CN107740305A - A kind of method that stalk prepares high-strength corrugated base paper - Google Patents
A kind of method that stalk prepares high-strength corrugated base paper Download PDFInfo
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- CN107740305A CN107740305A CN201711183630.7A CN201711183630A CN107740305A CN 107740305 A CN107740305 A CN 107740305A CN 201711183630 A CN201711183630 A CN 201711183630A CN 107740305 A CN107740305 A CN 107740305A
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- straw
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- pulp
- straw marrow
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- 238000000034 method Methods 0.000 title claims abstract description 53
- 239000010902 straw Substances 0.000 claims abstract description 286
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 91
- 239000002002 slurry Substances 0.000 claims abstract description 57
- KFSLWBXXFJQRDL-UHFFFAOYSA-N Peracetic acid Chemical compound CC(=O)OO KFSLWBXXFJQRDL-UHFFFAOYSA-N 0.000 claims abstract description 40
- 239000000463 material Substances 0.000 claims abstract description 27
- 238000012216 screening Methods 0.000 claims abstract description 26
- 239000004816 latex Substances 0.000 claims abstract description 24
- 229920000126 latex Polymers 0.000 claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 22
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000000843 powder Substances 0.000 claims abstract description 16
- 238000007654 immersion Methods 0.000 claims abstract description 15
- 238000011282 treatment Methods 0.000 claims abstract description 15
- 230000018044 dehydration Effects 0.000 claims abstract description 13
- 238000006297 dehydration reaction Methods 0.000 claims abstract description 13
- 230000010355 oscillation Effects 0.000 claims abstract description 12
- 238000005406 washing Methods 0.000 claims abstract description 10
- OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical compound O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 claims description 32
- 238000007670 refining Methods 0.000 claims description 17
- 239000004155 Chlorine dioxide Substances 0.000 claims description 16
- 235000019398 chlorine dioxide Nutrition 0.000 claims description 16
- 238000000227 grinding Methods 0.000 claims description 12
- 238000004537 pulping Methods 0.000 claims description 12
- 238000002360 preparation method Methods 0.000 claims description 10
- 238000003756 stirring Methods 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 4
- 239000002994 raw material Substances 0.000 abstract description 20
- 238000004519 manufacturing process Methods 0.000 abstract description 18
- 239000002154 agricultural waste Substances 0.000 abstract description 5
- 229920002472 Starch Polymers 0.000 abstract description 3
- 229920002678 cellulose Polymers 0.000 abstract description 3
- 239000001913 cellulose Substances 0.000 abstract description 3
- 238000004064 recycling Methods 0.000 abstract description 3
- 235000019698 starch Nutrition 0.000 abstract description 3
- 239000000203 mixture Substances 0.000 abstract description 2
- 230000035484 reaction time Effects 0.000 abstract description 2
- 239000000123 paper Substances 0.000 description 61
- 239000000243 solution Substances 0.000 description 45
- 240000008042 Zea mays Species 0.000 description 22
- 235000002017 Zea mays subsp mays Nutrition 0.000 description 22
- 239000000835 fiber Substances 0.000 description 21
- 235000016383 Zea mays subsp huehuetenangensis Nutrition 0.000 description 20
- 235000009973 maize Nutrition 0.000 description 20
- 239000002585 base Substances 0.000 description 19
- 229920001131 Pulp (paper) Polymers 0.000 description 9
- 239000010893 paper waste Substances 0.000 description 9
- 238000012545 processing Methods 0.000 description 8
- 239000000126 substance Substances 0.000 description 8
- 239000003513 alkali Substances 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 6
- 239000013068 control sample Substances 0.000 description 5
- 239000002699 waste material Substances 0.000 description 5
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 4
- 239000011575 calcium Substances 0.000 description 4
- 229910052791 calcium Inorganic materials 0.000 description 4
- 230000007613 environmental effect Effects 0.000 description 4
- 238000002156 mixing Methods 0.000 description 4
- 241000209140 Triticum Species 0.000 description 3
- 235000021307 Triticum Nutrition 0.000 description 3
- 238000007598 dipping method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 2
- 235000007164 Oryza sativa Nutrition 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 235000005824 Zea mays ssp. parviglumis Nutrition 0.000 description 2
- 239000007864 aqueous solution Substances 0.000 description 2
- 238000010009 beating Methods 0.000 description 2
- 230000033228 biological regulation Effects 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 2
- 235000005822 corn Nutrition 0.000 description 2
- 238000006731 degradation reaction Methods 0.000 description 2
- 239000001257 hydrogen Substances 0.000 description 2
- 229910052739 hydrogen Inorganic materials 0.000 description 2
- 229920005610 lignin Polymers 0.000 description 2
- 238000005360 mashing Methods 0.000 description 2
- 238000012856 packing Methods 0.000 description 2
- 235000009566 rice Nutrition 0.000 description 2
- 239000008107 starch Substances 0.000 description 2
- 239000002028 Biomass Substances 0.000 description 1
- 241000675108 Citrus tangerina Species 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 235000019750 Crude protein Nutrition 0.000 description 1
- 229920002488 Hemicellulose Polymers 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 241000204914 Salmonella enterica subsp. enterica serovar Give Species 0.000 description 1
- 235000021355 Stearic acid Nutrition 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 230000003078 antioxidant effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 229910000019 calcium carbonate Inorganic materials 0.000 description 1
- 235000013339 cereals Nutrition 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 235000019784 crude fat Nutrition 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000029087 digestion Effects 0.000 description 1
