CN110180472A - Anti-bacterial fibre/titanium dioxide aerogel composite and its preparation and application - Google Patents
Anti-bacterial fibre/titanium dioxide aerogel composite and its preparation and application Download PDFInfo
- Publication number
- CN110180472A CN110180472A CN201910469143.XA CN201910469143A CN110180472A CN 110180472 A CN110180472 A CN 110180472A CN 201910469143 A CN201910469143 A CN 201910469143A CN 110180472 A CN110180472 A CN 110180472A
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- Prior art keywords
- bacterial fibre
- titanium dioxide
- day
- solution
- dioxide aerogel
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J13/00—Colloid chemistry, e.g. the production of colloidal materials or their solutions, not otherwise provided for; Making microcapsules or microballoons
- B01J13/0091—Preparation of aerogels, e.g. xerogels
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/32—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond
- D06M11/36—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond with oxides, hydroxides or mixed oxides; with salts derived from anions with an amphoteric element-oxygen bond
- D06M11/46—Oxides or hydroxides of elements of Groups 4 or 14 of the Periodic System; Titanates; Zirconates; Stannates; Plumbates
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M16/00—Biochemical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. enzymatic
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2200/00—Functionality of the treatment composition and/or properties imparted to the textile material
- D06M2200/25—Resistance to light or sun, i.e. protection of the textile itself as well as UV shielding materials or treatment compositions therefor; Anti-yellowing treatments
Abstract
The present invention provides a kind of anti-bacterial fibre/titanium dioxide aerogel composite preparation methods and products thereof and application, the present invention obtains anti-bacterial fibre/titanium dioxide composite aerogel using hydrolysis and polycondensation reaction, making clothing not only has antibacterial sun-screening function, antibiotic rate is close to 100%, also there is stronger toughness and preferable gas permeability simultaneously, air penetrability is greater than 100 mm/s.The preparation process is relatively easy, easy to operate.
Description
Technical field
The invention belongs to the sun-proof clothing aerogel material of antibacterial and its preparation and application field, in particular to a kind of antibacterials
Fiber/titanium dioxide aerogel composite preparation method and products thereof and application.
Background technique
With the development of science and technology and improvement of living standard, increase people to health and environmental consciousness, to clothes
Also have higher requirement, i.e., focus on clothes beauty and it is comfortable while, the functions such as protectiveness and wholesomeness to clothes mention
Higher requirement, therefore the trend chased with antibacterial, anti-ultraviolet clothes at people are gone out.
In especially summer, hot weather, bacterium largely breeds and breeds, in addition ultraviolet radiation is strong, if gone outdoors
It walks, is easy skin ambustion if not doing safeguard measure, to breed more bacteriums, generate vicious circle, existing antibacterial is anti-
Shining clothing is all that common fabric is handled by antibacterial agent along with ultraviolet resistant, and processing cost is high, and coating be easy to cause clothes again
It is closed airtight to fill fabric, so dress can feel uncomfortable.
Aeroge is a kind of nano material of porous three-dimensional network structure, and porosity is higher, and air is full of in gap.This
Kind structure determines that aeroge has good gas permeability.However, common aeroge brittleness is big, mechanical strength is small, it is difficult to use
In terms of the clothes, only by the way that intensity and toughness needed for it could be assigned with fiber composite.
The present invention provides a kind of anti-bacterial fibre/titanium dioxide aerogel composite preparation method, the present invention is utilized
Hydrolysis and polycondensation reaction obtain anti-bacterial fibre/titanium dioxide composite aerogel, and making clothing not only has antibacterial sun-screening function, simultaneously also
With stronger toughness and preferable gas permeability.The preparation process is relatively easy, easy to operate.
Summary of the invention
To overcome the shortcomings of existing sunproof clothes poor air permeability, it is an object of the invention to: a kind of anti-bacterial fibre/dioxy is provided
Change the preparation method of titanium aerogel composite.
Another object of the present invention is: providing a kind of compound airsetting of anti-bacterial fibre/titanium dioxide that the above method obtains
Glue material product.
Another object of the present invention is to: a kind of application of the said goods is provided.
