CN103861624A - Functional synthetic fiber capable of removing formaldehyde and preparation and application of fiber - Google Patents
Functional synthetic fiber capable of removing formaldehyde and preparation and application of fiber Download PDFInfo
- Publication number
- CN103861624A CN103861624A CN201410040871.6A CN201410040871A CN103861624A CN 103861624 A CN103861624 A CN 103861624A CN 201410040871 A CN201410040871 A CN 201410040871A CN 103861624 A CN103861624 A CN 103861624A
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- Prior art keywords
- zinc oxide
- synthetic fibers
- bar
- formaldehyde
- shaped zinc
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- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 title claims abstract description 182
- 229920002994 synthetic fiber Polymers 0.000 title claims abstract description 77
- 239000012209 synthetic fiber Substances 0.000 title claims abstract description 77
- 239000000835 fiber Substances 0.000 title claims abstract description 54
- 238000002360 preparation method Methods 0.000 title claims abstract description 20
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims abstract description 186
- 239000011787 zinc oxide Substances 0.000 claims abstract description 93
- 230000000694 effects Effects 0.000 claims abstract description 16
- -1 halogen bismuth oxide Chemical class 0.000 claims abstract description 11
- 238000000034 method Methods 0.000 claims abstract description 6
- 239000004753 textile Substances 0.000 claims abstract description 4
- 238000007306 functionalization reaction Methods 0.000 claims description 53
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 39
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 32
- 150000001875 compounds Chemical class 0.000 claims description 26
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 22
- 239000002131 composite material Substances 0.000 claims description 22
- 239000002244 precipitate Substances 0.000 claims description 18
- 239000000463 material Substances 0.000 claims description 13
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 claims description 10
- 238000001816 cooling Methods 0.000 claims description 9
- 239000012153 distilled water Substances 0.000 claims description 9
- 239000008236 heating water Substances 0.000 claims description 9
- 238000012856 packing Methods 0.000 claims description 9
- 239000000725 suspension Substances 0.000 claims description 9
- 238000005406 washing Methods 0.000 claims description 8
- 239000004743 Polypropylene Substances 0.000 claims description 7
- 239000005020 polyethylene terephthalate Substances 0.000 claims description 7
- 229920001155 polypropylene Polymers 0.000 claims description 6
- 229920002972 Acrylic fiber Polymers 0.000 claims description 5
- 239000004952 Polyamide Substances 0.000 claims description 5
- 229920004933 Terylene® Polymers 0.000 claims description 5
- 229920002647 polyamide Polymers 0.000 claims description 5
- 229920000915 polyvinyl chloride Polymers 0.000 claims description 5
- 239000004800 polyvinyl chloride Substances 0.000 claims description 5
- 239000004698 Polyethylene Substances 0.000 claims description 4
- 229920000297 Rayon Polymers 0.000 claims description 4
- 229920000573 polyethylene Polymers 0.000 claims description 4
- 239000003054 catalyst Substances 0.000 abstract description 14
- 239000011941 photocatalyst Substances 0.000 abstract description 6
- 230000003197 catalytic effect Effects 0.000 abstract description 4
- 238000011084 recovery Methods 0.000 abstract description 2
- 229910000416 bismuth oxide Inorganic materials 0.000 abstract 3
- 229910052736 halogen Inorganic materials 0.000 abstract 3
- 238000005054 agglomeration Methods 0.000 abstract 1
- 230000002776 aggregation Effects 0.000 abstract 1
- 238000012360 testing method Methods 0.000 description 23
- 230000015556 catabolic process Effects 0.000 description 19
- 238000006731 degradation reaction Methods 0.000 description 19
- 210000002950 fibroblast Anatomy 0.000 description 15
- 238000005286 illumination Methods 0.000 description 14
- CBACFHTXHGHTMH-UHFFFAOYSA-N 2-piperidin-1-ylethyl 2-phenyl-2-piperidin-1-ylacetate;dihydrochloride Chemical compound Cl.Cl.C1CCCCN1C(C=1C=CC=CC=1)C(=O)OCCN1CCCCC1 CBACFHTXHGHTMH-UHFFFAOYSA-N 0.000 description 9
- 239000004744 fabric Substances 0.000 description 9
- 239000002105 nanoparticle Substances 0.000 description 9
- 239000011701 zinc Substances 0.000 description 9
- 229930040373 Paraformaldehyde Natural products 0.000 description 8
- 238000010438 heat treatment Methods 0.000 description 8
- 229920002866 paraformaldehyde Polymers 0.000 description 8
- 230000001699 photocatalysis Effects 0.000 description 8
- 230000005855 radiation Effects 0.000 description 8
- 238000005485 electric heating Methods 0.000 description 7
- BWOROQSFKKODDR-UHFFFAOYSA-N oxobismuth;hydrochloride Chemical compound Cl.[Bi]=O BWOROQSFKKODDR-UHFFFAOYSA-N 0.000 description 6
- OZKCXDPUSFUPRJ-UHFFFAOYSA-N oxobismuth;hydrobromide Chemical compound Br.[Bi]=O OZKCXDPUSFUPRJ-UHFFFAOYSA-N 0.000 description 5
