CN108203895A - A kind of wet method prepares the production method of staple fibre paper - Google Patents
A kind of wet method prepares the production method of staple fibre paper Download PDFInfo
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- CN108203895A CN108203895A CN201711419331.9A CN201711419331A CN108203895A CN 108203895 A CN108203895 A CN 108203895A CN 201711419331 A CN201711419331 A CN 201711419331A CN 108203895 A CN108203895 A CN 108203895A
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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
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/06—Paper forming aids
- D21H21/08—Dispersing agents for fibres
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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
- 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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- Nonwoven Fabrics (AREA)
- Artificial Filaments (AREA)
- Paper (AREA)
Abstract
The present invention discloses the production method that a kind of wet method prepares staple fibre paper.The production method that the wet method prepares staple fibre paper includes the following steps：First, after mixing auxiliary agent, inorganic particle, spinning in proportion with polymer powder, mixing kneading is carried out under the conditions of 150 230 DEG C and handles to obtain fused materials；2nd, the fused materials are subjected to fiber draw processing, form fibre material；3rd, the fibre material, dispersant and amylan are put in proportion into stirring pool and are stirred, fibre stuff is formed after uniform stirring；4th, it carries out preparing staple fibre paper using the fibre stuff.
Description
Technical field
The invention belongs to staple fibre paper technical fields, are specifically related to the producer that a kind of wet method prepares staple fibre paper
Method.
Background technology
At present, synthetic paper made of environmental protection plastic (being commonly called as stone paper) uses natural stone-powder as primary raw material mostly, addition polyethylene,
Through mixed at high speed, mixing, extrusion, granular materials is made in the auxiliary agents such as polypropylene, by casting machine, calender or inflation film manufacturing machine, is made
After film substrate, then corona, coating, drying, trimming, stone paper is made.
But the stone paper of the method production, through market test, it is difficult to be widely applied, be primarily present following defect：
First, the product made cannot together be recycled with conventional paper, because it is film like structures, can only together be returned with plastics
It receives.
2nd, synthesis is of high cost.
Also, it is mainly manifested in following four aspects：
First, equipment yield is low, either blowing or the tape casting, the biaxial tension method after calendering, their breadth is small
In 1.6 meters, unit speed is no more than 50 ms/min；
2nd, the amount of labour used is big, and power consumption is big, by produce per year 10,000 tons of stone paper equipment, need eight or more inflation film manufacturing machine or four with
On calendering biaxial orientation stretching machine, in addition mixing granulation, coating drying system need large quantities of personnel input, recruitment, electricity consumption and yield
It is disproportionate；
3rd, density is big, and heat resistance is inadequate, absorbency is bad：Compare with conventional paper, specific surface area few more than 1/3rd,
Comprehensive cost practical more expensive than conventional paper more than 10%；Heat resistance is inadequate, and when high speed printing can deform, even the biography most generally used
True and duplicator all can not practical application, because of the reason of it is membranaceous accumulation；With PE, PP make it is membranaceous through corona, coating,
Drying, coating layer is less than 5 microns, phenomena such as can not drying for a long time after printing or writing, cause to wear ink；
4th, deflection not enough etc. synthtic price index, it is inorganic highly filled plastic paper, and the various aspects without conventional paper are comprehensive
Close superior function.
Invention content
It is the problems in existing it is an object of the invention to solve, the producer that a kind of wet method prepares staple fibre paper is provided
Method.
To reach above-mentioned purpose, the present invention adopts the following technical scheme that, a kind of wet method prepares the producer of staple fibre paper
Method includes the following steps：First, after mixing auxiliary agent, inorganic particle, spinning in proportion with polymer powder, in 150-230 DEG C of item
Mixing kneading is carried out under part to handle to obtain fused materials；2nd, the fused materials are subjected to fiber draw processing, form fibre object
Material；3rd, the fibre material, dispersant and amylan are put in proportion into stirring pool and are stirred, formed after uniform stirring
Fibre stuff；4th, it carries out preparing staple fibre paper using the fibre stuff.
