxide solution of 0.1mol/L adjusts the pH value of starch milk to neutrality；
50 DEG C are then heated to, 3.5 parts of addition adds hydrogen peroxide, isothermal reaction 240min after addition；Then hydrochloric acid solution is used
PH value is adjusted to neutrality, and 10% sodium sulfite aqueous solution for being added 30 parts terminates reaction, then filters reactant, water
Wash three times afterwards dry, crush obtain oxidation rubber powder；Obtain 20 parts of oxidation rubber powder is added and is added after mixing with 300 parts of water
Heat reacts 10min, then by 100 parts of resin emulsion, 2 parts of methenamine and 0.1 part of soybean oil base ethyl to 80 DEG C
Quinoline nitrogen sulfovinate is added in reaction kettle, 40 DEG C of temperature control, is stirred to react 60min, and a kind of corrugated paper surface can be obtained
It is glued new material.
The sodium hydroxide solution is that concentration is 3.8%.
The concentration of hydrogen peroxide is 33%.
The resin emulsion is prepared according to following scheme：
According to mass fraction, 300 parts of glyoxal solution and 15 parts of phenol are added in reaction kettle, stirring and dissolving, then
Solution ph is adjusted to 9 with 1.3 parts of hexamethylenetetramines, then 120 parts of urea is added in reaction kettle, in room temperature
Under the conditions of, stirring 40min is uniformly dissolved；Then 80 DEG C are slowly warming up to, is added in reaction kettle by 10 parts of urea, is stirred
20min after urea fully dissolved, adjusts pH value to 5, insulation reaction 180min；50 DEG C are reduced the temperature to after completing reaction, is added
0.2 part of polyoxypropylene pentaerythrite ether and 0.15 part of 2,6- di-tert-butyl-4-methy phenol, 0.01 part of fluorenylmethyloxycarbonyl
Succinimide, 0.09 part of polyoxymethylene melamine urea, 0.09 portion of (2S, 3aR, 7aS) -1H- octahydro indole-2-carboxylic acid salt
Hydrochlorate, 0.02 part of (R) -1,1- spiro indan -7,7- diphenol, and with sodium hydroxide solution adjust solution ph be it is neutral, 62
DEG C continue to stir 20min, a kind of resin emulsion can be obtained.
The glyoxal solution concentration is 35%.
The ring crush index for the test specimen made is 10.08Nmg-1, ring crush index retention rate position 89.12% after moisture absorption.
Comparative example 1
Polyoxymethylene melamine urea, the other the same as in Example 1 is not added.
The ring crush index for the test specimen made is 9.36Nmg-1, ring crush index retention rate position 84.38% after moisture absorption.
Comparative example 2
Fluorenylmethyloxycarbonyl succinimide, the other the same as in Example 1 is not added.
The ring crush index for the test specimen made is 8.99 Nmg-1, ring crush index retention rate position 84.27% after moisture absorption.
Comparative example 3
(2S, 3aR, 7aS) -1H- octahydro indole-2-carboxylic acid hydrochloride, the other the same as in Example 1 is not added.
The ring crush index for the test specimen made is 9.57 Nmg-1, ring crush index retention rate position 84.81% after moisture absorption.
Comparative example 4
(R) -1,1- spiro indan -7,7- diphenol is not added, the other the same as in Example 1.
The ring crush index for the test specimen made is 9.28 Nmg-1, ring crush index retention rate position 84.87% after moisture absorption.
Comparative example 5
2,6- di-tert-butyl-4-methy phenol, the other the same as in Example 1 is not added.
The ring crush index for the test specimen made is 8.11 Nmg-1, ring crush index retention rate position 73.79% after moisture absorption.
Claims (5)
1. a kind of preparation method of corrugated paper top sizing new material, technology of preparing scheme are as follows：
According to mass fraction, 50-60 parts of soluble starch, 1-5 parts of xanthan gum, 3-8 parts of Arabic gum are added to 90-
In 120 parts of water, stirring 30-50min is configured to starch milk, and the sodium hydroxide solution of 0.1mol/L is by the pH value of starch milk
Adjust neutrality；50-70 DEG C is then heated to, 3.5-6.5 parts of addition adds hydrogen peroxide, isothermal reaction 240- after addition
360min；Then pH value is adjusted to neutrality with hydrochloric acid solution, and the sodium sulfite aqueous solution of 30-40 parts of 10%-20% is added
Then termination reaction filters reactant, washing is dried afterwards three times, crushing obtains oxidation rubber powder；By the oxygen of obtained 20-30 part
Change rubber powder adds is heated to 80-90 DEG C with 300-400 parts of water after mixing, 10-30min is reacted, then by 100-200 parts
Resin emulsion, 2-7 parts of methenamine and 0.1-0.5 parts of soybean oil base ethyl morpholine nitrogen sulfovinate are added to reaction
In kettle, 40-60 DEG C of temperature control, it is stirred to react 60-80min, a kind of corrugated paper top sizing new material can be obtained.
2. a kind of preparation method of corrugated paper top sizing new material according to claim 1, it is characterised in that：Described
Sodium hydroxide solution is that concentration is 3.5%-5.5%.
3. a kind of preparation method of corrugated paper top sizing new material according to claim 1, it is characterised in that：Described
Concentration of hydrogen peroxide is 30%-35%.
4. a kind of preparation method of corrugated paper top sizing new material according to claim 1, it is characterised in that：Described
Resin emulsion is prepared according to following scheme：
According to mass fraction, 200-300 parts of glyoxal solution and 10-15 parts of phenol are added in reaction kettle, stirred molten
Then solution ph is adjusted to 7-9 with 0.5-1.3 parts of hexamethylenetetramine, then 100-120 parts of urea is added by solution
Into reaction kettle, at room temperature, stirring 30-120min is uniformly dissolved；Then it is slowly warming up to 60-80 DEG C, by 5-10
The urea of part is added in reaction kettle, stirring 10-20min, after urea fully dissolved, adjusts pH value to 3-5, insulation reaction 120-
180min；30-50 DEG C is reduced the temperature to after completing reaction, 0.1-0.5 parts of polyoxypropylene pentaerythrite ether and 0.15- is added
0.35 part of 2,6- di-tert-butyl-4-methy phenol, 0.01-0.06 parts of fluorenylmethyloxycarbonyl succinimide, 0.03-0.09 parts
Polyoxymethylene melamine urea, 0.03-0.09 parts of (2S, 3aR, 7aS) -1H- octahydro indole-2-carboxylic acid hydrochlorides, 0.01-0.06
(R) -1,1- spiro indan -7,7- diphenol of part, and adjusting solution ph with sodium hydroxide solution is neutral, 50-80 DEG C of continuation
10-60min is stirred, a kind of resin emulsion can be obtained.
5. a kind of preparation method of corrugated paper top sizing new material according to claim 4, it is characterised in that：Described
Glyoxal solution concentration is 30%-50%.
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| CN109487609A (en) * | 2018-12-28 | 2019-03-19 | 江苏理文造纸有限公司 | A kind of production method of the kraft liner cardboard paper of low basis weight |
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