CN104275035A - Anti-static filtration material used at normal temperature and preparation method of anti-static filtration material - Google Patents
Anti-static filtration material used at normal temperature and preparation method of anti-static filtration material Download PDFInfo
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- CN104275035A CN104275035A CN201410470113.8A CN201410470113A CN104275035A CN 104275035 A CN104275035 A CN 104275035A CN 201410470113 A CN201410470113 A CN 201410470113A CN 104275035 A CN104275035 A CN 104275035A
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- filtering material
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- base cloth
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Abstract
The invention provides an anti-static filtration material used at normal temperature and a preparation method of the anti-static filtration material. The filtration material comprises non-woven fabric base cloth and a surface layer, wherein the non-woven fabric base cloth and chemical fiber filaments with surfaces which are coated and plated by metal layers are woven in a mixing manner so as to form an anti-static base cloth layer. The preparation method of the anti-static filtration material comprises the following steps: drying the chemical fiber filaments, carrying out physical oil removal and pretreatment, coating and plating the metal layers; then weaving the processed chemical fiber filaments and raw materials of a non-woven fabric base cloth layer in a mixing manner so as to form the anti-static base cloth layer; subsequently mixing, opening, carding and netting raw materials of a non-woven fabric surface layer, adding the anti-static base cloth in the middle, needling and shaping to form the anti-static filtration material. The anti-static filtration material has the advantages of good antistatic property, high uniformity, excellent adhesion property and the like, and can be applied to normal-temperature bag type dust removal in the fields such as waste incineration, thermal power generation, iron and steel and chemical industry. According to the method, the process is simple, safety, reliability, economy and environmental protection are realized; the large-scale mass production is easy to implement.
Description
Technical field
The present invention relates to fabrics for industrial use field, particularly relate to a kind of normal temperature antistatic filtering material and preparation.
Background technology
In the industrial circles such as petrochemical industry, smelting iron and steel, coal-burning power plant, waste incineration, cement, the flue dust that process portion produces has the features such as flammable, explosive, high temperature, use process in due to dust and dust, rubbing between dust and filtrate easily produces a large amount of electrostatic, as can not be in time electric charge eliminated, fire or explosion accident will be produced.The flue dust of high temperature is then had higher requirement to the use of filtering material.Along with science and technology and the development of modern crafts, people also more and more pay attention to the aspect such as air quality, personal protection, therefore, need to use antistatic filtering material to process flue dust.Existing antistatic filtering material generally adopts following 3 kinds of methods, (1) chemical fibre and stainless steel fibre mixing acupuncture, and (2) chemical fibre and conductive fiber mixing acupuncture, (3) add antistatic agent in filtering material.Wherein, (1) there is the shortcomings such as production procedure length, complex process, lack of homogeneity in method; (2), (3) there is the shortcomings such as antistatic performance instability, decay is fast, sheet resistance is bigger than normal in method.
The domestic and international research about antistatic filtering material is less at present, patent of invention (201310119167.5) provides a kind of Anti-static polytetrafluoroethylfilter filter bag and preparation method thereof, the method base cloth twists Split Down by polytetrafluoroethylfilament filament and stainless steel fibre, weave mutually form by warp, latitude, be coated with nonwoven layers at the upper and lower surface of Ji Bu, its electrostatic-proof function layer is different from the present invention.Utility model patent (201120341764.9) provides a kind of antistatic blending filter felt, what this filter felt comprised conductive fiber and the blending of polyacrylonitrile fibre cross lapping meets knoisphere, the base cloth layer of polyacrylonitrile fibre long filament braiding and the bottom of polyacrylonitrile fibre cross lapping, and its anti-static function layer is different from the present invention.
Summary of the invention
The present invention is intended to overcome the deficiencies in the prior art, provides a kind of static electricity resistance is good, uniformity is good, adhesion is good normal temperature antistatic filtering material and preparation method, simple, easy to operate, the economic environmental protection of this preparation method's technique.
In order to reach one of above-mentioned purpose, the present invention realizes by following technical measures:
A kind of normal temperature antistatic filtering material, comprises non-woven fabricbase cloth and top layer, and described non-woven fabricbase cloth and top layer are by pinprick reinforcement, and mixed the knitting of the chemical fiber filament of described non-woven fabricbase cloth and surperficial plating metal level forms antistatic base cloth layer.
One of the object of the invention also realizes by following technical measures:
Described metal level be nickel, copper, silver, titanium, chromium one or more.
Described metal level thickness in monolayer is 0.05 ~ 1 μm.
Chemical fiber filament and non-woven fabricbase cloth material quality ratio=(30-100) of described surperficial plating metal level: (70-0).
