CN107012708A - A kind of preparation technology of high intensity, environmentally friendly hemp paper - Google Patents
A kind of preparation technology of high intensity, environmentally friendly hemp paper Download PDFInfo
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- CN107012708A CN107012708A CN201710168556.5A CN201710168556A CN107012708A CN 107012708 A CN107012708 A CN 107012708A CN 201710168556 A CN201710168556 A CN 201710168556A CN 107012708 A CN107012708 A CN 107012708A
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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
- D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
- D21C5/005—Treatment of cellulose-containing material with microorganisms or enzymes
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
- D21D1/00—Methods of beating or refining; Beaters of the Hollander type
- D21D1/02—Methods of beating; Beaters of the Hollander type
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
- D21D1/00—Methods of beating or refining; Beaters of the Hollander type
- D21D1/20—Methods of refining
- D21D1/30—Disc mills
-
- 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
-
- 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
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/20—Macromolecular organic compounds
- D21H17/21—Macromolecular organic compounds of natural origin; Derivatives thereof
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/62—Rosin; Derivatives thereof
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- 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
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- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Biochemistry (AREA)
- Microbiology (AREA)
- Paper (AREA)
Abstract
The invention provides a kind of high intensity, the preparation technology of environmentally friendly hemp paper, comprise the following steps：(1) after hemp is cleaned, kiering 20 40 minutes in boiling water；(2) through Na2S2O3After aqueous solution electrolysis processing, electrolyte is heated to after 70 80 DEG C, 10 20 minutes, hemp is taken out, rinses well；(3) hemp through electrolysis processing is added into composite enzyme solution enzymolysis；(4) after the hemp chopping crossed enzymolysis processing, pulping, removal crude fibre, mill mashing；(5) gained slurry is manufactured paper with pulp processing through punching slurry, online, while plus sticking agent, be inversely glued；(6) through squeezing, drying, press polish, batch, cut and packaging and warehousing be made hemp paper.The present invention carries out degumming process to hemp using the united method of electrochemica biological enzymolysis, then makees sticking agent using modified beta cyclodextrin, and preparation section is simple, chemical waste fluid is few, and production efficiency is high, and gained hemp paper has the advantages that intensity height, environmental protection.
Description
Technical field
The invention belongs to pulp technology for making paper, and in particular to a kind of high intensity, the preparation technology of environmentally friendly hemp paper.
Background technology
Hemp system Moraceae belongs to annual herb plant, scientific name cannabis Salival, popular name Chinese fiber crops, cold fiber crops, hemp, flower
Fiber crops etc., Hemp Varieties are up to 150 or so, are mainly distributed on Asia, Europe, and China is Asia hemp production center, cultivate face
Product and yield occupy first place in the world, and the place of production spreads all over the country, but the predominantly Huanghe valley, and the Tai'an in Shandong, the Huating in Gansu all have
The hemp producing region of name, is the major economic crops of this area.Hemp plantation is to the less demanding of weather and soil, and it grows fast
Speed, insect pest ability is strong, and without insecticide and fertilizer during planting, does not result in land pollution, and environmental ecology is good,
And plantation harvest time is shorter, often 0.07 hectare can harvest two to the hemp for being three times in cotton.Hemp is that raw material can be generated
High-grade hemp paper, is widely used in production cigarette paper, filter paper, banknote, high-quality filing paper.
What is directly stripped down from big anesthesia stem is referred to as in raw ramie, raw ramie in addition to containing cellulose components also containing certain
The non-cellulose components of amount, including lignin, hemicellulose, cerolipoid, pectin and part aqueous thing and ash grade.If making raw ramie
With spinnability, it is necessary to these non-cellulose components are removed, degummed ramie, i.e. degumming is obtained.Lignin and half in hemp
The content height of cellulose directly affects the quality of degumming difficulty and hemp paper.
Lignin is high to the stability of inorganic acid in hemp, therefore pickling is undesirable to the removal effect of lignin, and wooden
The presence of quality influences larger to quality of textile products.In the prior art frequently with sulfite solution kiering, lignin is removed,
But effect is also not ideal, it usually needs soda boiling auxiliary enhancing degumming effect.Chemical Degumming will consume substantial amounts of chemical industry simultaneously
Raw material and energy, production cost are high, contain harmful chemical component in the sewage after processing, easily pollute environment, and processing time
It is long, it is not easily recycled.
