CN105332086B - A kind of preparation method of Mesoporous zirconium phosphate loading nano silvery antibacterial polylactic acid fiber - Google Patents
A kind of preparation method of Mesoporous zirconium phosphate loading nano silvery antibacterial polylactic acid fiber Download PDFInfo
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Abstract
The invention provides a kind of Mesoporous zirconium phosphate loading nano silvery antibacterial polylactic acid fiber and preparation method thereof.Described Mesoporous zirconium phosphate loading nano silvery antibacterial polylactic acid fiber, it is characterised in that including PLA matrix, is dispersed with Mesoporous zirconium phosphate loading nano silvery antimicrobial powder in described PLA matrix.The preparation method of above-mentioned Mesoporous zirconium phosphate loading nano silvery antibacterial polylactic acid fiber, including：Described surface is added in the colloidal sol containing silver ion with sulfonic Mesoporous zirconium phosphate, 1~3h is stirred at 20~100 DEG C, obtain silver@Mesoporous zirconium phosphate sol precursors, 2~5h is heated at 200~550 DEG C under nitrogen atmosphere in tube furnace, Ag@Mesoporous zirconium phosphate antimicrobial powders are prepared；By Ag Mesoporous zirconium phosphates antimicrobial powder and PLA, melt blending, drying at 180~230 DEG C, are most spun into Mesoporous zirconium phosphate loading nano silvery antibacterial polylactic acid fiber through melt spinning method afterwards.The method of the present invention is simple to operate, efficient, low cost, and effectiveness persistently, has a extensive future.
Description
Technical field
The invention belongs to the preparation field of anti-bacterial fibre, especially a kind of Mesoporous zirconium phosphate loading nano silvery antibacterial polylactic acid is fine
The preparation method of dimension.
Background technology
The special existence micro-loops such as the ecology overall situation severe exacerbation such as today's society extreme environment, environmental pollution, confined space
Border causes active demand of the people to function protecting textile.The fiber of textile is prepared at present in itself without antibacterial ability,
The environment of existence and breeding is provided back to bacterium under certain condition, human health is threatened.Solve the problems, such as the main of fibre antibacterial
Method is to carry out composite modified, preparation changing with antibacterial action with polymeric matrix using the nano-particle with antibacterial action
Property fiber.The fiber can progressively discharge antimicrobial component in use, reach the purpose of antibacterial.Current anti-bacterial fibre application is wide
General, demand is big, but technology can not effectively solve that function ingredients addition is more, dispersion is difficult, high temperature process is unstable at present, connect
Continuous metaplasia produces the low problem of row yielding, causes anti-bacterial fibre to effectively form large-scale production, it is difficult to meet existing market
Widespread demand.
At present, realize fiber to have the main method of antibacterial functions is by process for modifying surface and blend modification technology.
The former is that the effect for forming chemical bond by antibacterial components and fiber or fabric face makes antibacterial components be attached to fiber or fabric
Surface, so as to reach antibacterial action.Patent CN101942759A is that fiber is added in the solution containing silver nitrate to adsorb
Silver nitrate in solution, carries out reducing the anti-bacterial fibre or fabric for obtaining surface attachment silver in the fiber after to absorption.Should
Method can not form the antimicrobial coating of stable homogeneous, and antibacterial time is limited, it is impossible to reach durable antibiotic.Whole process is excessively multiple
It is miscellaneous that pollution easily is produced to environment.The latter be then by antibacterial components it is direct or it is modified be added in polymer, by screw rod squeeze
Go out to prepare antibacterial matrices, anti-bacterial fibre is being prepared by melt spinning technology.Patent CN101440533 is by bamboo charcoal nano and receives
Meter Yin Wei antibacterial components, with the one kind in terylene or polypropylene fibre or polyamide fibre as carrier slice, anti-bacterial fibre are prepared by Screw Extrusion.
But the method, addition is larger, antibacterial components skewness, is difficult to realize continuous prodution.
The content of the invention
And the antibacterial polylactic acid fiber that is evenly distributed small it is an object of the invention to provide a kind of antibacterial components addition and its
Preparation method.
In order to achieve the above object, the invention provides a kind of Mesoporous zirconium phosphate loading nano silvery antibacterial polylactic acid fiber,
It is characterised in that it includes PLA matrix, is dispersed with Mesoporous zirconium phosphate loading nano silvery antibacterial powder in described PLA matrix
Body.
