CN106012497A - Wool coprocessing process by nano particles TiO2 and neutral protease - Google Patents
Wool coprocessing process by nano particles TiO2 and neutral protease Download PDFInfo
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- CN106012497A CN106012497A CN201610387084.8A CN201610387084A CN106012497A CN 106012497 A CN106012497 A CN 106012497A CN 201610387084 A CN201610387084 A CN 201610387084A CN 106012497 A CN106012497 A CN 106012497A
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- fabric
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- neutral protease
- wool
- worsted
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- 238000000034 method Methods 0.000 title claims abstract description 49
- 239000002105 nanoparticle Substances 0.000 title claims abstract description 25
- 230000008569 process Effects 0.000 title claims abstract description 22
- 108090000145 Bacillolysin Proteins 0.000 title claims abstract description 18
- 102000035092 Neutral proteases Human genes 0.000 title claims abstract description 18
- 108091005507 Neutral proteases Proteins 0.000 title claims abstract description 18
- 210000002268 wool Anatomy 0.000 title claims abstract description 18
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 title claims abstract description 17
- 239000004744 fabric Substances 0.000 claims abstract description 56
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 19
- 238000004140 cleaning Methods 0.000 claims abstract description 15
- 238000005202 decontamination Methods 0.000 claims abstract description 7
- 230000003588 decontaminative effect Effects 0.000 claims abstract description 7
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 10
- 230000002940 repellent Effects 0.000 claims description 10
- 239000005871 repellent Substances 0.000 claims description 10
- 241000283898 Ovis Species 0.000 claims description 9
- 239000003795 chemical substances by application Substances 0.000 claims description 9
- 238000012986 modification Methods 0.000 claims description 8
- 239000002270 dispersing agent Substances 0.000 claims description 7
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 claims description 6
- 239000007788 liquid Substances 0.000 claims description 6
- BLRPTPMANUNPDV-UHFFFAOYSA-N Silane Chemical compound [SiH4] BLRPTPMANUNPDV-UHFFFAOYSA-N 0.000 claims description 5
- 239000003431 cross linking reagent Substances 0.000 claims description 5
- TWRXJAOTZQYOKJ-UHFFFAOYSA-L magnesium chloride Substances [Mg+2].[Cl-].[Cl-] TWRXJAOTZQYOKJ-UHFFFAOYSA-L 0.000 claims description 5
- 229910001629 magnesium chloride Inorganic materials 0.000 claims description 5
- 229920002635 polyurethane Polymers 0.000 claims description 5
- 239000004814 polyurethane Substances 0.000 claims description 5
- 229910000077 silane Inorganic materials 0.000 claims description 5
- 230000004048 modification Effects 0.000 claims description 4
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims description 3
- 229910001882 dioxygen Inorganic materials 0.000 claims description 3
- 239000012535 impurity Substances 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- FQENQNTWSFEDLI-UHFFFAOYSA-J sodium diphosphate Chemical compound [Na+].[Na+].[Na+].[Na+].[O-]P([O-])(=O)OP([O-])([O-])=O FQENQNTWSFEDLI-UHFFFAOYSA-J 0.000 claims description 3
- 229940048086 sodium pyrophosphate Drugs 0.000 claims description 3
- 235000019818 tetrasodium diphosphate Nutrition 0.000 claims description 3
- 239000001577 tetrasodium phosphonato phosphate Substances 0.000 claims description 3
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims 1
- 239000004753 textile Substances 0.000 abstract description 6
- 239000000463 material Substances 0.000 abstract description 4
- 238000009776 industrial production Methods 0.000 abstract 1
- 238000002715 modification method Methods 0.000 abstract 1
- 238000005406 washing Methods 0.000 abstract 1
- 230000000694 effects Effects 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 4
- 238000002474 experimental method Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000004549 pulsed laser deposition Methods 0.000 description 4
- 238000003980 solgel method Methods 0.000 description 4
- 238000009987 spinning Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 239000007822 coupling agent Substances 0.000 description 3
- 238000001523 electrospinning Methods 0.000 description 3
- 239000000835 fiber Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 239000006185 dispersion Substances 0.000 description 2
- 238000011031 large-scale manufacturing process Methods 0.000 description 2
- 238000002356 laser light scattering Methods 0.000 description 2
- 230000000474 nursing effect Effects 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 230000001699 photocatalysis Effects 0.000 description 2