The object of the invention is realized by following proposal: a kind of preparation of anti-bacterial fibre/titanium dioxide aerogel composite
Method obtains anti-bacterial fibre/titanium dioxide composite aerogel using hydrolysis and polycondensation reaction, includes the following steps:
(1) 15 mL dilute acid solutions, 0.8 g surfactant and 5.0 g urea are uniformly mixed in beaker at room temperature,
7 mL organic titanium salts are added in mixed solution, 0.5 h of magnetic agitation obtains the organic titanium salt hydrosol；
(2) anti-bacterial fibre for choosing suitable size is put into mold, and the titanium salt hydrosol is added, soaks anti-bacterial fibre by colloidal sol completely
Stain, after mold sealing, in 80 DEG C of progress gelations, aging two days；
(3) solvent displacement is carried out to wet gel, be first placed in deionized water-isopropanol (1:1) solution 1 day, taken out, be placed in
It 1 day in isopropanol solvent, is finally replaced 1 day in n-hexane solvent, normal temperature and pressure is dry, obtains final product.
The dilute acid solution is that aqueous sulfuric acid, the acetic acid of 1~8 mmol/L of 0.5~3.5 mmol/L is water-soluble
One of aqueous solution of nitric acid of liquid, the aqueous hydrochloric acid solution of 1~6mmol/L or 1~5 mmol/L or combinations thereof.
The surfactant be one of hexadecyltrimethylammonium chloride, cetyl trimethylammonium bromide or
A combination thereof.
The titanium salt is one of tetraisopropyl titanate, metatitanic acid diisopropyl ester, butyl titanate or combinations thereof.
The present invention provides a kind of anti-bacterial fibre/titanium dioxide aerogel composite, according to any of the above-described the method system
It is standby to obtain.
Invention provides a kind of anti-bacterial fibre/application of the titanium dioxide aerogel composite in sunproof clothes.
The present invention is advantageous in that: being obtained anti-bacterial fibre/titanium dioxide composite aerogel using hydrolysis and polycondensation reaction, is made
Clothing not only has antibacterial sun-screening function, while also having stronger toughness and preferable gas permeability.The preparation process is relatively easy,
It is easy to operate.
Detailed description of the invention
Fig. 1 is 2 anti-bacterial fibres of embodiment/titanium dioxide aerogel composite UV absorption figure.
Specific embodiment
The present invention is described in detail by following specific example, but protection scope of the present invention is not only restricted to these
Examples of implementation.
Embodiment 1
A kind of anti-bacterial fibre/titanium dioxide aerogel composite, is prepared according to the following steps:
(1) at room temperature by 15 mL, 3 mmoL aqueous hydrochloric acid solution, 0.8 g hexadecyltrimethylammonium chloride and 5.0 g urea
It is uniformly mixed in beaker, adds 7 mL tetraisopropyl titanates in mixed solution, 0.5 h of magnetic agitation obtains four isopropyl of metatitanic acid
The ester hydrosol；
(2) anti-bacterial fibre for choosing suitable size is put into mold, and the tetraisopropyl titanate hydrosol is added, keeps anti-bacterial fibre complete
By sol impregnation.After mold sealing, in 80 DEG C of progress gelations, aging two days, wet gel is obtained；
(3) solvent displacement is carried out to wet gel, be first placed in deionized water-isopropanol (1:1) solution 1 day, taken out, be placed in
1 day in isopropanol solvent, finally, replacing 1 day in n-hexane solvent, normal temperature and pressure is dry, obtains final product.
Table 1 is anti-bacterial fibre/titanium dioxide aerogel composite anti-microbial property result；
Embodiment 2
A kind of anti-bacterial fibre/titanium dioxide aerogel composite, is prepared according to the following steps:
(1) at room temperature by 15 mL, 2 mmoL aqueous solution of nitric acid, 0.8 g cetyl trimethylammonium bromide and 5.0 g urea
It is uniformly mixed in beaker, adds 7 mL metatitanic acid diisopropyl esters in mixed solution, 0.5 h of magnetic agitation obtains metatitanic acid diisopropyl
The ester hydrosol；
(2) anti-bacterial fibre for choosing suitable size is put into mold, and the metatitanic acid diisopropyl ester hydrosol is added, keeps anti-bacterial fibre complete
By sol impregnation.After mold sealing, in 80 DEG C of progress gelations, aging two days；
(3) solvent displacement is carried out to wet gel, be first placed in deionized water-isopropanol (1:1) solution 1 day, taken out, be placed in
It 1 day in isopropanol solvent, is finally replaced 1 day in n-hexane solvent, normal temperature and pressure is dry, obtains final product.
Fig. 1 is the present embodiment anti-bacterial fibre/titanium dioxide aerogel composite UV absorption figure；UV absorption is close
100%, compared with catalysis material in the market, good catalytic activity.