- 238000007146 photocatalysis Methods 0.000 description 5
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Substances [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 5
- 238000006555 catalytic reaction Methods 0.000 description 4
- 239000002245 particle Substances 0.000 description 4
- 239000000126 substance Substances 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- 238000002474 experimental method Methods 0.000 description 3
- 239000002808 molecular sieve Substances 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 3
- 229910052724 xenon Inorganic materials 0.000 description 3
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 description 3
- 229920002978 Vinylon Polymers 0.000 description 2
- 238000000862 absorption spectrum Methods 0.000 description 2
- CQPFMGBJSMSXLP-UHFFFAOYSA-M acid orange 7 Chemical compound [Na+].OC1=CC=C2C=CC=CC2=C1N=NC1=CC=C(S([O-])(=O)=O)C=C1 CQPFMGBJSMSXLP-UHFFFAOYSA-M 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 238000002389 environmental scanning electron microscopy Methods 0.000 description 2
- 239000002121 nanofiber Substances 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 229920002239 polyacrylonitrile Polymers 0.000 description 2
- PYWVYCXTNDRMGF-UHFFFAOYSA-N rhodamine B Chemical compound [Cl-].C=12C=CC(=[N+](CC)CC)C=C2OC2=CC(N(CC)CC)=CC=C2C=1C1=CC=CC=C1C(O)=O PYWVYCXTNDRMGF-UHFFFAOYSA-N 0.000 description 2
- 229940043267 rhodamine b Drugs 0.000 description 2
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 230000003115 biocidal effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000005264 electron capture Effects 0.000 description 1
- 238000001523 electrospinning Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009408 flooring Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229920001903 high density polyethylene Polymers 0.000 description 1
- 239000004700 high-density polyethylene Substances 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000002055 nanoplate Substances 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 238000013033 photocatalytic degradation reaction Methods 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 238000012805 post-processing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000006798 recombination Effects 0.000 description 1
- 238000005215 recombination Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
Images
Abstract
The invention discloses a functional synthetic fiber capable of removing formaldehyde and preparation and application of the fiber. Rod-like zinc oxide is adopted as a vector, loaded with a halogen bismuth oxide, and then added to a synthetic fiber by adopting a fusing method, so as to obtain the functional synthetic fiber capable of removing the formaldehyde. The functional synthetic fiber has the advantages and effects that (1) the rod-like zinc oxide is adopted as the vector, so that the agglomeration of the halogen bismuth oxide can be prevented, and the catalyst activity is obviously improved; (2) the rod-like zinc oxide is taken as the vector, loaded with a halogen bismuth oxide visible-light-driven photocatalyst, and then fused and added to the synthetic fiber, so that the problems of recovery and reutilization of the visible-light-driven photocatalyst can be solved, the functional synthetic fiber has the reusability, the secondary pollution can be avoided, and the cost is reduced; (3) the obtained functional synthetic fiber has the visible-light catalytic activity, and can play a role of removing the formaldehyde under irradiation of visible light, so as to prepare curtains, clothes, textiles and the like with the effect of removing the formaldehyde. Thus, the application range of the synthetic fiber is further expanded.
Description
Technical field
The invention belongs to composite fibre materials field, relate to a kind of functionalization synthetic fibers and preparation and the application that can remove formaldehyde, particularly a kind of functionalization synthetic fibers that contain bar-shaped zinc oxide/BiOX and preparation and application.
Background technology
Synthetic fibers by manually synthetic, there is suitable molecular weight and there is the linear polymer of solvable (or fusible) property, the chemical fibre making through spinning technique and post processing.Mainly comprise carbochain synthetic fibers, as polypropylene fibre (polypropylene fibre), polyacrylonitrile fibre (acrylic fibers), vinylon (vinylon); And heterochain synthetic fibers, as Fypro (polyamide fibre), PET (terylene) etc.In order to widen its range of application, developed at present high-temperature fibre, high-temperature corrosion resistance fiber, high strength fibre, radiation-hardened fiber, fire resistance fibre, macromolecule photoconduction fiber, uvioresistant (Anti-UV) fiber, hollow accumulation of heat fiber, antibiotic odourproof fiber (Anti-bacterial), far IR fibre, negative-ion fiber etc., its functionalization scope need further to widen.
