CN106758539A - A kind of cold-resistant filter paper of filter - Google Patents

A kind of cold-resistant filter paper of filter Download PDF

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Publication number
CN106758539A
CN106758539A CN201610997107.7A CN201610997107A CN106758539A CN 106758539 A CN106758539 A CN 106758539A CN 201610997107 A CN201610997107 A CN 201610997107A CN 106758539 A CN106758539 A CN 106758539A
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Prior art keywords
filter
paper
water
mixing
standby
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CN201610997107.7A
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Chinese (zh)
Inventor
薛卉慧
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Bengbu Feng Chi Cleaner Co Ltd
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Bengbu Feng Chi Cleaner Co Ltd
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Priority to CN201610997107.7A priority Critical patent/CN106758539A/en
Publication of CN106758539A publication Critical patent/CN106758539A/en
Pending legal-status Critical Current

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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
    • D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
    • D21H27/08—Filter paper
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
    • D21B1/00—Fibrous raw materials or their mechanical treatment
    • D21B1/02—Pretreatment of the raw materials by chemical or physical means
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
    • D21B1/00—Fibrous raw materials or their mechanical treatment
    • D21B1/02—Pretreatment of the raw materials by chemical or physical means
    • D21B1/021—Pretreatment of the raw materials by chemical or physical means by chemical means
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
    • D21B1/00—Fibrous raw materials or their mechanical treatment
    • D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
    • D21B1/12—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
    • D21B1/30—Defibrating by other means
    • D21B1/32—Defibrating by other means of waste paper
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
    • D21B1/00—Fibrous raw materials or their mechanical treatment
    • D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
    • D21B1/12—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
    • D21B1/30—Defibrating by other means
    • D21B1/34—Kneading or mixing; Pulpers
    • D21B1/345—Pulpers
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
    • D21D1/00—Methods of beating or refining; Beaters of the Hollander type
    • D21D1/20—Methods of refining
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
    • D21H11/12—Pulp from non-woody plants or crops, e.g. cotton, flax, straw, bagasse
    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H13/00—Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material
    • D21H13/10—Organic non-cellulose fibres
    • D21H13/20—Organic non-cellulose fibres from macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D21H13/24—Polyesters
    • 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
    • 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
    • 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
    • D21H17/34—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D21H17/37—Polymers of unsaturated acids or derivatives thereof, e.g. polyacrylates
    • 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
    • D21H17/47—Condensation polymers of aldehydes or ketones
    • D21H17/49—Condensation polymers of aldehydes or ketones with compounds containing hydrogen bound to nitrogen
    • D21H17/51—Triazines, e.g. melamine
    • 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
    • D21H17/53—Polyethers; Polyesters
    • 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
    • D21H17/675—Oxides, hydroxides or carbonates
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00—Technologies for solid waste management
    • Y02W30/50—Reuse, recycling or recovery technologies
    • Y02W30/64—Paper recycling

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Inorganic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Filtering Materials (AREA)
  • Paper (AREA)

Abstract

The invention discloses a kind of cold-resistant filter paper of filter, it is obtained by the raw material of following weight parts：The double stearoylketene amine 12, acrylic emulsion adhesive 0.5 1 of polyster fibre 12, Triton X-100 12, precipitated calcium carbonate 13, shitosan 0.3 0.5, sulfonated oil 0.2 0.4, epoxy resin latex 12, ethylene group, wood sawdust 13, banana stem 12, reed pulp 30 50, straw pulp 20 40, secondary stock 20 30, melamine 0.1 0.2, styrene-acrylic emulsion 15 20, orange peel 24, durian shell 48, sugarcane skin 56, coconut palm palm fibre 12, wood sawdust 35, citric acid 0.02 0.05, zinc nitrate 0.1 0.2, silver nitrate 0.2 0.5.