Embodiment 3
A kind of anti-bacterial fibre/titanium dioxide aerogel composite, is prepared according to the following steps:
(1) 15 mL5 mmoL aqueous acetic acids, 0.8 g cetyl trimethylammonium bromide and 5.0 g urea are existed at room temperature
It is uniformly mixed in beaker, adds 7 mL butyl titanates in mixed solution, it is water-soluble to obtain butyl titanate by 0.5 h of magnetic agitation
Glue；
(2) anti-bacterial fibre for choosing suitable size is put into mold, and the butyl titanate hydrosol is added, makes anti-bacterial fibre quilt completely
Sol impregnation.After mold sealing, in 80 DEG C of progress gelations, aging two days；
(3) solvent displacement is carried out to wet gel, is first placed in deionized water-isopropanol volume ratio 1:1 solution 1 day, taken out,
It is placed in isopropanol solvent 1 day, is finally replaced 1 day in n-hexane solvent, normal temperature and pressure is dry, obtains final product.Table 2 is
3 anti-bacterial fibres of embodiment/titanium dioxide aerogel composite air penetrability and specific surface area have preferable air penetrability and ratio
Surface area:
。
Claims (9)
1. a kind of anti-bacterial fibre/titanium dioxide aerogel composite preparation method, which is characterized in that utilize hydrolysis and polycondensation
Reaction obtains anti-bacterial fibre/titanium dioxide composite aerogel, includes the following steps:
(1) 15mL dilute acid solution, 0.8g surfactant and 5.0g urea are uniformly mixed in beaker at room temperature, addition
For 7mL organic titanium salt in mixed solution, magnetic agitation 0.5h obtains the organic titanium salt hydrosol；
(2) anti-bacterial fibre for choosing suitable size is put into mold, and the titanium salt hydrosol is added, soaks anti-bacterial fibre by colloidal sol completely
Stain, in 80 DEG C of progress gelations, aging two days, obtains wet gel after mold sealing；
(3) solvent displacement is carried out to wet gel, be first placed in deionized water-isopropanol (1:1) solution 1 day, taken out, be placed in
1 day in isopropanol solvent, finally, replacing 1 day in n-hexane solvent, normal temperature and pressure is dry, obtains final product anti-bacterial fibre/bis-
Titanium oxide composite aerogel.
2. anti-bacterial fibre/titanium dioxide aerogel composite preparation method according to claim 1, it is characterised in that institute
The dilute acid solution stated is the aqueous sulfuric acid of 0.5~3.5 mmol/L, the aqueous acetic acid of 1~8 mmol/L, 1~6mmol/
One of aqueous solution of nitric acid of the aqueous hydrochloric acid solution of L or 1~5 mmol/L or combinations thereof.
3. anti-bacterial fibre/titanium dioxide aerogel composite preparation method according to claim 1, it is characterised in that institute
The surfactant stated is one of hexadecyltrimethylammonium chloride, cetyl trimethylammonium bromide or combinations thereof.
4. anti-bacterial fibre/titanium dioxide aerogel composite preparation method according to claim 1, which is characterized in that
The titanium salt are as follows: one of tetraisopropyl titanate, metatitanic acid diisopropyl ester, butyl titanate or combinations thereof.
5. according to claim 1 to the preparation method of any one of 4 anti-bacterial fibre/titanium dioxide aerogel composites,
It is characterized in that, is prepared according to the following steps:
(1) at room temperature by 15 mL, 3 mmoL aqueous hydrochloric acid solution, 0.8 g hexadecyltrimethylammonium chloride and 5.0 g urea
It is uniformly mixed in beaker, adds 7 mL tetraisopropyl titanates in mixed solution, 0.5 h of magnetic agitation obtains four isopropyl of metatitanic acid
The ester hydrosol；
(2) anti-bacterial fibre for choosing suitable size is put into mold, and the tetraisopropyl titanate hydrosol is added, keeps anti-bacterial fibre complete
Wet gel, in 80 DEG C of progress gelations, aging two days, is obtained after mold sealing by sol impregnation；
(3) solvent displacement is carried out to wet gel, be first placed in deionized water-isopropanol (1:1) solution 1 day, taken out, be placed in
1 day in isopropanol solvent, finally, replacing 1 day in n-hexane solvent, normal temperature and pressure is dry, obtains final product.
