CN106835793A - A kind of preparation method of the true qualities bamboo fibre high water absorption lining paper for amenities production - Google Patents
A kind of preparation method of the true qualities bamboo fibre high water absorption lining paper for amenities production Download PDFInfo
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- CN106835793A CN106835793A CN201710172917.3A CN201710172917A CN106835793A CN 106835793 A CN106835793 A CN 106835793A CN 201710172917 A CN201710172917 A CN 201710172917A CN 106835793 A CN106835793 A CN 106835793A
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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
- D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
-
- 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
- D21C3/00—Pulping cellulose-containing materials
- D21C3/02—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes
- D21C3/026—Pulping cellulose-containing materials with inorganic bases or alkaline reacting compounds, e.g. sulfate processes in presence of O2, e.g. air
-
- 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
- D21C3/00—Pulping cellulose-containing materials
- D21C3/22—Other features of pulping processes
- D21C3/26—Multistage processes
- D21C3/263—Multistage processes at least one stage being in presence of oxygen
-
- 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
- D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
- D21H11/12—Pulp from non-woody plants or crops, e.g. cotton, flax, straw, bagasse
-
- 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
- D21H21/08—Dispersing agents for fibres
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
- D21H21/18—Reinforcing agents
- D21H21/20—Wet strength agents
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
- D21H21/36—Biocidal agents, e.g. fungicidal, bactericidal, insecticidal agents
-
- 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
- D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
- D21H27/002—Tissue paper; Absorbent paper
- D21H27/004—Tissue paper; Absorbent paper characterised by specific parameters
- D21H27/005—Tissue paper; Absorbent paper characterised by specific parameters relating to physical or mechanical properties, e.g. tensile strength, stretch, softness
-
- 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
- D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
- D21H27/002—Tissue paper; Absorbent paper
- D21H27/004—Tissue paper; Absorbent paper characterised by specific parameters
- D21H27/005—Tissue paper; Absorbent paper characterised by specific parameters relating to physical or mechanical properties, e.g. tensile strength, stretch, softness
- D21H27/007—Tissue paper; Absorbent paper characterised by specific parameters relating to physical or mechanical properties, e.g. tensile strength, stretch, softness relating to absorbency, e.g. amount or rate of water absorption, optionally in combination with other parameters relating to physical or mechanical properties
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Pest Control & Pesticides (AREA)
- Paper (AREA)
Abstract
The present invention is a kind of preparation method of the true qualities bamboo fibre high water absorption lining paper for amenities production.With bamboo wood as raw material, the method being combined with chemistry using physics prepares the product that comprehensive quality is excellent and environmental pollution is small to the method.The physical performance index of obtained true qualities water suction lining paper is：The 15N m/g of longitudinal tensile index 12, horizontal tensile index 3 5N m/g, the N/m of longitudinal wet tensile (strength) 30 50, the N/m of horizontal wet tensile (strength) 10 20, the 65mm/100s of horizontal water imbibition 45, quantitative 10 40g/m2, the 50%ISO of whiteness 35, pentosan is below 8%, and ash content is below 1.0%, the 6.5cm of bulk 5.53/ g, below pliability 250mN, to staphylococcus aureus and Escherichia coli bacteriostasis rate more than 99%, to Candida albicans bacteriostasis rate more than 98%.
Description
Technical field
The present invention relates to amenities high water absorption lining paper technical field, specially a kind of sheet for amenities production
The preparation method of color bamboo fibre high water absorption lining paper.
Background technology
Water suction lining paper is that women sanitary articles, baby' diaper, adult incontinence productses, excessive breast pad, disposable nursing pad etc. are defended
One of constituent of raw articles for use, for coating the absorbent materials such as Time of Fluff Slurry, water-absorbing resin, blotting paper.Its products characteristics is,
With certain physical strength, soft comfortable, evenness is good, good water absorption, good permeability, compared with high bulk and good antibacterial
The sanitary indexs such as antibacterial antianaphylaxis meet the requirements.
At present, the raw materials for production of water suction lining paper are mainly based on bleached wood pulp, and professional thinks the lining paper that absorbs water
Best raw material is bleached softwood wood-fibred.And China's wood raw material by cultivated area, growth cycle, the ecological balance, be produced into
The constraint of the factor such as this and environmental protection causes its limits throughput, adds China's Forest Resources scarcity, and cultivated land protection causes domestic wood
Fibrous raw material supply is difficult to meet in the future for a long period of time the raw materials requirement of relevant industries, and existing bleached wood pulp is generally
Import, brings larger cost of material pressure, for these reasons, how to develop the new of suitable China's national situation to domestic relevant industries
Type is natural, renewable cellulose fibre makes up the deficiency of wood raw material；How preparation flow and technology and equipment passed through
Etc. aspect improvement, prepare the water suction lining paper of the satisfactory quality of high added value, meet the demand in market.On the one hand suction is made
Water lining paper production field increases a kind of raw material of new sustainable regeneration, weakens dependence of the relevant enterprise to import pulp, section
Foreign exchange spending is saved, promotes the healthy and sustainable development of industry, while reducing production cost；On the other hand by the difference of product
Change, can not only improve enterprise profit, can also pull related industry to develop, form the good interaction development of woods slurry integration.
Used as the water suction lining paper of one of production absorbency amenities constituent, current raw materials for production are mainly wood
Material, for producing true qualities water suction lining paper rarely seen relevant report both at home and abroad using bamboo wood, and studies very few, exactly this invention
Necessity.
Continuous progressive and economic with society continues to develop, and the increase year by year of aging populations quantity has become generation
The problem of many national facings in boundary.By taking China as an example, China in 2016 60 years old and above old man are 2.12 hundred million people, account for China
The ratio of total population is 15.5%, and 65 years old and above old man are 1.37 hundred million people, and it is 10.1%, explanation to account for the ratio of China's total population
China has stepped into aging country.Demand rapid growth of the elderly population in terms of medical treatment, treatment, nursing, rehabilitation etc.,
Huge new challenge is all brought to health resources and Service Source, the also market development to old incontinence health product brings nothing
Potentiality are limited, and China has put into effect one family and can give birth to two family planning policies of child.The huge population base of China
With the 4th baby boom for baby paper diaper market provides huge space, it is contemplated that the domestic baby paper diaper city of the coming five years
Field will keep double-digit speedup.Therefore the big crowd of an older man and a youngster two is the main force of consumption, and comparatively their demand is
It is rigid, very big current demand also is brought to absorbency hygiene market, and the consumption idea of health environment-friendly is gradually deep
Enter the popular feeling, make people to the quality requirements more and more higher of disposable sanitary articles, not only want soft comfortable, the physics having had is strong
Degree, flexible, water absorbing and retaining properties are good, should also have bacteriostasis antibiosis and antianaphylaxis high, in particular time (including infant
Phase, female menstrual period, old man's incontinence phase etc.) use, can effectively reduce or reduce the probability of pathogenic infection and allergic stimulated therefore
The water suction lining paper product for developing environmental protection has wide market development space.
