CN110485192A - A kind of filter paper containing bamboo fibre - Google Patents
A kind of filter paper containing bamboo fibre Download PDFInfo
- Publication number
- CN110485192A CN110485192A CN201910783381.8A CN201910783381A CN110485192A CN 110485192 A CN110485192 A CN 110485192A CN 201910783381 A CN201910783381 A CN 201910783381A CN 110485192 A CN110485192 A CN 110485192A
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- Prior art keywords
- parts
- filter paper
- bamboo fibre
- fibre
- unsaturated acrylic
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D39/00—Filtering material for liquid or gaseous fluids
- B01D39/14—Other self-supporting filtering material ; Other filtering material
- B01D39/16—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres
- B01D39/18—Other self-supporting filtering material ; Other filtering material of organic material, e.g. synthetic fibres the material being cellulose or derivatives thereof
-
- 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
- D21F11/14—Making cellulose wadding, filter or blotting 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
- 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
- D21H13/38—Inorganic fibres or flakes siliceous
- D21H13/40—Inorganic fibres or flakes siliceous vitreous, e.g. mineral wool, glass 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
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/03—Non-macromolecular organic compounds
- D21H17/05—Non-macromolecular organic compounds containing elements other than carbon and hydrogen only
- D21H17/07—Nitrogen-containing compounds
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/20—Macromolecular organic compounds
- D21H17/21—Macromolecular organic compounds of natural origin; Derivatives thereof
- D21H17/24—Polysaccharides
- D21H17/28—Starch
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/20—Macromolecular organic compounds
- D21H17/33—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
- 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
- D21H21/22—Agents rendering paper porous, absorbent or bulky
- D21H21/24—Surfactants
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Paper (AREA)
Abstract
The present invention provides a kind of filter paper containing bamboo fibre, the raw material including following parts by weight: ingredient A: 80-120 parts of bamboo fibre, 50-60 parts of glass fibre, 50-60 parts of wood fibre, 30-50 parts of Fypro；Ingredient B: unsaturated acrylic acid solution 30-50 parts, 5-8 parts of hydroxyalkyl amide, 1-2 parts of surfactant, 1-2 parts of heat stabilizer, starch 2-3；Wherein, unsaturated acrylic acid solution includes that water, unsaturated acrylic monomer, hydroxide and polyol compound crosslinking agent mix.Compared with prior art, the filter paper that the present invention contains bamboo fibre the utility model has the advantages that optimize the flatness of filter paper so that filter paper is more smooth, filter paper is not easy to cover dust.
Description
Technical field
The present invention relates to a kind of filter paper more particularly to a kind of filter paper containing bamboo fibre.
Background technique
Instantly the problem of industrial development is rapid in China, but there is also wasting of resources transition consumption resources；Energy-saving and emission-reduction are
Important Problems as public attention.Lubricating oil industry is the important component of petrochemical industry, serves national economy
Especially each field of industrial economy, it is closely bound up with National Macroscopic Economic Climate degree.Since 21 century, China's economic
Steady rapid growth drives internal lube oil consumption figure to grow beyond world average level, and huge market and growth prospect are
Internal lube oil enterprise development growth provides space and power.
Currently, the equipment time that the engine of a large amount of trucies and factory use does not grow (general 3 months), need replacing
Lubricating oil, lubricating oil cause to waste, what method to extend the service life of lubricating oil with, reduce maintenance of equipment number and prolong
Comparatively the service life of long equipment can greatly reduce the maintenance expense of factory and truck at big multi-vendor important
Research topic,
CN201711363615.0 discloses a kind of machine oil filter core device filter paper impregnating resin, by weight by following
Ingredient is made: water soluble phenol resin 95-100, dihydromethyl propionic acid 5.2-5.5, modified manometer silicon dioxide 0.2-0.6, ring
Oxygen resin 3-5, dimethyl fumarate 1-3, dimethyl itaconate 0.3-0.6, modified sodium lignosulfonate 1.5-2.0, plasticizer
0.3-0.8。
CN201610764324.1 discloses a kind of High Efficiency Filter Media for boiler dusting, and the filter paper includes following heavy
Measure the raw material of number: 100-150 parts of Fypro, 30-40 parts of glass fibre, 20-30 parts of bamboo fibre, phenolic resin 20-30
Part, 10-20 parts of polyethylene glycol, 10-20 parts of polyethers, 5-10 parts of polysiloxanes, 20-30 parts of acrylic emulsion, potassium stearate 2-8
Part and cyclodextrine 10-15 parts.
