CN107254802B - A kind of retention aid for paper making - Google Patents
A kind of retention aid for paper making Download PDFInfo
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- CN107254802B CN107254802B CN201710424392.8A CN201710424392A CN107254802B CN 107254802 B CN107254802 B CN 107254802B CN 201710424392 A CN201710424392 A CN 201710424392A CN 107254802 B CN107254802 B CN 107254802B
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- paper making
- added
- retention aid
- retention
- dolomite
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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
- D21H17/03—Non-macromolecular organic compounds
- D21H17/04—Hydrocarbons
-
- 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
-
- 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
- D21H17/23—Lignins
-
- 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
-
- 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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- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Paper (AREA)
- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
The invention discloses a kind of retention aid for paper making, belong to paper making additive technical field.The present invention first by after peach gum drying and crushing with water agitation and filtration, and it collects filtrate and is reacted with the cotton stalk etc. after steam heating, it is collected by filtration after filter residue is freezed with liquid nitrogen spraying and grinds discharging, obtain abrasive material, abrasive material is mixed with the dolomite after modified pulverization process, and glucose is added, it is filtered after saccharomycete powder mixed fermentation, it collects filter cake and air-dries to obtain dry cake, it is lyophilized after being then stirred to react potato starch and Acetic acid-sodium acetate buffer, micropore starch is made, again by dry cake, the ultrasonic disperses such as micropore starch and spray drying treatment, retention aid for paper making can be obtained by finally collecting dried object, retention agent retention effect produced by the present invention is excellent, the retention of fiber fines and fines in paper pulp can not only be improved, reduce the consumption of raw material, it is smooth to be also able to maintain wet end drainage, with preferable market popularization value.
Description
Technical field
The invention discloses a kind of retention aid for paper making, belong to paper making additive technical field.
Background technique
Many fiber fines are had in paper-making process, in slurry, the retention of fiber fines is low, can waste by plain boiled water
Fall, and fiber fines can be deposited in the bottom of strainer, influence the water filtering function of page, undesirable shadow is caused to the quality of paper
It rings, therefore retention agent can be added in wet end during copy paper, increase the retention of fiber fines, improve the dehydration property of page
Energy.
The chemicals that retention agent is kept as a kind of web part of paper machine fiber and fines, be important source material in paper industry it
One, the loss of fine fibre in paper pulp can be reduced, the consumption of raw material is reduced.Currently used retention agent mainly has conventional help
Stay agent and two kinds of microparticle retention aid, conventional retention agent is and to be added alum, aluminium polychloride based on high polymer or determine agent；
Microparticle retention aid is made of cationic polyacrylamide and particulate.
Although making however, the retention agent of prior art preparation is capable of the loss of effective adsorbing fiber and fines for a long time
During, it is be easy to cause the blocking in drainage channel, the drainage of wet end is influenced, production efficiency is caused to decline, also will increase life
Consume is produced, and existing retention agent is not strong to the effect of the fibers adsorption of paper pulp, leads to that paper pulp fiber obtained is loosely organized, paper light
Cleanliness, flatness are poor, can not meet the market requirement.It would therefore be highly desirable to develop a kind of preferable papermaking of paper pulp fiber suction-operated
Use retention agent.
Summary of the invention
Present invention mainly solves the technical issues of: for existing retention agent use process paper pulp fibers adsorption effect
It is not strong, lead to the defect obtained that paper pulp fiber is loosely organized, flatness is poor, provides a kind of retention aid for paper making.
