CN1253615C - Nano antibacterial non-woven fabric filtering material and its preparation method - Google Patents
Nano antibacterial non-woven fabric filtering material and its preparation method Download PDFInfo
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- CN1253615C CN1253615C CN 03143219 CN03143219A CN1253615C CN 1253615 C CN1253615 C CN 1253615C CN 03143219 CN03143219 CN 03143219 CN 03143219 A CN03143219 A CN 03143219A CN 1253615 C CN1253615 C CN 1253615C
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- antisepsis
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- nonwoven fabric
- woven fabric
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Abstract
The present invention relates to a nanometer antibacterial non-woven fabric filtering material and a preparation method thereof. The components in the weight proportion of 91 to 99 parts of polypropylene fibre and 1 to 9 parts of silver nanometer powders are arranged in a stirrer to be stirred evenly, and then are made into base materials of antisepsis and filtering materials. The base materials are mixed and melt by a plastic extruder to make a liquid mixture. The liquid mixture is melt and blown by a melt-blown injection moulding machine to form the antisepsis non-woven fabric filtering material. The nanometer antisepsis non-woven fabric filtering material produced by the present invention not only has good filtering effect, but also has stronger antisepsis sterilization function. The action time of antisepsis and sterilization is long, and the effect of antisepsis and sterilization is obvious. According to the detection of a national product quality monitoring and inspecting center, after one hour and four hours action to pneumobacillus and staphylococcus aureus, the bacteriostatic rate can reach 100%. The nanometer antisepsis non-woven fabric filtering material has the advantages of wide application area and low cost, and is an ideal antisepsis non-woven fabric filtering material used for filtering industry, purifying industry and other industries.
Description
Technical field
The present invention relates to a kind of Nanometer Antibacterial Non-woven Cloth Filter And Preparation Method.
Background technology
The main component that is used to prepare antibacterial nonwoven cloth made at present is conventional polyester fiber or polypropylene fibre.Its production process generally is earlier general fibre to be soaked in containing the immersion liquid groove of medicine, extruding is also cleaned the medicine amount liquid of crossing that adsorbs between fiber, again through baking oven or drying cylinder oven dry, obtain iatric fiber, with lapping after iatric fiber and auxiliary fiber mixed cotton, shredding, the combing, be processed into antibacterial nonwoven cloth made through water thorn, gluing, hot rolling, a kind of mode in hot sticky again.With the antibacterial nonwoven cloth made that these class methods are produced, its antibiotic stability, persistence and washability are relatively poor.Texture is bad simultaneously, and comfortableness is not enough, and production cost is also high.Chinese patent literature was the technical scheme that CN1346905 discloses a kind of antibacterial composite non-woven fabric manufacture method on 05 01st, 2002 with the publication number, and this scheme adopts Ag-carried antibacterial material, fibre resin and the plastic additive main component for the preparation antibacterial nonwoven cloth made.The technical process of its production is under 110-300 ℃ temperature mentioned component to be carried out consolute earlier, makes antibacterial matrices, produces the technology of spun-bonded non-woven fabrics then routinely and makes antibiotic spunbond net; At last antibiotic spunbond net and cotton fiber net are carried out composite spunlaced processing, oven dry promptly is made for the composite antibiosis nonwoven fabric.The silver-colored nonwoven fabric that carries that this kind technical scheme is produced is the antibiotic filter material of silver-based inorganic class, and it mainly plays antibiotic and effect sterilization with the effect that places the silver ion among the fiber.Though the antibiotic filter material of such silver-based inorganic class has certain sterilization and antibiotic effect.But this series products is in use in case of behind the water, and it places the silver ion among the fiber can separate out loss, and this series products is antibiotic, sterilization effects reduces greatly thereby cause.
Summary of the invention
The objective of the invention is deficiency, a kind of Nanometer Antibacterial Non-woven Cloth Filter And Preparation Method efficient, the durable antibiotic sterilization that has is provided at above-mentioned antibacterial nonwoven cloth made existence.
The object of the present invention is achieved like this: this nano-antibacterial nonwoven fabric filter material is to be made by the component of following weight fraction ratio, and polypropylene fibre is that 91-99 part and silver are that antiseptic nano powder is 1-9 part.
This nano-antibacterial nonwoven fabric filter material also can be made by the component of following preferred weight mark ratio, the polypropylene fibre particle be 94-98 part with silver be antiseptic nano powder 2-6 part.
This nano-antibacterial nonwoven fabric filter material also can be made by the component of following optimum weight mark ratio, the polypropylene fibre particle be 98 parts with silver be 2 parts of antiseptic nano powders.
The preparation method who prepares this nano-antibacterial nonwoven fabric filter material is:
D, preparation filter material base-material
By above-mentioned ratio of weight and number, be that antiseptic nano powder carries out abundant stirring and evenly mixing in agitator with polypropylene fibre and silver, make the base-material of antibiotic filter material;
E, consolute
With the filter material base-material at 140-180 ℃, 4-6kg/cm
3Carry out consolute in the extruding machine under the operating mode, make liquid mixture;
F, melt and spray
By melt and spray injection machine with liquid mixture at 140-180 ℃, 4-6kg/cm
3Melting and spraying under the operating mode made antibacterial nonwoven cloth made.
