CN110144762A - A kind of preparation method of cellulose extrusion coating paper - Google Patents
A kind of preparation method of cellulose extrusion coating paper Download PDFInfo
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- CN110144762A CN110144762A CN201910462485.9A CN201910462485A CN110144762A CN 110144762 A CN110144762 A CN 110144762A CN 201910462485 A CN201910462485 A CN 201910462485A CN 110144762 A CN110144762 A CN 110144762A
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/02—Material of vegetable origin
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/03—Non-macromolecular organic compounds
- D21H17/05—Non-macromolecular organic compounds containing elements other than carbon and hydrogen only
- D21H17/06—Alcohols; Phenols; Ethers; Aldehydes; Ketones; Acetals; Ketals
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/03—Non-macromolecular organic compounds
- D21H17/05—Non-macromolecular organic compounds containing elements other than carbon and hydrogen only
- D21H17/07—Nitrogen-containing compounds
- D21H17/08—Isocyanates
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/20—Macromolecular organic compounds
- D21H17/21—Macromolecular organic compounds of natural origin; Derivatives thereof
- D21H17/24—Polysaccharides
- D21H17/28—Starch
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/20—Macromolecular organic compounds
- D21H17/21—Macromolecular organic compounds of natural origin; Derivatives thereof
- D21H17/24—Polysaccharides
- D21H17/30—Alginic acid or alginates
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/63—Inorganic compounds
- D21H17/66—Salts, e.g. alums
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/63—Inorganic compounds
- D21H17/67—Water-insoluble compounds, e.g. fillers, pigments
- D21H17/69—Water-insoluble compounds, e.g. fillers, pigments modified, e.g. by association with other compositions prior to incorporation in the pulp or paper
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- 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
- D21H21/12—Defoamers
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21J—FIBREBOARD; MANUFACTURE OF ARTICLES FROM CELLULOSIC FIBROUS SUSPENSIONS OR FROM PAPIER-MACHE
- D21J5/00—Manufacture of hollow articles by transferring sheets, produced from fibres suspensions or papier-mâché by suction on wire-net moulds, to couch-moulds
Abstract
The invention discloses a kind of preparation methods of cellulose extrusion coating paper, belong to technical field of function materials.The present invention is first by carbon nanotube, surfactant and water ultrasonic mixing, and then by dopamine solution and defoaming agent, high speed shear is to get dispersion liquid；First primary softwood pulp fiber and water are mixed and impregnated, mashing is subsequently added into modified additive, vegetable oil, and polyalcohol pre-processes carbon black, starch, dispersion liquid, plants essential oil, polyisocyanates, emulsification shearing, while ammonium hydroxide and calcium chloride solution is added dropwise, and obtains mixed slurry；Mixed slurry is poured into vacuum filtration bottle, is filtered, compacting is dry to get cellulose extrusion coating paper.Cellulose extrusion coating paper provided by the invention has excellent electric conductivity and electromagnetic shielding performance.
Description
Technical field
The invention discloses a kind of preparation methods of cellulose extrusion coating paper, belong to technical field of function materials.
Background technique
It has swepts the globe as the third time industrial revolution is at full speed, scientific and technical general advance, electronics, electrical technology are continuous to be obtained
To breakthrough, all kinds of electronic instruments, household appliance are increasingly popularized in people's daily life and work, us is made to live more
Convenient, society is more progressive.Electronics, electrical equipment accordingly generate electromagnetic interference (EMI) while servicing human lives.
Electromagnetic wave is that we are used to transmit a kind of important way of information and energy, however we are utilizing the same of electromagnetic wave service life
When also produce electromagenetic wave radiation pollution simultaneously, electromagenetic wave radiation pollution is a kind of invisible pollution form, pollutes shape with tradition
Formula is different, and electromagenetic wave radiation often be can't see, not heard, but virtually can generate huge injury to human body, has
It biggish harmfulness and is not easy targetedly to protect.Electromagnetic interference (EMI) caused by electromagnetic wave is huge to human body generation
While harm, serious interference also is generated to electronic equipment, precision instrument, the signal transmission of radiation areas, affects us
Daily Working Life.
Since electromagnetic pollution situation is increasingly serious, either for human health the considerations of, or for the protection of equipment,
The action oriented research of electromagnetic shielding material is extremely urgent.Currently, most of shielding materials are metal material, metal material specific gravity
Greatly, price brings very big difficulty for large-scale production and application.Therefore, it is badly in need of developing that a kind of shielding properties is excellent, shape is compatible
Good, the frivolous novel shielding material of property.
Carbon nanotube is a kind of monodimension nanometer material, can be used for improving the mechanics, calorifics and electricity of regenerated celulose fibre
Performance.Patent ZL200710036886.5 describes the preparation method of cellulose/carbon nano composite fibre, by carbon nanotube
It is dispersed in N-methylmorpholine-N- object aqueous solution, and then is mixed with cellulose pulp, cellulose composite spinning liquid, spinning is made
Cellulose/carbon nano composite fibre is made through extrusion, solidification forming in liquid.Patent ZL201010589210.0 is by certain proportion
Carbon nanotube, carbon black mixed with ionic liquid, and then dissolve cellulose pulp, cellulose composite spinning liquid is made, by dry
The method for spraying wet spinning prepares cellulose/carbon nano/carbon black composite fibre.Carbon nanotube is directly mixed with spinning solution, by
It is high in cellulose solution viscosity, cause dispersion process difficulty big, the high requirements on the equipment, there are carbon nanotubes to disperse non-uniform ask
Topic.But the problem that cellulose extrusion coating paper traditional at present is bad there is also electric conductivity and electromagnetic shielding performance, therefore also need
It is studied.
