CN106283833B - A kind of preparation method of superhigh molecular weight polyethylene fibers paper - Google Patents

A kind of preparation method of superhigh molecular weight polyethylene fibers paper Download PDF

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Publication number
CN106283833B
CN106283833B CN201610921059.3A CN201610921059A CN106283833B CN 106283833 B CN106283833 B CN 106283833B CN 201610921059 A CN201610921059 A CN 201610921059A CN 106283833 B CN106283833 B CN 106283833B
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paper
molecular weight
weight polyethylene
resin
polyethylene fibers
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CN106283833A (en
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龙柱
王长红
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Jiangnan University
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Jiangnan University
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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
    • D21H13/00—Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material
    • D21H13/10—Organic non-cellulose fibres
    • D21H13/12—Organic non-cellulose fibres from macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D21H13/14—Polyalkenes, e.g. polystyrene polyethylene
    • 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
    • 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
    • D21H17/33—Synthetic macromolecular compounds
    • D21H17/46—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
    • D21H21/06—Paper forming aids
    • D21H21/08—Dispersing agents for fibres
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
    • D21H21/06—Paper forming aids
    • D21H21/10—Retention agents or drainage improvers
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
    • D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
    • D21H21/18—Reinforcing agents
    • 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
    • D21H25/00—After-treatment of paper not provided for in groups D21H17/00 - D21H23/00
    • D21H25/005—Mechanical treatment
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
    • D21H27/08—Filter paper

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Paper (AREA)

Abstract

The present invention relates to a kind of preparation method of superhigh molecular weight polyethylene fibers paper, pulp technology for making paper is particularly belonged to.Superhigh molecular weight polyethylene fibers paper is made in its enhancing by pre-processing, adding auxiliary agent, shaping and body paper.The preparation technology of the present invention can obtain light, and evenness is good, and pore-size distribution is concentrated, and thickness range is big, and intensity is good, chemical-resistance and the excellent UHMWPE fibrous papers of resistance to low temperature.The UHMWPE fibrous papers of preparation can be used for filtering material of the industry such as battery separator paper, food, chemical industry etc..

Description

A kind of preparation method of superhigh molecular weight polyethylene fibers paper
Technical field
The present invention relates to a kind of preparation method of superhigh molecular weight polyethylene fibers paper, pulp technology for making paper is particularly belonged to.
Background technology
Ultra-high molecular weight polyethylene (UHMWPE) fiber appearance is white, has intensity height, modulus height, light weight, chemistry Many excellent performances such as stability is good, light resistance is good, low temperature resistant, service life length, also there is good resistant to chemical etching, ratio Energy absorption height, electromagnetic wave tansmittivity height, the impact resistance that coefficient of friction is low, excellent and anti-cut performance, and do not absorb water, with giving birth to The features such as thing compatibility is good, and be the minimum fiber of all high-strength high-modulus fibre Midst densities, and unique one kind can be in water The high-performance fiber floated on face, there is outstanding physical and mechanical properties.Its specific strength is the highest in the fiber used at present , it is also higher by 40% than p-aramid fiber, it is more than 15 times of high-quality steel wire, is 10 times of ordinary chemical fiber and high-quality steel fibre, Carbon fiber is only second to, temperature in use can be as little as subzero 150 DEG C.Its combination property has been over aramid fiber, and density ratio aramid fiber is more It is small.
The function admirable of UHMWPE materials, obtained in fields such as military affairs, filtering material, rope, covering material, composites Extensive use.Wherein, the membrane material that prepared by UHMWPE materials achieves progress within the specific limits.As filter material Material, UHMWPE porous membranes can filter to metal ion, air, solid particle etc..It can be used as the row such as chemical industry, scientific research, freezing The materials such as the suction of industry, filter.In heavy metal industrial effluent filtering, content reduces notable, impurity to various metals ion after filtering Content is effectively controlled.In the filtering of oil field underground flooding, filtering material filtering accuracy prepared by UHMWPE is high, in water after filter Solid grain size is small, and suspension content is low, service life length, steady quality, disclosure satisfy that a variety of needs of low permeability oil field. In addition, in food and beverage industries, biological field, in pharmaceutical sanitary field, microfiltration membranes can all be used.As biological field is anti-to enzyme Answer the secondary filter of liquid, the filtering in food service industry to vinegar, the filtering in pharmaceutical sanitary field to injection medicament etc..In addition, Microporosity separator, micro-pore septum are all the applications of superelevation poromerics in battery.
