CN105862397A - A preparing method of an antibacterial environmental friendly cotton fabric - Google Patents

A preparing method of an antibacterial environmental friendly cotton fabric Download PDF

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Publication number
CN105862397A
CN105862397A CN201610195859.1A CN201610195859A CN105862397A CN 105862397 A CN105862397 A CN 105862397A CN 201610195859 A CN201610195859 A CN 201610195859A CN 105862397 A CN105862397 A CN 105862397A
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CN
China
Prior art keywords
solution
ultrafiltrate
bafta
deionized water
time
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Pending
Application number
CN201610195859.1A
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Chinese (zh)
Inventor
刘锦荣
沈斌
石玉何
陶慈强
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SHANGHAI YANGFAN INDUSTRIAL Co Ltd
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SHANGHAI YANGFAN INDUSTRIAL Co Ltd
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Priority to CN201610195859.1A priority Critical patent/CN105862397A/en
Publication of CN105862397A publication Critical patent/CN105862397A/en
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    • 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
    • D06M11/83—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 metals; with metal-generating compounds, e.g. metal carbonyls; Reduction of metal compounds on textiles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B22—CASTING; POWDER METALLURGY
    • B22F—WORKING METALLIC POWDER; MANUFACTURE OF ARTICLES FROM METALLIC POWDER; MAKING METALLIC POWDER; APPARATUS OR DEVICES SPECIALLY ADAPTED FOR METALLIC POWDER
    • B22F9/00—Making metallic powder or suspensions thereof
    • B22F9/16—Making metallic powder or suspensions thereof using chemical processes
    • B22F9/18—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds
    • B22F9/24—Making metallic powder or suspensions thereof using chemical processes with reduction of metal compounds starting from liquid metal compounds, e.g. solutions
    • 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
    • D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
    • D06M2101/02—Natural fibres, other than mineral fibres
    • D06M2101/04—Vegetal fibres
    • D06M2101/06—Vegetal fibres cellulosic

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  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)

Abstract

A preparing method of an antibacterial environmental friendly cotton fabric is disclosed. The method mainly includes a step of preparing a nanometer silver solution, a step of cotton fabric dipping, and the like. The step of preparing the nanometer silver solution mainly includes a step of preparing a maltose solution, a step of preparing a diamminesilver complex solution, a step of primary ultrafiltration, a step of secondary ultrafiltration, and the like. Compared with the prior art, the cotton fabric is better in environment protection performance. In addition, the cotton fabric is excellent in washing fastness, and the antibacterial rate can be still higher than 98% after a plurality of times of washing.