CN201610104244.3, which is disclosed, discloses a kind of oil filter paper, including body paper and dipping solution, the body paper
Including bamboo fibre, gypsum fiber, aramid fiber, water-soluble polyvinyl alcohol fibers, poly- fragrant oxadiazoles fiber, glass fibre, fiber
Shape binder, dispersing agent, defoaming agent, waterproofing agent；The dipping solution includes water soluble phenol resin, melamino-formaldehyde tree
Rouge, polyvinyl acetate emulsion, oil resistance agent, alkaline matter.
Including above-mentioned patented technology, the filter paper of present technology is for having the machine filter of equipment or truck in filter core
There is certain effect, but also needs to provide the new filter paper containing bamboo fibre of one kind to improve machine filter effect.
Summary of the invention
The object of the present invention is to provide a kind of filter paper containing bamboo fibre, to improve the filter effect of machine oil.
To achieve the above object, the present invention adopts the following technical scheme: a kind of filter paper containing bamboo fibre, including it is following
The raw material of parts by weight: ingredient A: 80-120 parts of bamboo fibre, 50-60 parts of glass fibre, 50-60 parts of wood fibre, polyamide are fine
30-50 parts of dimension；Ingredient B: unsaturated acrylic acid solution 30-50 parts, 5-8 parts of hydroxyalkyl amide, 1-2 parts of surfactant, heat are steady
Determine 1-2 parts of agent, starch 2-3；Wherein, unsaturated acrylic acid solution include water, unsaturated acrylic monomer, hydroxide with
Polyol compound crosslinking agent mixes.
Surfactant is the mixing of one or more of fluorine system surfactant, organic metallic surfactant.
Polymerization initiator: in peroxide, hydroperoxides, hydrogen peroxide, persulfate and azo-compound water solubility
One or more kinds of mixing.
Heat decomposition type initiator is one or more of persulfates such as sodium peroxydisulfate, potassium peroxydisulfate, ammonium persulfate
Mixing.
Hydroxyalkyl amide is surface-treated Fiber Materials, and 100~120 DEG C for the treatment of temperature, the time 90~150 minutes.
Compared with prior art, the present invention contain the filter paper of bamboo fibre the utility model has the advantages that containing hydroxyalkyl acyl in filter paper
Amine optimizes the flatness of filter paper, so that filter paper is more smooth, filter paper is not easy to cover dust.
Specific embodiment
The present invention is explained in detail below, but it is emphasized that following embodiment is exemplary
, the range and application being not intended to be limiting of the invention.
The present invention is a kind of filter paper containing bamboo fibre comprising:
Ingredient A: bamboo fibre, wood fibre, Fypro, glass fibre,
Ingredient B: unsaturated acrylic acid solution, hydroxyalkyl amide, surfactant, heat stabilizer, starch.
Wherein, unsaturated acrylic acid solution includes water, unsaturated acrylic monomer, hydroxide and polyol
Object crosslinking agent mixes.