- 239000010791 domestic waste Substances 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000010297 mechanical methods and process Methods 0.000 description 1
- 230000002906 microbiologic effect Effects 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
- OQCDKBAXFALNLD-UHFFFAOYSA-N octadecanoic acid Natural products CCCCCCCC(C)CCCCCCCCC(O)=O OQCDKBAXFALNLD-UHFFFAOYSA-N 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 239000005022 packaging material Substances 0.000 description 1
- 239000011087 paperboard Substances 0.000 description 1
- 238000005554 pickling Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
- 239000008117 stearic acid Substances 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 239000002023 wood Substances 0.000 description 1
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 description 1
Classifications
-
- 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
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F11/00—Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines
- D21F11/12—Making corrugated paper or board
Landscapes
- Paper (AREA)
Abstract
The present invention discloses a kind of method that stalk prepares high-strength corrugated base paper, relates to the use of cellulose field of papermaking；After stalk is dried, separate straw skin and straw marrow, straw skin are processed into section, soaked in NaOH solution or KOH solution, then carry out two sections of defibrinations, screening the pulp is carried out after defibrination, neutrality is washed to after screening the pulp, dehydration is standby；After straw marrow crushes, straw marrow powder mix with NaOH solution or KOH solution, after material immersion washing add water to obtain straw marrow slurry to neutrality, Peracetic acid added in being starched to straw marrow or hydrochloric acid solution is added in being starched to straw marrow adjust pH value that straw marrow starches to less than 3；Straw marrow slurry is stirred or oscillation treatment again, is mixed after washing to neutrality with straw latex, fluting medium processed is copied using mixed pulp；The abundant raw material that the inventive method is chosen, simple production process, the reaction time is short, and time-consuming less, power consumption is low, is advantageous to the recycling of agricultural wastes.
Description
Technical field
The present invention discloses a kind of method for preparing high-strength corrugated base paper, relates to the use of cellulose field of papermaking, specifically
Say it is a kind of method that stalk prepares high-strength corrugated base paper.
Background technology
Corrugated board makes simply because its amount is gently inexpensive, and can recycle, and extensively should be obtained in people's production and living
With.Due to using packing container made of corrugated board to beautifying and protecting built-in commodity to have its unique performance and advantage,
With obtaining great success in the competition of various packaging materials.Nowadays, it is indispensable to have become all trades and professions for corrugated paper
Package paper, particularly recently as the prevailing of China's net purchase, package paper demand is suddenly increased, has promoted corrugated paper significantly
The development of production industry.Fluting medium is one of important composition material for producing corrugated board, and fluting medium requires that fiber combines
Intensity is good, and paper is smooth, there is preferable tightness and deflection, and has certain elasticity, with carton made of guarantee have it is shockproof and
Voltage endurance capability.At present, the fluting medium of production is broadly divided into 6 kinds according to slurrying pattern：The whole America is useless, U.S. useless-state is useless, U.S. useless-grass
Slurry, state be useless-straw pulp, U.S. useless-state be useless-straw pulp and herb slurry, use more universal high-strength corrugated base paper raw materials for production for
U.S. gives up or U.S. useless-Straw Pulp.Given up with U.S.A as corrugated paper raw materials for production, manufacturing enterprise also needs to stack its appropriate storage, packing
And rainproof ventilation, must also unpack sorting before size degradation waste paper, because the complicated component of waste paper, debris are more, select not only
The efficiency that wastes time and energy is low, and pollutes big.With the gradual enhancing that Environmental Protection in China is realized, the control to imported waste paper is tight all the more
Lattice, largely have impact on domestic waste paper price and secondary stock yield, and waste paper market has occurred that supply falls short of demand and appreciated
Situation, given up so as to also directly affects with U.S.A as the production of the corrugated paper of raw material.For these reasons, to meet economic society of China
Can the demand growing to corrugated paper, the corrugated paper raw materials for production for finding alternative secondary stock seem and are even more important.
China is large agricultural country, and according to statistics, wheat cultivation area in 2016 is 24,190,000 hectares, wheat yield nearly 1.3 hundred million
Ton；Paddy cultivated area is 30,160,000 hectares, and yield is about 2.07 hundred million tons；36,760,000 hectares of maize sown area, corn yield
For 2.2 hundred million tons.It is envisioned that along with wide cultivated area and huge grain yield, substantial amounts of agricultural also can be accordingly produced
Discarded object is stalk.By taking corn as an example, every year up to as many as 2.6 hundred million tons, this huge agricultural resource exists maize straw yield
In addition to domestic energy is used as, that largely abandons not only causes in ground, or on-site incineration, only small part as feed in rural area
A large amount of wastes of stalk resource, and huge pollution is caused to environment.Stalk is made up of straw skin, straw marrow and leaf portion, straw skin
Main component is cellulose and lignin；Straw marrow then includes substantial amounts of hemicellulose, starch and a small amount of protein ingredient；Straw leaf is main
Contain crude protein, crude fat and glucide.Straw skin, intensity is high, good toughness, is the good raw material for pulp production.