- 238000007146 photocatalysis Methods 0.000 description 2
- 102000004169 proteins and genes Human genes 0.000 description 2
- 108090000623 proteins and genes Proteins 0.000 description 2
- QCVGEOXPDFCNHA-UHFFFAOYSA-N 5,5-dimethyl-2,4-dioxo-1,3-oxazolidine-3-carboxamide Chemical compound CC1(C)OC(=O)N(C(N)=O)C1=O QCVGEOXPDFCNHA-UHFFFAOYSA-N 0.000 description 1
- 229920000742 Cotton Polymers 0.000 description 1
- 102000002322 Egg Proteins Human genes 0.000 description 1
- 108010000912 Egg Proteins Proteins 0.000 description 1
- 102000004190 Enzymes Human genes 0.000 description 1
- 108090000790 Enzymes Proteins 0.000 description 1
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 235000014103 egg white Nutrition 0.000 description 1
- 210000000969 egg white Anatomy 0.000 description 1
- 230000009144 enzymatic modification Effects 0.000 description 1
- 238000009950 felting Methods 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 210000004209 hair Anatomy 0.000 description 1
- 230000036541 health Effects 0.000 description 1
- 238000009940 knitting Methods 0.000 description 1
- 238000004900 laundering Methods 0.000 description 1
- VUZPPFZMUPKLLV-UHFFFAOYSA-N methane;hydrate Chemical compound C.O VUZPPFZMUPKLLV-UHFFFAOYSA-N 0.000 description 1
- 239000004530 micro-emulsion Substances 0.000 description 1
- 239000002086 nanomaterial Substances 0.000 description 1
- 239000011858 nanopowder Substances 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 238000002161 passivation Methods 0.000 description 1
- 239000011941 photocatalyst Substances 0.000 description 1
- 230000036314 physical performance Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000010792 warming Methods 0.000 description 1
Classifications
-
- 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
- D06M11/32—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 oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond
- D06M11/36—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 oxygen, ozone, ozonides, oxides, hydroxides or percompounds; Salts derived from anions with an amphoteric element-oxygen bond with oxides, hydroxides or mixed oxides; with salts derived from anions with an amphoteric element-oxygen bond
- D06M11/46—Oxides or hydroxides of elements of Groups 4 or 14 of the Periodic Table; Titanates; Zirconates; Stannates; Plumbates
-
- 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
- D06M11/07—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 halogens; with halogen acids or salts thereof; with oxides or oxyacids of halogens or salts thereof
- D06M11/11—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 halogens; with halogen acids or salts thereof; with oxides or oxyacids of halogens or salts thereof with halogen acids or salts thereof
- D06M11/155—Halides of elements of Groups 2 or 12 of the Periodic Table
-
- 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
-
- 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
- D06M15/564—Polyureas, polyurethanes or other polymers having ureide or urethane links; Precondensation products forming them
-
- 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
- D06M16/003—Biochemical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. enzymatic with enzymes or microorganisms
-
- 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
- D06M2101/10—Animal fibres
- D06M2101/12—Keratin fibres or silk
-
- 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
- D06M2200/01—Stain or soil resistance
-
- 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
- D06M2200/10—Repellency against liquids
- D06M2200/11—Oleophobic properties
-
- 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
- D06M2200/10—Repellency against liquids
- D06M2200/12—Hydrophobic properties
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biochemistry (AREA)
- Microbiology (AREA)
- General Chemical & Material Sciences (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
Abstract
The invention belongs to the field of textile functional novel material, and discloses a wool coprocessing process by nano particles TiO2 and neutral protease. Determination of processing of wool fabric by neutral protease: the addition amount of neutral protease of 0.6%-1.2% of the dry weight, treatment time of 20-50 min, processing temperature of 50-70 DEG C, and pH value of 6-8. The invention adopts the wool worsted fabric, collaborative modification method of the two endows the a wool fabric with self-cleaning functions of water repellence, oil repellence refuse and decontamination; and the fabric after washing and finishing can also be preserved to some extent. The method is suitable for the high efficiency oil repellence, water repellence and easy decontamination finishing on the wool fabric. The process is simple, workable, and suitable for industrial production, and has good economic benefit.