Preferably, in step 1, the quality hundred of the inorganic particle, the auxiliary agent and the spinning polymer powder
Point ratio is：Inorganic particle 72%-78%, auxiliary agent 2.5%-3%, other are spinning polymer powder；Moreover, the inorganic powder
Body includes：Paris white, talcum powder, one of titanium dioxide and silicon dioxide powder or at least two combination；The auxiliary agent includes
One in stearic acid, titanate coupling agent, aluminate coupling agent, lubricant, zinc oxide, antioxidant and ultra-violet absorber
Or at least two combination；The spinning includes the combination of one or two in PP and PET with polymer powder.
Preferably, specifically comprise the following steps in step 1：Under the conditions of 150-230 DEG C by auxiliary agent and inorganic particle into
Row is mixed and modified, obtains modified powder；Spinning polymer powder is added in the modified powder, is pinched using twin-screw
It closes, copolymerization is carried out under the conditions of 150-230 DEG C and is kneaded plasticizing, forms initial melt material；By initial melt material by being equipped with
The single screw extrusion machine of mixing section carries out secondary mixing, and obtains final pressure fused materials in extrusion to surge tank body.
Preferably, specifically comprise the following steps in step 1：Under the conditions of 150-230 DEG C by auxiliary agent and inorganic particle into
Row is mixed and modified, obtains modified powder；Spinning polymer powder is added in the modified powder, is pinched using three screw rods
It closes, copolymerization is carried out under the conditions of 150-230 DEG C and is kneaded plasticizing, forms initial melt material；Initial melt material is passed through successively
The gear booster pump and metering pump of setting carry out secondary mixing, and are delivered to and final pressure fusant is obtained in surge tank body
Material.
Preferably, specifically comprise the following steps in step 2：By the fused materials equably to spinneret squeeze out and to
Lower traction provides cold wind from both sides to the material in distraction procedure and forces air draught downwards, micro- as 1-50 to form fibre diameter
Filament between rice；The uniform ground resistance of filament after traction, which is fallen, is laid in the first carrying net surface, and in the described first carrying
Net surface forms irregular non-woven fabric-like fiber, and the non-woven fabric-like fiber is imported fibre after first bearer network stripping
Cutting machine is tieed up, the staple fiber of length 1-50mm is cut to, forms the fibre material.
Preferably, in step 3, be subject to the quality of water in stirring pool, per 100kg water in add in 0.5-3kg dispersants,
1-10kg fibre materials and the amylan that 10-40kg solid contents are 15%.
Preferably, specifically comprise the following steps in step 4：The fibre stuff is pumped by screw pump to head box,
And papermaking lapper surface is equably sprayed on by the head box；The papermaking lapper is by the fibre stuff on its surface
It evenly operates to pressure roller, and the pressure roller send the fibre stuff after squeezing to vacuum suction roller into vacuum adsorbed place
Reason, vacuum suction treated fibre stuff form paper-like fiber, and the paper-like fiber be equably layed in the papermaking into
The surface of net machine；By the paper-like fiber from the papermaking lapper sur-face peeling, and it is transported to the second bearer network and carries out hot wind
It is dry, the paper-like fiber after being dried；Paper-like fiber after drying is imported into sizing applicator and carries out sizing processing, and will be at sizing
After paper-like fiber after reason carries out heated-air drying, the staple fibre paper is obtained.
Compared to the prior art, technical solution provided by the invention has the advantages that：
Wet method prepares the fibrous paper of the production method production of staple fibre paper, is to aspirate to be formed by enfleurage wire drawing and high wind
Fiber fines technique, and reticular fibre dense accumulation structure technology is employed, and cause based on traditional fiber papermaking technique
Staple fibre paper has the netted connecting structure of non-woven fabric-like, and product density declines, and good permeability, breadth are big, speed is fast, height is filled out
Fill, low cost, low grammes per square metre, water suction absorbency it is good, deflection is good, heat resistance greatly improves；
It, and can be with after beating paddle moreover, the indices of fibrous paper of the method for the present invention production are approached with conventional paper
Traditional fibre paper recycles together.
Description of the drawings
Attached drawing described herein is used to provide further understanding of the present invention, and forms the part of the present invention, this hair
Bright illustrative embodiments and their description do not constitute improper limitations of the present invention for explaining the present invention.In the accompanying drawings：
Fig. 1 is that wet method provided in an embodiment of the present invention prepares the production method of staple fibre paper is related to the one of production system
The structure diagram of kind embodiment；
Fig. 2 is that wet method provided in an embodiment of the present invention prepares the another of the production system that the production method of staple fibre paper is related to
A kind of structure diagram of embodiment.
