CN106638002B - A kind of preparation method of easy-care clothing fabric fabric stiffening agent - Google Patents
A kind of preparation method of easy-care clothing fabric fabric stiffening agent Download PDFInfo
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- CN106638002B CN106638002B CN201610990717.4A CN201610990717A CN106638002B CN 106638002 B CN106638002 B CN 106638002B CN 201610990717 A CN201610990717 A CN 201610990717A CN 106638002 B CN106638002 B CN 106638002B
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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
- D06M23/00—Treatment of fibres, threads, yarns, fabrics or fibrous goods made from such materials, characterised by the process
- D06M23/12—Processes in which the treating agent is incorporated in microcapsules
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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
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/01—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with natural macromolecular compounds or derivatives thereof
- D06M15/03—Polysaccharides or derivatives thereof
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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
- D06M16/00—Biochemical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. enzymatic
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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
- 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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- 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
- D06M2200/50—Modified hand or grip properties; Softening compositions
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Abstract
The invention discloses a kind of preparation methods of easy-care clothing fabric fabric stiffening agent, belong to printing and dyeing assistant preparing technical field.It is injected into the invention firstly uses Escherichia coli hyphal suspension in the Yellow meal worm larva body after Nature enemy, it is set to generate a large amount of antimicrobial components in vivo, regather its body fluid, it is purified after being centrifuged, as stiffening agent antimicrobial component, recycle the carboxymethyl chitosan of lauryl diglycidyl ether graft modification hydrophilic, it makes it have amphiphilic, wrap up Yellow meal worm larva extract, again homogeneous latex emulsion is mixed into polyvinyl alcohol etc., easy-care clothing fabric fabric stiffening agent is made, gained fabric stiffening agent of the invention forms strong three-dimensional reticular structure using modified carboxy methyl chitosan in fabric pore in use, and the antimicrobial component slow release of cladding can be made, it is poor to efficiently solve conventional fabrics stiffening agent wash durability, the problem of easily going mouldy during storage.
Description
Technical field
The invention discloses a kind of preparation methods of easy-care clothing fabric fabric stiffening agent, belong to printing and dyeing assistant technology of preparing
Field.
Background technology
Stiffening and smooth, the plentiful three big base styles with referred to as fabric of fabric.Many fabrics are all to the hard of its fabric
Very there are strict requirements.Stiffening agent also just becomes an important component of after-treating auxiliary.Hard finishing is by padding
Stiffening agent makes to generate cementation between the fiber in fabric yarn under certain condition, stiffening agent fibrous inside, fiber it
Between or the surface of fiber form film or generate crosslinking, to make fabric generate stiffening, thick and solid, plentiful feel.It is used extensively
During the final finishing of drapery, the especially hard finishing of casement, suitcase cloth, knitted fabric and lining cloth.
Common stiffening agent type has Lauxite, melmac, polyacrylate, polyvinyl acetate, poly- second
Enol and starch etc. and their modified product.Currently, being mainly for the stiffening after-treating auxiliary of clothing weaving in the market
Polyacrylate and polyvinyl acetate, polyvinyl alcohol and starch series.
Polyacrylate and polyvinyl acetate stiffening agent have the characteristics that fast light, ageing-resistant, not yellowing, synthesis side
Just, excellent storage stability, stiffening effect are preferable, are especially suitable for the hard finishing of cellulosic fabric, but such finishing agent arranges
Fabric lacks flexibility and solid sense afterwards, and film phonograph strength is relatively low, and stiffness is not high, and polyvinyl acetate enbrittles in addition, freeze proof
Property it is also poor, be suitable only for small range use；Polyvinyl alcohol stiffening agent rheological characteristic is good, the higher film of intensity can be formed, to fiber
Cellulose fabric has preferable stiffening effect, but since it is difficult to degrade in a natural environment, easily forms a large amount of bubble in water
Foam, not easy cleaning, and finishing agent heated rear easily softening and exudation on the fabric, water-wash resistance is poor, seriously limits it and uses model
It encloses；There is modified starch series finishing agent raw material to be easy to get, is cheap, is corrosion-free, is easy to use, is biodegradable, can make fabric
Have the advantages that preferably to endure with all one's will effect, be the maximum kind of consumption in fabric stiffening agent, total amount consumed accounts for about weaving slurry
Expect 70% or so of total amount consumed, but there is also some shortcomings for such finishing agent：By such stiffening agent arrange after fabric by
Stiffness declines fast after tide, and fabric is perishable mouldy during storage, and stiffening agent water-wash resistance it is poor, using rear fabric elasticity compared with
Difference, feel are coarse.
