CN101876144B - Method for modifying cotton fabrics by adopting tetrabutyl titanate - Google Patents
Method for modifying cotton fabrics by adopting tetrabutyl titanate Download PDFInfo
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- CN101876144B CN101876144B CN2010102181520A CN201010218152A CN101876144B CN 101876144 B CN101876144 B CN 101876144B CN 2010102181520 A CN2010102181520 A CN 2010102181520A CN 201010218152 A CN201010218152 A CN 201010218152A CN 101876144 B CN101876144 B CN 101876144B
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Abstract
The invention discloses a method for modifying cotton fabrics by adopting tetrabutyl titanate, which comprises the following steps: ultrasonically oscillating and cleaning the cotton fabrics at 60-90 DEG C, and then, drying the cotton fabrics; weighing the cotton fabrics and tetrabutyl titanate according to the mass ratio of 2-4:1; dissolving the tetrabutyl titanate in deionized water according to the volume ratio of 1:10-100, and then, soaking the cotton fabrics in the tetrabutyl titanate solution for treating for 10-30min; then, adding the tetrabutyl titanate solution into a high-temperature and high-pressure reaction kettle, filling the deionized water into the reaction kettle until 60-80% of volume of the reaction kettle is filled, sealing, and treating for 3-6h at the constant temperature of 80-130 DEG C; taking out the cotton fabrics after reaction; washing the cotton fabrics with washing liquid for 10-20min at 70-90 DEG C according to the bath ratio of 1:30-50; repeatedly washing the cotton fabrics with hot water and cold water; and then, drying or naturally airing the cotton fabrics to obtain the modified cotton fabrics. The method of the invention is safe and pollution-free, has high production efficiency and simple and convenient operation and saves raw materials; and the modified cotton fabrics have good anti-ultraviolet and anti-bacterial properties and washing resistance.
Description
Technical field
The invention belongs to function textile material technical field, relate to a kind of method of modifying of COTTON FABRIC, be specifically related to a kind of method that adopts butyl titanate COTTON FABRIC to be carried out modification.
Background technology
COTTON FABRIC has good ventilative and comfort property, but uvioresistant, anti-microbial property are relatively poor, therefore are necessary it is carried out functional treatment.Anatase-phase nano titanium dioxide powder has good uvioresistant and anti-microbial property; Nano-titanium dioxide powder is combined with COTTON FABRIC; Can protect people's health to avoid the ultraviolet ray infringement, reduce transmission and antibiotic effect, development prospect is huge.The Hydrothermal Preparation nano titanium oxide has environmental friendliness, and purity is high, uniform particles, and good dispersion without high temperature sintering, is prone to realize plurality of advantages such as suitability for industrialized production high quality of products.Adopt hydro-thermal method to use butyl titanate directly at COTTON FABRIC fiber surface load nano-titanium dioxide film, filtered out best finishing technique through optimization, the COTTON FABRIC after the modification has excellent uvioresistant, antibacterial effect, and washing durability is good.Relevant at present use butyl titanate does not also have the product of COTTON FABRIC load nano-titanium dioxide film.
The application of nano material in textile industry at present mainly realizes through co-blended spinning and back two kinds of methods of arrangement.The shortcoming of blending method is the preparation process more complicated of nano-powder, and particle is very easily reunited, and is wrapped in fibrous inside and can not fully contacts with oxygen, moisture, and function can not be brought into play fully; Use the afterfinish method of resin binder fairly simple, but adhesive also forms parcel to nano particle, influences the performance of function, and physical and mechanical properties such as fabric feeling obviously descend.There is the scholar to form zinc oxide crystal seed on the cotton fiber surface earlier, adopts the diauxic growth method again,, obtain a certain size zinc oxide nano rod on the cotton fiber surface through the growth of hydro-thermal reaction promotion crystal; Or adopt silicon dioxide gel that COTTON FABRIC is carried out preliminary treatment, under the low-temperature hydrothermal condition, realized the one-step method on the throne growth of nano zine oxide on the cotton fiber surface through zinc nitrate and hexa reaction; Or earlier nano particle is dispersed in the dressing liquid processing such as again COTTON FABRIC is flooded (rolling), preliminary drying and bake; Or the preparation nano titanic oxide sol is put in order COTTON FABRIC more earlier; Or the employing radio frequency magnetron sputtering method, at surface of cotton fabric deposition of titanium oxide function nano structure sheaf.Said method or can not to solve load layer well even inadequately, fine and close, nanoparticulate dispersed property is poor, combines problems such as fastness is not high with fiber, or instrument and equipment is expensive, and processing cost is higher, can not satisfy needs of production.
