CN106567286A - Wear-resistant filter paper containing graphite fiber for filter - Google Patents
Wear-resistant filter paper containing graphite fiber for filter Download PDFInfo
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- CN106567286A CN106567286A CN201610997108.1A CN201610997108A CN106567286A CN 106567286 A CN106567286 A CN 106567286A CN 201610997108 A CN201610997108 A CN 201610997108A CN 106567286 A CN106567286 A CN 106567286A
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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
- D21B1/04—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
- D21B1/36—Explosive disintegration by sudden pressure reduction
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F11/00—Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
-
- 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
- D21H13/26—Polyamides; Polyimides
-
- 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
- D21H13/36—Inorganic fibres or flakes
- D21H13/46—Non-siliceous fibres, e.g. from metal oxides
- D21H13/50—Carbon 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
- D21H15/00—Pulp or paper, comprising fibres or web-forming material characterised by features other than their chemical constitution
- D21H15/02—Pulp or paper, comprising fibres or web-forming material characterised by features other than their chemical constitution characterised by configuration
- D21H15/10—Composite fibres
- D21H15/12—Composite fibres partly organic, partly inorganic
-
- 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
- D21H17/68—Water-insoluble compounds, e.g. fillers, pigments siliceous, e.g. clays
-
- 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
- D21H17/71—Mixtures of material ; Pulp or paper comprising several different materials not incorporated by special processes
- D21H17/74—Mixtures of material ; Pulp or paper comprising several different materials not incorporated by special processes of organic and inorganic material
-
- 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
- D21H19/00—Coated paper; Coating material
- D21H19/10—Coatings without pigments
-
- 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
-
- 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
- D21H21/36—Biocidal agents, e.g. fungicidal, bactericidal, insecticidal 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
- D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
- D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
- D21H23/22—Addition to the formed paper
- D21H23/32—Addition to the formed paper by contacting paper with an excess of material, e.g. from a reservoir or in a manner necessitating removal of applied excess material from the paper
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H25/00—After-treatment of paper not provided for in groups D21H17/00 - D21H23/00
- D21H25/04—Physical treatment, e.g. heating, irradiating
- D21H25/06—Physical treatment, e.g. heating, irradiating of impregnated or coated paper
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H25/00—After-treatment of paper not provided for in groups D21H17/00 - D21H23/00
- D21H25/08—Rearranging applied substances, e.g. metering, smoothing; Removing excess material
Abstract
The invention discloses a wear-resistant filter paper containing a graphite fiber for a filter. The wear-resistant filter paper is prepared from the following raw materials in parts by weight: 1 to 2 parts of rice husk, 2.3 to 3.5 parts of chestnut shell, 1 to 2 parts of laminar silicon oxide, 10 to 20 parts of acicular broad-leaf fiber, 1 to 2 parts of agar, 1 to 3 parts of sodium hexametaphosphate, 30 to 40 parts of flax pulp, 50 to 60 parts of bamboo pulp, 1 to 3 parts of activated carbon, 1 to 3 parts of ethylene diamine, 1 to 4 parts of alkylphenol polyoxyethylene ether, 1 to 2 parts of polyacrylamide, 1 to 2 parts of water-soluble phenolic resin, 0.3 to 0.5 part of sodium hydroxyethyl cellulose, 0.2 to 0.4 part of sodium hydroxymethyl starch, 0.1 to 0.2 part of stearamide, 1 to 2 parts of the graphite fiber, 1 to 3 parts of aramid fiber, 0.1 to 0.2 part of melamine, 15 to 20 parts of styrene-acrylic emulsion, 2 to 4 parts of orange peel, 4 to 8 parts of durian shell, 5 to 6 parts of sugarcane bark, 1 to 2 parts of coir, 3 to 5 parts of sawdust, 0.02 to 0.05 part of citric acid, 0.1 to 0.2 part of zinc nitrate and 0.2 to 0.5 part of silver nitrate.
Description
Technical field
The present invention relates to cleaner technical field, more particularly to a kind of wear-resisting filter paper of filter paper containing graphite fibre.
Background technology
Electromotor has air, machine oil, three kinds of cleaners of fuel oil, commonly referred to as " three filters ".They undertake respectively electromotor and enter
The filtration of medium in gas system, lubricating system and combustion system.The pattern of air filter has two kinds, i.e. dry type and wet type.It is dry
Formula air filter is by a dry type filter element, the cleaner that (such as paper filter element) separates the impurity in air.
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 element 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 element of commonly referred to as deciding) to filter efficiency, its
Filter efficiency is up to more than 99.5%.
Make filter element 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 wear-resisting cleaner containing graphite fibre
Filter paper paper.
