CN107254804B - A kind of preparation method of composite papermaking sticking agent - Google Patents
A kind of preparation method of composite papermaking sticking agent Download PDFInfo
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- CN107254804B CN107254804B CN201710424615.0A CN201710424615A CN107254804B CN 107254804 B CN107254804 B CN 107254804B CN 201710424615 A CN201710424615 A CN 201710424615A CN 107254804 B CN107254804 B CN 107254804B
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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
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/02—Material of vegetable origin
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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
- D21H17/14—Carboxylic acids; Derivatives thereof
- D21H17/15—Polycarboxylic acids, e.g. maleic acid
-
- 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
- D21H17/22—Proteins
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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
- D21H17/59—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 silicon
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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
- D21H17/63—Inorganic compounds
- D21H17/67—Water-insoluble compounds, e.g. fillers, pigments
- D21H17/69—Water-insoluble compounds, e.g. fillers, pigments modified, e.g. by association with other compositions prior to incorporation in the pulp or paper
-
- 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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Abstract
The present invention relates to a kind of preparation methods of composite papermaking sticking agent, belong to pulp and paper technology field.The present invention first by duck's down by surface treatment, dissolution, acid it is heavy and etc. dried object powder, it is again that raw material is mixed with potassium nitrate, anhydrous magnesium chloride etc., it is prepared into modification liquid, then perlite powder is mixed with modification liquid and impregnates and filters, it will be calcined after filter residue and drying, obtain modified expanded perlite, juice is obtained after then aloe is squeezed the juice and modified expanded perlite, dried object powder carry out Hybrid Heating, and cationic etherifying agent solution is added and is reacted, it finally obtains reactant and is evaporated to dry doubling crushing.Composite papermaking prepared by the present invention is not easy to make slurry overflocculation with sticking agent, is improved the evenness and intensity of paper, is had broad application prospects.
Description
Technical field
The present invention relates to a kind of preparation methods of composite papermaking sticking agent, belong to pulp and paper technology field.
Background technique
Mechanical pulp in the tackified fiber preform of paper industry, chemi-mechanical pulp, ratio increases year by year shared by secondary stock, greatly
The earth improves the utilization rate of fiber.However mechanical feedback can generate a large amount of fiber fines, lignin and resin leachable；Change
It learns mechanical pulp and contains anion hemicellulose, oxylignin, resin acid and fatty acid；There are the gluings such as ink particle in secondary stock
Object, these substances just constitute dissolution and the colloidal substance of negatively charged, accumulate by the continuous operation of paper feeding machine and at paper
Quality brings great adverse effect, while reducing the service efficiency of other functional paper making additives and Process Character paper making additive.
How to control dissolution and colloidal substance is an important directions of current chemical research.Factory generallys use chemical method to molten at present
Solution is controlled with colloidal substance.It is most widely used again with sticking agent method in chemical method, it is primarily referred to as small, positive with molecular weight
The stronger dissolution of anionic property is affixed on paper fibre by the high inorganic or organic bath of charge density with colloidal substance, so
The system of manufacturing paper with pulp is taken out of by the molding of l Water Paper page afterwards, is purified system.
Common sticking agent include aluminum sulfate, aluminium polychloride, polydimethyl diallyl ammonium chloride, polyethyleneimine and
Polyvinylamine etc., they all have the advantages that respective.But under normal conditions, inorganic aluminum sulfate and aluminium polychloride are in middle alkali
Property the effect manufactured paper with pulp in system be not so good as the polyeletrolyte of organic；It is increasingly depleted with petroleum resources, it is based on petroleum resources
Polydimethyl diallyl ammonium chloride, polyethyleneimine, polyvinylamine etc. will inevitably face and asked by what raw material was limited
Topic；And the starch base sticking agent based on natural macromolecule modification, raw material relatively convenient are easy to get, and have wider development prospect.And
And since starch has its unique molecular configuration, so that starch base sticking agent and paper pulp fiber and anion hemicellulose etc.
Carbohydrate dissolution has fabulous compatibility with colloidal substance, therefore can preferably remove dissolution and the glue in slurry
Body substance.But starch molecule amount is excessive, and the obtained highly cationic starch that is directly cationized is easy to make slurry overflocculation, leads
Formation of sheet and intensity is caused to be deteriorated.It is not easy to make paper making pulp overflocculation it would therefore be highly desirable to find one kind, improves paper strength and open
The sticking agent of evenness.
