CN100344821C - Silk fabric electromagnet shield effect synergism method - Google Patents
Silk fabric electromagnet shield effect synergism method Download PDFInfo
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- CN100344821C CN100344821C CNB2005101227615A CN200510122761A CN100344821C CN 100344821 C CN100344821 C CN 100344821C CN B2005101227615 A CNB2005101227615 A CN B2005101227615A CN 200510122761 A CN200510122761 A CN 200510122761A CN 100344821 C CN100344821 C CN 100344821C
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Abstract
The present invention relates to a method for increasing an electromagnetic shielding effect of real silk fabrics, which belongs to the technical field of textile dyeing and finishing. The present invention uses modified emulsion to soak, dry and bake real silk or real silk/silver fiber compound fabrics; on the basis that the good hand feeling of real silk fibers is kept, the electromagnetic shielding effect of real silk fabrics is increased. The modified emulsion is composed of (by weight) 3 to 10 % of nano carbon black powder, 0.5 to 1.2 % of emulsifier and 0.3 to 0.8 % of adhesives, wherein the emulsifier is one of alkyl ether sulfate, fatty acid sulfate, alkyl-naphthalene sulfonate, alkylamine sulfonate, polyoxyethylene alkyl ether, and polyoxyethylene aryl ether; the adhesives are methyl methacrylate or acrylonitrile modified low-temperature soft additives. The treating method has advantages of less environment pollution, simple manufacturing process and low cost, and provides possibility for developing electromagnetic shielding-resistant and antistatic face fabrics required by different consumption classes.
Description
Technical field
The present invention relates to a kind of method of silk fabric electromagnet shield effect synergism, particularly a kind of employing nanometer carbon black modified emulsion is handled real silk, real silk/silver-colored composite fiber fabric, realizes improving the method for electromagnet shield effect value, belongs to the textile dyeing and finishing technical field.
Background technology
At present domestic and international Electromagnetically shielding fabrics is mainly based on metal fibre, carbon fiber, electrically conductive organic fibre.Electrically conductive organic fibre particularly, every performance indications of it and common synthetic fiber are more or less the same.
Metal fibre: as stainless steel fibre, iron fiber and brass fiber etc.But metal fibre is than great, and coefficient of friction is big, and tenacity of fibre is poor.Stainless steel fibre has anti electromagnetic wave, antistatic, conduction, effect such as high temperature resistant.The thinnest 2 μ m that reach of stainless steel fibre of industrialization at present are generally 8～22 μ m.Adopt stainless steel fibre and other chemical fibre, cotton fiber blending to form Electromagnetically shielding fabrics.But also exist in the metal fibre spinning metal fibre Shu Buyi drawing-off, spun yarn thickness joint many, mix problem such as irregular, end breakage rate height.
Conductive fiber: be to utilize modes such as chemical plating, vacuum plating, polymerization, make metal attached to forming metalized fibers on the fiber surface, or mix metal particulate matter, be pumped into the fiber of electric conductivity or magnetic conductivity again through fusion at fibrous inside.With conductive fiber filled high polymer material, also be one of preparation macromolecular material electromagnetic shielding method.
Electrically conductive organic fibre: with the powder body material of metal, metal ion or the electric conductivity of electric conductivity by electroless plating or coordination in conjunction with etc. method stick to common synthetic fiber surface, can keep the performance and the feel of original fabric.Conductive metal of selecting for use or electric conductivity powder have: silver, copper, nickel and carbon class conductive material etc.
The method that exploitation electromagnetic shielding weaving face fabric mainly adopts has: galvanoplastic, composite spinning method, co-blended spinning method and metallized fabrics etc.
The domestic processing method that relates to electromagnetic shielding fiber or fabric has following several at present.
Publication number is to have described by polyaniline, polyamide and adulterant three components in the patent of invention " polyaniline/polyamide conductive fibers and preparation method thereof " of CN1316554 to form, and adopts the wet spinning technology to make conductive fiber.