Description
Technical field
The invention belongs to textile function new material class field, and disclose a kind of by nano-scale particle TiO2And neutrality egg
White enzyme processes technique to Pilus Caprae seu Ovis is collaborative.
Background technology
Society is constantly progressive, and the consumption concept of people also changes occurring, and the requirement to cloth textile the most not only stops
Staying in aspect warming, attractive in appearance, present people focus more on the functions such as the health that clothing itself are had, comfortable, easy nursing.
Therefore, in order to adapt to market demands, improving the market competitiveness, various function textiles and technology of preparing arise at the historic moment, waterproof, refuse
Self-cleaning fabric oily, decontaminable is one of them study hotspot.Self-cleaning fabric is widely used in doctor in daily life
Treat the aspects such as protective articles, automotive trim, high-grade clothing, house decoration.Essence wool spinning fabric is as high-grade fabric, and had is only
Property values occupies a tiny space the most always, although worsted fabric has that quality is tight, lines clear, to touch hands sliding very,
The features such as gloss is the softest, high resilience[1]But, owing to self there is felting property, easily damaging by worms mouldy, adsorption of dust and oil
The shortcomings such as stain so that wool fabric more bothers in nursing process, also limit its application space.Therefore to essence wool spinning face
Material carries out the more and more necessary of automatically cleaning process and highlights.
Worsted wool fabric has soft, high resilience, pure color, quality exquisiteness is fine and smooth, lines is clear, pendency
The characteristics such as sense is good, are widely used in the fabric such as western-style clothes, business wear；Belonging to protein fibre yet with Pilus Caprae seu Ovis, it is not resistant to
High temperature, non-uncomplicated laundering, the feature such as it is difficult to arrange and also greatly limit the application of worsted fabric.
Currently acquired fabric surpasses water repellent surface typically two approach: a kind of at coarse solids surface modification low-surface-energy thing
Matter；Another kind of at low-surface energy substance surface construction coarse microstructure.And prepare textile at present and surpass the method for water repellent and much lead
Have: pulsed laser deposition, plasma technique, Electrospinning, sol-gel process etc..Pulsed laser deposition therein
Method, plasma technique and Electrospinning are higher for the requirement producing equipment, and the cost that puts into production is huge, are not suitable for common
The large-scale production of factory；And sol-gel process is mainly used for bafta, and technique is the most complex.Therefore, research,
Exploitation be suitable for worsted wool fabric water repellent, refuse oil, decontamination automatically cleaning technique necessary.
Summary of the invention
The present invention combines nano-scale particle TiO2Modification and the new technology of neutral protein enzyme modification, this technique uses spinning
Wool fabric, process technique collaborative to Pilus Caprae seu Ovis, both method of modifying collaborative reach to give wool fabric water repellent, refuse oil, decontamination
Self-cleaning function.
Only just there is when below 100mn photocatalysis effect due to nano particle diameter, this is because nano level
Grain specific surface area is big, it is possible to play the effect improving roughness, and the specific surface performance of particle increases, and therefore can reach automatically cleaning
Effect.Select not only to need to consider above-mentioned condition during nano-particle, it is also contemplated that the aspects such as resource situation, price, so selecting
Suitably nano material is particularly important.
Use the worsted fabric fabric provided by Jiangsu Danmao Textile Co., Ltd. as experimental subject.By changing
Become and arrange parameter, physical index before and after test fabric arrangement, use mathematical statistics method to filter out relatively optimum technique.
Pre-experiment stage, is processed worsted wool fabric by neutral protease so that the squama of wool surface
Sheet is etched, so that the scale edge of wool surfaces there occurs passivation, scale is thinning, becomes round and smooth.In this stage, by control
Worsted fabric is processed by the addition of neutral protease processed, treatment temperature, process time, these variablees of pH value.
Orthogonal experiment is used to process to essence wool spinning fabric.According to experimental result the experiment of pretreatment stage neutral protease
Parameter determination is got off.
Owing to there is secondary agglomeration at nano-particle, photocatalysis effect thus can be substantially reduced so that whole
Reason effect is had a greatly reduced quality, it is impossible to get a desired effect.Organic substance and inorganic matter can be linked as " bridge " according to coupling agent,
So using coupling agent that nano powder granule is modified, by dynamic laser light scattering experimental instrument to the nano-particle of modified mistake
Particle diameter and the detection of degree of scatter, select nano-particle modified best coupling agent.