BiOX (BiOX, X=F, Cl, Br, I) with its unique electronic structure, good photocatalysis performance and high chemical stability, attract researcher's extensive concern, and become nova (Wei Pingyu, a Yang Qinglin in photocatalysis research field, Guo Lin. BiOX compound photochemical catalyst [J]. chemical progress .2009,21 (9): 1734-1741.).But, the performance of BiOX photocatalysis performance depends on the particle diameter of himself strongly, only have the particle diameter of BiOX particle is controlled to micro-nano scope, could effectively shorten the distance that excites in electronics and hole, improve visible light catalytic efficiency (AR Liu, SM Wanga, YR Zhao, Z Zheng.Low temperature preparation of nanocrystalline TiO
2photocatalyst with a very large specific surface area[J] .Materials Chemistry and Physics, 2006,99 (1): 131-134.).In addition, BiOX be easy to produce reunite, reduced photocatalysis efficiency (Wei Pingyu, Yang Qinglin, Guo Lin. BiOX compound photochemical catalyst [J]. chemical progress .2009,21 (9): 1734-1741.).For fear of above-mentioned defect, conventional solution is that preparation can immobilized BiOX photocatalyst at present.
(Changhua Wang, Changlu Shao, Yichun Liu, the Lina Zhang.Photocatalytic properties BiOCl and Bi such as Wang
2o
3nanofibers prepared by electrospinning[J] .Scripta Materialia, 2008,59 (3): 332-335.) method of employing Electrospun, prepares particle diameter as 80～140nm taking PAN as carrier, and length reaches the BiOCl fiber of several microns.During using BiOCl fiber as photochemical catalyst, under ultraviolet-visible light, in 60min, by rhodamine B (RB), almost all degraded is complete; Under the same terms, its catalytic performance is Bi
2o
3three times of nanofiber photochemical catalyst.In addition, the research of settling property after BiOCl fiber-reactive is shown, length be micron-sized BiOCl fiber after photocatalysis completes, within 1h, from water slurry, sedimentation is complete.BiOCl fiber has can reusing, can avoid secondary pollution, reduces costs, and in industrial applications, has broad prospects.(the Changlin Yu such as Yu, Jimmy C.Yu, Caifeng Fan, Herui Wen, Shengjie Hu.Synthesis and characterization of Pt/BiOI nanoplate catalyst with enhanced activity under visible light irradiation[J] .Materials Science and Engineering:B, Advanced Functional Solid-State Materials, 2010, 166 (3): 213-219.) a series of Pt/BiOI nanometer sheet have been synthesized, platinum nanoparticle can serve as electron capture agent, promote separating of electronics and hole, reduce recombination rate again, increase quantum efficiency.By the Acid Orange II of degrading under radiation of visible light to measure its activity.Result shows, irradiates 1h, and Pt (0.2%wt)/BiOI catalytic activity is the highest, is 90% to the degradation rate of Acid Orange II, can obviously overcome BiOX and be easy to produce the problem of reuniting.Publication number is Chinese patent application " a kind of molecular sieve loaded BiOX photocatalyst of CN101653732, preparation method and application thereof " a kind of molecular sieve loaded BiOX photocatalyst is provided, preparation method and application thereof, the catalyst of this invention is with SBA-15, ZSM-5, one or more in HY are carrier, BiOX is the loaded catalyst that active component forms, for the organic removal of gas phase, be carrier owing to introducing molecular sieve in its catalyst, increase the specific area of catalyst, reduce crystallite dimension, significantly improve the activity of catalyst degradation benzene.
Summary of the invention
In order to develop new functionalization synthetic fibers, further widen the range of application of synthetic fibers, primary and foremost purpose of the present invention is to provide a kind of preparation method of the functionalization synthetic fibers that can remove formaldehyde.
The functionalization synthetic fibers that provide a kind of said method to prepare are provided, and these functionalization synthetic fibers, containing bar-shaped zinc oxide/BiOX composite, have visible light catalysis activity.
A further object of the present invention is to provide above-mentioned functions to be combined to fiber in the application of removing in formaldehyde.