Preferably, size of the described Mesoporous zirconium phosphate loading nano silvery antimicrobial powder in PLA matrix be
200~700nm.
Preferably, described Mesoporous zirconium phosphate loading nano silvery antimicrobial powder and the mass ratio 0.5: 99.5 of PLA matrix
~3: 97.
The invention provides the preparation method of above-mentioned Mesoporous zirconium phosphate loading nano silvery antibacterial polylactic acid fiber, its feature
It is that specific steps include：
The first step：Surface is obtained with sulfonic Mesoporous zirconium phosphate using oleum treatment Mesoporous zirconium phosphate, by silver
Ionic compound and dihydroxylic alcohols stirring ultrasound, obtain the colloidal sol containing silver ion, by described surface with sulfonic mesoporous
Basic zirconium phosphate is added in the colloidal sol containing silver ion, and 1~3h is stirred at 20~100 DEG C, before obtaining silver@Mesoporous zirconium phosphate colloidal sols
Body is driven, 2~5h is heated at 200~550 DEG C under nitrogen atmosphere in tube furnace, Ag@Mesoporous zirconium phosphate antimicrobial powders are prepared；
Second step：By Ag@Mesoporous zirconium phosphates antimicrobial powders and PLA at 180~230 DEG C melt blending, dry, most
Mesoporous zirconium phosphate loading nano silvery antibacterial polylactic acid fiber is spun into by melt spinning method.
Preferably, described utilization oleum processes concretely comprising the following steps for Mesoporous zirconium phosphate：The quality of oleum point
Number is 50%~98%, and reaction temperature is 40~80 DEG C, 20~80min of reaction time.
Preferably, the size of described Ag@Mesoporous zirconium phosphate antimicrobial powders is in 200~700nm.
Preferably, described surface is with sulfonic Mesoporous zirconium phosphate, silver iron compound and dihydroxylic alcohols mass ratio
60~90: 0.5~5: 5~39.5.
Preferably, described silver iron compound is silver chlorate, silver bromide, silver iodide, silver hydroxide, silver sulfide and sulfuric acid
One or more in silver.
Preferably, described dihydroxylic alcohols is one or more in ethylene glycol, propane diols, butanediol and isobide.
The present invention forms colloidal sol by the use of the compound containing silver as antibacterial components presoma by with dihydroxylic alcohols, passes through
The physisorption and sulfonic group of the mesopore orbit of Mesoporous zirconium phosphate are acted on the ionic bond of silver ion, will contain silver ion
Colloidal sol be loaded into Mesoporous zirconium phosphate it is mesoporous in simultaneously Mesoporous zirconium phosphate adsorption silver ion, after tube furnace obtain
Ag@Mesoporous zirconium phosphate antimicrobial powders, PLA antimicrobial composite material is prepared by organic inorganic hybridization technology.
Compared with prior art, the beneficial effects of the invention are as follows：
(1) the duct suction-operated of the Mesoporous zirconium phosphate of sulfonation and sulfonic group are made with the ionic bond of silver ion in the present invention
With, make Mesoporous zirconium phosphate duct and the equal load silver ion in surface, realize pay(useful) load of the silver ion in Mesoporous zirconium phosphate.
(2) intermediary hole basic zirconium phosphate load silver ion of the present invention, Nano Silver Mesoporous zirconium phosphate is generated after being acted on through thermal reduction, is led to
Crossing mesoporous suction-operated can effectively realize the sustained release of function ingredients, and effectiveness is lasting.
(3) method of the present invention is simple to operate, efficient, low cost, and effectiveness persistently, has a extensive future.It is prepared by the present invention
Anti-bacterial fibre can effectively apply in mouth mask, the interior trim such as household textiles, clothes, big aircraft, high ferro, spacefarer's dress ornament, army
With fields such as fighting uniform decorations.Domestic anti-bacterial fibre technology of preparing can effectively be filled up by the industrialization of anti-bacterial fibre of the present invention
Blank.
