CN104404774B - The synthesis of a kind of microcapsule multifunction finishing agent based on layer upon layer electrostatic self assembly and technique for applying - Google Patents
The synthesis of a kind of microcapsule multifunction finishing agent based on layer upon layer electrostatic self assembly and technique for applying Download PDFInfo
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- CN104404774B CN104404774B CN201410781371.8A CN201410781371A CN104404774B CN 104404774 B CN104404774 B CN 104404774B CN 201410781371 A CN201410781371 A CN 201410781371A CN 104404774 B CN104404774 B CN 104404774B
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Abstract
The synthesis of a kind of microcapsule multifunction finishing agent based on layer upon layer electrostatic self assembly and technique for applying, belong to the applied technical field of dyeing and finishing processing in cotton wool textile industry, it is intended to utilize layer upon layer electrostatic self-assembling technique to prepare with nano-TiO2Centered by microcapsule composite finishing agent, and is arranged on cotton, wool fabric by electrostatic self-assembled, the uvioresistant of raising fabric and anti-microbial property.Use the present invention, can avoid single anti-ultraviolet finishing and the tedious steps of single antibiotic finish, shortened process, cost-effective, improve nano-TiO2Functioning efficiency, improving while anti-ultraviolet property cotton, woolen, increasing substantially the antibacterial effect of fabric.
Description
Technical field
The synthesis of a kind of microcapsule multifunction finishing agent based on layer upon layer electrostatic self assembly and technique for applying, belong to cotton,
The applied technical field of dyeing and finishing processing in wool textile industry.
Background technology
Based on layer upon layer electrostatic self-assembling technique, (Layer-by-Layer Self-assembly Technique is called for short
LBL) preparing microcapsule principle is to utilize the electrostatic attraction between specific macromolecular compound, will carry positive and negative electric charge
Material by electrostatic attraction the most successively alternating deposit on template material surface, associate formed structural integrity,
A kind of technology of the molecule aggregate of stable performance.This technical process constructing microcapsule is simple, it is not necessary to multiple
Miscellaneous instrument and equipment, the composition thickness controllable of cyst wall. emulsion particle, inorganic particulate, organic filler, enzyme and
Erythrocyte is often used as mould material, and cyst wall is generally macromolecular compound.
Microcapsule technology is a kind of important means of textile industry Multifunctional finishing, and why it is made widely
For a kind of means preparing intelligence, function textile, be due to predetermined substance is carried out micro encapsulation can be real
Existing many purposes, as active component is controlled release, make medicine have target sexual function, time controlled released medicine
Thing, fragrance；Comfortable sensation is kept by phase-change material heat absorption and heat release regulation human body clothing climate；Become
Color material generation temperature-sensitive or photosensitive colour-changing provide decoration or protect color, corresponding generation slow release intelligent textile,
Intelligent temperature-regulation fabric and intelligent color-changing textile etc..Microcapsule technology application in weaving at present mainly collects
In in terms of stamp, dyeing and functionalization Final finishing, including electrostatic dyeing, transfer printing, three-dimensional foaming print
Flower, heat-sensitive variable colour stamp, Aroma finishing, flame-proof treatment, anti-bacterial purifying finish etc..As essence is carried out micro-
The quality of Aroma finishing can be improved after encapsulated, extend fragrant release time；It is used for spinning by antibacterial microcapsule
Fabric arranges, and can obtain efficient, washable, safe antibacterial fabric；Anthelmintic microcapsule is arranged
On fabric, can effectively solve insect and bite puzzlement, and the anthelminthic effect time is long.
Utilize microcapsule technology that textile is arranged, though the comfortableness of textile can be improved, increase its merit
Energy property, but the most successful example is the most few.Owing to fabric is required washable, therefore microcapsule
Finishing agent need to form strong bonded with processing fiber.Use binding agent, coating agent machinery set effect at present more,
There is fabric feeling to be deteriorated, under functional effect, degradation is not enough.
According to wool fiber and cotton fiber surface under the conditions of specific pH with the feature of certain electric charge, the present invention
Establish microcapsule multifunction finishing agent synthetic technology based on electrostatic self-assembled method and textile finishing technology.
First with nano-TiO2Granule is core, with kayexalate (PSS), polycation polyhexamethylene
Biguanide hydrochloride (PHMB) is wall material, is assembled by layer upon layer electrostatic and makes microcapsule；Then by surface band phase
The fabric of counter charges is immersed in microcapsule dressing agent and processes in bath, under the effect of electrostatic drive power, and surface band
The microcapsule of electric charge can be adsorbed onto the fabric face of surface oppositely charged, thus by whole for the microcapsule of assembling
Manage on fabric.Based on nano-TiO2Antibacterial, anti-ultraviolet effect and the excellent anti-microbial property of PHMB,
PHMB is assembled in nano-TiO2The microcapsule that surface is made not only has anti-ultraviolet function, anti-microbial property
Also it is substantially improved.By charged for this surface microcapsule is attached to cotton, wool fabric by electrostatic self-assembled mode
On, it is possible not only to give fabric anti-ultraviolet function, moreover it is possible to reach preferable dual antibacterial effect.