Also can carry out ten thousand volts of above high pressure injections to the liquid nonwoven fabric after melting and spraying.
The selected anti-biotic material of the present invention is that silver is antiseptic nano powder, and this antimicrobial powder is the mixture of silver-based inorganic material and organic anti-bacterial material, and is powdered under the normality, belongs to nanoscale, possesses stronger antibacterial functions.This antimicrobial powder not only contains the silver-based inorganic material, and it also contains the organic anti-bacterial material, and its two combination has stronger antibiotic and sterilizing effect.Simultaneously because the existence of organic anti-bacterial material has prevented only single use Ag-carried antibacterial material effectively as the deficiency that antimicrobial component exists, silver particles can be separated out the defective that runs off and cause antibacterial effect to reduce after promptly having overcome this series products and meeting water.And this silver is that antiseptic nano powder is to belong to nano level, the meeting of itself and the fusion of polypropylene fibre base-material more fully and evenly, the antibacterial effect of filter material can be more obvious.What the production of this nano-antibacterial nonwoven fabric filter material was simultaneously adopted is melt-blown process, the fine and closely woven property of its product of producing is stronger, in production technology, product has also been carried out the high pressure injection that surpasses ten thousand volts in addition, make this nano-antibacterial nonwoven fabric filter material when possessing good antibacterial action, also to bacteria particles and non-oiliness particulate filtration effect up to more than 95%, its filterability outclass the spun-bonded non-woven fabrics filter material.
Description of drawings
Fig. 1 is nano-antibacterial nonwoven fabric preparation method's a process chart.
The specific embodiment
Below in conjunction with embodiment the present invention is described in further detail:
| Component | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Embodiment 5 | Embodiment 6 | Embodiment 7 | Embodiment 8 | Embodiment 9 |
| Polypropylene fibre | 910g | 920g | 930g | 940g | 950g | 960g | 970g | 980g | 990g |
| Antiseptic nano powder | 90g | 80g | 70g | 60g | 50g | 40g | 30g | 20g | 10g |
The preparation method who prepares above-mentioned nano-antibacterial nonwoven fabric:
A, preparation nonwoven fabric filter material base-material
At first by above-mentioned ratio of weight and number respectively weighing polypropylene fibre and silver be antiseptic nano powder, the two is inserted the abundant stirring and evenly mixing that carried out in the high speed agitator ten minutes, make the base-material of antibacterial nonwoven cloth made filter material;
B, consolute
Nonwoven fabric filter material base-material is inserted 140-180 ℃ of the inherent temperature of extruding machine, 4-6kg/cm
3Carry out consolute under the operating mode, extrusion molding is made liquid mixture;
C, melt and spray
Be filled in the disinfection by ultraviolet light workshop and melt and spray injection-moulding device, at 140-180 ℃, 4-6kg/cm
3Operating mode under by melting and spraying injection machine liquid mixture is melted and sprayed injection moulding, 2 microns silks footpath fibers fork is handed over reticulate meltblown layer, the net of its every layer netted meltblown layer directly is below 3 microns, makes the composite antibiosis nonwoven fabric by the meltblown layer more than 12 layers.When melting and spraying injection moulding, the meltblown layer when also being in liquid state after melting and spraying carries out 30,000 volts high pressure injection electricity, makes the nonwoven fabric filter material attach static.After simultaneously the meltblown layer of making antibacterial nonwoven cloth made being carried out nature cooling, again by cut, rolling equipment cuts clot, the finished product warehouse-in.
By the above-mentioned nano-antibacterial nonwoven fabric filter material that makes, mainly be that the positive charge that has by itself combines with the negative electrical charge that bacterium or virus are had, make that bacterium or virus are destroyed, play the antibiotic effect of sterilization.Silver is that antiseptic nano powder mixes with physics mode fully with polypropylene fibre, feasible silver is that antiseptic nano powder is evenly distributed in the liquid mixture of the two, again through the processing of melt-blown process, silver is that antiseptic nano powder is just inserted among the filter material fiber equably and sticked to fiber surface.Nano-antibacterial nonwoven fabric filter material by the present invention's production, not only has filter effect preferably, also has stronger antibiotic and sterilizing function, and the action time of antibiotic and sterilizing is lasting, the antibiotic and sterilizing effect is obvious, detect through national cotton textile quality supervision and test center, its to pneumobacillus and staphylococcus aureus after the effect of 1 hour and 4 hours, bacteriostasis rate reaches 100%, and survey report sees Appendix-1.Nano-antibacterial nonwoven fabric filter material can be widely used in the production that filters purification industry and other products, as the raw material of products such as air purifier, antibacterial mask, protective clothing, urine pad for baby, sanltary towel, face-cloth, underwear pants, sheet quilt cover, bath towel, sportswear, shoe-pad and slippers manufacturing.
Claims (5)
1, a kind of nano-antibacterial nonwoven fabric filter material is characterized in that it is made by the component of following weight fraction ratio, and polypropylene fibre is that 91-99 part and silver are that antiseptic nano powder is 1-9 part.