Summary of the invention
The present invention solves the technical problem of: it is directed to traditional fibre element extrusion coating paper electric conductivity and electromagnetic shielding performance
Bad problem provides a kind of preparation method of cellulose extrusion coating paper.
In order to solve the above-mentioned technical problem, the technical scheme adopted by the invention is that:
(1) according to parts by weight, 20~30 parts of carbon nanotubes are successively taken, 3~5 parts of surfactants, 0.3~0.5 part of defoaming agent,
8~10 parts of dopamine solutions, 40~60 parts of water mixing, then will be more first by carbon nanotube, surfactant and water ultrasonic mixing
Bar amine aqueous solution and defoaming agent, high speed shear is to get dispersion liquid；
(2) according to parts by weight, 20~30 parts of primary softwood pulp fibers, 5~8 parts of modified additives, 2~3 parts of ammonia are successively taken
Water, 2~3 parts of calcium chloride solutions, 2~3 parts of vegetable oil, 3~5 parts of polyalcohols, 3~5 parts of pretreatment carbon blacks, 2~3 parts of starch, 40
~60 parts of water, 20~30 parts of dispersion liquids, 2~3 parts of plants essential oils, 2~3 parts of polyisocyanates, first by primary softwood pulp fiber
It mixes and impregnates with water, mashing is subsequently added into modified additive, vegetable oil, and polyalcohol pre-processes carbon black, starch, and dispersion liquid is planted
Object essential oil, polyisocyanates, emulsification shearing, while ammonium hydroxide and calcium chloride solution is added dropwise, obtain mixed slurry；
(3) mixed slurry is poured into vacuum filtration bottle, is filtered, compacting is dry to get cellulose extrusion coating paper.
Step (1) surfactant is neopelex, NaLS, sodium lignin sulfonate or ten
Any one in sodium dialkyl sulfate.
Step (1) defoaming agent be polyoxyethylene polyoxypropylene pentaerythrite ether, polyoxyethylene polyoxy propyl alcohol amidogen ether or
Any one in polypropylene glycerol aether.
The preparation process of step (2) described modified additive are as follows: mix sodium alginate and water 1:50~1:100 in mass ratio
It closes, after standing swelling, heating stirring dissolution is subsequently added into 0.1~0.2 times of sodium alginate quality of sodium metaperiodate, heating stirring
Reaction is to get modified additive.
Step (2) vegetable oil is soybean oil, rapeseed oil, any one in peanut oil or tea-seed oil.
Step (2) polyalcohol is polybutylene glyool adipate, in polycarbonate glycol or polycaprolactone glycol
Any one.
The treatment process of step (2) the pretreatment carbon black are as follows: according to parts by weight, 20~30 parts are carbonized, 2~3 parts
Biogas slurry, 1~2 part of glucose solution, 30~50 parts of water mixed fermentations, Freezing smashing are sieved, and thaw, filtering, dry to get pre-
Treated carbon black.
Step (2) starch is cornstarch, any one in soybean starch or glutinous rice starch.
Step (2) plants essential oil is Rosemary Oil, Lavender, rose ethereal oil, jasmine essential oil, camellia
Any one in essential oil or saussurea involucrata essential oil.
Step (2) polyisocyanates be methyl diphenylene diisocyanate or toluene di-isocyanate(TDI) any one.
The beneficial effects of the present invention are:
(1) technical solution of the present invention, during the preparation process, firstly, by carbon nanotube, surfactant and water ultrasonic mixing are connect
By dopamine solution and defoaming agent, dopamine has alkalinity, the carboxylic ions of carbon nano tube surface is enabled to, so that carbon
Nanotube surface is negatively charged, since like charges are mutually exclusive, enable carbon nanotube is good to be dispersed in system, makes
It can be uniformly filled in wood pulp cellulose, then, primary softwood pulp fiber and water are mixed and impregnated, mashing is subsequently added into
Modified additive, vegetable oil, polyalcohol pre-process carbon black, starch and dispersion liquid, emulsification shearing, while ammonium hydroxide and chlorination are added dropwise
Calcium solution, by the way that ammonium hydroxide is added dropwise, in the process, since the hydroxyl on the sodium alginate strand in modified additive is oxidized
At aldehyde radical, aldol can occur with the hydroxyl on wood pulp cellulose surface and the hydroxyl of carbon nano tube surface respectively under alkaline condition
Condensation reaction, so that carbon nanotube and the interface bond strength on wood pulp cellulose surface get a promotion, to improve wood pulp cellulose
Electric conductivity, since carbon nanotube can be uniformly filled in wood pulp cellulose, meanwhile, the interface of carbon nanotube and wood pulp cellulose surface
In conjunction with preferable, conducting particles is enabled to be adsorbed on wood pulp cellulose surface, Complete three-dimensional conductive network is constituted therewith, so that system
Electric conductivity further promoted, meanwhile, carbon nanotube and the boundary strength on wood pulp cellulose surface get a promotion so that
Gap in system is reduced, and electromagnetic wave is not easy the leakage of the gap from system, the reflection loss of system is enhanced, to enhance
The electromagnetic shielding performance of system；
(2) present invention will be carbonized, natural pond in pretreatment carbon black preparation process by addition modified additive and pretreatment carbon black
Liquid, glucose solution, water mixed fermentation are then passed through Freezing smashing, enable carbon black to split into the particle of micro/nano level, make
Carbon black, which must be pre-processed, good can be dispersed in modified additive formation cross-linked network, so that the electromagnetic shielding performance of system obtains
It is promoted to further.