China's bamboo timber resource very abundant, be it is few in number in the world abound with one of country of bamboo wood, bamboo grove area exists
Second is occupied in the world, and bamboo wood yield ranks first in the world.It has distribution wide, strong adaptability, growth is fast, it is early to become a useful person, can give birth to
Thing degraded, good bacteria resistance, the features such as can continuously utilize.Chemical composition and fibre morphology analysis knot to bamboo material
Fruit is as shown in Tables 1 and 2
The bamboo material chemical composition unit of table 1：%
The bamboo material fibre morphology of table 2 is analyzed
| Raw material | Length/mm | Width/um | Length-width ratio | Wall thickness/um | Wall chamber ratio | Heteroproteose cell/% |
| Bamboo wood | 2.74 | 15.8 | 169 | 6.51 | 4.53 | 23.76 |
Tables 1 and 2 result shows, bamboo wood holocellulose content 75.14% (needlebush about 65~73%), and fiber is average
Length 2.74mm, between leaf wood (fibre length≤1mm) and needlebush (3~5mm), length-width ratio is that 169 (needlebush is about
70-150), the fibre morphology and content of bamboo are similar as the needlebush of water suction lining paper raw materials for production to optimum, are this bamboo wood
With the innate advantage for preparing water suction lining paper, but bamboo wood contains more lignin, pentose class hemicellulose, organic solvent to be extracted out
The non-cellulosic impurity composition such as thing, ash content and heteroproteose cell, therefore water suction lining paper is prepared, it is necessary to solve using bamboo wood：Bamboo pulp
Contradiction between high-purity and holding high viscosity；How in bamboo wood content higher non-cellulosic impurity composition is reduced；How will
Close structure, the bamboo material that appearance has one layer of fatty wax is dissociated into single fiber, while ensureing better quality and higher
Rate.
Presently commercially available water suction lining paper is entirely almost bleached pulp production, and bleaching is more using chloride drifts such as efficient chlorine dioxide
Agent is bleached, and some businessmans are to meet whiteness high and good visual effect, the disabling additive such as artificial addition fluorescent whitening agent, is caused
Bleaching section chemicals consumption and equipment investment increase, and pulping yield declines, and personnel labor intensity increases, and production cost increases etc.
Problem, and bleaching effluent (contain a large amount of COD and BOD, and a large amount of chloroform, chloro phenol compound, Lv Dai bioxin and
The poisonous chlorinatedorganic such as furans) the big problem of intractability up to standard, thus bring to the destructive of ecological environment and raw
The serious problems such as the harmfulness of object.And bleached pulp have passed through bleaching process due to fiber, fiber must not be not subjected to depolymerization drop
Solution, fines content is more in causing water suction lining paper, to its physical strength, water imbibition, bulk, flexibility and gas permeability etc.
Index has undesirable effect, so as to influence the qualification rate of product.
The content of the invention
Goal of the invention of the invention is not enough for the existing water suction lining paper raw materials for production of solution, is used because bleaching morely and efficiently contained
Chlorine drift agent bleaching, causes bleaching section chemicals consumption and equipment investment to increase, and pulping yield declines, and raw material availability is relatively low,
Personnel labor intensity increases, and the problems such as production cost increases, and bleaching effluent is containing dirts such as a large amount of COD, BOD, chlorinatedorganics
Dye is serious, and bleaching water suction lining paper contains more fiber fines, to its physical strength, water imbibition, bulk, flexibility and thoroughly
The problems such as indexs such as gas have undesirable effect, there is provided a kind of true qualities bamboo fibre high water absorption lining paper for amenities production
Preparation method.Use true qualities bamboo fibre obtained by the method absorb water lining paper physical performance index for：Longitudinal tensile index 12-
15Nm/g, horizontal tensile index 3-5Nm/g, longitudinal wet tensile (strength) 30-50N/m, horizontal wet tensile (strength) 10-20N/m,
Horizontal water imbibition (finished layer) 45-65mm/100s, quantitative 10-40g/m2, whiteness 35-50%ISO, pentosan is below 8%, ash
Divide less than 1.0%, bulk 5.5-6.5cm3/ g, pliability (finished layer is average in length and breadth) below 250mN, to Staphylococcus aureus
Bacterium and Escherichia coli bacteriostasis rate more than 99%, to Candida albicans bacteriostasis rate more than 98%.
Concrete technical scheme of the invention is as follows：
A kind of preparation method of true qualities bamboo fibre high water absorption lining paper for amenities production, the method includes following step
Suddenly：
(1) material is got the raw materials ready：Bamboo wood is cut into 10-50mm long, 5-20mm wide, washes away surface impurity and removes many through material washing machine
Remaining moisture, makes its qualification rate up to more than 85%；Bamboo wood can be cizu, bambusa textile, Xifeng Bamboo and mixing bamboo wood.
(2) presteaming：The bamboo chip feeding presteaming vessel that step (1) is obtained, carries out normal pressure presteaming, and steaming time is 5-
15min, its purpose is to exclude the air in bamboo chip, while improving temperature and making it stable, follow-up leaching is entered beneficial to bamboo chip
Liquid, and bamboo chip temperature higher can be quickly absorbed after stain device, heating-up time of the bamboo chip in subsequent preheater can be saved,
So as to improve pickling efficiency.
(3) impregnation stage：Bamboo chip after step (2) presteaming is sent into infuser.
Impregnation stage device therefor is the pressure-expandable infuser of standpipe, mainly by charge door, feeding screw, dipping lifting spiral shell
Rotation, preheater etc. are constituted.Wherein feeding screw is main by reducing variable-pitch propeller axle, drainage drum, back pressure apparatus and transmission device
Deng composition, by adjusting reducing variable-pitch propeller axle, can with increasing compression ratio, make compression ratio up to 4: 1 and more than, such spiral enters
Glassware not only acts as conveying effect, and may also function as stronger squeezing action, effectively prevent because bamboo chip became uneven is even,
The air discharged during presteaming is also uneven, and bamboo chip can be influenceed to absorb the uniformity of liquid, influences follow-up oxygen-alkaline boiling uneven
The problems such as property.Compression ratio is pressed up to 4: 1 and the material such as air and moisture and resin of also extrudable bamboo chip surface and inside above
Broken ring, also makes bamboo chip longitudinally produce many fine cracks, the bamboo chip for entering dipping lifting spiral is more quickly absorbed more
Liquid, beneficial to being uniformly impregnated with, follow-up boiling is become easy, improve boiling uniformity.
