CN109989292A - A kind of preparation method of starch base sticking agent - Google Patents
A kind of preparation method of starch base sticking agent Download PDFInfo
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- CN109989292A CN109989292A CN201910154008.6A CN201910154008A CN109989292A CN 109989292 A CN109989292 A CN 109989292A CN 201910154008 A CN201910154008 A CN 201910154008A CN 109989292 A CN109989292 A CN 109989292A
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- 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
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- C08B31/00—Preparation of derivatives of starch
- C08B31/18—Oxidised starch
- C08B31/185—Derivatives of oxidised starch, e.g. crosslinked oxidised starch
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- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F251/00—Macromolecular compounds obtained by polymerising monomers on to polysaccharides or derivatives thereof
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
- D21C9/008—Prevention of corrosion or formation of deposits on pulp-treating equipment
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/03—Non-macromolecular organic compounds
- D21H17/05—Non-macromolecular organic compounds containing elements other than carbon and hydrogen only
- D21H17/07—Nitrogen-containing compounds
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/20—Macromolecular organic compounds
- D21H17/21—Macromolecular organic compounds of natural origin; Derivatives thereof
- D21H17/24—Polysaccharides
- D21H17/28—Starch
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/20—Macromolecular organic compounds
- D21H17/33—Synthetic macromolecular compounds
- D21H17/46—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D21H17/54—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen
- D21H17/56—Polyamines; Polyimines; Polyester-imides
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/63—Inorganic compounds
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/63—Inorganic compounds
- D21H17/66—Salts, e.g. alums
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/71—Mixtures of material ; Pulp or paper comprising several different materials not incorporated by special processes
- D21H17/74—Mixtures of material ; Pulp or paper comprising several different materials not incorporated by special processes of organic and inorganic material
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- 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
- D21H21/02—Agents for preventing deposition on the paper mill equipment, e.g. pitch or slime control
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- 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
- D21H21/06—Paper forming aids
- D21H21/10—Retention agents or drainage improvers
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Abstract
The present invention relates to a kind of preparation methods of starch base sticking agent, belong to sticking agent technical field.Acrylamide and polyethyleneimine blended cross linking in the present invention, in gelatinization process, destroy the crumb structure of starch, the profit of starch granule is caused to rise, promote starch molecule to be hydrated and dissolve, contains hydroxyl in starch molecule and cross-linking agent, therefore hydrogen bond can be formed between starch molecule and cross-linking agent, hydrogen bond plays the role of the grafting between starch molecule and cross-linking agent, and starch base sticking agent obtained in this way has many advantages, such as preferably caking property, mobility and anticoagulant jelly property；Branch that is flexible and having good action with plant fiber is introduced in rigid starch molecular structure, make starch base sticking agent obtained not only with cationic groups, and have it is more, be easier to the group to interact with fiber, further increase its humidification to paper.
Description
Technical field
The present invention relates to a kind of preparation methods of starch base sticking agent, belong to sticking agent technical field.
Background technique
With secondary stock and the increase of high yield pulp use ratio and the raising of white water system degree, inevitably
Cause to dissolve the gradually accumulation with colloidal substance (DCS) in the system of manufacturing paper with pulp, deposition problems can give wet end of machine and paper quality
Bring great adverse effect.
Under normal circumstances, DCS is mainly the anionic trash substance of negatively charged, and there are many kinds of its sources, wherein
It include: the substance that pulping wood and bleaching process dissolve or disperse；It dissolves or disperses in slurry fine grinding and storage process
Substance；From other materials such as clear water, papermaking chemical product, broken and secondary reclaimed fibres；The dirt of plain boiled water sealing circulation collection
Contaminate object etc..
The primary method that controlling DCS influences is to avoid their generation, strives solving or reducing its generation from source, such as
Optimize pulping process, especially control bleaching endpoint pH and drift damage；Strengthening pulp washes paint；Shorten paper pulp under alkaline condition
With the period of storage of hot stage；Improve the retention of various components in paper stock；Plain boiled water is purified, plain boiled water is handled.But it is molten
Solution is inevitable with colloidal substance, is usually removed by the method for biological or chemical.
The deposition of gluing object is mainly controlled using following three kinds of chemical methodes under normal circumstances:
(1) dispersion method, by the way that dispersing agent or surfactant is added come stable colloid substance；
(2) (viscosity reduction type) method is adsorbed, reduces the viscosity of colloidal substance by the way that thinner is added；
(3) fixed method, with a kind of high charge, the cationic polymer of low molecular weight in conjunction with pollutant and is fixed in paper
Page takes system out of above.