Invention content
Present invention mainly solves the technical issues of：Occur in use for traditional dress fabric stiffening agent water-fast
Poor performance is washed, boardness declines after making moist, elasticity reduces, and treated that fabric easily goes mouldy during storage
Problem is provided one kind using insect excretions as antimicrobial component, is wrapped up with modified carboxy methyl chitosan, iron-free clothing is made
The preparation method of fabric stiffening agent, the yellow meal worm being injected into the invention firstly uses Escherichia coli hyphal suspension after Nature enemy
In larva body, it is made to generate a large amount of antimicrobial components in vivo, regather its body fluid, purified after being centrifuged, it is anti-as stiffening agent
Bacterium ingredient recycles the carboxymethyl chitosan of lauryl diglycidyl ether graft modification hydrophilic, makes it have amphiphilic, packet
It wraps up in Yellow meal worm larva extract, then homogeneous latex emulsion is mixed into polyvinyl alcohol etc., easy-care clothing fabric fabric stiffening agent is made, this
Invention gained fabric stiffening agent forms strong three-dimensional net using modified carboxy methyl chitosan in fabric pore in use
Shape structure, and can make the antimicrobial component slow release of cladding, it is poor to efficiently solve conventional fabrics stiffening agent wash durability, storage
The problem of easily going mouldy in the process.
In order to solve the above-mentioned technical problem, the technical solution adopted in the present invention is：
（1）By inoculum concentration for 2~4% to solid medium surface seeding Escherichia coli, then solid medium is moved into permanent
Warm incubator, under the conditions of temperature is 35~37 DEG C, constant temperature incubation 2~3 days, then eluted and cultivated with 200~300mL deionized waters
Primary surface, obtains hyphal suspension, and the solid medium is by 10~15g tryptones, 6~8g beef extracts, 0.6~0.8g
Sodium chloride, 13~15g agar powders are mixed with 800~1000mL deionized waters；
（2）30~40 raisings are chosen to the Yellow meal worm larva in 3 ages, are placed in incubator, 36~48h of Nature enemy, with
Hyphal suspension obtained by as micro syringe that 1~3 μ L is above-mentioned afterwards injects each Yellow meal worm larva abdomen, then by yellow meal worm
Larva continues 36~72h of normal raising and cuts off larva front foot to the end of raising, collects efflux with capillary, then gained is flowed
Go out liquid and is transferred to centrifuge, under 8000~10000r/min speed conditions, to centrifuge 25~30min, discard lower sediment thing,
Supernatant liquor is collected to obtain, it is spare；
（3）It weighs 10~15g carboxymethyl chitosans, band is added and stirs and the three-necked flask of reflux, add 200~
300mL deionized waters adjust speed of agitator to 300~400r/min, under stirring, a concentration of 0.1~0.3mol/ are added dropwise
L sodium hydroxide solutions adjust pH to 8.8~9.2, add 10~15mL lauryl diglycidyl ethers, then set flask
In water-bath, under the conditions of temperature is 75~80 DEG C, 6~8h of back flow reaction；
（4）To the end of reaction, dropwises addition mass fraction is 10% acetic acid solution, adjusting pH to 4.4~4.6, add 300~
400mL acetone stands 10~12h, filters, and removes filtrate, and gained filter cake is transferred to vacuum drying chamber, in temperature be 50~55
Under the conditions of DEG C, dry 6~8h obtains modified carboxy methyl chitosan；
（5）It counts in parts by weight, 8~10 parts of steps is sequentially added in batch mixer（2）Spare supernatant liquor, 40~50 parts
Above-mentioned gained modified carboxy methyl chitosan, 10~15 parts of polyvinyl alcohol, 2~4 parts of Tea Saponins, 200~300 parts of deionized waters, in
Temperature is 55~60 DEG C, and under the conditions of rotating speed is 1000~1400r/min, constant temperature is stirred 2~4h, after naturally cool to room
Temperature, discharging are filling to get easy-care clothing fabric fabric stiffening agent.