Description

A kind of preparation method of antibacterial environment protection bafta
Technical field
The present invention relates to bafta field, particularly to the preparation method of a kind of antibacterial environment protection bafta.
Background technology
Bafta, due to the sense of touch of its softness, excellent sucting wet air permeability, excellent dyeability, is subject to always Pursuing to people.But cotton fiber is hydrophilic fibre, it is easy to provide the microorganism such as appropriate bacterial and mycete The condition of growth, thus cause microbial growth on fabric, this can affect the outward appearance of fabric to a certain extent And wearability.Therefore, the research to Antibacterial Finishing of Cotton Fabric is increasingly important.
Nanometer silver is a kind of novel antibacterial material, due to quantum effect, small-size effect and high-specific surface area, Thus there is the incomparable excellent antibacterial effect of traditional inorganic antiseptic and safety, it is that one has length Effect property and the antibacterial of weatherability.Tradition prepare nanometer silver method use reducing agent and stabilizer mostly have There are environment and bio-toxicity, run counter to the concept of Green Chemistry.Therefore, a kind of environmental protection how is prepared Nanometer silver, and make it be applied to bafta to be one and need badly and solve the technical problem that.
Summary of the invention
The purpose of the present invention, it is simply that provide the system of a kind of antibacterial environment protection bafta in order to solve the problems referred to above Preparation Method, the method uses has special construction and environment amenable polysaccharide material maltose, its system Standby nano silver particles, it is ensured that it has the advantages such as environmental protection, excellent antibacterial performance, and will with this understanding The nano silver particles of preparation is applied to bafta, it is thus achieved that environmental protection and the bafta by extremely strong antibacterial ability.
For achieving the above object, technical scheme is implemented as follows:
A kind of preparation method of the antibacterial environment protection bafta of the present invention, including following preparation process:
Step 1: weigh 400-500g maltose, is dissolved in 60-100L deionized water, it is thus achieved that maltose is molten Liquid；
Step 2: weigh 20-30g silver nitrate, is dissolved in 60-100L deionized water, it is thus achieved that silver nitrate solution；
Step 3: under room temperature and stirring condition, adds 12-15mol/L in the silver nitrate solution of step 2 Ammonia 65-75ml, it is thus achieved that two ammino silver solution；
Step 4: under 45-50 DEG C and stirring condition, adds Fructus Hordei Germinatus in two ammino silver solution of step 3 Sugar juice, mixing time 20-30min, it is thus achieved that the first mixed solution；
Step 5: the first mixed solution of step 4 is carried out ultrafiltration for the first time, treats that the first ultrafiltrate PH is During 6-7, separate the first ultrafiltrate and the first concentrated solution, it is thus achieved that the first ultrafiltrate and the first concentrated solution；
Step 6: under 30-40 DEG C and stirring condition, adding concentration in the first ultrafiltrate of step 5 is The nitric acid of 12-14mol/L, when PH reaches 5-6, adding concentration is 10-12mol/L sodium hydroxide solution, When solution PH reaches 6-7, it is thus achieved that the second mixed solution；
Step 7: the second mixing of step 6 is carried out second time ultrafiltration, when the second ultrafiltrate PH is 6-7, Separate the second ultrafiltrate and the second concentrated solution, it is thus achieved that the second ultrafiltrate and the second concentrated solution；
Step 8: by the first concentrated solution and the second concentrated solution mixing of step 7 of step 5, and add wherein Enter the deionized water of 500-800ml, i.e. obtain nanometer silver solution；
Step 9: be washed with deionized water by bafta only, dries 20-30min under conditions of 40-50 DEG C；
Step 10: the bafta after step 9 processes is positioned in the nanometer silver solution of step 8, heating To 70-80 DEG C, and keeping this temperature, heat time heating time is 80-120min；
Step 11: the bafta deionized water after step 10 processes is cleaned 2-3 time, and at 40-50 Dry 20-30min under conditions of DEG C, i.e. obtain the antibacterial environment protection bafta of the present invention.
Beneficial effects of the present invention is as follows:
The antibacterial environment protection bafta of the present invention uses nanometer silver solution to carry out impregnation process, and prepares nanometer silver The raw material of solution is nontoxic maltose, therefore it is compared with prior art, and the bafta of the present invention is at ring In guarantor property more preferably；Meanwhile, its excellent washfastness, after repeatedly washing, its bacteriostasis rate still can keep More than 98%.
Detailed description of the invention
Below in conjunction with embodiment, the invention will be further described.
Embodiment 1
The present embodiment includes following preparation process:
Step 1: weigh 450g maltose, is dissolved in 80L deionized water, it is thus achieved that maltose solution；
Step 2: weigh 25g silver nitrate, is dissolved in 60L deionized water, it is thus achieved that silver nitrate solution；
