CN104652128B - Surface treating agent for glass fiber filter cloth and preparation method of surface treating agent - Google Patents
Surface treating agent for glass fiber filter cloth and preparation method of surface treating agent Download PDFInfo
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- CN104652128B CN104652128B CN201510115993.1A CN201510115993A CN104652128B CN 104652128 B CN104652128 B CN 104652128B CN 201510115993 A CN201510115993 A CN 201510115993A CN 104652128 B CN104652128 B CN 104652128B
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- fiber filter
- filter cloth
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Abstract
The invention discloses a surface treating agent for glass fiber filter cloth. The surface treating agent comprises the following components in percentage by mass: 1-5% of a water-repellent and oil-resistant agent, 0.5-2% of a high-temperature softening agent, 0.1-0.5% of inorganic pigment, 0.01-0.1% of a fluorocarbon surfactant, 2-5% of an acid-resistant adhesive, 2-10% of PTFE dispersing liquid and the balance of softened water. By using the surface treating agent, not only can the glass fiber filter cloth resist to the corrosion of strong-acid substances such as concentrated sulfuric acid, concentrated hydrochloric acid and hydrofluoric acid, but also the rigid strength, high-temperature resistance and filtering effect of the glass fiber filter cloth can be improved.
Description
Technical field
The present invention relates to glass fiber filter cloth, relate in particular to a kind of surface treatment for glass fiber filter cloth
Agent and preparation method thereof.
Background technology
Glass fiber filter material is high and wide because having the advantages that intensity height, dimensionally stable, high temperature resistant and filter efficiency
General use, but glass fibre also has obvious shortcoming, that is, fiber is brittle, not folding, not wear-resisting, meet acid and be easily corroded, these
Shortcoming has had a strong impact on the service life of glass fiber filter material.
In prior art, generally improve the overall performance of glass fiber filter cloth by surface conditioning agent and extend filtration
The service life of cloth, such as China Patent No. are that the prior art of " 201210276805.x " discloses one on November 14th, 2012
Plant glass fiber filter cloth surface conditioning agent and glass fiber filter cloth process of surface treatment, its technical scheme is at described surface
Reason agent include ptfe dispersion liquid 8 ~ 15%, emulsion-type high-temperature soft agent 5 ~ 10%, inorganic antistatic agent 1 ~ 2%, penetrating agent 0.5 ~ 1%,
Silicon fluoride coupling agent 1 ~ 2%, fluorocarbon surfactant 0.5 ~ 1%, balance of softened water.Surface conditioning agent using the present invention is processed
Afterwards, the glass fiber filter cloth of production solves the problems, such as that prior art decay resistance is poor, air penetrability is bigger than normal, its surface face
Color is homogeneous, flexibility is good, folding number is high, air penetrability is moderate, life of product is long.In actual use, existing filtration
Material is mainly used in the fields such as cement plant, thermal power plant and waste incineration, but because thermal power plant and field of waste incineration all contain
Acidic materials, and use the glass fiber filter cloth that above-mentioned prior art produces can only resist the corrosion of general concentration soda acid, and
The corrosion of the acidic materials such as concentrated sulphuric acid, concentrated hydrochloric acid, Fluohydric acid. can not be resisted, there is resistance to strong acid corrosivity difference and service life is short
Defect.
Content of the invention
It is an object of the invention to solution the above-mentioned problems in the prior art, one kind is provided to be used for glass fiber filter
Surface conditioning agent of cloth and preparation method thereof, the present invention can not only make glass fiber filter cloth opposing concentrated sulphuric acid, concentrated hydrochloric acid, hydrogen fluorine
The corrosion of the acidic materials such as acid is additionally it is possible to improve the rigid of glass fiber filter cloth, heat-resisting quantity and filter effect.
For achieving the above object, the technical solution used in the present invention is as follows:
A kind of surface conditioning agent for glass fiber filter cloth it is characterised in that: include following according to mass percent
The component of meter:
Water repellent oil-proofing agent 1 5%
High-temperature soft agent 0.5 2%
Inorganic pigment 0.1 0.5%
Fluorocarbon surfactant 0.01 0.1%
Anti- acid binder 2 5%
Ptfe dispersion liquid 2 10%
Soften water surplus.
Described water repellent oil-proofing agent is fluorine-containing water repellent oil-proofing agent.
Described anti-acid binder is polyurethane adhesive.
A kind of preparation method of surface conditioning agent it is characterised in that: after getting the raw materials ready according to the above ratio, first inorganic pigment is being stirred
Mix and be distributed in softened water under state, obtain mixed liquor, then add fluorine carbon table again under stirring successively in mixed liquor
Face activating agent, high-temperature soft agent, water repellent oil-proofing agent, anti-acid binder and ptfe dispersion liquid, continue stirring until white, that is, obtain institute
State surface conditioning agent.
Described inorganic pigment is to be added in softened water under 2,800 3200 revs/min of stirring.
Described fluorocarbon surfactant, high-temperature soft agent, water repellent oil-proofing agent, anti-acid binder and ptfe dispersion liquid be all
It is added in mixed liquor under 290 310 revs/min of stirring.