Reference numeral：
Twin-screw mediate mixer 110, single screw extrusion machine 120, surge tank body 130, filter 140, spinneret 210,
First bearer network 220, cutting machine 230, refrigeration system 240, negative-pressure air-suction machine 250, stirring pool 310, head box 320, papermaking into
Net machine 330, pressure roller 331, vacuum suction roller 332, the second bearer network 340, sizing applicator 350, winder 360, three screw rod kneadings
Mixer 2110, gear booster pump 2120, metering pump 2130, surge tank body 2140, filter 2150.
Specific embodiment
In order to make technical problems, technical solutions and advantages to be solved clearer, clear, tie below
Drawings and examples are closed, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only used
To explain the present invention, it is not intended to limit the present invention.
In claims of the present invention, specification and above-mentioned attached drawing, unless otherwise specifically limited, such as using term " the
One ", " second " or " third " etc. are provided to distinguish different objects rather than for describing particular order.
In claims of the present invention, specification and above-mentioned attached drawing, unless otherwise specifically limited, for the noun of locality, such as
Using term " " center ", " transverse direction ", " longitudinal direction ", " level ", " vertical ", " top ", " bottom ", " interior ", " outer ", " on ", " under ",
The indicating positions such as "front", "rear", "left", "right", " clockwise ", " counterclockwise " or position relationship are based on orientation shown in the drawings
And position relationship, and be for only for ease of the narration present invention and simplify description rather than instruction or imply signified device or member
Part must have specific orientation or with specific azimuth configuration and operation, so the specific of the limitation present invention can not be interpreted as
Protection domain.
In claims of the present invention, specification and above-mentioned attached drawing, unless otherwise specifically limited, such as using term " Gu
Connect " or " being fixedly connected ", it should broadly understood, i.e., between the two without displacement relation and any connection side of relative rotation relationship
Formula, that is to say, that including be unremovably fixedly connected with, be removably secured connection, be connected as a single entity and by other devices or
Element is fixedly connected.
In claims of the present invention, specification and above-mentioned attached drawing, such as using term " comprising ", " having " and they
Deformation, it is intended that " including but not limited to ".
Embodiment one
Referring to Fig. 1, the production system that a kind of wet method prepares staple fibre paper includes along staple fibre processing sender
Batch mixing segment, spinneret section to setting, papermaking section.
Wherein, after the batch mixing segment is for auxiliary agent, inorganic particle, spinning to be mixed in proportion with polymer powder,
Mixing kneading is carried out under the conditions of 150-230 DEG C to handle to obtain fused materials；The spinneret section is used to carry out the fused materials
Fiber draw processing, forms fibre material；The papermaking section be used for by the fibre material, dispersant and amylan in proportion into
Row stirring, forms fibre stuff after uniform stirring, and carries out using the fibre stuff preparing staple fibre paper.It should be appreciated that
It should be selected in the temperature for be kneaded kneading processing according to the physical features of auxiliary agent and spinning polymer powder, so as to
Guarantee obtains suitable fused materials.
In the present embodiment, the batch mixing segment includes：It is set gradually along material moving direction：Twin-screw mediates mixer
110th, single screw extrusion machine 120, surge tank body 130.
In the batch mixing segment, after auxiliary agent, inorganic particle, spinning are mixed in proportion with polymer powder, double spiral shells are utilized
Bar is mediated mixer 110 and is mediated, and copolymerization is carried out under the conditions of 150-230 DEG C and is kneaded plasticizing, forms initial melt material, and
Initial melt material is subjected to secondary mixing by being equipped with the single screw extrusion machine 120 of mixing section, and is squeezed out to described equal
Final pressure fused materials are obtained in pressure babinet 130.
Selectively, in order to filter out the particle pressed in fused materials, in the single screw extrusion machine 120 and described
Filter 140 can also be installed between surge tank body 130, initial melt material is squeezed into institute by the single screw extrusion machine 120
It states after being filtered in filter 140, enters back into and final pressure fused materials are obtained in the surge tank body 130.