Object of the present invention is achieved through the following technical solutions: a kind of preparation method of the functionalization synthetic fibers that can remove formaldehyde, comprises the steps:
(1) prepare bar-shaped zinc oxide;
(2) by equimolar Bi (NO
3)
35H
2o and KX successively dissolve in ethylene glycol, after being uniformly mixed, then add bar-shaped zinc oxide under room temperature, under room temperature, after ultrasonic 1～3h, proceed in the autoclave with polytetrafluoroethylliner liner, and the packing volume that makes reactor is 60～80%; Reactor is reacted after 6～18h under 140～200 DEG C of constant temperatures, centrifugal, collect white precipitate, water and absolute ethyl alcohol be alternately after washing, dry 24～48h at 60～95 DEG C, both bar-shaped zinc oxide/BiOX composite; Described KX is Cl, Br or I;
(3) in synthetic fibers, add bar-shaped zinc oxide/BiOX composite, as compound material, in feeding melt extruder, then by melt extruding, fiber forms, fiber is cooling, obtains removing the functionalization synthetic fibers of formaldehyde;
The described synthetic fibers of step (3), the described bar-shaped zinc oxide of step (2) and Bi (NO
3)
35H
2the mass ratio of O is 100 ︰ (1～15) ︰ (0.1～5).
Described in step (1), bar-shaped zinc oxide is to prepare in accordance with the following methods: by 1g Zn (Ac)
22H
2o is dissolved in 40～200mL distilled water, then adds 2～4mL NH
3h
2o, obtains white suspension, and 60～95 DEG C of heating water bath 2～10h are centrifugal, collects white precipitate, and water or absolute ethyl alcohol be alternately after washing, dry 24～48h at 60～95 DEG C, both bar-shaped zinc oxide.Described alternately washing is to adopt 50mL water or 50mL absolute ethyl alcohol alternately to wash 4 times at every turn.
The length of bar-shaped zinc oxide described in step (1) is 2～3 μ m, and diameter is 200～400nm, and the weightlessness in 900 DEG C is that 1～2wt%(uses the SDT-Q600 type thermogravimetric analyzer of TA company of the U.S. to carry out thermogravimetric test, and 10 DEG C/min of heating rate, at N
2in atmosphere, carry out).The advantages such as the bar-shaped zinc oxide of gained has club shaped structure, and heat endurance is good are the excellent carrier of various inorganic nano-particles.
The consumption of ethylene glycol described in step (2) is every mole of Bi (NO
3)
35H
2in O, use 200～400mL ethylene glycol.
Described in step (2), alternately washing is to adopt 50mL water or 50mL absolute ethyl alcohol alternately to wash 4 times at every turn.
Synthetic fibers described in step (3) are the one in polypropylene fibre (PP), terylene (PET), polyamide fibre (PA), viscose rayon, acrylic fibers, polyethylene (HDPE) and polyvinyl chloride fibre (PVC).
The functionalization synthetic fibers that can remove formaldehyde, are prepared by above-mentioned preparation method.These functionalization synthetic fibers consist of the bar-shaped zinc oxide of [synthetic fibers] 100[] x[BiOX]
y(100 are defined as 100g synthetic fibers; X is defined as the amount that contains bar-shaped zinc oxide in 100g synthetic fibers, and unit is g, and scope is 1～15; The amount of y justice for containing BiOX in 100g synthetic fibers, unit is g, scope is 0.1～5).
The above-mentioned functionalization synthetic fibers that can remove formaldehyde are in the application of removing in formaldehyde field, and the described functionalization synthetic fibers that can remove formaldehyde can be made into has curtain, clothing or the textile of removing formaldehyde effect.
The present invention has following advantage and effect with respect to prior art:
(1) adopting bar-shaped zinc oxide is carrier, load fixing BiOX better, the specific area (650～850m of increase BiOX
2/ g), reduce BiOX crystallite dimension, prevent that it from reuniting, its as shown in Figure 1, and the specific area of the BiOX that is not carrier with bar-shaped zinc oxide is only 50～80m
2/ g, because specific area is larger, photocatalytic activity is better, and therefore adopting bar-shaped zinc oxide is the catalyst activity that carrier can significantly improve BiOX.
(2) the present invention is taking bar-shaped zinc oxide as carrier, loaded BiOX visible light catalyst, and then melting is added in synthetic fibers, can solve a recovery and reuse difficult problem for visible light catalyst; Having can reusing, can avoid secondary pollution, reduces costs, and in industrial applications, has broad prospects.