Summary of the invention
The technical problems to be solved by the invention: it for traditional paper grade (stock) sticking agent is easy that paper making pulp is made excessively to wad a quilt with cotton
The problem of coagulating, formation of sheet and intensity is caused to be deteriorated, provides a kind of preparation method of composite papermaking sticking agent.
In order to solve the above technical problems, the technical solution adopted by the present invention is that:
A kind of preparation method of composite papermaking sticking agent, it is characterised in that specifically preparation step is
(1) duck's down is weighed, duck's down, which is added in acetum, to be impregnated, and the solid was filtered, dry after washing, the duck after obtaining acidleach
Suede；
(2) duck's down after acidleach is added in solution of sodium bisulfite, filter cake is collected by filtration after heating and cooking, in mass ratio
Filter cake is added in sodium hydroxide solution 1:10, and urea is added, and supernatant is collected in centrifuge separation after stirring；
(3) pH that supernatant is adjusted with hydrochloric acid, is stirred, and filtering obtains filter residue, and filter residue and drying crushes, and sieving obtains drying
Object powder；
(4) according to parts by weight, respectively choose 1~3 part of potassium nitrate, 2~4 parts of anhydrous magnesium chlorides, 3~5 parts of oxalic acid, 10~
15 parts of dimethicones, 3~5 parts of dodecyl benzyl dimethyl ammonium chlorides and 300~400 parts of deionized waters, after being stirred
Obtain modification liquid；
(5) perlite powder is added in modification liquid 1:10 in mass ratio, perlite wet feed is filtered to obtain after immersion, drying is extremely
Water content in perlite wet feed is moved into calcining furnace after being 4~6% and is calcined, and is discharged after calcining, is collected to obtain modified expanded pearl
Rock；
(6) fresh aloe juicing is weighed, filtrate is collected, modified expanded perlite and dried object powder are added into filtrate,
Mixture is stirred to obtain, mixture pH is adjusted with sodium hydroxide solution, cationic etherifying agent, insulated and stirred after dropwise addition is added after adjusting
Reaction；
(7) it to after reaction, collect reactant, be placed in rotary evaporated to dryness in rotary evaporation instrument, discharges, collects
Material out crushes, and be sieved to obtain composite papermaking sticking agent.
The mass fraction of the solution of sodium bisulfite is 1%.
The urea quality is filter cake quality 3~5%
The pH value that the hydrochloric acid is adjusted is 3.5~4.0.
The calcination temperature is 1150~1250 DEG C.
The modified expanded perlite quality be filtrate quality 10~15%, dried object powder quality be filtrate quality 3~
5%, cationic etherifying agent quality is filtrate quality 8~10%.
The cationic etherifying agent is dodecyl benzyl dimethyl ammonium chloride.
The pH value that the sodium hydroxide solution is adjusted is 8.0~9.0.
The present invention is compared with other methods, and advantageous effects are:
(1) present invention using potassium nitrate, anhydrous magnesium chloride etc. for raw material mix modification liquid changes perlite
Property, so that the charge density contained in modified perlite is high, there is preferable anion garbage capturing agent, play well
Retention and drainage effect；
(2) polysaccharide and duck's down albumen of the invention by asparagus juice reacts, and the product of reaction can so adsorb well
Onto fiber, helps to form more hydrogen bonds between fiber in paper drying process, play bridging action between the fibers, form hydrogen
The fiber of key links up the burst index and tear index that paper can be improved between fibres-starch-fiber, and reacts
Object can be wrapped in modified pearl rock surface, and the perlite after package can generate better retention effect, hang simultaneously in slurry
The treatment effect of floating object improves paper it is also obvious that composite papermaking obtained is not easy to make slurry overflocculation with sticking agent
Evenness and intensity.