Specific embodiment
With reference to specific embodiment, the present invention is expanded on further.It should be understood that these embodiments are merely to illustrate the present invention
Rather than limitation the scope of the present invention.In addition, it is to be understood that after the content for having read instruction of the present invention, people in the art
Member can make various changes or modifications to the present invention, and these equivalent form of values equally fall within the application appended claims and limited
Scope.Mesoporous zirconium phosphate nano-powder in various embodiments of the present invention is commercially available prod, and particle diameter is 100-700nm, and aperture is
10-60nm。
Embodiment 1
A kind of Mesoporous zirconium phosphate loading nano silvery antibacterial polylactic acid fiber, including PLA matrix, described PLA base
Mesoporous zirconium phosphate loading nano silvery antimicrobial powder is dispersed with body.
The preparation method of above-mentioned Mesoporous zirconium phosphate loading nano silvery antibacterial polylactic acid fiber, concretely comprises the following steps：
(1) surface is obtained with sulfonic Mesoporous zirconium phosphate using oleum treatment Mesoporous zirconium phosphate, using smoke
Sulfuric acid treatment Mesoporous zirconium phosphate is concretely comprised the following steps：Mass fraction is 98% oleum and Mesoporous zirconium phosphate mass ratio is 10
: 1, reaction temperature is 40 DEG C, reaction time 20min.
(2) silver nitrate, ethylene glycol and surface that mass ratio is 0.5: 39.5: 60 are taken with sulfonic Mesoporous zirconium phosphate,
Silver nitrate and ethylene glycol stirring ultrasound are first added at normal temperatures, and rotating speed is 400rpm, ultrasonic (frequency 35KHZ, power output
80%) 2h, obtains the colloidal sol containing silver ion, by described surface with sulfonic Mesoporous zirconium phosphate be added to containing silver from
In the colloidal sol of son, stir 2h at 30 DEG C, obtain silver@Mesoporous zirconium phosphate sol precursors, under nitrogen atmosphere in tube furnace
3h is heated at 500 DEG C, Ag@Mesoporous zirconium phosphate antimicrobial powders are prepared, size is in 200~700nm；
(3) by Ag@Mesoporous zirconium phosphates antimicrobial powders and PLLA (number-average molecular weight Mn ≈ 140000, intrinsic viscosity IV
(dl/g) ≈ 6.0) in mass ratio for 3: 97 at 200 DEG C melt blending prepare Ag@Mesoporous zirconium phosphate antibacterial compound slices, do
Dry, at 30~80ppm (mass content), at 200~220 DEG C, through melt spinning method, (spinning temperature is control moisture content
210~230 DEG C) it is spun into Mesoporous zirconium phosphate loading nano silvery antibacterial polylactic acid fiber.Antibiotic rate of the fiber to Escherichia coli
＞ 95%, to the antibiotic rate ＞ 90% of staphylococcus aureus, to the antibiotic rate ＞ 60% of Candida albicans.Water-fastness time of fabric
Number ＞ 100 times.
Embodiment 2
A kind of Mesoporous zirconium phosphate loading nano silvery antibacterial polylactic acid fiber, including PLA matrix, described PLA base
Mesoporous zirconium phosphate loading nano silvery antimicrobial powder is dispersed with body.
The preparation method of above-mentioned Mesoporous zirconium phosphate loading nano silvery antibacterial polylactic acid fiber, concretely comprises the following steps：
(1) surface is obtained with sulfonic Mesoporous zirconium phosphate using oleum treatment Mesoporous zirconium phosphate, using smoke
Sulfuric acid treatment Mesoporous zirconium phosphate is concretely comprised the following steps：Mass fraction is 98% oleum and Mesoporous zirconium phosphate mass ratio is 20
: 1, reaction temperature is 40 DEG C, reaction time 80min.
(2) silver sulfate, propane diols and surface that mass ratio is 0.5: 5: 94.5 are taken with sulfonic Mesoporous zirconium phosphate,
It is 400rpm, ultrasonic (frequency 35KHZ, power output 80%) that silver sulfate and the ultrasonic rotating speed of propane diols stirring are first added under normal temperature
2h, obtains the colloidal sol containing silver ion, described surface is added to sulfonic Mesoporous zirconium phosphate and contains silver ion
In colloidal sol, 2h is stirred at 80 DEG C, silver@Mesoporous zirconium phosphate sol precursors are obtained, at 550 DEG C under nitrogen atmosphere in tube furnace
Lower heating 2h, prepares Ag@Mesoporous zirconium phosphate antimicrobial powders, and size is in 200~700nm；
(3) by Ag@Mesoporous zirconium phosphates antimicrobial powders and PLLA (number-average molecular weight Mn ≈ 160000, intrinsic viscosity IV
(dl/g) ≈ 6.8) in mass ratio for 3: 97 at 210~230 DEG C melt blending prepare that Ag@Mesoporous zirconium phosphates antibacterials is compound to cut
Piece, is dried, and control moisture content at 230~240 DEG C, Jie is spun into through melt spinning method at 30~70ppm (mass content)
Hole basic zirconium phosphate loading nano silvery antibacterial polylactic acid fiber.The fiber to the antibiotic rate ＞ 95% of Escherichia coli, to golden yellow grape
The antibiotic rate ＞ 90% of coccus, to the antibiotic rate ＞ 60% of Candida albicans.The water-fastness number of times ＞ of fabric 100 times.