The present invention application process be：First by volume 1:10, easy-care clothing fabric fabric produced by the present invention is hard
Very agent is uniformly mixed with water, then presses bath raio 10:1~15:1, pure cotton clothing is immersed in mixed liquor, using two leachings two
Sizing technique is rolled, hard finishing is carried out to pure cotton clothing, then clothing is taken out, processing 2~3 is baked at 100~160 DEG C
Min, then clothing is cleaned with 40 DEG C of water, finally dry.After testing, using the tearing brute force of fabric after stiffening agent of the present invention
Retention rate and breaking strength retention have a preferable elastic recovery capability up to 62~68%, the stiffening value of fabric up to 8.4~
11.2cm, stiffness improve 35~45% compared with using traditional stiffening agent, fabric after 6~8 washings, endure with all one's will value for 7.2~
9.2cm, wash durability is excellent, and fabric stiffening agent of the present invention to Bacteria suppression rate up to 90% or more, there is preferable antibacterial work
With effectively fabric capable of being avoided to occur situation of going mouldy in storing process.
The beneficial effects of the invention are as follows：
（1）Easy-care clothing fabric fabric stiffening agent produced by the present invention has the advantages that stability is good, water-wash resistance is good, on
Fabric appearance after slurry is well-pressed, and feel is gentle soft and has good elasticity, is not susceptible to moisture absorption and eases back phenomenon, is especially suitable for
The starching of natural fiber is handled；
（2）Easy-care clothing fabric fabric stiffening agent produced by the present invention has fabulous inhibiting effect to general bacterium,
Fabric is after the arrangement of the stiffening agent, and stiffness obtains larger raising, while fabric is not easy to go mouldy in storing process.
Specific implementation mode
Inoculum concentration is pressed first as 2~4% to solid medium surface seeding Escherichia coli, then moves into solid medium
Constant incubator, under the conditions of temperature is 35~37 DEG C, constant temperature incubation 2~3 days, then eluted and trained with 200~300mL deionized waters
Support primary surface, obtain hyphal suspension, the solid medium be by 10~15g tryptones, 6~8g beef extracts, 0.6~
0.8g sodium chloride, 13~15g agar powders are mixed with 800~1000mL deionized waters；Then choose 30~40 raisings extremely
The Yellow meal worm larva in 3 ages, is placed in incubator, 36~48h of Nature enemy, then by micro syringe by the above-mentioned institutes of 1~3 μ L
It obtains hyphal suspension and injects each Yellow meal worm larva abdomen, then Yellow meal worm larva is continued into 36~72h of normal raising, wait raising
Terminate, cut off larva front foot, efflux is collected with capillary, then gained efflux is transferred to centrifuge, with 8000~10000r/
Under min speed conditions, 25~30min is centrifuged, lower sediment thing is discarded, collects to obtain supernatant liquor, it is spare；Weigh 10 again~
15g carboxymethyl chitosans are added the three-necked flask with stirring and reflux, add 200~300mL deionized waters, adjust
Speed of agitator is to 300~400r/min, and under stirring, a concentration of 0.1~0.3mol/L sodium hydroxide solutions are added dropwise, adjust
PH to 8.8~9.2, adds 10~15mL lauryl diglycidyl ethers, then flask is placed in water-bath, is in temperature
Under the conditions of 75~80 DEG C, 6~8h of back flow reaction；To the end of reaction, dropwise addition mass fraction is 10% acetic acid solution, adjusts pH to 4.4
~4.6,300~400mL acetone is added, 10~12h is stood, is filtered, removes filtrate, and gained filter cake is transferred to vacuum drying
Case, under the conditions of temperature is 50~55 DEG C, dry 6~8h obtains modified carboxy methyl chitosan；It finally counts in parts by weight, mixed
Sequentially add 8~10 parts of spare supernatant liquors of above-mentioned steps in material machine, 40~50 parts of above-mentioned gained modified carboxy methyl chitosans, 10
~15 parts of polyvinyl alcohol, 2~4 parts of Tea Saponins, 200~300 parts of deionized waters, in temperature be 55~60 DEG C, rotating speed be 1000~
Under the conditions of 1400r/min, constant temperature is stirred 2~4h, and after naturally cool to room temperature, discharging is filling to get easy-care clothing fabric
Fabric stiffening agent.