The present invention is achieved by the following technical solutions:
A kind of wear-resisting filter paper of filter paper containing graphite fibre, it is obtained by the raw material of following weight parts:
Rice husk 1-2, chestnut shell 2.3-3.5, laminar silicon oxide 1-2, needle-like broad-leaved fiber 10-20, agar 1-2, hexa metaphosphoric acid
Sodium 1-3, flax pulp 30-40, bamboo pulp 50-60, activated carbon 1-3, ethylenediamine 1-3, polyoxyethylene alkylphenol ether 1-4, polypropylene
Amide 1-2, water soluble phenol resin 1-2, sodium hydroxyethlcellulose 0.3-0.5, carboxymethyl starch sodium 0.2-0.4, stearmide
0.1-0.2, graphite fibre 1-2, aramid fiber 1-3, tripolycyanamide 0.1-0.2, styrene-acrylic emulsion 15-20, orange peel 2-4, Durio Zibethinus murr
Shell 4-8, Cortex Sacchari sinensis 5-6, coconut 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。
A kind of described wear-resisting filter paper of filter paper containing graphite fibre, preparation method is comprised the following steps:
(1)After orange peel, durian shell, Cortex Sacchari sinensis are mixed, add water equivalent to the water of 0.6-1 times of above-mentioned raw materials, after mixing, anaerobism
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 radiation dose is 0.5-2kJ/m2, irradiates 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, stirs at 40-60 DEG C
After mixing 0.5-1h, zinc nitrate, silver nitrate are added, after stirring, filtered, use distilled water wash filtering residue, to filtrate in neutrality,
During filtering residue is added into concentration for the sodium bicarbonate solution of 2-3%, 0.5-3h is stirred at 30-50 DEG C, filtered, use distilled water wash
Filtering residue, to filtrate in neutrality, after filtering residue is dried at 50-70 DEG C, obtains final product biological load antibacterial powder standby;
(3)After styrene-acrylic emulsion is mixed with tripolycyanamide, after adding the mixing of biological load antibacterial powder, impregnation liquid is obtained standby;
(4)After rice husk, chestnut shell are mixed, steam explosion is carried out, explosion water vapour pressure is 0.05-0.3Mpa, blasting time is
1-3s, produces thing and is dried Jing after processed, obtains xeraphium standby;
(5)Mix flax pulp, bamboo pulp and xeraphium by weight;Pulper size degradation is then placed in, add water suitable quantity of water, admittedly contained
The slurry for 4-6% is measured, other surplus stocks in addition to impregnation liquid are added, is stirred and is continued size degradation and obtain mixed slurry, Jing fluffers
After discongesting, then defibrination, gained slurry is sized mixing through adding water after defibrination, to solid content 3-5% according to conventional paper technology copy paper,
Molding squeezing, to be drying to obtain forming paper standby;
(6)Forming paper is placed in impregnation liquid and impregnates 2-3h, then removes excessive impregnation liquid 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)The present invention uses impregnation liquid, serves the effect of multistage filtering, compensate for filter paper fine
The larger defect in some perforations aperture between dimension, improves the uniformity in hole aperture between filter paper fibre, enhances sieving effect.Together
When add biological load antibacterial powder, bio-carrier can load antibacterial, and slow release, antibacterial action is strong, and lasting effect is good, tool
Broad spectrum activity and good advantage compatible with fabricated product, to various antibacterials, mycete all with killing inhibitory action well, to ring
Border is without any pollution.By the use of orange peel, durian shell, Cortex Sacchari sinensis as bio-carrier, turn waste into wealth.
(2)The present invention adopts steam explosion technology, and the fiber in plant cell is bondd by lignin, steams 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 the gas in hole produces " explosion " effect, and raw material is torn
For fiber fines, obtained fiber slurrying has high yield pulp1, free of contamination feature.
(3)Inventive formulation is rationally, high into paper strainability, by adding the attrition resistant materials such as graphite fibre, improves filter
The anti-wear performance of paper.Graphitization, phosphorus content are higher than 99% with stratiform hexagoinal lattice graphite-structure to graphite fibre molecular structure
Fiber, by add the material can be effectively increased the present invention wearability.Agar increased the smoothness of paper so that this
Invention has certain glossiness, of good quality.
Specific embodiment
A kind of wear-resisting filter paper of filter paper containing graphite fibre, it is obtained by the raw material of following weight parts:
Rice husk 1, chestnut shell 2.3, laminar silicon oxide 1, needle-like broad-leaved fiber 10, agar 1, sodium hexameta phosphate 1, flax pulp 30,
Bamboo pulp 50, activated carbon 1, ethylenediamine 1, polyoxyethylene alkylphenol ether 1, polyacrylamide 1, water soluble phenol resin 1, carboxyethyl
Sodium cellulosate 0.3, carboxymethyl starch sodium 0.2, stearmide 0.1, graphite fibre 1, aramid fiber 1, tripolycyanamide 0.1, phenylpropyl alcohol
Emulsion 15, orange peel 2, durian shell 4, Cortex Sacchari sinensis 5, coconut fibre 1, wood sawdust 3, citric acid 0.02, zinc nitrate 0.1, silver nitrate 0.2.