Wherein Publication No. WO2017166854 (A1) international monopoly is described one kind and prepared using straw and secondary stock
The method of fluting medium.It is 28-32 ° of SR that straw is slightly first starched to mashing to beating degree, and weight in wet base is between 3.2-3.8g, then by waste paper
Slurry mashing is 28-32 ° of SR to beating degree, and weight in wet base is between 2.5-2.8g.Then, according to 7:3 ratio mixes rice straw pulp and given up
Paper pulp, conveying mixing slurry to paper machine produce fluting medium.The invention produces using straw as raw materials for production for corrugated paper, expands
The utilization ways of agricultural wastes, be advantageous to the recycling of straw, but this method is only capable of preparing the product of lower quality,
Properties of product have special further raising.
Publication No. US7186316 (B1) United States Patent (USP) using maize straw through boiling, washing, screening, concentration, beat
Starch and prepare paper pulp after drying, this method has fewer environmental impacts, and wood raw material can be replaced to be given birth to for paper pulp to a certain extent
Production, beneficial to the rational utilization of stalk resource, increases farmers' income.The paper pulp of preparation can be used to general paper production and also can use
In the preparation of corrugated paper.But because this method does not carry out the separation of straw skin and straw marrow, the presence of straw marrow is unfavorable for digestion process
Progress, the consumption of chemical reagent can be increased, influence dewatering of pulp, concentration, so as to limit its extensive use.
Numerous studies have been done to agricultural stalk production corrugated paper by China, and Publication No. CN104988790A Chinese invention is special
Profit discloses a kind of method that corrugated paper is prepared with straw and waste paper, and preparation process is：（1）Straw pretreatment → softening → micro- life
Thing decomposition → sub-wire → defibrination → screening the pulp → obtain straw slurry；（2）The purification of size degradation → slurry of waste paper and removal of impurities → slurry
Concentration, curing and middle concentrated jordaning → obtain waste paper pulp；（3）Straw slurry is mixed into copy paper with waste paper pulp in proportion, prepared
Corrugated paper product.The invention make use of agricultural wastes --- and straw produces corrugated paper, changes original making high-strength corrugated paper only
The history of energy secondary stock and/or magma, reduces production cost and process contamination.But comprising at microorganism when straw pre-processes
Reason process, raw material need high-temperature sterilization, and processing procedure needs gnotobasis, and the microbiological treatment time is longer, gives actual production band
Carry out certain difficulty.
Publication No. CN104761796A Chinese patent provides a kind of plus straw calcium modeling corrugated paper, its preparation method
For：Straw first crushed 50-80 mesh sieves, will be standby by the straw tangerine bar powder collection crushed, calcium is moulded waste and old case and crushed
50 mesh sieves, it is standby by waste and old case powder collection is moulded by the calcium crushed.Again by low-pressure polyethylene, calcium carbonate, antioxidant, stearic acid,
Titanium dioxide, zinc stearate are placed in high-speed mixer after being well mixed with rice straw powder, the waste and old case powder of calcium modeling, in temperature 140-160
Degree Celsius double screw extruder extrusion is sent into, then the calc-plastic corrugated paperboard of different-thickness is made through rolling, cooling down.It is prepared by this method
Corrugated board intensity it is higher, but add complicated, and be mixed into a large amount of inorganic constituents, cause string ratio to decline, meeting
Difficulty is caused to fiber reuse.
A kind of method that corrugated paper is prepared using stalk of Publication No. CN104928958A Introduction To Cn Patent, it is made
It is for step：By stalk processing to add reactor after 4~5cm segments, the mixed aqueous solution of pickling and hydrogen peroxide is added, is controlled
60-90 DEG C of temperature processed, stirring reaction 10-25min；Stalk in reactor is taken out, filters the solution removed in stalk, then use
The 5Wt.%-25Wt.% NaOH aqueous solution is washed more than 3 times, then chemical-treated stalk is carried out into atmospheric refining runs, fiberizer
Refining plate interval is 0.06~0.8mm, then carries out screening the pulp, copy paper finished product corrugated paper.This method employs chemical method and existed
Stalk is handled under higher temperature, is advantageous to fiber separation during follow-up defibrination, so as to the raising beneficial to adhesion between fiber, profit
In the strength character into paper.But whole pulping process is more complicated, chemical consumption amount is big, need to carry out at relatively high temperatures,
High energy consumption, waste water discharge rate is big, is unfavorable for environmental protection.