The content of the invention
It is united using electrochemistry-biological enzymolysis the invention provides a kind of high intensity, the preparation technology of environmentally friendly hemp paper
Method carries out degumming process to hemp, then makees sticking agent using modified beta-schardinger dextrin, and preparation section is simple, chemical waste fluid is few, raw
Efficiency high is produced, gained hemp paper has the advantages that intensity height, environmental protection.
The technical proposal for solving the technical problem of the invention is：
A kind of preparation technology of high intensity, environmentally friendly hemp paper, the preparation method comprises the following steps：
(1) high temperature scouring：After hemp is cleaned, insert in boiling water after kiering 20-40 minutes, take out, rushed using running water
Wash clean.Hemp individual fiber cells interweave under the bonding of intercellular layer material to be reticulated, and first causes hemp by high temperature scouring
The network structure degree of cross linking is reduced, and is conducive to small molecule to enter in network structure.
(2) it is electrolysed：Hemp through high temperature scouring is added in electrolytic cell, after normal temperature electrolysis is handled 10-20 minutes, electricity is closed
Power supply is solved, electrolyte is heated to 70-80 DEG C, after being incubated 10-20 minutes, hemp is taken out, is placed in running water and soaks half an hour
Afterwards, then rinse well stand-by；The electrolyte is 15-20w%Na2S2O3The aqueous solution.
Na2S2O3The electrolysis equation of the aqueous solution is：
Na2S2O3+H2O→2Na++SO3H-+OH-+S
Na2S2O3The generated sulfonate radical of electrolysis and lignin reaction, can generate water-soluble lignosulfonates,
So as to which lignin be removed.Electrolysis terminates after 10-20 minutes, and now electrolyte is in alkalescent, and rise temperature continues in alkaline bar
Kiering under part, further except delignification.Hemp first through the high temperature scouring described in step (1), reduces the density of network structure, made
Obtain sulfonate radical electrolytically generated in step (2) smoothly to enter in network structure, increase and the reaction probabilities of lignin, so as to increase
Degumming rate.In addition, the alkaline matter of cell reaction generation, can further remove lignin, it is to avoid additionally add alkaline matter,
Reduce production cost and waste liquor contamination.
(3) digest：Hemp of the gained in step (2) through electrolysis processing is added in composite enzyme solution, in PH4.5-6,45-
After being digested 2-4 hours at 55 DEG C, running water is rinsed well, using materials, further degumming such as enzymolysis depolymerized pectins.
(4) slurrying：After the hemp chopping that step (3) enzymolysis processing is crossed, it is added to the water, in pulping at 40-45 DEG C, then passes through
Fluffer removes crude fibre, obtains granularity≤1mm fibre bundle, and alkali is added into slurry and adjusts PH to 7.0-7.5, then using disk
Mill mashing；
(5) it is glued：By slurry obtained by step (4) through punching slurry, processing of manufacturing paper with pulp of surfing the Net, and during online is manufactured paper with pulp, to slurry
It is 5 that caustic soda is added in material to slurry PH, adds sticking agent, the gum rosin that addition mass concentration is 10% after 12-18 seconds-water-soluble
Liquid is inversely glued, and the addition of the sticking agent is 15-30kg/ tons of slurries, and the addition of gum rosin-aqueous solution is 100-200kg/
Ton slurry.Internal sizing agent is made using gum rosin, the water resistant, anti-black, anti-emulsion and corrosion resistance of paper can be increased.In water
Hemp and gum rosin are all negatively charged, there is electrostatic repulsion effect between the two, it is therefore desirable to which adding sticking agent will
Gum rosin sediment is attached on hemp, to reach applying glue purpose.
(6) into paper：By the slurry being glued through squeezing, drying, press polish, batch, cut and packaging and warehousing be made needed for it is big
Numb paper.
Preferably, the mass ratio of hemp and boiling water described in step (1) is 1:15-20.
Preferably, the anode material of electrolytic cell described in step (2) is RuO2-TiO2/ Ti coated electrodes, PbO2/ Ti is plated
Layer electrode or stainless steel；Described cathode electrode sheet material is stainless steel, carbon steel or titanium.