Embodiment 1
According to parts by weight, 80 parts of bamboo fibres, 50 parts of glass fibres, 50 parts of wood fibres, 30 parts of polyamide fibres are provided
Dimension, diameter can be within the scope of 50~100nm, and length is more than 20mm, is dispersed and is discongested,
Unsaturated 30 parts of acrylic acid solution is added, temperature is maintained at 50-60 DEG C, keeps stirring；
It is added 1 part of surfactant, temperature is kept, keeps stirring；
2 parts of polymerization initiator are added, temperature is kept, keeps stirring 10 minutes；
It is added 1 part and 2 parts of starch of heat stabilizer, temperature is kept, keeps stirring 10 minutes；
5 parts of hydroxyalkyl amide, 100 DEG C are warming up to, is kept stirring 90 minutes.
Wherein, unsaturated acrylic acid solution is heated water to 50-60 DEG C, unsaturated acrylic acid series is added by being made as follows
Monomer, stirring, alkali metal hydroxide, alkaline earth metal hydroxide etc. are reacted, and polyol compound is then added portionwise
Crosslinking agent reacts 1-2h, and crosslinking agent includes N, N '-methylene-bisacrylamide, ethylene glycol two (methyl) acrylate, poly- second
One of omega-diol diacrylate, polyethylene glycol two (methyl) acrylate, polyethylene glycol diallyl ether are a variety of.Its
In, water, unsaturated acrylic monomer, hydroxide and polyol compound crosslinking agent are also 10:5:4 in weight fraction ratio:
2。
Unsaturated acrylic monomer include α-chloroacrylic acid, alpha-cyanoacrylate, Beta-methyl acrylic acid (crotonic acid),
Atropic acid, β-acryloxy propionic etc..
Surfactant: fluorine system surfactant, organic metallic surfactant etc..
Polymerization initiator: peroxide, hydroperoxides, hydrogen peroxide, persulfate and azo-compound are water-soluble.
Heat decomposition type initiator, such as sodium peroxydisulfate, potassium peroxydisulfate, ammonium persulfate persulfate；
Hydroxyalkyl amide is added to be surface-treated Fiber Materials, 100~120 DEG C for the treatment of temperature, the time 150 minutes,
It improves fiber and absorbs moisture ability；
By it is above-mentioned be mixed to get slurry and carry out wet process manufacture paper with pulp processing, finally obtain filter paper after squeezing, drying.
Embodiment 2
According to parts by weight, 120 parts of bamboo fibres, 60 parts of glass fibres, 60 parts of wood fibres, 50 parts of polyamide fibres are provided
Dimension, diameter can be within the scope of 50~100nm, and length is more than 20mm, is dispersed and is discongested,
Unsaturated 50 parts of acrylic acid solution is added, temperature is maintained at 50-60 DEG C, keeps stirring；
2 parts of surfactant are added, temperature is kept, keeps stirring；
5 parts of polymerization initiator are added, temperature is kept, keeps stirring 10 minutes；
2 parts and 3 parts of starch of heat stabilizer are added, temperature is kept, keeps stirring 10 minutes；
8 parts of hydroxyalkyl amide, 120 DEG C are warming up to, is kept stirring 100 minutes.
Wherein, unsaturated acrylic acid solution is heated water to 50-60 DEG C, unsaturated acrylic acid series is added by being made as follows
Monomer, stirring, alkali metal hydroxide, alkaline earth metal hydroxide etc. are reacted, and polyol compound is then added portionwise
Crosslinking agent reacts 1-2h, and crosslinking agent includes N, N '-methylene-bisacrylamide, ethylene glycol two (methyl) acrylate, poly- second
One of omega-diol diacrylate, polyethylene glycol two (methyl) acrylate, polyethylene glycol diallyl ether are a variety of.Its
In, water, unsaturated acrylic monomer, hydroxide and polyol compound crosslinking agent are also 15:8:7 in weight fraction ratio:
2。
Surfactant: one or more of fluorine system surfactant, organic metallic surfactant mixing.
Polymerization initiator: in peroxide, hydroperoxides, hydrogen peroxide, persulfate and azo-compound water solubility
One or more kinds of mixing.
One of heat decomposition type initiator, such as sodium peroxydisulfate, potassium peroxydisulfate, ammonium persulfate persulfate are more
Kind mixing.
