The content of the invention
Present invention mainly solves technical problem：Acted on for existing retention agent using the fibers adsorption of process paper pulpNot strong, causing the obtained defect that paper pulp fiber is loosely organized, flatness is poor, there is provided a kind of retention aid for paper making.
In order to solve the above-mentioned technical problem, the technical solution adopted in the present invention is:
A kind of retention aid for paper making, is counted by weight, including：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；
The preparation method of described fermentation filter cake is：
（1）Peach gum is collected, crushed after being dried obtains peach gum powder, in mass ratio 1:20 are added to the water peach gum powder, soak, addFiltered while hot after heat, insulated and stirred, collect filtrate；
（2）Cotton stalk is weighed, is dried after segment to constant weight, dried cotton stalk is placed in steam heater, after heatingInsulation, takes out material in steam heater；
（3）In mass ratio 1：3, the material in steam heater is added in filtrate, and N hydroxymethyl acrylamide is added, heatFiltered after reaction, collect filter residue, be put into after filter residue is freezed with liquid nitrogen spraying in ceramic mortar formula grinder, ground, dischargeAbrasive material；
（4）In mass ratio 1:5 add dolomite in citric acid solution, and add cationic surfactant and silane coupledDolomite mixture is filtered to obtain after agent, stirring, is dried after washing, sieving obtains modification dolomite particle；
（5）In mass ratio 1:3, abrasive material and above-mentioned modification dolomite particle are mixed, mixture is obtained after stirring, then in mass ratio1:6, feed the mixture into glucose solution, and yeast bacterium powder is added, filtered after fermentation, collect fermentation filter cake.
Described micropore starch is to add farina in Acetic acid-sodium acetate buffer solution, is discharged after heating response, coldIt is lyophilized it is dry after micropore starch.
Acid amides quality is filtrate quality 0.3~0.5%.
The heating-up temperature of described steam heater is 130~140 DEG C, and soaking time is 1~2h.
Described cationic surfactant is cetyl trimethylammonium bromide, dodecyl benzyl dimethyl ammonium chlorideWith one kind in Cetyltrimethylammonium bromide.
It is methacryloxypropyl trimethoxy silane, 3- mercapto propyl-triethoxysilicanes that described silane coupler, which is,One kind in alkane and γ-aminopropyltrimethoxysilane.
Described cationic surfactant quality is dolomite quality 0.1~0.2%, and silane coupler quality is white cloudsStone quality 0.8~1.2%.
The mass fraction of described citric acid solution is 0.5%, and the mass fraction of glucose solution is 0.1%.
Described saccharomycete silty amount is mixture quality 3~5%.
Described fermentation temperature is 35~40 DEG C, and fermentation time is 12~15h.
The beneficial effects of the invention are as follows：
（1）The present invention carries out cross-linking reaction using peach gum and cotton stalk, by reaction product and modification dolomite mixing after fermentation,Obtained tunning, after fermentation many hydroxyls and amino matrix can be exposed, and hydroxyl and amino can be substantial access to paperFiber in slurry, with preferable film forming ability, while there is enough bonding strengths to fiber, and can build bridge between fiber, pointThere are many center of positive charge and hydroxyl in subchain, be easy to form electrostatical binding and hydrogen bond with fiber, can effectively improve thin in paper pulpThe retention of fiber and fines, reduces the input of paper pulp raw material, reduces the fiber energy in the consumption of paper pulp, and cotton stalkImprove the fibre structure of paper pulp, improve paper quality；
（2）The present invention adds micropore starch in retention agent, and microcellular structure has larger surface tension, makes it between fiberContact point increase, contact probability also increases, beneficial to reaction between the two, therefore retention increase, and then improves production effectRate, reduces production consume.