Dispersant has the effect disperseed nano-particle and suspend, according to dynamic laser light scattering experimental instrument to dispersion after
Nano-particle detect, test out size and distribution situation, select the dispersant that dispersion effect is best.
During arrangement, finishing agent is to be formed at fabric face to be similar to lotus leaf surface microemulsion and highlight structure thus have
Self-cleaning performance, nano-scale particle is typical photocatalyst, makes to attach at fabric table under the irradiation of ultraviolet and sunlight
The Organic substance decomposition in face is oxidized to carbon dioxide and water, again because it is by reducing the imparting of the tension force of fiber surface that Organic fluoride arranges
The water repellent of fiber excellence, stain resistance, so that fabric has these functions.In experimentation, it is considered to different because of
The element impact on experiment, by control variate method, compares in the case of other parameters are the same from, determines that different consumptions is to knitting
The impact of physical performance.Motion orthogonal test method so that each factor is resistant to determine different factors under conditions of comprehensive function
Primary and secondary order on the impact of experimental result, and find out optimum process.
Above-mentioned by nano-scale particle TiO2And neutral protease processes technique to Pilus Caprae seu Ovis is collaborative, it is characterised in that be stream
Journey is such:
The first step: worsted fabric fabric nano-scale particle TiO2Modification
(1) configuration of dressing liquid:
Organic fluoride finishing agent consumption is 50--70g/L, and nano-particle is 7--9g/L (nano-TiO2), silane coupler 0.8-
1.2g/L, cross-linking agent 5-7g/L, polyurethane 20--40g/L, dispersant 10--30g/L, MgCl20.05 0.15g/L, isopropanol
20--40g/L；
(2) some groups of the sample that worsted fabric fabric is cut into 20cm × 20cm is standby, in temperature 30--40 DEG C, puts into arrangement
In liquid, dip time selects 20--40min；
After having processed, taking out sample, 80 DEG C of-85 DEG C of air dry ovens are dried.
Second step: worsted fabric fabric neutral protease modification
(1) first fabric experimental sample clean water is totally gone the removal of impurity, in order to avoid affecting experimental result, cleaning and being placed on dioxygen
Water 20-40ml/L penetrating agent 0.5 1.5g/L sodium pyrophosphate 2--4g/L bath raio is in the solution of 1:20--40,
(2) being the 0.6%--1.2% of dry matter by the addition of neutral protease, the process time is 20--50 minute, treatment temperature
For 50--70 DEG C, pH value is 6-8.
After having processed, taking out sample, 80 DEG C of-85 DEG C of air dry ovens are dried.
Compared with prior art, advantages of the present invention is as follows:
1, prepare textile at present to surpass the method for water repellent and mainly have: pulsed laser deposition, plasma technique, Electrospun
Technology, sol-gel process.Pulsed laser deposition therein, plasma technique and Electrospinning are for producing equipment
Requiring higher, the cost that puts into production is huge, is not suitable for the large-scale production of common factory.Sol-gel process is mainly used for cotton
Fabric, and technique is the most complex, and target of the present invention is in the multi-functional self-cleaning effect of worsted fabric fabric.
2, because the present invention uses nano-scale particle TiO2And the method that Pilus Caprae seu Ovis is worked in coordination with process by neutral protease so that
The water repellent that obtains eventually, refuse oil, decontamination automatically cleaning effective.
3, technological process is simple, workable, the most cost-effective but also can improve production efficiency, water repellent, refuses oil, decontamination
Self-cleaning effective；It is suitable for industrialized production, good in economic efficiency.
Detailed description of the invention
Be will assist in by following embodiment and understand the present invention, but be not limiting as present disclosure.
According to present invention process, process hair by following materials ratio and washed (50/50) fabric, and its final contact angle has been entered
Row test.
Embodiment 1
The first step: worsted fabric fabric nano-scale particle TiO2Modification
(1) configuration of dressing liquid:
Organic fluoride finishing agent consumption is 50g/L, and nano-particle is 7g/L (nano-TiO2), silane coupler 0.8g/L, cross-linking agent
5g/L, polyurethane 20g/L, dispersant 10g/L, MgCl20.05g/L, isopropanol 20g/L；
(2) some groups of the sample that worsted fabric fabric is cut into 20cm × 20cm is standby, temperature 35 DEG C, puts into dressing liquid
In, dip time selects 30min；
After having processed, taking out sample, 80 DEG C of air dry ovens are dried.