Specifically operating procedure is：Bamboo chip is added by charge door after presteaming, is extruded through feeding screw, and bamboo chip is through extruding
After become closely knit, subsequently into dipping lifting spiral when just free wxpansion without restrictions, the mistake being lifted up with helical rotation
Cheng Zhong, bamboo chip equably absorbs the chemical liquid of addition, then falls into preheater heating from the top of dipping lifting spiral.These warps
When the bamboo chip for crossing chemical liquid and hot integrated treatment enters follow-up oxygen-alkaline boiling, it is more easy to make bamboo chip be dissociated into single fiber to be formed
Paper pulp, and the damage to fiber can be substantially reduced, and improve into the quality and yield of slurry.
Tablet impregnation stage residence time 15-30min, 60-95 DEG C of temperature, dipping lifting spiral in add chemical drugs
Liquid, relative to over dry material quality, sodium hydroxide concentration 2-5%.Adding the purpose of NaOH is, removes alkali solubility in bamboo chip
Inorganic matter and organic matter, such as lignin of inorganic salts, polysaccharose substance, the hemicellulose of short chain and low-molecular-weight, and portion
Divide the impurity such as organic solvent extract, destroy the fatty wax of bamboo material exocuticle, increase space on cell membrane, cell membrane
Become soft, the bamboo chip and heated device after alkali process heat, and further increase the effect of the irreversible softening of bamboo chip
Really, the diffusion dissolution of medicinal liquid osmosis and product establishes passage when being follow-up oxygen-alkaline boiling, while increasing bamboo fiber
With alkali lye and the contact area of oxygen, it is therefore prevented that tablet inside produces the incomplete phenomenon of boiling, beneficial to follow-up oxygen-alkaline boiling mistake
Being smoothed out for journey, increased delignification efficiency, improve the uniformity of boiling, improve into the quality of slurry.
Infuser used herein is in the life of the reducing rules such as CTMP (CTMP), chemi-mechanical pulp (CMP)
In production. art, infuser is widely used in the pre-preg treatment of raw material, belongs to prior art, therefore its specific configuration is no longer gone to live in the household of one's in-laws on getting married
State.
(4) oxygen-alkaline boiling：Bamboo chip after step (3) is impregnated sends into boiling vessel.
Oxygen alkali cooking point two-stage is carried out, its purpose is to improving oxygen delignification rate and improving the selectivity of delignification.
The first order：Whole chemicals are added, using alkali charge and oxygen consuming amount high, to reach delignification rate high,
But temperature is relatively low, the reaction time is shorter, to prevent the decline of the viscosity and yield of paper pulp.Relative to over dry material quality, hydrogen-oxygen
Change sodium consumption 8-15%, oxygen pressure 0.8-1.0MPa, 80-90 DEG C of temperature, time 60-80min, liquor ratio 1: 5-8.
The second level：Chemicals is not added with, an oxygen, Main Function is extracting, and oxygen consuming amount is low, and temperature is higher, the time
It is more long, to continue to remove the things such as the lignin, short chain hemicellulose, ash content, organic solvent extract, the heteroproteose cell that are remained in slurry
Matter, purifies paper pulp, reaches water suction lining paper mechanical strength higher, gas permeability, bulk and absorbency, and soft comfortable, evenness
Good quality requirement.Oxygen presses 0.3-0.6MPa, 120-140 DEG C of temperature, time 100-150min.
Further prioritization scheme, magnesium salts is added in first order oxygen-alkaline boiling, and relative to over dry material quality, magnesium salts is used
Amount 1-3%, magnesium salts described here refers to the materials such as magnesium sulfate, magnesium carbonate, oxidizing ferment.Research shows, free radical during oxygen-alkaline boiling
As degraded depolymerization of the hydrogen-oxygen free radical HO to cellulose will take the main responsibility, reason is high caused its oxidation potential.It is another to grind
Study carefully and show, the formation of the presence of transition metal to hydrogen-oxygen free radical HO has catalytic action, therefore how to be removed in oxygen-alkaline boiling
Transition metal ions is removed or shielded so as to reduce or suppress the generation of hydrogen-oxygen free radical HO and then reduce the degraded solution of cellulose
Poly- is crucial.
Therefore, present invention purpose of magnesium salts in oxygen-alkaline boiling is：Cellulose is protected in oxygen-alkaline boiling, it is reduced
Alkaline oxygenated degraded and the generation of peeling reaction and basic hydrolysis, it is ensured that into pulp yield, quality.Magnesium salts protects the mechanism of cellulose
For：Magnesium salts can form the double salt of stabilization with the transition metal ions such as cobalt, iron, make metallic ion passivation, be effectively reduced or avoid
Formation of the presence of transition metal to hydrogen-oxygen free radical HO has the generation of catalytic action, reduces free radical and cellulose is attacked
Hit, so as to protect cellulose.
Further prioritization scheme, is operated using oxygen transformation method, i.e., first order oxygen-alkaline boiling bleeds off pressure to pressure after terminating and is
0MPa, then second level oxygen-alkaline boiling is carried out, lead to oxygen to 0.3-0.6MPa, 120-140 DEG C is then heated to, react 100-
150min terminates, and puts pot.The steam for putting pot generation carries out energy recovery into waste gas afterheat recovery system.Heat reclaiming system
It is known to papermaker.
Operated using oxygen transformation method, the impulse action of (boosting)-buck-boost-step-down that heats up enhances oxygen and alkali
Contact of the liquid with fibrous raw material, beneficial to non-fibres such as lignin, organic solvent extract, ash content, heteroproteose cell and pentose class hemicelluloses
The removing of the plain impurity of dimension, effectively overcomes in bamboo material containing itself weakness more than non-cellulosic impurity, increases the removing impurities of boiling
Matter efficiency, improves cooking homogeneities, beneficial to bamboo pulp purity is improved, reaches the quality requirement of water suction lining paper.Reason is：Due to drop
Pressure makes pot inner pressure bust, and on the one hand gas diffusion extrudes the air and other incoagulable gas in feed conduits, eliminate false
Pressure, beneficial to the rising of temperature, due to eliminating air, effectively reduces or prevents the oxidative degradation of cellulose, beneficial into slurry
The raising of yield, intensity；Another aspect pot inner pressure is die-offed, and nature boiling is produced in pot so that the temperature of pot inner liquid medicine and dense
Degree redistribution, reduces the temperature difference and concentration difference of different parts in pot；Furthermore, the impulse action of pressure can promote liquid pair
The destruction of pit membrane, expands fibre bundle loose, expands the contact area of fiber and cooking liquor so that cooking liquor can
Fibrous inside is preferably penetrated into, cooking homogeneities are improved.
(5) wash：The slurry that step (4) is obtained is excluded through vacuum pulp washing machine washing concentrating, produced scrub raffinate；
Two vacuum pulp washing machine abundant washing concentratings can be used during washing, the mass concentration for concentrating disposed slurry is 10-15%.