Fixed method most has been widely adopted because its is easy to use, effect is preferable.The action principle of fixed method mainly utilizes
The cationic polymer of high charge density, low molecular weight is reacted with anionic pollutant, and pollutant is combined, keeps or is fixed on
On fiber, to take system out of, have the function that purification systems.
The sticking agent that is referred to as of anionic trash is acted on using fixed method, sticking agent can be generally divided into inorganic fixation
Agent, organic bath class sticking agent and natural polymer subclass sticking agent three categories.Producing main for starch base sticking agent includes forming sediment
Two technologies of cationization and low molecule quantization of powder.
For sticking agent, generally has and be characterized in low molecular weight and high charge density, and degree of substitution is lower
Cationic starch is obviously unable to satisfy this requirement, so under study for action, the exploitation of this product of cationic starch with high substitution degree
It is referred to more and more by researcher with application and achieves certain achievement.
Summary of the invention
The technical problems to be solved by the invention: easily make slurry overflocculation for existing sticking agent, lead to formation of sheet
The problem of being deteriorated with intensity, provides a kind of preparation method of starch base sticking agent.
In order to solve the above technical problems, the technical solution adopted by the present invention is that:
(1) in mass ratio 2: 5 starch is mixed with deionized water, 10~20min is stirred by ultrasonic to get dispersion liquid, adjusts dispersion
For the pH value of liquid to get starch emulsion, taking starch emulsion, copper sulphate, mass fraction is 10% hydrogenperoxide steam generator, mass fraction 10%
Sodium sulfite solution, quaternary ammonium type etherifying agent mix starch emulsion, copper sulphate and mass fraction for 10% hydrogenperoxide steam generator, water
Stir process is bathed to get reaction solution, 10% sodium sulfite solution of mass fraction and quaternary ammonium type etherifying agent are added dropwise in reaction solution, is protected
Warm reaction treatment filters to obtain filter residue to get suspension, and filter residue is carried out carrying out washing treatment, is placed in the baking that temperature is 50~60 DEG C
It dries in case to constant weight, is cooled to room temperature, grind to get modified starch；
(2) acrylamide, polyethyleneimine, modified starch, potassium peroxydisulfate, deionized water are taken, by modified starch and deionized water
It is uniformly mixed to get mixed liquor, mixed liquor is subjected to gelatinization processing to get dextrin, polyethylene is sequentially added in dextrin
Acrylamide constant temperature stir process is added to get base fluid in imines and potassium peroxydisulfate stir process in base fluid, filters to obtain precipitating,
It is precipitated 3~4 times with deionized water repeated flushing, is placed in dry in the baking oven that temperature is 60 DEG C to constant weight and consolidate to get starch base
Agent.
The step of pH value of dispersion liquid is adjusted described in step (1) are as follows: the sodium hydroxide solution tune for being 10% with mass fraction
The pH value for saving dispersion liquid is 9~10.
Starch emulsion described in step (1), copper sulphate, mass fraction are 10% hydrogenperoxide steam generator, 10% Asia of mass fraction
Ratio between metabisulfite solution, quaternary ammonium type etherifying agent is respectively as follows: according to parts by weight, weighs 50~60 parts of starch milks respectively
Liquid, 0.1~0.3 part of copper sulphate, 1~3 part of mass fraction are 10% hydrogenperoxide steam generator, 0.2~0.5 part of 10% sulfurous of mass fraction
Acid sodium solution, 1~10 portion of quaternary ammonium type etherifying agent.
Starch emulsion, copper sulphate and mass fraction are mixed for 10% hydrogenperoxide steam generator described in step (1), water-bath is stirred
Mix processing step are as follows: mix starch emulsion, copper sulphate and mass fraction for 10% hydrogenperoxide steam generator, being placed in temperature is 45
1~2h of water-bath magnetic agitation at~55 DEG C.
10% sodium sulfite solution of mass fraction and quaternary ammonium type etherifying agent, heat preservation is added dropwise described in step (1) in reaction solution
Reaction treatment step are as follows: 10% sodium sulfite solution of mass fraction and quaternary ammonium type etherifying agent are added dropwise in reaction solution, is 80 in temperature
3~5h of insulation reaction at~85 DEG C.
The step of filter residue is subjected to carrying out washing treatment described in step (1) are as follows: with 80% ethanol washing filter residue to no chloride ion,
Silver nitrate solution is added up to no white precipitate generates in the filtrate washed.