Publication number is to have described by the organic sulfonate and the polyacrylonitrile of polyaniline in the patent of invention " polyaniline/polyacrylonitrile composite conducting fiber and preparation method thereof " of CN1450210 to form, and adopts the wet spinning technology to make conductive fiber.
Publication number is to have described in the patent of invention " Electromagnetically shielding fabrics and preparation method thereof " of CN1236839 fabric is carried out the coat of metal, through alligatoring, sensitization and activation, reinforcement to host material, adopt electroless plating method twice, obtain the Electromagnetically shielding fabrics of the specific conductive metal film of the even plating one deck of a kind of fiber surface.
Publication number is to have described special fibre in the patent of invention " antistatic uvioresistant electromagnetically-shielding multifunctional health fabric " of CN1288983 to weave with general substrate fiber, uses chemistry " plating " film method to handle again and prepares Electromagnetically shielding fabrics.
Publication number is to have described the chemical reaction that forms between with electronq donor solution and electron acceptor solution on the fabric parent surface in the patent of invention " manufacture method of a kind of fibre fabric and uses thereof " of CN1450223, makes the electromagnetic shielding product.
Publication number is to have described the method for carrying out metalized on the fabric fibre surface in the patent of invention " preparation method of the conductive fabric by Cement Composite Treated by Plasma " of CN1436889, and with low temperature plasma equipment the fabric fibre surface is handled, increase the corrasion of fabric face.
Publication number is to have described the first chemical plating layer of metal nickel after surface coarsening, sensitization, activation with woven dacron or POLYAMIDE FABRIC in the patent of invention " a kind of ambrose alloy composition metal fabric and preparation method thereof " of CN1558017; the re-plating layer of copper is as the intermediate layer; and then electroplate one deck nickel protection layer, form the metal fabric of Ni-Cu-Ni functional layer.
Publication number is to have described in the patent of invention " method of fabric face metallized processing " of CN1400354 to utilize Low Temperature Plasma Treating to realize cleaning surfaces, etching and activation to fabric, adopt inorganic metal salt at polymer surface coating, with hydrogen gas plasma reduction, obtain the surface metalation fabric that combines with chemical bond between coating and the matrix.
Publication number is to have described employing electroless copper and electronickelling in the patent of invention " a kind of electromagnetic screen textile and preparation method thereof " of CN1587494, form copper nickel composite metal conducting film at substrate surface, prepare electromagnetic screen textile, substrate fiber is nylon, terylene, acrylic fibers.
Publication number is to have described in the patent of invention " antistatic, radiation-proof fabric " of CN1274774 stainless steel is drawn the ultra micro filament, hand over silk, yarn and or make composite yarn, be made into fabric then.
From the whole bag of tricks of above-mentioned disclosed preparation electromagnetic shielding as can be known, cardinal principle is by electroless plating method, metallized fabrics, composite spinning method, co-blended spinning method etc., improve the electric conductivity and the electromagnet shield effect of substrate surface, technology is comparatively complicated, production cost is higher, and is not suitable for the processing to real silk fabric.
Summary of the invention
The objective of the invention is to overcome the deficiency that prior art exists, the method that a kind of technology is simple, outstanding effect improves real silk, real silk/silver-colored composite fiber fabric electromagnet shield effect value is provided.
Technical solutions according to the invention are: a kind of method of silk fabric electromagnet shield effect synergism is provided, it is characterized in that:
(1) adopt cocoon fiber, or with cocoon fiber and cotton fiber, silver-colored fiber composite, make real silk or real silk/silver-colored composite fiber fabric, wherein, cocoon fiber content is 60～100%, and silver-colored fiber content is 0～40%, and cotton fiber content is 0～40%;
(2) mix with nanometer carbon black powder, emulsifying agent, adhesive, be prepared into modified emulsion, wherein, by weight percentage: nanometer carbon black powder 3～10%, emulsifying agent 0.5～1.2%, adhesive 0.3～0.8%, all the other are water; Described emulsifying agent is a kind of in alkyl ether sulfate, aliphatic acid sulfate, alkylnaphthalene sulfonate, alkylamine sulfonate, polyoxyethylene alkyl ether, the polyoxyethylene aryl ether; Described adhesive is the low temperature soft type adhesive of methyl methacrylate or acrylonitrile modification;
(3) with above-mentioned modified emulsion real silk or real silk/silver-colored fibre composite fabric employing are padded, dry, bake PROCESS FOR TREATMENT.