(6) screen：The slurry that step (5) is obtained is pumped into screening installation after dilution --- nixing sieve.To remove not
The lighter slurry group of the debris for conforming to quality requirements, such as proportion, fibre bundle debris, and the heavier metallic particles of proportion, gravel
Deng debris.
The present invention carries out impurity removing using nixing sieve.Nixing sieve is a kind of will purify and the screening that combines of screening sets
Standby, its structure composition is grouped into by the screen fraction of the first half and the purification portion of lower half.The screen fraction of the first half is again main
To be made up of rotor rotor and screen cylinder；The purification part of lower half is made up of hydrocyclone again.
Specifically operating procedure is：Slurry enters the bottom of nixing sieve under certain pressure effect from tangential direction, by
Pressure energy changes into rotary speed energy, the paper pulp of entrance is done high speed rotary motion, the linear velocity of paper pulp up to 12m/s or so,
The outside circular motion of debris that resulting centrifugal force makes proportion heavier, forms heavier outer layer, then falls cone along wall
Bottom, excludes from dirt trap.And the relative less slurry containing debris such as slurry group, fibre bundles of proportion is just while being rotated down
Gradually back rise along centre, into selectifier screen cylinder, good slurry starches the debris such as group, fibre bundle by sieve plate by sieve plate
Retention, good slurry is discharged from the radial direction of cylindrical portions, and the screening reject containing debris such as slurry group, fibre bundles is excluded from cylinder top.
Nixing sieve is that screening and purification are combined in an equipment, has fully demonstrated the effect of one-machine-multi-function, can be simultaneously
Light (slurry group, fibre bundle etc.), weight (metallic particles, gravel etc.) two class impurity are removed, thus simplifies handling process.
Enter to starch pressure 0.15-0.35MPa, pulp pressure 0.01-0.05MPa, enter to starch concentration 2-5wt%, exit concentration
1.6-3.5wt%.
Nixing sieve used herein is a kind of screening installation for waste paper, belongs to prior art, therefore its specific configuration
Repeat no more.
(7) it is beaten：By step (6) sieve after slurry it is concentrated after be beaten.
To true qualities bamboo pulp beating time 70-100min, beating degree is 40-50 ° of SR after the completion of mashing.
Beating equipment use in or high concentration plate mill, in or high consistency beating be especially suitable in, short fibered pulp.Beating consistency
10-20% claims medium consistency refining, beating consistency more than 20% to claim high consistency beating.The present invention use in or high consistency beating, it is main to be
In order to improve refining pulp quality and reduce beating energy consumption, its reason is：In or during high consistency beating pulp fiber on tip edge and the flank of tooth
Fiber cushion is formed, so as to increase fibre-fibre friction effect, friction generates heat, fiber absorbs heat becomes soft plastic, subtracts
Lack tip edge to act on fibre cutting, increased the fibrillating of fiber；The reduction of beating energy consumption dense is beaten mainly due to middle and high
Rubbing action during slurry between fiber increases, and reduces the possibility that mill contacts friction each other, so that beating energy consumption drops
It is low.
(8) manufacture paper with pulp：Slurry after step (7) is beaten is manufactured paper with pulp, and obtains the water suction lining paper of true qualities.Further optimization side
In case, in the step (8), bactericide and wet strength agent are being added with stock tank, relative to oven dry stock quality, bactericide consumption 0.1-
0.5%, wet strengthening agent 0.05-2.5%.Dispersant is added in head box, relative to oven dry stock quality, dispersant dosage
0.05-2.5%.
Described bactericide is alkyl imidazoline quaternary ammonium salt, and the bactericide can also soften fibre in addition to bactericidal property
Peacekeeping eliminates the performance such as electrostatic and excellent emulsification, dispersion, and biodegradable, and pollution mitigates significantly.This bactericide is logical
The permeability for changing pathogenic bacteria endochylema film is crossed, makes thalline extravasation, hindered it to be metabolized and make pathogenic bacteria dead, it kills microorganism
Mechanism of action is the permeability for 1. changing cell, and moisture enters ruptures volumination；2. have good surface-active action, can
High aggregation influences the metabolism of pathogenic bacteria in phage surface；3. protein denaturation is made；4. the intracellular dehydrogenation of inactivated bacteria
Enzyme, oxidizing ferment and can decomposition glucose, succinate, the enzyme system such as acetonate.
Described wet strength agent is polyamide polyamine-epichlorohydrin resins (PAE), and it is more common thermosetting wet strength resins,
And can be combined with fiber well per se with positive electricity, while wet strength is obtained, the flexibility of page will not be lost again
And absorbability.Its effect is to confer to after page is soaked by liquid still have some strength, and integrality is kept beneficial to page.Its effect
Mechanism is：PAE carries positive electricity, can be adsorbed onto on negatively charged paper pulp fiber, then carries out the interior and molecule for quickly dividing
Between polymerization, after machine dried and lower machine store curing, formed entangled fiber polymer network, on the one hand limit
Interfibrous activity, the also performance, the polymerization on the other hand being formed such as flexible denaturation of the swollen and page of corresponding lower limit fiber
Thing network can close some fibre and interfibrous hydrogen bond, and prevention occurs aquation again, the intensity of these Hydrogenbonds
Protected.The thus addition of PAE improves the wet strength of page
Described dispersant is, AEO methyl-monosilane, potassium pyrophosphate, AEO sulfuric acid
Sodium and polyethylene glycol oxide etc., the action principle of dispersant is：Fiber surface electric charge is assigned, or changes the dynamic electric charge on fiber,
Increase negative electrical charge on fiber, or absorption forms one layer of cunning without the hydrated film for gluing in fiber surface, has pulp fiber good
Good suspension, makes fiber mutually slip over without contacting with each other, and the chance adhered to one another between reducing fiber, fleeces gathers, twines
Knot mitigates significantly, is effectively improved into paper tissue evenness.
Present invention combination China's national situation, with quality-high and inexpensive, resourceful bamboo wood is raw material, is courageously envisioned, and is carefully solved,
The processing mode being combined with chemical method using physics, through getting the raw materials ready, presteaming, dipping, oxygen-alkaline boiling, washing, screening is beaten
Starch and manufacture paper with pulp, prepare high added value, environmental pollution is small, true qualities bamboo fibre of satisfactory quality water suction lining paper.Due to
Whole process does not use the harmful chemical agents such as bleaching agent, brightening agent, and Stop harm environmental and biological materials health is lasting from source
Property organic pollution generation, be prevented effectively from the track of an overturned cart for following environmental pollution, thus can realize absorb water lining paper prepare it is sustainable
Development is harmonious with environmental protection, while ensureing its pure, natural essential characteristic, meets consumer demand, wins and disappears
Approval of the person of expense to true qualities water suction lining paper product, drives related industry development.If this technology can be applied aborning, will
Bring good economic interests, environmental benefit and social benefit.
Proportionate relationship described in the application, unless otherwise specified, represents mass ratio；% represents wt%.