Acrylamide described in step (2), polyethyleneimine, modified starch, potassium peroxydisulfate, the ratio between deionized water
It is respectively as follows: according to parts by weight, weighs 1~10 part of acrylamide, 1~10 part of polyethyleneimine, 40~50 parts of modified shallow lakes respectively
Powder, 1~3 part of potassium peroxydisulfate, 80~100 parts of deionized waters.
Mixed liquor is subjected to gelatinization processing step described in step (2) are as follows: it is at 80~90 DEG C that mixed liquor, which is placed in temperature,
It is gelatinized 20~30min.
Polyethyleneimine and potassium peroxydisulfate stir process step are sequentially added described in step (2) in dextrin are as follows:
Polyethyleneimine and potassium peroxydisulfate are sequentially added in dextrin, low whipping speed is that 1~2h is stirred under 100~180r/min.
Acrylamide constant temperature stir process step is added described in step (2) in base fluid are as follows: propylene is added in base fluid
Amide is 40~50 DEG C in temperature, is stirred to react 4~5h under nitrogen atmosphere.
The present invention is compared with other methods, and advantageous effects are:
(1) starch oxidation processing is prepared oxidized starch using hydrogen peroxide as oxidant by the present invention, oxidized starch and naturally
Starch is compared, and has the advantages that good fluidity, viscosity stability is high, and permeability is strong, and cohesive force is good, passes through oxidation, the Portugal of starch
The fracture of polyglycoside key, and hydroxyl is introduced, make it have good dispersibility, stability, caking property and cold flow properties；Starch
C of the molecule D-Glucose base under oxidant effect, on glucose unit6, C2、C3On hydroxyl be oxidized to aldehyde radical or carboxyl；
Due to C6On primary hydroxyl it is more active, the probability being oxidized be much larger than C2、C3On secondary hydroxyl；In meta-alkalescence medium, with
The progress of oxidation process, the aldehyde radical formed among reaction process can further be oxidized to carboxyl, due to the presence of carboxyl, make
It obtains oxidized starch to greatly improve than the adhesiveness of ative starch, simultaneously because carboxyl volume is larger, hinders the shape of intermolecular hydrogen bonding
At so that oxidized starch has, easily gelatinization, viscosity is low, retrogradation is weak, good film-forming property, the transparency of film are high and intensity is also high
The features such as；
(2) acrylamide and polyethyleneimine blended cross linking destroy the granule knot of starch in gelatinization process in the present invention
Structure causes the profit of starch granule to rise, and promotes starch molecule to be hydrated and dissolve, contains hydroxyl in starch molecule and cross-linking agent, because
This can form hydrogen bond between starch molecule and cross-linking agent, and hydrogen bond plays " grafting " between starch molecule and cross-linking agent work
With starch base sticking agent obtained in this way has many advantages, such as preferably caking property, mobility and anticoagulant jelly property；It forms sediment for cation
For powder graft copolymer, the strand of starch be it is semirigid, tap into polyacrylamide flexible in this skeleton macromolecular
Amine branch forms the net macromolecular tempered toughness with gentleness, and keeps its flocculation ability strong, and strand stability is good；In rigid starch molecule
Branch that is flexible and having good action with plant fiber is introduced in structure, makes starch base sticking agent obtained not only with cation
Property group, and have it is more, be easier to the group to interact with fiber, further increase its enhancing work to paper
With；Polyethyleneimine has higher reaction vigor, and simultaneously cross-linked polymeric can be reacted with the hydroxyl in cellulose, generates paper wet strong
Degree, and there is dry humidification；And paper pulp drainage can be accelerated, make fiber fines in plain boiled water be easy to flocculate, to acid dyes have compared with
Strong binding force can be used as color fixing agent when acid dyes dye paper, also can be used to handle glassine paper, paper be made to reduce dampening stretch；
(3) acrylamide crosspolymer modified cationic starch is not only needed containing suitable cationic groups in the present invention, but also
Also there is sufficient amount the group (such as hydroxyl, amide groups) of hydrogen bond, reasonable group proportion can be formed with the hydroxyl of cellulose
It is the final guarantee for playing humidification；(with anion contained by fiber under conditions of cation group quantity is met the requirements
Group is suitable), under same amount, the quantity for forming hydrogen bond group with fiber is more, and function and effect are better.