Embodiment
The peach gum on peach is collected, is put into baking oven, 10~12h, crushed after being dried, mistake are dried at a temperature of 70~80 DEG C80~100 mesh sieves, obtain peach gum powder, in mass ratio 1:20 are added to the water peach gum powder, are heated to after 8~10h of soak at room temperature90~95 DEG C, filter while hot after 20~30min of insulated and stirred, collect filtrate, weigh cotton stalk, put after being cut into 2~4cm segmentsEnter in baking oven, dried at a temperature of 105~108 DEG C to constant weight, dried cotton stalk is placed in steam heater, heat1~2h is incubated after to 130~140 DEG C, naturally cools to and material, in mass ratio 1 in steam heater is taken out after room temperature：3, it will steamMaterial in vapour heater is added in filtrate, and adds filtrate quality 0.3~0.5%N- NMAs, it is heated to 50~60 DEG C, 4~6h of stirring reaction is cooled to after room temperature and filtered, collect filter residue, put after filter residue is freezed into 30~40s with liquid nitrogen sprayingEnter in ceramic mortar formula grinder, 8~10min is ground under 80~100r/min rotating speeds, discharge to obtain abrasive material, in mass ratio 1:5 by dolomite add mass fraction be 0.5% citric acid solution in, and add the cationic surface of dolomite quality 0.1~0.2% workProperty the agent and silane coupler of dolomite quality 0.8~1.2%, filter to obtain dolomite after 20~25min of stirring at a temperature of 3~5 DEG CMixture, is put into baking oven after dolomite mixture is washed with deionized into 2~4 times, and 5 are dried at a temperature of 100~120 DEG C~7h, crushed after being dried, and 40~50 mesh sieves are crossed, obtain modification dolomite particle, in mass ratio 1:3, abrasive material and modification is whiteDolomite particles are mixed, and mixture, then in mass ratio 1 are obtained after 5~10min of stirring:6, it is 0.1% to feed the mixture into mass fractionIn glucose solution, and add after the yeast bacterium powder of mixture quality 3~5%, 20~30min of stirring mixing, be heated to 35~40DEG C, ferment 12~15h under natural ventilating environment, is filtered after fermentation, collects fermentation filter cake, in mass ratio 1:4, potato is formed sedimentPowder adds pH in 4.7 Acetic acid-sodium acetate buffer solutions, 60~70 DEG C, stirring reaction 60 are heated to after 10~15min of stirring mixingRoom temperature is cooled to after~80min, reaction, discharges and collects out material freeze-drying, obtain micropore starch, count by weight, pointAlso 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 glutamyAmine, 20~30 parts of Isosorbide-5-Nitrae-dioxane and 80~100 parts of deionized waters, after mixing temperature be 50~60 DEG C, ultrasonic power beIt is spray-dried after 20~30min of ultrasonic disperse under the conditions of 100~200W, ultrasonic disperse, collection dried object can obtain paper grade (stock) and helpStay agent.Described cationic surfactant be cetyl trimethylammonium bromide, dodecyl benzyl dimethyl ammonium chloride andOne kind in Cetyltrimethylammonium bromide.It is methacryloxypropyl trimethoxy silicon that described silane coupler, which is,One kind in alkane, 3- mercaptopropyltriethoxysilanes and γ-aminopropyltrimethoxysilane.
Example 1
The peach gum on peach is collected, is put into baking oven, 10h is dried at a temperature of 70 DEG C, crushed after being dried crosses 80 mesh sieves, obtains peachRubber powder end, in mass ratio 1:20 are added to the water peach gum powder, are heated to after soak at room temperature 8h after 90 DEG C, insulated and stirred 20minFilter while hot, collect filtrate, weigh cotton stalk, be put into after being cut into 2cm segments in baking oven, dried at a temperature of 105 DEG C to perseveranceWeight, dried cotton stalk is placed in steam heater, 1h is incubated after being heated to 130 DEG C, naturally cools to after room temperature and takesGo out material in steam heater, in mass ratio 1：3, the material in steam heater is added in filtrate, and add filtrate quality0.3%N- NMAs, are heated to 50 DEG C, stirring reaction 4h is cooled to after room temperature and filtered, collects filter residue, filter residue is usedIt is put into after liquid nitrogen spraying freezing 30s in ceramic mortar formula grinder, grinds 8min under 80r/min rotating speeds, discharge to obtain abrasive material,In mass ratio 1:5 add dolomite during mass fraction is 0.5% citric acid solution, and add the hexadecane of dolomite quality 0.1%Base trimethylammonium bromide and the methacryloxypropyl trimethoxy silane of dolomite quality 0.8%, are stirred at a temperature of 3 DEG CDolomite mixture is filtered to obtain after 20min, is put into after dolomite mixture is washed with deionized into 2 times in baking oven, at 100 DEG CAt a temperature of dry 5h, crushed after being dried, and cross 40 mesh sieves, obtain modification dolomite particle, in mass ratio 1:3, abrasive material and it will changeProperty dolomite particles mixing, after stirring 5min mixture, then in mass ratio 1:6, it is 0.1% to feed the mixture into mass fractionIn glucose solution, and add after the yeast bacterium powder of mixture quality 3%, stirring mixing 20min, 35 DEG C are heated to, in gravity-flow ventilationFerment 12h under environment, is filtered after fermentation, collects fermentation filter cake, in mass ratio 1:4, it is 4.7 vinegar that farina is added into pHIn acid-sodium-acetate buffer, 60 DEG C are heated to after stirring mixing 10min, stirring reaction 60min is cooled to room temperature after reaction, gone outExpect and collect out material freeze-drying, obtain micropore starch, count by weight, 100 parts of fermentation filter cakes, 50 parts of micropores are weighed respectivelyStarch, 0.1 part of divinylbenzene, 3 parts of glutamine, 20 parts of Isosorbide-5-Nitrae-dioxane and 80 parts of deionized waters, in temperature after mixingIt is to be spray-dried after ultrasonic disperse 20min under the conditions of 100W, ultrasonic disperse for 50 DEG C, ultrasonic power, collecting dried object can obtainRetention aid for paper making.