Patent publication No. provides a kind of thermally induced phase separation for CN 101164677 Chinese invention patent and prepared The method of UHMWPE microporous barriers, using UHMWPE resins as membrane material, in the presence of diluent, prepare, squeeze by solution Go out, stretch, cooling extraction, reclaim extractant, UHMWPE perforated membranes are finally made.But to be confined to prepare thickness little for this method Micropore filter material, such as membrane material, sheet material, limit the application of UHMWPE microporous barriers.
Patent publication No. provides a kind of ultra-high molecular weight polyethylene film for CN103085211A Chinese invention patent The processing method of material, including general sintering, freely sinter and mixed at high speed is molded, it is characterised in that：Described general sintering In compressing step it is as follows：Compressing-sintering-cooling-taking-up product under the normal temperature of UHMWPE powder one is put into a mold. Insulation 4.0h is sintered after period cold burden need to be heated to 190-230 DEG C, and energy consumption is larger defect greatly.
Patent publication No. provides one kind p-aramid fiber fibrid system for CN103572640A Chinese invention patent The method of standby p-aramid paper, is mixed after aramid fiber fibrid is beaten with aramid short fiber, is added after dispersant in inclined wire It is molded on former, for UHMWPE fibers, it is impossible to be beaten, therefore UHMWPE pulps can not be added, it is impossible to increased by pulp Add the evenness of page, be advantageous to improve evenness performance under conditions of ensureing that suspension concentration is relatively low, but fibre density is light, it is dense Spend small, it is easier to floated in water, it is impossible to form uniform fibrous suspension.
Before this patent, do not occur the precedent that UHMWPE fibrous papers are prepared using wet therapy forming process.Wet moulding work Skill has the advantage do not replaced in itself, prepares page using wet therapy forming process, energy consumption in production process is low, technical operation is relative Simply, obtained paper formation is good, and uniform pore diameter, porosity is big, and thickness range is big, have in technique very big technology and into This advantage.The battery separator paper of string or other chemical fibres and the technology ratio of other filter materials are prepared using wet-forming technique It is more ripe, and the premium properties such as UHMWPE materials high-strength and high-modulus in itself, chemical stability, density is low are compared to string All it is very desirable with other chemical fibres.
Wet moulding requires that fiber can form uniform fibrous suspension in water, but UHMWPE fibers are relative to plant For fibres and other chemical fibres, density is lighter, and it is the small fiber of unique density ratio water in high-performance fiber, is presented in water Floating state.And UHMWPE fiber surfaces do not have active group, there is hydrophobicity, these characteristics cause unfavorable shadow to sheet forming Ring so that sheet forming is difficult, and paper formation is poor after shaping.In addition, fiber in itself between be not bound with power so that the paper of preparation Page does not almost have intensity.In the preparation process of UHMWPE fibrous papers, the raising of paper formation and intensity is that wet method is manufactured paper with pulp UHMWPE fibrous papers need the emphasis broken through.
The content of the invention
It is an object of the present invention to overcome the above deficiencies, there is provided a kind of preparation of superhigh molecular weight polyethylene fibers paper Method, preferably go out rational chemical assistant, and rational wet therapy forming process.