Description

A kind of cold-resistant filter paper of filter
Technical field
The present invention relates to cleaner technical field, more particularly to a kind of cold-resistant filter paper of filter.
Background technology
Engine has air, machine oil, three kinds of cleaners of fuel oil, commonly referred to as " three filters ".They undertake engine and enter respectively Gas system, lubricating system and in combustion system medium filtering.The pattern of air filter has two kinds, i.e. dry type and wet type.It is dry Formula air filter is the cleaner that (such as paper filter element) separates the impurity in air by a dry type filter element.
Air filter used by Light-duty Vehicle (contain car, minicar) is generally single-stage, and filtering material is filter paper or non-knits Make cloth.Under nominal air volume flow, the filtration efficiency of filter core should be not less than 99.5%.Heavy goods vehicles are due to working environment Badly, its air filter must be multistage.The first order is spiral-flow type prefilter (such as blade ring, cyclone pipe), is used for Big particle impurity is filtered, more than 80%, second level fine filtering is micropore paper filter element (filter core of commonly referred to as deciding) to filter efficiency, its Filter efficiency is up to more than 99.5%.
Make filter core using the filter paper of low price, because its filter paper aperture is big, lack of homogeneity, filter efficiency it is low, it is impossible to will be right Harmful impurity is effectively filtered out, and is endangered healthy..
The content of the invention
The object of the invention is exactly to make up the defect of prior art, there is provided a kind of cold-resistant filter paper of filter.
The present invention is achieved by the following technical solutions：
A kind of cold-resistant filter paper of filter, it is obtained by the raw material of following weight parts：
Polyster fibre 1-2, Triton X-100 1-2, precipitated calcium carbonate 1-3, shitosan 0.3-0.5, sulfonated oil 0.2- 0.4th, the double stearoylketene amine 1-2 of epoxy resin latex 1-2, ethylene group, acrylic emulsion adhesive 0.5-1, wood sawdust 1-3, banana Stem 1-2, reed pulp 30-50, straw pulp 20-40, secondary stock 20-30, melamine 0.1-0.2, styrene-acrylic emulsion 15-20, orange peel 2- 4th, durian shell 4-8, sugarcane skin 5-6, coconut palm palm fibre 1-2, wood sawdust 3-5, citric acid 0.02-0.05, zinc nitrate 0.1-0.2, silver nitrate 0.2-0.5。
Described a kind of cold-resistant filter paper of filter, preparation method is comprised the following steps：
（1）After orange peel, durian shell, sugarcane skin are mixed, add water equivalent to the water of 0.6-1 times of above-mentioned raw materials, after mixing, anaerobism is sent out After ferment 1-2 days, clean, air-dry, dry, pulverize to particle size range between 500-1000um, then after ultraviolet irradiation 30-60min, Obtain biological powder standby；Radiating ultraviolet light wavelength is 254nm, and dose of radiation is 0.5-2kJ/m2, is irradiated 2-3 minutes；
（2）Citric acid adds suitable quantity of water, after being configured to the citric acid solution that concentration is 2-5%, adds biological powder, is stirred at 40-60 DEG C After mixing 0.5-1h, zinc nitrate, silver nitrate are added, after stirring, filtering, with distillation water washing filter residue, to filtrate in neutrality, During filter residue is added into concentration for the sodium bicarbonate solution of 2-3%, 0.5-3h is stirred at 30-50 DEG C, filtered, with distillation water washing Filter residue, to filtrate in neutrality, filter residue obtains final product biological load antibacterial powder standby after being dried at 50-70 DEG C；
（3）After styrene-acrylic emulsion is mixed with melamine, after adding the mixing of biological load antibacterial powder, maceration extract is obtained standby；
（4）After wood sawdust, banana stem are mixed, steam blasting is carried out, explosion water vapour pressure is 0.05-0.3Mpa, blasting time It is 1-3s, produces thing and dried after dewater treatment, obtains xeraphium standby；
（5）Mixing reed pulp, straw pulp, secondary stock, are then placed in pulper size degradation by weight, and add water suitable quantity of water, obtains solid content It is the slurry of 4-6%, adds other surplus stocks in addition to maceration extract, stir and continue size degradation and obtain mixed slurry, is dredged through fluffer Xie Hou, then defibrination, gained slurry is sized mixing by adding water after defibrination, to solid content 3-5% after according to conventional paper technology copy paper, into Type squeezing, to be drying to obtain forming paper standby；
（6）Forming paper is placed in and 2-3h is impregnated in maceration extract, then removes excessive maceration extract with pressure roll；It is permanent at 160-200 DEG C Temperature drying Final finishing, obtains final product.