Example 1
Inoculum concentration is pressed first as 2% to solid medium surface seeding Escherichia coli, and solid medium is then moved into constant temperature
Incubator, under the conditions of temperature is 35 DEG C, constant temperature incubation 2 days, then media surface is eluted with 200mL deionized waters, obtain mycelia
Suspension, the solid medium are by 10g tryptones, 6g beef extracts, 0.6g sodium chloride, 13g agar powders, with 800mL
Deionized water mixes；30 raisings are then chosen to the Yellow meal worm larva in 3 ages, are placed in incubator, Nature enemy 36h,
Hyphal suspension obtained by then as micro syringe that 1 μ L is above-mentioned injects each Yellow meal worm larva abdomen, then by yellow meal worm
Larva continues normal raising 36h and cuts off larva front foot to the end of raising, and efflux is collected with capillary, then by gained efflux
It is transferred to centrifuge, under 8000r/min speed conditions, to centrifuge 25min, discard lower sediment thing, collect to obtain supernatant liquor,
It is spare；10g carboxymethyl chitosans are weighed again, and the three-necked flask with stirring and reflux is added, adds 200mL deionizations
Water adjusts speed of agitator to 300r/min, under stirring, a concentration of 0.1mol/L sodium hydroxide solutions is added dropwise, adjust pH
To 8.8,10mL lauryl diglycidyl ethers are added, then flask is placed in water-bath, under the conditions of temperature is 75 DEG C,
Back flow reaction 6h；To the end of reaction, dropwise addition mass fraction is 10% acetic acid solution, adjusts pH to 4.4, adds 300mL acetone,
10h is stood, is filtered, removes filtrate, and gained filter cake is transferred to vacuum drying chamber, under the conditions of temperature is 50 DEG C, dry 6h is obtained
Modified carboxy methyl chitosan；It finally counts in parts by weight, 8 parts of spare supernatant liquors of above-mentioned steps is sequentially added in batch mixer,
40 parts of above-mentioned gained modified carboxy methyl chitosans, 10 parts of polyvinyl alcohol, 2 parts of Tea Saponins, 200 parts of deionized waters, in temperature be 55
DEG C, under the conditions of rotating speed is 1000r/min, constant temperature is stirred 2h, and after naturally cool to room temperature, discharging is filling to get non-ironing clothes
Fill fabric stiffening agent.
This example operation is easy, in use, first by volume 1:10, by easy-care clothing fabric fabric produced by the present invention
Stiffening agent is uniformly mixed with water, then presses bath raio 10:1, pure cotton clothing is immersed in mixed liquor, is rolled using two leachings two
Sizing process carries out hard finishing to pure cotton clothing, then takes out clothing, processing 2min is baked at 100 DEG C, then clothing is used
40 DEG C of water are cleaned, and are finally dried.After testing, strong using the tearing brute force retention rate of fabric after stiffening agent of the present invention and fracture
Power retention rate up to 62%, there is preferable elastic recovery capability, the stiffening value of fabric to reach 8.4cm, stiffness is relatively stiffening using tradition
Agent improves 35%, and fabric is after 8 washings, and it is 7.2cm to endure with all one's will value, and wash durability is excellent, and fabric stiffening agent pair of the present invention
Bacteria suppression rate has preferable bacteriostasis, effectively fabric can be avoided to occur situation of going mouldy in storing process up to 91%.
Example 2
Inoculum concentration is pressed first as 3% to solid medium surface seeding Escherichia coli, and solid medium is then moved into constant temperature
Incubator, under the conditions of temperature is 36 DEG C, constant temperature incubation 2 days, then media surface is eluted with 250mL deionized waters, obtain mycelia
Suspension, the solid medium are by 13g tryptones, 7g beef extracts, 0.7g sodium chloride, 14g agar powders, with 900mL
Deionized water mixes；35 raisings are then chosen to the Yellow meal worm larva in 3 ages, are placed in incubator, Nature enemy 42h,
Hyphal suspension obtained by then as micro syringe that 2 μ L are above-mentioned injects each Yellow meal worm larva abdomen, then by yellow meal worm
Larva continues normal raising 54h and cuts off larva front foot to the end of raising, and efflux is collected with capillary, then by gained efflux
It is transferred to centrifuge, under 9000r/min speed conditions, to centrifuge 28min, discard lower sediment thing, collect to obtain supernatant liquor,
It is spare；13g carboxymethyl chitosans are weighed again, and the three-necked flask with stirring and reflux is added, adds 250mL deionizations
Water adjusts speed of agitator to 350r/min, under stirring, a concentration of 0.2mol/L sodium hydroxide solutions is added dropwise, adjust pH
To 9.0,13mL lauryl diglycidyl ethers are added, then flask is placed in water-bath, under the conditions of temperature is 78 DEG C,
Back flow reaction 7h；To the end of reaction, dropwise addition mass fraction is 10% acetic acid solution, adjusts pH to 4.5, adds 350mL acetone,
11h is stood, is filtered, removes filtrate, and gained filter cake is transferred to vacuum drying chamber, under the conditions of temperature is 53 DEG C, dry 7h is obtained
Modified carboxy methyl chitosan；It finally counts in parts by weight, 9 parts of spare supernatant liquors of above-mentioned steps is sequentially added in batch mixer,
45 parts of above-mentioned gained modified carboxy methyl chitosans, 13 parts of polyvinyl alcohol, 3 parts of Tea Saponins, 250 parts of deionized waters, in temperature be 58
DEG C, under the conditions of rotating speed is 1200r/min, constant temperature is stirred 3h, and after naturally cool to room temperature, discharging is filling to get non-ironing clothes
Fill fabric stiffening agent.
