CN105833734A - Processing method for heat-resistant air filtration film - Google Patents

Processing method for heat-resistant air filtration film Download PDF

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Publication number
CN105833734A
CN105833734A CN201610295780.6A CN201610295780A CN105833734A CN 105833734 A CN105833734 A CN 105833734A CN 201610295780 A CN201610295780 A CN 201610295780A CN 105833734 A CN105833734 A CN 105833734A
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China
Prior art keywords
weight portion
filter membrane
processing method
plating layer
film
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Withdrawn
Application number
CN201610295780.6A
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Chinese (zh)
Inventor
金运掌
董玉德
杨乾
叶飞
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Shure Environmental Technology Hefei Co Ltd
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Shure Environmental Technology Hefei Co Ltd
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Priority to CN201610295780.6A priority Critical patent/CN105833734A/en
Publication of CN105833734A publication Critical patent/CN105833734A/en
Withdrawn legal-status Critical Current

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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D67/00Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0002Organic membrane manufacture
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D67/00Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0002Organic membrane manufacture
    • B01D67/0037Organic membrane manufacture by deposition from the gaseous phase, e.g. CVD, PVD
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D67/00Processes specially adapted for manufacturing semi-permeable membranes for separation processes or apparatus
    • B01D67/0081After-treatment of organic or inorganic membranes
    • B01D67/0083Thermal after-treatment
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D69/00Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/02Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor characterised by their properties
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D69/00Semi-permeable membranes for separation processes or apparatus characterised by their form, structure or properties; Manufacturing processes specially adapted therefor
    • B01D69/12Composite membranes; Ultra-thin membranes
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D71/00Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06Organic material
    • B01D71/08Polysaccharides
    • B01D71/12Cellulose derivatives
    • B01D71/14Esters of organic acids
    • B01D71/16Cellulose acetate
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D71/00Semi-permeable membranes for separation processes or apparatus characterised by the material; Manufacturing processes specially adapted therefor
    • B01D71/06Organic material
    • B01D71/46Epoxy resins
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2325/00Details relating to properties of membranes
    • B01D2325/22Thermal or heat-resistance properties

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Physical Vapour Deposition (AREA)
  • Filtering Materials (AREA)

Abstract

The invention discloses a processing method for a heat-resistant air filtration film. The heat-resistant air filtration film is prepared from, by weight, 8-12 parts of an organic antifungal agent, 8-12 parts of a polymer, 0.5-0.8 part of an organic additive, 70-100 parts of solvent, 5-8 parts of acetate fiber and 10-13 parts of epoxy resin. The materials are mixed and treated thermally to obtain the heat-resistant air filtration film, and the heat-resistant air filtration film prepared through the method is high in heat resistance.

