CN201245740Y - Washable antistatic fabric with high shielding performance - Google Patents
Washable antistatic fabric with high shielding performance Download PDFInfo
- Publication number
- CN201245740Y CN201245740Y CNU2008202138162U CN200820213816U CN201245740Y CN 201245740 Y CN201245740 Y CN 201245740Y CN U2008202138162 U CNU2008202138162 U CN U2008202138162U CN 200820213816 U CN200820213816 U CN 200820213816U CN 201245740 Y CN201245740 Y CN 201245740Y
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- fabric
- antistatic
- lining
- shielding properties
- fabric substrate
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Abstract
The utility model discloses an anti-static fabric with washing resistant and high shielding properties. The anti-static fabric comprises a fabric basal body interweaved by weft yarns and warp yarns, wherein, conductive yarns are arranged on the fabric basal body at intervals, and an anti-static macromolecule material layer spliced through high temperature cross linking is adhered on one surface or on two surfaces of the fabric basal body. The utility model provides the anti-static fabric with washing resistant and high shielding properties, which has good anti-static performance, shielding performance and washing resistant performance.
Description
Technical field
The utility model relates to a kind of antistatic fabric, relate in particular to a kind of antistatic fabric of washable high shielding properties, the high-grade antistatic that this lining can be widely used in computer, communication, microelectronics and basic device, optical, mechanical and electronic integration, biology and high-technology fields such as medicine, new material and new forms of energy purifies garment production, the purification cleanness clothing that high-grade toilet also dustless to purifying applicable to producing, that shielding properties is had relatively high expectations uses.
Background technology
The lining shielding properties is that lining stops, the ability of filter particulates.Common lining is mainly organized by fine and close yarn itself and is shielded particulate, but lining generally forms by the filling yarn weaving, always has either large or small space between yarn.Because particulate is very little usually, its size is generally less than the space between the lining yarn between 0.1 μ m～1.0 μ m, so the part particulate can penetrate the space of lining own easily, causes working environment to pollute; So rely on separately lining to organize to shield filter dirt be difficult to adapt at present to purify, high-grade toilet instructions for use that shielding properties is had relatively high expectations.
The measure that present antistatic fabric improves antistatic performance and shielding properties mainly is to select for use all relative 0.5 grid preferably of antistatic performance and shielding properties or 0.25 grid antistatic to purify lining, again this lining is carried out the antistatic arrangement, usually adopt lining is carried out coating or pads mode, sneak into the antistatic performance that water-absorbing material or introduction hydrophilic radical or hygroscopicity resin improve lining at fibrous inside.Lining friction voltage after just handling is about 50V, and antistatic fabric friction voltage is higher, much larger than high-end customer require less than 20V.
Raising lining shielding properties is mainly handled by the high temperature calendering and is realized; The plasticity of high temperature calendering general using fiber under wet heat condition offsets fabric face, makes the lining institutional framework finer and close, thereby improves the lining shielding properties.But the lining shielding efficiency of dust filtration after arrangement generally can only reach 70%～80%, and the shield effectiveness that is difficult to reach the requirement of high-grade purification dust-free workshop is greater than 85% requirement.Washing fastness is general, antistatic performance and shielding properties are prone to bigger decay after long-time use or 50 washings, be not suitable for stablizing, lasting professional application, this type of lining is in the requirement that all more and more is difficult to satisfy high-end product aspect antistatic performance and the shielding properties.
The utility model content
The technical problems to be solved in the utility model provides the antistatic fabric of a kind of antistatic performance and advantages of good shielding performance, washable high shielding properties that washability is good.
The utility model solves above-mentioned technical problem by the following technical programs: a kind of antistatic fabric of washable high shielding properties, comprise the fabric substrate that is interwoven by weft yarn and warp thread, be interval with conductive yam on the fabric substrate, be stained with through the bonding macromolecule antistatic material layer of high-temperature cross-linking at the one or both sides of fabric substrate.