It should be noted that the filter 140 is used to filter the particulate matter and solid impurity in initial melt material.It can
Selectively, the filter 140 can be the filter for including but not limited to vacuum filter or pressure filter, and the present invention is right
This is not limited.
The spinneret section includes what is set gradually along material moving direction：Spinneret 210, the first bearer network 220 and cut-out
Machine 230.Selectively, first bearer network 220 can be nylon wire.Wherein, the spinneret 210, which is assemblied in, described presses
Case 130, and be connected as a single entity with the surge tank 130.Specifically, the discharge port of surge tank 130 described in 210 face of spinneret
Setting, first bearer network 220 is set at the 3-6 rice of the underface of the spinneret 210, moreover, the cutting machine 230 is set
In the discharge end of first bearer network 220.
For example, the spinneret 210 is one 2-8 meters long, 0.15-0.3 meters of width, has 10000-60000 diameter 0.4-
The mold of 0.8mm apertures composition.
In the spinneret section, the fused materials that the batch mixing segment is obtained equably squeeze out simultaneously to the spinneret 210
Traction downwards provides cold wind from both sides to the material in distraction procedure and forces air draught downwards, to form fibre diameter as 1-50
Filament between micron；The uniform ground resistance of the filament after traction, which is fallen, is laid in 220 surface of the first bearer network, and described
First bearer network, 220 surface forms irregular non-woven fabric-like fiber, by the non-woven fabric-like fiber from first bearer network
Fibre cutting machine 230 is imported after 220 strippings, the staple fiber of length 1-50mm is cut to, forms the fibre material.It should manage
It solves, the length of staple fiber, can be selected according to actual design in the fibre material, and the present invention does not limit this
It is fixed.
It should be appreciated that two side positions being equipped between the surge tank 130 and first bearer network 220 are equipped with refrigeration
System 240, the refrigeration system 240 are located at the both sides of material squeezed out from the spinneret 210.Selectively, the refrigeration
System 240 can be air-refrigeration system or thermoelectric refrigerating system, and the present invention does not limit this.
In addition, in order to which filament preferably is adsorbed in 220 surface of the first bearer network, first bearer network 220
Lower section be equipped with negative-pressure air-suction machine 250, the fibre that the inlet scoop face of the negative-pressure air-suction machine 250 is sprayed from the spinneret 210
Tie up silk.
The papermaking section includes：It is set gradually along material moving direction：Stirring pool 310, head box 320, papermaking networking
Machine 330, the second bearer network 340, sizing applicator 350 and winder 360.Selectively, second bearer network 340 can be Teflon
Imperial net.
Wherein, the bottom discharge mouth setting of cutting machine 230 described in 310 face of stirring pool, the stirring pool 310 and institute
It states and is connected by screw pump between head box 320, the head box 320 is set on the surface of the papermaking lapper 330, institute
State the cycle operation in the same direction synchronous with second bearer network 340 of papermaking lapper 330；Along material rotation direction, described second holds
Contained network 340, the sizing applicator 350 and the winder 360 are set gradually.
In addition, it is installed with pressure roller 331 and vacuum suction roller successively along material moving direction in the papermaking lapper 330
332, the first dryer 370 is respectively equipped in the upper and lower of second bearer network 340, in the sizing applicator 350 and the receipts
Upper and lower between volume machine 360 is respectively equipped with the second dryer 380.
In the papermaking section, the fibre material, dispersant and amylan are put in proportion into stirring pool 310 and carried out
It stirs, fibre stuff is formed, and the fibre stuff is pumped to head box 320, and pass through by screw pump after uniform stirring
The head box 320 is equably sprayed on 330 surface of papermaking lapper；
The papermaking lapper 330 evenly operates the fibre stuff on its surface to pressure roller 331, and the squeezing
Roller 331 send the fibre stuff after squeezing to vacuum suction roller 332 into vacuum adsorbed processing, vacuum suction treated fiber
Slurry forms paper-like fiber, and the paper-like fiber is equably layed in the surface of the papermaking lapper 330；
By the paper-like fiber from 330 sur-face peeling of papermaking lapper, and it is transported to the second bearer network 340 and passes through institute
It states the first dryer 370 and carries out heated-air drying, the paper-like fiber after being dried；Paper-like fiber after drying is imported into sizing applicator
350 carry out sizing processing, and will sizing treated after paper-like fiber carries out heated-air drying by the second dryer 380, in institute
It states and is wound in winder 360, so as to obtain the staple fibre paper.
