CN106422525A - Modified PAA/PE (Polyacrylic Acid/Polyethylene) wire-wound filter element and preparation method thereof - Google Patents

Modified PAA/PE (Polyacrylic Acid/Polyethylene) wire-wound filter element and preparation method thereof Download PDF

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Publication number
CN106422525A
CN106422525A CN201610832890.1A CN201610832890A CN106422525A CN 106422525 A CN106422525 A CN 106422525A CN 201610832890 A CN201610832890 A CN 201610832890A CN 106422525 A CN106422525 A CN 106422525A
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Prior art keywords
mixing
consumption
preparation
wire
weight portion
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CN201610832890.1A
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Chinese (zh)
Inventor
胡德华
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Wuhu Chengdelong Filtering Equipment Co Ltd
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Wuhu Chengdelong Filtering Equipment Co Ltd
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Priority to CN201610832890.1A priority Critical patent/CN106422525A/en
Publication of CN106422525A publication Critical patent/CN106422525A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D39/00Filtering material for liquid or gaseous fluids
    • B01D39/14Other self-supporting filtering material ; Other filtering material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2239/00Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/04Additives and treatments of the filtering material
    • B01D2239/0442Antimicrobial, antibacterial, antifungal additives
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B01PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01DSEPARATION
    • B01D2239/00Aspects relating to filtering material for liquid or gaseous fluids
    • B01D2239/10Filtering material manufacturing

Abstract

The invention discloses a modified PAA/PE (Polyacrylic Acid/Polyethylene) wire-wound filter element and a preparation method thereof. The preparation method comprises the following steps of 1), carrying out first mixing on PPA, PE, glycerol monostearate, aluminum powder and water, so that a first mixed substance is made; 2), carrying out second mixing on rosin, hydroxymethyl cellulose, a glass fiber, silica gel, a basic magnesium sulfate whisker, nano silver, sodium tripolyphosphate, tin dimethyl isooctyldimercaptoacetate, zinc borate, sulfur, isoprene rubber and the first mixed substance, so that a second mixed substance is made; 3), carrying out extrusion forming on the second mixed substance, so that a winding wire is made, and then carrying out winding on the winding wire, so that the modified PAA/PE wire-wound filter element is obtained. The modified PAA/PE wire-wound filter element which is made through the method has excellent filtration effect and antibacterial effect; meanwhile, the preparation method is simple in working procedures; raw materials are easily obtained.