Be stained with through high-temperature cross-linking on the two sides of fabric substrate and be bonded in the macromolecule antistatic material layer in the space between fabric substrate surface and the yarn.
Described macromolecule antistatic material layer is the at high temperature common film-forming of macromolecule antistatic agent, adhesive and crosslinking agent and is bonded in the macromolecule antistatic material layer in the space between fabric substrate surface and the yarn.
The warp-wise of fabric substrate, broadwise all at interval 1.5～3.5mm conductive yam is set.
Described fabric substrate is a twill fabric.
The utility model is stained with through the bonding macromolecule antistatic material layer of high-temperature cross-linking at the one or both sides of fabric substrate, this macromolecule antistatic material layer is the hydrophilic film in even, the bonding firm softness of one deck of fabric face, firm and the good springiness of the character of film, adhesion strength is strong, water-fastly wash and dry-clean, sun-resistant and aging; The space between each yarn of fabric substrate can partly be stopped up and seal to film forming softness, good hand touch after the fabric treating, and be not clamminess; It is tightr by the high temperature calendering macromolecule antistatic material layer to be combined with yarn more in addition, and the space is littler between yarn, helps reducing the probability that particulate passes lining, thereby improves the shielding properties of lining.
Select for use to be stained with through high-temperature cross-linking to be bonded in the macromolecule antistatic material layer in the space between fabric substrate surface and weft yarn and the warp thread, can improve the shielding properties of lining on the two sides of fabric substrate.
The utility model along through, broadwise respectively at interval 1.5～3.5mm inweave conductive filament.Because the conductive filament spacing is little, and is distributed in grid, make lining form the conducting network that intensive electric conductivity is good, fricative electrostatic grounding is released.Forming the conductive fiber of conductive filament in addition in the fabric also can concentrate the electrostatic charge of fabric generation, form the irregular electric field of intensity, make all states air ionization, inhale in fiber and discharge with the opposite polarity ion of charged fiber, make the minimizing that constantly neutralizes of the fricative electrostatic charge of lining, thereby make lining tool good anti-static performance, and the influence that changed by temperature and relative air humidity is less, so lining antistatic performance lasting stability.
The utility model macromolecule antistatic material layer is the at high temperature common film-forming of macromolecule antistatic agent, adhesive and crosslinking agent and is bonded on the fabric substrate, can form the continuity hydrophilic film on the surface of antistatic fabric, improve its water absorbent surface performance, make lining increase its surperficial regain by steam in the absorbed air or that human body produces, thereby reduce the face liber sheet resistance, electric charge loss speed is accelerated.Because the lining after handling has the accumulative total from the anti-static ability of conductive fiber and suction film two aspects, so have better, stable antistatic performance.
Because the TWILL CLOTH matrix has finer and close institutional framework than plain weave, thereby particulate is had better shielding properties.Fabric substrate is except inweaving a spot of conductive fiber, and other all is a polyester filament, so lining has every characteristics of polyester filament, as have good wear-resisting, physical property such as rupture, tear.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the structural representation of the utility model embodiment;
Fig. 2 is the cutaway view of warp thread among Fig. 1.