Specific embodiment
Duck's down is weighed, mass fraction is added in the duck's down dried by naturally dry after washing with water 2~4 times, in mass ratio 1:8
It is impregnated in 60% acetum, the solid was filtered after 20~30min of immersion, and is put into vacuum after being washed with deionized 2~3 times
In baking oven, dry 4~6h, the duck's down after obtaining acidleach at 40~45 DEG C；Quality is added in above-mentioned dried object by 1:10 in mass ratio
In 1% solution of sodium bisulfite of score, 20~30min is impregnated after being heated to 80~85 DEG C, filter cake is collected by filtration after immersion, by matter
Filter cake is added in 5% sodium hydroxide solution of mass fraction than 1:10 for amount, and 3~5% urea of filter cake quality is added, and is stirred 5
60~70 DEG C are heated to after~10min, supernatant is collected in centrifuge separation after 3~4h of insulated and stirred；With 10% hydrochloric acid tune of mass fraction
The pH value for saving above-mentioned supernatant is 3.5~4.0, and 30~40min is stirred after adjusting, filters, after obtaining filter residue, filter residue is put into
In baking oven, dry 5~7h, crushes after obtaining dried object at 40~45 DEG C, crosses 80~100 meshes, obtains dried object powder；By weight
Number meter chooses 1~3 part of potassium nitrate, 2~4 parts of anhydrous magnesium chlorides, 3~5 parts of oxalic acid, 10~15 parts of dimethicones, 3 respectively
~5 parts of dodecyl benzyl dimethyl ammonium chlorides and 300~400 parts of deionized waters, with 1000~1200r/min revolving speed after mixing
It is stirred 10~20min, modification liquid is obtained after stirring；It weighs and is crushed in perlite addition pulverizer, 80~100 meshes obtain precious excessively
Perlite powder is added in above-mentioned modification liquid by pearl rock powder end, in mass ratio 1:10, impregnate filter after 20~30h perlite is wet
Material, perlite wet feed is put into baking oven, and the dry water content into filter residue is 4~6%, moved into after dry and be preheated to 400~
In 500 DEG C of calcining furnace, and 1150~1250 DEG C are warming up to 5~10 DEG C/min heating rate, keep the temperature cooling after 10~20min
To room temperature, modified expanded perlite is collected to obtain in discharging；It weighs and squeezes the juice in fresh aloe addition juice extractor, filtering and collecting filter liquid,
The above-mentioned modified expanded perlite of filtrate quality 10~15% and 3~5% dried object powder of filtrate quality are added into filtrate, is heated to
70~80 DEG C, 15~20min is stirred, obtains mixture, and adjust mixture ph with 10% sodium hydroxide solution of mass fraction and be
8.0~9.0,8~10% mass fraction 5%2 of filtrate quality, 3- epoxypropyltrimethylchloride chloride solution, control are added dropwise after adjusting
Rate of addition is 2~4mL/min, and completion of dropwise addition insulated and stirred reacts 2~4h；To after reaction, be cooled to room temperature, collect anti-
Object is answered, reactant is put into rotary evaporation instrument, material is collected out in the rotary evaporated to dryness at 60~70 DEG C, discharging, will be gone out
Material is added in pulverizer and crushes, and obtains composite papermaking sticking agent after crossing 200~220 meshes.
Example 1
Duck's down is weighed, mass fraction 60% is added in the duck's down dried by naturally dry after washing with water 4 times, in mass ratio 1:8
It is impregnated in acetum, the solid was filtered after immersion 30min, and is put into vacuum drying oven after being washed with deionized 3 times, 45
Dry 6h, the duck's down after obtaining acidleach at DEG C；1:10 in mass ratio is molten by above-mentioned dried object addition 1% sodium hydrogensulfite of mass fraction
In liquid, 30min is impregnated after being heated to 85 DEG C, filter cake is collected by filtration after immersion, mass fraction is added in filter cake by 1:10 in mass ratio
In 5% sodium hydroxide solution, and 5% urea of filter cake quality is added, is stirred after 10min and is heated to 70 DEG C, after insulated and stirred 4h
Supernatant is collected in centrifuge separation；It is 4.0 with the pH value that 10% hydrochloric acid of mass fraction adjusts above-mentioned supernatant, is stirred after adjusting
40min, filtering, after obtaining filter residue, filter residue is put into baking oven, and dry 7h, crushes after obtaining dried object, sieve with 100 mesh sieve at 45 DEG C,
Obtain dried object powder；According to parts by weight, 3 parts of potassium nitrate, 4 parts of anhydrous magnesium chlorides, 5 parts of oxalic acid, 15 parts of dimethyl are chosen respectively
Silicone oil, 5 parts of dodecyl benzyl dimethyl ammonium chlorides and 400 parts of deionized waters, are stirred after mixing with 1200r/min revolving speed
20min obtains modification liquid after stirring；It weighs and is crushed in perlite addition pulverizer, perlite powder is sieved with 100 mesh sieve to obtain, by quality
Perlite powder is added in above-mentioned modification liquid than 1:10, perlite wet feed is filtered to obtain after impregnating 30h, perlite wet feed is put into
In baking oven, the dry water content into filter residue is 6%, moves into and is preheated in 500 DEG C of calcining furnace after dry, and with 10 DEG C/min
Heating rate is warming up to 1250 DEG C, is cooled to room temperature after keeping the temperature 20min, discharges, collects to obtain modified expanded perlite；It weighs fresh
Aloe is added in juice extractor and squeezes the juice, filtering and collecting filter liquid, and the above-mentioned modified expanded perlite of filtrate quality 15% is added into filtrate
With 5% dried object powder of filtrate quality, it is heated to 80 DEG C, stirs 20min, obtain mixture, and with 10% sodium hydroxide of mass fraction
It is 9.0 that solution, which adjusts mixture ph, and 10% mass fraction 5%2 of filtrate quality, 3- epoxypropyl trimethylammonium chloride are added dropwise after adjusting
Ammonium salt solution, control rate of addition are 4mL/min, and completion of dropwise addition insulated and stirred reacts 4h；To after reaction, be cooled to room temperature,
Reactant is collected, reactant is put into rotary evaporation instrument, the rotary evaporated to dryness at 70 DEG C, discharges, collects out material, it will
Material is added in pulverizer and crushes out, obtains composite papermaking sticking agent after crossing 220 meshes.