Description

A kind of processing method of heat resistant type air-filtering membrane
Technical field
The present invention relates to air purification field, particularly to the processing method of a kind of heat resistant type air-filtering membrane.
Background technology
Gas filtration film is typically all the filter paper of cloth-like, is fabricated to bellows, folding, rolling according to different applied field credit unions Deng filtration filter material.Existing gas filtration membrane filtration layer material mainly has: polypropylene (PP), polytetrafluoroethylene (PTFE), poly-second Alkene (PE), Kynoar (PVDF) etc., gas filtration film mainly has base material and filter course to be composited, conventional combination process Being that PUR is bonding, its base material is mainly by materials such as polypropylene (PP), polyethylene terephthalate (PET), polyethylene (PE) The non-woven fabrics made.
Summary of the invention
The technical problem to be solved is to provide the processing method of a kind of heat resistant type air-filtering membrane, filter effect Getting well and low cost, technological process is simple, to solve the above-mentioned multinomial defect caused in prior art.
For achieving the above object, the present invention provides following technical scheme: the processing side of a kind of heat resistant type air-filtering membrane Method, comprises the following steps:
(1) following material is got out by weight: the organic antibacterial agent of 8-12 weight portion, the polymer of 8-12 weight portion, 0.5- The organic additive of 0.8 weight portion, the solvent of 70-100 mass parts, the acetate fiber of 5-8 weight portion and 10-13 weight portion Epoxy resin;Described polymer includes one or more of polyethylene, polypropylene or nylon;Described solvent is water, second Alcohol, the one of dichloromethane;Described additive is dodecyl sodium sulfate.
(2) organic antibacterial agent, polymer, organic additive are mixed in a solvent, then at the environment of 50-60 degree Celsius Lower standing 18-20 hour;
(3) mixture that step (2) obtains is again stirring for mixing, in the environment of 50-60 degree Celsius, stands 1-2 hour;
(4) epoxy resin of full weight portion stretches, and widens, and smooth makes epoxy resin thin film;
(5) mixture step (3) obtained mixes with the cellulose acetate of full weight portion;
(6) mixture that step (5) obtains is coated on the resin film that step (4) obtains uniformly, filter membrane is put into In physical vapour deposition (PVD) stove, carry out reaction magnetocontrol sputtering under vacuum and obtain film plating layer filter membrane;
(7) the thin filter membrane after step (6) being completed carries out heat treatment, and the temperature of heat treatment is 400--500 DEG C, heat treatment Time is 3--6h;
(8) thin film after step (7) being completed stands in being positioned over the environment of 80-90 degree Celsius and solidifies for 8-10 hour;
(9) it is down to after solidification obtain filter membrane after room temperature stands secondary solidification in 24 hours.
Preferably, aluminium foil is fitted in filter membrane surface by described conducting resinl.
Preferably, the coating process condition of described film plating layer is: medium frequency magnetron sputtering titanium target, source current 0.5--10A, Bias 20--80V, dutycycle 40%--80%, argon flow velocity 50--100SCCM, oxygen gas flow rate 100--300SCCM, time 10-- 50min, the coating process condition of nano-silver layer can be: medium frequency magnetron sputtering silver target, source current 0.5--2A, biases 20-- 80V, dutycycle 40%--80%, argon flow velocity 50--150SCCM, time 2--10min.
Preferably, its structure of described film plating layer composition by the most once for bottom be nano titanium oxide film plating layer, Middle one layer of silver layer and the superiors' nano titanium oxide film plating layer.
The processing method low cost of heat resistant type air-filtering membrane of the present invention, selected raw material is easy to get;Good filtration effect and Low cost, technological process is simple, easy to make;Use environmentally friendly solvent and additive, for green product, and keep higher film to lead to Amount and rejection, filtering accuracy is high, and after filtration, water quality is good;Heat resistance is good, can be used in 300 DEG C of interior filtration links.
Detailed description of the invention
The preferred embodiment of the present invention is described below.
Embodiment 1:
The processing method of a kind of heat resistant type air-filtering membrane, comprises the following steps:
(1) following material is got out by weight: the organic antibacterial agent of 8 weight portions, the polymer of 8 weight portions, 0.5 weight portion Organic additive, the solvent of 70 mass parts, the acetate fiber of 5 weight portions and the epoxy resin of 10 weight portions;Described polymerization Thing includes one or more of polyethylene, polypropylene or nylon;Described solvent is the one of water, ethanol, dichloromethane;Institute The additive stated is dodecyl sodium sulfate.
(2) organic antibacterial agent, polymer, organic additive are mixed in a solvent, then at the environment of 50-60 degree Celsius Lower standing 18-20 hour;
(3) mixture that step (2) obtains is again stirring for mixing, in the environment of 50-60 degree Celsius, stands 1-2 hour;
(4) epoxy resin of full weight portion stretches, and widens, and smooth makes epoxy resin thin film;
(5) mixture step (3) obtained mixes with the cellulose acetate of full weight portion;
(6) mixture that step (5) obtains is coated on the resin film that step (4) obtains uniformly, filter membrane is put into In physical vapour deposition (PVD) stove, carry out reaction magnetocontrol sputtering under vacuum and obtain film plating layer filter membrane;
(7) the thin filter membrane after step (6) being completed carries out heat treatment, and the temperature of heat treatment is 400--500 DEG C, heat treatment Time is 3--6h;
(8) thin film after step (7) being completed stands in being positioned over the environment of 80-90 degree Celsius and solidifies for 8-10 hour;
(9) it is down to after solidification obtain filter membrane after room temperature stands secondary solidification in 24 hours.
Aluminium foil is fitted in filter membrane surface by filter membrane again that prepared by above-mentioned steps with conducting resinl.
In the present invention, the coating process condition of film plating layer is: medium frequency magnetron sputtering titanium target, source current 0.5--10A, bias 20--80V, dutycycle 40%--80%, argon flow velocity 50--100SCCM, oxygen gas flow rate 100--300SCCM, time 10-- 50min, the coating process condition of nano-silver layer can be: medium frequency magnetron sputtering silver target, source current 0.5--2A, biases 20-- 80V, dutycycle 40%--80%, argon flow velocity 50--150SCCM, time 2--10min.