Hydroxyalkyl amide is added to be surface-treated Fiber Materials, 100~120 DEG C for the treatment of temperature, the time 100 minutes,
It improves fiber and absorbs moisture ability；
By it is above-mentioned be mixed to get slurry and carry out wet process manufacture paper with pulp processing, finally obtain filter paper after squeezing, drying.
Embodiment 3
According to parts by weight, 110 parts of bamboo fibres, 55 parts of glass fibres, 55 parts of wood fibres, 40 parts of polyamide fibres are provided
Dimension, diameter can be within the scope of 50~100nm, and length is more than 20mm, is dispersed and is discongested,
Unsaturated 40 parts of acrylic acid solution is added, temperature is maintained at 50-60 DEG C, keeps stirring；
1.8 parts of surfactant are added, temperature is kept, keeps stirring；
3 parts of polymerization initiator are added, temperature is kept, keeps stirring 10 minutes；
1.5 parts and 2.5 parts of starch of heat stabilizer are added, temperature is kept, keeps stirring 10 minutes；
6 parts of hydroxyalkyl amide, 100~120 DEG C are warming up to, is kept stirring 100 minutes.
Wherein, unsaturated acrylic acid solution is heated water to 50-60 DEG C, unsaturated acrylic acid series is added by being made as follows
Monomer, stirring, alkali metal hydroxide, alkaline earth metal hydroxide etc. are reacted, and polyol compound is then added portionwise
Crosslinking agent reacts 1-2h, and crosslinking agent includes N, N '-methylene-bisacrylamide, ethylene glycol two (methyl) acrylate, poly- second
One of omega-diol diacrylate, polyethylene glycol two (methyl) acrylate, polyethylene glycol diallyl ether are a variety of.Its
In, water, unsaturated acrylic monomer, hydroxide and polyol compound crosslinking agent are also 12:8:5 in weight fraction ratio:
1.5。
Surfactant: fluorine system surfactant, organic metallic surfactant etc..
Polymerization initiator: peroxide, hydroperoxides, hydrogen peroxide, persulfate and azo-compound are water-soluble.
Heat decomposition type initiator, such as sodium peroxydisulfate, potassium peroxydisulfate, ammonium persulfate persulfate；
Hydroxyalkyl amide is added to be surface-treated Fiber Materials, 100~120 DEG C for the treatment of temperature, the time 90~150
Minute, it improves fiber and absorbs moisture ability；
By it is above-mentioned be mixed to get slurry and carry out wet process manufacture paper with pulp processing, finally obtain filter paper after squeezing, drying.
By Experimental comparison, confirms that the filter capacity of the filter paper of filter paper of the present invention and the prior art compares, confirm it
Superiority and inferiority:
After making automobile filter filter core, after automobile road conditions travel 500 hours, confirm that filter paper of the invention is obvious
Filter paper than the prior art is not covered with dust, the amount of dust low 50% or more of the relatively traditional filter paper of filter paper of the invention.With
The amount of dust of CN201610764324.1 filter paper is compared, the amount of dust of filter paper of the invention also low 20% or more.
It makes a concrete analysis of, contains hydroxyalkyl amide in filter paper of the invention, the flatness of filter paper is optimized, so that filter paper is more
Add smoothly, filter paper is not easy to cover dust.Therefore, the present invention has the apparent technical effect of the prior art.
In filter paper of the invention, increase the accounting of bamboo fibre compared with prior art, bamboo cellulose water absorbing capacity is superpower, fine
The hole of cellulose fiber passed through is smaller, but hole is more.Smaller solids can be accommodated, and the lubricating oil that can rebound
Molecule, bamboo cellulose are in reticular structure, have very strong tension structure.
Certainly, those skilled in the art in the art are it should be appreciated that above-described embodiment is intended merely to illustrate this hair
It is bright, and be not used as limitation of the invention, if in spirit of the invention, to the variation of above-described embodiment,
Modification will all be fallen within the scope of the claims.