Example 2
Duck's down is weighed, mass fraction 60% is added in the duck's down dried by naturally dry after washing with water 2 times, in mass ratio 1:8
It is impregnated in acetum, the solid was filtered after immersion 20min, and is put into vacuum drying oven after being washed with deionized 2 times, 40
Dry 4h, the duck's down after obtaining acidleach at DEG C；1:10 in mass ratio is molten by above-mentioned dried object addition 1% sodium hydrogensulfite of mass fraction
In liquid, 20min is impregnated after being heated to 80 DEG C, filter cake is collected by filtration after immersion, mass fraction is added in filter cake by 1:10 in mass ratio
In 5% sodium hydroxide solution, and 3% urea of filter cake quality is added, is stirred after 5min and is heated to 60 DEG C, after insulated and stirred 3h from
The heart separates and collects supernatant；It is 3.5 with the pH value that 10% hydrochloric acid of mass fraction adjusts above-mentioned supernatant, is stirred after adjusting
30min, filtering, after obtaining filter residue, filter residue is put into baking oven, and dry 5h, crushes after obtaining dried object at 40 DEG C, crosses 80 meshes,
Obtain dried object powder；According to parts by weight, 1 part of potassium nitrate, 2 parts of anhydrous magnesium chlorides, 3 parts of oxalic acid, 10 parts of dimethyl are chosen respectively
Silicone oil, 3 parts of dodecyl benzyl dimethyl ammonium chlorides and 300 parts of deionized waters, are stirred after mixing with 1000r/min revolving speed
10min obtains modification liquid after stirring；It weighs and is crushed in perlite addition pulverizer, cross 80 meshes and obtain perlite powder, in mass ratio
Perlite powder is added in above-mentioned modification liquid 1:10, filters to obtain perlite wet feed after impregnating 20h, perlite wet feed is put into baking
In case, the dry water content into filter residue is 4%, moves into and is preheated in 400 DEG C of calcining furnace after dry, and with 5 DEG C/min heating
Rate is warming up to 1150 DEG C, is cooled to room temperature after keeping the temperature 10min, discharges, collects to obtain modified expanded perlite；Weigh fresh aloe
It is added in juice extractor and squeezes the juice, the above-mentioned modified expanded perlite of filtrate quality 10% and filter are added into filtrate for filtering and collecting filter liquid
3% dried object powder of liquid quality, is heated to 70 DEG C, stirs 15min, obtains mixture, and with 10% sodium hydroxide solution of mass fraction
Adjusting mixture ph is 8.0, and 8% mass fraction 5%2 of filtrate quality is added dropwise after adjusting, and 3- epoxypropyltrimethylchloride chloride is molten
Liquid, control rate of addition are 2mL/min, and completion of dropwise addition insulated and stirred reacts 2h；To after reaction, be cooled to room temperature, collect
Reactant is put into rotary evaporation instrument by reactant, the rotary evaporated to dryness at 60 DEG C, and discharging collects out material, will discharge
Object is added in pulverizer and crushes, and obtains composite papermaking sticking agent after crossing 200 meshes.
