CN106637928A - Preparation method of rice husk fabric softening agent - Google Patents
Preparation method of rice husk fabric softening agent Download PDFInfo
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- CN106637928A CN106637928A CN201611030407.4A CN201611030407A CN106637928A CN 106637928 A CN106637928 A CN 106637928A CN 201611030407 A CN201611030407 A CN 201611030407A CN 106637928 A CN106637928 A CN 106637928A
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- softening agent
- rice husk
- hull ash
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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
- D06M11/77—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 silicon or compounds thereof
- D06M11/79—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 silicon or compounds thereof with silicon dioxide, silicic acids or their salts
-
- 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
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/10—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing oxygen
- D06M13/184—Carboxylic acids; Anhydrides, halides or salts thereof
- D06M13/207—Substituted carboxylic acids, e.g. by hydroxy or keto groups; Anhydrides, halides or salts thereof
-
- 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
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/322—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with compounds containing nitrogen
- D06M13/325—Amines
- D06M13/342—Amino-carboxylic acids; Betaines; Aminosulfonic acids; Sulfo-betaines
-
- 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
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/37—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/507—Polyesters
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Detergent Compositions (AREA)
Abstract
The invention discloses a preparation method of a rice husk fabric softening agent, and belongs to the technical field of preparation of printing and dyeing auxiliaries. According to the preparation method, silicon dioxide in rice husk ash serves as soft particles and is modified by pineapple juice rich in amino acid, the number of the surface active groups of the soft particles is increased, the water dispersibility is improved, and the surface active groups and plant fibers can form chemical bonding to achieve a washable effect; when the fabric fiber and other interface generate relative motion, the rice husk ash particles on the surfaces of the fibers generate microscopic motion such as extrusion, denaturation and slide rolling, so that the friction coefficient of the fibers is reduced; and sucrose polyester can form one layer of adsorbing film on the surface of the plant fiber, so that the fiber surface energy is reduced, wetting protection is provided, and the fabric is endowed with softness and smoothness; and the fabric softening agent prepared by the method mainly comprises ester groups which are easily decomposed into fatty acid and cationic metabolites during sewage treatment, so the fabric softening agent is easy in biodegradation, and is insusceptible to yellowing and is more washable compared with the traditional softening agent.
Description
Technical field
The invention discloses a kind of preparation method of rice husk fabric softener, belongs to textile auxiliary preparing technical field.
Background technology
With the improvement of people's living standards, requirement more and more higher of the people to fabric sofetening degree, textile industry will
Soft treatment is used as improve product quality and the important means of added value.Natural fiber in Final finishing, using various resins, though
Can shrinkproof, wrinkle resistant, quick-drying, non-ironing, make fabric that there is the fine superior function of some conjunctions, but feel becomes thick and stiff, under tearing brute force
Drop, therefore soft treatment must be carried out.Close fine fabric, flexibility itself is poor, in recent years after a large amount of development, soft treatment it is important
Property is more projected.Particularly nearest superfine fibre is continually developed, with greater need for corresponding super softening agent, meeting market
Need.Softening agent has become improve product quality in textile printing and dyeing processing, after the requisite one kind of increase surcharge is important
Finishing agent.
Softening agent is that one kind can be adsorbed in fabric fibre surface and smooth fiber surface, to change feel, makes fabric
More there is the textile auxiliary of comfort.Softening agent is broadly divided into drying-type softening agent, rinsing type softening agent, difunctional softening agent.Dry
Dry type softening agent is mainly using non-woven fabrics or paper as carrier, and active matter is adsorbed on carrier, and fabric puts drying into simultaneously
In machine, at the temperature and agitation of dryer, carrier release active matter reaches fabric face.Release to fabric to improve active matter
The speed put and the uniformity, usually also add the modifiers such as macrogol ester, fatty acid amine soap simultaneously；Rinsing type softening agent is referred to
Softening agent is added in rinse stage, is adsorbed on fabric, reach soft effect, the form of product is based on aqueous based dispersions；It is double
Function softening agent is referred to and has washing and soft bifunctional softening detergent concurrently, and product form is divided into 2 kinds of liquid and powdery.
Either drying-type softening agent or rinsing type softening agent be also or difunctional softness for existing fabric softener
Agent, all deposits fabric washability variation, fabric yellowing phenomenon after use, while the fabric after processing has certain stimulation to human body
Property, and softening agent biodegradability is poor, using rear also environment can be caused necessarily to endanger, therefore, a kind of natural, nothing of exploitation
The good fabric softener of stimulation, soft treatment effect becomes the developing direction of fabric softener.