It is an advantage of the invention that：（1）Rationally, intensity is high for inventive formulation, high temperature resistant, filters absorption of that performance is good, use the longevity Life is long, dry and wet intensity is high and the uniform characteristic of papery, has used the raw materials such as precipitated calcium carbonate, increased cold resistance of the invention. Addition wood sawdust, banana stem, by specially treated, increased porosity of the invention and absorption property, while environmental protection Health, is conducive to sustainable development.
（2）The present invention uses maceration extract, serves the effect of multistage filtering, compensate for some perforations aperture between filter paper fibre Larger defect, improves the uniformity in hole aperture between filter paper fibre, enhances sieving effect.Add biological load simultaneously Antibacterial powder, bio-carrier can load antiseptic, and slow release, antibacterial action is strong, lasting effect is good, tool broad spectrum activity and with processing The compatible good advantage of product, to various bacteriums, mould all with killing inhibitory action well, to environment without any pollution.Profit With orange peel, durian shell, sugarcane skin as bio-carrier, turn waste into wealth.
（3）The present invention uses steam explosion technology, and the fiber in plant cell is bonded by lignin, is steamed with high temperature, high pressure Under vapour effect, cellulose crystallity is improved, and the degree of polymerization declines, hemicellulose fraction degraded, and lignin softens, under horizontal strength of connection Drop, when the material sudden pressure reduction full of steam, the acute expansion of gas in hole produces " explosion " effect, and raw material is torn It is fiber fines, obtained fiber slurrying has high yield pulp1, free of contamination feature..
Specific embodiment
A kind of cold-resistant filter paper of filter, it is obtained by the raw material of following weight parts：
Polyster fibre 1, Triton X-100 1, precipitated calcium carbonate 1, shitosan 0.3, sulfonated oil 0.2, epoxy resin breast The double stearoylketene amine 1, acrylic emulsion adhesive 0.5 of liquid 1, ethylene group, wood sawdust 1, banana stem 1, reed pulp 30, straw pulp 20, waste paper Slurry 20, melamine 0.1, styrene-acrylic emulsion 15, orange peel 2, durian shell 4, sugarcane skin 5, coconut palm palm fibre 1, wood sawdust 3, citric acid 0.02, Zinc nitrate 0.1, silver nitrate 0.2.
Described a kind of cold-resistant filter paper of filter, preparation method is comprised the following steps：
（1）After orange peel, durian shell, sugarcane skin are mixed, add water equivalent to the water of 0.6 times of above-mentioned raw materials, after mixing, anaerobic fermentation After 1 day, clean, air-dry, dry, pulverize to particle size range between 500um, then after ultraviolet irradiation 30min, obtain biological powder standby With；Radiating ultraviolet light wavelength is 254nm, and dose of radiation is 0.5kJ/m2, is irradiated 2 minutes；
（2）Citric acid adds suitable quantity of water, after being configured to the citric acid solution that concentration is 2%, adds biological powder, is stirred at 40 DEG C After 0.5h, zinc nitrate, silver nitrate are added, after stirring, filtering, with distillation water washing filter residue, to filtrate in neutrality, will be filtered During slag adds concentration to be 2% sodium bicarbonate solution, 0.5h is stirred at 30 DEG C, filtered, with distillation water washing filter residue, to filtrate In neutrality, filter residue obtains final product biological load antibacterial powder standby after being dried at 50 DEG C；
（3）After styrene-acrylic emulsion is mixed with melamine, after adding the mixing of biological load antibacterial powder, maceration extract is obtained standby；
（4）After wood sawdust, banana stem are mixed, steam blasting is carried out, explosion water vapour pressure is 0.05Mpa, and blasting time is 1s, Produce thing to be dried after dewater treatment, obtain xeraphium standby；
（5）Mixing reed pulp, straw pulp, secondary stock, are then placed in pulper size degradation by weight, and add water suitable quantity of water, obtains solid content It is 4% slurry, adds other surplus stocks in addition to maceration extract, stir and continue size degradation and obtain mixed slurry, is discongested through fluffer Afterwards, then defibrination, gained slurry is sized mixing by adding water after defibrination, to solid content 3% after according to conventional paper technology copy paper, shaping pressure Squeeze, to be drying to obtain forming paper standby；
（6）Forming paper is placed in and 2h is impregnated in maceration extract, then removes excessive maceration extract with pressure roll；The constant temperature drying at 160 DEG C Final finishing, obtains final product.
Performance of filter paper data are as follows obtained in above-described embodiment：
Filter paper into paper air permeability in 50-60L/m2.S between, 45-50 μm of maximum diameter of hole, 35-40 μm of average pore size, wet elongation Rate≤1.8%, wet bursting strength >=340KPa, tensile strength is 13.83kNm, 11 μm of filtering accuracy ＜, removal of impurity ＞ 99.7%。