In order to further strengthen the heat resistant type of this filter membrane, its structure of film plating layer relates to into by being the most once the end Layer is nano titanium oxide film plating layer, middle one layer of silver layer and the superiors' nano titanium oxide film plating layer.
Embodiment 2
The processing method of a kind of heat resistant type air-filtering membrane, comprises the following steps:
(1) following material is got out by weight: the organic antibacterial agent of 10 weight portions, the polymer of 10 weight portions, 0.6 weight The organic additive of part, the solvent of 80 mass parts, the acetate fiber of 6 weight portions and the epoxy resin of 12 weight portions;Described is poly- Compound includes one or more of polyethylene, polypropylene or nylon;Described solvent is the one of water, ethanol, dichloromethane; Described additive is dodecyl sodium sulfate.
(2) organic antibacterial agent, polymer, organic additive are mixed in a solvent, then at the environment of 50-60 degree Celsius Lower standing 18-20 hour;
(3) mixture that step (2) obtains is again stirring for mixing, in the environment of 50-60 degree Celsius, stands 1-2 hour;
(4) epoxy resin of full weight portion stretches, and widens, and smooth makes epoxy resin thin film;
(5) mixture step (3) obtained mixes with the cellulose acetate of full weight portion;
(6) mixture that step (5) obtains is coated on the resin film that step (4) obtains uniformly, filter membrane is put into In physical vapour deposition (PVD) stove, carry out reaction magnetocontrol sputtering under vacuum and obtain film plating layer filter membrane;
(7) the thin filter membrane after step (6) being completed carries out heat treatment, and the temperature of heat treatment is 400--500 DEG C, heat treatment Time is 3--6h;
(8) thin film after step (7) being completed stands in being positioned over the environment of 80-90 degree Celsius and solidifies for 8-10 hour;
(9) it is down to after solidification obtain filter membrane after room temperature stands secondary solidification in 24 hours.
Aluminium foil is fitted in filter membrane surface by filter membrane again that prepared by above-mentioned steps with conducting resinl.
In the present invention, the coating process condition of film plating layer is: medium frequency magnetron sputtering titanium target, source current 0.5--10A, bias 20--80V, dutycycle 40%--80%, argon flow velocity 50--100SCCM, oxygen gas flow rate 100--300SCCM, time 10-- 50min, the coating process condition of nano-silver layer can be: medium frequency magnetron sputtering silver target, source current 0.5--2A, biases 20-- 80V, dutycycle 40%--80%, argon flow velocity 50--150SCCM, time 2--10min.
In order to further strengthen the heat resistant type of this filter membrane, its structure of film plating layer relates to into by being the most once the end Layer is nano titanium oxide film plating layer, middle one layer of silver layer and the superiors' nano titanium oxide film plating layer.
Embodiment 3
The processing method of a kind of heat resistant type air-filtering membrane, comprises the following steps:
(1) following material is got out by weight: the organic antibacterial agent of 12 weight portions, the polymer of 12 weight portions, 0.8 weight The organic additive of part, the solvent of 100 mass parts, the acetate fiber of 8 weight portions and the epoxy resin of 13 weight portions;Described Polymer includes one or more of polyethylene, polypropylene or nylon;Described solvent be water, ethanol, the one of dichloromethane Kind;Described additive is dodecyl sodium sulfate.
(2) organic antibacterial agent, polymer, organic additive are mixed in a solvent, then at the environment of 50-60 degree Celsius Lower standing 18-20 hour;
(3) mixture that step (2) obtains is again stirring for mixing, in the environment of 50-60 degree Celsius, stands 1-2 hour;
(4) epoxy resin of full weight portion stretches, and widens, and smooth makes epoxy resin thin film;
(5) mixture step (3) obtained mixes with the cellulose acetate of full weight portion;
(6) mixture that step (5) obtains is coated on the resin film that step (4) obtains uniformly, filter membrane is put into In physical vapour deposition (PVD) stove, carry out reaction magnetocontrol sputtering under vacuum and obtain film plating layer filter membrane;
(7) the thin filter membrane after step (6) being completed carries out heat treatment, and the temperature of heat treatment is 400--500 DEG C, heat treatment Time is 3--6h;
(8) thin film after step (7) being completed stands in being positioned over the environment of 80-90 degree Celsius and solidifies for 8-10 hour;
(9) it is down to after solidification obtain filter membrane after room temperature stands secondary solidification in 24 hours.
Aluminium foil is fitted in filter membrane surface by filter membrane again that prepared by above-mentioned steps with conducting resinl.
In the present invention, the coating process condition of film plating layer is: medium frequency magnetron sputtering titanium target, source current 0.5--10A, bias 20--80V, dutycycle 40%--80%, argon flow velocity 50--100SCCM, oxygen gas flow rate 100--300SCCM, time 10-- 50min, the coating process condition of nano-silver layer can be: medium frequency magnetron sputtering silver target, source current 0.5--2A, biases 20-- 80V, dutycycle 40%--80%, argon flow velocity 50--150SCCM, time 2--10min.
In order to further strengthen the heat resistant type of this filter membrane, its structure of film plating layer relates to into by being the most once the end Layer is nano titanium oxide film plating layer, middle one layer of silver layer and the superiors' nano titanium oxide film plating layer.
The processing method low cost of heat resistant type air-filtering membrane of the present invention, selected raw material is easy to get;Good filtration effect and Low cost, technological process is simple, easy to make;Use environmentally friendly solvent and additive, for green product, and keep higher film to lead to Amount and rejection, filtering accuracy is high, and after filtration, water quality is good;Heat resistance is good, can be used in 300 DEG C of interior filtration links.
Above-described is only the preferred embodiment of the present invention, it is noted that for those of ordinary skill in the art For, without departing from the concept of the premise of the invention, it is also possible to make some deformation and improvement, these broadly fall into the present invention Protection domain.