Described normal temperature chemical fiber filament be polyster fibre, nylon fibre, polyvinyl chloride fibre fiber, acrylic fiber, vinylon fibre, polypropylene fiber one or more.
Described non-woven fabricbase cloth and top layer raw material be polyster fibre, nylon fibre, polyvinyl chloride fibre fiber, acrylic fiber, vinylon fibre, polypropylene fiber one or more.
Two of the object of the invention realizes by following technical measures:
A preparation for normal temperature antistatic filtering material, undertaken by following operating procedure:
(1) chemical fiber filament is dried 24 ~ 48h under 60 ~ 100 DEG C of conditions, to reduce its water content;
(2) by step (1) described chemical fiber filament physical oil-removing 30 ~ 60min under the ultrasound field effect of 20 ~ 90kHz, to remove the impurity such as the oil stain on its surface;
(3) by step (2) described chemical fiber filament pre-treatment 20 ~ 60min, to improve the adhesion of itself and plating metal;
(4) by step (3) described chemical fiber filament plating layer of metal;
(5) chemical fiber filament of step (4) described plating metal level and mixed the knitting of non-woven fabricbase cloth raw material are formed antistatic base cloth;
(6) by non-weaving cloth top layer raw material through mixing, shredding, combing, one-tenth net, centre add step (5) in antistatic base cloth, acupuncture, shaping process obtain antistatic filtering material.
Two of the object of the invention also realizes by following technical measures:
Step (3) described pre-treatment is plasma treatment, ion gun process or sided corona treatment.
Step (4) described plating be chemical plating, vacuum evaporation, physical vapor deposition one or more.
The resistance of described antistatic filtering material base cloth is 1 × 10
2~ 10
3Ω.
The present invention compared with prior art tool has the following advantages:
(1) the antistatic filtering material of prior art generally adopts chemical fibre and stainless steel fibre, conductive fiber blending woven to form, production procedure length, complex process, operability is poor, sheet resistance is bigger than normal, lack of homogeneity, the present invention adopts the chemical fiber filament of plating metal, compared with the conventional conductive fibers such as stainless steel fibre, pliability is better, there are better compatibility and adhesion with non-woven fabricbase cloth raw material, improve the service life of antistatic filtering material functional layer.
(2) the antistatic filtering material of prior art plays anti-static electrification by the conductive fiber of blending, the present invention is by the chemical fiber filament after non-woven fabricbase cloth adds plating metal, when reaching like product similar face resistance, the amount of metal of consumption is low, reduces cost.
Antistatic filtering material prepared by the inventive method, has the advantages such as static electricity resistance is good, uniformity is good, adhesion is good, can be used for the normal temperature bag-type dusting in the fields such as waste incineration, thermal power generation, cement, iron and steel, chemical industry, metallurgy.Simple, safe and reliable, easy to operate, the economic environmental protection of preparation method's technique of the present invention, is easy to scale batch production.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is described in further detail.Following examples are that normal temperature antistatic filtering material is preferably filled a prescription; these non-limiting implementation of filling a prescription; just for illustrating the present invention, the formula that those skilled in the art can filter out according to thinking of the present invention and proportioning of selecting materials completely is protection scope of the present invention.
Embodiment 1:
(1) by polyster fibre long filament drying and processing 24h under 60 DEG C of conditions;
(2) polyster fibre long filament physical oil-removing 50min under the ultrasound field effect of 40kHz of will dry;
(3) carry out plasma pre-treatment 40min by through step polyster fibre long filament (2);
(4) adopt chemical plating method, by through step polyster fibre long filament plating layer of metal nickel (3), individual layer plating layer thickness 0.1 μm;
(5) form antistatic base cloth by through step polyster fibre long filament (4) and polyester fiber non-woven fabric base cloth layer raw material by mixed the knitting of mass parts=30:70; After testing, the resistance of this antistatic filtering material base cloth is 1 × 10
3Ω;
(6) nylon fibre non-weaving cloth top layer raw material is added through mixing, shredding, combing, one-tenth net, centre and obtain antistatic filtering material through the step operation such as antistatic base cloth, acupuncture, sizing (5).
Embodiment 2:
(1) polypropylene fiber long filament is dried 36h under 100 DEG C of conditions;
(2) polypropylene fiber long filament physical oil-removing 60min under the ultrasound field effect of 20kHz of will dry;
(3) carry out corona pre-treatment 60min by through step polypropylene fiber long filament (2);
(4) adopt vacuum deposition method, by silver-colored through step polypropylene fiber long filament plating layer of metal (3), individual layer plating layer thickness 0.05 μm;
(5) form antistatic base cloth by through step polypropylene fiber long filament (4) and nylon fibre non-woven fabricbase cloth raw material by mixed the knitting of mass parts=70:30; After testing, the resistance of this antistatic filtering material base cloth is 5 × 10
2Ω.