The specific embodiment
As shown in Figure 1, 2, the local braiding of a kind of antistatic fabric of washable high shielding properties schematic diagram, because the institutional framework of antistatic fabric all is constant usually, be same lining all be relatively-stationary through broadwise institutional framework and longitude and latitude to the conductive yarn spacing, general all circulate successively according to the rule of a minimal circulation unit, Fig. 1 has just comprised a minimal circulation unit.The antistatic fabric of washable high shielding properties comprises by weft yarn 1 ', 2 ', 3 ', 4 ', 5 ', 6 ', 7 ', 8 ', 9 ', 10 ' and the fabric substrate that is interwoven of warp thread 1,2,3,4,5,6,7,8,9,10, described fabric substrate is a twill fabric, promptly adopt in the grid antistatic fabric 1/2 twill-weave structure commonly used, the warp yarn of lining is a structure once on two; Be stained with through high-temperature cross-linking on the two sides of fabric substrate and be bonded in the macromolecule antistatic material layer 101 in the space between fabric substrate surface and the yarn.Described macromolecule antistatic material layer 101 is the at high temperature common film-formings of macromolecule antistatic agent, adhesive and crosslinking agent and is bonded in the macromolecule antistatic material layer in the space between fabric substrate surface and the yarn, its firm absorption, is bonded in the surface of lining.Adhesive is the anti-high-temperature adhesives of temperature more than 180 ℃.The warp-wise of fabric substrate, broadwise all at interval 1.5～3.5mm conductive yam 113 is set, present embodiment all contains the conductive yam 113 that 2～3 conductive fibers are formed in warp thread 1,9 and weft yarn 2 ', 10 ', it has excellent conducting performance, the electrostatic charge that helps to produce disperse, shift and by the corona discharge neutralization, eliminate electric charge.The warp thread of present embodiment and weft yarn are all selected common Tynex or polyester filament for use.It mainly act as the every physical property that strengthens conductive fiber, thus more stable, the lasting performance anti-static electrification of protection conductive fiber.And the polyester fabric that is formed by weaving by polyester filament is having good performance aspect the physical property such as wear-resisting, tear-resistant, again because the polyester filament lining has fine and close yarn texture, so the shielding of lining, filter the dirt better performances.
The antistatic fabric of washable high shielding properties is to handle by treatment fluid to obtain.
Treatment fluid comprises:
(1) macromolecule antistatic agent: molecular structure itself has hydrophily moisture absorption group, and preferably have can with the active group of crosslinking agent, adhesive reaction, thereby the more firm conductive layer that forms insoluble polymer at fiber surface.Select in the compound of polyoxyethylene kind block polymer, many block types of polyester-polyethers copolymer, polyester polyether compound and high molecular weight hydrophilic polymer one or more for use.
(2) dispersant is selected for use and is in triethanolamine, polyacrylate, Sodium Polyacrylate, polycarboxylic acids ammonia salt, the polyethylene glycol one or more.
(3) stabilizing agent is selected one or more of class materials such as cellulose esters, cellulose ether, polyacrylate for use.
(4) adhesive, crosslinking agent: can be in the surface-crosslinked film forming of lining after high temperature bakes, and the macromolecule antistatic agent is adsorbed on the lining surface securely; Be in the materials such as acrylate, (methyl) acrylic compounds, polyvinyl alcohol one or more.
The preparation of treatment fluid: this treatment fluid is a kind of suspension, can use the method for physical agitation to make, and problems such as flocculation or precipitation can not appear in attention, and specific requirement is that good fluidity and stability are high.
Processing method: can select the single face coating or two-sidedly pad processing, the two-sided processing of padding is adopted in this enforcement.
The crosslinked technique for sticking of macromolecule antistatic material floor height temperature of lining:
Fabric substrate carries out two and soaks two and roll (pick-up rate 80%) in treatment fluid, oven dry bakes again earlier, then Warm Wash, and normal temperature washing then, oven dry at last gets final product.
Because lining two-sided contact treatment fluid in hopper, a part of treatment fluid rests on the lining surface behind the blow tank, again through the big pressure extrusion of padding machine, antistatic agent and adhesive are easy to be penetrated into the hole and the yarn inside of fabric substrate, fabric substrate bakes through high temperature and handles aftertreatment fluid curing then, crosslinked film forming, help film more even, go deep into firm sticking in lining surface and the hole, therefore can effectively improve the uniformity of film, adhere to fastness and increase coverage, therefore to the uniformity of the antistatic performance of lining lining, washing fastness and shielding filter dirt performance are helpful.
