CN109224632A - A kind of flue gas ash removal filtering material final finishing size and preparation method thereof - Google Patents
A kind of flue gas ash removal filtering material final finishing size and preparation method thereof Download PDFInfo
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- CN109224632A CN109224632A CN201811216907.6A CN201811216907A CN109224632A CN 109224632 A CN109224632 A CN 109224632A CN 201811216907 A CN201811216907 A CN 201811216907A CN 109224632 A CN109224632 A CN 109224632A
- Authority
- CN
- China
- Prior art keywords
- fumed silica
- flue gas
- ash removal
- filtering material
- gas ash
- Prior art date
- 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.)
- Pending
Links
- 238000001914 filtration Methods 0.000 title claims abstract description 40
- 239000000463 material Substances 0.000 title claims abstract description 31
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 20
- 239000003546 flue gas Substances 0.000 title claims abstract description 20
- 238000002360 preparation method Methods 0.000 title claims abstract description 8
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 52
- 229910021485 fumed silica Inorganic materials 0.000 claims abstract description 50
- 239000002086 nanomaterial Substances 0.000 claims abstract description 40
- 239000002253 acid Substances 0.000 claims abstract description 24
- 239000006210 lotion Substances 0.000 claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000003093 cationic surfactant Substances 0.000 claims abstract description 19
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 11
- 239000007787 solid Substances 0.000 claims abstract description 11
- 239000011259 mixed solution Substances 0.000 claims abstract description 10
- 239000012467 final product Substances 0.000 claims abstract description 9
- 238000003756 stirring Methods 0.000 claims abstract description 9
- 239000000203 mixture Substances 0.000 claims abstract description 5
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 10
- 230000003213 activating effect Effects 0.000 claims description 8
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 8
- 229910052593 corundum Inorganic materials 0.000 claims description 8
- 229910001845 yogo sapphire Inorganic materials 0.000 claims description 8
- 150000001768 cations Chemical group 0.000 claims description 7
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 claims description 7
- 239000004094 surface-active agent Substances 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 230000035699 permeability Effects 0.000 abstract description 7
- 229920001343 polytetrafluoroethylene Polymers 0.000 abstract description 6
- 239000004810 polytetrafluoroethylene Substances 0.000 abstract description 6
- 239000000839 emulsion Substances 0.000 abstract description 4
- 150000001875 compounds Chemical class 0.000 abstract description 3
- 239000000706 filtrate Substances 0.000 abstract description 2
- 230000008595 infiltration Effects 0.000 abstract description 2
- 238000001764 infiltration Methods 0.000 abstract description 2
- 238000004513 sizing Methods 0.000 abstract description 2
- 239000007789 gas Substances 0.000 description 11
- 239000004615 ingredient Substances 0.000 description 7
- 239000012535 impurity Substances 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 239000000047 product Substances 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 230000008901 benefit Effects 0.000 description 4
- 239000000835 fiber Substances 0.000 description 4
- 238000005265 energy consumption Methods 0.000 description 3
- VDGJOQCBCPGFFD-UHFFFAOYSA-N oxygen(2-) silicon(4+) titanium(4+) Chemical compound [Si+4].[O-2].[O-2].[Ti+4] VDGJOQCBCPGFFD-UHFFFAOYSA-N 0.000 description 3
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 2
- 230000000052 comparative effect Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000003912 environmental pollution Methods 0.000 description 2
- 239000003500 flue dust Substances 0.000 description 2
- -1 metallurgy Substances 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 229920000297 Rayon Polymers 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 125000002091 cationic group Chemical group 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- WOWHHFRSBJGXCM-UHFFFAOYSA-M cetyltrimethylammonium chloride Chemical group [Cl-].CCCCCCCCCCCCCCCC[N+](C)(C)C WOWHHFRSBJGXCM-UHFFFAOYSA-M 0.000 description 1
- 238000003889 chemical engineering Methods 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 239000002075 main ingredient Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011368 organic material Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000007634 remodeling Methods 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 238000007665 sagging Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 239000002562 thickening agent Substances 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0001—Making filtering elements
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Cosmetics (AREA)
Abstract
A kind of flue gas ash removal filtering material final finishing size and preparation method thereof, belongs to flue gas ash removal filtrate technical field.It is characterized in that, mass percentage composition are as follows: acid and alkali-resistance B-2 lotion 10% ~ 30% that solid content is 48%, fumed silica nano material 0.5% ~ 2%, cationic surfactant 2.5% ~ 3%, surplus are water.First water and fumed silica nano material are uniformly mixed, then puts into cationic surfactant into mixed solution and is uniformly mixed, adds acid and alkali-resistance B-2 lotion stirring and dissolving to obtain the final product.The present invention provides a kind of with low cost, floride-free compound, high filtering precision, highly-breathable filtering material final finishing infiltration film size, overcome the disadvantages of existing filtering material after-finishing sizing agent relies on for a long time using PTFE emulsion, causes excessively high production cost, poor air permeability.