Embodiment 3
A kind of Mesoporous zirconium phosphate loading nano silvery antibacterial polylactic acid fiber, including PLA matrix, described PLA base
Mesoporous zirconium phosphate loading nano silvery antimicrobial powder is dispersed with body.
The preparation method of above-mentioned Mesoporous zirconium phosphate loading nano silvery antibacterial polylactic acid fiber, concretely comprises the following steps：
(1) surface is obtained with sulfonic Mesoporous zirconium phosphate using oleum treatment Mesoporous zirconium phosphate, using smoke
Sulfuric acid treatment Mesoporous zirconium phosphate is concretely comprised the following steps：Mass fraction is 80% oleum and Mesoporous zirconium phosphate mass ratio is 20
: 1, reaction temperature is 50 DEG C, reaction time 60min.
(2) silver nitrate, isobide and surface that mass ratio is 5: 39.5: 54.5 are taken and carries sulfonic mesoporous phosphoric acid
Zirconium, it is 300rpm that silver nitrate and the ultrasonic rotating speed of isobide stirring are first added at normal temperatures, ultrasonic (frequency 53KHZ, power output
50%) 1h, obtains the colloidal sol containing silver ion, by described surface with sulfonic Mesoporous zirconium phosphate be added to containing silver from
In the colloidal sol of son, stir 3h at 40 DEG C, obtain silver@Mesoporous zirconium phosphate sol precursors, under nitrogen atmosphere in tube furnace
4h is heated at 300 DEG C, Ag@Mesoporous zirconium phosphate antimicrobial powders are prepared, size is in 200~700nm；
(3) by Ag@Mesoporous zirconium phosphates antimicrobial powders and PLA (number-average molecular weight Mn ≈ 120000, intrinsic viscosity IV
(dl/g) ≈ 5.5) in mass ratio for 0.5: 99.5 at 200 DEG C melt blending prepare Ag@Mesoporous zirconium phosphate antibacterial compound slices,
Dry, control moisture content at 200~230 DEG C, is spun into mesoporous at 50~100ppm (mass content) through melt spinning method
Basic zirconium phosphate loading nano silvery antibacterial polylactic acid fiber.The fiber to the antibiotic rate ＞ 91% of Escherichia coli, to Staphylococcus aureus
The antibiotic rate ＞ 88% of bacterium, to the antibiotic rate ＞ 60% of Candida albicans.The water-fastness number of times ＞ of fabric 80 times.
Embodiment 4
A kind of Mesoporous zirconium phosphate loading nano silvery antibacterial polylactic acid fiber, including PLA matrix, described PLA base
Mesoporous zirconium phosphate loading nano silvery antimicrobial powder is dispersed with body.
The preparation method of above-mentioned Mesoporous zirconium phosphate loading nano silvery antibacterial polylactic acid fiber, concretely comprises the following steps：
(1) surface is obtained with sulfonic Mesoporous zirconium phosphate using oleum treatment Mesoporous zirconium phosphate, using smoke
Sulfuric acid treatment Mesoporous zirconium phosphate is concretely comprised the following steps：Mass fraction is 50% oleum and Mesoporous zirconium phosphate mass ratio is 10
: 1, reaction temperature is 80 DEG C, reaction time 80min.