The particle diameter of described nanometer carbon black powder is 10～60nm.
Described real silk or real silk/silver-colored composite fiber fabric is the woven fabric or the knitted fabric of real silk or real silk/silver-colored composite fibre.
Described silver-colored fiber is the fiber that evenly covers one deck silver on the host material surface, and host material is polyamide fibre or polyster fibre.
Compared with prior art, the present invention has following advantage:
1, modified emulsion of the present invention is handled real silk knitted or woven fabric, can make the real silk fabric of low content conductive material (as silver-colored fiber) improve the electromagnet shield effect value, make the real silk fabric that does not contain conductive material can have antistatic behaviour and electric conductivity, thereby, improved the added value of real silk fabric, for anti-electromagnetic shielding and the antistatic lining of developing different hierarchy of consumption demands provides possibility.
2, owing to used the conductive material of nanometer carbon black powder as anti-electromagnetic shielding, on the basis that does not increase conductive material (as silver-colored fiber) content, make real silk fabric obtain higher electromagnet shield effect value, therefore, reduced the processing cost of anti-electromagnetic shielding lining effectively.
3, emulsifying agent, adhesive rationally selects for use, make the nanometer carbon black powder that good dispersiveness and stable be arranged in emulsion, can not only increase the distributing homogeneity of conductive powder and cocoon fiber and combine fastness, and keep the good soft feel of cocoon fiber preferably.
4, technical solutions according to the invention, environmental pollution is little, and technology is simple, and process equipment is conventional processing, therefore, technology maturation, as easy as rolling off a log promoting the use of.
The specific embodiment
Embodiment one:
Textile raw material consists of: real silk 70%, blended yarn (wherein, cotton 80%, matrix are the filamentary silver conductive yam 20% of polyamide fibre) 30%; The method of electromagnet shield effect synergism comprises the steps:
1, by existing processing mode above-mentioned real silk/silver-colored composite fibre is prepared into woven fabric;
2, by existing usual manner come unstuck, processing technology such as dyeing, arrangement;
3, preparation modified emulsion, mainly be made up of emulsifying agent, nanometer carbon black powder, adhesive, be by weight percentage: particle diameter is the nanometer carbon black powder 7～10% about 20nm, emulsifying agent aliphatic acid sulfate 0.5～1.2%, adhesive methyl methacrylate 0.3～0.8%, all the other are water; Get nanometer carbon black synergy modified emulsion with ultrasonic equipment or the emulsification of high speed shear mulser.
4, with above-mentioned modified emulsion the real silk that is prepared into/silver-colored composite fibre woven fabric is adopted and roll baking process, technological process is: two soak two roll → dry → bake (washing → oven dry).Technological parameter is: pick-up rate 60～90%, 90～105 ℃ of bake out temperatures, 120～145 ℃ of baking temperatures bake time 3～5min, finish processing, use the electromagnet shield effect value of the real silk fabric of present embodiment method processing to increase by 10～20dB silk fabric electromagnet shield effect synergism.。
Embodiment two:
The textile raw material that present embodiment adopts consists of: real silk 85%, matrix are the silver-colored fiber 15% of terylene; The method of electromagnet shield effect synergism comprises the steps:
1, by existing processing mode above-mentioned real silk/silver-colored fiber production is become the eedle fabric;
2, by existing conventional processing mode above-mentioned fabrics is carried out pre-treatment, dyeing, arrangement processing;
3, preparation modified emulsion, by weight percentage: particle diameter is the nanometer carbon black powder 3～6% about 50nm, emulsifier polyoxyethylene alkyl ether 0.5～1.2%, the low temperature soft type adhesive 0.3～0.8% of acrylonitrile modification gets nanometer carbon black synergy modified emulsion with ultrasonic equipment or the emulsification of high speed shear mulser.