Description
Technical field
A kind of flue gas ash removal filtering material final finishing size and preparation method thereof belongs to flue gas ash removal filtrate technology neck
Domain.
Background technique
Heavy chemical industry (electric power, building materials, metallurgy, chemical industry etc.) industry of the China based on resource, energy consumption in recent years is fast
Speed development, China has become the first in the world big steel, cement, coal, experimental branch line state, the second largest electric power, non-ferrous metal, chemical fertilizer
Producing country.Serious problem of environmental pollution is brought with it, since the environmental pollutions bring economy such as empty gas and water and industry is damaged
It loses every year up to 100,000,000,000 RMB or more, the 2.2%(2004 GDP that the investment that China is used for environmental protection during "the 10th five-years" reaches GDP is
13.65 trillion RMB).For weight chemical engineering industry atmosphere pollution using high-temperature flue gas as main feature, flue dust class particulate matter is main control
One of object.As control total quantity regulation, the discharge value that country formulates all kinds of boilers, the stove of industrial circle is repaired successively
It orders, being strict with reduces discharge amount.As high-temperature flue gas discharged particle (flue dust) control technology by fast transition to bag
Based on formula dedusting technology.Because existing filtering material gas permeability is lower, cause equipment energy consumption higher；The specific area of filtering material
It is unable to reach biggish requirement, so that filtering accuracy is also unable to satisfy present environment filtration requirement.Simultaneously because production cost
Higher, PTFE emulsion raw material supply currently on the market is nervous, at high price.
Summary of the invention
The technical problem to be solved by the present invention is overcoming the deficiencies of the prior art and provide a kind of not fluoride, no dirt
Dye, low cost, flue gas ash removal filtering material final finishing size of air penetrability with higher and preparation method thereof.
The technical solution adopted by the present invention to solve the technical problems is: flue gas ash removal filtering material final finishing infiltration
Agent, which is characterized in that mass percentage composition are as follows: solid content be 48% acid and alkali-resistance B-2 lotion 10% ~ 30%, fumed silica
Nano material 0.5% ~ 2%, cationic surfactant 2.5% ~ 3%, surplus are water.
The present invention provides a kind of with low cost, floride-free compound, high filtering precision, highly-breathable filtering material final finishing use
Film size is seeped, existing filtering material after-finishing sizing agent is overcome and is relied on for a long time using PTFE emulsion, cause production cost mistake
The disadvantages of height, poor air permeability.
Described, mass percentage composition are as follows: acid and alkali-resistance B-2 lotion 16% ~ 22%, gas phase titanium dioxide of the solid content for 48%
Silicon nano material 1% ~ 1.3%, cationic surfactant 2.7% ~ 2.8%, surplus are water.The filtering accuracy being preferably formulated is more
Height, gas permeability are more preferable.
Described, 180 m of specific surface area of the fumed silica nano material2/g ~220m2/ g, pH value 4.2,
0.05 wt% of bulk density 48.9g/l ~ 51.3 g/l, 325 mesh screen residue <.Preferred fumed silica nano material uses
The filtering accuracy of product is higher afterwards, and gas permeability is more preferable.
Described, SiO in the fumed silica nano material2Content >=99.8wt%, Al2O3Content < 0.05
Wt %, Fe2O 3Content < 0.003 wt %, TiO20.03 wt % of content <.Preferred fumed silica nano material uses
The filtering accuracy of product is higher afterwards, and gas permeability is more preferable.
Described, the fumed silica nano material is fumed silica K200.Fumed silica K200
Meet the physical and chemical performance requirement of preferred fumed silica nano material.