Step 3: under room temperature and stirring condition, adds 12mol/L's in the silver nitrate solution of step 2 Ammonia 65ml, it is thus achieved that two ammino silver solution；
Step 4: under 50 DEG C and stirring condition, adds maltose molten in two ammino silver solution of step 3 Liquid, mixing time 30min, it is thus achieved that the first mixed solution；
Step 5: the first mixed solution of step 4 is carried out ultrafiltration for the first time, treats that the first ultrafiltrate PH is During 6-7, separate the first ultrafiltrate and the first concentrated solution, it is thus achieved that the first ultrafiltrate and the first concentrated solution；
Step 6: under 40 DEG C and stirring condition, adding concentration in the first ultrafiltrate of step 5 is The nitric acid of 12mol/L, when PH reaches 5-6, adding concentration is 10mol/L sodium hydroxide solution, when molten Liquid PH reaches 6-7, it is thus achieved that the second mixed solution；
Step 7: the second mixing of step 6 is carried out second time ultrafiltration, when the second ultrafiltrate PH is 6-7, Separate the second ultrafiltrate and the second concentrated solution, it is thus achieved that the second ultrafiltrate and the second concentrated solution；
Step 8: by the first concentrated solution and the second concentrated solution mixing of step 7 of step 5, and add wherein Enter the deionized water of 600ml, i.e. obtain nanometer silver solution；
Step 9: be washed with deionized water by bafta only, dries 30min under conditions of 50 DEG C；
Step 10: the bafta after step 9 processes is positioned in the nanometer silver solution of step 8, heating To 70 DEG C, and keeping this temperature, heat time heating time is 100min；
Step 11: the bafta deionized water after step 10 processes is cleaned 2-3 time, and at 50 DEG C Under conditions of dry 30min, i.e. obtain antibacterial environment protection bafta 1.
Embodiment 2
The present embodiment includes following preparation process:
Step 1: weigh 500g maltose, is dissolved in 90L deionized water, it is thus achieved that maltose solution；
Step 2: weigh 30g silver nitrate, is dissolved in 80L deionized water, it is thus achieved that silver nitrate solution；
Step 3: under room temperature and stirring condition, adds 14mol/L's in the silver nitrate solution of step 2 Ammonia 65ml, it is thus achieved that two ammino silver solution；
Step 4: under 50 DEG C and stirring condition, adds maltose molten in two ammino silver solution of step 3 Liquid, mixing time 30min, it is thus achieved that the first mixed solution；
Step 5: the first mixed solution of step 4 is carried out ultrafiltration for the first time, treats that the first ultrafiltrate PH is During 6-7, separate the first ultrafiltrate and the first concentrated solution, it is thus achieved that the first ultrafiltrate and the first concentrated solution；
Step 6: under 35 DEG C and stirring condition, adding concentration in the first ultrafiltrate of step 5 is The nitric acid of 13mol/L, when PH reaches 5-6, adding concentration is 11mol/L sodium hydroxide solution, when molten Liquid PH reaches 6-7, it is thus achieved that the second mixed solution；
Step 7: the second mixing of step 6 is carried out second time ultrafiltration, when the second ultrafiltrate PH is 6-7, Separate the second ultrafiltrate and the second concentrated solution, it is thus achieved that the second ultrafiltrate and the second concentrated solution；
Step 8: by the first concentrated solution and the second concentrated solution mixing of step 7 of step 5, and add wherein Enter the deionized water of 800ml, i.e. obtain nanometer silver solution；
Step 9: be washed with deionized water by bafta only, dries 30min under conditions of 50 DEG C；
Step 10: the bafta after step 9 processes is positioned in the nanometer silver solution of step 8, heating To 80 DEG C, and keeping this temperature, heat time heating time is 120min；
Step 11: the bafta deionized water after step 10 processes is cleaned 2-3 time, and at 50 DEG C Under conditions of dry 30min, i.e. obtain antibacterial environment protection bafta 2.
Choose commercial antimicrobial bafta, antibacterial environment protection bafta 1 and antibacterial environment protection bafta 2 to carry out greatly Enterobacteria anti-microbial property is tested, and calculates according to following formula:
A = B 1 - B 2 B 1 × 100 %
In formula: A is bacteriostasis rate, B1For the viable count after standard blank style and antibacterial oscillating contact 24H, B2For the viable count after antibacterial sample and antibacterial oscillating contact 24H.
Result of calculation see table:
Bacteriostasis rate (does not cleans) Bacteriostasis rate (cleans 10 times) Bacteriostasis rate (cleans 50 times)
Commercial antimicrobial bafta 98.5 96.5 90.3
Antibacterial environment protection bafta 1 99.1 98.8 98.2
Antibacterial environment protection bafta 2 99.4 99.0 98.4
Knowable to upper table result, the antibacterial environment protection bafta obtained by the present invention, bacteriostasis rate after cleaning repeatedly Still without being decreased obviously, conservative estimation, when cleaning 50 times, its bacteriostasis rate still can reach more than 98%.
Above example is used for illustrative purposes only, rather than limitation of the present invention, relevant technical field Technical staff, without departing from the spirit and scope of the present invention, it is also possible to make various conversion or change Type, the technical scheme of the most all equivalents also should belong to scope of the invention, should be limited by each claim Fixed.