In order to solve the above-mentioned technical problem, the technical scheme adopted by the invention is that:
A kind of retention aid for paper making, according to parts by weight, comprising: 100~120 parts of fermentation filter cakes, 50~60 parts of micropores form sediment
Powder, 0.1~0.3 part of divinylbenzene, 3~5 parts of glutamine, 20~30 parts of 1,4- dioxane and 80~100 parts of deionizations
Water；
The described fermentation filter cake the preparation method comprises the following steps:
(1) peach gum is collected, crushed after being dried obtains peach gum powder, and peach gum powder is added to the water by 1:20 in mass ratio, leaching
Bubble heats, and filters while hot after insulated and stirred, collects filtrate；
(2) cotton stalk is weighed, is dried after dissection to constant weight, the cotton stalk after drying is placed in steam heater, adds
It is kept the temperature after heat, takes out material in steam heater；
(3) material in steam heater is added in filtrate, and N hydroxymethyl acrylamide is added by 1:3 in mass ratio,
It is filtered after heating reaction, collects filter residue, be put into after filter residue is freezed with liquid nitrogen spraying in ceramic mortar formula grinder, ground, out
Expect to obtain abrasive material；
(4) dolomite is added in citric acid solution 1:5 in mass ratio, and cationic surfactant and silane idol is added
Join agent, dolomite mixture is filtered to obtain after stirring, dry after washing, sieving obtains modification dolomite particle；
(5) 1:3 in mass ratio mixes abrasive material and above-mentioned modification dolomite particle, mixture is obtained after stirring, then press matter
Amount feeds the mixture into glucose solution, and saccharomycete powder is added, filters after fermentation than 1:6, collects fermentation filter cake.
The micropore starch is that potato starch is added in Acetic acid-sodium acetate buffer, is discharged after heating reaction, cold
Be lyophilized it is dry after micropore starch.
Amide quality is filtrate quality 0.3~0.5%.
The heating temperature of the steam heater is 130~140 DEG C, and soaking time is 1~2h.
The cationic surfactant is cetyl trimethylammonium bromide, dodecyl benzyl dimethyl ammonium chloride
One of with Cetyltrimethylammonium bromide.
The silane coupling agent be methacryloxypropyl trimethoxy silane, 3- mercapto propyl-triethoxysilicane
One of alkane and γ-aminopropyltrimethoxysilane.
The cationic surfactant quality is dolomite quality 0.1~0.2%, and silane coupling agent quality is white clouds
Stone quality 0.8~1.2%.
The mass fraction of the citric acid solution is 0.5%, and the mass fraction of glucose solution is 0.1%.
The saccharomycete silty amount is mixture quality 3~5%.
The fermentation temperature is 35~40 DEG C, and fermentation time is 12~15h.
The beneficial effects of the present invention are:
(1) present invention carries out cross-linking reaction using peach gum and cotton stalk, after reaction product is mixed with modification dolomite
After fermentation many hydroxyls and amino matrix can be exposed for fermentation, obtained tunning, and hydroxyl and amino can sufficiently connect
Fiber in nearly paper pulp, has preferable film forming ability, while having enough bonding strengths to fiber, and can be in a fiber structure of an essay
Bridge, there are many center of positive charge and hydroxyl on strand, convenient for and fiber form electrostatical binding and hydrogen bond, paper pulp can be effectively improved
The retention of middle fine fibre and fines reduces the investment of paper pulp raw material, reduces the consumption of paper pulp, and the fibre in cotton stalk
Dimension can improve the fibre structure of paper pulp, improve paper quality；
(2) micropore starch is added in the present invention in retention agent, and microcellular structure has biggish surface tension, makes itself and fiber
Between contact point increase, contact probability also increases, and conducive to reaction between the two, therefore retention increases, and then improves life
Efficiency is produced, production consume is reduced.