Antistatic, the screened film of the antistatic fabric surface adhesion after the processing has softness, level and smooth characteristics, can effectively reduce the coefficient of friction of lining, the generation of electrostatic charge in reducing friction; Antistatic, screened film have the good hydrophilicity energy in addition, the water vapour that adsorbable air or human body produce can increase the regain of lining, thereby reduces the resistivity on lining surface, also can effectively reduce the generation electrostatic charge, more than two aspects all can effectively improve the antistatic performance of lining.Antistatic, screened film tight adhesion are equivalent to second dirt filtrating screen except that lining in lining surface and hole, can stop, shield the particulate that a part has penetrated antistatic fabric, so also can effectively improve the shielding filter dirt performance of lining.Antistatic, screened film are adsorbed in the hole between lining surface and yarn closely, therefore have good bonding intensity and washing fastness.
The Specifeca tion speeification of the antistatic fabric of the washable high shielding after above-mentioned processing: friction voltage is less than 20V, and shielding, efficiency of dust filtration are greater than 85%, and washable number of times is greater than 50 times.
Claims (5)
1, a kind of antistatic fabric of washable high shielding properties, comprise the fabric substrate that is interwoven by weft yarn and warp thread, be interval with conductive yam on the fabric substrate, it is characterized in that, be stained with through the bonding macromolecule antistatic material layer of high-temperature cross-linking at the one or both sides of fabric substrate.
2, the antistatic fabric of washable high shielding properties according to claim 1 is characterized in that, is stained with on the two sides of fabric substrate through high-temperature cross-linking and is bonded in the macromolecule antistatic material layer in the space between fabric substrate surface and the yarn.
3, the antistatic fabric of washable high shielding properties according to claim 2, it is characterized in that described macromolecule antistatic material layer is the at high temperature common film-forming of macromolecule antistatic agent, adhesive and crosslinking agent and is bonded in the macromolecule antistatic material layer in the space between fabric substrate surface and the yarn.
4, the antistatic fabric of washable high shielding properties according to claim 3 is characterized in that, the warp-wise of fabric substrate, broadwise all at interval 1.5～3.5mm conductive yam is set.
5, the antistatic fabric of washable high shielding properties according to claim 4 is characterized in that, described fabric substrate is a twill fabric.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202138162U CN201245740Y (en) | 2008-11-14 | 2008-11-14 | Washable antistatic fabric with high shielding performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008202138162U CN201245740Y (en) | 2008-11-14 | 2008-11-14 | Washable antistatic fabric with high shielding performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201245740Y true CN201245740Y (en) | 2009-05-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008202138162U Expired - Lifetime CN201245740Y (en) | 2008-11-14 | 2008-11-14 | Washable antistatic fabric with high shielding performance |
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| Country | Link |
|---|---|
| CN (1) | CN201245740Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102367639A (en) * | 2011-08-26 | 2012-03-07 | 常熟市恒沁制衣有限责任公司 | Antistatic fabric |
| CN102409467A (en) * | 2011-09-27 | 2012-04-11 | 东华大学 | Interleaving and floating length mosaic latticed electromagnetic shielding woven fabric and applications thereof |
| CN102978782A (en) * | 2012-12-14 | 2013-03-20 | 北京南丁格尔科技发展有限公司 | Light and cool fabric for clothing of medical staff |
-
2008
- 2008-11-14 CN CNU2008202138162U patent/CN201245740Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102367639A (en) * | 2011-08-26 | 2012-03-07 | 常熟市恒沁制衣有限责任公司 | Antistatic fabric |
| CN102367639B (en) * | 2011-08-26 | 2013-04-17 | 常熟市恒沁制衣有限责任公司 | Antistatic fabric |
| CN102409467A (en) * | 2011-09-27 | 2012-04-11 | 东华大学 | Interleaving and floating length mosaic latticed electromagnetic shielding woven fabric and applications thereof |
| CN102978782A (en) * | 2012-12-14 | 2013-03-20 | 北京南丁格尔科技发展有限公司 | Light and cool fabric for clothing of medical staff |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20090527 |