CN101736594A - Manufacture method of antibacterial ultraviolet resisting electromagnetic shielding fabric - Google Patents
Manufacture method of antibacterial ultraviolet resisting electromagnetic shielding fabric Download PDFInfo
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- CN101736594A CN101736594A CN200910156692A CN200910156692A CN101736594A CN 101736594 A CN101736594 A CN 101736594A CN 200910156692 A CN200910156692 A CN 200910156692A CN 200910156692 A CN200910156692 A CN 200910156692A CN 101736594 A CN101736594 A CN 101736594A
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Abstract
The invention relates to a manufacturing method of an antibacterial ultraviolet resisting electromagnetic shielding fabric, which solves the technical problem that the fabric has both electromagnetic shielding function and excellent antibacterial and ultraviolet resistance. The technical scheme solving the technical problem is achieved as follows: after an activated fabric is plated with a metal layer, a TiO2-PU coating is coated outside the metal layer. The invention can be used for the filed of the preparation the electromagnetic shielding materials.
Description
Technical field
The present invention relates to a kind of manufacture method of fabric, especially a kind of manufacture method of antibacterial ultraviolet resisting electromagnetic shielding fabric.Be applicable to the preparation field of electromagnetic shielding material.
Background technology
Along with the development and the growth in the living standard of modern science and technology, the high-tech electric equipment products enter people's life day by day.Mobile phone, computer, TV etc. have also brought serious electromagnetic radiation bringing our amusement and simultaneously easily.Therefore being prepared in order to study focus of electromagnetic shielding material also is the technical barrier that must capture simultaneously.
Present this material mainly is to form metal composite layer by chemical plating, plating or sputter technology at fiber surface, and wherein chemical plating and plating application are more extensive, becomes the major technique of this material of preparation.Domestic representative manufacturer Zhejiang Saintyear Electronic Technologies Co., Ltd. adopts patented technology ZL200410053403.9, and the Electromagnetically shielding fabrics quality that ZL200410089513.0 produces is higher, just gradually imported product outside the subrogate country; Colleges and universities such as Institutes Of Technology Of Zhejiang, East China University of Science, Shanghai University of Science and Technology, Donghua University are also in the exploration of carrying out aspect this.
When Electromagnetically shielding fabrics has just occurred, be mainly used in electronics industry.But in recent years, along with its people to healthy growing interest, flexible shielding material has obtained development faster at civil area, the exploitation of various armored fabrics, Electromagnetically shielding fabrics, antistatic series of products has become the focus that everybody pays close attention to, the particularly appearance of pregnant woman's exposure suit is for the health of parent and fetus provides guarantee.
The Electromagnetically shielding fabrics of taking at present mainly contains two kinds: a kind of is fiber and metal wire mixed textiles, and feel is harder, and shield effectiveness is not good.Another kind is the coating product, this fabrics feel soft, owing on fabric, form continuous metal level, so effectiveness is fine.The coat of metal is generally copper, nickel or nickel-phosphorus alloy etc.
The shortcoming of taking Electromagnetically shielding fabrics in the market is the function that only has electromagnetic shielding, and this has seriously restricted the development of such textiles aspect civilian protection.Therefore, when giving the fabric electro-magnetic screen function, but make it have multifunctionalities such as antibiotic, uvioresistant automatically cleaning again, become the developing direction of following radiation-proof fabric.
Nano titanium oxide (TiO
2) be one of more nano inorganic functional material of research at present, have very strong photocatalysis, antibiotic and ultraviolet screener performance, anti-fog function, self-cleaning function etc., be widely used in fields such as sun care preparations, fabric, coating.
Its antibiotic property is meant TiO
2Under illumination to environment in inhibition or the killing action of microorganism.TiO
2Photochemical catalyst has very strong sterilizing ability to Pseudomonas aeruginosa, Escherichia coli, staphylococcus aureus etc.When bacterium is adsorbed in the photocatalysis ceramics surface that is applied by nanometer two titanium dioxide, TiO
2The active superoxide ion free radical (O that is produced behind the ultraviolet excitation
2 -) and hydroxyl radical free radical (OH
-) can penetrate the cell membrane of bacterium, destroy cellulose, enter thalline, stop the transmission of film forming matter, block its respiratory system and electric transmission system, thus kill bacteria effectively, and suppress the bacterial decomposition organic matter and produce stink substance.Therefore, nano-TiO
2Can purify air, have deodorization functions.