The positive effect of the present invention is embodied in：
(1) present invention whole process does not use the harmful chemical agents such as bleaching agent, fluorescent material, the Stop harm environment from source
(such as chloroform, chloro phenol compound, Lv Dai bioxin and furans have with the persistence organic pollutant of organism health
The chlorinatedorganic of poison) generation, be harmless to the Environmental insults free of contamination health-care environment protection type product of a new generation, maintain suction
Pure, the natural essential characteristic of water lining paper, meets consumer demand, wins the public praise of consumer, to water suction lining paper sale tool
There is stronger market motive force.
(2) present invention adheres to the objective of " keeping on improving, quality oriented ", and new skill is prepared by bamboo fiber is continually developed
Art, constantly for consumer provides, quality is more professional, and concept is leading, for the purpose of the more economical product of price.With reference to the state of China
Feelings, are replaced using the quality-high and inexpensive bamboo wood of China or part replaces the true qualities water suction lining paper of wood producing high added value, exploitation one
The water suction lining paper preparation technology of kind suitable China's national situation, not only solve the natural materials such as timber by cultivated area, growth cycle,
The constraint of the factor such as the ecological balance and cost causes its limits throughput problem so that again many in the production field of water suction lining paper
A kind of new raw material of new sustainable regeneration, and production cost substantially reduces, and alleviates the cost of material of China's relevant industries
Pressure, can especially alleviate or prevent to have to cause external speculator's import pulp by import due to China's wood raw material scarcity
Monopolization.
(3) present invention is raw material using bamboo wood, and using presteaming, dipping and oxygen-alkaline boiling, its major advantage is to ring
Border pollution is small, the exhaust emission that traditional, extensive, classical kraft cooking is produced is eliminated from source, without first sulphur
The foul smell such as alcohol, methyl sulfide.And the present invention will also be purified and screening is combined in an equipment, has fully demonstrated one-machine-multi-function
Effect, can remove simultaneously it is light, weigh two class impurity, thus simplify handling process.
(4) the true qualities water suction lining paper that prepared by the present invention has bacteriostasis antibiosis antianaphylaxis high, and soft comfortable.In spy
Different period (including infantile period, female menstrual period, incontinence phase etc.), using true qualities of the invention water suction lining paper product, is effectively reduced
Pathogen infects and stimulates the probability of allergy.
(5) present invention is raw material using bamboo wood, and being combined treatment with chemical method through Physical prepares true qualities water suction lining paper,
Existing bleaching water suction lining paper raw materials for production can be solved not enough, because bleaching is more using the bleaching of efficient chlorine-containing bleaching, cause bleaching
Section chemicals consumption and equipment investment increase, and pulping yield declines, and raw material availability is relatively low, and personnel labor intensity increases, raw
Cost is produced the problems such as increase, and bleaching water suction lining paper contains more fiber fines, to its physical strength, water imbibition, bulk,
The problems such as index such as flexibility and gas permeability has undesirable effect.True qualities water suction lining paper obtained by the present invention has preferable thing
Reason intensity, soft comfortable, water imbibition and good permeability, and well the sanitary index such as bacteriostasis antibiosis antianaphylaxis meets the requirements.
The true qualities water suction lining paper produced is fully able to meet the requirement of imbibition product, so as to can realize paper industry sustainable development and protect
Retaining ring border is harmonious, if it is possible to apply aborning, can bring good economic interests and environmental benefit and society to enterprise
Can benefit.
Specific embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to specific embodiment pair
The present invention is described in further detail, but this scope for being interpreted as above-mentioned theme of the invention should not be only limitted into following implementations
Example.
Embodiment 1：
(1) bamboo wood is directly cut to 10-50mm long, 5-20mm wide, washed away after material washing machine surface impurity and remove it is unnecessary
Presteaming vessel is sent into after moisture carries out normal pressure presteaming, and steaming time is 10min.
(2) impregnation stage：Bamboo chip feeding infuser after presteaming.
Impregnation stage device therefor is the pressure-expandable infuser of standpipe, mainly by charge door, feeding screw, dipping lifting spiral shell
Rotation, preheater etc. are constituted.Wherein feeding screw compression ratio is 4: 1.
Tablet impregnation stage residence time 15min, 75 DEG C of temperature, dipping lifting spiral in add chemical liquid, phase
For over dry material quality, sodium hydroxide concentration 5%.
(3) oxygen-alkaline boiling：Bamboo chip after dipping is sent into boiling vessel.
Oxygen alkali cooking point two-stage is carried out.
The first order：Whole chemicals are added, using alkali charge and oxygen consuming amount high, to reach delignification rate high,
But temperature is relatively low, the reaction time is shorter, to prevent the decline of the viscosity and yield of paper pulp.Relative to over dry material quality, hydrogen-oxygen
Change sodium consumption 8%, magnesium sulfate consumption 1%, oxygen pressure 1.0MPa, 85 DEG C of temperature, time 80min, (liquor ratio refers in digester to liquor ratio
The ratio between over dry material quality and the total liquid accumulated amount of boiling) it is 1: 7.
The second level：Chemicals is not added with, an oxygen, Main Function is extracting, and oxygen consuming amount is low, and temperature is higher, the time
It is more long, to continue to remove the things such as the lignin, short chain hemicellulose, ash content, organic solvent extract, the heteroproteose cell that are remained in slurry
Matter, purifies paper pulp, reaches water suction lining paper mechanical strength higher, bulk and absorbency, and soft comfortable quality requirement.Oxygen
Pressure 0.5MPa, 120 DEG C of temperature, time 150min.
Oxygen-alkaline boiling curve is：Bamboo chip after dipping is sent into boiling vessel, while the chemicals needed for feeding, is passed through
Oxygen to pressure is 1.0MPa, is then heated to 85 DEG C, and reaction 80min terminates.First order oxygen-alkaline boiling bleeds off pressure to pressure after terminating
Power is 0MPa, then logical oxygen is to 0.5MPa, is then heated to 120 DEG C, and reaction 150min terminates, and puts pot.
(4) wash：By the slurry after oxygen-alkaline boiling through vacuum pulp washing machine washing concentrating, produced scrub raffinate is excluded,
The mass concentration for concentrating disposed slurry is 10%.
(5) screen：Slurry after washing concentrating is pumped into screening installation after dilution --- nixing sieve.
Enter to starch pressure 0.15MPa, pulp pressure 0.01MPa, enter to starch concentration 3.5wt%, exit concentration 2.5wt%.
(6) it is beaten：By the slurry after sieve it is concentrated after be beaten.The present invention use in or high consistency beating.
To true qualities bamboo pulp beating time 100min, beating degree is 50 ° of SR after the completion of mashing.
Beating equipment use in or high concentration plate mill, in or high consistency beating be especially suitable in, short fibered pulp.