(3) the functionalization synthetic fibers of gained of the present invention have visible light catalysis activity, under the irradiation of visible ray, can play and remove the effect of formaldehyde, can be made into and there are the curtain, clothing, textile etc. of removing formaldehyde effect, thereby further widen the range of application of synthetic fibers.
Brief description of the drawings
Fig. 1 is the transmission electron microscope picture of bar-shaped zinc oxide/BiOX composite of preparing of embodiment 1;
Fig. 2 is the ESEM picture of the functionalization synthetic fibers prepared of embodiment 4;
Fig. 3 is the solid-state visible absorption spectra of the functionalization synthetic fibers with visible light catalysis activity prepared of embodiment 7;
Fig. 4 is the degradation curves of the functionalization synthetic fibers with visible light catalysis activity prepared of embodiment 7 to formaldehyde in air.
Detailed description of the invention
Below in conjunction with embodiment and accompanying drawing, the present invention is described in further detail, but embodiments of the present invention are not limited to this.
Following examples adopt Micromeritics ASAP2010 to measure the specific area of bar-shaped zinc oxide/BiOX composite and BiOX.
Embodiment 1
By 1g Zn (Ac)
22H
2o is dissolved in 40mL distilled water, then adds 2mL NH
3h
2o, obtains white suspension, then proceed in 250mL round-bottomed flask, 60 DEG C of heating water bath 10h, centrifugal, collect white precipitate, use 50mL water or 50mL absolute ethyl alcohol at every turn, alternately wash after 4 times, dry 48h at 60 DEG C, both bar-shaped zinc oxide; The length of the bar-shaped zinc oxide of gained is 2～3 μ m, and diameter is 200～400nm; Weightlessness in 900 DEG C is that 1wt%(uses the SDT-Q600 type thermogravimetric analyzer of TA company of the U.S. to carry out thermogravimetric test, and 10 DEG C/min of heating rate, at N
2in atmosphere, carry out), there is club shaped structure, the advantage such as heat endurance is good, is the excellent carrier of various inorganic nano-particles.
Bi (the NO of 1mol will be waited
3)
35H
2the KCl of O and 1mol is successively dissolved in 250mL ethylene glycol, after being uniformly mixed, then adds bar-shaped zinc oxide (Bi (NO under room temperature
3)
35H
2bar-shaped zinc oxide=0.1 ︰ 1 of O ︰), under room temperature, after ultrasonic 1h, proceed in the autoclave with polytetrafluoroethylliner liner, the packing volume that makes reactor is 60%.Reactor is placed in electric heating constant temperature baking oven, reacts after 18h at 140 DEG C, centrifugal, collect white precipitate, use 50mL water or 50mL absolute ethyl alcohol at every turn, alternately wash after 4 times, dry 48h at 60 DEG C, both bar-shaped zinc oxide/bismoclite composite, its transmission electron microscope picture is as shown in Figure 1; Its specific area is 650m
2/ g, and the specific area that does not add the bismoclite of bar-shaped zinc oxide is 50m
2/ g.
In 100g polypropylene fibre, add a certain amount of bar-shaped zinc oxide/bismoclite composite (the bar-shaped Yangization Xin of mass ratio: Bing Lun ︰ ︰ Bi (NO
3)
35H
2o=100 ︰ 1 ︰ 0.1), as compound material, in feeding melt extruder, then by melt extruding, fiber forms, fiber is cooling, obtains removing the functionalization synthetic fibers (60,1g functional compound fibroblast Wella becomes 60m) of formaldehyde.It consists of [polypropylene fibre]
100[bar-shaped zinc oxide]
1[bismoclite]
0.1.
Embodiment 2
By 1g Zn (Ac)
22H
2o is dissolved in 200mL distilled water, then adds 3mL NH
3h
2o, obtains white suspension, then proceed in 250mL round-bottomed flask, 95 DEG C of heating water bath 9h, centrifugal, collect white precipitate, use 50mL water or 50mL absolute ethyl alcohol at every turn, alternately wash after 4 times, dry 24h at 95 DEG C, both bar-shaped zinc oxide; The length of the bar-shaped zinc oxide of gained is 2～3 μ m, and diameter is 200～400nm; Weightlessness in 900 DEG C is that 2wt%(uses the SDT-Q600 type thermogravimetric analyzer of TA company of the U.S. to carry out thermogravimetric test, and 10 DEG C/min of heating rate, at N
2in atmosphere, carry out), there is club shaped structure, the advantage such as heat endurance is good, is the excellent carrier of various inorganic nano-particles.