TiO
2Film has Superhydrophilic and super permanent under illumination, so it has anti-fog function.As apply the layer of titanium dioxide film on automobile rearview mirror, even airborne moisture or steam condense, condensed water can not form single water droplet yet, spreads over the surface equably but form moisture film, so the mist of light scattering can not take place on the surface.Break through as rainwater, also can spread rapidly at the rainwater of surface attachment becomes uniform moisture film, so just can not form the water droplet that disperses sight line, makes the rearview mirror surface keep original light, improves traveling security.If these building material surfaces such as the glass pane of skyscraper, pottery are applied the layer of titanium dioxide film, utilize the light-catalyzed reaction of titanium dioxide just can be decomposed into CO to the organic pollution that is adsorbed on titanium dioxide surface
2And O
2, together can be clean with remaining inorganic matter by rain drop erosion, thus realize self-cleaning function.
Nano titanium oxide itself does not have the group that can combine with fabric, depends merely on its specific surface and can not realize strong bonded to fabric therefore needing to use a certain amount of adhesive.How choosing qualified adhesive, when how to guarantee that Electromagnetically shielding fabrics keeps electro-magnetic screen function, have antibiotic uvioresistant performance again, is the technical barrier that is faced at present.
Summary of the invention
The technical problem to be solved in the present invention is: for addressing the above problem, disclose a kind of manufacture method of resisting ultraviolet resisting electromagnetic shielding fabric, when making this fabric have electro-magnetic screen function, also have antibiotic, uvioresistant function.
For addressing the above problem, basic design of the present invention is: aqueous polyurethane adhesive have the adhesion strength height, low temperature resistant, pliability good, advantage such as environmentally friendly.If nano titanium oxide is dispersed in the aqueous polyurethane adhesive; both can improve the light aging phenomenon of aqueous polyurethane; can utilize the Superhydrophilic of titanium dioxide surface again; when making the Electromagnetically shielding fabrics that scribbles the aqueous polyurethane protective layer that contains titanium dioxide have multiple function such as antifouling antifog, sterilization, uvioresistant; this coating has also protected the coat of metal to avoid wearing and tearing and pollution, thereby makes it have lasting capability of electromagnetic shielding.
The technical solution adopted in the present invention is: a kind of manufacture method of antibacterial ultraviolet resisting electromagnetic shielding fabric is characterized in that comprising following operation:
1, the fabric after will activating is put into chemical nickel phosphorus plating liquid, in 60 ℃ of reactions 30 minutes, the composition of described chemical nickel phosphorus plating liquid was under electromagnetic agitation: contain nickel sulfate hexahydrate 20～30 grams in per 1 liter of plating bath, trisodium citrate 10～15 grams, inferior sodium phosphate 20～30 grams, sodium acetate 15～25 grams.
2, with percentage by weight titanium dioxide 1～15%, curing agent 0～10%, all the other are that aqueous polyurethane adhesive (PU) proportioning is mixed thoroughly, obtain dressing liquid.
3, with the textiles after the chemical plating through the washing, apply described dressing liquid, promptly obtain described antibacterial ultraviolet resisting electromagnetic shielding fabric through heat setting machine with 100～150 ℃ of oven dry again.
Described fabric is the blended cloth of nylon cloth, woven dacron or nylon and terylene.
The preferred water-based aliphatic polyurethane of described aqueous polyurethane adhesive dispersion; Titanium dioxide is Nano titanium dioxide; Curing agent is polyisocyanate curing agent, nitrogen pyridine crosslinking agent or their compound.
Described chemical nickel phosphorus plating liquid PH is preferably 7, realizes by the proportional quantity of regulating each composition of chemical nickel phosphorus plating liquid.
Activated textile in the step 1 can adopt the method for Chinese patent ZL200810040170.7 to produce.
The invention has the beneficial effects as follows: by above-mentioned operation as can be seen, be nickel-phosphorus alloy coating in the middle of this fabric, have excellent capability of electromagnetic shielding, the TiO of outside
2-PU coating makes it have antibiotic, uvioresistant, the multiple performance of automatically cleaning again; Under the protection of coating and coating, this fabric also has good anti-corrosion.