Specific embodiment
Sodium alginate and water 1:50~1:100 in mass ratio are placed in No. 1 beaker, stir 10~20min with glass bar,
After standing 3~5h of swelling, No. 1 beaker is placed in digital display and is tested the speed in constant temperature blender with magnetic force, is 90~95 DEG C in temperature, revolving speed is
Under the conditions of 400~600r/min, heating stirring dissolves 40~60min, and sodium alginate quality 0.1 is then added into No. 1 beaker
~0.2 times of sodium metaperiodate, in temperature be 90~95 DEG C, revolving speed be 400~600r/min under the conditions of, heating stirring reaction 40~
60min is to get modified additive；According to parts by weight, 20~30 parts are carbonized, 2~3 parts of biogas slurries, 1~2 part of mass fraction is
0.3~0.5 part of glucose solution, 30~50 parts of water are placed in fermentation cauldron, are 30~35 DEG C in temperature, revolving speed is 100~200r/
Under the conditions of min, mixed fermentation 3~5 days, fermentation mixed liquor is obtained, then fermentation mixed liquor is placed in liquid nitrogen and is freezed, material must be freezed,
Then freezing material is placed in ball mill grinding in ball mill, crosses the sieve of 270 mesh, obtains ball milling material, ball milling material is then placed in room temperature item
It thaws under part and melts completely to ball milling material, obtain mixed serum, then filter mixed slurry, obtain filter residue, be then placed in filter residue
In baking oven, under the conditions of temperature is 105~110 DEG C, drying to constant weight is to get pretreatment carbon black；According to parts by weight, it successively takes
20~30 parts of carbon nanotubes, 3~5 parts of surfactants, 0.3~0.5 part of defoaming agent, 8~10 parts of mass concentrations are 2.6mL/min
Carbon nanotube, surfactant and water stirring are first placed in No. 2 beakers, then will by dopamine solution, 40~60 parts of water mixing
No. 2 beakers are placed in ultrasonic disperse instrument, and under the conditions of supersonic frequency is 55~75kHz, 1~2h of ultrasonic disperse obtains dispersion liquid, connects
Dispersion liquid is placed in high speed emulsification cutter, dopamine solution and defoaming agent then is added into high speed emulsification cutter,
Under the conditions of revolving speed is 10000~12000r/min, 2~3h of high speed shear is to get dispersion liquid；According to parts by weight, it successively takes
20~30 parts of primary softwood pulp fibers, 5~8 parts of modified additives, the ammonium hydroxide that 2~3 parts of mass fractions are 20~30%, 2~3
Part calcium chloride solution, 2~3 parts of vegetable oil, 3~5 parts of polyalcohols, 3~5 parts of pretreatment carbon blacks, 2~3 parts of starch, 40~60 parts
Water, 20~30 parts of dispersion liquids, 2~3 parts of plants essential oils, 2~3 parts of polyisocyanates first set primary softwood pulp fiber and water
After 2~3h is impregnated in mixing in beater, under the conditions of revolving speed is 3000~3200r/min, it is beaten 3~5h, then to mashing
It is added modified additive in machine, vegetable oil, polyalcohol pre-processes carbon black, starch, dispersion liquid, plants essential oil, polyisocyanates,
In revolving speed be 3000~3200r/min under the conditions of, emulsification shearing 3~5h, while into beater be added dropwise mass fraction be 20~
The calcium chloride solution that 30% ammonium hydroxide and mass fraction is 10~20%, obtains mixed slurry；Mixed slurry is poured into vacuum filtration bottle
In, it filtering, compacting obtains blank, then blank is placed in baking oven, under the conditions of temperature is 105~110 DEG C, drying to constant weight, i.e.,
Obtain cellulose extrusion coating paper.The surfactant is neopelex, NaLS, sodium lignin sulfonate or ten
Any one in sodium dialkyl sulfate.The defoaming agent is polyoxyethylene polyoxypropylene pentaerythrite ether, polyoxyethylene polyoxy
Any one in propyl alcohol amidogen ether or polypropylene glycerol aether.The vegetable oil is soybean oil, rapeseed oil, peanut oil or tea-seed oil
In any one.The polyalcohol is polybutylene glyool adipate, in polycarbonate glycol or polycaprolactone glycol
Any one.The starch is cornstarch, any one in soybean starch or glutinous rice starch.The plants essential oil is that fan changes
Any one in essential oil, Lavender, rose ethereal oil, jasmine essential oil, camellia essential oil or saussurea involucrata essential oil.It is described more
Isocyanates be methyl diphenylene diisocyanate or toluene di-isocyanate(TDI) any one.