Preferably, the quality of electrolyte described in step (2) is 8-15 times of hemp quality.
Preferably, composite enzyme solution is made up of following parts by weight raw material described in step (3)：20-30 parts of pectases,
10-15 portions of hemicellulases, 5-10 parts of sodium chloride and 50-60 parts of water.Using complex enzyme coordinated enzymatic hydrolysis, compared to single enzyme enzyme
Solution, has the advantages that hydrolysis temperature is low, the time is short, efficiency high.The activity of enzyme can be effectively improved by adding sodium chloride, so as to improve enzyme
Solve efficiency.
Preferably, the quality of composite enzyme solution described in step (3) is 10-15 times of hemp quality.
Preferably, the concrete technology of the mashing of mill described in step (4) is mashing slurry pressure 0.30-0.35MPa, beating degree
For 50-60 ° of SR.In order to obtain higher paper strength, it usually needs higher beating degree, but when beating degree is too high, hemp
Fiber is excessively cut off, and paper strength can be caused to reduce on the contrary, while increasing equipment energy consumption, extension production time.
It is further preferred that the preparation method of sticking agent is described in step (5)：Beta-schardinger dextrin is added in 60-70 DEG C of hot water and pasted
After changing 30 minutes, 3- chloro-2-hydroxypropyl-trimethyl ammonium chlorides are added, control system PH is 4-5, small in reacting 2-3 at 50-60 DEG C
Shi Hou, is cooled to room temperature, filtering, and filter cake is with ethanol washing by soaking for several times with after washing, and vacuum drying obtains required sticking agent.It is existing
Some paper industry sticking agents are usually aluminum sulfate, aluminium polychloride, polyamine, PDDA, polyethylene
Imines and polyvinylamine etc., above sticking agent anchor effect are general, and the sticking agent environmental pollution of residual is larger, and the present invention is adopted
Make sticking agent with modified beta-schardinger dextrin, anchor effect is good, and safety non-pollution.
It is further preferred that the mass ratio of the beta-schardinger dextrin and 3- chloro-2-hydroxypropyl-trimethyl ammonium chlorides is 1:0.2-0.4.
Beneficial effects of the present invention are：
1st, the present invention handles hemp by the way of electrochemistry-biological enzymolysis is combined, and makes its appropriate degumming, avoids simultaneously
The shortcoming that degumming rate is low, chemical waste liquid amount is big brought using sulfite chemical degumming.
2nd, sticking agent is made using modified beta-schardinger dextrin, it is to avoid chemical sticking agent anchor effect is not good and residual sticking agent pair
The pollution problem of environment.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to embodiments to the present invention
It is further elaborated.
Embodiment 1
(1) 20g beta-schardinger dextrins are added after being gelatinized 30 minutes in 70 DEG C of 100g hot water, adds the chloro- 2- hydroxypropyls three of 5g 3-
Ammonio methacrylate, control system PH is 4, after being reacted 3 hours at 50 DEG C, is cooled to room temperature, is filtered, and the immersion of filter cake ethanol is washed
Wash for several times with after washing, vacuum drying obtains sticking agent needed for 22g；
(2) high temperature scouring：After 100g hemps are cleaned, after inserting in 1800g boiling water kiering 30 minutes, take out, using from
Water is rinsed well；
(3) it is electrolysed：Hemp through high temperature scouring is added in electrolytic cell, using 1000g 20w%Na2S2O3The aqueous solution is normal
After temperature electrolysis processing 10 minutes, electrolysis power is closed, electrolyte is heated to 75 DEG C, after being incubated 15 minutes, taken out hemp, be placed in
Soak after half an hour, then rinse well stand-by in running water；
(4) digest：Hemp of the gained in step (3) through electrolysis processing is added in 1000g composite enzyme solutions, in PH5,50
After being digested 3 hours at DEG C, running water is rinsed well；The composite enzyme solution is made up of following parts by weight raw material：20 parts of pectin
Enzyme, 15 portions of hemicellulases, 5 parts of sodium chloride and 60 parts of water；
(5) slurrying：After the hemp chopping that step (4) enzymolysis processing is crossed, it is added to the water, in pulping at 45 DEG C, then through dredging
Solution machine removes crude fibre, obtains granularity≤1mm fibre bundle, alkali regulation PH to 7.0 is added into slurry, then beat using mill
Slurry；
(6) it is glued：By slurry obtained by step (5) through punching slurry, processing of manufacturing paper with pulp of surfing the Net, and during online is manufactured paper with pulp, to slurry
It is 5 that caustic soda is added in material to slurry PH, adds the sticking agent of step (1), and the rosin that mass concentration is 10% is added after 15 seconds
Glue-aqueous solution is inversely glued, and the addition of the sticking agent is 20kg/ tons of slurries, and the addition of gum rosin-aqueous solution is 150kg/
Ton slurry；
(7) into paper：By the slurry being glued through squeezing, drying, press polish, batch, cut and packaging and warehousing be made needed for it is big
Numb paper.