Summary of the invention
The purpose of this invention is to provide a kind of method that adopts butyl titanate COTTON FABRIC to be carried out modification; Solve existing employing afterfinish method cotton fabric processed nano particle and be easy to generate reunion; Nano particle combines fastness relatively poor with fiber, and fabric is wash resistant, gas permeability difference and the bad problem of feel not.
The technical scheme that the present invention adopted is, a kind of method that adopts butyl titanate that COTTON FABRIC is carried out modification is specifically implemented according to following steps:
Step 1: the COTTON FABRIC that will treat modification temperature be use respectively under 60～90 ℃ of conditions deionized water and concentration be 95% absolute ethyl alcohol repeatedly sonic oscillation clean dry for standby;
Step 2: according to mass ratio is that 2～4:1 takes by weighing cotton fabric processed and the butyl titanate that step 1 obtains; Volume ratio with 1:10～100 is dissolved in deionized water with the butyl titanate that takes by weighing; Obtain butyl titanate solution, the cotton fabric processed that takes by weighing is immersed in the butyl titanate solution handles 10～30min then, subsequently the butyl titanate solution that is impregnated with COTTON FABRIC is added in the high-temperature high-pressure reaction kettle; And be filled to 60～80% of agitated reactor volume with deionized water; Sealing is handled 3～6h with agitated reactor constant temperature under 80～130 ℃ of conditions of good seal, and question response finishes the back and takes out COTTON FABRIC;
Step 3: will go up the reacted COTTON FABRIC that obtains of step, and with the bath raio of 1:30～50, under 70～90 ℃ of conditions, with cleaning solution washing 10～20min, use heat, cold water cyclic washing then, oven dry or dry naturally obtains the COTTON FABRIC after the modification.
Characteristics of the present invention also are,
The cleaning solution in the step 3 wherein is by the solid soap flakes of 2g/L, the water-soluble composition of soda ash of 2g/L.
The invention has the beneficial effects as follows, adopt hydrothermal technique to use butyl titanate directly at COTTON FABRIC fiber surface load nano-titanium dioxide film, providing cotton fabric uvioresistant, anti-microbial property; Through control reaction temperature and time; The technological parameters such as consumption of COTTON FABRIC and butyl titanate have been optimized finishing technique, and this method is saved raw material; Easy and simple to handle, washing durability is good.Test result shows that the COTTON FABRIC after the modification still has excellent uvioresistant and antibacterial ability after through 30 washings.
Description of drawings
Fig. 1 is the stereoscan photograph before the COTTON FABRIC butyl titanate hydrothermal modification;
Fig. 2 is the stereoscan photograph after adopting the inventive method to COTTON FABRIC butyl titanate hydrothermal modification;
Fig. 3 is the X-ray diffraction spectrogram after adopting the inventive method to COTTON FABRIC butyl titanate hydrothermal modification;
Fig. 4 is the forward and backward ultraviolet reflection curve of spectrum of 1 pair of COTTON FABRIC butyl titanate of embodiment of the invention hydrothermal modification;
Fig. 5 is the forward and backward ultraviolet reflection curve of spectrum of 2 pairs of COTTON FABRIC butyl titanates of embodiment of the invention hydrothermal modification;
Fig. 6 is the forward and backward ultraviolet reflection curve of spectrum of 3 pairs of COTTON FABRIC butyl titanates of embodiment of the invention hydrothermal modification.
The specific embodiment
Below in conjunction with the accompanying drawing and the specific embodiment the present invention is elaborated.
