CN106390598A - Modified PAA/PVC wire-wound filter core and preparation method thereof - Google Patents
Modified PAA/PVC wire-wound filter core and preparation method thereof Download PDFInfo
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- CN106390598A CN106390598A CN201610832888.4A CN201610832888A CN106390598A CN 106390598 A CN106390598 A CN 106390598A CN 201610832888 A CN201610832888 A CN 201610832888A CN 106390598 A CN106390598 A CN 106390598A
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- 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
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2239/00—Aspects relating to filtering material for liquid or gaseous fluids
- B01D2239/10—Filtering material manufacturing
Abstract
The invention discloses a modified PAA/PVC (polyving akohol/polyvinyl chloride) wire-wound filter core and a preparation method thereof. The preparation method includes steps of 1) performing a first mixing on PAA, PVC, glycerinum monostearate, aluminite powder and water so as to obtain a first mixture; 2) performing a second mixing on rosin, hydroxymethyl cellulose, glass fibre, silica gel, alkali type magnesium sulfate crystal whisker, nano-silver, sodium tripolyphosphate, dimethyl-dimercapto ethylhexyl acetate, zinc borate, sulphur, chloroprene rubber, and the first mixture so as to obtain a second mixture; 3) extruding and molding the second mixture, and obtaining a winding wire, and winding the winding wire to obtain the modified PAA/PVC wire-wound filter core. The modified PAA/PVC wire-wound filter core prepared by the method has excellent filtering effect and antibacterial effect; meanwhile, the preparation method is simple in procedure and easy to obtain raw material.
Description
Technical field
A kind of the present invention relates to Wire-wound filter core, in particular it relates to modification PAA/PVC 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/PVC Wire-wound filter core and preparation method thereof, it is obtained by the method
Modified PAA/PVC Wire-wound filter core there is excellent filter effect and antibacterial effect；Meanwhile, this preparation method operation is simple, former
Material is easy to get.
To achieve these goals, the invention provides a kind of modification PAA/PVC Wire-wound filter core preparation method, including：
1) by PAA (polyacrylic acid), PVC (polrvinyl chloride), glyceryl monostearate, aluminium powder and water carry out the first mixing with
First mixing thing is obtained；
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, neoprene and the first mixing thing carry out the second mixing to be obtained the
Two mixing things；
3) the second mixing thing extrusion molding is obtained coiling, then coiling is carried out coiling to obtain modified PAA/PVC line
Around filter element.
Present invention also offers a kind of modification PAA/PVC Wire-wound filter core, this modified PAA/PVC Wire-wound filter core is passed through above-mentioned
Preparation method be prepared.
In technique scheme, the concrete operation of preparation method of the present invention is as follows：First, will be hard to PAA, PVC, 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, neoprene 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/PVC
Wire-wound filter core.Finally, show that this modified PAA/PVC Wire-wound filter core has excellent filter effect and antibacterial effect by detection；
In addition, 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/PVC Wire-wound filter core, including：
1) by PAA (polyacrylic acid), PVC (polrvinyl chloride), glyceryl monostearate, aluminium powder and water carry out the first mixing with
First mixing thing is obtained；
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, neoprene and the first mixing thing carry out the second mixing to be obtained the
Two mixing things；
3) the second mixing thing extrusion molding is obtained coiling, then coiling is carried out coiling to obtain modified PAA/PVC 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/PVC 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, PVC can select in wide scope, but in order to be obtained
Modified PAA/PVC Wire-wound filter core has more excellent filtration and sterilization, sterilization effect it is preferable that in step 1) in, PAA's
Weight average molecular weight is 3000-8000, and the weight average molecular weight of PVC 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/PVC 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/PVC Wire-wound filter core has more excellent filtration and sterilization, sterilization effect it is preferable that in step 1) in, with respect to
The consumption of the PAA of 100 weight portions, PVC is 55-61 weight portion, and the consumption of glyceryl monostearate is 31-38 weight portion, aluminium powder
Consumption be 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/PVC Wire-wound filter core has more excellent filtration and sterilization, sterilization effect it is preferable that in step 2) in, with respect to
First mixing thing of 100 weight portions, the consumption of Colophonium is 11-17 weight portion, and the consumption of hydroxymethyl cellulose is 5-9 weight portion,
The consumption of glass fibre is 11-17 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 11-16 weight portion, dimethyl
The consumption of dimercapto 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 portions, the consumption of neoprene is 71-78 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/PVC 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/PVC 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/PVC Wire-wound filter core, this modified PAA/PVC Wire-wound filter core is passed through above-mentioned
Preparation method be prepared.
Hereinafter will be described the present invention by embodiment.
Embodiment 1
1) by PAA (weight average molecular weight is 5000), PVC (weight average molecular weight is 7000), glyceryl monostearate, aluminium powder
(3mm) and water is according to 100：58：35：17：28 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, neoprene and the first mixing thing are pressed
According to 15：7：15：24：5：1.2：14：8：13：15：74：100 weight ratio carries out the second mixing, and (melting temperature is 213 DEG C, mixing
Time is 5h, and mixing pressure is 2.5MPa) so that second mixing thing is obtained；
3) the second mixing thing extrusion molding is obtained coiling, then coiling is carried out coiling to obtain modified PAA/PVC line
Around filter element A1.
Embodiment 2
1) by PAA (weight average molecular weight is 3000), PVC (weight average molecular weight is 5000), glyceryl monostearate, aluminium powder
(1mm) and water is according to 100：55：31：14：22 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, neoprene and the first mixing thing are pressed
According to 11：5：11：18：4.5：0.9：11：7：12：14：71：100 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) the second mixing thing extrusion molding is obtained coiling, then coiling is carried out coiling to obtain modified PAA/PVC line
Around filter element A2.
Embodiment 3
1) by PAA (weight average molecular weight is 8000), PVC (weight average molecular weight is 9000), glyceryl monostearate, aluminium powder
(5mm) and water is according to 100：61：38：19：30 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, neoprene and the first mixing thing are pressed
According to 17：9：17：31：7：1.6：16：9：14：16：78：100 weight ratio carries out the second mixing, and (melting temperature is 215 DEG C, mixing
Time is 6h, and mixing pressure is 3MPa) so that second mixing thing is obtained；
3) the second mixing thing extrusion molding is obtained coiling, then coiling is carried out coiling to obtain modified PAA/PVC 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/PVC 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/PVC 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/PVC Wire-wound filter core is it is characterised in that include：
1) PAA (polyacrylic acid), PVC (polrvinyl chloride), glyceryl monostearate, aluminium powder and water are carried out the first mixing to be obtained
First 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, neoprene 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/PVC 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 PVC 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 PVC is 55-61 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 5-9 weight portion, described glass fibers
The consumption of dimension is 11-17 weight portion, and the consumption of described silica gel is 18-31 weight portion, and the consumption of described alkali magnesium sulfate crystal whisker is
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 11-16 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 neoprene is 71-78 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/PVC Wire-wound filter core is it is characterised in that described modification PAA/PVC Wire-wound filter core passes through claim
Described in any one in 1-8 preparation method be prepared.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610832888.4A CN106390598A (en) | 2016-09-20 | 2016-09-20 | Modified PAA/PVC wire-wound filter core and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610832888.4A CN106390598A (en) | 2016-09-20 | 2016-09-20 | Modified PAA/PVC wire-wound filter core and preparation method thereof |
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2016
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| 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 |
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| 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 |
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Application publication date: 20170215 |