(6) acrylic fiber non-weaving cloth top layer raw material is added through the step operation such as antistatic base cloth, acupuncture, sizing (5) through mixing, shredding, combing, one-tenth net, centre, be prepared into antistatic filtering material.
Embodiment 3:
(1) by nylon fibre fiber filament drying and processing 48h under 80 DEG C of conditions;
(2) nylon fibre long filament physical oil-removing 30min under the ultrasound field effect of 90kHz of will dry;
(3) carry out ion gun pre-treatment 20min by through step nylon fibre long filament (2);
(4) adopt physical gas-phase deposite method, by through step nylon fibre long filament plating layer of metal copper and mickel (3), individual layer plating layer thickness 1 μm;
(5) form antistatic base cloth by through step nylon fibre long filament (4) and polyester fiber non-woven fabric base cloth raw material by mixed the knitting of mass parts=100:0; After testing, the resistance of this antistatic filtering material base cloth is 1.2 × 10
2Ω;
(6) polyster fibre, nylon fibre mixing non-weaving cloth top layer raw material are added through mixing, shredding, combing, one-tenth net, centre and be prepared into antistatic filtering material through the step operation such as antistatic base cloth, acupuncture, sizing (5).
Embodiment 4
(1) by polyvinyl chloride fibre fiber long filament drying and processing 24h under 90 DEG C of conditions;
(2) polyvinyl chloride fibre fiber long filament physical oil-removing 50min under the ultrasound field effect of 40kHz of will dry;
(3) carry out plasma pre-treatment 40min by through step polyvinyl chloride fibre fiber long filament (2);
(4) adopt chemical plating method, by through step polyvinyl chloride fibre fiber long filament plating layer of metal titanium (3), individual layer plating layer thickness 0.05 μm;
(5) form antistatic base cloth by through step polyvinyl chloride fibre fiber long filament (4) and polyvinyl chloride fibre fiber non-weaving cloth base cloth layer raw material by mixed the knitting of mass parts=90:10; After testing, the resistance of this antistatic filtering material base cloth is 2.5 × 10
2Ω;
(6) polyvinyl chloride fibre fiber non-weaving cloth top layer raw material is added through mixing, shredding, combing, one-tenth net, centre and obtain antistatic filtering material through the step operation such as antistatic base cloth, acupuncture, sizing (5).
Embodiment 5
(1) by acrylic fiber long filament drying and processing 35h under 100 DEG C of conditions;
(2) acrylic fiber long filament physical oil-removing 50min under the ultrasound field effect of 30kHz of will dry;
(3) carry out corona pre-treatment 40min by through step acrylic fiber long filament (2);
(4) adopt vacuum deposition method, by through step acrylic fiber long filament plating layer of metal chromium (3), individual layer plating layer thickness 0.09 μm;
(5) form antistatic base cloth by through step acrylic fiber long filament (4) and vinylon fibre non-woven fabricbase cloth raw material by mixed the knitting of mass parts=80:20; After testing, the resistance of this antistatic filtering material base cloth is 3.5 × 10
2Ω;
(6) vinylon fibre non-weaving cloth top layer raw material is added through the step operation such as antistatic base cloth, acupuncture, sizing (5) through mixing, shredding, combing, one-tenth net, centre, be prepared into antistatic filtering material.
Embodiment 6
(1) by vinylon fibre long filament drying and processing 40h under 90 DEG C of conditions;
(2) vinylon fibre long filament physical oil-removing 30min under the ultrasound field effect of 90kHz of will dry;
(3) carry out ion gun pre-treatment by through step vinylon fibre long filament (2), the processing time is 20min;
(4) adopt physical gas-phase deposite method, by through step vinylon fibre long filament plating layer of metal titanium (3) and chromium, individual layer plating layer thickness 1 μm;
(5) form antistatic base cloth by through step vinylon fibre long filament (4) and polypropylene fiber non-woven fabricbase cloth raw material by mixed the knitting of mass parts=90:10; After testing, the resistance of this antistatic filtering material base cloth is 1.8 × 10
2Ω;
(6) polypropylene fiber non-weaving cloth top layer raw material is added through the step operation such as antistatic base cloth, acupuncture, sizing (5) through mixing, shredding, combing, one-tenth net, centre, be prepared into antistatic filtering material.
Claims (10)
1. a normal temperature antistatic filtering material, comprises non-woven fabricbase cloth and top layer, it is characterized in that, mixed the knitting of the chemical fiber filament of described non-woven fabricbase cloth and surperficial plating metal level forms antistatic base cloth layer.