Claims (4)

1. the processing method of a heat resistant type air-filtering membrane, it is characterised in that comprise the following steps:
(1) following material is got out by weight: the organic antibacterial agent of 8-12 weight portion, the polymer of 8-12 weight portion, 0.5- The organic additive of 0.8 weight portion, the solvent of 70-100 mass parts, the acetate fiber of 5-8 weight portion and 10-13 weight portion Epoxy resin;Described polymer includes one or more of polyethylene, polypropylene or nylon;Described solvent is water, second Alcohol, the one of dichloromethane;Described additive is dodecyl sodium sulfate;
(2) organic antibacterial agent, polymer, organic additive are mixed in a solvent, then quiet in the environment of 50-60 degree Celsius Put 18-20 hour;
(3) mixture that step (2) obtains is again stirring for mixing, in the environment of 50-60 degree Celsius, stands 1-2 hour;
(4) epoxy resin of full weight portion stretches, and widens, and smooth makes epoxy resin thin film;
(5) mixture step (3) obtained mixes with the cellulose acetate of full weight portion;
(6) mixture that step (5) obtains is coated on the resin film that step (4) obtains uniformly, filter membrane is put into In physical vapour deposition (PVD) stove, carry out reaction magnetocontrol sputtering under vacuum and obtain film plating layer filter membrane;
(7) the thin filter membrane after step (6) being completed carries out heat treatment, and the temperature of heat treatment is 400--500 DEG C, heat treatment Time is 3--6h;
(8) thin film after step (7) being completed stands in being positioned over the environment of 80-90 degree Celsius and solidifies for 8-10 hour;
(9) it is down to after solidification obtain filter membrane after room temperature stands secondary solidification in 24 hours.
The processing method of air-filtering membrane the most according to claim 1, it is characterised in that aluminium foil is pasted by described conducting resinl It is combined in filter membrane surface.
The processing method of air-filtering membrane the most according to claim 1 and 2, it is characterised in that the plated film of described film plating layer Process conditions are: medium frequency magnetron sputtering titanium target, source current 0.5--10A, bias 20--80V, dutycycle 40%--80%, argon Flow velocity 50--100SCCM, oxygen gas flow rate 100--300SCCM, time 10--50min, the coating process condition of nano-silver layer can For: medium frequency magnetron sputtering silver target, source current 0.5--2A, bias 20--80V, dutycycle 40%--80%, argon flow velocity 50-- 150SCCM, time 2--10min.
The processing method of air-filtering membrane the most according to claim 3, it is characterised in that its structure of described film plating layer forms By being the most once nano titanium oxide film plating layer, middle one layer of silver layer and the superiors' nano titanium oxide plated film for bottom Layer.
CN201610295780.6A 2016-05-06 2016-05-06 Processing method for heat-resistant air filtration film Withdrawn CN105833734A (en)

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Application Number Priority Date Filing Date Title
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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106582124A (en) * 2016-11-25 2017-04-26 浙江绿净环保科技有限公司 Production process for dedusting filter bag
CN107051233A (en) * 2017-06-14 2017-08-18 合肥易美特建材有限公司 A kind of manufacture craft of air-filtering membrane
CN108126526A (en) * 2018-02-08 2018-06-08 苏州甫众塑胶有限公司 A kind of high-temperature resistant and antistatic air-filtering membrane and preparation method thereof
CN113750814A (en) * 2021-08-10 2021-12-07 宁夏佳悦炭业有限公司 Active carbon protection filter membrane

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106582124A (en) * 2016-11-25 2017-04-26 浙江绿净环保科技有限公司 Production process for dedusting filter bag
CN107051233A (en) * 2017-06-14 2017-08-18 合肥易美特建材有限公司 A kind of manufacture craft of air-filtering membrane
CN108126526A (en) * 2018-02-08 2018-06-08 苏州甫众塑胶有限公司 A kind of high-temperature resistant and antistatic air-filtering membrane and preparation method thereof
CN113750814A (en) * 2021-08-10 2021-12-07 宁夏佳悦炭业有限公司 Active carbon protection filter membrane

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