CN103469551B - Method for preparing antibacterial and anti-ultraviolet fabric by virtue of in-situ hydrolysis, polymerization and nano-TiO2 loading - Google Patents
Method for preparing antibacterial and anti-ultraviolet fabric by virtue of in-situ hydrolysis, polymerization and nano-TiO2 loading Download PDFInfo
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- CN103469551B CN103469551B CN201310410240.4A CN201310410240A CN103469551B CN 103469551 B CN103469551 B CN 103469551B CN 201310410240 A CN201310410240 A CN 201310410240A CN 103469551 B CN103469551 B CN 103469551B
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Abstract
The invention discloses a method for preparing an antibacterial and anti-ultraviolet fabric by virtue of in-situ hydrolysis, polymerization and nano-TiO2 loading. The method comprises the following steps: dissolving butyl titanate in an organic solvent; adding a fabric and carrying out absorption treatment; drying the fabric subjected to the absorption treatment in air or putting the fabric subjected to the absorption treatment in water, thus obtaining the target product. According to the method, butyl titanate serving as a precursor of nano-TiO2 is absorbed on the surfaces and internal nano pores of cotton fibers and is hydrolyzed in situ and polymerized to generate nano-TiO2. The method has the advantages that the operation is simple, the utilization rate of raw materials is high, no acidic raw material is used, the damage to fabric and fiber strength is avoided, and the product has soft handfeel and long-lasting antibacterial and anti-ultraviolet performances and can be washed many times.
Description
The application is application number: the divisional application of 201210197573.9, the applying date: 2012.6.15, title " preparation method of antibacterial, antiultraviolet fiber, the fabric of load nano-titanium dioxide ".
Technical field
The present invention relates to a kind of preparation method of antibacterial, antiultraviolet fiber, fabric of load nano-titanium dioxide.
Background technology
Antibacterial, the anti UV finishing of fabric, what use was maximum at present is nano titanium oxide.Nano titanium oxide is utilized mainly to comprise direct method and post treatment method to the method that fabric or fiber carry out modification.Direct method refers to the direct wire drawing of fibers mixture by nano titanium oxide and melting, and this method is applicable to synthetic fiber.Post treatment method refers to and arranges nano titanium oxide on fabric by the means of padding or binding, and its scope of application is more extensive.Post treatment method is divided into two kinds of situations: the first, use nano-titanium dioxide powder and dispersant binder etc. to be made into functional finishing agent, fabric arranged, its shortcoming be feel bad, be not suitable for and wear next to the skin, and easy wash-out; The second, use butyl titanate, acetic acid, ethanol etc. to prepare colloidal sol for raw material, be padded on fabric, then drying and dewatering, in-situ preparation titanium dioxide nanoparticle, its shortcoming is colloidal sol is acid, damages the intensity of cellulose fiber peacekeeping fabric.
Summary of the invention
The object of the present invention is to provide a kind of easy and simple to handle, raw material availability is high, utilizes the preparation method of antibacterial, antiultraviolet fiber, the fabric of the load nano-titanium dioxide of in-situ hydrolysis polymerization.
Technical solution of the present invention is:
(1) butyl titanate is dissolved in organic solvent, adds fiber or fabric, adsorption treatment;
(2) fiber after absorption or fabric are placed in air drying, or are placed in water and process, obtain uvioresistant product.
(3) reacted fiber or fabric are placed in the solution adsorption treatment containing inorganic antibacterial ion, obtain antibacterial, uvioresistant product.
Reacted fiber in air or in the aqueous solution is directly placed in the solution adsorption treatment containing inorganic antibacterial ion by step (3); Or step (2) and (3) merge, the fiber after absorption or fabric are placed in the solution containing inorganic antibacterial ion, and polymerisation and adsorption treatment are synchronously carried out.
Described organic solvent is absolute ethyl alcohol, acetone or isopropyl alcohol.
In step (1) in butyl titanate and organic solvent total amount, the percent by volume of butyl titanate is 1 ~ 20%.
In step (1), the bath raio of butyl titanate solution and fabric or fiber is 1 ~ 50.
In step (1), the time of adsorption treatment is 5 minutes-2 hours, treatment temperature: room temperature ~ 70 DEG C.
In step (2), air drying dries or 40-120 DEG C of oven dry in room temperature; The described water that is placed in is when processing, and temperature is: room temperature ~ 90 DEG C, time 0.5-4.0 hour.
The present invention adopts butyl titanate to be nano titanium oxide precursor, generates nano titanium oxide, carry out uvioresistant modification to COTTON FABRIC by butyl titanate in cotton fiber surface and the absorption of inner nano pore, in-situ hydrolysis, polymerization.Utilize above-mentioned approach to carry out modification to natural fabric, not only easy and simple to handle, raw material availability is high, and does not need to use any acid material, can avoid the damage to fabric and fibre strength.Product is soft, after experiencing 50 washings, antibacterial uvioresistant performance (washing procedure: standard soap flakes liquid detergent concentration 2g/L; bath raio 1:30; 40 degree of washings 5 minutes) method is still had to be applicable to cellulose fibre and fabric thereof; as cotton, fiber crops, viscose glue and real silk fabric etc., to can be used for health-care underclothes, medical gauze, clothes, drapery etc.