Embodiment two
Referring to Fig. 2, the production system that the wet method that embodiment two provides prepares staple fibre paper includes along staple fibre
The batch mixing segment of processing direction of transfer setting, spinneret section, papermaking section.
Moreover, the wet method that embodiment two provides prepares the production system of staple fibre paper and embodiment one provides wet method and prepares
The production system of staple fibre paper is essentially identical, and main difference is：
The batch mixing segment includes：Three screw rod kneading mixers 2110, the gear set gradually along material moving direction is pressurized
Pump 2120, metering pump 2130 and surge tank body 2140.
Moreover, in order to filter out the particle in fused materials, the gear booster pump 2120 and the metering pump 2130 it
Between can also be installed with filter 2150, initial melt material is squeezed into the gear and increased by the three screw rod kneadings mixer 2110
In press pump 2120, after the gear booster pump 2120 in the filter 2150 by being filtered, pass through the metering pump
Final pressure fused materials are obtained in the 2130 entrance surge tank bodies 2140.
It should be noted that the filter 2150 is used to filter the particulate matter and solid impurity in initial melt material.
Selectively, the filter 2150 can be the including but not limited to filter of vacuum filter or pressure filter, this hair
It is bright that this is not limited.
In the batch mixing segment, after auxiliary agent, inorganic particle, spinning are mixed in proportion with polymer powder, using described
Three screw rod kneading mixers 2110 are mediated, and copolymerization is carried out under the conditions of 150-230 DEG C and is kneaded plasticizing, forms initial melt object
Material, and initial melt material is carried out two by the gear booster pump 2120, filter 2150 and metering pump 2130 set gradually
Secondary mixing, and be delivered to and final pressure fused materials are obtained in the surge tank body 2140.
Embodiment three
Embodiment three provides the production method that a kind of wet method based on production system shown in Fig. 1 prepares staple fibre paper, tool
Body includes the following steps：
First, it after mixing auxiliary agent, inorganic particle, spinning in proportion with polymer powder, is carried out under the conditions of 150-230 DEG C
Kneading is kneaded to handle to obtain fused materials.
In step 1, the mass percent of the inorganic particle, the auxiliary agent and spinning polymer powder is：
Inorganic particle 72%-78%, auxiliary agent 2.5%-3%, other are spinning polymer powder.
Moreover, the inorganic particle includes：Paris white, talcum powder, one of titanium dioxide and silicon dioxide powder or at least
The combination of two.The auxiliary agent includes stearic acid, titanate coupling agent, aluminate coupling agent, lubricant, zinc oxide, anti-oxidant
One or at least two combination in agent and ultra-violet absorber.The spinning is included with polymer powder in PP and PET
The combination of one or two.
For example, the mass percent of each material component is in step 1：Calcium carbonate 72%, stearic acid 0.6%, metatitanic acid fat
Coupling agent 0.95%, Aluminate coupling agent 0.95%, lubricant 0.2%, zinc oxide 1 ‰, antioxidant 2 ‰ and ultra-violet absorber
1 ‰, remaining is spinning grade polypropylene PP or PET；Or
The mass percent of each material component is in step 1：The mass percent of each material component in step 1
For：Calcium carbonate 72%, stearic acid 0.6%, titanate coupling agent 0.95%, Aluminate coupling agent 0.95%, lubricant 0.2%,
Zinc oxide 1 ‰, antioxidant 2 ‰ and ultra-violet absorber 1 ‰, remaining is spinning grade polypropylene PP or PET；Or
The mass percent of each material component is in step 1：The mass percent of each material component in step 1
For：Titanium dioxide 78%, stearic acid 0.7%, titanate coupling agent 1%, Aluminate coupling agent 1%, lubricant 0.26%, zinc oxide
1 ‰, antioxidant 2 ‰ and ultra-violet absorber 1 ‰, remaining is spinning grade polypropylene PP or PET.