Example 1
Sodium alginate and water 1:100 in mass ratio are placed in No. 1 beaker, stir 20min with glass bar, after standing swelling 5h,
No. 1 beaker is placed in digital display to test the speed in constant temperature blender with magnetic force, in temperature be 95 DEG C, under the conditions of revolving speed is 600r/min, heating
0.2 times of sodium alginate quality of sodium metaperiodate is then added in stirring and dissolving 60min into No. 1 beaker, is 95 DEG C in temperature, turns
Under the conditions of speed is 600r/min, heating stirring reacts 60min to get modified additive；According to parts by weight, 30 parts are carbonized, 3
Part biogas slurry, 2 parts of mass fractions are 0.5 part of glucose solution, and 50 parts of water are placed in fermentation cauldron, are 35 DEG C in temperature, revolving speed is
Under the conditions of 200r/min, mixed fermentation 5 days, fermentation mixed liquor is obtained, then fermentation mixed liquor is placed in liquid nitrogen and is freezed, must freezed
Freezing material is then placed in ball mill grinding in ball mill, crosses the sieve of 270 mesh, obtain ball milling material, ball milling material is then placed in room temperature by material
Under the conditions of thaw and melt completely to ball milling material, obtain mixed serum, then filter mixed slurry, obtain filter residue, then set filter residue
In baking oven, under the conditions of temperature is 110 DEG C, drying to constant weight is to get pretreatment carbon black；According to parts by weight, 30 are successively taken
Part carbon nanotube, 5 parts of surfactants, 0.5 part of defoaming agent, 10 parts of mass concentrations are 2.6mL/min dopamine solution, 60 parts of water
Carbon nanotube, surfactant and water stirring are first placed in No. 2 beakers, No. 2 beakers are then placed in ultrasonic disperse instrument by mixing
In, under the conditions of supersonic frequency is 75kHz, ultrasonic disperse 2h obtains dispersion liquid, and dispersion liquid is then placed in high speed emulsification cutter
In, dopamine solution and defoaming agent then is added into high speed emulsification cutter, under the conditions of revolving speed is 12000r/min, high speed
3h is sheared to get dispersion liquid；According to parts by weight, 30 parts of primary softwood pulp fibers, 8 parts of modified additives, 3 parts of matter are successively taken
The ammonium hydroxide that amount score is 30%, 3 parts of calcium chloride solutions, 3 parts of vegetable oil, 5 parts of polyalcohols, 5 parts of pretreatment carbon blacks, 3 parts of starch, 60
Primary softwood pulp fiber and water are first placed in beater by part water, 30 parts of dispersion liquids, 3 parts of plants essential oils, 3 parts of polyisocyanates
After 3h is impregnated in middle mixing, under the conditions of revolving speed is 3200r/min, it is beaten 5h, modified additive is then added into beater, planted
Object oil, polyalcohol, pre-process carbon black, starch, dispersion liquid, plants essential oil, polyisocyanates, in revolving speed be 3200r/min condition
Under, emulsification shearing 5h, while the calcium chloride that the ammonium hydroxide and mass fraction that dropwise addition mass fraction is 30% into beater are 20% is molten
Liquid obtains mixed slurry；Mixed slurry to be poured into vacuum filtration bottle, is filtered, compacting obtains blank, then blank is placed in baking oven,
Under the conditions of temperature is 110 DEG C, drying is to constant weight to get cellulose extrusion coating paper.The surfactant is detergent alkylate sulphur
Sour sodium.The defoaming agent is polyoxyethylene polyoxypropylene pentaerythrite ether.The vegetable oil is soybean oil.The polyalcohol is poly-
Tetramethylene adipate glycol.The starch is cornstarch.The plants essential oil is Rosemary Oil.The polyisocyanates
For methyl diphenylene diisocyanate.