The content of the invention
Present invention mainly solves technical problem：For at present common fabric softener fabric washability after use
Difference, has yellowing phenomenon, has certain excitant, and the defect of biodegradability difference to human body, there is provided one kind rice husk
Pyrolysis calcining is obtained rice hull ash particle, then modified to it with pineapple juice and microorganism, SPE is obtained using sucrose, in chelating
The method that fabric softener is obtained with modified rice hull ash compounding in the presence of agent, the present invention is using the silica work in rice hull ash
For soft particle, pineapple juices of the Jing rich in amino acid is modified in the presence of microorganism, increases its surface active groups quantity, carries
It is high-dispersed, and its surface active groups can form chemical bonding and string between, reach washing-resistant effect, when
When fabric fibre and other interfaces occur relative motion, rice hull ash particle generation extruding, denaturation and sliding rolling of fiber surface etc. are micro-
Motion is seen, interfibrous coefficient of friction is reduced, and SPE can form one layer of adsorbed film in plant fibre surface, reduce fiber
Surface energy, there is provided wetting protection, gives fabric sofetening and smoothness, is with ester group in the obtained fabric softener of the present invention
It is main, aliphatic acid and cation metabolin are readily broken down into during later stage degradation, thus be readily biodegradable, and compare biography
System softening agent, will not produce Yellowing, more resistant to washing, have broad application prospects.
In order to solve above-mentioned technical problem, the technical solution adopted in the present invention is：
（1）Rice husk is soaked into filtration drying after 10～12h with 40～50 DEG C of warm water, then dried rice husk is proceeded into corundum and ground
Alms bowl grinds 20～30min and obtains powdered rice hulls, is 1 by solid-to-liquid ratio:10 by powdered rice hulls immersion mass fraction be 10% malic acid in, plus
Heat is boiled and filtered after 3～5h, obtains filter residue；
（2）Filter residue obtained above is put into tube type resistance furnace, first nitrogen is passed through in stove with 5mL/min speed, 500～
It is pyrolyzed at 550 DEG C after 30～40min, stopping is passed through nitrogen and switchs to be passed through oxygen with phase same rate and be heated to 700～800
DEG C insulation calcining 1～2h after obtain a nanometer rice hull ash particle；
（3）Take pineapple to squeeze the juice, be in mass ratio 1:8 will be fitted into fermentation tank work after rice hull ash obtained above and pineapple juice mixing
For fermentation substrate, bacillus subtilis is accessed in fermentation substrate for 10% by inoculum concentration, issued at 30～40 DEG C after sealing tank mouth
Ferment 12～14 days, subsequently takes out tunning, is centrifugally separating to obtain lower sediment, that is, be modified rice hull ash particle, standby；
（4）The sugarcane of harvesting is cut into the segment of 3～5cm, is put into squeezer and is squeezed, collect the sugar-cane juice that squeezing is obtained, will
The sugar-cane juice for obtaining is proceeded in iron pan, and slowly stewed 3～5h obtains concentrating saccharose slurry to endure to boiling slow fire；
（5）In mass ratio it is 5:1:1:50 is rearmounted by above-mentioned concentrating saccharose slurry and the mixing of potassium oleate, potassium carbonate and methyl oleate
In there-necked flask, oil bath heating, when temperature of charge reaches 100 DEG C, vacuumizes and maintains pressure of the inside of a bottle to be 700 to flask
～800Pa, continues to be heated to 140～150 DEG C, after 4～5h of reaction, reactant 12～14h of stratification is taken out, in collection
Layer grease, i.e. SPE；
（6）In mass ratio it is 10 by SPE obtained above, sodium metasilicate, citric acid：2：The total matter of three is added to after 1 mixing
In the deionized water of 8～10 times of amount, Jing after ultrasonic disperse instrument disperses 20～30min at 60～70 DEG C, SPE is added
Etc. the standby modified rice hull ash particle of quality, continue the tannic acid for disperseing to add the quality such as citric acid after 20～30min, stirring
Reactant liquor is spray-dried after 1～2h of reaction, you can obtain powder fabric softness agent.