Specific embodiment
The peach gum on peach is collected, is put into baking oven, dry 10~12h, crushed after being dried, mistake at a temperature of 70~80 DEG C
80~100 meshes obtain peach gum powder, and peach gum powder is added to the water by 1:20 in mass ratio, are heated to after 8~10h of soak at room temperature
It 90~95 DEG C, is filtered after 20~30min of insulated and stirred while hot, collects filtrate, weigh cotton stalk, put after being cut into 2~4cm segment
Enter in baking oven, dry at a temperature of 105~108 DEG C to constant weight, the cotton stalk after drying is placed in steam heater, heats
1~2h is kept the temperature after to 130~140 DEG C, is taken out material, in mass ratio 1:3 in steam heater after cooled to room temperature, will be steamed
Material in vapour heater is added in filtrate, and filtrate quality 0.3~0.5%N- hydroxymethyl acrylamide is added, it is heated to 50~
60 DEG C, it is stirred to react 4~6h, is filtered after being cooled to room temperature, filter residue is collected, is put after filter residue is freezed 30~40s with liquid nitrogen spraying
Enter in ceramic mortar formula grinder, 8~10min ground under 80~100r/min revolving speed, discharge to obtain abrasive material, in mass ratio 1:
Mass fraction, which is added, in dolomite by 5 is in 0.5% citric acid solution, and it is living that 0.1~0.2% cationic surface of dolomite quality is added
Property 0.8~1.2% silane coupling agent of agent and dolomite quality, at a temperature of 3~5 DEG C stir 20~25min after filter to obtain dolomite
Mixture is put into baking oven after dolomite mixture is washed with deionized 2~4 times, dry 5 at a temperature of 100~120 DEG C
~7h, crushed after being dried, and 40~50 meshes are crossed, and modification dolomite particle, in mass ratio 1:3 are obtained, abrasive material and modification is white
Dolomite particles mixing obtains mixture, then 1:6 in mass ratio after stirring 5~10min, and feeding the mixture into mass fraction is 0.1%
In glucose solution, and 3~5% saccharomycete powder of mixture quality is added, after being stirred 20~30min, is heated to 35~40
DEG C, ferment 12~15h under natural ventilating environment, filters after fermentation, collects fermentation filter cake, and 1:4 in mass ratio forms sediment potato
It is to be heated to 60~70 DEG C in 4.7 Acetic acid-sodium acetate buffers after being stirred 10~15min, be stirred to react 60 that pH, which is added, in powder
~80min is cooled to room temperature after reaction, is discharged and is collected out material freeze-drying, obtains micropore starch, according to parts by weight, point
Also known as take 100~120 parts of fermentation filter cakes, 50~60 parts of micropore starch, 0.1~0.3 part of divinylbenzene, 3~5 parts of glutamy
Amine, 20~30 parts of Isosorbide-5-Nitrae-dioxane and 80~100 parts of deionized waters, temperature is 50~60 DEG C, ultrasonic power is after mixing
20~30min of ultrasonic disperse under the conditions of 100~200W is spray-dried after ultrasonic disperse, is collected dried object and can be obtained paper grade (stock) and helps
Stay agent.The cationic surfactant be cetyl trimethylammonium bromide, dodecyl benzyl dimethyl ammonium chloride and
One of Cetyltrimethylammonium bromide.The silane coupling agent be methacryloxypropyl trimethoxy silicon
One of alkane, 3- mercaptopropyltriethoxysilane and γ-aminopropyltrimethoxysilane.
Example 1
The peach gum on peach is collected, is put into baking oven, dry 10h, crushed after being dried cross 80 meshes at a temperature of 70 DEG C,
Peach gum powder is obtained, peach gum powder is added to the water by 1:20 in mass ratio, 90 DEG C is heated to after soak at room temperature 8h, insulated and stirred
It is filtered while hot after 20min, collects filtrate, weigh cotton stalk, be put into baking oven after being cut into 2cm segment, done at a temperature of 105 DEG C
It is dry to constant weight, the cotton stalk after drying is placed in steam heater, 1h is kept the temperature after being heated to 130 DEG C, naturally cools to room
Material, in mass ratio 1:3 in steam heater are taken out after temperature, the material in steam heater are added in filtrate, and filter is added
Liquid quality 0.3%N- hydroxymethyl acrylamide, is heated to 50 DEG C, is stirred to react 4h, filter after being cooled to room temperature, and collects filter residue, will
Filter residue is put into ceramic mortar formula grinder after freezing 30s with liquid nitrogen spraying, is ground 8min under 80r/min revolving speed, is discharged
It is and dolomite quality 0.1% to be added in 0.5% citric acid solution that mass fraction, which is added, in dolomite by abrasive material, in mass ratio 1:5
0.8% methacryloxypropyl trimethoxy silane of cetyl trimethylammonium bromide and dolomite quality, in 3 DEG C of temperature
Dolomite mixture is filtered to obtain after lower stirring 20min, is put into baking oven after dolomite mixture is washed with deionized 2 times,
Dry 5h, crushed after being dried at a temperature of 100 DEG C, and 40 meshes are crossed, modification dolomite particle, in mass ratio 1:3 are obtained, will be ground
Object and the mixing of modification dolomite particle, obtain mixture, then 1:6 in mass ratio after stirring 5min, feed the mixture into mass fraction
For in 0.1% glucose solution, and 3% saccharomycete powder of mixture quality is added, after being stirred 20min, is heated to 35 DEG C, from
Ferment 12h under right ventilated environment, filters after fermentation, collects fermentation filter cake, and potato starch addition pH is by 1:4 in mass ratio
In 4.7 Acetic acid-sodium acetate buffers, 60 DEG C are heated to after being stirred 10min, 60min is stirred to react, is cooled to room after reaction
Temperature discharges and collects out material freeze-drying, obtains micropore starch, according to parts by weight, weigh 100 parts of fermentations filter cakes, 50 respectively
Part micropore starch, 0.1 part of divinylbenzene, 3 parts of glutamine, 20 parts of Isosorbide-5-Nitrae-dioxane and 80 parts of deionized waters, after mixing
Ultrasonic disperse 20min under the conditions of temperature is 50 DEG C, ultrasonic power is 100W is spray-dried after ultrasonic disperse, collects dried object
Retention aid for paper making can be obtained.