(7) manufacture paper with pulp：Slurry after mashing is manufactured paper with pulp, the water suction lining paper of true qualities is obtained.Bactericide is being added with stock tank
And wet strength agent, relative to oven dry stock quality, bactericide alkyl imidazoline quaternary ammonium salt consumption 0.1%, wet strength agent polyamide polyamine-table
Epichlorohydrin resin consumption 2.0%.Dispersant is added in head box, relative to oven dry stock quality, dispersant potassium pyrophosphate consumption
1.5%.
The physical performance index of obtained true qualities water suction lining paper is：Longitudinal tensile index 14.8Nm/g, horizontal anti-tensile
Index 4.9Nm/g, longitudinal wet tensile (strength) 49.7N/m, horizontal wet tensile (strength) 19.6N/m, horizontal water imbibition (finished layer)
45mm/100s, quantitative 39.6g/m2, whiteness 49.8%ISO, pentosan 7.2%, ash content 0.8%, bulk 5.5cm3/ g, it is soft
Degree (finished layer is average in length and breadth) 245mN.
Comparative example 1：True qualities water suction lining paper cancels impregnation stage when preparing, and remaining technique, flow are same as Example 1.Institute
The physical performance index of obtained true qualities water suction lining paper is：Longitudinal tensile index 10.7Nm/g, horizontal tensile index 2.1N
M/g, longitudinal wet tensile (strength) 21.4N/m, horizontal wet tensile (strength) 8.2N/m, horizontal water imbibition (finished layer) 21mm/100s are fixed
Amount 39.4g/m2, whiteness 42.7%ISO, pentosan 10.4%, ash content 1.7%, bulk 5.4cm3/ g, pliability (indulge by finished layer
It is horizontal average) 263mN.
Comparative test 1：Embodiment 1 is drawn compared with comparative example 1, the former has impregnation stage, the latter eliminates impregnation stage, its
Remaining technique, flow are identical, and the former improves 38.3% than the latter longitudinal direction tensile index, and horizontal tensile index, longitudinal wet resist
Zhang Qiangdu, horizontal wet tensile (strength) and horizontal water imbibition have been turned over 1 times and have been had a surplus, and lining paper purity is improved, and show that whiteness increases by 7
Percentage point, pentosan declines 3 percentage points, and ash content declines nearly 1 percentage point.Analysis reason is as follows：
Cancel impregnation stage, that is, eliminate the compression-expansion-absorption alkali lye-heating whole process of impregnation stage.The work of impregnation stage
With not in presence.(such as impregnation stage can be prevented effectively from because bamboo chip became uneven is even, and the air discharged in presteaming is also uneven
It is even, can influence bamboo chip absorb liquid uniformity, influence follow-up oxygen-alkaline boiling inhomogeneities the problems such as.And extruded by extruding
The materials such as the air and moisture and resin of bamboo chip surface and inside, crush ring, bamboo chip is longitudinally produced many fine cracks,
Uniform beneficial to follow-up liquid is impregnated with, and follow-up boiling is become easy, improves the quality of boiling.The hydrogen added in impregnation stage
Sodium oxide molybdena purpose is：Remove alkali-soluble inorganic matter and organic matter in bamboo chip, such as inorganic salts, polysaccharose substance, the half of short chain
The lignin of cellulose and low-molecular-weight, and the impurity such as part organic solvent extract, destroy the fat of bamboo material exocuticle
Wax, increases space on cell membrane, and cell membrane becomes soft, and the bamboo chip and heated device after alkali process heat,
The effect of the irreversible softening of bamboo chip is further increased, the diffusion of medicinal liquid osmosis and product is molten when being follow-up oxygen-alkaline boiling
Go out to establish passage, while increasing bamboo fiber with alkali lye and the contact area of oxygen, it is therefore prevented that tablet inside produces boiling
Incomplete phenomenon, beneficial to being smoothed out for follow-up oxygen-alkaline boiling process, increased delignification efficiency, improve the equal of boiling
Even property, improves into the quality of slurry).
Embodiment 2
(1) bamboo wood is directly cut to 10-50mm is long, 5-20mm wide washes away surface impurity and removes superfluous water through material washing machine
Presteaming vessel is sent into after point carries out normal pressure presteaming, and steaming time is 15min.
(2) impregnation stage：Bamboo chip feeding infuser after presteaming.
Impregnation stage device therefor is the pressure-expandable infuser of standpipe, mainly by charge door, feeding screw, dipping lifting spiral shell
Rotation, preheater etc. are constituted.Wherein feeding screw compression ratio is 5: 1.
Tablet impregnation stage residence time 30min, temperature 60 C, dipping lifting spiral in add chemical liquid, phase
For over dry material quality, sodium hydroxide concentration 3%.
(3) oxygen-alkaline boiling：Bamboo chip after dipping is sent into boiling vessel.
Oxygen alkali cooking point two-stage is carried out.
The first order：Relative to over dry material quality, sodium hydroxide concentration 15%, magnesium carbonate consumption 2%, oxygen presses 0.8MPa,
80 DEG C of temperature, time 70min, liquor ratio 1: 8.
The second level：Oxygen presses 0.3MPa, 140 DEG C of temperature, time 120min.
Oxygen-alkaline boiling curve is：Bamboo chip after dipping is sent into boiling vessel, while the chemicals needed for feeding, is passed through
Oxygen to pressure is 0.8MPa, is then heated to 80 DEG C, and reaction 70min terminates.First order oxygen-alkaline boiling bleeds off pressure to pressure after terminating
Power is OMPa, then logical oxygen is to 0.3MPa, is then heated to 140 DEG C, and reaction 120min terminates, and puts pot.
(4) wash：By the slurry after oxygen-alkaline boiling through vacuum pulp washing machine washing concentrating, produced scrub raffinate is excluded,
The mass concentration for concentrating disposed slurry is 15%.
(5) screen：Slurry after washing concentrating is pumped into screening installation after dilution --- nixing sieve.
Enter to starch pressure 0.35MPa, pulp pressure 0.05MPa, enter to starch concentration 2%, exit concentration 1.6%.
(6) it is beaten：By the slurry after sieve it is concentrated after be beaten.
To true qualities bamboo pulp beating time 70min, beating degree is 40 ° of SR after the completion of mashing.
(7) manufacture paper with pulp：Slurry after mashing is manufactured paper with pulp, the water suction lining paper of true qualities is obtained.Bactericide is being added with stock tank
And wet strength agent, relative to oven dry stock quality, bactericide alkyl imidazoline quaternary ammonium salt consumption 0.5%, wet strength agent polyamide polyamine-table
Epichlorohydrin resin consumption 2.5%.Dispersant is added in head box, relative to oven dry stock quality, dispersant polyethylene glycol oxide consumption
0.05%.