Description of drawings
Fig. 1 is the structural representation of fabric single fiber of the present invention.
Fig. 2 is the stereoscan photograph of the Electromagnetically shielding fabrics that obtains behind the embodiment one nylon base chemical plating nickel-phosphorus alloy.
Fig. 3 is the stereoscan photograph of embodiment one nylon base antibacterial ultraviolet resisting electromagnetic shielding fabric.
Fig. 4 is the stereoscan photograph of embodiment three terylene base material antibacterial ultraviolet resisting electromagnetic shielding fabrics.
Fig. 5 is a process chart of the present invention.
The specific embodiment
The structure of fabric single fiber of the present invention as shown in Figure 1, wherein 1 is nylon or terylene, 2 is nickel-phosphorus alloy coating, 3 is TiO
2-PU coating.The invention will be further described below in conjunction with embodiment.
Embodiment one:
Nylon cloth is a base material after the activation that present embodiment employing ternary electronics technology Co., Ltd produces, and preparation process is as follows:
1, will activate the back nylon cloth and put into chemical nickel phosphorus plating liquid, under electromagnetic agitation, react 30 minutes in 60 ℃.The plating bath main component is: nickel sulfate hexahydrate 22 grams per liters, trisodium citrate 15 grams per liters, inferior sodium phosphate 23 grams per liters, sodium acetate 17 grams per liters.
2, mix thoroughly with percentage by weight nano titanium oxide 3%, aqueous polyurethane adhesive (PU series) 97% proportioning, obtain dressing liquid.
Textiles after the chemical plating is applied above-mentioned dressing liquid after washing, more polyfunctional Electromagnetically shielding fabrics such as antibiotic, uvioresistant that obtains promptly with 120 ℃ of oven dry that present embodiment makes through heat setting machine.
After tested as can be known: product surface side's resistance reaches 0.1-0.2 Ω/, and shield effectiveness surpasses 30dB, 4～5 grades of crocking resistances, and UPF index 68.5, simultaneously, arrangement back fabric has antibiotic property preferably, and bacterium reduces percentage and can reach more than 75%.
In above-mentioned test, square resistance adopts the test of DMR-1C type side resistance instrument; Shield effectiveness is according to formula S E=R+A=[50+10log (ρ f)
-1]+1.7d (f/ ρ)
1/2Calculate ρ in the formula-screen specific insulation (Ω cm); F-frequency (MHz); D-thickness of coating (cm); Crock fastness is tested according to standard GB/T3920-1997 " textile color stability test colour fastness to rubbing "; The fabric uvioresistant performance is tested with reference to AATCC Test Method183-2000 method; Antibacterial tests is carried out with reference to FZ/T01021-92 antibacterial fabric performance test methods, and the back method of testing is identical therewith with standard.
Embodiment two:
Nylon cloth is a base material after the activation that present embodiment employing ternary electronics technology Co., Ltd produces, and preparation process is as follows:
1, will activate the back nylon cloth and put into chemical nickel phosphorus plating liquid, under electromagnetic agitation, react 30 minutes in 60 ℃.The plating bath main component is: nickel sulfate hexahydrate 25 grams per liters, trisodium citrate 13 grams per liters, inferior sodium phosphate 22 grams per liters, sodium acetate 20 grams per liters.
2, mix thoroughly and obtain dressing liquid with percentage by weight nano titanium oxide 5%, polyisocyanate curing agent 1%, water-based aliphatic polyurethane dispersion (this example adopts and spins the PU328 series that the auxiliary reagent factory produces in Taixing City) 94% proportioning.
Textiles after the chemical plating is applied above-mentioned dressing liquid after washing, more polyfunctional Electromagnetically shielding fabrics such as antibiotic, uvioresistant that obtains promptly with 130 ℃ of oven dry that present embodiment makes through heat setting machine.
Obtain the multifunction electromagnetic loomage through above-mentioned steps, product surface side's resistance reaches 0.1-0.2 Ω/, and shield effectiveness surpasses 30dB, 4～5 grades of crocking resistances, UPF index 72.8, simultaneously, arrangement back fabric has antibiotic property preferably, and bacterium reduces percentage and can reach more than 80%.