Specific embodiment
In mass ratio 2: 5 mix starch with deionized water, and 10~20min is stirred by ultrasonic to get dispersion liquid, with quality point
Number is 9~10 to get starch emulsion for the pH value of 10% sodium hydroxide solution adjusting dispersion liquid, according to parts by weight, is claimed respectively
Taking 50~60 parts of starch emulsions, 0.1~0.3 part of copper sulphate, 1~3 part of mass fraction is 10% hydrogenperoxide steam generator, 0.2~0.5
Starch emulsion, copper sulphate and mass fraction are by 10% sodium sulfite solution of part mass fraction, 1~10 portion of quaternary ammonium type etherifying agent
The mixing of 10% hydrogenperoxide steam generator, being placed in temperature is that 1~2h of water-bath magnetic agitation is reacting at 45~55 DEG C to get reaction solution
10% sodium sulfite solution of mass fraction and quaternary ammonium type etherifying agent are added dropwise in liquid, insulation reaction 3 at being 80~85 DEG C in temperature~
5h filters to obtain filter residue to get suspension, with 80% ethanol washing filter residue, is placed in the baking oven that temperature is 50~60 DEG C and dries extremely
Constant weight is cooled to room temperature, and is ground to get modified starch；According to parts by weight, 1~10 part of acrylamide, 1~10 are weighed respectively
Part polyethyleneimine, 40~50 portions of modified starches, 1~3 part of potassium peroxydisulfate, 80~100 parts of deionized waters, by modified starch and go
Ionized water is uniformly mixed to get mixed liquor, and it is that 20~30min is gelatinized at 80~90 DEG C to get gelatinization that mixed liquor, which is placed in temperature,
Liquid, sequentially adds polyethyleneimine and potassium peroxydisulfate in dextrin, low whipping speed be stirring 1 under 100~180r/min~
Acrylamide is added to get base fluid in 2h in base fluid, is 40~50 DEG C in temperature, is stirred to react 4~5h under nitrogen atmosphere, takes out
Filter to obtain precipitating, be precipitated 3~4 times with deionized water repeated flushing, be placed in temperature be dried in 60 DEG C of baking oven to constant weight to get
Starch base sticking agent.
In mass ratio 2: 5 mix starch with deionized water, and 10min is stirred by ultrasonic to get dispersion liquid, adjusts dispersion liquid
For pH value to get starch emulsion, taking starch emulsion, copper sulphate, mass fraction is 10% hydrogenperoxide steam generator, 10% sulfurous of mass fraction
Acid sodium solution, quaternary ammonium type etherifying agent mix starch emulsion, copper sulphate and mass fraction for 10% hydrogenperoxide steam generator, and water-bath is stirred
Processing is mixed to get reaction solution, 10% sodium sulfite solution of mass fraction and quaternary ammonium type etherifying agent are added dropwise in reaction solution, heat preservation is anti-
It should handle to get suspension, filter to obtain filter residue, filter residue is subjected to carrying out washing treatment, be placed in dry in the baking oven that temperature is 50 DEG C
It to constant weight, is cooled to room temperature, grinds to get modified starch；Take acrylamide, polyethyleneimine, modified starch, potassium peroxydisulfate,
Deionized water, modified starch and deionized water are uniformly mixed to get mixed liquor, and mixed liquor is carried out gelatinization processing to get paste
Change liquid, sequentially adds polyethyleneimine and potassium peroxydisulfate stir process in dextrin to get base fluid, propylene is added in base fluid
Amide constant temperature stir process filters to obtain precipitating, is precipitated 3 times with deionized water repeated flushing, is placed in the baking oven that temperature is 60 DEG C
Middle drying is to constant weight to get starch base sticking agent.The step of adjusting the pH value of dispersion liquid are as follows: the hydrogen-oxygen for being 10% with mass fraction
Changing sodium solution to adjust the pH value of dispersion liquid is 9.Starch emulsion, copper sulphate, mass fraction are 10% hydrogenperoxide steam generator, quality point
Ratio between several 10% sodium sulfite solutions, quaternary ammonium type etherifying agent is respectively as follows: according to parts by weight, weighs 50 parts of starch respectively
Lotion, 0.1 part of copper sulphate, 1 part of mass fraction are 10% hydrogenperoxide steam generator, 0.2 part of 10% sodium sulfite solution of mass fraction, 1
Part quaternary ammonium type etherifying agent.Starch emulsion, copper sulphate and mass fraction are mixed for 10% hydrogenperoxide steam generator, stirring in water bath processing
Step are as follows: starch emulsion, copper sulphate and mass fraction are mixed for 10% hydrogenperoxide steam generator, temperature is placed in and is lauched for 45 DEG C
Bathe magnetic agitation 1h.10% sodium sulfite solution of mass fraction and quaternary ammonium type etherifying agent, insulation reaction processing are added dropwise in reaction solution
Step are as follows: 10% sodium sulfite solution of mass fraction and quaternary ammonium type etherifying agent are added dropwise in reaction solution, is kept the temperature at being 80 DEG C in temperature
React 3h.The step of filter residue is subjected to carrying out washing treatment are as follows: with 80% ethanol washing filter residue to no chloride ion, the filtrate washed adds