Bi (the NO of 1mol will be waited
3)
35H
2the KBr of O and 1mol is successively dissolved in 250mL ethylene glycol, after being uniformly mixed, then adds bar-shaped zinc oxide (Bi (NO under room temperature
3)
35H
2bar-shaped zinc oxide=0.1 ︰ 15 of O ︰), under room temperature, after ultrasonic 2h, proceed in the autoclave with polytetrafluoroethylliner liner, the packing volume that makes reactor is 70%.Reactor is placed in electric heating constant temperature baking oven, reacts after 16h at 150 DEG C, centrifugal, collect white precipitate, use 50mL water or 50mL absolute ethyl alcohol at every turn, alternately wash after 4 times, dry 24h at 95 DEG C, both bar-shaped zinc oxide/bismuth oxybromide composite; Its specific area is 700m
2/ g, and the specific area that does not add the bismoclite of bar-shaped zinc oxide is 55m
2/ g.
In 100g terylene, add a certain amount of bar-shaped zinc oxide/BiOX composite (the bar-shaped Yangization Xin of mass ratio: Di Lun ︰ ︰ Bi (NO
3)
35H
2o=100 ︰ 15 ︰ 0.1), as compound material, in feeding melt extruder, then by melt extruding, fiber forms, fiber is cooling, obtains removing the functionalization synthetic fibers (60,1g functional compound fibroblast Wella becomes 60m) of formaldehyde.It consists of [terylene]
100[bar-shaped zinc oxide]
15[bismuth oxybromide]
0.1.
Embodiment 3
By 1g Zn (Ac)
22H
2o is dissolved in 160mL distilled water, then adds 4mL NH
3h
2o, obtains white suspension, then proceed in 250mL round-bottomed flask, 90 DEG C of heating water bath 8h, centrifugal, collect white precipitate, use 50mL water or 50mL absolute ethyl alcohol at every turn, alternately wash after 4 times, dry 24h at 90 DEG C, both bar-shaped zinc oxide; The length of the bar-shaped zinc oxide of gained is 2～3 μ m, and diameter is 200～400nm; Weightlessness in 900 DEG C is that 1wt%(uses the SDT-Q600 type thermogravimetric analyzer of TA company of the U.S. to carry out thermogravimetric test, and 10 DEG C/min of heating rate, at N
2in atmosphere, carry out), there is club shaped structure, the advantage such as heat endurance is good, is the excellent carrier of various inorganic nano-particles.
Bi (the NO of 1mol will be waited
3)
35H
2the KI of O and 1mol is successively dissolved in 250mL ethylene glycol, after being uniformly mixed, then adds bar-shaped zinc oxide (Bi (NO under room temperature
3)
35H
2bar-shaped zinc oxide=5 ︰ 1 of O ︰), under room temperature, after ultrasonic 3h, proceed in the autoclave with polytetrafluoroethylliner liner, the packing volume that makes reactor is 80%.Reactor is placed in electric heating constant temperature baking oven, reacts after 14h at 160 DEG C, centrifugal, collect white precipitate, use 50mL water or 50mL absolute ethyl alcohol at every turn, alternately wash after 4 times, dry 24h at 90 DEG C, both bar-shaped zinc oxide/bismuth oxyiodide composite; Its specific area is 750m
2/ g, and the specific area that does not add the bismoclite of bar-shaped zinc oxide is 60m
2/ g.
In 100g polyamide fibre, add a certain amount of bar-shaped zinc oxide/bismuth oxyiodide composite (the bar-shaped Yangization Xin of mass ratio: Jin Lun ︰ ︰ Bi (NO
3)
35H
2o=100 ︰ 1 ︰ 5), as compound material, in feeding melt extruder, then by melt extruding, fiber forms, fiber is cooling, obtains removing the functionalization synthetic fibers (60,1g functional compound fibroblast Wella becomes 60m) of formaldehyde.It consists of [polyamide fibre]
100[bar-shaped zinc oxide]
1[bismuth oxyiodide]
5.
Embodiment 4
By 1g Zn (Ac)
22H
2o is dissolved in 120mL distilled water, then adds 2mL NH
3h
2o, obtains white suspension, then proceed in 250mL round-bottomed flask, 85 DEG C of heating water bath 6h, centrifugal, collect white precipitate, use 50mL water or 50mL absolute ethyl alcohol at every turn, alternately wash after 4 times, dry 36h at 85 DEG C, both bar-shaped zinc oxide; The length of the bar-shaped zinc oxide of gained is 2～3 μ m, and diameter is 200～400nm; Weightlessness in 900 DEG C is that 2wt%(uses the SDT-Q600 type thermogravimetric analyzer of TA company of the U.S. to carry out thermogravimetric test, and 10 DEG C/min of heating rate, at N
2in atmosphere, carry out), there is club shaped structure, the advantage such as heat endurance is good, is the excellent carrier of various inorganic nano-particles.
