Preparation method of antibacterial and ultraviolet-resistant fabric based on nano titanium dioxide
A nano-titanium dioxide and anti-ultraviolet technology, which is applied in plant fibers, textiles, papermaking, fiber treatment, etc., can solve the problems of damage to cellulose fiber and fabric strength, poor hand feeling, easy wash-off, etc., and achieve soft hand feeling and high utilization of raw materials High precision and easy operation
Active Publication Date: 2015-04-15
QUANZHOU MAITEF TEXTILE TECH
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Problems solved by technology
The post-treatment method is divided into two situations: the first one is to use nano-titanium dioxide powder and dispersant binder to make a functional finishing agent to finish the fabric. Elution; the second is to use butyl titanate, acetic acid, ethanol, etc. as raw materials to prepare a sol, pad it on the fabric, and then dry and dehydrate to generate nano-titanium dioxide particles in situ. The disadvantage is that the sol is acidic and damages cellulose Fiber and Fabric Strength
Method used
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Embodiment Construction
[0014] A preparation method for antibacterial and anti-ultraviolet fibers and fabrics loaded with nano-titanium dioxide, comprising the following steps:
[0015] (1) Dissolve butyl titanate in an organic solvent, add fibers or fabrics, and perform adsorption treatment;
[0016] (2) Dry the absorbed fibers or fabrics in the air, or place them in water to obtain UV-resistant products.
[0017] (3) The fibers reacted in the air or in the aqueous solution are directly placed in the solution containing inorganic antibacterial ions for adsorption treatment to obtain antibacterial and anti-ultraviolet products.
[0018] Described organic solvent is dehydrated alcohol, acetone or Virahol etc.
[0019] In the total amount of butyl titanate and organic solvent in step (1), the volume percentage of butyl titanate is 1-20% (eg 1%, 10%, 20%).
[0020] In step (1), the bath ratio of butyl titanate solution to fabric or fiber is 1-50 (Example 1, 25, 50).
[0021] The time for adsorption t...
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Abstract
The invention discloses a preparation method of an antibacterial and ultraviolet-resistant fabric based on nano titanium dioxide. The preparation method comprises the following steps: dissolving butyl titanate in an organic solvent, adding the fabric, and carrying out adsorption treatment; and drying the adsorbed fabric in air or placing the adsorbed fabric in water so as to obtain the product, namely, the antibacterial and ultraviolet-resistant fabric. According to the preparation method disclosed by the invention, the butyl titanate is adopted as a precursor of the nano titanium dioxide; the nano titanium dioxide is generated through adsorption, in-situ hydrolysis and polymerization of the butyl titanate on the surface of cotton fibre and an internal nano-channel; the preparation method is simple and convenient to operate and high in raw material availability; furthermore, any acidic raw material is unnecessary to use; damages to fibre and fibre strength can be avoided; the product is soft in hand feel and durable in antibacterial and ultraviolet-resistant property and can be washed repeatedly.
Description
[0001] This application is a divisional application with application number: 201210197573.9, application date: 2012.6.15, and name "preparation method of antibacterial and anti-ultraviolet fibers and fabrics loaded with nano-titanium dioxide". technical field [0002] The invention relates to a method for preparing antibacterial and anti-ultraviolet fibers and fabrics loaded with nanometer titanium dioxide. Background technique [0003] For the antibacterial and anti-ultraviolet finishing of fabrics, nano-titanium dioxide is the most widely used at present. The methods for modifying fabrics or fibers by using nanometer titanium dioxide mainly include direct method and post-treatment method. The direct method refers to mixing nano-titanium dioxide with molten fibers for direct drawing, and this method is suitable for synthetic fibers. The post-treatment method refers to finishing the nano-titanium dioxide on the fabric by means of padding or bonding, and its scope of applica...
Claims
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IPC IPC(8): D06M11/46D06M101/06
Inventor 贾雪平赵永林高晓红尤克非
Owner QUANZHOU MAITEF TEXTILE TECH