Enter silver nitrate solution up to no white precipitate generates.Acrylamide, polyethyleneimine, modified starch, potassium peroxydisulfate, deionized water
Between ratio be respectively as follows: according to parts by weight, weigh respectively 1 part of acrylamide, 1 part of polyethyleneimine, 40 portions of modified starches,
1 part of potassium peroxydisulfate, 80 parts of deionized waters.Mixed liquor is subjected to gelatinization processing step are as follows: it is at 80 DEG C that mixed liquor, which is placed in temperature,
It is gelatinized 20min.Polyethyleneimine and potassium peroxydisulfate stir process step are sequentially added in dextrin are as follows: in dextrin successively
Polyethyleneimine and potassium peroxydisulfate is added, low whipping speed is to stir 1h under 100r/min.It is permanent that acrylamide is added in base fluid
Warm stir process step are as follows: acrylamide is added in base fluid, is 40 DEG C in temperature, is stirred to react 4h under nitrogen atmosphere.
In mass ratio 2: 5 mix starch with deionized water, and 15min is stirred by ultrasonic to get dispersion liquid, adjusts dispersion liquid
For pH value to get starch emulsion, taking starch emulsion, copper sulphate, mass fraction is 10% hydrogenperoxide steam generator, 10% sulfurous of mass fraction
Acid sodium solution, quaternary ammonium type etherifying agent mix starch emulsion, copper sulphate and mass fraction for 10% hydrogenperoxide steam generator, and water-bath is stirred
Processing is mixed to get reaction solution, 10% sodium sulfite solution of mass fraction and quaternary ammonium type etherifying agent are added dropwise in reaction solution, heat preservation is anti-
It should handle to get suspension, filter to obtain filter residue, filter residue is subjected to carrying out washing treatment, be placed in dry in the baking oven that temperature is 55 DEG C
It to constant weight, is cooled to room temperature, grinds to get modified starch；Take acrylamide, polyethyleneimine, modified starch, potassium peroxydisulfate,
Deionized water, modified starch and deionized water are uniformly mixed to get mixed liquor, and mixed liquor is carried out gelatinization processing to get paste
Change liquid, sequentially adds polyethyleneimine and potassium peroxydisulfate stir process in dextrin to get base fluid, propylene is added in base fluid
Amide constant temperature stir process filters to obtain precipitating, is precipitated 3 times with deionized water repeated flushing, is placed in the baking oven that temperature is 60 DEG C
Middle drying is to constant weight to get starch base sticking agent.The step of adjusting the pH value of dispersion liquid are as follows: the hydrogen-oxygen for being 10% with mass fraction
Changing sodium solution to adjust the pH value of dispersion liquid is 9.Starch emulsion, copper sulphate, mass fraction are 10% hydrogenperoxide steam generator, quality point
Ratio between several 10% sodium sulfite solutions, quaternary ammonium type etherifying agent is respectively as follows: according to parts by weight, weighs 55 parts of starch respectively
Lotion, 0.2 part of copper sulphate, 2 parts of mass fractions are 10% hydrogenperoxide steam generator, 0.3 part of 10% sodium sulfite solution of mass fraction, 5
Part quaternary ammonium type etherifying agent.Starch emulsion, copper sulphate and mass fraction are mixed for 10% hydrogenperoxide steam generator, stirring in water bath processing
Step are as follows: starch emulsion, copper sulphate and mass fraction are mixed for 10% hydrogenperoxide steam generator, temperature is placed in and is lauched for 50 DEG C
Bathe magnetic agitation 1h.10% sodium sulfite solution of mass fraction and quaternary ammonium type etherifying agent, insulation reaction processing are added dropwise in reaction solution
Step are as follows: 10% sodium sulfite solution of mass fraction and quaternary ammonium type etherifying agent are added dropwise in reaction solution, is kept the temperature at being 82 DEG C in temperature
React 4h.The step of filter residue is subjected to carrying out washing treatment are as follows: with 80% ethanol washing filter residue to no chloride ion, the filtrate washed adds
Enter silver nitrate solution up to no white precipitate generates.Acrylamide, polyethyleneimine, modified starch, potassium peroxydisulfate, deionized water
Between ratio be respectively as follows: according to parts by weight, weigh respectively 5 parts of acrylamides, 5 parts of polyethyleneimines, 45 portions of modified starches,
2 parts of potassium peroxydisulfates, 90 parts of deionized waters.Mixed liquor is subjected to gelatinization processing step are as follows: it is at 85 DEG C that mixed liquor, which is placed in temperature,
It is gelatinized 25min.Polyethyleneimine and potassium peroxydisulfate stir process step are sequentially added in dextrin are as follows: in dextrin successively
Polyethyleneimine and potassium peroxydisulfate is added, low whipping speed is to stir 1h under 140r/min.It is permanent that acrylamide is added in base fluid
Warm stir process step are as follows: acrylamide is added in base fluid, is 45 DEG C in temperature, is stirred to react 4h under nitrogen atmosphere.