According to technical scheme provided by the invention, a kind of preparation method of superhigh molecular weight polyethylene fibers paper, step is such as Under：
1) pre-process：Ultra-high molecular weight polyethylene UHMWPE fibers are pre-processed；
(2) auxiliary agent is added：In terms of bone dry fiber quality, 0-5% retention and drainage aid agents, 0- are added in the slurry discongested 15% reinforcing agent, 0.01-1.5% dispersants, it is dispersed with stirring successively uniformly；
(3) it is molded：Slurry obtained by step (2) is carried out online manufacture paper with pulp, press dewatering, drying, obtain fibrous web；
(4) enhancing of body paper：Fibrous web obtained by step (3) is impregnated using impregnating resin method, direct hot pressing or first Superhigh molecular weight polyethylene fibers paper is made in resin and then the method for hot pressing；
Wherein, hot pressing condition is：50-150 DEG C, hot pressing 3min-6h is carried out under 3-30MPa；
The maceration extract that resin uses when impregnating is resin solution, and wherein resin concentration is 0.1%-10%, and solvent is volatilization Property solvent, the spread of paper is 0.5%-45% after gained dipping.
Pre-treatment step is as follows described in step (1)：
A, decontamination：Washing decontamination is carried out to superhigh molecular weight polyethylene fibers using organic solvent, cleaned with clear water；It is described Organic solvent is neopelex, lauryl sodium sulfate, acetone or alcohol.
B, soak：Content of the fiber in water is 0.15 ‰ -7 ‰ obtained by regulating step a, is added with bone dry fiber quality Meter, the dispersant that mass ratio is 0.01%-5% soak fiber, soak time 2-48h；
C, disperse：Added into mixed solution obtained by step b in terms of bone dry fiber quality, mass ratio 0.01%-5% Defoamer, then discongest equipment with fiber and discongest fiber to carry out mechanical dispersion.
The defoamer is the contracting of glycerine polyethenoxy ether, organic silicon compound thing, fatty alcohol and ethylene oxide propylene oxide Compound or propanediol polyoxypropylene ether.
Retention and drainage aid agent is PAMC, PAMA, polyethyleneimine described in step (2) Amine, cationic starch, anionic starch, amphoteric starch, non-ionic starch, the graft copolymer of starch, chitosan, cellulose, One or more in hemicellulose.
The dispersant is polyethylene glycol oxide, AEO methyl-monosilane, oleic acid polyoxyethylene fat, carboxymethyl Sodium cellulosate, alkyl diphenyl ether sodium sulfonate, APES phosphate ester salt, octadecylamine, methylcellulose, tell One or more in temperature -80, Tween-60, sodium pyrophosphate or hexamethyl sodium phosphate.
Resin described in step (4) in impregnating resin is acetate ethylene copolymer, methyl acrylate copolymer, asphalt mixtures modified by epoxy resin One or more in fat, phenolic resin, polyvinyl resin with super-high molecular weight, polyimide resin or acrylic resin.
The quantification of 8-500gm of the superhigh molecular weight polyethylene fibers paper-2, pore diameter range is in 10-1000um, hole Rate is in 5%-75%, and tensile index is in 10-150Nmg-1。
The present invention passes through mechanical dispersion-retention aid and filtering aid-dispersant aftershaping, then is increased by hot pressing and resin dipping Strong page.It is to be disperseed fiber by mechanism to discongest, and dispersant causes the reduction of the interfacial tension of fiber and water, so that Fiber is uniformly dispersed, and paper formation improves.The good paper of evenness can be prepared by not adding reinforcing agent, but the paper intensity prepared Difference, appropriate reinforcing agent are advantageous to the raising of paper strength, are also beneficial to be molded and post-process.Impregnated by resin, or Hot repressing after resin dipping, or directly after hot pressing, the strength-enhancing amount of page is very big.
Beneficial effects of the present invention：The preparation technology of the present invention can obtain lightweight, and evenness is good, and pore-size distribution is concentrated, thick Spend that scope is big, and intensity is good, chemical-resistance and the excellent UHMWPE fibrous papers of resistance to low temperature.The UHMWPE fibrous papers of preparation It can be used for filtering material of the industry such as battery separator paper, food, chemical industry etc..
Brief description of the drawings
Fig. 1 is UHMWPE fibrous papers prepared by the present invention.
Embodiment
In order to be more clearly understood that the technology contents of the present invention, described in detail especially exemplified by following examples, embodiment is only Partial data is provided, does not represent the performance range of whole UHMWPE fibrous papers of preparation.