Example 2
Sodium alginate and water 1:100 in mass ratio are placed in No. 1 beaker, stir 20min with glass bar, after standing swelling 5h,
No. 1 beaker is placed in digital display to test the speed in constant temperature blender with magnetic force, in temperature be 95 DEG C, under the conditions of revolving speed is 600r/min, heating
0.2 times of sodium alginate quality of sodium metaperiodate is then added in stirring and dissolving 60min into No. 1 beaker, is 95 DEG C in temperature, turns
Under the conditions of speed is 600r/min, heating stirring reacts 60min to get modified additive；According to parts by weight, 30 parts are carbonized, 3
Part biogas slurry, 2 parts of mass fractions are 0.5 part of glucose solution, and 50 parts of water are placed in fermentation cauldron, are 35 DEG C in temperature, revolving speed is
Under the conditions of 200r/min, mixed fermentation 5 days, fermentation mixed liquor is obtained, then fermentation mixed liquor is placed in liquid nitrogen and is freezed, must freezed
Freezing material is then placed in ball mill grinding in ball mill, crosses the sieve of 270 mesh, obtain ball milling material, ball milling material is then placed in room temperature by material
Under the conditions of thaw and melt completely to ball milling material, obtain mixed serum, then filter mixed slurry, obtain filter residue, then set filter residue
In baking oven, under the conditions of temperature is 110 DEG C, drying to constant weight is to get pretreatment carbon black；According to parts by weight, 30 are successively taken
Part carbon nanotube, 5 parts of surfactants, 0.5 part of defoaming agent, 60 parts of water mixing first stir carbon nanotube, surfactant and water
It mixes and is placed in No. 2 beakers, then No. 2 beakers are placed in ultrasonic disperse instrument, under the conditions of supersonic frequency is 75kHz, ultrasound point
2h is dissipated, dispersion liquid is obtained, then dispersion liquid is placed in high speed emulsification cutter, defoaming then is added into high speed emulsification cutter
Agent, under the conditions of revolving speed is 12000r/min, high speed shear 3h is to get dispersion liquid；According to parts by weight, successively take 30 parts it is primary
Softwood pulp fiber, 8 parts of modified additives, the ammonium hydroxide that 3 parts of mass fractions are 30%, 3 parts of calcium chloride solutions, 3 parts of vegetable oil, 5 parts
Polyalcohol, 5 parts of pretreatment carbon blacks, 3 parts of starch, 60 parts of water, 30 parts of dispersion liquids, 3 parts of plants essential oils, 3 parts of polyisocyanates first will
Primary softwood pulp fiber and water are placed in beater after mixing immersion 3h, under the conditions of revolving speed is 3200r/min, are beaten 5h,
Then it is added modified additive into beater, vegetable oil, polyalcohol pre-processes carbon black, starch, dispersion liquid, and plants essential oil is more
Isocyanates, under the conditions of revolving speed is 3200r/min, emulsification shearing 5h, while it is 30% that mass fraction, which is added dropwise, into beater
The calcium chloride solution that ammonium hydroxide and mass fraction are 20%, obtains mixed slurry；Mixed slurry is poured into vacuum filtration bottle, is filtered, pressure
It is real, blank is obtained, then blank is placed in baking oven, under the conditions of temperature is 110 DEG C, drying is to constant weight to get cellulose extrusion coating paper.
The surfactant is neopelex.The defoaming agent is polyoxyethylene polyoxypropylene pentaerythrite ether.It is described
Vegetable oil is soybean oil.The polyalcohol is polybutylene glyool adipate.The starch is cornstarch.The plant essence
Oil is Rosemary Oil.The polyisocyanates is methyl diphenylene diisocyanate.
Example 3
According to parts by weight, 30 parts are carbonized, 3 parts of biogas slurries, 2 parts of mass fractions are 0.5 part of glucose solution, and 50 parts of water are placed in hair
In ferment kettle, it is 35 DEG C in temperature, under the conditions of revolving speed is 200r/min, mixed fermentation 5 days, obtains fermentation mixed liquor, then fermentation is mixed
Conjunction liquid, which is placed in liquid nitrogen, to be freezed, and material must be freezed, and freezing material is then placed in ball mill grinding in ball mill, the sieve of 270 mesh is crossed, obtains ball
Ball milling material then is placed in be thawed under room temperature to ball milling material and melt completely, mixed serum obtained, then by mixed slurry by abrasive material
Filtering, obtains filter residue, then filter residue is placed in baking oven, and under the conditions of temperature is 110 DEG C, drying to constant weight is to get pretreatment charcoal
It is black；According to parts by weight, 30 parts of carbon nanotubes are successively taken, 5 parts of surfactants, 0.5 part of defoaming agent, 10 parts of mass concentrations are
Carbon nanotube, surfactant and water stirring are first placed in No. 2 beakers by 2.6mL/min dopamine solution, 60 parts of water mixing,
Then No. 2 beakers are placed in ultrasonic disperse instrument, under the conditions of supersonic frequency is 75kHz, ultrasonic disperse 2h obtains dispersion liquid, connects
Dispersion liquid is placed in high speed emulsification cutter, dopamine solution and defoaming agent then is added into high speed emulsification cutter,
Under the conditions of revolving speed is 12000r/min, high speed shear 3h is to get dispersion liquid；According to parts by weight, 30 parts of primary needles are successively taken
Leaf wood pulp cellulose, the ammonium hydroxide that 3 parts of mass fractions are 30%, 3 parts of calcium chloride solutions, 3 parts of vegetable oil, 5 parts of polyalcohols, 5 parts of pretreatments
Carbon black, 3 parts of starch, 60 parts of water, 30 parts of dispersion liquids, 3 parts of plants essential oils, 3 parts of polyisocyanates, first by primary softwood pulp fiber
It is placed in beater after mixing immersion 3h with water, under the conditions of revolving speed is 3200r/min, is beaten 5h, then adds into beater
Enter vegetable oil, polyalcohol pre-processes carbon black, starch, dispersion liquid, plants essential oil, polyisocyanates, in revolving speed be 3200r/min
Under the conditions of, emulsification shearing 5h, while the ammonium hydroxide that mass fraction is 30% and the chlorination that mass fraction is 20% being added dropwise into beater
Calcium solution obtains mixed slurry；Mixed slurry is poured into vacuum filtration bottle, is filtered, compacting obtains blank, then blank is placed in baking
In case, under the conditions of temperature is 110 DEG C, drying is to constant weight to get cellulose extrusion coating paper.The surfactant is dodecyl
Benzene sulfonic acid sodium salt.The defoaming agent is polyoxyethylene polyoxypropylene pentaerythrite ether.The vegetable oil is soybean oil.The polyalcohol
For polybutylene glyool adipate.The starch is cornstarch.The plants essential oil is Rosemary Oil.The polyisocyanate cyanogen
Acid esters is methyl diphenylene diisocyanate.