The present invention application process be：First in mass ratio 1:15, fabric softener obtained in the present invention and water are stirred
10～15min of mixing, subsequently presses bath raio 1:8～1:15, wool fabric is completely immersed in mixed liquor, subsequently stand at room temperature
30～60min of immersion, then wool fabric taking-up is cleaned with 25～40 DEG C of water, finally dry naturally.After testing, using this
Up to 30～35cm, tearing brute force retention rate reaches the bending length of fabric and breaking strength retention reaches after invention fabric softener
65～75%, with preferable elastic recovery capability, fabric still can keep fine and smooth soft and smooth feel Jing after 10～15 washings,
There is not yellowing phenomenon, wash excellent in te pins of durability, and fabric softener biodegradable of the present invention is good, to skin irritation index
For 0, without any hypersensitive, with preferable bacteriostasis, to Bacteria suppression rate up to more than 92%, fabric is effectively prevent
Mildew phenomena during holding.
The invention has the beneficial effects as follows：
（1）Fabric softener biological degradability of the invention obtained is good, will not be to environment, and using this after use
Bright softening agent process after fabric elasticity it is good, be less prone to deformation, buckling phenomena；
（2）Obtained fabric softener hydrophilic effect of the invention is good, it is adaptable to which various fabrics such as cotton, hair, real silk, bamboo fibre are knitted
Thing, the fabrics feel soft, smooth abrasion-proof after process, washability is good, without yellowing phenomenon, with preferable using effect.
Specific embodiment
First rice husk is soaked into filtration drying after 10～12h with 40～50 DEG C of warm water, then dried rice husk is proceeded to
Corundum 20～30min of mortar grinder obtains powdered rice hulls, is 1 by solid-to-liquid ratio:Powdered rice hulls immersion mass fraction is 10% malic acid by 10
In, heating is boiled and filtered after 3～5h, obtains filter residue；Subsequently filter residue obtained above is put into tube type resistance furnace, first with 5mL/
Min speed is passed through nitrogen in stove, and after being pyrolyzed 30～40min at 500～550 DEG C, stopping is passed through nitrogen and switchs to mutually synchronized
Rate is passed through oxygen and is heated to after 700～800 DEG C of insulation 1～2h of calcining and obtains a nanometer rice hull ash particle；Pineapple squeezing is taken again
Juice, is in mass ratio 1:8 will be fitted into fermentation tank as fermentation substrate after rice hull ash obtained above and pineapple juice mixing, by connecing
Kind of amount accesses bacillus subtilis in fermentation substrate for 10%, seals after tank mouth in 30～40 DEG C of bottom fermentations 12～14 days, subsequently
Tunning is taken out, lower sediment is centrifugally separating to obtain, that is, be modified rice hull ash particle, standby；Again the sugarcane of harvesting is cut into 3
The segment of～5cm, is put into squeezer and squeezes, and collects the sugar-cane juice that squeezing is obtained, and the sugar-cane juice for obtaining is proceeded in iron pan, endures
Slowly stewed 3～5h obtains concentrating saccharose slurry to slow fire to after seething with excitement；In mass ratio it is subsequently 5:1:1:50 by above-mentioned concentrating saccharose slurry and
It is placed in there-necked flask after the mixing of potassium oleate, potassium carbonate and methyl oleate, oil bath heating, when temperature of charge reaches 100 DEG C
When, vacuumize and maintain pressure of the inside of a bottle to be 700～800Pa to flask, continue to be heated to 140～150 DEG C, react 4～5h
Afterwards, reactant 12～14h of stratification is taken out, collects upper strata grease, i.e. SPE；Finally sucrose obtained above is gathered
Ester, sodium metasilicate, citric acid are 10 in mass ratio：2：It is added in the deionized water of 8～10 times of three's gross mass after 1 mixing, Jing
After ultrasonic disperse instrument disperses 20～30min at 60～70 DEG C, the standby modified rice hull ash of the quality such as SPE is added
Grain, continues the tannic acid for disperseing to add the quality such as citric acid after 20～30min, and reactant liquor is sprayed after 1～2h of stirring reaction
It is dried, you can obtain powder fabric softness agent.