2, nano-antibacterial nonwoven fabric filter material according to claim 1 is characterized in that it is made by the component of following preferred weight mark ratio, polypropylene fibre be 94-98 part with silver be antiseptic nano powder 2-6 part.
3, nano-antibacterial nonwoven fabric filter material according to claim 2 is characterized in that it is made by the component of following optimum weight mark ratio, polypropylene fibre be 98 parts with silver be 2 parts of antiseptic nano powders.
4, the preparation aforesaid right requires the preparation method of 1--3 nano-antibacterial nonwoven fabric filter material, it is characterized in that:
A, preparation filter material base-material
By above-mentioned ratio of weight and number, be that antiseptic nano powder carries out abundant stirring and evenly mixing in agitator with polypropylene fibre particle and silver, make the base-material of antibiotic filter material;
B, consolute
With the filter material base-material at 140-180 ℃, 4-6kg/cm
3Carry out consolute in the extruding machine under the operating mode, make liquid mixture;
C, melt and spray
By melt and spray injection machine with liquid mixture at 140-180 ℃, 4-6kg/cm
3Melt and spray under the operating mode, make antibacterial nonwoven cloth made.
5, the preparation method of nano-antibacterial nonwoven fabric according to claim 4 is characterized in that the liquid nonwoven fabric after melting and spraying is carried out ten thousand volts of above high pressure injections.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN 03143219 CN1253615C (en) | 2003-07-17 | 2003-07-17 | Nano antibacterial non-woven fabric filtering material and its preparation method |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 03143219 CN1253615C (en) | 2003-07-17 | 2003-07-17 | Nano antibacterial non-woven fabric filtering material and its preparation method |
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| CN1475613A CN1475613A (en) | 2004-02-18 |
| CN1253615C true CN1253615C (en) | 2006-04-26 |
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| CN 03143219 Expired - Fee Related CN1253615C (en) | 2003-07-17 | 2003-07-17 | Nano antibacterial non-woven fabric filtering material and its preparation method |
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Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CZ300797B6 (en) * | 2005-04-11 | 2009-08-12 | Elmarco, S. R. O. | Fabric containing at least one layer of polymeric nanofibers and process for producing polymeric nanofiber layer from polymer solution by electrostatic spinning |
| 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 |
| CN102961923A (en) * | 2012-11-20 | 2013-03-13 | 芜湖市华泰实业有限公司 | Sliver-loaded polypropylene water purifying filter element and manufacturing method thereof |
| CN103194855B (en) * | 2013-03-18 | 2016-03-23 | 河南舒莱卫生用品有限公司 | A kind of preparation method of nanometer silver antimicrobial nonwoven fabric and the application on paper diaper thereof |
| CN104984592A (en) * | 2015-07-07 | 2015-10-21 | 沈海波 | Composite material capable of resisting and inhibiting bacteria, absorbing dust and filtering dust and manufacturing method of composite material |
| CN104990155B (en) * | 2015-07-07 | 2018-04-10 | 沈海波 | A kind of air purifier |
| CN106762855A (en) * | 2016-12-23 | 2017-05-31 | 浙江威邦机电科技有限公司 | Antibacterial filter core and method for disinfection and the ground swimming pool filter pump using the antibacterial filter core |
| CN110404339B (en) * | 2019-07-25 | 2022-08-12 | 中国建筑科学研究院有限公司 | High-efficiency low-resistance PM2.5 antibacterial and mildewproof filtering material and preparation method thereof |
| CN111235759A (en) * | 2020-03-15 | 2020-06-05 | 雷志刚 | Manufacturing method of melt-blown cloth for preventing and controlling new coronavirus |
| CN111501209A (en) * | 2020-04-03 | 2020-08-07 | 常州常探机器人有限公司 | Method for manufacturing nano-silver melt-blown fabric |
| CN111519350B (en) * | 2020-04-30 | 2021-09-14 | 安徽新虹纺织有限公司 | Nano antibacterial non-woven fabric for mask and production process thereof |
| CN111945295A (en) * | 2020-08-19 | 2020-11-17 | 安徽元琛环保科技股份有限公司 | Preparation method of efficient antibacterial meltblown fabric and prepared efficient antibacterial meltblown fabric |
| CN114717677B (en) * | 2022-03-31 | 2023-09-26 | 广东粤港澳大湾区国家纳米科技创新研究院 | Nano gold non-woven fabric and preparation method and application thereof |
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Assignee: Handa Hongyong Protecting & Cleaning Articles Co., Ltd. Assignor: Yang Hongen|Lei Zengxue Contract fulfillment period: 2008.11.10 to 2023.11.9 contract change Contract record no.: 2008130000109 Denomination of invention: Nano antibacterial non-woven fabric filtering material and its preparation method Granted publication date: 20060426 License type: Exclusive license Record date: 20081127 |
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Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2008.11.10 TO 2023.11.9; CHANGE OF CONTRACT Name of requester: HANDAN HENGYONG CLEAN PROTECTIVE SUPPLIES CO., LTD Effective date: 20081127 |
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