The method that the present invention adopts butyl titanate that COTTON FABRIC is carried out modification, specifically implement according to following steps:
Step 1: the COTTON FABRIC that will treat modification temperature be use respectively under 60～90 ℃ of conditions deionized water and concentration be 95% absolute ethyl alcohol repeatedly sonic oscillation clean dry for standby then;
Step 2: according to mass ratio is that 2～4:1 takes by weighing cotton fabric processed and the butyl titanate that step 1 obtains; Volume ratio with 1:10～100 is dissolved in deionized water with the butyl titanate that takes by weighing; Obtain butyl titanate solution, the cotton fabric processed that takes by weighing is immersed in the butyl titanate solution handles 10～30min then, subsequently the butyl titanate solution that is impregnated with COTTON FABRIC is added in the high-temperature high-pressure reaction kettle; And be filled to 60～80% of agitated reactor volume with deionized water; Sealing is handled 3～6h with agitated reactor constant temperature under 80～130 ℃ of conditions of good seal, and question response finishes the back and takes out COTTON FABRIC;
Step 3: will go up the reacted COTTON FABRIC that obtains of step, and with the bath raio of 1:30～50, under 70～90 ℃ of conditions, with cleaning solution washing 10～20min, use heat, cold water cyclic washing then, oven dry or dry naturally obtains the COTTON FABRIC after the modification.Cleaning solution is wherein formed by the soda ash of the solid soap flakes of 2g/L, 2g/L is water-soluble.
Fig. 1 and Fig. 2 are respectively the forward and backward stereoscan photographs of COTTON FABRIC butyl titanate hydrothermal modification.Can find out that COTTON FABRIC is through after the butyl titanate hydrothermal modification, fiber surface has coated one deck nano-titanium dioxide film.Fig. 3 is the COTTON FABRIC X-ray diffraction spectrogram behind the butyl titanate hydrothermal modification.Can find out that this nano-titanium dioxide film is a Detitanium-ore-type.The crystalline structure energy gap of anatase-type nanometer titanium dioxide is greater than the crystalline structure of rutile ore type; Thereby the hole-electron pair that anatase crystal is produced has corrigendum and more negative current potential; Therefore for most of light-catalyzed reaction systems, the nano-titanium dioxide film of Detitanium-ore-type has advantages of high catalytic activity.
COTTON FABRIC after the butyl titanate modification is washed and dry (select A type washing machine for use according to standard GB/T 8629-2001 " textiles is tested with home washings and drying program "; The 4A washing procedure; A type drying program), and according to standard GB/T 18830-2009 " evaluation of ultraviolet resistance of fabric " measure the COTTON FABRIC ultraviolet resistance after the butyl titanate modification.Through after the 30 substandards washings, the COTTON FABRIC after the modification the spectral transmittance T of UVB and UVA wave band 4.0%, UPF UPF>50, can be used as the antiultraviolet product.
According to the COTTON FABRIC antibacterial effect after the modification of standard GB/T 20944.2-2007 " the evaluation part 2 of antibacterial textile performance: absorption process " mensuration butyl titanate.All more than 95%, the COTTON FABRIC after the butyl titanate modification has antibacterial effect to COTTON FABRIC behind the butyl titanate hydrothermal modification to the bacteriostasis rates of staphylococcus aureus (ATCC6538) and Escherichia coli (8099).