Summary of the invention
The purpose of the present invention is intended to utilize layer upon layer electrostatic self-assembling technique to prepare with nano-TiO2Centered by micro-glue
Capsule composite finishing agent, and arranged on cotton, wool fabric by electrostatic self-assembled, improve the anti-purple of fabric
Outside line and anti-microbial property.Comparing the Mechanical Method set combination of binding agent, coating agent, microcapsule is by quiet
Electric power is combined is more conducive to play its functional characteristic with cotton, wool fabric, and will be to fabric
Impact be down to minimum.Use the present invention, uvioresistant finishing agent, antibacterial finishing agent one also can be overcome to bathe whole
The finishing agent compatibility requirements existed during reason is high, and finishing effect, not as deficiencies such as single arrangements, shortens technique stream
Journey, cost-effective, improve nano-TiO2Functioning efficiency, improving anti-ultraviolet property cotton, woolen
Meanwhile, the antibacterial effect of fabric is increased substantially.
Technical scheme: a kind of microcapsule multifunction finishing agent based on layer upon layer electrostatic self assembly synthesizes
And technique for applying, it is characterized in that at TiO2Particle suspension liquid adds the hexamethylene of excess
(PHMB) solution, utilizes electrostatic adelphotaxy, makes TiO2Microparticle surfaces adsorbs one layer of contrary electricity of band
The polyelectrolyte layer of lotus, repeatedly centrifugal, washing removes the PHMB of excess, obtains assembling the microcapsule of two-layer
(TiO2 is ground floor).Again kayexalate (PSS) solution of excess is added above-mentioned microcapsule molten
In liquid, due to electrostatic adsorption, PSS is adsorbed onto the surface of microcapsule of positively charged, repeatedly centrifugal, washing
Remove the PSS of excess, obtain assembling the microcapsule of three layers.Repeat said process, make polyelectrolyte at TiO2
Microparticle surfaces alternating sorbent, forms multilayer film.Primitive kind is assembled by controlling microcapsule outermost layer, permissible
Obtain the microcapsule of band difference electric charge.Finally, by Electrostatic Absorption microcapsule dressing agent arranged and locate in advance
On that managed and the cotton of microcapsule dressing agent oppositely charged or wool fabric, give antibacterial fabric, uvioresistant
Line function.
Its technological process is:
Microcapsule preparation flow: preparation TiO2Solution → addition hexamethylene → centrifugal → molten
Solve precipitation and pulverize → add kayexalate → centrifugal → dissolution precipitation and pulverize → repeat and add poly-six
Di-2-ethylhexylphosphine oxide guanidine hydrochloride and kayexalate.
Textile finishing flow process: pretreatment cotton, woolen → dipping microcapsule dressing agent → drying
(1)TiO2The preparation of microcapsule Iy self-assembled layer: preparation 1-2.50g/mL TiO2Solution, regulation pH is
9.0, add TiO2Mass fraction is the dispersant of 5-25%, pulverizes 5min in ultrasonic cell disruptor.
To above-mentioned TiO2Adding 10-35g/L hexamethylene solution 100mL in solution, mixing is anti-
Answer 2min, centrifugal, precipitation is dissolved in deionized water, pulverizes in ultrasonic cell disruptor, the most micro-
Capsule surface positively charged.Take 15mL10-35g/L kayexalate solution again and join in above-mentioned solution,
Hybrid reaction 2min, centrifugal, take precipitation and be dissolved in deionized water, pulverize in ultrasonic cell disruptor,
Now surface of microcapsule is electronegative.It is repeated in said process, until obtaining the microcapsule with certain size.
Surface of microcapsule prepared by this method i.e. positively chargeable (outermost layer is PHMB), it is possible to electronegative (PSS).
(2) pretreatment cotton, woolen: wool fabric is impregnated in the hydrochloric acid solution that pH is 1 10-30min,
Standby.Pilus Caprae seu Ovis isoelectric point, IP is 4.2-4.8, the wool fabric surface positively charged when pH=1；Bafta is immersed in
10-30min in ionized water, standby, owing to containing some hydroxyls in cellulose macromolecule, bafta is immersed in
Time in aqueous solution, hydroxyl dissociates and makes fabric face electronegative.