Described, the cationic surfactant is cationic surfactant 1631.Preferred cationic surface
Activating agent is higher using the filtering accuracy of rear product, and gas permeability is more preferable.
A kind of preparation method of above-mentioned flue gas ash removal filtering material final finishing size, it is characterised in that: first by water
It is uniformly mixed with fumed silica nano material, then puts into cationic surfactant into mixed solution and be stirred
Uniformly, add acid and alkali-resistance B-2 lotion stirring and dissolving to obtain the final product.
The present invention solves that PTFE emulsion raw material supply is nervous by providing a kind of size, problem at high price, drop
Low production cost；A kind of highly-breathable filtering material is provided simultaneously, reduces equipment energy consumption；A kind of mistake that specific area is big is provided simultaneously
Filter material material improves filtering accuracy.A kind of flue gas ash removal filtering material final finishing size and preparation method thereof, the flue gas are provided
Dust removal and filtration material final finishing size has not fluoride, pollution-free, low cost, air penetrability with higher.
Fumed silica K200 is Japan of South Korea DCC Chemical Manufacture；Acid and alkali-resistance B-2 lotion is the easy environmental protection science and technology in Mount Huang
Co., Ltd's production；Cationic surfactant is cationic surfactant 1631, and cationic surfactant 1631 is main
Ingredient is hexadecyltrimethylammonium chloride, heat-resisting, fast light, resistance to strong acid, highly basic, have good surface-active, stability and
Biological degradability.Preferably Shandong Boxing Hao Long Chemical Co., Ltd. produces.
Compared with prior art, possessed beneficial effect of the invention is: piercing through needle made by size of the present invention
Filter felt has following feature performance benefit:
1, floride-free compound: main component in formula: adding fumed silica in formula, substitutes polytetrafluoroethylene (PTFE) dosage, gas phase
Silica has thickener, and anti-precipitating, resist sagging improve the suspension and dispersibility of solution；Advantage: reducing cost, seeps film
Uniformly, pollution-free, meet the standard in European Union and the U.S.；
2, highly-breathable: main component in formula: being added fumed silica in formula, after high temperature is dried；It quickly forms
It is adhered in filtering material fiber gap, forms smaller pore size filter, do not block aperture, make gap structure more evenly；Advantage:
Air penetrability is high, reduces client's energy loss；
3, high caking property: main component in formula: being added acid and alkali-resistance B-2 lotion in formula, mixed solution has high film forming
Property,；After high temperature is dried, viscose fibre and formation mocromembrane；Advantage: being not easily disconnected from fiber, improves service life；
4, high flexibility: mainly work ingredient in formula: cationic surfactant is cationic surfactant 1631, addition
Increase the flexibility of fiber afterwards；
5, size is readily suspended and dispersed: fumed silica granularity is small, by with after acid and alkali-resistance solution therewith, surface
Product increases, and by filtering material aperture can be made to become finer and close, increases the leakproofness and barrier properties of product；
6, large specific surface area, improve filtering accuracy: the filtering material large specific surface area of production, the more meso-hole structures in surface are filtering
The coated one layer of organic and organic material of material surface forms network structure and superpower filtering accuracy on filtering material surface.
Specific embodiment
The present invention will be further described combined with specific embodiments below, and wherein embodiment 1 is best implements.
Embodiment 1
By mass percentage form: solid content be 48% acid and alkali-resistance B-2 lotion 19%, fumed silica nano material 1.2%,
Cationic surfactant 1,631 2.7%, surplus are water ingredient；Wherein, fumed silica nano material is gas phase titanium dioxide
Silicon K200,200 m of specific surface area2/ g, pH value 4.2,50 g/l of bulk density, 325 mesh screen residue, 0.01 wt%, fumed silica
SiO in nano material2Content 99.93wt%, Al2O3Content 0.04wt %, Fe2O3Content 0.002 wt%, TiO20.02 wt of content
% and surplus impurity；
First water and fumed silica nano material are uniformly mixed, then put into cation surface activating into mixed solution
Agent is uniformly mixed, and adds acid and alkali-resistance B-2 lotion stirring and dissolving to obtain the final product.