Example 1
Filtration drying after warm water immersion 10h first by rice husk with 40 DEG C, then dried rice husk is proceeded into corundum mortar grinder
20min obtains powdered rice hulls, is 1 by solid-to-liquid ratio:Powdered rice hulls immersion mass fraction is that in 10% malic acid, heating is boiled after 3h by 10
Filter, obtain filter residue；Subsequently filter residue obtained above is put into tube type resistance furnace, is first passed through in stove with 5mL/min speed
Nitrogen, is pyrolyzed at 500 DEG C after 30min, and stopping is passed through nitrogen and switchs to be passed through oxygen with phase same rate and be heated to 700 DEG C
A nanometer rice hull ash particle is obtained after insulation calcining 1h；Pineapple is taken again to squeeze the juice, and is in mass ratio 1:8 by rice hull ash obtained above and
It is fitted into fermentation tank as fermentation substrate after pineapple juice mixing, bacillus subtilis is accessed in fermentation substrate for 10% by inoculum concentration
Bacterium, in 30 DEG C of bottom fermentations 12 days after sealing tank mouth, subsequently takes out tunning, is centrifugally separating to obtain lower sediment, that is, be modified
Rice hull ash particle, it is standby；The sugarcane of harvesting is cut into again the segment of 3cm, is put into squeezer and is squeezed, it is sweet that collection squeezing is obtained
Sugarcane juice, the sugar-cane juice for obtaining is proceeded in iron pan, and slowly stewed 3h obtains concentrating saccharose slurry to endure to boiling slow fire；Subsequently in mass ratio
For 5:1:1:50 will be placed in there-necked flask after above-mentioned concentrating saccharose slurry and the mixing of potassium oleate, potassium carbonate and methyl oleate, oil
Bath heating, when temperature of charge reaches 100 DEG C, vacuumizes and maintains pressure of the inside of a bottle for 700Pa, continuation heat temperature raising to flask
To 140 DEG C, after reaction 4h, reactant stratification 12h is taken out, collect upper strata grease, i.e. SPE；Finally obtain above-mentioned
SPE, sodium metasilicate, the citric acid for arriving is 10 in mass ratio：2：The deionized water of 8 times of three's gross mass is added to after 1 mixing
In, Jing after ultrasonic disperse instrument disperses 20min at 60 DEG C, the standby modified rice hull ash particle of the quality such as SPE is added,
Continue the tannic acid for disperseing to add the quality such as citric acid after 20min, be spray-dried reactant liquor after stirring reaction 1h, you can
To powder fabric softness agent.
This example operation is easy, when using, first in mass ratio 1:15, fabric softener obtained in the present invention and water are stirred
Mixing 10min is mixed, bath raio 1 is subsequently pressed:8, wool fabric is completely immersed in mixed liquor, subsequently it is standing and soak at room temperature
30min, then wool fabric taking-up is cleaned with 25 DEG C of water, finally dry naturally.After testing, using fabric sofetening of the present invention
The bending length of fabric reaches 30cm after agent, and tearing brute force retention rate reaches and breaking strength retention is up to 65%, with preferable bullet
Property recovery capability, fabric still can keep fine and smooth soft and smooth feel, yellowing phenomenon do not occur, wash durable Jing after 10 washings
Property it is excellent, and fabric softener biodegradable of the present invention is good, is 0 to skin irritation index, without any hypersensitive, tool
There are preferable bacteriostasis, to Bacteria suppression rate up to 93%, effectively prevent mildew phenomena of the fabric during holding.
Example 2
Filtration drying after warm water immersion 11h first by rice husk with 45 DEG C, then dried rice husk is proceeded into corundum mortar grinder
25min obtains powdered rice hulls, is 1 by solid-to-liquid ratio:Powdered rice hulls immersion mass fraction is that in 10% malic acid, heating is boiled after 4h by 10
Filter, obtain filter residue；Subsequently filter residue obtained above is put into tube type resistance furnace, is first passed through in stove with 5mL/min speed
Nitrogen, is pyrolyzed at 525 DEG C after 35min, and stopping is passed through nitrogen and switchs to be passed through oxygen with phase same rate and be heated to 750 DEG C
A nanometer rice hull ash particle is obtained after insulation calcining 1h；Pineapple is taken again to squeeze the juice, and is in mass ratio 1:8 by rice hull ash obtained above and
It is fitted into fermentation tank as fermentation substrate after pineapple juice mixing, bacillus subtilis is accessed in fermentation substrate for 10% by inoculum concentration
Bacterium, in 35 DEG C of bottom fermentations 13 days after sealing tank mouth, subsequently takes out tunning, is centrifugally separating to obtain lower sediment, that is, be modified
Rice hull ash particle, it is standby；The sugarcane of harvesting is cut into again the segment of 4cm, is put into squeezer and is squeezed, it is sweet that collection squeezing is obtained
Sugarcane juice, the sugar-cane juice for obtaining is proceeded in iron pan, and slowly stewed 4h obtains concentrating saccharose slurry to endure to boiling slow fire；Subsequently in mass ratio
For 5:1:1:50 will be placed in there-necked flask after above-mentioned concentrating saccharose slurry and the mixing of potassium oleate, potassium carbonate and methyl oleate, oil
Bath heating, when temperature of charge reaches 100 DEG C, vacuumizes and maintains pressure of the inside of a bottle for 750Pa, continuation heat temperature raising to flask
To 145 DEG C, after reaction 4h, reactant stratification 13h is taken out, collect upper strata grease, i.e. SPE；Finally obtain above-mentioned
SPE, sodium metasilicate, the citric acid for arriving is 10 in mass ratio：2：The deionized water of 9 times of three's gross mass is added to after 1 mixing
In, Jing after ultrasonic disperse instrument disperses 25min at 65 DEG C, the standby modified rice hull ash particle of the quality such as SPE is added,
Continue the tannic acid for disperseing to add the quality such as citric acid after 25min, be spray-dried reactant liquor after stirring reaction 1h, you can
To powder fabric softness agent.