Description

Modified PAA/PE Wire-wound filter core and preparation method thereof
Technical field
A kind of the present invention relates to Wire-wound filter core, in particular it relates to modification PAA/PE Wire-wound filter core and preparation method thereof.
Background technology
Filtration core is a kind of filter plant, is the core component of filter.Filtration core is mainly used in following field:Electronics Industry:Reverse osmosis water system pre-filtering, deionized water system pre-filtering;Food industry:Beverage, medicated beer, mineral water etc. filter;Change Learn industry:Organic solvent, ink etc. filter;Medical industry:The filtration of medicine, biology and blood plasma product, compressed air and gas Filter;Other:Electroplate liquid, metalworking fluid, filtration of photosensitive resist agent and magnetic medium etc..
Divide according to manufacturing process, filtration core mainly has PP filter element and two kinds of Wire-wound filter core;Wherein, PP filter element is also referred to as PP Melt-blown filter, melt blown filter core is tangled by polypropylene superfine fiber hot melt and makes, and fiber is randomly formed three-dimensional micropore knot in space Structure, dimension hole aperture flows to distribution gradient along filtrate, integrates surface, deep layer, smart essence filter, and can retain the miscellaneous of different-grain diameter Matter;Filter element accuracy rating 0.5-100 μm, its flux is more than 1.5 times of equal accuracy peak room filter element, meets various project installation Needs.Wire-wound filter core is to be wrapped on stephanoporate framework refined forming by the textile fabric yarn precise with good strainability 's;Its thread material has polypropylene fiber, acrylic fiber, degreasing cotton fiber etc.;Pass through during winding to control the winding elasticity of yarn With dilute density, the filtration core of different accuracy can be made, can effectively remove float, granule foreign of various liquid etc., to each Planting liquid has higher clean-up effect.
Although existing Wire-wound filter core has excellent filter effect, after Wire-wound filter core uses, its surface can be formed Schmutzband, meanwhile, meeting cooperating microorganisms in schmutzband, and then pollution is caused to the liquid filtering, therefore, this phenomenon is very big Limit the development of Wire-wound filter core.
Content of the invention
It is an object of the invention to provide a kind of modification PAA/PE Wire-wound filter core and preparation method thereof, it is obtained by the method Modified PAA/PE Wire-wound filter core has excellent filter effect and antibacterial effect;Meanwhile, this preparation method operation is simple, raw material is easy ?.
To achieve these goals, the invention provides a kind of modification PAA/PE Wire-wound filter core preparation method, including:
1) PAA (polyacrylic acid), PE (polyethylene), glyceryl monostearate, aluminium powder and water are carried out the first mixing to make Obtain the first mixing thing;
2) by Colophonium, hydroxymethyl cellulose, glass fibre, silica gel, alkali magnesium sulfate crystal whisker, nanometer silver, sodium tripolyphosphate, Dimethyl dimercapto 2-ethyl hexyl ethanoate stannum, Firebrake ZB, sulfur, isoprene rubber and the first mixing thing carry out the second mixing to be obtained the Two mixing things;
3) by second mixing thing extrusion molding be obtained coiling, then by coiling carry out coiling with obtain modified PAA/PE line around Filter element.
Present invention also offers a kind of modification PAA/PE Wire-wound filter core, this modified PAA/PE Wire-wound filter core is passed through above-mentioned Preparation method is prepared.
In technique scheme, the concrete operation of preparation method of the present invention is as follows:First, will be hard to PAA, PE, glycerol list Fat acid ester, aluminium powder and water carry out the first mixing, in this mixing process aluminium powder and water carry out metathesis reaction produce bubble and then Make to produce pore in the first prepared mixing thing and then improve its specific surface area;Then, by Colophonium, hydroxymethyl cellulose, glass Fiber, silica gel, alkali magnesium sulfate crystal whisker, nanometer silver, sodium tripolyphosphate, dimethyl dimercapto 2-ethyl hexyl ethanoate stannum, Firebrake ZB, sulfur Sulphur, isoprene rubber and the first mixing thing carry out the second mixing, and then further modification obtains the second mixing to the first mixing thing Thing;Finally, the second mixing thing extrusion molding is obtained coiling, then described coiling is carried out coiling to obtain modified PAA/PE line Around filter element.Finally, show that this modified PAA/PE Wire-wound filter core has excellent filter effect and antibacterial effect by detection;Separately Outward, this preparation method operation is simple, raw material is easy to get and is easy to promote on a large scale.
Other features and advantages of the present invention will be described in detail in subsequent specific embodiment part.
Specific embodiment
Hereinafter the specific embodiment of the present invention is described in detail.It should be appreciated that it is described herein concrete Embodiment is merely to illustrate and explains the present invention, is not limited to the present invention.