Embodiment 2
(1) 20g beta-schardinger dextrins are added after being gelatinized 30 minutes in 60 DEG C of 100g hot water, adds the chloro- 2- hydroxypropyls three of 4g 3-
Ammonio methacrylate, control system PH is 4.5, after being reacted 2 hours at 60 DEG C, is cooled to room temperature, is filtered, and filter cake is soaked with ethanol
Washing is for several times with after washing, and vacuum drying obtains sticking agent needed for 23.2g；
(2) high temperature scouring：After 100g hemps are cleaned, after inserting in 2000g boiling water kiering 20 minutes, take out, using from
Water is rinsed well；
(3) it is electrolysed：Hemp through high temperature scouring is added in electrolytic cell, using 800g 18w%Na2S2O3Aqueous solution normal temperature
After being electrolysed processing 20 minutes, electrolysis power is closed, electrolyte is heated to 80 DEG C, after being incubated 10 minutes, hemp is taken out, is placed in certainly
Soak after half an hour, then rinse well stand-by in water；
(4) digest：Hemp of the gained in step (3) through electrolysis processing is added in 1200g composite enzyme solutions, in PH4.5,
After being digested 4 hours at 45 DEG C, running water is rinsed well；The composite enzyme solution is made up of following parts by weight raw material：25 portions of fruits
Glue enzyme, 10 portions of hemicellulases, 10 parts of sodium chloride and 55 parts of water；
(5) slurrying：After the hemp chopping that step (4) enzymolysis processing is crossed, it is added to the water, in pulping at 40 DEG C, then through dredging
Solution machine removes crude fibre, obtains granularity≤1mm fibre bundle, alkali regulation PH to 7.5 is added into slurry, then beat using mill
Slurry；
(6) it is glued：By slurry obtained by step (5) through punching slurry, processing of manufacturing paper with pulp of surfing the Net, and during online is manufactured paper with pulp, to slurry
It is 5 that caustic soda is added in material to slurry PH, adds the sticking agent of step (1), and the rosin that mass concentration is 10% is added after 12 seconds
Glue-aqueous solution is inversely glued, and the addition of the sticking agent is 15kg/ tons of slurries, and the addition of gum rosin-aqueous solution is 200kg/
Ton slurry；
(7) into paper：By the slurry being glued through squeezing, drying, press polish, batch, cut and packaging and warehousing be made needed for it is big
Numb paper.
Embodiment 3
(1) 20g beta-schardinger dextrins are added after being gelatinized 30 minutes in 65 DEG C of 100g hot water, adds the chloro- 2- hydroxypropyls three of 8g 3-
Ammonio methacrylate, control system PH is 5, after being reacted 2.5 hours at 55 DEG C, is cooled to room temperature, is filtered, and filter cake is soaked with ethanol
Washing is for several times with after washing, and vacuum drying obtains sticking agent needed for 22.6g；
(2) high temperature scouring：After 100g hemps are cleaned, after inserting in 1500g boiling water kiering 40 minutes, take out, using from
Water is rinsed well；
(3) it is electrolysed：Hemp through high temperature scouring is added in electrolytic cell, using 1500g 15w%Na2S2O3The aqueous solution is normal
After temperature electrolysis processing 15 minutes, electrolysis power is closed, electrolyte is heated to 70 DEG C, after being incubated 20 minutes, taken out hemp, be placed in
Soak after half an hour, then rinse well stand-by in running water；
(4) digest：Hemp of the gained in step (3) through electrolysis processing is added in 1500g composite enzyme solutions, in PH6,55
After being digested 2 hours at DEG C, running water is rinsed well；The composite enzyme solution is made up of following parts by weight raw material：30 parts of pectin
Enzyme, 12 portions of hemicellulases, 8 parts of sodium chloride and 50 parts of water；
(5) slurrying：After the hemp chopping that step (4) enzymolysis processing is crossed, it is added to the water, in pulping at 42 DEG C, then through dredging
Solution machine removes crude fibre, obtains granularity≤1mm fibre bundle, alkali regulation PH to 7.5 is added into slurry, then beat using mill
Slurry；
(6) it is glued：By slurry obtained by step (5) through punching slurry, processing of manufacturing paper with pulp of surfing the Net, and during online is manufactured paper with pulp, to slurry
It is 5 that caustic soda is added in material to slurry PH, adds the sticking agent of step (1), and the rosin that mass concentration is 10% is added after 18 seconds
Glue-aqueous solution is inversely glued, and the addition of the sticking agent is 30kg/ tons of slurries, and the addition of gum rosin-aqueous solution is 100kg/
Ton slurry；
(7) into paper：By the slurry being glued through squeezing, drying, press polish, batch, cut and packaging and warehousing be made needed for it is big
Numb paper.