The physical performance index of obtained true qualities water suction lining paper is：Longitudinal tensile index 12.1Nm/g, horizontal anti-tensile
Index 3.4Nm/g, longitudinal wet tensile (strength) 42.7N/m, horizontal wet tensile (strength) 13.6N/m, horizontal water imbibition (finished layer)
65mm/100s, quantitative 10.2g/m2, whiteness 40.3%ISO, pentosan 7.8%, ash content 0.7%, bulk 6.5cm3/ g, it is soft
Degree (finished layer is average in length and breadth) 207mN.
Embodiment 3
(1) bamboo wood is directly cut to 10-50mm is long, 5-20mm wide washes away surface impurity and removes superfluous water through material washing machine
Presteaming vessel is sent into after point carries out normal pressure presteaming, and steaming time is 5min.
(2) impregnation stage：Bamboo chip feeding infuser after presteaming.
Impregnation stage device therefor is the pressure-expandable infuser of standpipe, mainly by charge door, feeding screw, dipping lifting spiral shell
Rotation, preheater etc. are constituted.Wherein feeding screw compression ratio is 4: 1.
Tablet impregnation stage residence time 20min, 95 DEG C of temperature, dipping lifting spiral in add chemical liquid, phase
For over dry material quality, sodium hydroxide concentration 2%.
(3) oxygen-alkaline boiling：Bamboo chip after dipping is sent into boiling vessel.
Oxygen alkali cooking point two-stage is carried out.
The first order：Relative to over dry material quality, sodium hydroxide concentration 10% aoxidizes enzyme dosage 3%, and oxygen presses 0.9MPa,
90 DEG C of temperature, time 60min, liquor ratio 1: 5.
The second level：Oxygen presses 0.6MPa, 130 DEG C of temperature, time 100min.
Oxygen-alkaline boiling curve is：Bamboo chip after dipping is sent into boiling vessel, while the chemicals needed for feeding, is passed through
Oxygen to pressure is 0.9MPa, is then heated to 90 DEG C, and reaction 60min terminates.First order oxygen-alkaline boiling bleeds off pressure to pressure after terminating
Power is 0MPa, then logical oxygen is to 0.6MPa, is then heated to 130 DEG C, and reaction 100min terminates, and puts pot.
(4) wash：By the slurry after oxygen-alkaline boiling through vacuum pulp washing machine washing concentrating, produced scrub raffinate is excluded,
The mass concentration for concentrating disposed slurry is 12%.
(5) screen：Slurry after washing concentrating is pumped into screening installation after dilution --- nixing sieve.
Enter to starch pressure 0.25MPa, pulp pressure 0.03MPa, enter to starch concentration 5%, exit concentration 3.5%.
(6) it is beaten：By the slurry after sieve it is concentrated after be beaten.
To true qualities bamboo pulp beating time 80min, beating degree is 46 ° of SR after the completion of mashing.
(7) manufacture paper with pulp：Slurry after mashing is manufactured paper with pulp, the water suction lining paper of true qualities is obtained.Bactericide is being added with stock tank
And wet strength agent, relative to oven dry stock quality, bactericide alkyl imidazoline quaternary ammonium salt consumption 0.3%, wet strength agent polyamide polyamine-table
Epichlorohydrin resin consumption 0.05%.Dispersant is added in head box, relative to oven dry stock quality, dispersant aliphatic alcohol polyethenoxy
Ether methyl-monosilane consumption 2.5%.
The physical performance index of obtained true qualities water suction lining paper is：Longitudinal tensile index 13.8Nm/g, horizontal anti-tensile
Index 3.1Nm/g, longitudinal wet tensile (strength) 30.3N/m, horizontal wet tensile (strength) 10.4N/m, horizontal water imbibition (finished layer)
54mm/100s, quantitative 15.4g/m2, whiteness 35.6%ISO, pentosan 7.5%, ash content 0.7%, bulk 5.9cm3/ g, it is soft
Degree (finished layer is average in length and breadth) 237mN.
Biocidal property is tested：
1st, test object：High water absorption lining paper prepared by embodiment 1-3；
2nd, test index：Escherichia coli, staphylococcus aureus and Candida albicans；
3rd, experimental technique：With reference to GB/T 20944.3-2008；
4th, experimental result：See the table below shown.
Table embodiment 1-3 prepares high water absorption lining paper biocidal property test result
Note S. aureus L-forms refer to staphylococcus aureus, bacterium (or mould) concentration of Wo standards blank sample " 0 " time of contact
CFU/mL；Bacterium (or mould) concentration C FU/mL after Wt standards blank sample vibration 18h；Qt antibiotic fabrics sample vibrates 18h
Bacterium (or mould) concentration C FU/mL afterwards.
Learnt by upper table, true qualities bamboo of the invention water suction lining paper to Escherichia coli, staphylococcus aureus up to 99% with
On, to Candida albicans up to more than 98%, therefore true qualities of the invention water suction lining paper to Escherichia coli, staphylococcus aureus and
Candida albicans is respectively provided with very strong bacteriostasis antibiosis.
Example described above is only the preferred embodiment of this patent, but the protection domain of this patent is not limited thereto.
It should be pointed out that for those skilled in the art, on the premise of this patent principle is not departed from, according to this specially
The technical scheme and its inventional idea of profit, can also make some improvements and modifications, and these improvements and modifications also should be regarded as this specially
The protection domain of profit.
Claims (5)
1. it is a kind of for amenities production true qualities bamboo fibre high water absorption lining paper preparation method, it is characterised in that the method bag
Include following steps：
（1）Material is got the raw materials ready：Bamboo wood is cut into 10-50mm is long, the bamboo chip of 5-20mm wide washes away surface impurity and removes through material washing machine
Moisture；
（2）Presteaming：By step（1）The bamboo chip feeding presteaming vessel for obtaining, carries out normal pressure presteaming, and steaming time is 5-15min；
（3）Impregnation stage：By step（2）Bamboo chip feeding infuser after presteaming；Residence time 15- of the tablet in impregnation stage
30min, 60-95 DEG C of temperature adds chemical liquid in dipping lifting spiral；The chemical liquid is NaOH, relative to
Over dry material quality, the consumption of NaOH is 2-5%；
（4）Oxygen-alkaline boiling：By step（3）Bamboo chip feeding boiling vessel after dipping carries out oxygen alkali cooking, and oxygen alkali cooking is divided to two grading
OK：The first order：Whole chemicals are added, using alkali charge and oxygen consuming amount high, oxygen pressure is 0.8-1.0MPa, temperature
80-90 DEG C, time 60-80min, liquor ratio 1：5-8, described chemicals is NaOH, relative to over dry material quality, hydrogen
Sodium oxide molybdena consumption 8-15%；
The second level：Chemicals is not added with, an oxygen, oxygen pressure is 0.3-0.6MPa, 120-140 DEG C of temperature, time 100-
150min；
（5）Washing：By step（4）The slurry for obtaining is excluded through vacuum pulp washing machine washing concentrating, produced scrub raffinate, concentration
The mass concentration of disposed slurry is 10-15%；
（6）Screening：By step（5）The slurry for obtaining is pumped into screening installation nixing sieve after dilution, enters to starch pressure 0.15-
0.35MPa, pulp pressure 0.01-0.05MPa, enter to starch concentration 2-5wt%, exit concentration 1.6-3.5wt%；
（7）Mashing：By step（6）It is beaten after slurry after sieve is concentrated；To true qualities bamboo pulp beating time 70-100min,
Beating degree is 40-50 after the completion of mashing0SR；
（8）Manufacture paper with pulp：By step（7）Slurry after mashing is manufactured paper with pulp, and obtains the water suction lining paper of true qualities.