Below in conjunction with embodiment, the invention will be further described.
Detailed description of the invention
A preparation method for antibacterial, antiultraviolet fiber, the fabric of load nano-titanium dioxide, comprises the following steps:
(1) butyl titanate is dissolved in organic solvent, adds fiber or fabric, adsorption treatment;
(2) fiber after absorption or fabric are placed in air drying, or are placed in water and process, obtain uvioresistant product.
(3) reacted fiber in air or in the aqueous solution is directly placed in the solution adsorption treatment containing inorganic antibacterial ion, obtains antibacterial, uvioresistant product.
Described organic solvent is absolute ethyl alcohol, acetone or isopropyl alcohol etc.
In step (1) in butyl titanate and organic solvent total amount, the percent by volume of butyl titanate is 1 ~ 20%(example 1%, 10%, 20%).
In step (1), the bath raio of butyl titanate solution and fabric or fiber is 1 ~ 50(example 1,25,50).
The time of adsorption treatment is 5 minutes-2 hours in step (1), treatment temperature: room temperature ~ 70 DEG C (example 25 DEG C, 50 DEG C, 75 DEG C).
Air drying to dry or 40-120 DEG C (example 40 DEG C, 80 DEG C, 120 DEG C) dries in room temperature in step (2); The described water that is placed in is when processing, and temperature is: room temperature ~ 90 DEG C (example 25 DEG C, 50 DEG C, 90 DEG C), time 0.5-4.0 hour (example 0.5 hour, 2 hours, 4 hours).
Step (2) and (3) can also merge by the present invention, and the fiber after step (1) absorption or fabric are placed in the solution containing inorganic antibacterial ion, and polymerisation and adsorption treatment are synchronously carried out.
Claims (2)
1. in-situ hydrolysis polymerization load nano-titanium dioxide prepares an antibacterial anti-UV fabric method, it is characterized in that: comprise the following steps:
(1) butyl titanate is dissolved in organic solvent, adds fabric, adsorption treatment; Described fabric is the fabric of cellulose fibre;
(2) fabric after absorption is placed in air drying, or is placed in water and processes, obtain uvioresistant product;
(3) reacted fabric is placed in the solution adsorption treatment containing inorganic antibacterial ion, obtains antibacterial, uvioresistant product;
In step (1) in butyl titanate and organic solvent total amount, the percent by volume of butyl titanate is 1 ~ 20%;
In step (1), the bath raio of butyl titanate solution and fabric or fiber is 1 ~ 50.
2. in-situ hydrolysis polymerization load nano-titanium dioxide according to claim 1 prepares antibacterial anti-UV fabric method, it is characterized in that: described organic solvent is absolute ethyl alcohol, acetone or isopropyl alcohol.
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CN201310410240.4A CN103469551B (en) | 2012-06-15 | 2012-06-15 | Method for preparing antibacterial and anti-ultraviolet fabric by virtue of in-situ hydrolysis, polymerization and nano-TiO2 loading |
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CN201310410240.4A CN103469551B (en) | 2012-06-15 | 2012-06-15 | Method for preparing antibacterial and anti-ultraviolet fabric by virtue of in-situ hydrolysis, polymerization and nano-TiO2 loading |
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CN 201210197573 Division CN102691203B (en) | 2012-06-15 | 2012-06-15 | Preparation method of antibacterial and anti-ultraviolet fiber/fabric loaded with nano-titania |
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CN103469551A CN103469551A (en) | 2013-12-25 |
CN103469551B true CN103469551B (en) | 2015-04-15 |
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Families Citing this family (4)
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CN103774427B (en) * | 2013-12-31 | 2016-03-02 | 吴江市七都镇庙港雅迪针织制衣厂 | Silk fabric antibiotic ultraviolet-resistant finishing agent |
CN105696308B (en) * | 2015-07-31 | 2019-08-16 | 四川大学 | The method for sorting of load nano-titanium dioxide on a kind of textile |
CN107142714A (en) * | 2017-06-02 | 2017-09-08 | 江苏金秋弹性织物有限公司 | A kind of in-situ preparation method of antibiotic ultraviolet-resistant ribbon |
CN111607959B (en) * | 2020-06-11 | 2021-05-14 | 南通大学 | Self-cleaning antibacterial deodorizing polyester fabric and finishing method thereof |
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CN101876144A (en) * | 2010-07-06 | 2010-11-03 | 西安工程大学 | Method for modifying cotton fabrics by adopting tetrabutyl titanate |
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Patent Citations (4)
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CN1676227A (en) * | 2005-04-28 | 2005-10-05 | 湖南泰鑫瓷业有限公司 | Method for manufacturing nano TO silver-carried antibacterial membrane |
CN1900410A (en) * | 2006-07-07 | 2007-01-24 | 陕西师范大学 | Method for preparing fiber with anti-violet and antibiotic property |
CN101768854A (en) * | 2009-12-29 | 2010-07-07 | 陕西科技大学 | Freon-free super hydrophobic UV resistant cotton fabric and method for preparing same |
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