Through control reaction temperature and time, the technological parameters such as consumption of COTTON FABRIC and butyl titanate are optimized and best finishing technique.The usage ratio of COTTON FABRIC, butyl titanate and deionized water, loading, hydrothermal temperature and time etc. all affects crystalline phase, crystallization degree, pattern and the particle size of product.When COTTON FABRIC and butyl titanate mass ratio were 2～4:1, fiber surface can coat certain thickness film, and nano particle combines with cotton fiber firmly, can not produce agglomeration, also can not deposit too much titanium dioxide granule in the solution; When less than 2:1, the butyl titanate consumption is too big, is prone to cause waste, and the film that fiber surface coats is blocked up, is unfavorable for the formation of nano particle, influences fabric feeling and takes performance; When greater than 4:1, the butyl titanate consumption very little, fiber surface does not form continuous films, antiultraviolet and anti-microbial property are affected.Butyl titanate and deionized water usage ratio are controlled at 1:10～100 o'clock, and fiber surface coats certain thickness nano-titanium dioxide film, and particle agglomeration can not take place, and can not deposit too many nano particle in the solution simultaneously, and combine firmly with fiber; When less than 1:10, butyl titanate consumption too Da Yi causes waste, and the titanium dioxide that fiber surface adheres to is too thick, and attachment fastness is bad, and nano particle comes off easily in the use; When greater than 1:100, the titanium dioxide that fiber surface adheres to does not form continuous films very little, influences antiultraviolet and anti-microbial property.The solution loading can generate the anatase-type nanometer titanium dioxide particle at 60～80% o'clock; When less than 60% the time, reacting kettle inner pressure is on the low side, can influence the generation of nano titanium oxide; When the generation that is unfavorable for nano titanium oxide greater than 80% time equally, the agitated reactor security also can be affected.Reaction temperature and time mainly influence pattern, the size of the crystallization degree and the crystal of product, and the crystalline phase that generates is also had some influences.Hydrothermal temperature is controlled between 80～130 ℃, can generate the anatase-type nanometer titanium dioxide particle; When being lower than 80 ℃, can influence the crystal structure of nano titanium oxide, do not reach antiultraviolet, antibiotic purpose; When being higher than 130 ℃, the COTTON FABRIC strength damage is bigger, has lost serviceability.The hydro-thermal reaction time is controlled between 3～6h, can generate the anatase-type nanometer titanium dioxide film at fiber surface; When being lower than 3h, can influence the crystallization degree of nano titanium oxide, ultraviolet resistance is bad; When being higher than 6h, the titanium dioxide granule of generation can be reunited, and granularity obviously increases, and the surface roughness increase is prone to cause and comes off.
Take by weighing the COTTON FABRIC of 10g and the butyl titanate of 5g respectively.COTTON FABRIC uses deionized water and ethanol solution under 50KHz power 100W condition the sonic oscillation washing 30min of 80 ℃ of volume ratios of temperature as 1:1,60 ℃ of oven dry, and butyl titanate dilutes with deionized water in the ratio of 1:10; Then COTTON FABRIC is immersed in 10min in the butyl titanate aqueous solution; COTTON FABRIC is added in the 200ml high-temperature high-pressure reaction kettle together with butyl titanate solution; And be filled to 60% of agitated reactor volume with deionized water, the agitated reactor of good seal is put into 80 ℃ of baking oven constant temperature handle 3h; Question response is used the 2g/L soap flakes after finishing, and the 2g/L soda ash solution washs 15min with the 1:30 bath raio under 90 ℃ of conditions, then with 90 ℃ of hot water, cold water cyclic washing, and 60 ℃ of oven dry.Fig. 4 is that COTTON FABRIC adopts the forward and backward ultraviolet reflection curve of spectrum of above-mentioned process modification.Can find out; COTTON FABRIC is through (30 washing backs) after the butyl titanate hydrothermal modification; (280～315nm) ultraviolet average absorption abilities have improved 17.1%, and (315～400nm) ultraviolet average absorption abilities have improved 7.4% to the UVA wave band to the UVB wave band.
Wash and dryly (select A type washing machine for use according to the COTTON FABRIC of standard GB/T 8629-2001 after the butyl titanate hydrothermal modification; The 4A washing procedure; A type drying program), and according to standard GB/T 18830-2009 measure the COTTON FABRIC ultraviolet resistance behind the butyl titanate hydrothermal modification.After 30 washings, the COTTON FABRIC after the modification is at the spectral transmittance T=3.9% of UVB and UVA wave band, UPF UPF=51.According to the COTTON FABRIC antibacterial effect behind standard GB/T 20944.2-2007 mensuration butyl titanate hydrothermal modification.COTTON FABRIC after the modification is 95.4% to the bacteriostasis rate of staphylococcus aureus, is 96.9% to colibacillary bacteriostasis rate, has antibacterial effect.