Publication No. CN106801356A Chinese patent provides a kind of maize straw normal pressure and prepares high yield pulp1 corrugation original
The method of paper slurry.Maize straw is first sent into pulverizer, the stalk of crushing is sent into high-speed oscillating sieve using centrifugal blower, then
By cyclopneumatic separator so that skin separates with marrow, obtains maize straw skin raw material；Again by maize straw skin raw material in NaOH solution
Middle dipping, by by the maize straw skin raw material roll mill grinding of dipping, obtain high yield pulp1 fluting medium slurry, paper pulp interest rate
Reach more than 75%.The invention makes corrugated paper whole production process carry out in atmospheric conditions, overcomes in pulp and paper industry and commonly uses
High temperature, high pressure, the slurrying pattern of high amount of liquid medicine, it is energy-efficient, beneficial to environmental protection, but because the slurry kind belongs to high yield pulp, into
Adhesion is poor between fiber after paper, directly affects the strength character of fluting medium.
In summary, it is the good way of this kind of biomass resource comprehensive utilization using agricultural wastes resource production corrugated paper
Footpath, seek simple to operate, energy-conserving and environment-protective, the method for raising corrugated paper intensity of excellent effect enjoys people to pay close attention to.The present invention with
Stalk is raw material, separates straw skin and straw marrow, straw skin and paper pulp is made through Mechanical Method, and straw marrow is chemically treated, then by straw latex and
Corrugated paper processed is copied in the mixing of straw marrow after processing, develops a kind of method that stalk prepares high-strength corrugated base paper.
The content of the invention
The present invention provides a kind of method that stalk prepares high-strength corrugated base paper, and used technical scheme is：
A kind of method that stalk prepares high-strength corrugated base paper, after stalk is dried, separate straw skin and straw marrow, straw skin be processed into section,
Soak in the NaOH solution or KOH solution that mass concentration is 3-10%, after straw skin after immersion is carried out into one section of defibrination, then carry out
Two sections of defibrinations, and the refining plate interval of two sections of defibrinations is smaller than the refining plate interval of one section of defibrination, and screening the pulp is carried out after two sections of defibrinations of straw skin,
Neutrality is washed to after screening the pulp, dehydration is standby；
After straw marrow crushes, straw marrow powder is mixed with the NaOH solution or KOH solution that mass concentration is 1-10%, to the quality of material
Concentration is 0.5-5%, is washed after material immersion to neutrality, adds water to obtain straw marrow slurry, wherein straw marrow concentration is 0.5-5%, to straw marrow
Peracetic acid is added in slurry, addition hydrochloric acid solution adjusts straw marrow slurry in being 2-8% to Peracetic acid mass concentration or being starched to straw marrow
PH value to less than 3, add chlorine dioxide, the mass concentration of chlorine dioxide is 2-8% in being starched to straw marrow；
Straw marrow slurry is stirred or oscillation treatment again, mixed after washing to neutrality with straw latex, straw marrow is in mixed pulp
Mass fraction is 10%-30%, and fluting medium processed is copied using mixed pulp.
Straw micromicro is to be processed into 0.3-0.5cm × 2-5cm segment according to actual conditions.
Straw skin is processed into section in described method, soaks 4- in the NaOH solution or KOH solution that mass concentration is 3-10%
12 hours, and the ratio of the volume of solution and straw cortex amount is 5:1-10:1.
Straw skin carries out one section of defibrination after being soaked in described method, and grinding plate of pulping machine gap is 0.05~0.7mm, and straw skin is again
Two sections of defibrinations are carried out, grinding plate of pulping machine gap is 0.02~0.05mm.
Carry out screening the pulp after being soaked in described method after two sections of defibrinations of straw skin, mesh size is 0.3~0.5mm, water after screening the pulp
Neutrality is washed till, dehydration is standby.
Straw marrow material soaks 2-10 hours at 20-50 DEG C in described method, washs to neutrality, adds water to obtain straw marrow
Slurry, wherein straw marrow concentration is 0.5-5%.
Straw marrow slurry is stirred or oscillation treatment 1-24 hours under the conditions of 25-80 DEG C in described method, stirring or
Hunting speed is 20-200rpm.
High-strength corrugated base paper prepared by a kind of stalk, is prepared via a method which：After stalk is dried, straw skin and straw are separated
Marrow, straw skin are processed into section, are soaked in the NaOH solution or KOH solution that mass concentration is 3-10%, and straw skin after immersion is carried out into one
After section defibrination, then two sections of defibrinations are carried out, and the refining plate interval of two sections of defibrinations is smaller than the refining plate interval of one section of defibrination, two sections of straw skin
Screening the pulp is carried out after defibrination, neutrality is washed to after screening the pulp, dehydration is standby；
After straw marrow crushes, straw marrow powder is mixed with the NaOH solution or KOH solution that mass concentration is 1-10%, to the quality of material
Concentration is 0.5-5%, is washed after material immersion to neutrality, adds water to obtain straw marrow slurry, wherein straw marrow concentration is 0.5-5%, to straw marrow
Peracetic acid is added in slurry, addition hydrochloric acid solution adjusts straw marrow slurry in being 2-8% to Peracetic acid mass concentration or being starched to straw marrow
PH value to less than 3, add chlorine dioxide, the mass concentration of chlorine dioxide is 2-8% in being starched to straw marrow；
Straw marrow slurry is stirred or oscillation treatment again, mixed after washing to neutrality with straw latex, straw marrow is in mixed pulp
Mass fraction is 10%-30%, and fluting medium processed is copied using mixed pulp.