2. a kind of normal temperature antistatic filtering material as claimed in claim 1, is characterized in that, described metal level be nickel, copper, silver, titanium, chromium one or more.
3. a kind of normal temperature antistatic filtering material as claimed in claim 1, it is characterized in that, described metal level thickness in monolayer is 0.05 ~ 1 μm.
4. a kind of normal temperature antistatic filtering material as claimed in claim 1, is characterized in that, chemical fiber filament and non-woven fabricbase cloth material quality ratio=(30-100) of described surperficial plating metal level: (70-0).
5. a kind of normal temperature antistatic filtering material as claimed in claim 1, is characterized in that, described normal temperature chemical fiber filament be polyster fibre, nylon fibre, polyvinyl chloride fibre fiber, acrylic fiber, vinylon fibre, polypropylene fiber one or more.
6. a kind of normal temperature antistatic filtering material as claimed in claim 1, is characterized in that, described non-woven fabricbase cloth and top layer raw material be polyster fibre, nylon fibre, polyvinyl chloride fibre fiber, acrylic fiber, vinylon fibre, polypropylene fiber one or more.
7. prepare as arbitrary in claim 1-6 as described in the method for normal temperature antistatic filtering material, it is characterized in that, carry out as follows:
(1) chemical fiber filament is dried 24 ~ 48h under 60 ~ 100 DEG C of conditions, to reduce its water content;
(2) by step (1) described chemical fiber filament physical oil-removing 30 ~ 60min under the ultrasound field effect of 20 ~ 90kHz, to remove the impurity such as the oil stain on its surface;
(3) by step (2) described chemical fiber filament pre-treatment 20 ~ 60min, to improve the adhesion of itself and plating metal;
(4) by step (3) described chemical fiber filament plating layer of metal;
(5) chemical fiber filament of step (4) described plating metal level and mixed the knitting of non-woven fabricbase cloth raw material are formed antistatic base cloth;
(6) by non-weaving cloth top layer raw material through mixing, shredding, combing, one-tenth net, centre add step (5) in antistatic base cloth, acupuncture, shaping process obtain antistatic filtering material.
8. the preparation method of a kind of normal temperature antistatic filtering material as claimed in claim 7, it is characterized in that, step (3) described pre-treatment is plasma treatment, ion gun process or sided corona treatment.
9. the preparation method of a kind of normal temperature antistatic filtering material as claimed in claim 7, is characterized in that, step (4) described plating be chemical plating, vacuum evaporation, physical vapor deposition one or more.
10. the preparation method of a kind of normal temperature antistatic filtering material as claimed in claim 7, it is characterized in that, the resistance of described antistatic filtering material base cloth is 1 × 10
2~ 10
3Ω.
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| CN201410470113.8A CN104275035B (en) | 2014-09-15 | 2014-09-15 | A kind of room temperature antistatic filtering material and preparation |
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| CN201410470113.8A CN104275035B (en) | 2014-09-15 | 2014-09-15 | A kind of room temperature antistatic filtering material and preparation |
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| CN104275035B CN104275035B (en) | 2016-08-31 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115352154A (en) * | 2022-08-25 | 2022-11-18 | 启东海大聚龙新材料科技有限公司 | Preparation method of anti-static marine cable sheath material and product thereof |
| CN115352154B (en) * | 2022-08-25 | 2024-06-07 | 启东海大聚龙新材料科技有限公司 | Preparation method of antistatic marine cable sheath material and product thereof |
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| CN203238422U (en) * | 2013-05-21 | 2013-10-16 | 温州正通包装材料有限公司 | Metal-plated non-woven cloth |
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2014
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Patent Citations (6)
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| CN1970865A (en) * | 2005-11-23 | 2007-05-30 | 黄建华 | Antibacterial nonwoven cloth made of silver fiber |
| CN101580998A (en) * | 2009-06-18 | 2009-11-18 | 浙江理工大学 | Antistatic, conductive and electromagnetic shielding textile and preparation method thereof |
| CN201459334U (en) * | 2009-06-19 | 2010-05-12 | 上海仙娉莱服饰有限公司 | Double-layer radiation-proof woven fabric with conductive silvered filaments |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115352154A (en) * | 2022-08-25 | 2022-11-18 | 启东海大聚龙新材料科技有限公司 | Preparation method of anti-static marine cable sheath material and product thereof |
| CN115352154B (en) * | 2022-08-25 | 2024-06-07 | 启东海大聚龙新材料科技有限公司 | Preparation method of antistatic marine cable sheath material and product thereof |
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| CN104275035B (en) | 2016-08-31 |
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