(2) silver sulfate, isobide and carry sulfonic Mesoporous zirconium phosphate with surface that mass ratio is 5: 5: 90 are taken,
It is 200rpm, ultrasonic (frequency 53KHZ, power output 70%) that silver sulfate and the ultrasonic rotating speed of isobide stirring are first added under normal temperature
1.5h, obtains the colloidal sol containing silver ion, described surface is added to sulfonic Mesoporous zirconium phosphate and contains silver ion
Colloidal sol in, stir 2h at 50 DEG C, silver@Mesoporous zirconium phosphate sol precursors are obtained, 300 under nitrogen atmosphere in tube furnace
4h is heated at DEG C, Ag@Mesoporous zirconium phosphate antimicrobial powders are prepared, size is in 200~700nm；
(3) by Ag@Mesoporous zirconium phosphates antimicrobial powders and PLA (number-average molecular weight Mn ≈ 140000, intrinsic viscosity IV
(dl/g) ≈ 6.0) in mass ratio for 0.5: 99.5 at 230 DEG C melt blending prepare Ag@Mesoporous zirconium phosphate antibacterial compound slices,
Dry, control moisture content at 210~230 DEG C, is spun into mesoporous at 30~70ppm (mass content) through melt spinning method
Basic zirconium phosphate loading nano silvery antibacterial polylactic acid fiber.The fiber to the antibiotic rate ＞ 90% of Escherichia coli, to Staphylococcus aureus
The antibiotic rate ＞ 88% of bacterium, to the antibiotic rate ＞ 60% of Candida albicans.The water-fastness number of times ＞ of fabric 80 times.
Embodiment 5
A kind of Mesoporous zirconium phosphate loading nano silvery antibacterial polylactic acid fiber, including PLA matrix, described PLA base
Mesoporous zirconium phosphate loading nano silvery antimicrobial powder is dispersed with body.
The preparation method of above-mentioned Mesoporous zirconium phosphate loading nano silvery antibacterial polylactic acid fiber, concretely comprises the following steps：
(1) surface is obtained with sulfonic Mesoporous zirconium phosphate using oleum treatment Mesoporous zirconium phosphate, using smoke
Sulfuric acid treatment Mesoporous zirconium phosphate is concretely comprised the following steps：Mass fraction is 75% oleum and Mesoporous zirconium phosphate mass ratio is 20
: 1, reaction temperature is 40 DEG C, reaction time 80min.
(2) silver chlorate, ethylene glycol and surface that mass ratio is 0.5: 39.5: 60 are taken with sulfonic Mesoporous zirconium phosphate,
It is 400rpm first to add silver chlorate and the ultrasonic rotating speed of ethylene glycol stirring at normal temperatures, ultrasonic (frequency 53KHZ, power output
100%) 2h, obtains the colloidal sol containing silver ion, described surface is added to sulfonic Mesoporous zirconium phosphate and contains silver
In the colloidal sol of ion, 2h is stirred at 75 DEG C, silver@Mesoporous zirconium phosphate sol precursors are obtained, under nitrogen atmosphere in tube furnace
5h is heated at 250 DEG C, Ag@Mesoporous zirconium phosphate antimicrobial powders are prepared, size is in 200~700nm；
(3) by Ag@Mesoporous zirconium phosphates antimicrobial powders and PLA (number-average molecular weight Mn ≈ 160000, intrinsic viscosity IV
(d1/g) ≈ 6.8) in mass ratio for 2: 98 at 190 DEG C melt blending prepare Ag@Mesoporous zirconium phosphate antibacterial compound slices, do
Dry, control moisture content at 220~230 DEG C, is spun into Mesoporous zirconium phosphate load and receives in 30~80ppm through melt spinning method
The silver-colored antibacterial polylactic acid fiber of rice.The fiber to the antibiotic rate ＞ 92% of Escherichia coli, to the antibiotic rate ＞ of staphylococcus aureus
94%, to the antibiotic rate ＞ 65% of Candida albicans.The water-fastness number of times ＞ of fabric 100 times.
Claims (7)
1. a kind of preparation method of Mesoporous zirconium phosphate loading nano silvery antibacterial polylactic acid fiber, described Mesoporous zirconium phosphate load is received
The silver-colored antibacterial polylactic acid fiber of rice, including PLA matrix, are dispersed with Mesoporous zirconium phosphate load nanometer in described PLA matrix
Silver-colored antimicrobial powder, it is characterised in that specific steps include：
The first step：Surface is obtained with sulfonic Mesoporous zirconium phosphate using oleum treatment Mesoporous zirconium phosphate, by silver ion
Compound and dihydroxylic alcohols stirring ultrasound, obtain the colloidal sol containing silver ion, and described surface is carried into sulfonic mesoporous phosphoric acid
Zirconium is added in the colloidal sol containing silver ion, and 1~3h is stirred at 20 ~ 100 DEG C, obtains silver@Mesoporous zirconium phosphate sol precursors,
2 ~ 5h is heated at 200 ~ 550 DEG C under nitrogen atmosphere in tube furnace, Ag@Mesoporous zirconium phosphate antimicrobial powders are prepared；
Second step：Melt blending, drying at 180 ~ 230 DEG C by Ag Mesoporous zirconium phosphates antimicrobial powder and PLA, most warp is molten afterwards
Melt spin processes and be spun into Mesoporous zirconium phosphate loading nano silvery antibacterial polylactic acid fiber.