Claims (5)
1. a kind of filter paper containing bamboo fibre, it is characterised in that: the raw material including following parts by weight:
Ingredient A: 80-120 parts of bamboo fibre, 50-60 parts of glass fibre, 50-60 parts of wood fibre, 30-50 parts of Fypro；
Ingredient B: unsaturated acrylic acid solution 30-50 parts, 5-8 parts of hydroxyalkyl amide, 1-2 parts of surfactant, heat stabilizer 1-2
Part, starch 2-3；
Wherein, unsaturated acrylic acid solution includes that water, unsaturated acrylic monomer, hydroxide and polyol compound are crosslinked
Agent mixes.
2. as described in claim 1 containing the filter paper of bamboo fibre, it is characterised in that: surfactant is fluorine system surface-active
One or more of agent, organic metallic surfactant mixing.
3. as described in claim 1 containing the filter paper of bamboo fibre, it is characterised in that: polymerization initiator: peroxide, hydrogen peroxide
The mixing of one or more of compound, hydrogen peroxide, persulfate and azo-compound water solubility.
4. as described in claim 1 containing the filter paper of bamboo fibre, it is characterised in that: heat decomposition type initiator be sodium peroxydisulfate,
The mixing of one or more of persulfates such as potassium peroxydisulfate, ammonium persulfate.
5. as described in claim 1 containing the filter paper of bamboo fibre, it is characterised in that: hydroxyalkyl amide carries out table to Fiber Materials
Surface treatment, 100~120 DEG C for the treatment of temperature, the time 90~150 minutes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910783381.8A CN110485192A (en) | 2019-08-23 | 2019-08-23 | A kind of filter paper containing bamboo fibre |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910783381.8A CN110485192A (en) | 2019-08-23 | 2019-08-23 | A kind of filter paper containing bamboo fibre |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110485192A true CN110485192A (en) | 2019-11-22 |
Family
ID=68553218
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910783381.8A Pending CN110485192A (en) | 2019-08-23 | 2019-08-23 | A kind of filter paper containing bamboo fibre |
Country Status (1)
| Country | Link |
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| CN (1) | CN110485192A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114990922A (en) * | 2022-05-30 | 2022-09-02 | 浙江金励环保纸业有限公司 | High-strength bamboo fiber gray paperboard and production process thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005045098A1 (en) * | 2003-10-25 | 2005-05-19 | Fujifilm Imaging Colorants Limited | Process for etching metal and alloy surfaces |
| CN105714597A (en) * | 2016-02-25 | 2016-06-29 | 杭州特种纸业有限公司 | Engine oil filter paper and preparation method thereof |
| CN106381751A (en) * | 2016-08-31 | 2017-02-08 | 江苏理文造纸有限公司 | High efficiency filter paper for boiler dedusting |
| CN107855118A (en) * | 2017-12-12 | 2018-03-30 | 成都育芽科技有限公司 | A kind of environment-friendly dye sewage-treating agent and preparation method thereof |
-
2019
- 2019-08-23 CN CN201910783381.8A patent/CN110485192A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2005045098A1 (en) * | 2003-10-25 | 2005-05-19 | Fujifilm Imaging Colorants Limited | Process for etching metal and alloy surfaces |
| CN105714597A (en) * | 2016-02-25 | 2016-06-29 | 杭州特种纸业有限公司 | Engine oil filter paper and preparation method thereof |
| CN106381751A (en) * | 2016-08-31 | 2017-02-08 | 江苏理文造纸有限公司 | High efficiency filter paper for boiler dedusting |
| CN107855118A (en) * | 2017-12-12 | 2018-03-30 | 成都育芽科技有限公司 | A kind of environment-friendly dye sewage-treating agent and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114990922A (en) * | 2022-05-30 | 2022-09-02 | 浙江金励环保纸业有限公司 | High-strength bamboo fiber gray paperboard and production process thereof |
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Application publication date: 20191122 |