Embodiment 1
(1) pre-process：With 1.2 × 10-3Mol/L neopelex washing fiber, and rinsed well with clear water, Set Substance 50gm-2, by fibre concentration adjust to add after 0.78 ‰ in terms of bone dry fiber quality 0.05% it is scattered 12h is soaked in agent, and being then directly over fiber dissociation device after the defoamer of addition in terms of bone dry fiber quality 0.5% is discongested, It is 10min to discongest the time, and rotating speed is 2500r/min；
(2) auxiliary agent is added：It is separately added into the slurry discongested in terms of bone dry fiber quality, 0.9% retention aid and filtering aid Agent PAMC (CPAM), 8% reinforcing agent carboxylic styrene butadiene latex, 0.06% polyethylene glycol oxide (PEO), each Auxiliary agent stirs 60s with 800r/min speed respectively after adding；
(3) it is molded：By slurry obtained by step (2), according to online concentration 0.17 ‰, directly online is manufactured paper with pulp, 4 kilograms of pressure push Dehydration 30s, 105 DEG C of dryings are squeezed, obtain body paper；
(4) enhancing of body paper：The hot pressing 15min under 150 DEG C, 15MPa hot pressing pressures, obtains UHMWPE fibers after hot pressing Paper.
Design parameter is as shown in table 1.
Embodiment 2
(1) pre-process：With embodiment 1；
(2) auxiliary agent is added：It is separately added into the slurry discongested in terms of bone dry fiber quality, 0.9% retention aid and filtering aid Agent CPAM, 8% reinforcing agent carboxylic styrene butadiene latex, 0.10% dispersant PEO；
(3) it is molded：Slurry obtained by step (2) is manufactured paper with pulp with the directly online of embodiment 1, press dewatering, drying, obtain original Paper；
(4) enhancing of body paper：The hot pressing 15min under 150 DEG C, 15MPa hot pressing pressures, obtains UHMWPE fibers after hot pressing Paper.
Design parameter is as shown in table 1.
Embodiment 3
(1) pre-process：With embodiment 1；
(2) auxiliary agent is added：It is separately added into the slurry discongested in terms of bone dry fiber quality, 0.9% retention aid and filtering aid Agent CPAM, 8% reinforcing agent carboxylic styrene butadiene latex, 0.14% dispersant PEO；
(3) it is molded：Slurry obtained by step (2) is manufactured paper with pulp with the directly online of embodiment 1, press dewatering, drying, obtain original Paper；
(4) enhancing of body paper：The hot pressing 15min under 150 DEG C, 10MPa hot pressing pressures, obtains UHMWPE fibers after hot pressing Paper.
Design parameter is as shown in table 1.
Embodiment 4
(1) pre-process：With embodiment 1；
(2) auxiliary agent is added：It is separately added into the slurry discongested in terms of bone dry fiber quality, 0.9% retention aid and filtering aid Agent CPAM, 8% reinforcing agent carboxylic styrene butadiene latex, 0.06% dispersant PEO；
(3) it is molded：Slurry obtained by step (2) is manufactured paper with pulp with the directly online of embodiment 1, press dewatering, drying, obtain original Paper；
(4) enhancing of body paper：The hot pressing 15min under 150 DEG C, 10MPa hot pressing pressures, obtains UHMWPE fibers after hot pressing Paper.
Design parameter is as shown in table 1.
Embodiment 5
(1) pre-process：With embodiment 1；
(2) auxiliary agent is added：It is separately added into the slurry discongested in terms of bone dry fiber quality, 0.9% retention aid and filtering aid Agent CPAM, 8% reinforcing agent carboxylic styrene butadiene latex, 0.10% dispersant PEO；
(3) it is molded：Slurry obtained by step (2) is manufactured paper with pulp with the directly online of embodiment 1, press dewatering, drying, obtain original Paper；
(4) enhancing of body paper：The hot pressing 15min under 150 DEG C, 20MPa hot pressing pressures, obtains UHMWPE fibers after hot pressing Paper.