Example 4
Sodium alginate and water 1:100 in mass ratio are placed in No. 1 beaker, stir 20min with glass bar, after standing swelling 5h,
No. 1 beaker is placed in digital display to test the speed in constant temperature blender with magnetic force, in temperature be 95 DEG C, under the conditions of revolving speed is 600r/min, heating
0.2 times of sodium alginate quality of sodium metaperiodate is then added in stirring and dissolving 60min into No. 1 beaker, is 95 DEG C in temperature, turns
Under the conditions of speed is 600r/min, heating stirring reacts 60min to get modified additive；According to parts by weight, 30 parts are carbonized, 3
Part biogas slurry, 2 parts of mass fractions are 0.5 part of glucose solution, and 50 parts of water are placed in fermentation cauldron, are 35 DEG C in temperature, revolving speed is
Under the conditions of 200r/min, mixed fermentation 5 days, fermentation mixed liquor is obtained, then fermentation mixed liquor is placed in liquid nitrogen and is freezed, must freezed
Freezing material is then placed in ball mill grinding in ball mill, crosses the sieve of 270 mesh, obtain ball milling material, ball milling material is then placed in room temperature by material
Under the conditions of thaw and melt completely to ball milling material, obtain mixed serum, then filter mixed slurry, obtain filter residue, then set filter residue
In baking oven, under the conditions of temperature is 110 DEG C, drying to constant weight is to get pretreatment carbon black；According to parts by weight, 30 are successively taken
Part carbon nanotube, 5 parts of surfactants, 0.5 part of defoaming agent, 10 parts of mass concentrations are 2.6mL/min dopamine solution, 60 parts of water
Carbon nanotube, surfactant and water stirring are first placed in No. 2 beakers, No. 2 beakers are then placed in ultrasonic disperse instrument by mixing
In, under the conditions of supersonic frequency is 75kHz, ultrasonic disperse 2h obtains dispersion liquid, and dispersion liquid is then placed in high speed emulsification cutter
In, dopamine solution and defoaming agent then is added into high speed emulsification cutter, under the conditions of revolving speed is 12000r/min, high speed
3h is sheared to get dispersion liquid；According to parts by weight, 30 parts of primary softwood pulp fibers, 8 parts of modified additives, 3 parts of matter are successively taken
Measure the ammonium hydroxide that score is 30%, 3 parts of vegetable oil, 5 parts of polyalcohols, 5 parts of pretreatment carbon blacks, 3 parts of starch, 60 parts of water, 30 parts of dispersions
Primary softwood pulp fiber and water are first placed in mixing in beater and impregnate 3h by liquid, 3 parts of plants essential oils, 3 parts of polyisocyanates
Afterwards, under the conditions of revolving speed is 3200r/min, it is beaten 5h, is then added modified additive into beater, vegetable oil, polyalcohol,
Carbon black is pre-processed, starch, dispersion liquid, plants essential oil, polyisocyanates, under the conditions of revolving speed is 3200r/min, emulsification is sheared
5h, while the ammonium hydroxide that mass fraction is 30% being added dropwise into beater, obtain mixed slurry；Mixed slurry is poured into vacuum filtration bottle
In, it filters, compacting obtains blank, then blank is placed in baking oven, and under the conditions of temperature is 110 DEG C, drying is to constant weight to get fibre
Tie up plain extrusion coating paper.The surfactant is neopelex.The defoaming agent is polyoxyethylene polyoxypropylene season penta
Four alcohol ethers.The vegetable oil is soybean oil.The polyalcohol is polybutylene glyool adipate.The starch is corn shallow lake
Powder.The plants essential oil is Rosemary Oil.The polyisocyanates is methyl diphenylene diisocyanate.