4, electromagnet shield effect synergy is handled: with above-mentioned modified emulsion baking process is rolled in the real silk/silver-colored composite fibre knitted fabric employing that is prepared into, technological process is: two soak two roll → dry → bake (washing → oven dry).Technological parameter is: pick-up rate 60～90%, and 90～105 ℃ of bake out temperatures, 120～145 ℃ of baking temperatures bake time 3～5min, and the electromagnet shield effect value of the real silk knit goods after the processing increases by 10～15dB.
Claims (4)
1, a kind of method of silk fabric electromagnet shield effect synergism is characterized in that:
(1) adopt cocoon fiber, or with cocoon fiber and cotton fiber, silver-colored fiber composite, make real silk or real silk/silver-colored composite fiber fabric, wherein, cocoon fiber content is 60～100%, and silver-colored fiber content is 0～40%, and cotton fiber content is 0～40%;
(2) mix with nanometer carbon black powder, emulsifying agent, adhesive, be prepared into modified emulsion, wherein, by weight percentage: nanometer carbon black powder 3～10%, emulsifying agent 0.5～1.2%, adhesive 0.3～0.8%, all the other are water; Described emulsifying agent is a kind of in alkyl ether sulfate, aliphatic acid sulfate, alkylnaphthalene sulfonate, alkylamine sulfonate, polyoxyethylene alkyl ether, the polyoxyethylene aryl ether; Described adhesive is the low temperature soft type adhesive of methyl methacrylate or acrylonitrile modification;
(3) with above-mentioned modified emulsion real silk or real silk/silver-colored fibre composite fabric employing are padded, dry, bake PROCESS FOR TREATMENT.
2, the method for a kind of silk fabric electromagnet shield effect synergism according to claim 1 is characterized in that: the particle diameter of described nanometer carbon black powder is 10～60nm.
3, the method for a kind of silk fabric electromagnet shield effect synergism according to claim 1 is characterized in that: described real silk or real silk/silver-colored composite fiber fabric is the woven fabric or the knitted fabric of real silk or real silk/silver-colored composite fibre.
4, the method for a kind of silk fabric electromagnet shield effect synergism according to claim 1 is characterized in that: described silver-colored fiber is the fiber that evenly covers one deck silver on the host material surface, and host material is polyamide fibre or polyster fibre.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005101227615A CN100344821C (en) | 2005-12-01 | 2005-12-01 | Silk fabric electromagnet shield effect synergism method |
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2005101227615A CN100344821C (en) | 2005-12-01 | 2005-12-01 | Silk fabric electromagnet shield effect synergism method |
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| Publication Number | Publication Date |
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| CN1776084A CN1776084A (en) | 2006-05-24 |
| CN100344821C true CN100344821C (en) | 2007-10-24 |
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| CNB2005101227615A Expired - Fee Related CN100344821C (en) | 2005-12-01 | 2005-12-01 | Silk fabric electromagnet shield effect synergism method |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102011242A (en) * | 2010-11-02 | 2011-04-13 | 温金根 | Anti-radiation real silk fabric |
| CN102522138B (en) * | 2011-11-15 | 2013-11-06 | 中国科学院上海应用物理研究所 | Carbon nanometer material-cotton fiber composite conductive material, and preparation method and use thereof |
| CN104562657A (en) * | 2015-02-03 | 2015-04-29 | 湖州吉昌丝绸有限公司 | Novel multi-ion silk fiber fabric and preparation method thereof |
| CN105686159B (en) * | 2016-03-14 | 2018-02-02 | 浙江大学 | A kind of method that gauze mask chip is prepared using fibroin plate cocoon |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2079272A1 (en) * | 1993-07-02 | 1996-01-01 | Textiles Y Acabados Del Sur S | Process for conferring infrared ray refraction characteristics on a fabric, and product for implementing the process |
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Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2079272A1 (en) * | 1993-07-02 | 1996-01-01 | Textiles Y Acabados Del Sur S | Process for conferring infrared ray refraction characteristics on a fabric, and product for implementing the process |
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