2. the preparation method of Mesoporous zirconium phosphate loading nano silvery antibacterial polylactic acid fiber as claimed in claim 1, its feature exists
In described utilization oleum processes concretely comprising the following steps for Mesoporous zirconium phosphate：The mass fraction of oleum is 50% ~ 98%,
Reaction temperature is 40 ~ 80 DEG C, the min of reaction time 20 ~ 80.
3. the preparation method of Mesoporous zirconium phosphate loading nano silvery antibacterial polylactic acid fiber as claimed in claim 1, its feature exists
In the size of described Ag@Mesoporous zirconium phosphate antimicrobial powders is in 200 ~ 700 nm.
4. the preparation method of Mesoporous zirconium phosphate loading nano silvery antibacterial polylactic acid fiber as claimed in claim 1, its feature exists
In described surface is 60 ~ 90 with sulfonic Mesoporous zirconium phosphate, silver iron compound and dihydroxylic alcohols mass ratio: 0.5 ~
5 : 5~39.5。
5. the preparation method of Mesoporous zirconium phosphate loading nano silvery antibacterial polylactic acid fiber as claimed in claim 1, its feature exists
In, described silver iron compound for the one kind in silver chlorate, silver bromide, silver iodide, silver hydroxide, silver sulfide and silver sulfate or
It is several.
6. the preparation method of Mesoporous zirconium phosphate loading nano silvery antibacterial polylactic acid fiber as claimed in claim 1, its feature exists
In described dihydroxylic alcohols is one or more in ethylene glycol, propane diols, butanediol and isobide.
7. the preparation method of Mesoporous zirconium phosphate loading nano silvery antibacterial polylactic acid fiber as claimed in claim 1, its feature exists
In the mass ratio 0.5 of, described Mesoporous zirconium phosphate loading nano silvery antimicrobial powder and PLA matrix: 99.5~3 : 97.
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| CN105350103B (en) * | 2015-12-01 | 2018-10-26 | 东华大学 | A kind of anti-biotic material and preparation method thereof |
| CN106609400B (en) * | 2017-01-04 | 2018-04-20 | 苏州金泉新材料股份有限公司 | A kind of preparation method of multi-functional acid fiber by polylactic |
| CN112501752B (en) * | 2020-12-01 | 2022-04-26 | 杭州宝雅丝绸有限公司 | Self-heating antistatic fabric |
| CN113388916A (en) * | 2021-07-30 | 2021-09-14 | 广东巨圣新材料科技有限公司 | Preparation method of ammonia-elasticity-free antibacterial polylactic acid fabric |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007077519A (en) * | 2005-09-13 | 2007-03-29 | Mitsui Chemicals Inc | Antimicrobial aggregate of fiber, method for producing the same and its application |
| CN101305735A (en) * | 2007-05-16 | 2008-11-19 | 上海松明寄存设备有限公司 | Ag-carrying nano antibiotic material and its preparation method and use |
| CN101363141A (en) * | 2007-08-09 | 2009-02-11 | 太仓市金辉化纤实业有限公司 | Full light extinction and antibiotic polyester fiber, preparation method and application thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007077519A (en) * | 2005-09-13 | 2007-03-29 | Mitsui Chemicals Inc | Antimicrobial aggregate of fiber, method for producing the same and its application |
| CN101305735A (en) * | 2007-05-16 | 2008-11-19 | 上海松明寄存设备有限公司 | Ag-carrying nano antibiotic material and its preparation method and use |
| CN101363141A (en) * | 2007-08-09 | 2009-02-11 | 太仓市金辉化纤实业有限公司 | Full light extinction and antibiotic polyester fiber, preparation method and application thereof |
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