Described fluting medium, in preparation process：Straw skin is processed into section, mass concentration be 3-10% NaOH solution or
Soaked in KOH solution 4-12 hours, and the ratio of the volume of solution and straw cortex amount is 5:1-10:1.
Described fluting medium, in preparation process：Straw marrow material soaks 2-10 hours at 20-50 DEG C, washs to neutrality,
Water is added to obtain straw marrow slurry, wherein straw marrow concentration is 0.5-5%.
Described fluting medium, in preparation process：Straw marrow slurry is stirred or oscillation treatment 1- under the conditions of 25-80 DEG C
24 hours, stirring or hunting speed were 20-200rpm.
Beneficial effects of the present invention are：
The present invention provides a kind of method that stalk prepares high-strength corrugated base paper, is raw material from stalk, by the straw skin in stalk
The straw marrow utilized with nobody is respectively processed, wherein straw skin dipping by lye is handled, swollen material, the cause of loose straw skin tissue
Close structure, beneficial to follow-up defibrination, one section of defibrination is carried out, straw skin tissue is dismembered, by straw shelling into fiber or fibre bundle, then carries out two
Section defibrination, further separates fiber or fibre bundle, straw latex is made,
And crushed straw marrow, reduce material size, so as to medicinal liquid osmosis, recycle alkali lye to be handled, swollen material, profit
In subsequent chemistry agent treatment；And the compositions such as the lignin in straw marrow, extract are removed to a certain extent, avoid to paper quality
Adverse effect, the oxidizer treatments such as Peracetic acid are recycled, destroy the eucaryotic cell structure of straw marrow, straw marrow surface is exposed more hydroxyls
Base group, form hydrogen bond with fiber and connect, improve fiber bonding strength, further improve the intensity of fluting medium；
Therefore the abundant raw material not only chosen using the inventive method, yield abundance is secure, and cost of material is low, and produces work
Skill is simple, and the reaction time is short, and time-consuming less, power consumption is low, and the straw marrow that nobody utilizes is added in paper pulp, and defines ratio
Example, the intensity of fluting medium is further improved, the efficient reuse of secondary stock is realized, is advantageous to the recycling of agricultural wastes
Utilize, beneficial to energy-saving.
Brief description of the drawings
Fig. 1 the inventive method schematic flow sheets；
Fig. 2 does not add the fluting medium scanning electron microscope (SEM) photograph of straw marrow；
The fluting medium scanning electron microscope (SEM) photograph that Fig. 3 the inventive method makes.
Embodiment
The present invention provides a kind of method that stalk prepares high-strength corrugated base paper, after stalk is dried, separates straw skin and straw marrow,
Straw skin is processed into section, is soaked in the NaOH solution or KOH solution that mass concentration is 3-10%, and straw skin after immersion is carried out into one section
After defibrination, then two sections of defibrinations are carried out, and the refining plate interval of two sections of defibrinations is smaller than the refining plate interval of one section of defibrination, two sections of mills of straw skin
Screening the pulp is carried out after slurry, neutrality is washed to after screening the pulp, dehydration is standby；
After straw marrow crushes, straw marrow powder is mixed with the NaOH solution or KOH solution that mass concentration is 1-10%, to the quality of material
Concentration is 0.5-5%, is washed after material immersion to neutrality, adds water to obtain straw marrow slurry, wherein straw marrow concentration is 0.5-5%, to straw marrow
Peracetic acid is added in slurry, addition hydrochloric acid solution adjusts straw marrow slurry in being 2-8% to Peracetic acid mass concentration or being starched to straw marrow
PH value to less than 3, add chlorine dioxide, the mass concentration of chlorine dioxide is 2-8% in being starched to straw marrow；
Straw marrow slurry is stirred or oscillation treatment again, mixed after washing to neutrality with straw latex, straw marrow is in mixed pulp
Mass fraction is 10%-30%, and fluting medium processed is copied using mixed pulp.
High-strength corrugated base paper prepared by a kind of stalk corresponding with the above method is provided simultaneously, made by the following method
It is standby：After stalk is dried, separate straw skin and straw marrow, straw skin are processed into section, it is molten in the NaOH solution or KOH that mass concentration is 3-10%
Soaked in liquid, after straw skin after immersion is carried out into one section of defibrination, then carry out two sections of defibrinations, and the refining plate interval of two sections of defibrinations is than one
The refining plate interval of section defibrination is small, and screening the pulp is carried out after two sections of defibrinations of straw skin, and neutrality is washed to after screening the pulp, and dehydration is standby；
After straw marrow crushes, straw marrow powder is mixed with the NaOH solution or KOH solution that mass concentration is 1-10%, to the quality of material
Concentration is 0.5-5%, is washed after material immersion to neutrality, adds water to obtain straw marrow slurry, wherein straw marrow concentration is 0.5-5%, to straw marrow
Peracetic acid is added in slurry, addition hydrochloric acid solution adjusts straw marrow slurry in being 2-8% to Peracetic acid mass concentration or being starched to straw marrow
PH value to less than 3, add chlorine dioxide, the mass concentration of chlorine dioxide is 2-8% in being starched to straw marrow；
Straw marrow slurry is stirred or oscillation treatment again, mixed after washing to neutrality with straw latex, straw marrow is in mixed pulp
Mass fraction is 10%-30%, and fluting medium processed is copied using mixed pulp.