In mass ratio 1:200, retention aid for paper making made from example 1 is stirred with water under 100r/min rotating speeds and mixed10min, obtains retention liquid, and then gained retention liquid is added in paper pulp, and it is the 8% of pulp quality to control retention liquid addition, mostIt is afterwards 70g/m by Substance2, the paper pulp added after retention agent is utilized into paper machine, finished product paper.
Example 2
The peach gum on peach is collected, is put into baking oven, 11h is dried at a temperature of 75 DEG C, crushed after being dried crosses 90 mesh sieves, obtains peachRubber powder end, in mass ratio 1:20 are added to the water peach gum powder, are heated to after soak at room temperature 9h after 93 DEG C, insulated and stirred 25minFilter while hot, collect filtrate, weigh cotton stalk, be put into after being cut into 3cm segments in baking oven, dried at a temperature of 106 DEG C to perseveranceWeight, dried cotton stalk is placed in steam heater, 1h is incubated after being heated to 135 DEG C, naturally cools to after room temperature and takesGo out material in steam heater, in mass ratio 1：3, the material in steam heater is added in filtrate, and add filtrate quality0.4%N- NMAs, are heated to 55 DEG C, stirring reaction 5h is cooled to after room temperature and filtered, collects filter residue, filter residue is usedIt is put into after liquid nitrogen spraying freezing 35s in ceramic mortar formula grinder, grinds 9min under 90r/min rotating speeds, discharge to obtain abrasive material,In mass ratio 1:5 add dolomite during mass fraction is 0.5% citric acid solution, and add the dodecane of dolomite quality 0.1%Base dimethyl benzyl ammonium chloride and dolomite quality 1.0%3- mercaptopropyltriethoxysilanes, after stirring 23min at a temperature of 4 DEG CDolomite mixture is filtered to obtain, is put into after dolomite mixture is washed with deionized into 3 times in baking oven, at a temperature of 110 DEG C6h, crushed after being dried are dried, and crosses 45 mesh sieves, modification dolomite particle, in mass ratio 1 is obtained:3, by abrasive material and modified white cloudsStone particle is mixed, and mixture, then in mass ratio 1 are obtained after stirring 8min:6, mass fraction is fed the mixture into for 0.1% glucoseIn solution, and add after the yeast bacterium powder of mixture quality 4%, stirring mixing 25min, 38 DEG C are heated to, under natural ventilating environmentFerment 14h, is filtered after fermentation, collects fermentation filter cake, in mass ratio 1:4, it is 4.7 acetic acid-acetic acid that farina is added into pHIn sodium buffer solution, 65 DEG C are heated to after stirring mixing 13min, stirring reaction 70min is cooled to room temperature after reaction, discharges and receivesCollect material freeze-drying, obtain micropore starch, count by weight, weigh respectively 110 parts of fermentation filter cakes, 55 parts of micropore starch,0.2 part of divinylbenzene, 4 parts of glutamine, 25 parts of Isosorbide-5-Nitrae-dioxane and 90 parts of deionized waters, after mixing temperature be 55DEG C, ultrasonic power be ultrasonic disperse 25min under the conditions of 150W, be spray-dried after ultrasonic disperse, papermaking can be obtained by collecting dried objectUse retention agent.