(3) microcapsule process to fabric: the wool fabric of the surface positively charged processed is immersed in surface
In electronegative microcapsule solution, microcapsule is made to be adsorbed onto fabric face by Electrostatic Absorption mode, after drying
105 DEG C of baking ovens are dried；Electronegative for the surface processed bafta is immersed in micro-glue of surface positively charged
In capsule solution, dry in 105 DEG C of baking ovens after drying.
(4) present invention also can be selected for other polycations having antibiotic property replacement PHMB.
Beneficial effects of the present invention: a kind of many merits of microcapsule based on layer upon layer electrostatic self assembly of the present invention
Can synthesize and technique for applying by finishing agent, the loaded down with trivial details step of single anti-ultraviolet finishing and single antibiotic finish can be avoided
Suddenly, shortened process, cost-effective, improve nano-TiO2Functioning efficiency, improve cotton, woolen
While anti-ultraviolet property, increase substantially the antibacterial effect of fabric.
Detailed description of the invention
Embodiment 1
Sample kind: wool fabric
(1) wool fabric impregnating in the hydrochloric acid solution that pH is 1 30min, standby, now Pilus Caprae seu Ovis is knitted
Thing surface positively charged.
(2) preparing outermost layer is PSS, the electronegative microcapsule in surface.Concretely comprise the following steps: preparation 1.50g/mL
TiO2Solution, regulation pH is 9.0, adds TiO2Mass fraction is the dispersant of 20%, at ultrasound wave
Cell disruptor is pulverized 5min.To above-mentioned TiO2Solution adds hexamethylene (35
G/L) solution 100mL, hybrid reaction 2min, centrifugal, precipitation is dissolved in deionized water, at ultrasound wave
Cell disruptor pulverizes (now surface of microcapsule positively charged).Take 15mL kayexalate (35 again
G/L) during solution joins above-mentioned solution, hybrid reaction 2min, centrifugal, take precipitation and be dissolved in deionized water,
Pulverizing in ultrasonic cell disruptor, now surface of microcapsule is electronegative.It is repeated in said process 8 times,
Until obtaining the microcapsule with certain size.Finally controlling the microcapsule outermost layer that according to this prepared by method is PSS,
I.e. fiber surface is electronegative.
(3) wool fabric is immersed in 20min in microcapsule solution, dries in 105 DEG C of baking ovens after drying.
Through the wool fabric of above-mentioned arrangement, after testing, its UPF (UPF) reaches 250, with
Time this kind under the conditions of the wool fabric bacteriostasis rate that processed reach 98.9%.
Embodiment 2
Sample kind: bafta
(1) bafta soaking 30min in deionized water, standby, now surface of cotton fabric is electronegative.
(2) preparing outermost layer is PHMB, the microcapsule of surface positively charged.Concretely comprise the following steps: preparation 2.50
g/mL TiO2Solution, regulation pH is 9.0, adds TiO2Mass fraction is the dispersant of 25%, super
Sound wave cell disruptor is pulverized 5min.To above-mentioned TiO2Solution adds hexamethylene
(35g/L) solution 100mL, hybrid reaction 2min, centrifugal, precipitation is dissolved in deionized water, super
Sound wave cell disruptor pulverizes (now surface of microcapsule positively charged).Take 15mL kayexalate again
(35g/L) during solution joins above-mentioned solution, hybrid reaction 2min, centrifugal, take precipitation and be dissolved in deionization
In water, pulverizing in ultrasonic cell disruptor, now surface of microcapsule is electronegative.It is repeated in above-mentioned mistake
Journey 10 times, until obtaining the microcapsule with certain size.Finally control the microcapsule outermost that according to this prepared by method
Layer is that PHMB, i.e. fiber surface are positively charged.
(3) bafta is immersed 10min in microcapsule solution, dry in 105 DEG C of baking ovens after drying.
Through the bafta of above-mentioned process, after testing, its UPF (UPF) reaches 64.55, with
Time bacteriostasis rate reach 98.1%.