The invention provides a kind of preparation method of modification PAA/PE Wire-wound filter core, including:
1) PAA (polyacrylic acid), PE (polyethylene), glyceryl monostearate, aluminium powder and water are carried out the first mixing to make Obtain the first mixing thing;
2) by Colophonium, hydroxymethyl cellulose, glass fibre, silica gel, alkali magnesium sulfate crystal whisker, nanometer silver, sodium tripolyphosphate, Dimethyl dimercapto 2-ethyl hexyl ethanoate stannum, Firebrake ZB, sulfur, isoprene rubber and the first mixing thing carry out the second mixing to be obtained the Two mixing things;
3) by second mixing thing extrusion molding be obtained coiling, then by coiling carry out coiling with obtain modified PAA/PE line around Filter element.
Step 1 in the present invention) in, the first mixing actual conditions can select in wide scope, but in order to be obtained Modified PAA/PE Wire-wound filter core there is more excellent filtration and sterilization, sterilization effect it is preferable that in step 1) in, first Mixing at least meets following condition:Melting temperature is 140-155 DEG C, and mixing time is 2-4h, and mixing pressure is 2-3MPa.
Step 1 in the present invention) in, the molecular weight of PAA, PE can select in wide scope, but in order to be obtained Modified PAA/PE Wire-wound filter core has more excellent filtration and sterilization, sterilization effect it is preferable that in step 1) in, the weight of PAA Average molecular weight is 3000-8000, and the weight average molecular weight of PE is 5000-9000.
Step 1 in the present invention) in, the particle diameter of aluminium powder can select in wide scope, but the modification in order to be obtained PAA/PE Wire-wound filter core has more excellent filtration and sterilization, sterilization effect it is preferable that in step 1) in, the particle diameter of aluminium powder For 1-5mm.
Step 1 in the present invention) in, the consumption of each material can select in wide scope, but for changing of being obtained Property PAA/PE Wire-wound filter core has more excellent filtration and sterilization, sterilization effect it is preferable that in step 1) in, with respect to 100 The consumption of the PAA of weight portion, PE is 75-90 weight portion, and the consumption of glyceryl monostearate is 31-38 weight portion, the use of aluminium powder Measure as 14-19 weight portion, the consumption of water is 22-30 weight portion.
Step 2 in the present invention) in, the consumption of each material can select in wide scope, but for changing of being obtained Property PAA/PE Wire-wound filter core has more excellent filtration and sterilization, sterilization effect it is preferable that in step 2) in, with respect to 100 First mixing thing of weight portion, the consumption of Colophonium is 11-17 weight portion, and the consumption of hydroxymethyl cellulose is 8-14 weight portion, glass The consumption of glass fiber is 21-26 weight portion, and the consumption of silica gel is 18-31 weight portion, and the consumption of alkali magnesium sulfate crystal whisker is 4.5-7 Weight portion, the consumption of nanometer silver is 0.9-1.6 weight portion, and the consumption of sodium tripolyphosphate is 15-22 weight portion, dimethyl dimercapto The consumption of 2-ethyl hexyl ethanoate stannum is 7-9 weight portion, and the consumption of Firebrake ZB is 12-14 weight portion, and the consumption of sulfur is 14-16 weight Part, the consumption of isoprene rubber is 40-53 weight portion.
Step 2 in the present invention) in, the actual conditions of the second mixing can select in wide scope, but in order to make Modified PAA/PE Wire-wound filter core there is more excellent filtration and sterilization, sterilization effect it is preferable that preferably, in step 2), in, the second mixing at least meets following condition:Melting temperature is 210-215 DEG C, and mixing time is 4-6h, and mixing pressure is 2- 3MPa.
Step 2 in the present invention) in, the size of alkali magnesium sulfate crystal whisker can select in wide scope, but in order to Prepared modified PAA/PE Wire-wound filter core has more excellent filtration and sterilization, sterilization effect it is preferable that in step 2) in, Alkali magnesium sulfate crystal whisker meets following condition:A diameter of 1-8um, length is 30-200um.
Present invention also offers a kind of modification PAA/PE Wire-wound filter core, this modified PAA/PE Wire-wound filter core is passed through above-mentioned Preparation method is prepared.
Hereinafter will be described the present invention by embodiment.
Embodiment 1
1) by PAA (weight average molecular weight is 5000), PE (weight average molecular weight is 7000), glyceryl monostearate, aluminium powder (3mm) and water is according to 100:80:35:17:28 weight ratio carries out the first mixing, and (melting temperature is 145 DEG C, and mixing time is 3h, mixing pressure is 2.5MPa) so that first mixing thing is obtained;