In mass ratio 1:200, retention aid for paper making made from example 2 is stirred with water under 100r/min rotating speeds and mixed10min, obtains retention liquid, and then gained retention liquid is added in paper pulp, and it is the 8% of pulp quality to control retention liquid addition, mostIt is afterwards 70g/m by Substance2, the paper pulp added after retention agent is utilized into paper machine, finished product paper.
Example 3
The peach gum on peach is collected, is put into baking oven, 12h is dried at a temperature of 80 DEG C, crushed after being dried crosses 100 mesh sieves, obtains peachRubber powder end, in mass ratio 1:20 are added to the water peach gum powder, are heated to after soak at room temperature 10h after 95 DEG C, insulated and stirred 30minFilter while hot, collect filtrate, weigh cotton stalk, be put into after being cut into 4cm segments in baking oven, dried at a temperature of 108 DEG C to perseveranceWeight, dried cotton stalk is placed in steam heater, 2h is incubated after being heated to 140 DEG C, naturally cools to after room temperature and takesGo out material in steam heater, in mass ratio 1：3, the material in steam heater is added in filtrate, and add filtrate quality0.5%N- NMAs, are heated to 60 DEG C, stirring reaction 6h is cooled to after room temperature and filtered, collects filter residue, filter residue is usedIt is put into after liquid nitrogen spraying freezing 40s in ceramic mortar formula grinder, grinds 10min under 100r/min rotating speeds, discharging to grindThing, in mass ratio 1:5 add dolomite during mass fraction is 0.5% citric acid solution, and add dolomite quality 0.2% 18Alkyl trimethyl ammonium bromide and the γ-aminopropyltrimethoxysilane of dolomite quality 1.2%, after stirring 25min at a temperature of 5 DEG CDolomite mixture is filtered to obtain, is put into after dolomite mixture is washed with deionized into 4 times in baking oven, at a temperature of 120 DEG C7h, crushed after being dried are dried, and crosses 50 mesh sieves, modification dolomite particle, in mass ratio 1 is obtained:3, by abrasive material and modified white cloudsStone particle is mixed, and mixture, then in mass ratio 1 are obtained after stirring 10min:6, mass fraction is fed the mixture into for 0.1% glucoseIn solution, and add after the yeast bacterium powder of mixture quality 5%, stirring mixing 30min, 40 DEG C are heated to, under natural ventilating environmentFerment 15h, is filtered after fermentation, collects fermentation filter cake, in mass ratio 1:4, it is 4.7 acetic acid-acetic acid that farina is added into pHIn sodium buffer solution, 70 DEG C are heated to after stirring mixing 15min, stirring reaction 80min is cooled to room temperature after reaction, discharges and receivesCollect material freeze-drying, obtain micropore starch, count by weight, weigh respectively 120 parts of fermentation filter cakes, 60 parts of micropore starch,0.3 part of divinylbenzene, 5 parts of glutamine, 30 parts of Isosorbide-5-Nitrae-dioxane and 100 parts of deionized waters, after mixing temperature be 60DEG C, ultrasonic power be ultrasonic disperse 30min under the conditions of 200W, be spray-dried after ultrasonic disperse, papermaking can be obtained by collecting dried objectUse retention agent.
In mass ratio 1:200, retention aid for paper making made from example 3 is stirred with water under 100r/min rotating speeds and mixed10min, obtains retention liquid, and then gained retention liquid is added in paper pulp, and it is the 8% of pulp quality to control retention liquid addition, mostIt is afterwards 70g/m by Substance2, the paper pulp added after retention agent is utilized into paper machine, finished product paper.
Comparative example：In mass ratio 1:200, commercially available BASF retention aid for paper making and water are stirred under 100r/min rotating speeds10min is mixed, retention liquid is obtained, then gained retention liquid is added in paper pulp, it is pulp quality to control retention liquid addition8%, it is finally 70g/m by Substance2, the paper pulp added after retention agent is utilized into paper machine, finished product paper.
Commercially available Bath is used to the finished paper and comparative example that are made using the gained retention aid for paper making of example 1~3 respectivelyThe finished paper that husband's retention aid for paper making is made carries out performance detection, and its testing result is as shown in table 1 below：
The finished paper performance of table 1
In summary, retention aid for paper making retention effect produced by the present invention significantly, is added to fiber fines and fines in paper pulpRetention it is higher, while do not result in the blocking of drainage passage during retention agent use, and retention agent of the present invention has and changedKind paper pulp fiber structure, the effect for improving paper quality, the Paper White Degree being made, pop strength are higher, with wide useProspect.