This example operation is easy, in use, first by volume 1:10, by easy-care clothing fabric fabric produced by the present invention
Stiffening agent is uniformly mixed with water, then presses bath raio 13:1, pure cotton clothing is immersed in mixed liquor, rolls starching using two leachings two
Technique carries out hard finishing to pure cotton clothing, then takes out clothing, 2 min of processing is baked at 130 DEG C, then clothing is used
40 DEG C of water are cleaned, and are finally dried.After testing, strong using the tearing brute force retention rate of fabric after stiffening agent of the present invention and fracture
Power retention rate up to 65%, there is preferable elastic recovery capability, the stiffening value of fabric to reach 9.8cm, stiffness is relatively stiffening using tradition
Agent improves 40%, and fabric is after 7 washings, and it is 8.2cm to endure with all one's will value, and wash durability is excellent, and fabric stiffening agent pair of the present invention
Bacteria suppression rate has preferable bacteriostasis, effectively fabric can be avoided to occur situation of going mouldy in storing process up to 92%.
Example 3
Inoculum concentration is pressed first as 4% to solid medium surface seeding Escherichia coli, and solid medium is then moved into constant temperature
Incubator, under the conditions of temperature is 37 DEG C, constant temperature incubation 3 days, then media surface is eluted with 300mL deionized waters, obtain mycelia
Suspension, the solid medium are by 15g tryptones, 8g beef extracts, 0.8g sodium chloride, 15g agar powders, with 1000mL
Deionized water mixes；40 raisings are then chosen to the Yellow meal worm larva in 3 ages, are placed in incubator, Nature enemy 48h,
Hyphal suspension obtained by then as micro syringe that 3 μ L are above-mentioned injects each Yellow meal worm larva abdomen, then by yellow meal worm
Larva continues normal raising 72h and cuts off larva front foot to the end of raising, and efflux is collected with capillary, then by gained efflux
Be transferred to centrifuge, under 10000r/min speed conditions, centrifuge 30min, discard lower sediment thing, collect upper layer is clear
Liquid, it is spare；Weigh 15g carboxymethyl chitosans again, band be added and stirs and the three-necked flask of reflux, add 300mL go from
Sub- water adjusts speed of agitator to 400r/min, under stirring, a concentration of 0.3mol/L sodium hydroxide solutions is added dropwise, adjusts
PH to 9.2 adds 15mL lauryl diglycidyl ethers, then flask is placed in water-bath, in temperature be 80 DEG C of conditions
Under, back flow reaction 8h；To the end of reaction, dropwise addition mass fraction is 10% acetic acid solution, adjusts pH to 4.6, adds 400mL third
Ketone stands 12h, filters, and removes filtrate, and gained filter cake is transferred to vacuum drying chamber, dry under the conditions of temperature is 55 DEG C
8h obtains modified carboxy methyl chitosan；It finally counts in parts by weight, 10 parts of spare upper layers of above-mentioned steps is sequentially added in batch mixer
Clear liquid, 50 parts of above-mentioned gained modified carboxy methyl chitosans, 15 parts of polyvinyl alcohol, 4 parts of Tea Saponins, 300 parts of deionized waters, in temperature
It it is 60 DEG C, under the conditions of rotating speed is 1400r/min, constant temperature is stirred 4h, and after naturally cool to room temperature, discharging is filling to get exempting from
Scald garment material fabric stiffening agent.