6. according to claim 1 to the preparation method of any one of 4 anti-bacterial fibre/titanium dioxide aerogel composites,
It is characterized in that, is prepared according to the following steps:
(1) at room temperature by 15 mL, 2 mmoL aqueous solution of nitric acid, 0.8 g cetyl trimethylammonium bromide and 5.0 g urea
It is uniformly mixed in beaker, adds 7 mL metatitanic acid diisopropyl esters in mixed solution, 0.5 h of magnetic agitation obtains metatitanic acid diisopropyl
The ester hydrosol；
(2) anti-bacterial fibre for choosing suitable size is put into mold, and the metatitanic acid diisopropyl ester hydrosol is added, keeps anti-bacterial fibre complete
By sol impregnation, after mold sealing, in 80 DEG C of progress gelations, aging two days；
(3) solvent displacement is carried out to wet gel, be first placed in deionized water-isopropanol (1:1) solution 1 day, taken out, be placed in
It 1 day in isopropanol solvent, is finally replaced 1 day in n-hexane solvent, normal temperature and pressure is dry, obtains final product.
7. according to claim 1 to the preparation method of any one of 4 anti-bacterial fibre/titanium dioxide aerogel composites,
It is characterized in that, is prepared according to the following steps:
(1) 15 mL5 mmoL aqueous acetic acids, 0.8 g cetyl trimethylammonium bromide and 5.0 g urea are existed at room temperature
It is uniformly mixed in beaker, adds 7 mL butyl titanates in mixed solution, it is water-soluble to obtain butyl titanate by 0.5 h of magnetic agitation
Glue；
(2) anti-bacterial fibre for choosing suitable size is put into mold, and the butyl titanate hydrosol is added, makes anti-bacterial fibre quilt completely
Sol impregnation, after mold sealing, in 80 DEG C of progress gelations, aging two days；
(3) solvent displacement is carried out to wet gel, is first placed in deionized water-isopropanol volume ratio 1:1 solution 1 day, taken out,
It is placed in isopropanol solvent 1 day, is finally replaced 1 day in n-hexane solvent, normal temperature and pressure is dry, obtains final product.Table 2 is
3 anti-bacterial fibres of embodiment/titanium dioxide aerogel composite air penetrability and specific surface area have preferable air penetrability and ratio
Surface area.
8. a kind of anti-bacterial fibre/titanium dioxide aerogel composite, it is characterised in that -7 any side according to claim 1
Method is prepared.
9. a kind of anti-bacterial fibre/application of the titanium dioxide aerogel composite in sunproof clothes according to claim 8.
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Citations (6)
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|---|---|---|---|---|
| CN105217676A (en) * | 2014-06-27 | 2016-01-06 | 中国科学院上海硅酸盐研究所 | There is titania aerogel of nanometer sheet and nano-porous structure and preparation method thereof |
| CN105879917A (en) * | 2016-03-15 | 2016-08-24 | 宁波江东波莫纳电子科技有限公司 | Method for preparing optical-fiber compounded photocatalysis aerogel |
| CN107051339A (en) * | 2016-08-29 | 2017-08-18 | 长春工业大学 | A kind of fiber reinforced SiO2Aeroge and preparation method thereof |
| CN108083835A (en) * | 2017-12-19 | 2018-05-29 | 马斌祥 | A kind of preparation method of antibacterial thermal radiation resistance aeroge |
| CN109231953A (en) * | 2018-10-31 | 2019-01-18 | 江苏华跃纺织新材料科技股份有限公司 | The preparation method of high-performance fiber enhancing aerosil heat resistance filter bag material |
| CN109516763A (en) * | 2019-01-07 | 2019-03-26 | 东华大学 | A kind of cellulose fibre/SiO2Aerogel composite and its preparation and application |
-
2019
- 2019-05-31 CN CN201910469143.XA patent/CN110180472A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105217676A (en) * | 2014-06-27 | 2016-01-06 | 中国科学院上海硅酸盐研究所 | There is titania aerogel of nanometer sheet and nano-porous structure and preparation method thereof |
| CN105879917A (en) * | 2016-03-15 | 2016-08-24 | 宁波江东波莫纳电子科技有限公司 | Method for preparing optical-fiber compounded photocatalysis aerogel |
| CN107051339A (en) * | 2016-08-29 | 2017-08-18 | 长春工业大学 | A kind of fiber reinforced SiO2Aeroge and preparation method thereof |
| CN108083835A (en) * | 2017-12-19 | 2018-05-29 | 马斌祥 | A kind of preparation method of antibacterial thermal radiation resistance aeroge |
| CN109231953A (en) * | 2018-10-31 | 2019-01-18 | 江苏华跃纺织新材料科技股份有限公司 | The preparation method of high-performance fiber enhancing aerosil heat resistance filter bag material |
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