Comparative example 1
Hemp is handled using with the operation of the identical of embodiment 1, the difference is that the hemp in comparative example 1 is without high temperature scouring.
Comparative example 2
Hemp is handled using with the operation of the identical of embodiment 1, the difference is that composite enzyme solution in the step of comparative example 2 (5)
Quality is 20 times of hemp quality.
The hemp paper performance test of embodiment 4
Determine embodiment 1-3, the results of property of comparative example 1-2 hemp paper and be shown in Table 1,
Table 1：
| Vertically and horizontally tearability/mN | Bursting strength/KPa | Vertically and horizontally be averaged fracture length/Km | |
| Embodiment 1 | 155 | 102 | 7.2 |
| Embodiment 2 | 152 | 108 | 6.8 |
| Embodiment 3 | 161 | 105 | 7.5 |
| Comparative example 1 | 123 | 91 | 8.2 |
| Comparative example 2 | 135 | 79 | 8.6 |
It can be seen from Table 1 that：The hemp paper intensity prepared by method provided by the present invention is higher.Comparative example 1 is not
Handled through high temperature scouring, the intensity of hemp hemp paper is not high.The compound enzyme dosage that comparative example 2 is used is excessive, causes pectin substance
Content is too low, and hemp degumming is excessive so that hemp short flannel is more, and hemp paper intensity declines.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
Any modifications, equivalent substitutions and improvements made within refreshing and principle etc., should be included in the scope of the protection.
Claims (9)
1. the preparation technology of a kind of high intensity, environmentally friendly hemp paper, it is characterised in that the preparation method comprises the following steps：
(1) high temperature scouring：After hemp is cleaned, insert in boiling water after kiering 20-40 minutes, take out, rinse dry using running water
Only；
(2) it is electrolysed：Hemp through high temperature scouring is added in electrolytic cell, after normal temperature electrolysis is handled 10-20 minutes, electrolysis is closed
Power supply, 70-80 DEG C is heated to by electrolyte, after being incubated 10-20 minutes, takes out hemp, is placed in running water and is soaked after half an hour,
Rinse well again stand-by；The electrolyte is 15-20w% Na2S2O3The aqueous solution；
(3) digest：Hemp of the gained in step (2) through electrolysis processing is added in composite enzyme solution, in PH4.5-6,45-55
After being digested 2-4 hours at DEG C, running water is rinsed well；
(4) slurrying：After the hemp chopping that step (3) enzymolysis processing is crossed, it is added to the water, in pulping at 40-45 DEG C, then through dredging
Solution machine removes crude fibre, obtains granularity≤1mm fibre bundle, and alkali is added into slurry and adjusts PH to 7.0-7.5, then using mill
Mashing；
(5) it is glued：By slurry obtained by step (4) through punching slurry, processing of manufacturing paper with pulp of surfing the Net, and during online is manufactured paper with pulp, into slurry
It is 5 that caustic soda, which is added, to slurry PH, adds sticking agent, mass concentration is added after 12-18 seconds inverse for 10% gum rosin-aqueous solution
To applying glue, the addition of the sticking agent is 15-30kg/ tons of slurries, and the addition of gum rosin-aqueous solution is 100-200kg/ tons
Slurry；
(6) into paper：By the slurry being glued through squeezing, drying, press polish, batch, cut and packaging and warehousing be made needed for hemp
Paper.