Retention aid for paper making made from example 1 and water are stirred by 1:200 in mass ratio under 100r/min revolving speed
10min obtains retention liquid, and then gained retention liquid is added in paper pulp, and control retention liquid additive amount is the 8% of pulp quality, most
It is afterwards 70g/m by Substance2, the paper pulp after addition retention agent is utilized into paper machine, finished product paper.
Example 2
The peach gum on peach is collected, is put into baking oven, dry 11h, crushed after being dried cross 90 meshes at a temperature of 75 DEG C,
Peach gum powder is obtained, peach gum powder is added to the water by 1:20 in mass ratio, 93 DEG C is heated to after soak at room temperature 9h, insulated and stirred
It is filtered while hot after 25min, collects filtrate, weigh cotton stalk, be put into baking oven after being cut into 3cm segment, done at a temperature of 106 DEG C
It is dry to constant weight, the cotton stalk after drying is placed in steam heater, 1h is kept the temperature after being heated to 135 DEG C, naturally cools to room
Material, in mass ratio 1:3 in steam heater are taken out after temperature, the material in steam heater are added in filtrate, and filter is added
Liquid quality 0.4%N- hydroxymethyl acrylamide, is heated to 55 DEG C, is stirred to react 5h, filter after being cooled to room temperature, and collects filter residue, will
Filter residue is put into ceramic mortar formula grinder after freezing 35s with liquid nitrogen spraying, is ground 9min under 90r/min revolving speed, is discharged
It is and dolomite quality 0.1% to be added in 0.5% citric acid solution that mass fraction, which is added, in dolomite by abrasive material, in mass ratio 1:5
Dodecyl benzyl dimethyl ammonium chloride and dolomite quality 1.0%3- mercaptopropyltriethoxysilane, are stirred at a temperature of 4 DEG C
Dolomite mixture is filtered to obtain after 23min, is put into baking oven after dolomite mixture is washed with deionized 3 times, at 110 DEG C
At a temperature of dry 6h, crushed after being dried, and cross 45 meshes obtains modification dolomite particle, in mass ratio 1:3, by abrasive material and changes
Property dolomite particles mixing, stir after 8min to obtain mixture, then 1:6 in mass ratio, feeding the mixture into mass fraction is 0.1%
In glucose solution, and 4% saccharomycete powder of mixture quality is added, after being stirred 25min, 38 DEG C is heated to, in gravity-flow ventilation
Ferment 14h under environment, filters after fermentation, collects fermentation filter cake, 1:4 in mass ratio, it is 4.7 vinegar that pH, which is added, in potato starch
In acid-sodium-acetate buffer, 65 DEG C are heated to after being stirred 13min, 70min is stirred to react, is cooled to room temperature after reaction, out
Expect and collect out material freeze-drying, obtains micropore starch, according to parts by weight, weigh 110 parts of fermentation filter cakes, 55 parts of micropores respectively
Starch, 0.2 part of divinylbenzene, 4 parts of glutamine, 25 parts of Isosorbide-5-Nitrae-dioxane and 90 parts of deionized waters, in temperature after mixing
Ultrasonic disperse 25min under the conditions of being 150W for 55 DEG C, ultrasonic power is spray-dried after ultrasonic disperse, and collecting dried object can obtain
Retention aid for paper making.
