CN1355335A - Process for preparing antibacterial antimildew polyacrylic fibres and its filter net for air conditioner - Google Patents
Process for preparing antibacterial antimildew polyacrylic fibres and its filter net for air conditioner Download PDFInfo
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- CN1355335A CN1355335A CN 00127594 CN00127594A CN1355335A CN 1355335 A CN1355335 A CN 1355335A CN 00127594 CN00127594 CN 00127594 CN 00127594 A CN00127594 A CN 00127594A CN 1355335 A CN1355335 A CN 1355335A
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- antibacterial
- polyacrylic fibres
- filter net
- air
- antimildew polyacrylic
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Abstract
A process for preparing the antibacterial and antimidew polypropylene fibres and the filtering screen of air condtiioner includes such steps as chemical reaction for attaching nm-class silver particles to the surface and in micropores of silicate clay, spinning the polypropylene fibres with nm-class silver particles on its surface, and weaving the said filtering screen of air conditioner. Its advantages include high antibacterial power, broad spectrum, and low cost.
Description
The present invention is a kind of method for making of nano silver long-acting broad-spectrum antibacterial and anti-mildew polyacrylic fibres and uses the polyacrylic fibres of being produced to weave air-conditioning filter net, relates to the production of spinning polyacrylic fibres and air-conditioning filter net.
Air-conditioning is household electrical appliance commonly used during people live, and along with further popularizing of household electrical appliance, people are when paying close attention to its use value, and itself and the value of environmental protection of depositing are more and more paid attention in beginning.Because present air-conditioning filter net majority does not have antibacterial and antimildew function, therefore, behind the air-conditioning filter net laying dust, under temperature and humidity condition, can multiply a large amount of bacteriums and mould,, constantly bacterium be brought in the air by the air circulation circulation, cause secondary pollution, human body constantly is subjected to the infringement of bacterium under this environment, make the people produce dizziness, bad air conditioner comprehensive disease such as uncomfortable in chest, weak.Cause very big harm to human body.More fearful is to be present in traditional central air-conditioning water cooling system, the Legionella in the recirculated water.Legionella enters air by the aqueous vapor colloidal sol that cooling tower sends, again with in the air conditioner fresh air inlet chamber and directly enter atmosphere.After sucking, the people of hypoimmunity very easily infects the lighter's headache, cough, weight person's pulmonary infection, high fever even death.Along with the increase of people to health demand, the antibacterial and antimildew function product in each field also arises at the historic moment.Such as, on textiles, carry out the arrangement of antibacterial and antimildew function; Adding antiseptic in the plastics of household electrical appliance or food containers makes it have antibacterial and mouldproof performance or the like.Handle by on air-conditioning filter net, carrying out antibacterial and mouldproof, make it to reach and reduce secondary pollution, purify the air of a room, the problem that has become people and paid close attention to.
Chinese patent CN1236659A discloses a kind of filtration lamellar body and processing procedure thereof with deodorizing filtering poison high-absorbility.But, the manufacturing technique complexity of this invention, also higher to the requirement of air-conditioning, can't satisfy the demand of present domestic air conditioning, it is relatively poor particularly will to make improvements adaptability to present air-conditioning.
The objective of the invention is to overcome the defective of prior art, air-conditioning filter net, especially this antibacterial antimildew polyacrylic fibres of proposing a kind of antibacterial antimildew polyacrylic fibres manufacturing are the purposes that reaches long-acting broad-spectrum antibacterial and anti-mildew by Nano Silver.
The objective of the invention is by the following technical programs to realize: the silicate of at first selecting attapulgite Attapulgite (also having document to claim palygorskite Palygorskite) or similarly having a micropore shape is as carrier, utilize a large amount of micropore of its existence, handle by chemistry and physical method, introducing nano level silver in its micropore is the antibacterial and mouldproof material, under the prerequisite that does not change the fundamental characteristics purposes of attapulgite own, make it have the broad-spectrum antibacterial and anti-mildew effect, then, with the polypropylene blending, form the suitable woven polyacrylic fibres of air-conditioning filter net, be woven into net again.
According to above technical scheme, feature of the present invention is to add silicate clay--a kind of nano silver long-acting broad-spectrum antibacterial and anti-mildew granules of having nano level elemental silver in surface and the micropore in the polypropylene of spinning.
Above-described nano silver long-acting broad-spectrum antibacterial and anti-mildew granules is set forth in the PCT/CN00/00257 patent application by the applicant.According to above technical scheme, feature of the present invention also is to make by following proportioning and manufacture method:
Attapulgite 100-1000g
AgNO
3 10-20g
NaOH:1-3g, NH
3H
2O:10-30ml also comprises formaldehyde or reductants such as glucose or hydrogen peroxide simultaneously.