Embodiment 2
By mass percentage form: solid content be 48% acid and alkali-resistance B-2 lotion 16%, fumed silica nano material 1.3%,
Cationic surfactant 1,631 2.7%, surplus are water ingredient；Wherein, fumed silica nano material is gas phase titanium dioxide
Silicon K200, specific surface area 190m2/ g, pH value 4.2, bulk density 49.3g/l, 325 mesh screen residue 0.02wt%, fumed silica
SiO in nano material2Content 99.9wt%, Al2O3Content 0.04 wt%, Fe2O3Content 0.002wt %, TiO20.02 wt of content
% and surplus impurity；
First water and fumed silica nano material are uniformly mixed, then put into cation surface activating into mixed solution
Agent is uniformly mixed, and adds acid and alkali-resistance B-2 lotion stirring and dissolving to obtain the final product.
Embodiment 3
By mass percentage form: solid content be 48% acid and alkali-resistance B-2 lotion 22%, fumed silica nano material 1%, sun
Ionic surface active agent 1,631 2.8%, surplus are water ingredient；Wherein, fumed silica nano material is fumed silica
K200, specific surface area 210m2/ g, pH value 4.2,50.2 g/l of bulk density, 325 mesh screen residue, 0.03 wt%, fumed silica
SiO in nano material2Content 99.87wt%, Al2O3Content 0.045wt %, Fe2O3Content 0.0023 wt %, TiO2Content
0.013 wt % and surplus impurity；
First water and fumed silica nano material are uniformly mixed, then put into cation surface activating into mixed solution
Agent is uniformly mixed, and adds acid and alkali-resistance B-2 lotion stirring and dissolving to obtain the final product.
Embodiment 4
By mass percentage form: solid content be 48% acid and alkali-resistance B-2 lotion 10%, fumed silica nano material 2%, sun
Ionic surface active agent 1,631 2.5%, surplus are water ingredient；Wherein, fumed silica nano material is fumed silica
K200,180 m of specific surface area2/ g, pH value 4.2, bulk density 48.9g/l, 325 mesh screen residue 0.01wt%, fumed silica are received
SiO in rice material2Content 99.83wt%, Al2O3Content 0.045 wt %, Fe2O3Content 0.0013 wt %, TiO2Content 0.022
Wt % and surplus impurity；
First water and fumed silica nano material are uniformly mixed, then put into cation surface activating into mixed solution
Agent is uniformly mixed, and adds acid and alkali-resistance B-2 lotion stirring and dissolving to obtain the final product.
Embodiment 5
By mass percentage form: solid content be 48% acid and alkali-resistance B-2 lotion 30%, fumed silica nano material 0.5%,
Cationic surfactant 1,631 3%, surplus are water ingredient；Wherein, fumed silica nano material is fumed silica
K200, specific surface area 220m2/ g, pH value 4.2,51.3 g/l of bulk density, 325 mesh screen residue, 0.046 wt%, fumed silica
SiO in nano material2Content 99.8wt%, Al2O3Content 0.025 wt %, Fe2O3Content 0.0023 wt %, TiO2Content
0.012 wt % and surplus impurity；
First water and fumed silica nano material are uniformly mixed, then put into cation surface activating into mixed solution
Agent is uniformly mixed, and adds acid and alkali-resistance B-2 lotion stirring and dissolving to obtain the final product.
Comparative example 1
By mass percentage form: solid content be 48% acid and alkali-resistance B-2 lotion 10%, fumed silica nano material 12%,
Cationic surfactant 1,631 2.7%, surplus are water ingredient；Wherein, fumed silica nano material is gas phase titanium dioxide
Silicon K200,200 m of specific surface area2/ g, pH value 4.2,50 g/l of bulk density, 325 mesh screen residue, 0.01 wt%, fumed silica
SiO in nano material2Content 99.93wt%, Al2O3Content 0.04wt %, Fe2O3Content 0.002 wt%, TiO20.02 wt of content
% and surplus impurity；
First water and fumed silica nano material are uniformly mixed, then put into cation surface activating into mixed solution
Agent is uniformly mixed, and adds acid and alkali-resistance B-2 lotion stirring and dissolving to obtain the final product.
The performance test results of the table 1 through needled filtering felt made of size obtained by embodiment and comparative example
。
The above described is only a preferred embodiment of the present invention, being not that the invention has other forms of limitations, appoint
What those skilled in the art changed or be modified as possibly also with the technology contents of the disclosure above equivalent variations etc.