The stalk of crops, such as wheat stalk, cotton stalk, maize straw can be selected during specific implementation.Because drawing materials more
For convenience, this citing selection maize straw, with reference to specific implementation to the present invention to further illustrating.
Embodiment 1：
High-strength corrugated base paper is prepared by raw material of maize straw.Straw skin and straw marrow, straw are separated after maize straw is dried into disleaf
Skin is processed into 0.5cm × 2cm segment, and the NaOH solution 3% is soaked 4 hours, and the volume of solution and the ratio of straw cortex amount are
7:1, the straw skin of alkali process is subjected to two sections of defibrinations, first paragraph grinding plate of pulping machine gap is 0.2mm, then carries out two sections of defibrinations, mill
Pulp grinder refining plate interval is 0.02mm, and screening the pulp, mesh size 0.3mm are carried out after two sections of defibrinations, and the straw latex sieved is washed to neutrality,
It is dehydrated standby；
20 mesh sieves are crossed after crushing straw marrow, straw marrow powder is mixed with 4% NaOH solution, is 2% to material concentration, is soaked at 35 DEG C
5 hours, neutrality is washed with water to, it is 1.5% to add water to straw marrow mass fraction, Peracetic acid is added, to Peracetic acid mass concentration
For 2%, stir process 10 hours under the conditions of 80 DEG C, mixing speed 20rpm, wash to neutrality, the straw marrow slurry handled,
Processing straw marrow slurry is mixed with straw latex, mass fraction of the straw marrow in mixed pulp is 15%, utilizes the mixed pulp system of copying
Go out fluting medium, Substance 180g/m2, with control sample, i.e., the straw latex corrugation without straw marrow prepared under equal conditions is former
Paper is compared, and paper tensile strength improves 61%, and ring crush intensity improves 72%, realizes significantly carrying for fluting medium strength character
It is high.
Embodiment 2：
High-strength corrugated base paper is prepared by raw material of maize straw.Straw skin and straw marrow, straw are separated after maize straw is dried into disleaf
Skin is processed into 0.4cm × 3cm segment, and the NaOH solution 5% is soaked 6 hours, and the volume of solution and the ratio of straw cortex amount are
5:1, the straw skin of alkali process is subjected to two sections of defibrinations, first paragraph grinding plate of pulping machine gap is 0.4mm, then carries out two sections of defibrinations, mill
Pulp grinder refining plate interval is 0.03mm, and screening the pulp, mesh size 0.35mm, during the straw latex sieved is washed to are carried out after two sections of defibrinations
Property, dehydration is standby；
20 mesh sieves are crossed after crushing straw marrow, straw marrow powder is mixed with 1% NaOH solution, is 4% to material concentration, is soaked at 20 DEG C
2 hours, neutrality is washed with water to, it is 1% to add water to straw marrow mass fraction, adds Peracetic acid, is to Peracetic acid mass concentration
5%, oscillation treatment 8 hours under the conditions of 70 DEG C, hunting speed 100rpm, wash to neutrality, obtain handling straw marrow slurry；
Straw marrow slurry mixes with straw latex after handling, and mass fraction of the straw marrow in mixed pulp is 30%, is copied using mixed pulp
Make fluting medium, Substance 130g/m2, with control sample, i.e., the straw latex corrugation without straw marrow prepared under equal conditions
Body paper is compared, and paper tensile strength improves 197%, and ring crush intensity improves 224%, realizes the big of fluting medium strength character
Width improves.
Embodiment 3：
High-strength corrugated base paper is prepared by raw material of maize straw.Straw skin and straw marrow, straw are separated after maize straw is air-dried into disleaf
Skin is processed into 0.3cm × 5cm segment, and the NaOH solution 6% is soaked 10 hours, the volume of solution and the ratio of straw cortex amount
For 8:1, the straw skin of alkali process is subjected to two sections of defibrinations, first paragraph grinding plate of pulping machine gap is 0.5mm, then carries out two sections of defibrinations,
Grinding plate of pulping machine gap is 0.04mm, and screening the pulp, mesh size 0.4mm, during the straw latex sieved is washed to are carried out after two sections of defibrinations
Property, dehydration is standby；
20 mesh sieves are crossed after crushing straw marrow, straw marrow powder is mixed with 5% NaOH solution, is 3% to material concentration, is soaked at 40 DEG C
10 hours, neutrality is washed with water to, it is 2% to add water to straw marrow mass fraction, Peracetic acid is added, to Peracetic acid mass concentration
For 8%, oscillation treatment 5 hours under the conditions of 60 DEG C, hunting speed 150rpm, wash to neutrality, obtain handling straw marrow slurry；
Processing straw marrow slurry is mixed with straw latex, mass fraction of the straw marrow in mixed pulp is 25%, utilizes the mixed pulp system of copying
Go out fluting medium, Substance 170g/m2, with control sample, i.e., the straw latex corrugation without straw marrow prepared under equal conditions is former
Paper is compared, and paper tensile strength improves 166%, and ring crush intensity improves 181%, realizes fluting medium strength character significantly
Improve.