During manufacturing, earlier with AgNO
3With the NaOH reaction, add NH again
3H
2O forms [Ag (NH
3)
2]
+Again attapulgite is put into, stirred, be colloid shape solution, further put into reductant through 1-2 hour.The antibacterial and anti-mildew granules that contains nanometer-level silver is made in oven dry after filtration,, pulverizing.
Add the polypropylene agglomerate that contains above-mentioned nanometer-level silver particle again in the wire drawing grade polypropylene, proportioning is: 1-8% antibacterial and mouldproof master batch; The 99-92% polypropylene; Also can add a spot of look mother therein to regulate color.Be extruded into silk through die head, form the antibacterial antimildew polyacrylic fibres that surface attachment has the nanometer-level silver ion, weave weaving on the machine again, make the antibacterial and mouldproof air-conditioning filter net.
Ag
+Under the situation that minor amount of water exists, can be easily with electronegative bacterioprotein in peculiar gene (, thereby reach the purpose of sterilization as-SH) generation complexing, the organized enzyme loss of activity that bacterium is depended on for existence.According to classical theory, silver is more stable material, and is water insoluble substantially, and the sterilizing power of itself and antimicrobial spectrum were both so wideless so by force yet, had only by with the granular on the material yardstick of silver, made it reach 10
-9The nanoscale of M makes full use of its skin effect.Small-size effect and various new specific physique and the effect that are different from macrocosm silver of utilizing it to reflect, realize that it is long-lasting, broad spectrum activity, antibiotic strong, good stability, chance water effect not only do not weaken, the characteristic of Zeng Qianging and in killing the process of pathogenic bacteria on the contrary is not subjected to influence or the like the characteristic of human body acid-base degree.The Nano Silver technology is the product that is based upon on quantum chemistry, materials chemistry, the biochemistry three big basic subjects, by with the granular on the material yardstick of silver, makes it reach 10
-9The nanoscale of M.Because its surface area increases greatly, bigger variation also takes place in surface texture, and surface-activity strengthens greatly, and shows high specific function.Bibliographical information is arranged, and after testing, is 0.16～8.97 mg/ml to the MIC of pathogenic bacteria, and MBC is 3.05～81.97 mg/ml, and its sterilizing ability has improved more than 200 times.
Owing to have nano level silver on the surface of air-conditioning filter net, therefore screen pack of the present invention can kill and acts on play one attached to online bacterium mould etc.
Compare prior art, the present invention has following outstanding feature and significantly progressive: 1. not only cost is low for the used carrier attapulgite, exploitation is convenient, reserves in China are very abundant, the more important thing is, it is good to have made full use of its compatibility, can be used as the characteristics of filler, in spinning process, add, under the prerequisite that described field manufacturing technique is not exerted an influence, can make spun polyacrylic fibres increase the effect that produces the antibacterial and mouldproof deodorizing.Pyococcus: staphylococcus aureus, beta streptococcus, pneumococcus, diplococcus meningitidis,
Diplococcus enteric bacilli: Escherichia coli, shigella dysenteriae, typhoid bacillus, paratyphosum Bacterium, bacillus typhi murium, bacillus enteritidis, hog cholera bacillus, proteus, pneumobacillus, Pseudomonas aeruginosa pathomycete: candida albicans, Cryptococcus neoformans, trichophyton gypseum, Trichophyton rubrum, rose-colored
Trichophyta, acrothesium floccosum, achorion, Microsporum gypseum, mucor,
Aspergillus 3. manufacture methods of the present invention are simple, easy to operate.With like product relatively, advantage such as it is good to have an anti-microbial property, and price is low.
Below in conjunction with embodiment, the present invention is further described:
Embodiment is at first according to following proportioning: 6% antibacterial antimildew polyacrylic master batch; 93% polypropylene; 1% green mother prepares, and by first section 184 ℃, second section 271 ℃, to the 3rd section 290 ℃, the temperature of last extrusion die is 285 ℃, stretches again.Draw ratio is 1: 5.33.The rotating speed of extruder is 20 rev/mins, 600 rev/mins of rolling speed.According to the product of this technology, promptly Si diameter is 0.20mm.Use this silk again, by a minute silk, turn over silk, warping and weave and make air-conditioning filter net.
Claims (6)
1. the method for making of an antibacterial antimildew polyacrylic fibres is characterized in that it is according to following proportioning: 1-8% antibacterial antimildew polyacrylic master batch; The 99-92% polypropylene is prepared, and extrudes by 100-120 ℃ of die head, stretches again.
2. the method for making of antibacterial antimildew polyacrylic fibres as claimed in claim 1, the draw ratio that it is characterized in that it is 1: 6-8.