Design parameter is as shown in table 1.
Embodiment 6
(1) pre-process：With embodiment 1；
(2) auxiliary agent is added：It is separately added into the slurry discongested in terms of bone dry fiber quality, 0.9% retention aid and filtering aid Agent CPAM, 8% reinforcing agent carboxylic styrene butadiene latex, 0.14% dispersant PEO；
(3) it is molded：Slurry obtained by step (2) is manufactured paper with pulp with the directly online of embodiment 1, press dewatering, drying, obtain original Paper；
(4) enhancing of body paper：The hot pressing 15min under 150 DEG C, 15MPa hot pressing pressures, obtains UHMWPE fibers after hot pressing Paper.
Design parameter is as shown in table 1.
Embodiment 7
(1) pre-process：With embodiment 1；
(2) auxiliary agent is added：It is separately added into the slurry discongested in terms of bone dry fiber quality, 0.9% retention aid and filtering aid Agent CPAM, 8% reinforcing agent carboxylic styrene butadiene latex, 0.06% dispersant PEO；
(3) it is molded：Slurry obtained by step (2) is manufactured paper with pulp with the directly online of embodiment 1, press dewatering, drying, obtain original Paper；
(4) enhancing of body paper：The hot pressing 15min under 150 DEG C, 15MPa hot pressing pressures, obtains UHMWPE fibers after hot pressing Paper.
Design parameter is as shown in table 1.
Embodiment 8
(1) pre-process：With embodiment 1；
(2) auxiliary agent is added：It is separately added into the slurry discongested in terms of bone dry fiber quality, 0.9% retention aid and filtering aid Agent CPAM, 8% reinforcing agent carboxylic styrene butadiene latex, 0.10% dispersant PEO；
(3) it is molded：Slurry obtained by step (2) is manufactured paper with pulp with the directly online of embodiment 1, press dewatering, drying, obtain original Paper；
(4) enhancing of body paper：The hot pressing 15min under 150 DEG C, 10MPa hot pressing pressures, obtains UHMWPE fibers after hot pressing Paper.
Design parameter is as shown in table 1.
Embodiment 9
(1) pre-process：With embodiment 1；
(2) auxiliary agent is added：It is separately added into the slurry discongested in terms of bone dry fiber quality, 0.9% retention aid and filtering aid Agent CPAM, 8% reinforcing agent carboxylic styrene butadiene latex, 0.14% dispersant PEO；
(3) it is molded：Slurry obtained by step (2) is manufactured paper with pulp with the directly online of embodiment 1, press dewatering, drying, obtain original Paper；
(4) enhancing of body paper：The hot pressing 15min under 150 DEG C, 20MPa hot pressing pressures, obtains UHMWPE fibers after hot pressing Paper.
Design parameter is as shown in table 1.
Embodiment 10
Step (1)-(3) are the same as embodiment 7.
(4) enhancing of body paper：Step (3) is prepared into gained shaping body paper dipping EVA resin, resin model 7A60H, resin Concentration 0.5%, paper spread 13.5%, finally obtain superhigh molecular weight polyethylene fibers paper.Design parameter is as shown in table 1.
Embodiment 11
Step (1)-(3) are the same as embodiment 7.
(4) enhancing of body paper：Paper dipping EVA resin prepared by step 3, resin model 7A60H, resin concentration 0.5%, Paper spread 12.6%.Hot pressing after impregnated paper is dried, hot pressing pressure 15MPa, hot pressing time 15min, hot pressing temperature 80 DEG C, finally obtain superhigh molecular weight polyethylene fibers paper.Design parameter is as shown in table 1.