Bi (the NO of 1mol will be waited
3)
35H
2the KCl of O and 1mol is successively dissolved in 250mL ethylene glycol, after being uniformly mixed, then adds bar-shaped zinc oxide (Bi (NO under room temperature
3)
35H
2bar-shaped zinc oxide=5 ︰ 15 of O ︰), under room temperature, after ultrasonic 1h, proceed in the autoclave with polytetrafluoroethylliner liner, the packing volume that makes reactor is 60%.Reactor is placed in electric heating constant temperature baking oven, reacts after 12h at 170 DEG C, centrifugal, collect white precipitate, use 50mL water or 50mL absolute ethyl alcohol at every turn, alternately wash after 4 times, dry 36h at 85 DEG C, both bar-shaped zinc oxide/bismoclite composite; Its specific area is 800m
2/ g, and the specific area that does not add the bismoclite of bar-shaped zinc oxide is 65m
2/ g.
In 100g viscose rayon, add a certain amount of bar-shaped zinc oxide/bismoclite composite (mass ratio: the bar-shaped Yangization Xin of Nian Jiao Xian Wei ︰ ︰ Bi (NO
3)
35H
2o=100 ︰ 15 ︰ 5), as compound material, in feeding melt extruder, then by melt extruding, fiber forms, fiber is cooling, the functionalization synthetic fibers (60,1g functional compound fibroblast Wella becomes 60m) that obtain removing formaldehyde, its ESEM picture as shown in Figure 2.It consists of [viscose rayon]
100[bar-shaped zinc oxide]
15[bismoclite]
5.
Embodiment 5
By 1g Zn (Ac)
22H
2o is dissolved in 80mL distilled water, then adds 3mL NH
3h
2o, obtains white suspension, then proceed in 250mL round-bottomed flask, 80 DEG C of heating water bath 4h, centrifugal, collect white precipitate, use 50mL water or 50mL absolute ethyl alcohol at every turn, alternately wash after 4 times, dry 36h at 80 DEG C, both bar-shaped zinc oxide; The length of the bar-shaped zinc oxide of gained is 2～3 μ m, and diameter is 200～400nm; Weightlessness in 900 DEG C is that 1wt%(uses the SDT-Q600 type thermogravimetric analyzer of TA company of the U.S. to carry out thermogravimetric test, and 10 DEG C/min of heating rate, at N
2in atmosphere, carry out), there is club shaped structure, the advantage such as heat endurance is good, is the excellent carrier of various inorganic nano-particles.
Bi (the NO of 1mol will be waited
3)
35H
2the KBr of O and 1mol is successively dissolved in 250mL ethylene glycol, after being uniformly mixed, then adds bar-shaped zinc oxide (Bi (NO under room temperature
3)
35H
2bar-shaped zinc oxide=5 ︰ 10 of O ︰), under room temperature, after ultrasonic 2h, proceed in the autoclave with polytetrafluoroethylliner liner, the packing volume that makes reactor is 70%.Reactor is placed in electric heating constant temperature baking oven, reacts after 10h at 180 DEG C, centrifugal, collect white precipitate, use 50mL water or 50mL absolute ethyl alcohol at every turn, alternately wash after 4 times, dry 36h at 80 DEG C, both bar-shaped zinc oxide/bismuth oxybromide composite; Its specific area is 820m
2/ g, and the specific area that does not add the bismoclite of bar-shaped zinc oxide is 70m
2/ g.
In 100g acrylic fibers, add a certain amount of bar-shaped zinc oxide/bismuth oxybromide composite (the bar-shaped Yangization Xin of mass ratio: Jing Lun ︰ ︰ Bi (NO
3)
35H
2o=100 ︰ 10 ︰ 5), as compound material, in feeding melt extruder, then by melt extruding, fiber forms, fiber is cooling, obtains removing the functionalization synthetic fibers (60,1g functional compound fibroblast Wella becomes 60m) of formaldehyde.It consists of [acrylic fibers]
100[bar-shaped zinc oxide]
10[bismuth oxybromide]
5.