2) by Colophonium, hydroxymethyl cellulose, glass fibre, silica gel, alkali magnesium sulfate crystal whisker, nanometer silver, (particle diameter is 15nm), sodium tripolyphosphate, dimethyl dimercapto 2-ethyl hexyl ethanoate stannum, Firebrake ZB, sulfur, isoprene rubber and the first mixing thing are pressed According to 14:12:23:25:6:1.3:19:8:13:15:47:100 weight ratio carries out the second mixing, and (melting temperature is 213 DEG C, mixes The refining time is 5h, and mixing pressure is 2.5MPa) so that second mixing thing is obtained;
3) by second mixing thing extrusion molding be obtained coiling, then by coiling carry out coiling with obtain modified PAA/PE line around Filter element A1.
Embodiment 2
1) by PAA (weight average molecular weight is 3000), PE (weight average molecular weight is 5000), glyceryl monostearate, aluminium powder (1mm) and water is according to 100:75:31:14:22 weight ratio carries out the first mixing, and (melting temperature is 140 DEG C, and mixing time is 2h, mixing pressure is 2MPa) so that first mixing thing is obtained;
2) by Colophonium, hydroxymethyl cellulose, glass fibre, silica gel, alkali magnesium sulfate crystal whisker, nanometer silver, (particle diameter is 10nm), sodium tripolyphosphate, dimethyl dimercapto 2-ethyl hexyl ethanoate stannum, Firebrake ZB, sulfur, isoprene rubber and the first mixing thing are pressed According to 11:8:21:18:4.5:0.9:15:7:12:14:40:100 weight ratio carries out the second mixing, and (melting temperature is 210 DEG C, mixes The refining time is 4h, and mixing pressure is 2MPa) so that second mixing thing is obtained;
3) by second mixing thing extrusion molding be obtained coiling, then by coiling carry out coiling with obtain modified PAA/PE line around Filter element A2.
Embodiment 3
1) by PAA (weight average molecular weight is 8000), PE (weight average molecular weight is 9000), glyceryl monostearate, aluminium powder (5mm) and water is according to 100:90:38:19:30 weight ratio carries out the first mixing, and (melting temperature is 155 DEG C, and mixing time is 4h, mixing pressure is 3MPa) so that first mixing thing is obtained;
2) by Colophonium, hydroxymethyl cellulose, glass fibre, silica gel, alkali magnesium sulfate crystal whisker, nanometer silver, (particle diameter is 20nm), sodium tripolyphosphate, dimethyl dimercapto 2-ethyl hexyl ethanoate stannum, Firebrake ZB, sulfur, isoprene rubber and the first mixing thing are pressed According to 17:14:26:31:7:1.6:22:9:14:16:53:100 weight ratio carries out the second mixing, and (melting temperature is 215 DEG C, mixes The refining time is 6h, and mixing pressure is 3MPa) so that second mixing thing is obtained;
3) by second mixing thing extrusion molding be obtained coiling, then by coiling carry out coiling with obtain modified PAA/PE line around Filter element A3.
Comparative example 1
Method according to embodiment 1 carries out Wire-wound filter core B1, except for the difference that, step 1 are obtained) in not using water.
Comparative example 2
Method according to embodiment 1 carries out Wire-wound filter core B2, except for the difference that, step 1 are obtained) in not using aluminium powder.
Comparative example 3
Method according to embodiment 1 carries out Wire-wound filter core B3, except for the difference that, step 2 are obtained) in not using nanometer silver.
Comparative example 4
Method according to embodiment 1 carries out Wire-wound filter core B4, except for the difference that, step 2 are obtained) in not using alkali magnesium sulfate Whisker.
Comparative example 5
Method according to embodiment 1 carries out Wire-wound filter core B5, except for the difference that, step 2 are obtained) in not using sulfur.
Detection example 1
Take Yangtze River Water to be detected according to the method in GB/T5750.4-2006 from the Changjiang river Wuhu section, then water is passed through The filter being provided with above-mentioned modification PAA/PE Wire-wound filter core is filtered, then according to the method in GB/T5750.4-2006 Water after detection filtration, concrete outcome is shown in Table 1.
Table 1
By above-described embodiment, comparative example and detection example, the modified PAA/PE Wire-wound filter core that the present invention provides has Excellent filter effect and bactericidal effect;Meanwhile, the data also by above-mentioned table 1 understands, each step that the present invention provides and each There is synergism in close relations between raw material.
The preferred embodiment of the present invention described in detail above, but, the present invention is not limited in above-mentioned embodiment Detail, in the range of the technology design of the present invention, multiple simple variant can be carried out to technical scheme, this A little simple variant belong to protection scope of the present invention.
It is further to note that each particular technique feature described in above-mentioned specific embodiment, in not lance In the case of shield, can be combined by any suitable means, in order to avoid unnecessary repetition, the present invention to various can The compound mode of energy no longer separately illustrates.
Additionally, combination in any can also be carried out between the various different embodiment of the present invention, as long as it is without prejudice to this The thought of invention, it equally should be considered as content disclosed in this invention.