Using it is an advantage of the current invention that:
First, the fluorine-containing water repellent oil-proofing agent in the present invention can stop acidic materials to glass fiber strand to a great extent
Between permeate, it is to avoid acidic materials destroy fiber structure so that the glass fiber filter cloth processing can resist concentrated sulphuric acid,
The corrosion of the acidic materials such as concentrated hydrochloric acid, Fluohydric acid.；Inorganic pigment has an antistatic property, organization material surface static charge buildup,
Avoid filtering material blockage of the micro orifice；Fluorocarbon surfactant can reduce surface treatment agent tension force, enables inorganic agent material
More preferably immersion coating is on glass surface；Anti- acid binder: the binding ability of each component materials and glass surface can be improved；ptfe
Dispersion can be resisted multiple highly corrosive materials behind glass surface and corrode；Softened water can dispersion solvent, make inorganic agent
Each component forms continuous homogeneous phase.And each group to divide specific mass percent be to optimize the knot getting on the basis of long-term experiment
Really, if being less than this proportion, product quality stability will be led to decline, inorganic agent can not be effectively protected glass fibre, make product
The product life-span receives and has a strong impact on；And if above this proportion, then can affect production cost, it is unfavorable for industrialization.
2nd, in the present invention, inorganic pigment is distributed to softened water in advance under 2,800 3200 revs/min of stirring condition
In, fluorocarbon surfactant, high-temperature soft agent, water repellent oil-proofing agent, anti-acid binder and ptfe dispersion liquid all 290 310 turns/
It is added in mixed liquor, for granule this characteristic larger of inorganic pigment, using above-mentioned mixing side under the stirring condition of minute
Formula can make each component uniformly mix, and so that whole components system can be used under uniform state, the matter of prepared surface conditioning agent
Amount more preferably, is conducive to improving the treatment effect of glass fiber filter cloth.
Specific embodiment
Embodiment 1
A kind of surface conditioning agent for glass fiber filter cloth, including the following component according to mass percent:
Water repellent oil-proofing agent 1%
High-temperature soft agent 2%
Inorganic pigment 0.1%
Fluorocarbon surfactant 0.01%
Anti- acid binder 2%
Ptfe dispersion liquid 10%
Soften water surplus.
In the present embodiment, described water repellent oil-proofing agent is the commercially available fluorine-containing water repellent oil-proofing agent of all kinds of trade mark ion-types, described anti-
Acid binder is polyurethaness binding agent, and described high-temperature soft agent is high temperature resistant type silicone softening agent, described inorganic pigment
For commercially available general inorganic pigment, described fluorocarbon surfactant is commercially available conventional fluorocarbon surfactant, and described ptfe divides
Dispersion liquid is polytetrafluoroethyldispersion dispersion.
A kind of preparation method of surface conditioning agent, after getting the raw materials ready according to the above ratio, first by inorganic pigment at 2800 revs/min
Be distributed under stirring in softened water, obtain mixed liquor, then again under 290 revs/min of stirring successively to mixing
Fluorocarbon surfactant, high-temperature soft agent, water repellent oil-proofing agent, anti-acid binder and ptfe dispersion liquid is added in liquid, continuously stirred
To white, that is, obtain described surface conditioning agent.
Glass fiber filter cloth after being processed using the present invention, its overall performance and service life are greatly improved, and here is
Specific experimental data:
Embodiment 2
A kind of surface conditioning agent for glass fiber filter cloth, including the following component according to mass percent:
Water repellent oil-proofing agent 2%
High-temperature soft agent 1%
Inorganic pigment 0.4%
Fluorocarbon surfactant 0.1%
Anti- acid binder 3%
Ptfe dispersion liquid 2%
Soften water surplus.
A kind of preparation method of surface conditioning agent, after getting the raw materials ready according to the above ratio, first by inorganic pigment at 2900 revs/min
Be distributed under stirring in softened water, obtain mixed liquor, then again under 300 revs/min of stirring successively to mixing
Fluorocarbon surfactant, high-temperature soft agent, water repellent oil-proofing agent, anti-acid binder and ptfe dispersion liquid is added in liquid, continuously stirred
To white, that is, obtain described surface conditioning agent.
Glass fiber filter cloth after being processed using the present invention, its overall performance and service life are greatly improved, and here is
Specific experimental data:
Embodiment 3
A kind of surface conditioning agent for glass fiber filter cloth, including the following component according to mass percent:
Water repellent oil-proofing agent 5%
High-temperature soft agent 1.5%
Inorganic pigment 0.3%
Fluorocarbon surfactant 0.07%
Anti- acid binder 5%
Ptfe dispersion liquid 7%
Soften water surplus.
A kind of preparation method of surface conditioning agent, after getting the raw materials ready according to the above ratio, first by inorganic pigment at 3000 revs/min
Be distributed under stirring in softened water, obtain mixed liquor, then again under 300 revs/min of stirring successively to mixing
Fluorocarbon surfactant, high-temperature soft agent, water repellent oil-proofing agent, anti-acid binder and ptfe dispersion liquid is added in liquid, continuously stirred
To white, that is, obtain described surface conditioning agent.