In mass ratio 2: 5 mix starch with deionized water, and 20min is stirred by ultrasonic to get dispersion liquid, adjusts dispersion liquid
For pH value to get starch emulsion, taking starch emulsion, copper sulphate, mass fraction is 10% hydrogenperoxide steam generator, 10% sulfurous of mass fraction
Acid sodium solution, quaternary ammonium type etherifying agent mix starch emulsion, copper sulphate and mass fraction for 10% hydrogenperoxide steam generator, and water-bath is stirred
Processing is mixed to get reaction solution, 10% sodium sulfite solution of mass fraction and quaternary ammonium type etherifying agent are added dropwise in reaction solution, heat preservation is anti-
It should handle to get suspension, filter to obtain filter residue, filter residue is subjected to carrying out washing treatment, be placed in dry in the baking oven that temperature is 60 DEG C
It to constant weight, is cooled to room temperature, grinds to get modified starch；Take acrylamide, polyethyleneimine, modified starch, potassium peroxydisulfate,
Deionized water, modified starch and deionized water are uniformly mixed to get mixed liquor, and mixed liquor is carried out gelatinization processing to get paste
Change liquid, sequentially adds polyethyleneimine and potassium peroxydisulfate stir process in dextrin to get base fluid, propylene is added in base fluid
Amide constant temperature stir process filters to obtain precipitating, is precipitated 4 times with deionized water repeated flushing, is placed in the baking oven that temperature is 60 DEG C
Middle drying is to constant weight to get starch base sticking agent.The step of adjusting the pH value of dispersion liquid are as follows: the hydrogen-oxygen for being 10% with mass fraction
Changing sodium solution to adjust the pH value of dispersion liquid is 10.Starch emulsion, copper sulphate, mass fraction are 10% hydrogenperoxide steam generator, quality point
Ratio between several 10% sodium sulfite solutions, quaternary ammonium type etherifying agent is respectively as follows: according to parts by weight, weighs 60 parts of starch respectively
Lotion, 0.3 part of copper sulphate, 3 parts of mass fractions are 10% hydrogenperoxide steam generator, 0.5 part of 10% sodium sulfite solution of mass fraction, 10
Part quaternary ammonium type etherifying agent.Starch emulsion, copper sulphate and mass fraction are mixed for 10% hydrogenperoxide steam generator, stirring in water bath processing
Step are as follows: starch emulsion, copper sulphate and mass fraction are mixed for 10% hydrogenperoxide steam generator, temperature is placed in and is lauched for 55 DEG C
Bathe magnetic agitation 2h.10% sodium sulfite solution of mass fraction and quaternary ammonium type etherifying agent, insulation reaction processing are added dropwise in reaction solution
Step are as follows: 10% sodium sulfite solution of mass fraction and quaternary ammonium type etherifying agent are added dropwise in reaction solution, is kept the temperature at being 85 DEG C in temperature
React 5h.The step of filter residue is subjected to carrying out washing treatment are as follows: with 80% ethanol washing filter residue to no chloride ion, the filtrate washed adds
Enter silver nitrate solution up to no white precipitate generates.Acrylamide, polyethyleneimine, modified starch, potassium peroxydisulfate, deionized water
Between ratio be respectively as follows: according to parts by weight, weigh respectively 10 parts of acrylamides, 10 parts of polyethyleneimines, 50 parts modified form sediment
Powder, 3 parts of potassium peroxydisulfates, 100 parts of deionized waters.Mixed liquor is subjected to gelatinization processing step are as follows: it is 90 that mixed liquor, which is placed in temperature,
30min is gelatinized at DEG C.Polyethyleneimine and potassium peroxydisulfate stir process step are sequentially added in dextrin are as follows: in dextrin
Polyethyleneimine and potassium peroxydisulfate are sequentially added, low whipping speed is to stir 2h under 180r/min.Acryloyl is added in base fluid
Amine constant temperature stir process step are as follows: acrylamide is added in base fluid, is 50 DEG C in temperature, is stirred to react 5h under nitrogen atmosphere.