2. the preparation technology of high intensity as claimed in claim 1, environmentally friendly hemp paper, it is characterised in that big described in step (1)
The mass ratio of fiber crops and boiling water is 1:15-20.
3. the preparation technology of high intensity as claimed in claim 1, environmentally friendly hemp paper, it is characterised in that electric described in step (2)
The anode material for solving groove is RuO2-TiO2/ Ti coated electrodes, PbO2/ Ti coating electrodes or stainless steel；Described cathode electrode plate
Material is stainless steel, carbon steel or titanium.
4. the preparation technology of high intensity as claimed in claim 1, environmentally friendly hemp paper, it is characterised in that electric described in step (2)
The quality for solving liquid is 8-15 times of hemp quality.
5. the preparation technology of high intensity as claimed in claim 1, environmentally friendly hemp paper, it is characterised in that multiple described in step (3)
Synthase solution is made up of following parts by weight raw material：20-30 parts of pectases, 10-15 portions of hemicellulases, 5-10 parts of sodium chloride and
50-60 parts of water.
6. the preparation technology of high intensity as claimed in claim 1, environmentally friendly hemp paper, it is characterised in that multiple described in step (3)
The quality of synthase solution is 10-15 times of hemp quality.
7. the preparation technology of high intensity as claimed in claim 1, environmentally friendly hemp paper, it is characterised in that disk described in step (4)
The concrete technology of mill mashing is mashing slurry pressure 0.30-0.35MPa, and beating degree is 50-60 ° of SR.
8. the preparation technology of high intensity as claimed in claim 1, environmentally friendly hemp paper, it is characterised in that solid described in step (5)
The preparation method for agent is：Beta-schardinger dextrin is added after being gelatinized 30 minutes in 60-70 DEG C of hot water, add the chloro- 2- hydroxypropyls three of 3-
Ammonio methacrylate, control system PH is 4-5, after being reacted 2-3 hours at 50-60 DEG C, is cooled to room temperature, is filtered, filter cake second
Alcohol washing by soaking is for several times with after washing, and vacuum drying obtains required sticking agent.
9. the preparation technology of high intensity as claimed in claim 8, environmentally friendly hemp paper, it is characterised in that the beta-schardinger dextrin with
The mass ratio of 3- chloro-2-hydroxypropyl-trimethyl ammonium chlorides is 1:0.2-0.4.
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| CN201710168556.5A CN107012708B (en) | 2017-03-21 | 2017-03-21 | A kind of preparation process of high intensity, environmentally friendly hemp paper |
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| CN201710168556.5A CN107012708B (en) | 2017-03-21 | 2017-03-21 | A kind of preparation process of high intensity, environmentally friendly hemp paper |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101550607A (en) * | 2009-05-16 | 2009-10-07 | 太原理工大学 | Hemp fiber degumming boiling-off additive, preparing method and application thereof |
| CN104532364A (en) * | 2014-12-11 | 2015-04-22 | 青岛佰众化工技术有限公司 | Method for degumming hemp fiber |
| CN106012632A (en) * | 2016-05-20 | 2016-10-12 | 山西朱好古麻笺纸业有限公司 | Method for making hemp paper from hemp |
| CN106087503A (en) * | 2016-06-16 | 2016-11-09 | 浙江理工大学 | Preparation method for the Fructus Cannabis root bast filter paper of haze mask |
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2017
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101550607A (en) * | 2009-05-16 | 2009-10-07 | 太原理工大学 | Hemp fiber degumming boiling-off additive, preparing method and application thereof |
| CN104532364A (en) * | 2014-12-11 | 2015-04-22 | 青岛佰众化工技术有限公司 | Method for degumming hemp fiber |
| CN106012632A (en) * | 2016-05-20 | 2016-10-12 | 山西朱好古麻笺纸业有限公司 | Method for making hemp paper from hemp |
| CN106087503A (en) * | 2016-06-16 | 2016-11-09 | 浙江理工大学 | Preparation method for the Fructus Cannabis root bast filter paper of haze mask |
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