This example operation is easy, when using, first in mass ratio 1:15, fabric softener obtained in the present invention and water are stirred
Mixing 13min is mixed, bath raio 1 is subsequently pressed:11, wool fabric is completely immersed in mixed liquor, subsequently it is standing and soak at room temperature
45min, then wool fabric taking-up is cleaned with 32 DEG C of water, finally dry naturally.After testing, using fabric sofetening of the present invention
The bending length of fabric reaches 33cm after agent, and tearing brute force retention rate reaches and breaking strength retention is up to 70%, with preferable bullet
Property recovery capability, fabric still can keep fine and smooth soft and smooth feel, yellowing phenomenon do not occur, wash durable Jing after 13 washings
Property it is excellent, and fabric softener biodegradable of the present invention is good, is 0 to skin irritation index, without any hypersensitive, tool
There are preferable bacteriostasis, to Bacteria suppression rate up to 94%, effectively prevent mildew phenomena of the fabric during holding.
Example 3
Filtration drying after warm water immersion 12h first by rice husk with 50 DEG C, then dried rice husk is proceeded into corundum mortar grinder
30min obtains powdered rice hulls, is 1 by solid-to-liquid ratio:Powdered rice hulls immersion mass fraction is that in 10% malic acid, heating is boiled after 5h by 10
Filter, obtain filter residue；Subsequently filter residue obtained above is put into tube type resistance furnace, is first passed through in stove with 5mL/min speed
Nitrogen, is pyrolyzed at 550 DEG C after 40min, and stopping is passed through nitrogen and switchs to be passed through oxygen with phase same rate and be heated to 800 DEG C
A nanometer rice hull ash particle is obtained after insulation calcining 2h；Pineapple is taken again to squeeze the juice, and is in mass ratio 1:8 by rice hull ash obtained above and
It is fitted into fermentation tank as fermentation substrate after pineapple juice mixing, bacillus subtilis is accessed in fermentation substrate for 10% by inoculum concentration
Bacterium, in 40 DEG C of bottom fermentations 14 days after sealing tank mouth, subsequently takes out tunning, is centrifugally separating to obtain lower sediment, that is, be modified
Rice hull ash particle, it is standby；The sugarcane of harvesting is cut into again the segment of 5cm, is put into squeezer and is squeezed, it is sweet that collection squeezing is obtained
Sugarcane juice, the sugar-cane juice for obtaining is proceeded in iron pan, and slowly stewed 5h obtains concentrating saccharose slurry to endure to boiling slow fire；Subsequently in mass ratio
For 5:1:1:50 will be placed in there-necked flask after above-mentioned concentrating saccharose slurry and the mixing of potassium oleate, potassium carbonate and methyl oleate, oil
Bath heating, when temperature of charge reaches 100 DEG C, vacuumizes and maintains pressure of the inside of a bottle for 800Pa, continuation heat temperature raising to flask
To 150 DEG C, after reaction 5h, reactant stratification 4h is taken out, collect upper strata grease, i.e. SPE；Finally obtain above-mentioned
SPE, sodium metasilicate, the citric acid for arriving is 10 in mass ratio：2：The deionization of 10 times of three's gross mass is added to after 1 mixing
In water, Jing after ultrasonic disperse instrument disperses 30min at 70 DEG C, the standby modified rice hull ash of the quality such as SPE is added
Grain, continues the tannic acid for disperseing to add the quality such as citric acid after 30min, is spray-dried reactant liquor after stirring reaction 2h, i.e.,
Powder fabric softness agent is obtained.