Claims (9)

1. a kind of preparation method of modification PAA/PE Wire-wound filter core is it is characterised in that include:
1) PAA (polyacrylic acid), PE (polyethylene), glyceryl monostearate, aluminium powder and water are carried out the first mixing to be obtained the One mixing thing;
2) by Colophonium, hydroxymethyl cellulose, glass fibre, silica gel, alkali magnesium sulfate crystal whisker, nanometer silver, sodium tripolyphosphate, diformazan Base dimercapto 2-ethyl hexyl ethanoate stannum, Firebrake ZB, sulfur, isoprene rubber and described first mixing thing carry out the second mixing to be obtained the Two mixing things;
3) described second mixing thing extrusion molding is obtained coiling, then described coiling is carried out coiling to obtain described modification PAA/PE Wire-wound filter core.
2. preparation method according to claim 1, wherein, in step 1) in, described first mixing at least meets following bar Part:Melting temperature is 140-155 DEG C, and mixing time is 2-4h, and mixing pressure is 2-3MPa.
3. preparation method according to claim 1, wherein, in step 1) in, the weight average molecular weight of described PAA is 3000- The weight average molecular weight of 8000, described PE is 5000-9000.
4. preparation method according to claim 1, wherein, in step 1) in, the particle diameter of described aluminium powder is 1-5mm.
5. the preparation method according to any one in claim 1-4, wherein, in step 1) in, with respect to 100 weight portions Described PAA, the consumption of described PE is 75-90 weight portion, and the consumption of described glyceryl monostearate is 31-38 weight portion, institute The consumption stating aluminium powder is 14-19 weight portion, and the consumption of described water is 22-30 weight portion.
6. preparation method according to claim 5, wherein, in step 2) in, with respect to 100 weight portions described first mixes Refining thing, the consumption of described Colophonium is 11-17 weight portion, and the consumption of described hydroxymethyl cellulose is 8-14 weight portion, described glass The consumption of fiber is 21-26 weight portion, and the consumption of described silica gel is 18-31 weight portion, the consumption of described alkali magnesium sulfate crystal whisker For 4.5-7 weight portion, the consumption of described nanometer silver is 0.9-1.6 weight portion, and the consumption of described sodium tripolyphosphate is 15-22 weight Part, the consumption of described dimethyl dimercapto 2-ethyl hexyl ethanoate stannum is 7-9 weight portion, and the consumption of described Firebrake ZB is 12-14 weight Part, the consumption of described sulfur is 14-16 weight portion, and the consumption of described isoprene rubber is 40-53 weight portion.
7. preparation method according to claim 6, wherein, in step 2) in, described second mixing at least meets following bar Part:Melting temperature is 210-215 DEG C, and mixing time is 4-6h, and mixing pressure is 2-3MPa.
8. preparation method according to claim 7, wherein, in step 2) in, described alkali magnesium sulfate crystal whisker meets following Condition:A diameter of 1-8um, length is 30-200um.
9. a kind of modification PAA/PE Wire-wound filter core is it is characterised in that described modification PAA/PE Wire-wound filter core passes through claim 1-8 Described in middle any one preparation method be prepared.
CN201610832890.1A 2016-09-20 2016-09-20 Modified PAA/PE (Polyacrylic Acid/Polyethylene) wire-wound filter element and preparation method thereof Pending CN106422525A (en)

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Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5762797A (en) * 1995-12-15 1998-06-09 Patrick; Gilbert Antimicrobial filter cartridge
CN1275094A (en) * 1997-06-17 2000-11-29 米克罗本公司 Antimicrobial filter cartridge
CN1285766A (en) * 1998-06-22 2001-02-28 密克罗伴产品公司 Bacteriostalic filter cartridge
CN101724284A (en) * 2008-10-31 2010-06-09 中国石油化工股份有限公司 Anti-bacterial thermoplastic composite and preparation method thereof
CN102516601A (en) * 2011-11-15 2012-06-27 上海舜川塑胶新材料有限公司 Sulphur antimicrobial plastic master batch and preparation method
CN103111123A (en) * 2013-02-05 2013-05-22 广东正业科技股份有限公司 Degradable filter cartridge for printed wiring board
CN103127775A (en) * 2013-02-05 2013-06-05 广东正业科技股份有限公司 Manufacturing process of degradable filter element for printed circuit board

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5762797A (en) * 1995-12-15 1998-06-09 Patrick; Gilbert Antimicrobial filter cartridge
CN1275094A (en) * 1997-06-17 2000-11-29 米克罗本公司 Antimicrobial filter cartridge
CN1285766A (en) * 1998-06-22 2001-02-28 密克罗伴产品公司 Bacteriostalic filter cartridge
CN101724284A (en) * 2008-10-31 2010-06-09 中国石油化工股份有限公司 Anti-bacterial thermoplastic composite and preparation method thereof
CN102516601A (en) * 2011-11-15 2012-06-27 上海舜川塑胶新材料有限公司 Sulphur antimicrobial plastic master batch and preparation method
CN103111123A (en) * 2013-02-05 2013-05-22 广东正业科技股份有限公司 Degradable filter cartridge for printed wiring board
CN103127775A (en) * 2013-02-05 2013-06-05 广东正业科技股份有限公司 Manufacturing process of degradable filter element for printed circuit board

Non-Patent Citations (4)

* Cited by examiner, † Cited by third party
Title
刘建华: "《材料成型工艺基础》", 28 February 2016, 西安电子科技大学出版社 *
徐思亭: "《塑料材料与助剂》", 31 July 2007, 天津大学出版社 *
王经武: "《塑料改性工艺》", 29 February 2004, 化学工业出版社 *
闫振甲: "《高性能泡沫混凝土保温制品实用技术》", 31 May 2015 *

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