A kind of described wear-resisting filter paper of filter paper containing graphite fibre, preparation method is comprised the following steps:
(1)After orange peel, durian shell, Cortex Sacchari sinensis 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 radiation dose 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, stirs at 40 DEG C
After 0.5h, zinc nitrate, silver nitrate are added, after stirring, filtered, use distilled water wash filtering residue, to filtrate in neutrality, will be filtered
It is in 2% sodium bicarbonate solution, 0.5h to be stirred at 30 DEG C that slag adds concentration, is filtered, and distilled water wash filtering residue is used, to filtrate
In neutrality, after filtering residue is dried at 50 DEG C, biological load antibacterial powder is obtained final product standby;
(3)After styrene-acrylic emulsion is mixed with tripolycyanamide, after adding the mixing of biological load antibacterial powder, impregnation liquid is obtained standby;
(4)After rice husk, chestnut shell are mixed, steam explosion is carried out, explosion water vapour pressure is 0.05Mpa, and blasting time is 1s, quick-fried
Go out thing to be dried Jing after processed, obtain xeraphium standby;
(5)Mix flax pulp, bamboo pulp and xeraphium by weight;Pulper size degradation is then placed in, add water suitable quantity of water, admittedly contained
The slurry for 4% is measured, other surplus stocks in addition to impregnation liquid are added, is stirred and is continued size degradation and obtain mixed slurry, Jing fluffers are dredged
Xie Hou, then defibrination, gained slurry is sized mixing through adding water after defibrination, to solid content 3% according to conventional paper technology copy paper, molding
Squeezing, to be drying to obtain forming paper standby;
(6)Forming paper is placed in impregnation liquid and impregnates 2h, then removes excessive impregnation liquid 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 65-70L/m2.S between, 45-50 μm of maximum diameter of hole, average pore size 30-32 μm, wet elongation
Rate≤1.0%, wet bursting strength >=340KPa, tensile strength is 11.72kNm, 10 μm of filtering accuracy <, removal of impurity >
99.5%。
Claims (2)
1. a kind of wear-resisting filter paper of filter containing graphite fibre, it is characterised in that:It is obtained by the raw material of following weight parts:
Rice husk 1-2, chestnut shell 2.3-3.5, laminar silicon oxide 1-2, needle-like broad-leaved fiber 10-20, agar 1-2, hexa metaphosphoric acid
Sodium 1-3, flax pulp 30-40, bamboo pulp 50-60, activated carbon 1-3, ethylenediamine 1-3, polyoxyethylene alkylphenol ether 1-4, polypropylene
Amide 1-2, water soluble phenol resin 1-2, sodium hydroxyethlcellulose 0.3-0.5, carboxymethyl starch sodium 0.2-0.4, stearmide
0.1-0.2, graphite fibre 1-2, aramid fiber 1-3, tripolycyanamide 0.1-0.2, styrene-acrylic emulsion 15-20, orange peel 2-4, Durio Zibethinus murr
Shell 4-8, Cortex Sacchari sinensis 5-6, coconut 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 wear-resisting filter paper of filter containing graphite fibre according to claim 1, it is characterised in that:Preparation method
Comprise the following steps:
(1)After orange peel, durian shell, Cortex Sacchari sinensis are mixed, add water equivalent to the water of 0.6-1 times of above-mentioned raw materials, after mixing, anaerobism
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 radiation dose is 0.5-2kJ/m2, irradiates 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, stirs at 40-60 DEG C
After mixing 0.5-1h, zinc nitrate, silver nitrate are added, after stirring, filtered, use distilled water wash filtering residue, to filtrate in neutrality,
During filtering residue is added into concentration for the sodium bicarbonate solution of 2-3%, 0.5-3h is stirred at 30-50 DEG C, filtered, use distilled water wash
Filtering residue, to filtrate in neutrality, after filtering residue is dried at 50-70 DEG C, obtains final product biological load antibacterial powder standby;
(3)After styrene-acrylic emulsion is mixed with tripolycyanamide, after adding the mixing of biological load antibacterial powder, impregnation liquid is obtained standby;
(4)After rice husk, chestnut shell are mixed, steam explosion is carried out, explosion water vapour pressure is 0.05-0.3Mpa, blasting time is
1-3s, produces thing and is dried Jing after processed, obtains xeraphium standby;
(5)Mix flax pulp, bamboo pulp and xeraphium by weight;Pulper size degradation is then placed in, add water suitable quantity of water, admittedly contained
The slurry for 4-6% is measured, other surplus stocks in addition to impregnation liquid are added, is stirred and is continued size degradation and obtain mixed slurry, Jing fluffers
After discongesting, then defibrination, gained slurry is sized mixing through adding water after defibrination, to solid content 3-5% according to conventional paper technology copy paper,
Molding squeezing, to be drying to obtain forming paper standby;
(6)Forming paper is placed in impregnation liquid and impregnates 2-3h, then removes excessive impregnation liquid with pressure roll;It is permanent at 160-200 DEG C
Temperature drying Final finishing, obtains final product.
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN115726221A (en) * | 2022-11-22 | 2023-03-03 | 杭州特种纸业有限公司 | Medium-speed quantitative filter paper and preparation method thereof |
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CN104195870A (en) * | 2014-08-28 | 2014-12-10 | 无锡普爱德环保科技有限公司 | Ceramic fiber paper |
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