This example operation is easy, when using, first in mass ratio 1:15, fabric softener obtained in the present invention and water are stirred
Mixing 15min is mixed, bath raio 1 is subsequently pressed:15, wool fabric is completely immersed in mixed liquor, subsequently it is standing and soak at room temperature
60min, then wool fabric taking-up is cleaned with 40 DEG C of water, finally dry naturally.After testing, using fabric sofetening of the present invention
The bending length of fabric reaches 35cm after agent, and tearing brute force retention rate reaches and breaking strength retention is up to 75%, with preferable bullet
Property recovery capability, fabric still can keep fine and smooth soft and smooth feel, yellowing phenomenon do not occur, wash durable Jing after 15 washings
Property it is excellent, and fabric softener biodegradable of the present invention is good, is 0 to skin irritation index, without any hypersensitive, tool
There are preferable bacteriostasis, to Bacteria suppression rate up to 95%, effectively prevent mildew phenomena of the fabric during holding.
Claims (1)
1. a kind of preparation method of rice husk fabric softener, it is characterised in that concrete preparation process is：
（1）Rice husk is soaked into filtration drying after 10～12h with 40～50 DEG C of warm water, then dried rice husk is proceeded into corundum and ground
Alms bowl grinds 20～30min and obtains powdered rice hulls, is 1 by solid-to-liquid ratio:10 by powdered rice hulls immersion mass fraction be 10% malic acid in, plus
Heat is boiled and filtered after 3～5h, obtains filter residue；
（2）Filter residue obtained above is put into tube type resistance furnace, first nitrogen is passed through in stove with 5mL/min speed, 500～
It is pyrolyzed at 550 DEG C after 30～40min, stopping is passed through nitrogen and switchs to be passed through oxygen with phase same rate and be heated to 700～800
DEG C insulation calcining 1～2h after obtain a nanometer rice hull ash particle；
（3）Take pineapple to squeeze the juice, be in mass ratio 1:8 will be fitted into fermentation tank work after rice hull ash obtained above and pineapple juice mixing
For fermentation substrate, bacillus subtilis is accessed in fermentation substrate for 10% by inoculum concentration, issued at 30～40 DEG C after sealing tank mouth
Ferment 12～14 days, subsequently takes out tunning, is centrifugally separating to obtain lower sediment, that is, be modified rice hull ash particle, standby；
（4）The sugarcane of harvesting is cut into the segment of 3～5cm, is put into squeezer and is squeezed, collect the sugar-cane juice that squeezing is obtained, will
The sugar-cane juice for obtaining is proceeded in iron pan, and slowly stewed 3～5h obtains concentrating saccharose slurry to endure to boiling slow fire；
（5）In mass ratio it is 5:1:1:50 is rearmounted by above-mentioned concentrating saccharose slurry and the mixing of potassium oleate, potassium carbonate and methyl oleate
In there-necked flask, oil bath heating, when temperature of charge reaches 100 DEG C, vacuumizes and maintains pressure of the inside of a bottle to be 700 to flask
～800Pa, continues to be heated to 140～150 DEG C, after 4～5h of reaction, reactant 12～14h of stratification is taken out, in collection
Layer grease, i.e. SPE；
（6）In mass ratio it is 10 by SPE obtained above, sodium metasilicate, citric acid：2：The total matter of three is added to after 1 mixing
In the deionized water of 8～10 times of amount, Jing after ultrasonic disperse instrument disperses 20～30min at 60～70 DEG C, SPE is added
Etc. the standby modified rice hull ash particle of quality, continue the tannic acid for disperseing to add the quality such as citric acid after 20～30min, stirring
Reactant liquor is spray-dried after 1～2h of reaction, you can obtain powder fabric softness agent.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107476134A (en) * | 2017-08-01 | 2017-12-15 | 常州欧康铭化工有限公司 | A kind of kraft inner paper |
| CN110592930A (en) * | 2019-09-16 | 2019-12-20 | 邱婷 | Special anti-wrinkle wear-resistant fabric for outdoor sportswear and preparation method thereof |
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