Embodiment 2
Take by weighing the COTTON FABRIC of 20g and the butyl titanate of 5g respectively.COTTON FABRIC uses deionized water and ethanol solution under 50KHz power 100W condition the sonic oscillation washing 30min of 80 ℃ of volume ratios of temperature as 1:1,60 ℃ of oven dry; Butyl titanate dilutes with deionized water in the ratio of 1:100; Then COTTON FABRIC is immersed in 30min in the butyl titanate aqueous solution; COTTON FABRIC is added in the 200ml high-temperature high-pressure reaction kettle together with butyl titanate solution; And be filled to 80% of agitated reactor volume with deionized water, the agitated reactor of good seal is put into 130 ℃ of baking ovens handle 6h; Question response is used the 2g/L soap flakes after finishing, and the 2g/L soda ash solution washs 15min with the 1:30 bath raio under 90 ℃ of conditions, then with 90 ℃ of hot water, cold water cyclic washing, and 60 ℃ of oven dry.Fig. 5 is that COTTON FABRIC adopts the forward and backward ultraviolet reflection curve of spectrum of above-mentioned process modification.Can find out; COTTON FABRIC is through after the butyl titanate hydrothermal modification (after washing 30 times); (280～315nm) ultraviolet average absorption abilities have improved 24.6%, and (315～400nm) ultraviolet average absorption abilities have improved 12.5% to the UVA wave band to the UVB wave band.
Wash and dryly (select A type washing machine for use according to the COTTON FABRIC of standard GB/T 8629-2001 after the butyl titanate modification; The 4A washing procedure; A type drying program), and according to standard GB/T 18830-2009 measure the COTTON FABRIC ultraviolet resistance after the butyl titanate modification.After 30 washings, the COTTON FABRIC after the modification is at the spectral transmittance T=3.6% of UVB and UVA wave band, UPF UPF=54.According to the COTTON FABRIC antibacterial effect after standard GB/T 20944.2-2007 mensuration butyl titanate modification.COTTON FABRIC after the modification is 96.1% to the bacteriostasis rate of staphylococcus aureus, is 97.2% to colibacillary bacteriostasis rate, has antibacterial effect.
Take by weighing the COTTON FABRIC of 15g and the butyl titanate of 5g respectively.COTTON FABRIC uses deionized water and ethanol solution under 50KHz power 100W condition the sonic oscillation washing 30min of 80 ℃ of volume ratios of temperature as 1:1,60 ℃ of oven dry; Butyl titanate dilutes with deionized water in the ratio of 1:80; Then COTTON FABRIC is immersed in 15min in the butyl titanate aqueous solution; COTTON FABRIC is added in the 200ml high-temperature high-pressure reaction kettle together with butyl titanate solution; And be filled to 70% of agitated reactor volume with deionized water, the agitated reactor of good seal is put into 120 ℃ of baking ovens handle 5h; Question response is used the 2g/L soap flakes after finishing, and the 2g/L soda ash solution washs 15min with the 1:30 bath raio under 90 ℃ of conditions, then with 90 ℃ of hot water, cold water cyclic washing, and 60 ℃ of oven dry.Fig. 6 is that COTTON FABRIC adopts the forward and backward ultraviolet reflection curve of spectrum of above-mentioned process modification.Can find out; COTTON FABRIC is through after the butyl titanate hydrothermal modification (after washing 30 times); (280～315nm) ultraviolet average absorption abilities have improved 28.4%, and (315～400nm) ultraviolet average absorption abilities have improved 19.0% to the UVA wave band to the UVB wave band.
Wash and dryly (select A type washing machine for use according to the COTTON FABRIC of standard GB/T 8629-2001 after the butyl titanate hydrothermal modification; The 4A washing procedure; A type drying program), and according to standard GB/T 18830-2009 measure the COTTON FABRIC ultraviolet resistance behind the butyl titanate hydrothermal modification.After 30 washings, the COTTON FABRIC after the modification is at the spectral transmittance T=3.5% of UVB and UVA wave band, UPF UPF=55.According to the COTTON FABRIC antibacterial effect behind standard GB/T 20944.2-2007 mensuration butyl titanate hydrothermal modification.COTTON FABRIC after the modification is 97.3% to the bacteriostasis rate of staphylococcus aureus, is 98.6% to colibacillary bacteriostasis rate, has antibacterial effect.