Embodiment three:
Woven dacron is a base material after the activation that present embodiment employing ternary electronics technology Co., Ltd produces, and preparation process is as follows:
1, will activate the back woven dacron and put into chemical nickel phosphorus plating liquid, under electromagnetic agitation, react 30 minutes in 60 ℃.The plating bath main component is: nickel sulfate hexahydrate 27 grams per liters, trisodium citrate 15 grams per liters, inferior sodium phosphate 24 grams per liters, sodium acetate 18 grams per liters.
2, mix thoroughly and obtain dressing liquid with percentage by weight nano titanium oxide 7%, nitrogen pyridine crosslinking agent 2%, aqueous polyurethane adhesive (PU series) 91% proportioning.
Textiles after the chemical plating is applied above-mentioned dressing liquid after washing, more polyfunctional Electromagnetically shielding fabrics such as antibiotic, uvioresistant that obtains promptly with 120 ℃ of oven dry that present embodiment makes through heat setting machine.
Product surface side's resistance reaches 0.1-0.2 Ω/, and shield effectiveness surpasses 30dB, 4～5 grades of crocking resistances, and UPF index 78.6, simultaneously, arrangement back fabric has antibiotic property preferably, and bacterium reduces percentage and can reach more than 80%.
Embodiment four:
The blended cloth of nylon and terylene is a base material after the activation that present embodiment employing ternary electronics technology Co., Ltd produces, and preparation process is as follows:
1, will activate the back woven dacron and put into chemical nickel phosphorus plating liquid, under electromagnetic agitation, react 30 minutes in 60 ℃.The plating bath main component is: nickel sulfate hexahydrate 25 grams per liters, trisodium citrate 13 grams per liters, inferior sodium phosphate 22 grams per liters, sodium acetate 20 grams per liters.
2, mix thoroughly and obtain dressing liquid with percentage by weight nano titanium oxide 10%, nitrogen pyridine crosslinking agent 3%, polyisocyanate curing agent 2%, water-based aliphatic polyurethane dispersion (this example adopts and spins the PU628 series that the auxiliary reagent factory produces in Taixing City) 85% proportioning.
Textiles after the chemical plating is applied above-mentioned dressing liquid after washing, promptly obtain polyfunctional Electromagnetically shielding fabrics such as the present invention is antibiotic, uvioresistant with 130 ℃ of oven dry through heat setting machine again.
Product surface side's resistance reaches 0.1-0.2 Ω/, and shield effectiveness surpasses 30dB, 4～5 grades of crocking resistances, and UPF index 79.3, simultaneously, arrangement back fabric has antibiotic property preferably, and bacterium reduces percentage and can reach more than 80%.
Activated textile all adopts the activation method of patent ZL200810040170.7 to activate in the foregoing description.The aqueous polyurethane adhesive that uses all can be buied on market.
For reaching best implementation result, the proportioning of described chemical nickel phosphorus plating liquid, under the requirement of at first satisfying technique scheme, the best consumption of each composition of balance, the chemical nickel phosphorus plating liquid after proportioning is finished is neutral, and promptly PH is 7.
Claims (5)
1. the manufacture method of an antibacterial ultraviolet resisting electromagnetic shielding fabric is characterized in that comprising following operation:
1.1, the fabric after will activating puts into chemical nickel phosphorus plating liquid, under electromagnetic agitation, reacted 30 minutes in 60 ℃, the composition of described chemical nickel phosphorus plating liquid is: each rises and contains nickel sulfate hexahydrate 20～30 grams in the plating bath, trisodium citrate 10～15 grams, inferior sodium phosphate 20～30 grams, sodium acetate 15～25 grams.
1.2, with percentage by weight titanium dioxide 1～15%, curing agent 0～10%, all the other are that the aqueous polyurethane adhesive proportioning is mixed thoroughly, obtain dressing liquid.
1.3, the textiles after the chemical plating is applied described dressing liquid after washing, promptly obtain described antibacterial ultraviolet resisting electromagnetic shielding fabric through heat setting machine with 100～150 ℃ of oven dry again.
2. the manufacture method of antibacterial ultraviolet resisting electromagnetic shielding fabric according to claim 1, it is characterized in that: described fabric is the blended cloth of nylon cloth, woven dacron or nylon and terylene.
3. the manufacture method of antibacterial ultraviolet resisting electromagnetic shielding fabric according to claim 1, it is characterized in that: described aqueous polyurethane adhesive is a water-based aliphatic polyurethane dispersion.