Embodiment 4：
High-strength corrugated base paper is prepared by raw material of maize straw.Straw skin and straw marrow, straw are separated after maize straw is air-dried into disleaf
Skin is processed into 0.3cm × 3cm segment, and the NaOH solution 10% is soaked 12 hours, the volume of solution and the ratio of straw cortex amount
For 6:1, the straw skin of alkali process is subjected to two sections of defibrinations, first paragraph grinding plate of pulping machine gap is 0.7mm, then carries out two sections of defibrinations,
Grinding plate of pulping machine gap is 0.05mm, and screening the pulp, mesh size 0.5mm, during the straw latex sieved is washed to are carried out after two sections of defibrinations
Property, dehydration is standby；
20 mesh sieves are crossed after crushing straw marrow, straw marrow powder is mixed with 6% KOH solution, is 5% to material concentration, soaks 8 at 50 DEG C
Hour, neutrality is washed with water to, it is 2.5% to add water to straw marrow mass fraction, and hydrochloric acid solution regulation straw marrow slurry is added in being starched to straw marrow
PH value to 3, add chlorine dioxide, the mass concentration of chlorine dioxide is 8% in being starched to straw marrow, under the conditions of 75 DEG C at stirring
Reason 12 hours, mixing speed 180rpm, then wash to neutrality, obtain handling straw marrow slurry；
Processing straw marrow slurry is mixed with straw latex, mass fraction of the straw marrow in mixed pulp is 20%, utilizes the mixed pulp system of copying
Go out fluting medium, Substance 160g/m2, with control sample, i.e., the straw latex corrugation without straw marrow prepared under equal conditions is former
Paper is compared, and paper tensile strength improves 146%, and ring crush intensity improves 163%, realizes fluting medium strength character significantly
Improve.
Embodiment 5：
High-strength corrugated base paper is prepared by raw material of maize straw.Straw skin and straw marrow, straw are separated after maize straw is dried into disleaf
Skin is processed into 0.4cm × 3cm segment, and the NaOH solution 8% is soaked 12 hours, the volume of solution and the ratio of straw cortex amount
For 10:1, the straw skin of alkali process is subjected to one section of defibrination, refining plate interval 0.3mm, then two sections of defibrinations are carried out, between grinding plate of pulping machine
Gap is 0.02mm, and screening the pulp, mesh size 0.3mm are carried out after two sections of defibrinations, and the straw latex sieved is washed to neutrality, and dehydration is standby；
Straw marrow crosses 20 mesh sieves after crushed, and straw marrow powder is mixed with 8% NaOH solution, is 3% to material concentration, is soaked at 45 DEG C
Bubble 10 hours, is washed with water to neutrality, and it is 5% to add water to straw marrow mass fraction, and hydrochloric acid solution regulation straw marrow is added in being starched to straw marrow
The pH value of slurry adds chlorine dioxide, the mass concentration of chlorine dioxide is 2% in being starched to straw marrow, is vibrated under the conditions of 55 DEG C to 2
Processing 20 hours, hunting speed is 200 rpm, then is washed to neutrality, obtains handling straw marrow slurry；
Processing straw marrow slurry is mixed with straw latex, mass fraction of the straw marrow in mixed pulp is 18%, utilizes the mixed pulp system of copying
Go out fluting medium, Substance 180g/m2, with control sample, i.e., the straw latex corrugation without straw marrow prepared under equal conditions is former
Paper is compared, and paper tensile strength improves 128%, and ring crush intensity improves 149%, realizes fluting medium strength character significantly
Improve.
Wherein in above-described embodiment, tensile strength is according to GB/T453-1989 standards, using ZL-100A type anti-tensile analyzers
Measure；Ring crush intensity is determined according to GB/T 2679.8-1995 standards using HSD-A types compressing tester.
By using the fluting medium scanning electron microscope (SEM) photograph that the inventive method makes with not adding the fluting medium of straw marrow to scan electricity
Mirror figure is contrasted, it can be seen that the fiber of paper is interweaved in Fig. 2, but occurs more larger space, gap between fiber
Fiber is separated with fiber, can not form hydrogen bond between the fiber of separation, can not contribute bond strength；And in Fig. 3 paper fiber
It is interweaved, and after the addition of straw marrow, fiberfill fibers and interfibrous space, produces bridge linking effect between the fibers, make fiber
Occur to combine indirectly with fiber, interfibrous bond strength is improved, so as to improve the strength character of paper.