Imitate embodiment.But without departing from the technical solutions of the present invention, according to the technical essence of the invention to above embodiments institute
Any simple modification, equivalent variations and the remodeling made, still fall within the protection scope of technical solution of the present invention.
Claims (7)
1. a kind of flue gas ash removal filtering material final finishing size, which is characterized in that mass percentage composition are as follows: solid content is
48% acid and alkali-resistance B-2 lotion 10% ~ 30%, fumed silica nano material 0.5% ~ 2%, cationic surfactant 2.5% ~
3%, surplus is water.
2. a kind of flue gas ash removal filtering material final finishing size according to claim 1, it is characterised in that: quality hundred
Point than composition are as follows: solid content be 48% acid and alkali-resistance B-2 lotion 16% ~ 22%, fumed silica nano material 1% ~ 1.3%, sun
Ionic surface active agent 2.7% ~ 2.8%, surplus are water.
3. a kind of flue gas ash removal filtering material final finishing size according to claim 1 or 2, it is characterised in that: institute
180 m of specific surface area for the fumed silica nano material stated2/g~220m2/ g, pH value 4.2, bulk density 48.9g/l ~
0.05 wt% of 51.3 g/l, 325 mesh screen residue <.
4. a kind of flue gas ash removal filtering material final finishing size according to claim 1 or 2, it is characterised in that: institute
SiO in the fumed silica nano material stated2Content >=99.8wt %, Al2O3Content < 0.05 wt %, Fe2O3Content <
0.003 wt %, TiO20.03 wt % of content <.
5. a kind of flue gas ash removal filtering material final finishing size according to claim 1 or 2, it is characterised in that: institute
The fumed silica nano material stated is fumed silica K200.
6. a kind of flue gas ash removal filtering material final finishing size according to claim 1 or 2, it is characterised in that: institute
The cationic surfactant stated is cationic surfactant 1631.
7. a kind of preparation method of the described in any item flue gas ash removal filtering material final finishing sizes of claim 1 ~ 6,
It is characterized in that: first water and fumed silica nano material being uniformly mixed, then put into cation form into mixed solution
Face activating agent is uniformly mixed, and adds acid and alkali-resistance B-2 lotion stirring and dissolving to obtain the final product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811216907.6A CN109224632A (en) | 2018-10-18 | 2018-10-18 | A kind of flue gas ash removal filtering material final finishing size and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811216907.6A CN109224632A (en) | 2018-10-18 | 2018-10-18 | A kind of flue gas ash removal filtering material final finishing size and preparation method thereof |
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| Publication Number | Publication Date |
|---|---|
| CN109224632A true CN109224632A (en) | 2019-01-18 |
Family
ID=65053931
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|---|---|---|---|
| CN201811216907.6A Pending CN109224632A (en) | 2018-10-18 | 2018-10-18 | A kind of flue gas ash removal filtering material final finishing size and preparation method thereof |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1579126A (en) * | 1967-07-20 | 1969-08-22 | ||
| US3672924A (en) * | 1967-07-20 | 1972-06-27 | Fmc Corp | Thermally stable air filter gels |
| CN102910841A (en) * | 2012-11-23 | 2013-02-06 | 湖北菲利华石英玻璃股份有限公司 | Quartz glass fiber reinforced textile size |
| CN104927307A (en) * | 2015-06-30 | 2015-09-23 | 四川航天五源复合材料有限公司 | Preparation method of nano modified soaking agent used for basalt fiber |
-
2018
- 2018-10-18 CN CN201811216907.6A patent/CN109224632A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1579126A (en) * | 1967-07-20 | 1969-08-22 | ||
| US3672924A (en) * | 1967-07-20 | 1972-06-27 | Fmc Corp | Thermally stable air filter gels |
| CN102910841A (en) * | 2012-11-23 | 2013-02-06 | 湖北菲利华石英玻璃股份有限公司 | Quartz glass fiber reinforced textile size |
| CN104927307A (en) * | 2015-06-30 | 2015-09-23 | 四川航天五源复合材料有限公司 | Preparation method of nano modified soaking agent used for basalt fiber |
Non-Patent Citations (1)
| Title |
|---|
| 雷燕主编: "《实用化工材料手册 合成材料及其助剂》", 31 May 1994 * |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190118 |
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| RJ01 | Rejection of invention patent application after publication |