Claims (2)

1. a kind of cold-resistant filter paper of filter, it is characterised in that：It is obtained by the raw material of following weight parts：
Polyster fibre 1-2, Triton X-100 1-2, precipitated calcium carbonate 1-3, shitosan 0.3-0.5, sulfonated oil 0.2- 0.4th, the double stearoylketene amine 1-2 of epoxy resin latex 1-2, ethylene group, acrylic emulsion adhesive 0.5-1, wood sawdust 1-3, banana Stem 1-2, reed pulp 30-50, straw pulp 20-40, secondary stock 20-30, melamine 0.1-0.2, styrene-acrylic emulsion 15-20, orange peel 2- 4th, durian shell 4-8, sugarcane skin 5-6, coconut palm palm fibre 1-2, wood sawdust 3-5, citric acid 0.02-0.05, zinc nitrate 0.1-0.2, silver nitrate 0.2-0.5。
2. a kind of cold-resistant filter paper of filter according to claim 1, it is characterised in that：Preparation method is comprised the following steps：
（1）After orange peel, durian shell, sugarcane skin are mixed, add water equivalent to the water of 0.6-1 times of above-mentioned raw materials, after mixing, anaerobism is sent out After ferment 1-2 days, clean, air-dry, dry, pulverize to particle size range between 500-1000um, then after ultraviolet irradiation 30-60min, Obtain biological powder standby；Radiating ultraviolet light wavelength is 254nm, and dose of radiation is 0.5-2kJ/m2, is irradiated 2-3 minutes；
（2）Citric acid adds suitable quantity of water, after being configured to the citric acid solution that concentration is 2-5%, adds biological powder, is stirred at 40-60 DEG C After mixing 0.5-1h, zinc nitrate, silver nitrate are added, after stirring, filtering, with distillation water washing filter residue, to filtrate in neutrality, During filter residue is added into concentration for the sodium bicarbonate solution of 2-3%, 0.5-3h is stirred at 30-50 DEG C, filtered, with distillation water washing Filter residue, to filtrate in neutrality, filter residue obtains final product biological load antibacterial powder standby after being dried at 50-70 DEG C；
（3）After styrene-acrylic emulsion is mixed with melamine, after adding the mixing of biological load antibacterial powder, maceration extract is obtained standby；
（4）After wood sawdust, banana stem are mixed, steam blasting is carried out, explosion water vapour pressure is 0.05-0.3Mpa, blasting time It is 1-3s, produces thing and dried after dewater treatment, obtains xeraphium standby；
（5）Mixing reed pulp, straw pulp, secondary stock, are then placed in pulper size degradation by weight, and add water suitable quantity of water, obtains solid content It is the slurry of 4-6%, adds other surplus stocks in addition to maceration extract, stir and continue size degradation and obtain mixed slurry, is dredged through fluffer Xie Hou, then defibrination, gained slurry is sized mixing by adding water after defibrination, to solid content 3-5% after according to conventional paper technology copy paper, into Type squeezing, to be drying to obtain forming paper standby；
（6）Forming paper is placed in and 2-3h is impregnated in maceration extract, then removes excessive maceration extract with pressure roll；It is permanent at 160-200 DEG C Temperature drying Final finishing, obtains final product.
CN201610997107.7A 2016-11-14 2016-11-14 A kind of cold-resistant filter paper of filter Pending CN106758539A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107587384A (en) * 2017-10-10 2018-01-16 枣庄市恒宇纸业有限公司 It is a kind of to improve colored parchment vividness and effectively prevent the method to fade

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3906064A (en) * 1973-02-12 1975-09-16 Little Inc A Process for dry forming paper
CN102407340A (en) * 2011-04-18 2012-04-11 中国人民解放军总后勤部军需装备研究所 Preparation method of silver/carbon core-shell structure micro powder
CN103151504A (en) * 2013-04-08 2013-06-12 廖小玉 Preparation method of silver doped carbon-silicon composite negative electrode material
CN103334343A (en) * 2013-05-30 2013-10-02 蚌埠首创滤清器有限公司 Thermal resistance filter paper and preparation method thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3906064A (en) * 1973-02-12 1975-09-16 Little Inc A Process for dry forming paper
CN102407340A (en) * 2011-04-18 2012-04-11 中国人民解放军总后勤部军需装备研究所 Preparation method of silver/carbon core-shell structure micro powder
CN103151504A (en) * 2013-04-08 2013-06-12 廖小玉 Preparation method of silver doped carbon-silicon composite negative electrode material
CN103334343A (en) * 2013-05-30 2013-10-02 蚌埠首创滤清器有限公司 Thermal resistance filter paper and preparation method thereof

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107587384A (en) * 2017-10-10 2018-01-16 枣庄市恒宇纸业有限公司 It is a kind of to improve colored parchment vividness and effectively prevent the method to fade

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