The numerical value not enumerated in embodiment, can be according to the restriction model of actual conditions data in the inventive solutions
It is adjusted, is not repeated in enclosing.
Claims (10)
1. a kind of method that stalk prepares high-strength corrugated base paper, it is characterized in that after stalk is dried, separate straw skin and straw marrow, straw skin
Section is processed into, is soaked in the NaOH solution or KOH solution that mass concentration is 3-10%, straw skin after immersion is subjected to one section of defibrination
Afterwards, then two sections of defibrinations are carried out, and the refining plate interval of two sections of defibrinations is smaller than the refining plate interval of one section of defibrination, after two sections of defibrinations of straw skin
Screening the pulp is carried out, neutrality is washed to after screening the pulp, dehydration is standby；
After straw marrow crushes, straw marrow powder is mixed with the NaOH solution or KOH solution that mass concentration is 1-10%, to the quality of material
Concentration is 0.5-5%, is washed after material immersion to neutrality, adds water to obtain straw marrow slurry, wherein straw marrow concentration is 0.5-5%, to straw marrow
Peracetic acid is added in slurry, addition hydrochloric acid solution adjusts straw marrow slurry in being 2-8% to Peracetic acid mass concentration or being starched to straw marrow
PH value to less than 3, add chlorine dioxide, the mass concentration of chlorine dioxide is 2-8% in being starched to straw marrow；
Straw marrow slurry is stirred or oscillation treatment again, mixed after washing to neutrality with straw latex, straw marrow is in mixed pulp
Mass fraction is 10%-30%, and fluting medium processed is copied using mixed pulp.
It is 2. molten in the NaOH that mass concentration is 3-10% according to the method for claim 1, it is characterized in that straw skin is processed into section
Soaked in liquid or KOH solution 4-12 hours, and the ratio of the volume of solution and straw cortex amount is 5:1-10:1.
3. method according to claim 1 or 2, it is characterized in that straw skin carries out one section of defibrination after immersion, between grinding plate of pulping machine
Gap is 0.2~0.7mm, and straw skin carries out two sections of defibrinations again, and grinding plate of pulping machine gap is 0.02~0.05mm.
4. according to the method for claim 3, it is characterized in that carrying out screening the pulp after two sections of defibrinations of straw skin after immersion, mesh size is
0.3~0.5mm, is washed to neutrality after screening the pulp, dehydration is standby.
5. the method according to claim 1 or 4, it is characterized in that straw marrow material soaks 2-10 hours at 20-50 DEG C, washing
To neutrality, water is added to obtain straw marrow slurry, wherein straw marrow concentration is 0.5-5%.
6. according to the method for claim 5, it is characterized in that straw marrow slurry is stirred under the conditions of 55-80 DEG C or vibration at
Manage 1-24 hours, stirring or hunting speed are 20-200rpm.
A kind of 7. high-strength corrugated base paper prepared by stalk, it is characterized in that being prepared via a method which：After stalk is dried, straw are separated
Skin and straw marrow, straw skin are processed into section, are soaked in the NaOH solution or KOH solution that mass concentration is 3-10%, by straw skin after immersion
After carrying out one section of defibrination, then two sections of defibrinations are carried out, and the refining plate interval of two sections of defibrinations is smaller than the refining plate interval of one section of defibrination, straw
Screening the pulp is carried out after two sections of defibrinations of skin, neutrality is washed to after screening the pulp, dehydration is standby；
After straw marrow crushes, straw marrow powder is mixed with the NaOH solution or KOH solution that mass concentration is 1-10%, to the quality of material
Concentration is 0.5-5%, is washed after material immersion to neutrality, adds water to obtain straw marrow slurry, wherein straw marrow concentration is 0.5-5%, to straw marrow
Peracetic acid is added in slurry, addition hydrochloric acid solution adjusts straw marrow slurry in being 2-8% to Peracetic acid mass concentration or being starched to straw marrow
PH value to less than 3, add chlorine dioxide, the mass concentration of chlorine dioxide is 2-8% in being starched to straw marrow；
Straw marrow slurry is stirred or oscillation treatment again, mixed after washing to neutrality with straw latex, straw marrow is in mixed pulp
Mass fraction is 10%-30%, and fluting medium processed is copied using mixed pulp.
8. fluting medium according to claim 7, it is characterized in that in preparation process：Straw skin is processed into section, in mass concentration
To be soaked in 3-10% NaOH solution or KOH solution 4-12 hours, and the ratio of the volume of solution and straw cortex amount is 5:1-
10:1。
9. the fluting medium according to claim 7 or 8, it is characterized in that in preparation process：Straw marrow material soaks at 20-50 DEG C
2-10 hours are steeped, are washed to neutrality, add water to obtain straw marrow slurry, wherein straw marrow concentration is 0.5-5%.
10. fluting medium according to claim 9, it is characterized in that in preparation process：Straw marrow is starched under the conditions of 55-80 DEG C
It is stirred or oscillation treatment 1-24 hours, stirring or hunting speed are 20-200rpm.
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