Example 5
Sodium alginate and water 1:100 in mass ratio are placed in No. 1 beaker, stir 20min with glass bar, after standing swelling 5h,
No. 1 beaker is placed in digital display to test the speed in constant temperature blender with magnetic force, in temperature be 95 DEG C, under the conditions of revolving speed is 600r/min, heating
0.2 times of sodium alginate quality of sodium metaperiodate is then added in stirring and dissolving 60min into No. 1 beaker, is 95 DEG C in temperature, turns
Under the conditions of speed is 600r/min, heating stirring reacts 60min to get modified additive；According to parts by weight, 30 parts of carbon are successively taken
Nanotube, 5 parts of surfactants, 0.5 part of defoaming agent, 10 parts of mass concentrations are 2.6mL/min dopamine solution, and 60 parts of water are mixed
It closes, first carbon nanotube, surfactant and water stirring is placed in No. 2 beakers, No. 2 beakers are then placed in ultrasonic disperse instrument
In, under the conditions of supersonic frequency is 75kHz, ultrasonic disperse 2h obtains dispersion liquid, and dispersion liquid is then placed in high speed emulsification cutter
In, dopamine solution and defoaming agent then is added into high speed emulsification cutter, under the conditions of revolving speed is 12000r/min, high speed
3h is sheared to get dispersion liquid；According to parts by weight, 30 parts of primary softwood pulp fibers, 8 parts of modified additives, 3 parts of matter are successively taken
Measure the ammonium hydroxide that score is 30%, 3 parts of calcium chloride solutions, 3 parts of vegetable oil, 5 parts of polyalcohols, 3 parts of starch, 60 parts of water, 30 parts of dispersions
Primary softwood pulp fiber and water are first placed in mixing in beater and impregnate 3h by liquid, 3 parts of plants essential oils, 3 parts of polyisocyanates
Afterwards, under the conditions of revolving speed is 3200r/min, it is beaten 5h, is then added modified additive into beater, vegetable oil, polyalcohol,
Starch, dispersion liquid, plants essential oil, polyisocyanates, under the conditions of revolving speed is 3200r/min, emulsification shearing 5h, while to mashing
The ammonium hydroxide that mass fraction is 30% and the calcium chloride solution that mass fraction is 20% are added dropwise in machine, obtains mixed slurry；By mixed slurry
It pours into vacuum filtration bottle, filters, compacting obtains blank, then blank is placed in baking oven, dry under the conditions of temperature is 110 DEG C
To constant weight to get cellulose extrusion coating paper.The surfactant is neopelex.The defoaming agent is polyoxyethylene
Polyoxypropylene pentaerythrite ether.The vegetable oil is soybean oil.The polyalcohol is polybutylene glyool adipate.The shallow lake
Powder is cornstarch.The plants essential oil is Rosemary Oil.The polyisocyanates is methyl diphenylene diisocyanate.
Example 6
Sodium alginate and water 1:100 in mass ratio are placed in No. 1 beaker, stir 20min with glass bar, after standing swelling 5h,
No. 1 beaker is placed in digital display to test the speed in constant temperature blender with magnetic force, in temperature be 95 DEG C, under the conditions of revolving speed is 600r/min, heating
0.2 times of sodium alginate quality of sodium metaperiodate is then added in stirring and dissolving 60min into No. 1 beaker, is 95 DEG C in temperature, turns
Under the conditions of speed is 600r/min, heating stirring reacts 60min to get modified additive；According to parts by weight, 30 parts are carbonized, 3
Part biogas slurry, 2 parts of mass fractions are 0.5 part of glucose solution, and 50 parts of water are placed in fermentation cauldron, are 35 DEG C in temperature, revolving speed is
Under the conditions of 200r/min, mixed fermentation 5 days, fermentation mixed liquor is obtained, then fermentation mixed liquor is placed in liquid nitrogen and is freezed, must freezed
Freezing material is then placed in ball mill grinding in ball mill, crosses the sieve of 270 mesh, obtain ball milling material, ball milling material is then placed in room temperature by material
Under the conditions of thaw and melt completely to ball milling material, obtain mixed serum, then filter mixed slurry, obtain filter residue, then set filter residue
In baking oven, under the conditions of temperature is 110 DEG C, drying to constant weight is to get pretreatment carbon black；According to parts by weight, 30 are successively taken
Part carbon nanotube, 5 parts of surfactants, 0.5 part of defoaming agent, 10 parts of mass concentrations are 2.6mL/min dopamine solution, 60 parts of water
Carbon nanotube, surfactant and water stirring are first placed in No. 2 beakers, No. 2 beakers are then placed in ultrasonic disperse instrument by mixing
In, under the conditions of supersonic frequency is 75kHz, ultrasonic disperse 2h obtains dispersion liquid, and dispersion liquid is then placed in high speed emulsification cutter
In, dopamine solution and defoaming agent then is added into high speed emulsification cutter, under the conditions of revolving speed is 12000r/min, high speed
3h is sheared to get dispersion liquid；According to parts by weight, 30 parts of primary softwood pulp fibers, 8 parts of modified additives, 3 parts of matter are successively taken
The ammonium hydroxide that amount score is 30%, 3 parts of calcium chloride solutions, 3 parts of vegetable oil, 5 parts of polyalcohols, 5 parts of pretreatment carbon blacks, 60 parts of water, 30 parts
Primary softwood pulp fiber and water first are placed in mix in beater and impregnate by dispersion liquid, 3 parts of plants essential oils, 3 parts of polyisocyanates
After 3h, under the conditions of revolving speed is 3200r/min, it is beaten 5h, modified additive is then added into beater, vegetable oil is polynary
Alcohol pre-processes carbon black, and dispersion liquid, plants essential oil, polyisocyanates, under the conditions of revolving speed is 3200r/min, 5h is sheared in emulsification,
The ammonium hydroxide that mass fraction is 30% and the calcium chloride solution that mass fraction is 20% is added dropwise into beater simultaneously, obtains mixed slurry；
By mixed slurry pour into vacuum filtration bottle in, filter, compacting, obtain blank, then blank is placed in baking oven, in temperature be 110 DEG C
Under the conditions of, drying is to constant weight to get cellulose extrusion coating paper.The surfactant is neopelex.The defoaming
Agent is polyoxyethylene polyoxypropylene pentaerythrite ether.The vegetable oil is soybean oil.The polyalcohol is polybutyleneadipate
Esterdiol.The plants essential oil is Rosemary Oil.The polyisocyanates is methyl diphenylene diisocyanate.