Retention aid for paper making made from example 2 and water are stirred by 1:200 in mass ratio under 100r/min revolving speed
10min obtains retention liquid, and then gained retention liquid is added in paper pulp, and control retention liquid additive amount is the 8% of pulp quality, most
It is afterwards 70g/m by Substance2, the paper pulp after addition retention agent is utilized into paper machine, finished product paper.
Example 3
The peach gum on peach is collected, is put into baking oven, dry 12h, crushed after being dried sieve with 100 mesh sieve at a temperature of 80 DEG C,
Peach gum powder is obtained, peach gum powder is added to the water by 1:20 in mass ratio, 95 DEG C is heated to after soak at room temperature 10h, insulated and stirred
It is filtered while hot after 30min, collects filtrate, weigh cotton stalk, be put into baking oven after being cut into 4cm segment, done at a temperature of 108 DEG C
It is dry to constant weight, the cotton stalk after drying is placed in steam heater, 2h is kept the temperature after being heated to 140 DEG C, naturally cools to room
Material, in mass ratio 1:3 in steam heater are taken out after temperature, the material in steam heater are added in filtrate, and filter is added
Liquid quality 0.5%N- hydroxymethyl acrylamide, is heated to 60 DEG C, is stirred to react 6h, filter after being cooled to room temperature, and collects filter residue, will
Filter residue is put into ceramic mortar formula grinder after freezing 40s with liquid nitrogen spraying, and 10min is ground under 100r/min revolving speed, is discharged
Abrasive material, it is and dolomite quality to be added in 0.5% citric acid solution that mass fraction, which is added, in dolomite by 1:5 in mass ratio
1.2% γ-aminopropyltrimethoxysilane of 0.2% Cetyltrimethylammonium bromide and dolomite quality, is stirred at a temperature of 5 DEG C
Dolomite mixture is filtered to obtain after 25min, is put into baking oven after dolomite mixture is washed with deionized 4 times, at 120 DEG C
At a temperature of dry 7h, crushed after being dried, and cross 50 meshes obtains modification dolomite particle, in mass ratio 1:3, by abrasive material and changes
Property dolomite particles mixing, stir after 10min to obtain mixture, then 1:6 in mass ratio, feeding the mixture into mass fraction is 0.1%
In glucose solution, and 5% saccharomycete powder of mixture quality is added, after being stirred 30min, 40 DEG C is heated to, in gravity-flow ventilation
Ferment 15h under environment, filters after fermentation, collects fermentation filter cake, 1:4 in mass ratio, it is 4.7 vinegar that pH, which is added, in potato starch
In acid-sodium-acetate buffer, 70 DEG C are heated to after being stirred 15min, 80min is stirred to react, is cooled to room temperature after reaction, out
Expect and collect out material freeze-drying, obtains micropore starch, according to parts by weight, weigh 120 parts of fermentation filter cakes, 60 parts of micropores respectively
Starch, 0.3 part of divinylbenzene, 5 parts of glutamine, 30 parts of Isosorbide-5-Nitrae-dioxane and 100 parts of deionized waters, in temperature after mixing
Ultrasonic disperse 30min under the conditions of being 200W for 60 DEG C, ultrasonic power is spray-dried after ultrasonic disperse, and collecting dried object can obtain
Retention aid for paper making.
Retention aid for paper making made from example 3 and water are stirred by 1:200 in mass ratio under 100r/min revolving speed
10min obtains retention liquid, and then gained retention liquid is added in paper pulp, and control retention liquid additive amount is the 8% of pulp quality, most
It is afterwards 70g/m by Substance2, the paper pulp after addition retention agent is utilized into paper machine, finished product paper.
Comparative example: 1:200 in mass ratio stirs commercially available BASF retention aid for paper making and water under 100r/min revolving speed
10min is mixed, retention liquid is obtained, then gained retention liquid is added in paper pulp, control retention liquid additive amount is pulp quality
8%, it is finally 70g/m by Substance2, the paper pulp after addition retention agent is utilized into paper machine, finished product paper.