Reference examples: the starch base sticking agent of Dongguan company production.
The starch base sticking agent that example and reference examples are prepared is detected, specific detection is as follows:
Needlebush BCTMP and softwood pulp pulpboard are weighed, is torn up, is beaten respectively with Valley beater to 45 ° of SR, extracts slurry
Material, tears up equilibrium water conten.The needlebush BCTMP and softwood pulp being beaten are weighed by the mass ratio that oven-dry weight is 7: 3, is dredged
Solution, is made into the dense frame material of 1% slurry, starch base sticking agent made from different routes and PA solution is separately added into, in standard paper sheet formation
60g/m is copied on device2Handsheet.The evenness of paper is measured, it is quantitative.Paper tensile strength is measured according to GB/T453-2002.
Paper tear intensity is measured according to GB/T455.1-2002.Paper pop strength is measured according to GB/T454-2002.
Specific test result such as table 1.
1 performance characterization contrast table of table
| Detection project | Example 1 | Example 2 | Example 3 | Reference examples |
| Tensile index/Nm/g | 30 | 29.7 | 28.9 | 20 |
| Burst index/kpam2/g | 1.4 | 1.5 | 1.3 | 0.3 |
| Tear index/mNm2/g | 6.5 | 6.3 | 6.1 | 3.5 |
As shown in Table 1, starch base sticking agent prepared by the present invention makes paper have good tensile index, burst index and tearing
Index.
Claims (10)
1. a kind of preparation method of starch base sticking agent, it is characterised in that specific preparation step are as follows:
(1) in mass ratio 2: 5 starch is mixed with deionized water, 10~20min is stirred by ultrasonic to get dispersion liquid, adjusts dispersion
For the pH value of liquid to get starch emulsion, taking starch emulsion, copper sulphate, mass fraction is 10% hydrogenperoxide steam generator, mass fraction 10%
Sodium sulfite solution, quaternary ammonium type etherifying agent mix starch emulsion, copper sulphate and mass fraction for 10% hydrogenperoxide steam generator, water
Stir process is bathed to get reaction solution, 10% sodium sulfite solution of mass fraction and quaternary ammonium type etherifying agent are added dropwise in reaction solution, is protected
Warm reaction treatment filters to obtain filter residue to get suspension, and filter residue is carried out carrying out washing treatment, is placed in the baking that temperature is 50~60 DEG C
It dries in case to constant weight, is cooled to room temperature, grind to get modified starch；
(2) acrylamide, polyethyleneimine, modified starch, potassium peroxydisulfate, deionized water are taken, by modified starch and deionized water
It is uniformly mixed to get mixed liquor, mixed liquor is subjected to gelatinization processing to get dextrin, polyethylene is sequentially added in dextrin
Acrylamide constant temperature stir process is added to get base fluid in imines and potassium peroxydisulfate stir process in base fluid, filters to obtain precipitating,
It is precipitated 3~4 times with deionized water repeated flushing, is placed in dry in the baking oven that temperature is 60 DEG C to constant weight and consolidate to get starch base
Agent.
2. a kind of preparation method of starch base sticking agent according to claim 1, it is characterised in that: described in step (1)
The step of adjusting the pH value of dispersion liquid are as follows: the sodium hydroxide solution for being 10% with mass fraction adjust the pH value of dispersion liquid be 9~
10。
3. a kind of preparation method of starch base sticking agent according to claim 1, it is characterised in that: described in step (1)
Starch emulsion, copper sulphate, mass fraction are 10% hydrogenperoxide steam generator, 10% sodium sulfite solution of mass fraction, quaternary ammonium type etherificate
Ratio between agent is respectively as follows: according to parts by weight, weigh respectively 50~60 parts of starch emulsions, 0.1~0.3 part of copper sulphate, 1~
3 parts of mass fractions are 10% hydrogenperoxide steam generator, 0.2~0.5 part of 10% sodium sulfite solution of mass fraction, 1~10 part of quaternary ammonium type
Etherifying agent.