Specifically, specifically comprise the following steps in step 1：
It is under the conditions of 150-230 DEG C that auxiliary agent and inorganic particle progress is mixed and modified, obtain modified powder；
Spinning polymer powder is added in the modified powder, is mediated using twin-screw, in 150-230 DEG C of item
Copolymerization is carried out under part and is kneaded plasticizing, forms initial melt material；
Initial melt material is subjected to secondary mixing, and squeeze out to equal by being equipped with the single screw extrusion machine 120 of mixing section
Final pressure fused materials are obtained in pressure babinet 130.
2nd, the fused materials are subjected to fiber draw processing, form fibre material.
Specifically, step 2 includes the following steps：
The fused materials equably to spinneret 210 are squeezed out and are drawn downwards, to the material in distraction procedure from two
Side provides cold wind and forces air draught downwards, to form fibre diameter as the filament between 1-50 microns；
The uniform ground resistance of filament after traction, which is fallen, is laid in 220 surface of the first bearer network, and in first bearer network 220
Surface forms irregular non-woven fabric-like fiber, is imported after the non-woven fabric-like fiber is removed from first bearer network 220
Fibre cutting machine 230 is cut to the staple fiber of length 1-50mm, forms the fibre material.
3rd, the fibre material, dispersant and amylan are put in proportion into stirring pool 310 and are stirred, uniformly stirred
Fibre stuff is formed after mixing.
Specifically, in step 3, be subject to the quality of water in stirring pool 310, per 100kg water in add in 0.5-3kg points
Powder, 1-10kg fibre materials and 10-40kg solid contents are 15% amylan.
4th, it carries out preparing staple fibre paper using the fibre stuff.
Specifically, include the following steps in step 4：
The fibre stuff is pumped by screw pump to head box 320, and passes through the head box 320 and equably sprays
In 330 surface of papermaking lapper；
The papermaking lapper 330 evenly operates the fibre stuff on its surface to pressure roller, and the pressure roller
Fibre stuff after squeezing is sent to vacuum suction roller into vacuum adsorbed processing, treated that fibre stuff is formed for vacuum suction
Paper-like fiber, and the paper-like fiber is equably layed in the surface of the papermaking lapper 330；
By the paper-like fiber from 330 sur-face peeling of papermaking lapper, and it is transported to the second bearer network 340 and carries out heat
Air-dry dry, the paper-like fiber after being dried；
Paper-like fiber after drying is imported into sizing applicator 350 and carries out sizing processing, and will sizing treated paper-like fiber
After carrying out heated-air drying, the staple fibre paper is obtained.
Example IV
Example IV provides the production method that a kind of wet method based on production system shown in Fig. 2 prepares staple fibre paper, and
And example IV provides the wet method that the production method that wet method prepares staple fibre paper is provided with embodiment one and prepares staple fibre paper
Production method it is essentially identical, main difference is：
Specifically comprise the following steps in step 1：
It is under the conditions of 150-230 DEG C that auxiliary agent and inorganic particle progress is mixed and modified, obtain modified powder；
Spinning polymer powder is added in the modified powder, is pinched using three screw rod kneading mixers 2110
It closes, copolymerization is carried out under the conditions of 150-230 DEG C and is kneaded plasticizing, forms initial melt material；
Initial melt material is subjected to secondary mixing by the gear booster pump 2120 and metering pump 2130 set gradually, and
It is delivered to and final pressure fused materials is obtained in the surge tank body 2140.
The preferred embodiment of the present invention has shown and described in above description, as previously described, it should be understood that the present invention is not office
Be limited to form disclosed herein, be not to be taken as the exclusion to other embodiment, and available for various other combinations, modification and
Environment, and can be changed in the scope of the invention is set forth herein by the above teachings or related fields of technology or knowledge
It is dynamic.And changes and modifications made by those skilled in the art do not depart from the spirit and scope of the present invention, then it all should be appended by the present invention
In scope of the claims.