2. the preparation method of the true qualities bamboo fibre high water absorption lining paper of amenities production is used for according to claim 1, and it is special
Levy and be：Step（8）In, bactericide and wet strength agent are being added with stock tank, relative to oven dry stock quality, bactericide consumption is 0.1-
0.5%, wet strengthening agent is 0.05-2.5%, and dispersant is added in head box, and relative to oven dry stock quality, dispersant dosage is
0.05-2.5%。
3. the preparation method of the true qualities bamboo fibre high water absorption lining paper of amenities production is used for according to claim 2, and it is special
Levy and be：Described bactericide is alkyl imidazoline quaternary ammonium salt；Described wet strength agent is polyamide polyamine-epichlorohydrin resins；Institute
The dispersant stated is AEO methyl-monosilane, potassium pyrophosphate, sodium sulfate of polyethenoxy ether of fatty alcohol and polyoxygenated
Any one in ethene.
4. the preparation method of the true qualities bamboo fibre high water absorption lining paper of amenities production is used for according to claim 1, and it is special
Levy and be：Magnesium salts is added in first order oxygen-alkaline boiling, relative to over dry material quality, magnesium salts consumption is 1-3%, described magnesium
Salt refers to magnesium sulfate, magnesium carbonate or oxidizing ferment.
5. the preparation method of the true qualities bamboo fibre high water absorption lining paper of amenities production is used for according to claim 1, and it is special
Levy and be：Oxygen alkali cooking is operated using oxygen transformation method, i.e., it is 0MPa that first order oxygen-alkaline boiling bleeds off pressure to pressure after terminating, then
Second level oxygen-alkaline boiling is carried out, leads to oxygen to 0.3-0.6MPa, be then heated to 120-140 DEG C, reaction 100-150min knots
Beam, puts pot.
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101058956A (en) * | 2007-05-21 | 2007-10-24 | 山东恒联投资有限公司 | Method of manufacturing high ventilating adsorption lining paper |
| CN101613975A (en) * | 2009-07-17 | 2009-12-30 | 中国林业科学研究院林产化学工业研究所 | Utilize the poplar industrial wood waste to produce cultural paper and join the method for floating the whitening machine slurry of plagiarizing |
| US20130071678A1 (en) * | 2011-09-21 | 2013-03-21 | Thomas Gerard Shannon | Tissue Product Comprising Bamboo |
| CN103374861A (en) * | 2013-08-12 | 2013-10-30 | 夹江汇丰纸业有限公司 | Production process of environmental-friendly healthful household paper |
| CN104711900A (en) * | 2013-12-17 | 2015-06-17 | 上海东冠纸业有限公司 | Making method of water absorption lining paper for sanitary napkins |
| CN106381741A (en) * | 2016-11-11 | 2017-02-08 | 中国林业科学研究院林产化学工业研究所 | Bamboo chemimechanical pulp bioenzyme pretreatment method |
-
2017
- 2017-03-22 CN CN201710172917.3A patent/CN106835793B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101058956A (en) * | 2007-05-21 | 2007-10-24 | 山东恒联投资有限公司 | Method of manufacturing high ventilating adsorption lining paper |
| CN101613975A (en) * | 2009-07-17 | 2009-12-30 | 中国林业科学研究院林产化学工业研究所 | Utilize the poplar industrial wood waste to produce cultural paper and join the method for floating the whitening machine slurry of plagiarizing |
| US20130071678A1 (en) * | 2011-09-21 | 2013-03-21 | Thomas Gerard Shannon | Tissue Product Comprising Bamboo |
| CN103374861A (en) * | 2013-08-12 | 2013-10-30 | 夹江汇丰纸业有限公司 | Production process of environmental-friendly healthful household paper |
| CN104711900A (en) * | 2013-12-17 | 2015-06-17 | 上海东冠纸业有限公司 | Making method of water absorption lining paper for sanitary napkins |
| CN106381741A (en) * | 2016-11-11 | 2017-02-08 | 中国林业科学研究院林产化学工业研究所 | Bamboo chemimechanical pulp bioenzyme pretreatment method |
Non-Patent Citations (1)
| Title |
|---|
| 詹怀宇: "《制浆原理与工程（第三版）》", 31 January 2009 * |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107447588A (en) * | 2017-09-11 | 2017-12-08 | 四川唤初新材料有限公司 | The preparation technology of the instant lavatory paper of the full bamboo fibre of true qualities |
| CN107988835A (en) * | 2017-10-16 | 2018-05-04 | 四川永丰纸业股份有限公司 | A kind of method that low temperature displacement dipping produces high yield pulp1 true qualities bamboo pulp |
| CN108149500A (en) * | 2017-12-14 | 2018-06-12 | 贵州华农集团生态畜牧科技发展有限公司 | The preparation method of true qualities gold and silver grass fiber water suction lining paper |
| CN108149500B (en) * | 2017-12-14 | 2019-05-28 | 贵州华农集团生态畜牧科技发展有限公司 | The preparation method of true qualities gold and silver grass fiber water suction lining paper |
| CN109972452A (en) * | 2017-12-28 | 2019-07-05 | 北京小池原品科技有限公司 | A kind of preparation method of true qualities bamboo pulp paper for daily use |
| CN108914705A (en) * | 2018-08-08 | 2018-11-30 | 东莞市白天鹅纸业有限公司 | A kind of double-colored roll paper and its production method |
| CN110693372A (en) * | 2019-10-18 | 2020-01-17 | 重庆理文卫生用纸制造有限公司 | Natural color high wet strength face tissue and production process thereof |
| CN112064416A (en) * | 2020-09-04 | 2020-12-11 | 江苏好健康新材料有限公司 | Multifunctional kitchen odor-removing dust-free paper and manufacturing method thereof |
| CN114136260A (en) * | 2021-09-02 | 2022-03-04 | 浙江鹤丰新材料有限公司 | Method for measuring comprehensive performance of moso bamboo paper cup |
| CN114717869A (en) * | 2022-03-31 | 2022-07-08 | 浙江山鹰纸业有限公司 | Method for producing papermaking bamboo pulp |
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