Example 3
Duck's down is weighed, mass fraction 60% is added in the duck's down dried by naturally dry after washing with water 3 times, in mass ratio 1:8
It is impregnated in acetum, the solid was filtered after immersion 25min, and is put into vacuum drying oven after being washed with deionized 2 times, 42
Dry 5h, the duck's down after obtaining acidleach at DEG C；1:10 in mass ratio is molten by above-mentioned dried object addition 1% sodium hydrogensulfite of mass fraction
In liquid, 25min is impregnated after being heated to 82 DEG C, filter cake is collected by filtration after immersion, mass fraction is added in filter cake by 1:10 in mass ratio
In 5% sodium hydroxide solution, and 4% urea of filter cake quality is added, is stirred after 7min and is heated to 65 DEG C, after insulated and stirred 4h from
The heart separates and collects supernatant；It is 3.7 with the pH value that 10% hydrochloric acid of mass fraction adjusts above-mentioned supernatant, is stirred after adjusting
38min, filtering, after obtaining filter residue, filter residue is put into baking oven, and dry 6h, crushes after obtaining dried object at 42 DEG C, crosses 90 meshes,
Obtain dried object powder；According to parts by weight, 2 parts of potassium nitrate, 3 parts of anhydrous magnesium chlorides, 4 parts of oxalic acid, 15 parts of dimethyl are chosen respectively
Silicone oil, 4 parts of dodecyl benzyl dimethyl ammonium chlorides and 300~400 parts of deionized waters, are stirred after mixing with 1100r/min revolving speed
Mixing 15min is mixed, modification liquid is obtained after stirring；It weighs and is crushed in perlite addition pulverizer, cross 90 meshes and obtain perlite powder, press
Perlite powder is added in above-mentioned modification liquid mass ratio 1:10, perlite wet feed is filtered to obtain after impregnating 25h, by perlite wet feed
Be put into baking oven, the dry water content into filter residue is 5%, move into and be preheated in 450 DEG C of calcining furnace after dry, and with 7 DEG C/
Min heating rate is warming up to 1200 DEG C, is cooled to room temperature after keeping the temperature 15min, discharges, collects to obtain modified expanded perlite；It weighs
Fresh aloe is added in juice extractor and squeezes the juice, filtering and collecting filter liquid, and the above-mentioned modified expanded treasure of filtrate quality 12% is added into filtrate
4% dried object powder of Zhu Yan and filtrate quality, is heated to 75 DEG C, stirs 16min, obtains mixture, and with 10% hydrogen-oxygen of mass fraction
Changing sodium solution to adjust mixture ph is 8.5, and 9% mass fraction 5%2 of filtrate quality, 3- epoxy are added dropwise after adjusting
Ammonium chloride solution, control rate of addition are 3mL/min, and completion of dropwise addition insulated and stirred reacts 3h；To after reaction, be cooled to room
Temperature is collected reactant, reactant is put into rotary evaporation instrument, the rotary evaporated to dryness at 65 DEG C, discharges, and collects discharging
Material out is added in pulverizer and crushes by object, obtains composite papermaking sticking agent after crossing 210 meshes.
Reference examples: starch base sticking agent
Example 1 to example 3 and reference examples sticking agent is added separately in paper grade (stock) oven dry stock, the amount of addition is oven dry stock
The 0.4% of quality after addition, carries out paper to it and copies.Example 1 to the paper that example 3 and reference examples obtain is examined
It surveys.
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.
Determination data such as table 1.
Table 1
As can be seen from Table 1, in paper grade (stock) oven dry stock, the anti-tensile for improving paper is strong for sticking agent addition prepared by the present invention
Degree, tearing strength and pop strength.