4. the manufacture method of fabric according to claim 1, it is characterized in that: described titanium dioxide is Nano titanium dioxide.
5. the manufacture method of antibacterial ultraviolet resisting electromagnetic shielding fabric according to claim 1, it is characterized in that: described curing agent is polyisocyanate curing agent, nitrogen pyridine crosslinking agent or their compound.
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| CN2009101566928A CN101736594B (en) | 2009-12-29 | 2009-12-29 | Manufacture method of antibacterial ultraviolet resisting electromagnetic shielding fabric |
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|---|---|---|---|
| CN2009101566928A CN101736594B (en) | 2009-12-29 | 2009-12-29 | Manufacture method of antibacterial ultraviolet resisting electromagnetic shielding fabric |
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| CN101736594B CN101736594B (en) | 2012-07-04 |
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| CN102398397A (en) * | 2010-09-16 | 2012-04-04 | 厚生股份有限公司 | Anti-yellowing thermoplastic polyurethane fabric and manufacturing method thereof |
| CN103469594A (en) * | 2013-09-05 | 2013-12-25 | 东华大学 | Sorting method capable of improving anti-fuzzing performance of sung brocade fabric |
| CN103485187A (en) * | 2013-09-16 | 2014-01-01 | 苏州志向纺织科研股份有限公司 | Finishing process for self-cleaning anti-bacterial and odor-resistant multifunctional dacron fabric |
| CN103526395A (en) * | 2013-09-29 | 2014-01-22 | 吴江市凌通纺织整理有限公司 | Multifunctional washing-free fabric |
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| CN107675489A (en) * | 2017-09-20 | 2018-02-09 | 安徽劲派纺织服饰有限公司 | A kind of processing method of outdoor nylon fabric ultraviolet-proof |
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| CN108906129A (en) * | 2018-06-22 | 2018-11-30 | 东华大学 | It is a kind of based on composite electroless-plating fiber base nickel-loaded/optically catalytic TiO 2 degradable material preparation method |
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| CN100344820C (en) * | 2005-12-26 | 2007-10-24 | 东华大学 | Fiber or fabric for shielding electromagnetic wave and preventing ultraviolet, and preparation method thereof |
| CN101349011A (en) * | 2007-07-17 | 2009-01-21 | 江苏宇豪纺织有限公司 | High-efficiency antibiotic, anti-crease, anti-ultraviolet full cotton and polyester cotton special finishing method |
| CN101287354B (en) * | 2008-05-29 | 2011-06-08 | 东华大学 | Electro-magnetic shielding material of tin-nickel alloy and preparing method thereof |
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| CN102398397A (en) * | 2010-09-16 | 2012-04-04 | 厚生股份有限公司 | Anti-yellowing thermoplastic polyurethane fabric and manufacturing method thereof |
| CN103469594A (en) * | 2013-09-05 | 2013-12-25 | 东华大学 | Sorting method capable of improving anti-fuzzing performance of sung brocade fabric |
| CN103485187A (en) * | 2013-09-16 | 2014-01-01 | 苏州志向纺织科研股份有限公司 | Finishing process for self-cleaning anti-bacterial and odor-resistant multifunctional dacron fabric |
| CN103526395A (en) * | 2013-09-29 | 2014-01-22 | 吴江市凌通纺织整理有限公司 | Multifunctional washing-free fabric |
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| CN105421094A (en) * | 2015-11-04 | 2016-03-23 | 海宁市金佰利纺织有限公司 | Beautiful brocade lint and preparation method thereof |
| CN106149353A (en) * | 2016-07-01 | 2016-11-23 | 广东鹏运实业有限公司 | A kind of multifunctional nano automatically cleaning clothes finishing agent and preparation method thereof |
| CN107675489A (en) * | 2017-09-20 | 2018-02-09 | 安徽劲派纺织服饰有限公司 | A kind of processing method of outdoor nylon fabric ultraviolet-proof |
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| CN108906129A (en) * | 2018-06-22 | 2018-11-30 | 东华大学 | It is a kind of based on composite electroless-plating fiber base nickel-loaded/optically catalytic TiO 2 degradable material preparation method |
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| WO2023102845A1 (en) * | 2021-12-09 | 2023-06-15 | 陆一平 | Cascaded material surface active catalytic structure |
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