The inventive method; Adopt butyl titanate under hydrothermal condition directly at COTTON FABRIC fiber surface load nano-titanium dioxide film; COTTON FABRIC, butyl titanate and deionized water consumption have been studied; Factor such as reaction temperature and time is to the influence of nano titanium oxide load effect, optimizes optimization process technology.Test result shows that the COTTON FABRIC after the modification has good uvioresistant and anti-microbial property, and wash resistant.This treatment process safety non-pollution, production efficiency is high, and is easy and simple to handle, saves raw material, to the not obviously influence of COTTON FABRIC feel.
Claims (2)
1. one kind is adopted butyl titanate to the method that COTTON FABRIC carries out modification, it is characterized in that, specifically implements according to following steps:
Step 1: the COTTON FABRIC that will treat modification temperature be use respectively under 60～90 ℃ of conditions deionized water and concentration be 95% absolute ethyl alcohol repeatedly sonic oscillation clean dry for standby;
Step 2: according to mass ratio is that 2～4:1 takes by weighing cotton fabric processed and the butyl titanate that step 1 obtains; Volume ratio with 1:10～100 is dissolved in deionized water with the butyl titanate that takes by weighing; Obtain butyl titanate solution, the cotton fabric processed that takes by weighing is immersed in the butyl titanate solution handles 10～30min then, subsequently the butyl titanate solution that is impregnated with COTTON FABRIC is added in the high-temperature high-pressure reaction kettle; And be filled to 60～80% of agitated reactor volume with deionized water; Sealing is handled 3～6h with agitated reactor constant temperature under 80～130 ℃ of conditions of good seal, and question response finishes the back and takes out COTTON FABRIC;
Step 3: will go up the reacted COTTON FABRIC that obtains of step, and with the bath raio of 1:30～50, under 70～90 ℃ of conditions, with cleaning solution washing 10～20min, use heat, cold water cyclic washing then, oven dry or dry naturally obtains the COTTON FABRIC after the modification.
2. employing butyl titanate according to claim 1 is characterized in that the method that COTTON FABRIC carries out modification, and the cleaning solution in the said step 3 is by the solid soap flakes of 2g/L, the water-soluble composition of soda ash of 2g/L.
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| CN102251389B (en) * | 2011-06-22 | 2014-07-02 | 西安工程大学 | Method for modifying polyester fabric by using butyl titanate |
| CN102277725B (en) * | 2011-06-22 | 2013-01-09 | 西安工程大学 | Method for modifying wool fabric by butyl titanate |
| CN102251388B (en) * | 2011-06-22 | 2014-07-02 | 西安工程大学 | Method for carrying out modification on real-silk fabrics by using butyl titanate |
| CN102691203B (en) * | 2012-06-15 | 2013-12-18 | 南通大学 | Preparation method of antibacterial and anti-ultraviolet fiber/fabric loaded with nano-titania |
| CN103469551B (en) * | 2012-06-15 | 2015-04-15 | 南通大学 | Method for preparing antibacterial and anti-ultraviolet fabric by virtue of in-situ hydrolysis, polymerization and nano-TiO2 loading |
| CN103437145B (en) * | 2012-06-15 | 2015-04-15 | 南通大学 | Preparation method of antibacterial and ultraviolet-resistant fabric based on nano titanium dioxide |
| CN103590235B (en) * | 2013-11-08 | 2015-07-08 | 武汉纺织大学 | Anti-ultraviolet method for cotton fibers |
| CN107653673A (en) * | 2017-11-11 | 2018-02-02 | 钱景 | It is a kind of that there is super-hydrophobic and titanium dioxide/bafta of self-cleaning function |
| CN108823961A (en) * | 2018-05-21 | 2018-11-16 | 合肥云都棉花有限公司 | A kind of modified cotton fiber and its non-ironing cloth of preparation |
| CN108998962A (en) * | 2018-07-23 | 2018-12-14 | 太原理工大学 | A method of the fabricated in situ titanium dioxide nano-particle directly on fabric fibre |
| CN111155223B (en) * | 2020-01-10 | 2021-10-22 | 台州市凯达利塑纺有限公司 | Preparation method of high-strength flame-retardant fabric |
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