4. a kind of preparation method of starch base sticking agent according to claim 1, it is characterised in that: described in step (1)
Starch emulsion, copper sulphate and mass fraction are mixed for 10% hydrogenperoxide steam generator, stirring in water bath processing step are as follows: by starch milk
Liquid, copper sulphate and mass fraction are the mixing of 10% hydrogenperoxide steam generator, and being placed in temperature is water-bath magnetic agitation 1 at 45~55 DEG C
~2h.
5. a kind of preparation method of starch base sticking agent according to claim 1, it is characterised in that: described in step (1)
10% sodium sulfite solution of mass fraction and quaternary ammonium type etherifying agent, insulation reaction processing step are as follows: reacting are added dropwise in reaction solution
10% sodium sulfite solution of mass fraction and quaternary ammonium type etherifying agent are added dropwise in liquid, insulation reaction 3 at being 80~85 DEG C in temperature~
5h。
6. a kind of preparation method of starch base sticking agent according to claim 1, it is characterised in that: described in step (1)
The step of filter residue is subjected to carrying out washing treatment are as follows: with 80% ethanol washing filter residue to no chloride ion, silver nitrate is added in the filtrate washed
Solution is generated up to no white precipitate.
7. a kind of preparation method of starch base sticking agent according to claim 1, it is characterised in that: described in step (2)
Acrylamide, polyethyleneimine, modified starch, potassium peroxydisulfate, the ratio between deionized water are respectively as follows: according to parts by weight,
1~10 part of acrylamide, 1~10 part of polyethyleneimine, 40~50 portions of modified starches, 1~3 part of potassium peroxydisulfate, 80 are weighed respectively
~100 parts of deionized waters.
8. a kind of preparation method of starch base sticking agent according to claim 1, it is characterised in that: described in step (2)
Mixed liquor is subjected to gelatinization processing step are as follows: it is that 20~30min is gelatinized at 80~90 DEG C that mixed liquor, which is placed in temperature,.
9. a kind of preparation method of starch base sticking agent according to claim 1, it is characterised in that: described in step (2)
Polyethyleneimine and potassium peroxydisulfate stir process step are sequentially added in dextrin are as follows: polyethylene is sequentially added in dextrin
Imines and potassium peroxydisulfate, low whipping speed are that 1~2h is stirred under 100~180r/min.
10. a kind of preparation method of starch base sticking agent according to claim 1, it is characterised in that: described in step (2)
Acrylamide constant temperature stir process step is added in base fluid are as follows: acrylamide is added in base fluid, is 40~50 DEG C in temperature,
4~5h is stirred to react under nitrogen atmosphere.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109517275A (en) * | 2018-11-26 | 2019-03-26 | 铜陵熙成塑料制品有限公司 | A kind of paper plastic combined package bag material and preparation method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104086704A (en) * | 2014-06-13 | 2014-10-08 | 华南理工大学 | Starch grafted acrylamide and preparation method and application thereof |
| CN106087537A (en) * | 2016-05-20 | 2016-11-09 | 海安县金鑫纸业有限公司 | A kind of starch for paper-making/modified polyethyleneimine/polyacrylamide Mixture |
| CN106220746A (en) * | 2016-08-29 | 2016-12-14 | 上海东升新材料有限公司 | A kind of preparation method and applications of solution-type cationic starch |
| CN108659751A (en) * | 2018-06-05 | 2018-10-16 | 佛山皖阳生物科技有限公司 | A kind of preparation method of modified corn starch adhesive |
-
2019
- 2019-03-01 CN CN201910154008.6A patent/CN109989292A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104086704A (en) * | 2014-06-13 | 2014-10-08 | 华南理工大学 | Starch grafted acrylamide and preparation method and application thereof |
| CN106087537A (en) * | 2016-05-20 | 2016-11-09 | 海安县金鑫纸业有限公司 | A kind of starch for paper-making/modified polyethyleneimine/polyacrylamide Mixture |
| CN106220746A (en) * | 2016-08-29 | 2016-12-14 | 上海东升新材料有限公司 | A kind of preparation method and applications of solution-type cationic starch |
| CN108659751A (en) * | 2018-06-05 | 2018-10-16 | 佛山皖阳生物科技有限公司 | A kind of preparation method of modified corn starch adhesive |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109517275A (en) * | 2018-11-26 | 2019-03-26 | 铜陵熙成塑料制品有限公司 | A kind of paper plastic combined package bag material and preparation method thereof |
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