Comparative example: the cellulose paper of Changshu composite material Co., Ltd production.
1 to 6 gained cellulose extrusion coating paper of example and comparative example product are subjected to performance detection, the specific detection method is as follows:
Detect the volume resistivity and electromagnet shield effect of above-mentioned cellulose extrusion coating paper.Specific testing result is as shown in table 1:
Table 1: performance detection table
| Detection content | Example 1 | Example 2 | Example 3 | Example 4 | Example 5 | Example 6 | Comparative example |
| Volume resistivity/Ω cm | 0.46 | 4.67 | 5.02 | 3.45 | 4.75 | 4.28 | 10.2 |
| SE/dB | 44 | 33 | 28 | 30 | 31 | 33 | 20 |
By 1 testing result of table it is found that present invention gained cellulose extrusion coating paper has excellent electric conductivity and electromagnetic shielding performance.
Claims (10)
1. a kind of preparation method of cellulose extrusion coating paper, it is characterised in that specific preparation process is as follows:
(1) according to parts by weight, 20~30 parts of carbon nanotubes are successively taken, 3~5 parts of surfactants, 0.3~0.5 part of defoaming agent,
8~10 parts of dopamine solutions, 40~60 parts of water mixing, then will be more first by carbon nanotube, surfactant and water ultrasonic mixing
Bar amine aqueous solution and defoaming agent, high speed shear is to get dispersion liquid；
(2) according to parts by weight, 20~30 parts of primary softwood pulp fibers, 5~8 parts of modified additives, 2~3 parts of ammonia are successively taken
Water, 2~3 parts of calcium chloride solutions, 2~3 parts of vegetable oil, 3~5 parts of polyalcohols, 3~5 parts of pretreatment carbon blacks, 2~3 parts of starch, 40
~60 parts of water, 20~30 parts of dispersion liquids, 2~3 parts of plants essential oils, 2~3 parts of polyisocyanates, first by primary softwood pulp fiber
It mixes and impregnates with water, mashing is subsequently added into modified additive, vegetable oil, and polyalcohol pre-processes carbon black, starch, and dispersion liquid is planted
Object essential oil, polyisocyanates, emulsification shearing, while ammonium hydroxide and calcium chloride solution is added dropwise, obtain mixed slurry；
(3) mixed slurry is poured into vacuum filtration bottle, is filtered, compacting is dry to get cellulose extrusion coating paper.
2. a kind of preparation method of cellulose extrusion coating paper according to claim 1, it is characterised in that: step (1) described surface
Activating agent is neopelex, NaLS, any one in sodium lignin sulfonate or lauryl sodium sulfate
Kind.
3. a kind of preparation method of cellulose extrusion coating paper according to claim 1, it is characterised in that: step (1) described defoaming
Agent is polyoxyethylene polyoxypropylene pentaerythrite ether, any one in polyoxyethylene polyoxy propyl alcohol amidogen ether or polypropylene glycerol aether
Kind.
4. a kind of preparation method of cellulose extrusion coating paper according to claim 1, it is characterised in that: step (2) described modification
The preparation process of additive are as follows: sodium alginate is mixed with water 1:50~1:100 in mass ratio, after standing swelling, heating stirring
Dissolution, is subsequently added into 0.1~0.2 times of sodium alginate quality of sodium metaperiodate, and heating stirring is reacted to get modified additive.
5. a kind of preparation method of cellulose extrusion coating paper according to claim 1, it is characterised in that: step (2) described plant
Oil is soybean oil, rapeseed oil, any one in peanut oil or tea-seed oil.
6. a kind of preparation method of cellulose extrusion coating paper according to claim 1, it is characterised in that: step (2) is described polynary
Alcohol is polybutylene glyool adipate, any one in polycarbonate glycol or polycaprolactone glycol.
7. a kind of preparation method of cellulose extrusion coating paper according to claim 1, it is characterised in that: step (2) the pre- place
Manage the treatment process of carbon black are as follows: according to parts by weight, 20~30 parts are carbonized, 2~3 parts of biogas slurries, 1~2 part of glucose solution, 30
~50 parts of water mixed fermentations, Freezing smashing are sieved, and thaw, filtering, dry to get pretreatment carbon black.
8. a kind of preparation method of cellulose extrusion coating paper according to claim 1, it is characterised in that: step (2) described starch
Any one for cornstarch, in soybean starch or glutinous rice starch.
9. a kind of preparation method of cellulose extrusion coating paper according to claim 1, it is characterised in that: step (2) described plant
Essential oil is Rosemary Oil, Lavender, rose ethereal oil, jasmine essential oil, any in camellia essential oil or saussurea involucrata essential oil
It is a kind of.
10. a kind of preparation method of cellulose extrusion coating paper according to claim 1, it is characterised in that: step (2) described polyisocyanate
Cyanate be methyl diphenylene diisocyanate or toluene di-isocyanate(TDI) any one.
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