Claims (3)
1. microcapsule multifunction finishing agent based on a layer upon layer electrostatic self assembly synthesis and application
Technique, is characterized in that at TiO2Particle suspension liquid adds the cosmocil stearate of excess
Acid salt solution, utilizes electrostatic adelphotaxy, makes TiO2Microparticle surfaces one layer of band phase of absorption
The polyelectrolyte layer of counter charges；Again the kayexalate solution of excess is added above-mentioned micro-glue
In capsule solution, due to electrostatic adsorption, PSS is adsorbed onto the surface of microcapsule of positively charged；Weight
Multiple said process, makes polyelectrolyte at TiO2Microparticle surfaces alternating sorbent, forms multilayer film,
Prepare microcapsule dressing agent；Finally, by Electrostatic Absorption, microcapsule dressing agent is arranged respectively
On cotton that anticipated, oppositely charged, wool fabric；
(1)TiO2The preparation of microcapsule Iy self-assembled layer: preparation 1-2.50g/mL TiO2Solution,
Regulation pH is 9.0, adds TiO2Mass fraction is the dispersant of 5-25%, thin at ultrasound wave
Born of the same parents' pulverizer is pulverized 5min；To above-mentioned TiO2Solution adds poly-six methylenes of 10-35g/L
Base biguanide hydrochloride solution 100mL, hybrid reaction 2min, centrifugal, precipitation is dissolved in from
In sub-water, pulverize in ultrasonic cell disruptor, now surface of microcapsule positively charged；Take again
15mL10-35g/L kayexalate solution joins in above-mentioned solution, hybrid reaction 2
Min, centrifugal, take precipitation and be dissolved in deionized water, pulverize in ultrasonic cell disruptor；
It is repeated in said process 5-20 time, obtains the microcapsule with certain size；
(2) pretreatment cotton, woolen: by wool fabric in the hydrochloric acid solution that pH is 1
Dipping 10-30min, standby；Bafta is soaked 10-30min in deionized water, standby；
(3) microcapsule process to fabric: the wool fabric of surface positively charged that will process
It is immersed in the electronegative microcapsule solution in surface, makes microcapsule adsorb by Electrostatic Absorption mode
To fabric face, dry in 105 DEG C of baking ovens after drying；By electronegative for the surface that processed
Bafta be immersed in the microcapsule solution of surface positively charged, at 105 DEG C of baking ovens after drying
Middle drying.
A kind of microcapsule based on layer upon layer electrostatic self assembly the most according to claim 1 is many
Functional finishing agent synthesis and technique for applying, it is adaptable to process bafta and wool fabric；Pilus Caprae seu Ovis is knitted
Thing include four kinds of worsted fabrics such as all-wool gabardine, serge, valitin, female's clothing and
Various drap-de-berry fabrics.
A kind of microcapsule based on layer upon layer electrostatic self assembly the most according to claim 1 is many
Functional finishing agent synthesis and technique for applying, is characterized in that the hexamethylene of application
Also can be selected for other polycations having anti-microbial property to substitute.
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| CN103820990B (en) * | 2014-02-25 | 2016-07-06 | 南京邮电大学 | Ultraviolet resistance yarn and preparation method thereof is prepared in a kind of confinement induction self assembly |
| CN107059394A (en) * | 2017-05-11 | 2017-08-18 | 江苏银桥纺织科技有限公司 | A kind of bafta UV resistant finish |
| CN107460724B (en) * | 2017-09-17 | 2019-08-23 | 上海沙驰服饰有限公司 | Multifunctional cellulose fiber based on nano zine oxide |
| CN107558188A (en) * | 2017-09-17 | 2018-01-09 | 赵兵 | A kind of LBL self-assembly nano silver wire conductive fiber available for wearable device |
| CN107621553B (en) * | 2017-09-22 | 2020-04-24 | 中国科学院青岛生物能源与过程研究所 | Microorganism amplification imaging detection method |
| CN107938316A (en) * | 2017-11-30 | 2018-04-20 | 英泰时尚服饰（苏州）有限公司 | A kind of titanium dioxide microcapsule finishing agent and preparation method thereof |
| CN108659796B (en) * | 2018-08-13 | 2020-06-30 | 浙江海洋大学 | Wide phase-change temperature zone shape-stabilized phase-change material and preparation method thereof |
| CN109126651A (en) * | 2018-09-19 | 2019-01-04 | 天津工业大学 | A kind of preparation method of ferromagnetic graphene oxide/polyelectrolyte composite micro-capsule |
| CN110756130B (en) * | 2019-10-30 | 2021-05-28 | 江南大学 | Synthesis of flame-retardant microcapsule and preparation method of flame-retardant fabric |
| CN113694896B (en) * | 2021-08-03 | 2023-02-03 | 武汉纺织大学 | Fabric loaded with wool powder and having peculiar smell adsorption function and preparation method thereof |
| CN114960030A (en) * | 2022-06-07 | 2022-08-30 | 南通通州江华纺织有限公司 | Moisture-absorbing and breathable multilayer composite spunlaced nonwoven fabric and preparation method thereof |
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| CN102716848A (en) * | 2011-03-31 | 2012-10-10 | 北京化工大学 | Method for constructing anticorrosive superhydrophobic nano composite film on non-planar iron surface |
| CN102251408B (en) * | 2011-06-13 | 2013-05-22 | 泉州红瑞兴纺织有限公司 | Microcapsule nano silver antibacterial fabric and preparation method thereof |
| CN104128099B (en) * | 2013-05-02 | 2016-08-03 | 北京服装学院 | A kind of composite nanometer filtering film based on Static Spinning and self-assembling technique and preparation method thereof |
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