3. the method for making of antibacterial antimildew polyacrylic fibres as claimed in claim 1, the manufacturing that it is characterized in that the antibacterial and mouldproof master batch is in following ratio proportioning and make:
Attapulgite clay 100-1000g
AgNO
3 10-20g
NaOH:1-3g, NH
3H
2O:10-30ml also comprises formaldehyde or reductants such as glucose or hydrogen peroxide simultaneously;
Manufacturing step is:
A. earlier with AgNO
3With the NaOH reaction, add NH again
3H
2O forms [Ag (NH
3)
2]
+
B. attapulgite clay is put into above-mentioned reactant liquor, kept bath raio 1: 10-20, stirred through 1-2 hour
Mix, be colloid shape solution;
C. further put into reductant, heat and in the surface of attapulgite clay and micropore, analyse to 70-80 ℃
Go out argent;
D. after filtration, the dehydration, oxygenation bakes again, the surface of argent is oxidized to silver oxide Ag
2O,
E. pulverize and make powdered granule;
F. above-mentioned powdered granule and polypropylene are mixed into the antibacterial and mouldproof master batch.
4. as the manufacture method of claim 1 or 3 described antibacterial antimildew polyacrylic fibres, it is characterized in that the proportioning in the antibacterial and mouldproof master batch is: antibacterial and anti-mildew granules 2-8%, polypropylene 98-92%.
5. one kind by the made air-conditioning filter net of the described antibacterial antimildew polyacrylic fibres of claim 1, and it is characterized in that at least having nano level silver in the surface attachment of this screen pack.
6. air-conditioning filter net as claimed in claim 5, it is characterized in that it by a minute silk, turn over silk, warping and weave and make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00127594 CN1355335A (en) | 2000-11-28 | 2000-11-28 | Process for preparing antibacterial antimildew polyacrylic fibres and its filter net for air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 00127594 CN1355335A (en) | 2000-11-28 | 2000-11-28 | Process for preparing antibacterial antimildew polyacrylic fibres and its filter net for air conditioner |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1355335A true CN1355335A (en) | 2002-06-26 |
Family
ID=4592607
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 00127594 Pending CN1355335A (en) | 2000-11-28 | 2000-11-28 | Process for preparing antibacterial antimildew polyacrylic fibres and its filter net for air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1355335A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100465360C (en) * | 2006-09-28 | 2009-03-04 | 丁宏广 | Optic catalyst anti-bacterial mildw-proof negative ion polypropylene monofilament and its preparing method and use |
| WO2009059457A1 (en) * | 2007-11-07 | 2009-05-14 | U-Bond Inc. | Functional fiber, preparation method thereof and fabric made of it |
| CN102011213A (en) * | 2010-11-04 | 2011-04-13 | 滁州友林科技发展有限公司 | Antibacterial protein fibers |
| CN102580401A (en) * | 2012-01-18 | 2012-07-18 | 厦门建霖工业有限公司 | Melt-blown filter element and preparation method thereof |
| CN104292673A (en) * | 2014-10-17 | 2015-01-21 | 四川明星电缆股份有限公司 | Mildew-proof rubber sheathing compound for cable |
| CN104480697A (en) * | 2014-10-31 | 2015-04-01 | 东华大学 | Sterilization and anti-mildew air conditioner filtration screen preparation method |
| CN109925789A (en) * | 2019-02-14 | 2019-06-25 | 安徽宏凤空调滤网有限公司 | A kind of long acting antibiotic anti-mite air-conditioning filter net and preparation method thereof |
-
2000
- 2000-11-28 CN CN 00127594 patent/CN1355335A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100465360C (en) * | 2006-09-28 | 2009-03-04 | 丁宏广 | Optic catalyst anti-bacterial mildw-proof negative ion polypropylene monofilament and its preparing method and use |
| WO2009059457A1 (en) * | 2007-11-07 | 2009-05-14 | U-Bond Inc. | Functional fiber, preparation method thereof and fabric made of it |
| CN102011213A (en) * | 2010-11-04 | 2011-04-13 | 滁州友林科技发展有限公司 | Antibacterial protein fibers |
| CN102580401A (en) * | 2012-01-18 | 2012-07-18 | 厦门建霖工业有限公司 | Melt-blown filter element and preparation method thereof |
| CN104292673A (en) * | 2014-10-17 | 2015-01-21 | 四川明星电缆股份有限公司 | Mildew-proof rubber sheathing compound for cable |
| CN104480697A (en) * | 2014-10-31 | 2015-04-01 | 东华大学 | Sterilization and anti-mildew air conditioner filtration screen preparation method |
| CN109925789A (en) * | 2019-02-14 | 2019-06-25 | 安徽宏凤空调滤网有限公司 | A kind of long acting antibiotic anti-mite air-conditioning filter net and preparation method thereof |
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