Second step: worsted fabric fabric neutral protease modification
(1) first fabric experimental sample clean water is totally gone the removal of impurity, in order to avoid affecting experimental result, cleaning and being placed on dioxygen
Water 20ml/L penetrating agent 0.5g/L sodium pyrophosphate 2g/L bath raio is in the solution of 1:20,
(2) being the 0.6% of dry matter by the addition of neutral protease, the process time is 20 minutes, and treatment temperature is 50 DEG C, PH
Value is 6.
After having processed, taking out sample, 80 DEG C of air dry ovens are dried.
Embodiment 2
This example is essentially identical with example 1, and as different from Example 1, Organic fluoride finishing agent consumption is 55g/L, and nano-particle is
7.5g/L (nano-TiO2), silane coupler 0.85g/L, cross-linking agent 5.5g/L, polyurethane 25g/L, dispersant 15g/L,
MgCl20.08g/L, isopropanol 25g/L；Remaining reagent dosage is the most identical with technique.
Embodiment 3
This example is essentially identical with example 1, and different from embodiment 1 has:
Organic fluoride finishing agent consumption is 60g/L, and nano-particle is 8g/L (nano-TiO2), silane coupler 0.9g/L, cross-linking agent
6g/L, polyurethane 30g/L, dispersant 20g/L, MgCl20.1g/L, isopropanol 30g/L；Remaining reagent dosage and technique are homogeneous
With.
The result of 3 groups of examples is listed as follows:
Test result
Note: tested number 0 represents untreated sample.
From table, result is found out, regardless of water repellent, refuses the indexs such as oil, treated the most untreated, and draws
Stretch the little even also a little increase of ultimate strength change, be a kind of extraordinary modified technique.
Claims (2)
1. nano-scale particle TiO2And Pilus Caprae seu Ovis worked in coordination with New Process for Treatment by neutral protease, this technique uses worsted fabric fabric,
Process technique to Pilus Caprae seu Ovis is collaborative, be primarily characterized in that: both method of modifying collaborative reach to give wool fabric water repellent, refuse oil,
The self-cleaning function of decontamination.
2. the nano-scale particle TiO as described in claim 12And Pilus Caprae seu Ovis worked in coordination with New Process for Treatment by neutral protease, its technique stream
Journey is characterised by:
The first step: worsted fabric fabric nano-scale particle TiO2Modification
(1) configuration of dressing liquid:
Organic fluoride finishing agent consumption is 50--70g/L, and nano-particle is 7--9g/L (nano-TiO2), silane coupler 0.8-
1.2g/L, cross-linking agent 5-7g/L, polyurethane 20--40g/L, dispersant 10--30g/L, MgCl20.05 0.15g/L, isopropanol
20--40g/L；
(2) some groups of the sample that worsted fabric fabric is cut into 20cm × 20cm is standby, in temperature 30--40 DEG C, puts into arrangement
In liquid, dip time selects 20--40min；
After having processed, taking out sample, 80 DEG C of-85 DEG C of air dry ovens are dried；
Second step: worsted fabric fabric neutral protease modification
(1) first fabric experimental sample clean water is totally gone the removal of impurity, in order to avoid affecting experimental result, cleaning and being placed on dioxygen
Water 20-40ml/L penetrating agent 0.5 1.5g/L sodium pyrophosphate 2--4g/L bath raio is in the solution of 1:20--40；
(2) being the 0.6%--1.2% of dry matter by the addition of neutral protease, the process time is 20--50 minute, treatment temperature
For 50--70 DEG C, pH value is 6-8；
After having processed, taking out sample, 80 DEG C of-85 DEG C of air dry ovens are dried.
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Cited By (1)
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| CN107245876A (en) * | 2017-06-23 | 2017-10-13 | 宁波高新区达康工业科技有限公司 | A kind of photocatalytic self-cleaning fabric based on nano titanium oxide |
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| CN107245876A (en) * | 2017-06-23 | 2017-10-13 | 宁波高新区达康工业科技有限公司 | A kind of photocatalytic self-cleaning fabric based on nano titanium oxide |
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