Glass fiber filter cloth after being processed using the present invention, its overall performance and service life are greatly improved, and here is
Specific experimental data:
Embodiment 4
A kind of surface conditioning agent for glass fiber filter cloth, including the following component according to mass percent:
Water repellent oil-proofing agent 4%
High-temperature soft agent 0.5%
Inorganic pigment 0.5%
Fluorocarbon surfactant 0.03%
Anti- acid binder 4%
Ptfe dispersion liquid 5%
Soften water surplus.
A kind of preparation method of surface conditioning agent, after getting the raw materials ready according to the above ratio, first by inorganic pigment at 3100 revs/min
Be distributed under stirring in softened water, obtain mixed liquor, then again under 300 revs/min of stirring successively to mixing
Fluorocarbon surfactant, high-temperature soft agent, water repellent oil-proofing agent, anti-acid binder and ptfe dispersion liquid is added in liquid, continuously stirred
To white, that is, obtain described surface conditioning agent.
Glass fiber filter cloth after being processed using the present invention, its overall performance and service life are greatly improved, and here is
Specific experimental data:
Claims (6)
1. a kind of surface conditioning agent for glass fiber filter cloth it is characterised in that: include following according to mass percent
Component:
Water repellent oil-proofing agent 1 5%
High-temperature soft agent 0.5 2%
Inorganic pigment 0.1 0.5%
Fluorocarbon surfactant 0.01 0.1%
Anti- acid binder 2 5%
Ptfe dispersion liquid 2 10%
Soften water surplus.
2. as claimed in claim 1 a kind of surface conditioning agent for glass fiber filter cloth it is characterised in that: described water repellent
Oil-proofing agent is fluorine-containing water repellent oil-proofing agent.
3. as claimed in claim 1 a kind of surface conditioning agent for glass fiber filter cloth it is characterised in that: described acid-proof
Binding agent is polyurethane adhesive.
4. a kind of method of the surface conditioning agent for glass fiber filter cloth preparing claim 1 it is characterised in that: by power
After profit requires 1 ratio to get the raw materials ready, first inorganic pigment is distributed in softened water under stirring, obtains mixed liquor, Ran Houzai
Add fluorocarbon surfactant, high-temperature soft agent, water repellent oil-proofing agent, anti-acid binder successively in mixed liquor under stirring
With ptfe dispersion liquid, continue stirring until white, that is, obtain described surface conditioning agent.
5. prepare the method for surface conditioning agent as claimed in claim 4 it is characterised in that: described inorganic pigment is 2800
It is added in softened water under 3200 revs/min of stirring.
6. prepare the method for surface conditioning agent as claimed in claim 4 it is characterised in that: described fluorocarbon surfactant, height
Warm softening agent, water repellent oil-proofing agent, anti-acid binder and ptfe dispersion liquid are all to add under 290 310 revs/min of stirring
Enter in mixed liquor.
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| CN201510115993.1A CN104652128B (en) | 2015-03-17 | 2015-03-17 | Surface treating agent for glass fiber filter cloth and preparation method of surface treating agent |
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| CN201510115993.1A CN104652128B (en) | 2015-03-17 | 2015-03-17 | Surface treating agent for glass fiber filter cloth and preparation method of surface treating agent |
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| CN104652128A CN104652128A (en) | 2015-05-27 |
| CN104652128B true CN104652128B (en) | 2017-01-18 |
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| CN108688262A (en) * | 2018-04-22 | 2018-10-23 | 通城县同力玻纤有限公司 | A kind of preparation method of fire resistant belt |
| CN111921280B (en) * | 2020-06-29 | 2022-04-08 | 安徽世倾环保科技有限公司 | Preparation method of filter bag for purifying flue gas of small and medium-sized coal-fired boilers |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP2706971B2 (en) * | 1989-03-27 | 1998-01-28 | 明成化学工業株式会社 | Water- and oil-repellent processing method for polyamide fiber |
| CN102002855B (en) * | 2010-11-12 | 2012-09-26 | 山东新力环保材料有限公司 | Impregnating compound for basalt fiber filter felt |
| CN102275373B (en) * | 2011-04-26 | 2014-08-20 | 中材科技股份有限公司 | Preparation method of PPs (polyphenylene sulfite) composite punched felt membrane filter material |
| CN102776777B (en) * | 2012-08-06 | 2014-05-07 | 四川省玻纤集团有限公司 | Surface treating agent and surface treating process of glass fiber filter cloth |
| CN203281136U (en) * | 2013-03-07 | 2013-11-13 | 武汉金源环保科技工程设备有限公司 | Special high-temperature-resistant oil-proof GJ-1 filter material |
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Address after: No.39 jingle South Road, Luojiang County, Deyang City, Sichuan Province 618500 Patentee after: Sichuan Fiberglass Group Co.,Ltd. Address before: No.39 jingle South Road, Luojiang County, Deyang City, Sichuan Province 618500 Patentee before: SICHUAN FIBERGLASS GROUP Co.,Ltd. |