Respectively to using finished paper made of 1~3 gained retention aid for paper making of example and comparative example uses commercially available Bath
Finished paper made of husband's retention aid for paper making carries out performance detection, and testing result is as shown in table 1 below:
1 finished paper performance of table
In conclusion retention aid for paper making retention effect produced by the present invention is significant, be added in paper pulp fiber fines and
The retention of fines is higher, while not will cause the blocking in drainage channel in retention agent use process, and retention agent of the present invention has
There is the effect for improving paper pulp fiber structure, improving paper quality, manufactured Paper White Degree, pop strength are higher, have wide
Prospect of the application.
Claims (10)
1. a kind of retention aid for paper making, according to parts by weight, comprising: 100~120 parts of fermentation filter cakes, 50~60 parts of micropore starch,
0.1~0.3 part of divinylbenzene, 3~5 parts of glutamine, 20~30 parts of 1,4- dioxane and 80~100 parts of deionized waters；
It is characterized by: the described fermentation filter cake the preparation method comprises the following steps:
(1) peach gum is collected, crushed after being dried obtains peach gum powder, and peach gum powder is added to the water by 1:20 in mass ratio, impregnates, adds
Heat is filtered while hot after insulated and stirred, collects filtrate；
(2) cotton stalk is weighed, is dried after dissection to constant weight, the cotton stalk after drying is placed in steam heater, after heating
Material in steam heater is taken out in heat preservation；
(3) material in steam heater is added in filtrate, and N hydroxymethyl acrylamide is added by 1:3 in mass ratio, heats
It is filtered after reaction, collects filter residue, be put into after filter residue is freezed with liquid nitrogen spraying in ceramic mortar formula grinder, ground, discharge
Abrasive material；
(4) dolomite is added in citric acid solution 1:5 in mass ratio, and cationic surfactant and silane coupled is added
Dolomite mixture is filtered to obtain in agent after stirring, dry after washing, and sieving obtains modification dolomite particle；
(5) 1:3 in mass ratio mixes abrasive material and above-mentioned modification dolomite particle, mixture is obtained after stirring, then in mass ratio
1:6 is fed the mixture into glucose solution, and saccharomycete powder is added, and is filtered after fermentation, and fermentation filter cake is collected.
2. a kind of retention aid for paper making according to claim 1, it is characterised in that: the micropore starch is by potato
Starch is added in Acetic acid-sodium acetate buffer, discharges after heating reaction, micropore starch is obtained after freeze-drying.
3. a kind of retention aid for paper making according to claim 1, it is characterised in that: the N hydroxymethyl acrylamide matter
Amount is filtrate quality 0.3~0.5%.
4. a kind of retention aid for paper making according to claim 1, it is characterised in that: the heating temperature of the steam heater
Degree is 130~140 DEG C, and soaking time is 1~2h.
5. a kind of retention aid for paper making according to claim 1, it is characterised in that: the cationic surfactant is
One of cetyl trimethylammonium bromide, dodecyl benzyl dimethyl ammonium chloride and Cetyltrimethylammonium bromide.
6. a kind of retention aid for paper making according to claim 1, it is characterised in that: the silane coupling agent is methyl-prop
One of alkene acryloxypropylethoxysilane trimethoxy silane, 3- mercaptopropyltriethoxysilane and γ-aminopropyltrimethoxysilane.
7. according to claim 1 or a kind of retention aid for paper making described in 4, it is characterised in that: the cationic surface is living
Property agent quality be dolomite quality 0.1~0.2%, silane coupling agent quality be dolomite quality 0.8~1.2%.
8. a kind of retention aid for paper making according to claim 1, it is characterised in that: the quality of the citric acid solution point
Number is 0.5%, and the mass fraction of glucose solution is 0.1%.
9. a kind of retention aid for paper making according to claim 1, it is characterised in that: the saccharomycete silty amount is mixing
Amount of substance 3~5%.
10. a kind of retention aid for paper making according to claim 1, it is characterised in that: the fermentation temperature is 35~40
DEG C, fermentation time is 12~15h.
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