This example operation is easy, in use, first by volume 1:10, by easy-care clothing fabric fabric produced by the present invention
Stiffening agent is uniformly mixed with water, then presses bath raio 15:1, pure cotton clothing is immersed in mixed liquor, rolls starching using two leachings two
Technique carries out hard finishing to pure cotton clothing, then takes out clothing, 3 min of processing is baked at 160 DEG C, then clothing is used
40 DEG C of water are cleaned, and are finally dried.After testing, strong using the tearing brute force retention rate of fabric after stiffening agent of the present invention and fracture
Power retention rate up to 68%, there is preferable elastic recovery capability, the stiffening value of fabric to reach 11.2cm, stiffness is relatively hard using tradition
Very agent improves 45%, and fabric is after 6 washings, and it is 9.2cm to endure with all one's will value, and wash durability is excellent, and fabric stiffening agent of the present invention
To Bacteria suppression rate up to 93%, there is preferable bacteriostasis, effectively fabric can be avoided to occur situation of going mouldy in storing process.
Claims (1)
1. a kind of preparation method of easy-care clothing fabric fabric stiffening agent, it is characterised in that specifically preparation process is：
（1）By inoculum concentration for 2~4% to solid medium surface seeding Escherichia coli, solid medium is then moved into constant temperature training
Case is supported, under the conditions of temperature is 35~37 DEG C, constant temperature incubation 2~3 days, then elute culture base table with 200~300mL deionized waters
Face, obtains hyphal suspension, and the solid medium is by 10~15g tryptones, 6~8g beef extracts, 0.6~0.8g chlorinations
Sodium, 13~15g agar powders are mixed with 800~1000mL deionized waters；
（2）30~40 raisings are chosen to the Yellow meal worm larva in 3 ages, are placed in incubator, 36~48h of Nature enemy, it is then logical
It crosses micro syringe and the above-mentioned gained hyphal suspensions of 1~3 μ L is injected into each Yellow meal worm larva abdomen, then by Yellow meal worm larva
Continue 36~72h of normal raising and cut off larva front foot to the end of raising, efflux is collected with capillary, then by gained efflux
It is transferred to centrifuge, under 8000~10000r/min speed conditions, to centrifuge 25~30min, discard lower sediment thing, is collected
Supernatant liquor is obtained, it is spare；
（3）It weighs 10~15g carboxymethyl chitosans, band is added and stirs and the three-necked flask of reflux, add 200~
300mL deionized waters adjust speed of agitator to 300~400r/min, under stirring, a concentration of 0.1~0.3mol/ are added dropwise
L sodium hydroxide solutions adjust pH to 8.8~9.2, add 10~15mL lauryl diglycidyl ethers, then set flask
In water-bath, under the conditions of temperature is 75~80 DEG C, 6~8h of back flow reaction；
（4）To the end of reaction, dropwise addition mass fraction is 10% acetic acid solution, adjusts pH to 4.4~4.6, adds 300~400mL
Acetone stands 10~12h, filters, and removes filtrate, and gained filter cake is transferred to vacuum drying chamber, in temperature be 50~55 DEG C of items
Under part, dry 6~8h obtains modified carboxy methyl chitosan；
（5）It counts in parts by weight, 8~10 parts of steps is sequentially added in batch mixer（2）Spare supernatant liquor, 40~50 parts above-mentioned
Gained modified carboxy methyl chitosan, 10~15 parts of polyvinyl alcohol, 2~4 parts of Tea Saponins, 200~300 parts of deionized waters, in temperature
It it is 55~60 DEG C, under the conditions of rotating speed is 1000~1400r/min, constant temperature is stirred 2~4h, after naturally cool to room temperature, goes out
Material, it is filling to get easy-care clothing fabric fabric stiffening agent.
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|---|---|---|---|---|
| CN102677475A (en) * | 2012-04-01 | 2012-09-19 | 江南大学 | Biological enzyme process antibacterial and anti-wrinkle finishing method of silk fabric |
| CN105040410A (en) * | 2015-09-07 | 2015-11-11 | 江苏阳光股份有限公司 | Method for treating thermal inductance non-ironing all-cotton shirt |
| CN105839387A (en) * | 2016-04-01 | 2016-08-10 | 太仓市锦达印染有限公司 | Crease-resistant deformation-preventing finishing process for cotton fabric |
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