Claims (1)

1. the preparation method of an antibacterial environment protection bafta, it is characterised in that include following preparation process:
Step 1: weigh 400-500g maltose, is dissolved in 60-100L deionized water, it is thus achieved that maltose is molten Liquid；
Step 2: weigh 20-30g silver nitrate, is dissolved in 60-100L deionized water, it is thus achieved that silver nitrate solution；
Step 3: under room temperature and stirring condition, adds 12-15mol/L in the silver nitrate solution of step 2 Ammonia 65-75ml, it is thus achieved that two ammino silver solution；
Step 4: under 45-50 DEG C and stirring condition, adds Fructus Hordei Germinatus in two ammino silver solution of step 3 Sugar juice, mixing time 20-30min, it is thus achieved that the first mixed solution；
Step 5: the first mixed solution of step 4 is carried out ultrafiltration for the first time, treats that the first ultrafiltrate PH is During 6-7, separate the first ultrafiltrate and the first concentrated solution, it is thus achieved that the first ultrafiltrate and the first concentrated solution；
Step 6: under 30-40 DEG C and stirring condition, adding concentration in the first ultrafiltrate of step 5 is The nitric acid of 12-14mol/L, when PH reaches 5-6, adding concentration is 10-12mol/L sodium hydroxide solution, When solution PH reaches 6-7, it is thus achieved that the second mixed solution；
Step 7: the second mixing of step 6 is carried out second time ultrafiltration, when the second ultrafiltrate PH is 6-7, Separate the second ultrafiltrate and the second concentrated solution, it is thus achieved that the second ultrafiltrate and the second concentrated solution；
Step 8: by the first concentrated solution and the second concentrated solution mixing of step 7 of step 5, and add wherein Enter the deionized water of 500-800ml, i.e. obtain nanometer silver solution；
Step 9: be washed with deionized water by bafta only, dries 20-30min under conditions of 40-50 DEG C；
Step 10: the bafta after step 9 processes is positioned in the nanometer silver solution of step 8, heating To 70-80 DEG C, and keeping this temperature, heat time heating time is 80-120min；
Step 11: the bafta deionized water after step 10 processes is cleaned 2-3 time, and at 40-50 Dry 20-30min under conditions of DEG C, i.e. obtain the antibacterial environment protection bafta of the present invention.
CN201610195859.1A 2016-03-31 2016-03-31 A preparing method of an antibacterial environmental friendly cotton fabric Pending CN105862397A (en)

Priority Applications (1)

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Application Number Priority Date Filing Date Title
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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102000832A (en) * 2010-12-01 2011-04-06 中国人民解放军济南军区第四零一医院 Preparation method and purification process of nano silver
CN103203466A (en) * 2013-03-25 2013-07-17 中国人民解放军济南军区第四0一医院 Method for preparing nano silver different in grain diameter

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102000832A (en) * 2010-12-01 2011-04-06 中国人民解放军济南军区第四零一医院 Preparation method and purification process of nano silver
CN103203466A (en) * 2013-03-25 2013-07-17 中国人民解放军济南军区第四0一医院 Method for preparing nano silver different in grain diameter

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
葛婷婷 等: ""麦芽糖纳米银的制备及其对棉织物的改性研究"", 《纺织导报》 *

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Application publication date: 20160817