Claims (8)
1. a kind of preparation method of composite papermaking sticking agent, it is characterised in that specific preparation step are as follows:
(1) duck's down is weighed, duck's down, which is added in acetum, to be impregnated, and the solid was filtered, dry after washing, the duck's down after obtaining acidleach；
(2) duck's down after acidleach is added in solution of sodium bisulfite, filter cake, in mass ratio 1:10 is collected by filtration after heating and cooking
Filter cake is added in sodium hydroxide solution, and urea is added, supernatant is collected in centrifuge separation after stirring；
(3) pH that supernatant is adjusted with hydrochloric acid, is stirred, and filtering obtains filter residue, and filter residue and drying crushes, and sieving obtains dried object powder
End；
(4) according to parts by weight, 1~3 part of potassium nitrate, 2~4 parts of anhydrous magnesium chlorides, 3~5 parts of oxalic acid, 10~15 parts are chosen respectively
Dimethicone, 3~5 parts of dodecyl benzyl dimethyl ammonium chlorides and 300~400 parts of deionized waters, must change after being stirred
Property liquid；
(5) perlite powder is added in modification liquid 1:10 in mass ratio, and perlite wet feed is filtered to obtain after immersion, dry to pearl
Water content in rock wet feed is moved into calcining furnace after being 4~6% and is calcined, and is discharged after calcining, is collected to obtain modified expanded perlite；
(6) fresh aloe juicing is weighed, filtrate is collected, modified expanded perlite and dried object powder, stirring are added into filtrate
Mixture is obtained, mixture pH is adjusted with sodium hydroxide solution, cationic etherifying agent is added after adjusting, insulated and stirred is anti-after dropwise addition
It answers；
(7) it to after reaction, collect reactant, be placed in rotary evaporated to dryness in rotary evaporation instrument, discharges, collects discharging
Object crushes, and be sieved to obtain composite papermaking sticking agent.
2. a kind of preparation method of composite papermaking sticking agent according to claim 1, it is characterised in that: in step (2)
The mass fraction of the solution of sodium bisulfite is 1%.
3. a kind of preparation method of composite papermaking sticking agent according to claim 1, it is characterised in that: in step (2)
The urea quality is filter cake quality 3~5%.
4. a kind of preparation method of composite papermaking sticking agent according to claim 1, it is characterised in that: in step (3)
The pH value that the hydrochloric acid is adjusted is 3.5~4.0.
5. a kind of preparation method of composite papermaking sticking agent according to claim 1, it is characterised in that: in step (5)
The calcination temperature is 1150~1250 DEG C.
6. a kind of preparation method of composite papermaking sticking agent according to claim 1, it is characterised in that: in step (6)
The modified expanded perlite quality be filtrate quality 10~15%, dried object powder quality be filtrate quality 3~5%, sun from
Sub- etherifying agent quality is filtrate quality 8~10%.
7. a kind of preparation method of composite papermaking sticking agent according to claim 1 or 6, it is characterised in that: step (6)
Described in cationic etherifying agent be dodecyl benzyl dimethyl ammonium chloride.
8. a kind of preparation method of composite papermaking sticking agent according to claim 1, it is characterised in that: in step (6)
The pH value that the sodium hydroxide solution is adjusted is 8.0~9.0.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710424615.0A CN107254804B (en) | 2017-06-07 | 2017-06-07 | A kind of preparation method of composite papermaking sticking agent |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710424615.0A CN107254804B (en) | 2017-06-07 | 2017-06-07 | A kind of preparation method of composite papermaking sticking agent |
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| Publication Number | Publication Date |
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| CN107254804A CN107254804A (en) | 2017-10-17 |
| CN107254804B true CN107254804B (en) | 2019-08-30 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1523165A (en) * | 2003-09-05 | 2004-08-25 | 周小凡 | Non-ionic type particle retention aid and filter aid system and its use in paper making process |
| CN102162200A (en) * | 2010-12-29 | 2011-08-24 | 上海东升新材料有限公司 | Retention and drainage aid and preparation method thereof |
| CN103981755A (en) * | 2014-04-29 | 2014-08-13 | 华南理工大学 | Preparation method of retention and filtration assisting agent for waste paper pulp |
| CN106283861A (en) * | 2015-05-12 | 2017-01-04 | 天津市有为印刷包装有限公司 | A kind of retention aid for paper making and preparation method thereof |
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| EP2238294A1 (en) * | 2008-01-28 | 2010-10-13 | Hercules Incorporated | Method of modifying starch for increased papermachine retention and drainage performance |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1523165A (en) * | 2003-09-05 | 2004-08-25 | 周小凡 | Non-ionic type particle retention aid and filter aid system and its use in paper making process |
| CN102162200A (en) * | 2010-12-29 | 2011-08-24 | 上海东升新材料有限公司 | Retention and drainage aid and preparation method thereof |
| CN103981755A (en) * | 2014-04-29 | 2014-08-13 | 华南理工大学 | Preparation method of retention and filtration assisting agent for waste paper pulp |
| CN106283861A (en) * | 2015-05-12 | 2017-01-04 | 天津市有为印刷包装有限公司 | A kind of retention aid for paper making and preparation method thereof |
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