The UHMWPE fibrous paper tensile indexes of table 1
Factor PEO dosages/% Hot pressing pressure/MPa Tensile index/Nmg-1
Embodiment 1 0.06 20 45.72
Embodiment 2 0.10 15 47.49
Embodiment 3 0.14 10 42.41
Embodiment 4 0.06 10 53.63
Embodiment 5 0.10 20 54.70
Embodiment 6 0.14 15 60.36
Embodiment 7 0.06 15 61.80
Embodiment 8 0.10 10 56.22
Embodiment 9 0.14 20 53.83
Embodiment 10 14.41
Embodiment 11 26.5
With reference to shown in table 1, the tensile index of paper under different PEO addition and different hot pressing pressures, wherein, PEO Dosage 0.12%, during hot pressing pressure 15MPa, the tensile strength of paper is maximum.

Claims (5)

  1. A kind of 1. preparation method of superhigh molecular weight polyethylene fibers paper, it is characterized in that step is as follows：
    （1）Pretreatment：Ultra-high molecular weight polyethylene UHMWPE fibers are pre-processed；
    （2）Add auxiliary agent：In terms of bone dry fiber quality, 0-5% retention and drainage aid agents, 0-15% enhancings are added in the slurry discongested Agent, 0.01-1.5% dispersants, it is dispersed with stirring successively uniformly；
    （3）Shaping：To step（2）Gained slurry carry out online manufacture paper with pulp, press dewatering, drying, obtain fibrous web；
    （4）The enhancing of body paper：To step（3）Gained fibrous web is using impregnating resin method, direct hot pressing or impregnating resin first Then the method enhancing superhigh molecular weight polyethylene fibers paper of hot pressing；
    Wherein, hot pressing condition is：50-150 DEG C, hot pressing 3min-6h is carried out under 3-30MPa；
    The maceration extract that resin uses when impregnating is resin solution, and wherein resin concentration is 0.1%-10%, and solvent is volatile solvent, The spread of paper is 0.5%-45% after gained dipping；
    Step（1）Described in pre-treatment step it is as follows：
    A, decontamination：Washing decontamination is carried out to superhigh molecular weight polyethylene fibers using organic solvent, cleaned with clear water；
    B, soak：Content of the fiber in water is 0.15 ‰ -7 ‰ obtained by regulating step a, is added in terms of bone dry fiber quality, matter The dispersant that amount ratio is 0.01%-5% soaks fiber, soak time 2-48h；
    C, disperse：Added into mixed solution obtained by step b in terms of bone dry fiber quality, mass ratio is 0.01%-5% defoaming Agent, then discongest equipment with fiber and discongest fiber to carry out mechanical dispersion；
    The quantification of 8-500gm of the superhigh molecular weight polyethylene fibers paper-2, pore diameter range exists in 10-1000um, porosity 5%-75%, tensile index is in 10-150Nmg-1。
  2. 2. the preparation method of superhigh molecular weight polyethylene fibers paper as claimed in claim 1, it is characterized in that：Defoamer in step c For the condensation product or propane diols polyoxy third of glycerine polyethenoxy ether, organic silicon compound thing, fatty alcohol and ethylene oxide propylene oxide Alkene ether.
  3. 3. the preparation method of superhigh molecular weight polyethylene fibers paper as claimed in claim 1, it is characterized in that：Step（2）Described in Retention and drainage aid agent is PAMA, polyethyleneimine, cationic starch, anionic starch, amphoteric starch, nonionic One or more in starch, the graft copolymer of starch, chitosan, cellulose, hemicellulose.
  4. 4. the preparation method of superhigh molecular weight polyethylene fibers paper as claimed in claim 1, it is characterized in that：The dispersant is fat Fat alcohol APEO methyl-monosilane, oleic acid polyoxyethylene fat, sodium carboxymethylcellulose, alkyl diphenyl ether sodium sulfonate, alkyl phenol Polyoxyethylene ether phosphate salt, octadecylamine, methylcellulose, Tween-80, Tween-60, sodium pyrophosphate or hexamethyl phosphoric acid One or more in sodium.
  5. 5. the preparation method of superhigh molecular weight polyethylene fibers paper as claimed in claim 1, it is characterized in that：Step（4）The leaching Resin in stain resin is acetate ethylene copolymer, methyl acrylate copolymer, epoxy resin, phenolic resin, super high molecular weight One or more in polyvinyl resin or acrylic resin.
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