Claims (6)
1. a kind of wet method prepares the production method of staple fibre paper, which is characterized in that includes the following steps：
First, it after mixing auxiliary agent, inorganic particle, spinning in proportion with polymer powder, is kneaded under the conditions of 150-230 DEG C
Kneading handles to obtain fused materials；
2nd, the fused materials are subjected to fiber draw processing, form fibre material；
3rd, the fibre material, dispersant and amylan are put in proportion into stirring pool and are stirred, formed after uniform stirring
Fibre stuff；
4th, it carries out preparing staple fibre paper using the fibre stuff.
2. a kind of wet method as described in claim 1 prepares the production method of staple fibre paper, it is characterised in that：In step 1
In, the mass percent of the inorganic particle, the auxiliary agent and spinning polymer powder is：Inorganic particle 72%-
78%, auxiliary agent 2.5%-3%, other are spinning polymer powder；
Moreover, the inorganic particle includes：Paris white, talcum powder, one or at least two of titanium dioxide and silicon dioxide powder
Combination；
The auxiliary agent includes stearic acid, titanate coupling agent, aluminate coupling agent, lubricant, zinc oxide, antioxidant and ultraviolet
One or at least two combination in light absorbers；
The spinning includes the combination of one or two in PP and PET with polymer powder.
3. a kind of wet method as described in claim 1 prepares the production method of staple fibre paper, it is characterised in that：In step 1
Specifically comprise the following steps：
It is under the conditions of 150-230 DEG C that auxiliary agent and inorganic particle progress is mixed and modified, obtain modified powder；
Spinning polymer powder is added in the modified powder, is mediated using twin-screw, under the conditions of 150-230 DEG C
It carries out copolymerization and is kneaded plasticizing, form initial melt material；
Initial melt material is subjected to secondary mixing, and squeeze out to surge tank body by being equipped with the single screw extrusion machine of mixing section
Obtain final pressure fused materials.
4. a kind of wet method as described in claim 1 prepares the production method of staple fibre paper, it is characterised in that：In step 1
Specifically comprise the following steps：
It is under the conditions of 150-230 DEG C that auxiliary agent and inorganic particle progress is mixed and modified, obtain modified powder；
Spinning polymer powder is added in the modified powder, is mediated using three screw rods, under the conditions of 150-230 DEG C
It carries out copolymerization and is kneaded plasticizing, form initial melt material；
Initial melt material is subjected to secondary mixing, and be delivered to surge tank by the gear booster pump and metering pump set gradually
Final pressure fused materials are obtained in vivo.
5. a kind of wet method as described in claim 1 prepares the production method of staple fibre paper, it is characterised in that：Have in step 2
Body includes the following steps：
The fused materials equably to spinneret are squeezed out and are drawn downwards, it is cold from both sides offer to the material in distraction procedure
Wind simultaneously forces downwards air draught, to form fibre diameter as the filament between 1-50 microns；
The uniform ground resistance of filament after traction, which is fallen, is laid in the first carrying net surface, and is formed not in the described first carrying net surface
The non-woven fabric-like fiber is imported fibre cutting machine, quilt by the non-woven fabric-like fiber of rule after first bearer network stripping
The staple fiber of length 1-10mm is cut to, forms the fibre material.
6. a kind of wet method as described in claim 1 prepares the production method of staple fibre paper, it is characterised in that：Have in step 4
Body includes the following steps：
The fibre stuff is pumped by screw pump to head box, and papermaking networking is equably sprayed on by the head box
Machine surface；
After the papermaking lapper evenly operates the fibre stuff on its surface to pressure roller, and the pressure roller will squeeze
Fibre stuff send to vacuum suction roller into vacuum adsorbed processing, it is fine that vacuum suction treated fibre stuff forms paper-like
Dimension, and the paper-like fiber is equably layed in the surface of the papermaking lapper；
It by the paper-like fiber from the papermaking lapper sur-face peeling, and is transported to the second bearer network and carries out heated-air drying, obtain
Paper-like fiber after to drying；
Paper-like fiber after drying is imported into sizing applicator and carries out sizing processing, and will sizing treated that paper-like fiber carries out hot wind
After drying, the staple fibre paper is obtained.
Priority Applications (1)
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| CN109112896A (en) * | 2018-10-16 | 2019-01-01 | 求秋平 | A kind of synthesis wallpaper base paper and preparation method improving anti-flammability and printability |
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Application publication date: 20180626 |