Embodiment 6
By 1g Zn (Ac)
22H
2o is dissolved in 140mL distilled water, then adds 4mL NH
3h
2o, obtains white suspension, then proceed in 250mL round-bottomed flask, 75 DEG C of heating water bath 3h, centrifugal, collect white precipitate, use 50mL water or 50mL absolute ethyl alcohol at every turn, alternately wash after 4 times, dry 48h at 75 DEG C, both bar-shaped zinc oxide; The length of the bar-shaped zinc oxide of gained is 2～3 μ m, and diameter is 200～400nm; Weightlessness in 900 DEG C is that 2wt%(uses the SDT-Q600 type thermogravimetric analyzer of TA company of the U.S. to carry out thermogravimetric test, and 10 DEG C/min of heating rate, at N
2in atmosphere, carry out), there is club shaped structure, the advantage such as heat endurance is good, is the excellent carrier of various inorganic nano-particles.
Bi (the NO of 1mol will be waited
3)
35H
2the KI of O and 1mol is successively dissolved in 250mL ethylene glycol, after being uniformly mixed, then adds bar-shaped zinc oxide (Bi (NO under room temperature
3)
35H
2bar-shaped zinc oxide=5 ︰ 5 of O ︰), under room temperature, after ultrasonic 3h, proceed in the autoclave with polytetrafluoroethylliner liner, the packing volume that makes reactor is 80%.Reactor is placed in electric heating constant temperature baking oven, reacts after 8h at 190 DEG C, centrifugal, collect white precipitate, use 50mL water or 50mL absolute ethyl alcohol at every turn, alternately wash after 4 times, dry 48h at 75 DEG C, both bar-shaped zinc oxide/bismuth oxyiodide composite; Its specific area is 840m
2/ g, and the specific area that does not add the bismoclite of bar-shaped zinc oxide is 75m
2/ g.
In 100g polyethylene, add a certain amount of bar-shaped zinc oxide/bismuth oxyiodide composite (the bar-shaped Yangization Xin of mass ratio: Yi Lun ︰ ︰ Bi (NO
3)
35H
2o=100 ︰ 5 ︰ 5), as compound material, in feeding melt extruder, then by melt extruding, fiber forms, fiber is cooling, obtains removing the functionalization synthetic fibers (60,1g functional compound fibroblast Wella becomes 60m) of formaldehyde.It consists of [polyethylene]
100[bar-shaped zinc oxide]
5[bismuth oxyiodide]
5.
Embodiment 7
By 1g Zn (Ac)
22H
2o is dissolved in 120mL distilled water, then adds 3mL NH
3h
2o, obtains white suspension, then proceed in 250mL round-bottomed flask, 70 DEG C of heating water bath 2h, centrifugal, collect white precipitate, use 50mL water or 50mL absolute ethyl alcohol at every turn, alternately wash after 4 times, dry 48h at 70 DEG C, both bar-shaped zinc oxide; The length of the bar-shaped zinc oxide of gained is 2～3 μ m, and diameter is 200～400nm; Weightlessness in 900 DEG C is that 2wt%(uses the SDT-Q600 type thermogravimetric analyzer of TA company of the U.S. to carry out thermogravimetric test, and 10 DEG C/min of heating rate, at N
2in atmosphere, carry out), there is club shaped structure, the advantage such as heat endurance is good, is the excellent carrier of various inorganic nano-particles.
Bi (the NO of 1mol will be waited
3)
35H
2the KI of O and 1mol is successively dissolved in 250mL ethylene glycol, after being uniformly mixed, then adds bar-shaped zinc oxide (Bi (NO under room temperature
3)
35H
2bar-shaped zinc oxide=5 ︰ 5 of O ︰), under room temperature, after ultrasonic 2h, proceed in the autoclave with polytetrafluoroethylliner liner, the packing volume that makes reactor is 60%.Reactor is placed in electric heating constant temperature baking oven, reacts after 6h at 200 DEG C, centrifugal, collect white precipitate, use 50mL water or 50mL absolute ethyl alcohol at every turn, alternately wash after 4 times, dry 48h at 70 DEG C, both bar-shaped zinc oxide/bismuth oxyiodide composite; Its specific area is 850m
2/ g, and the specific area that does not add the bismoclite of bar-shaped zinc oxide is 80m
2/ g.
In 100g polyvinyl chloride fibre, add a certain amount of bar-shaped zinc oxide/bismuth oxyiodide composite (the bar-shaped Yangization Xin of mass ratio: Lv Lun ︰ ︰ Bi (NO
3)
35H
2o=100 ︰ 5 ︰ 5), as compound material, in feeding melt extruder, then by melt extruding, fiber forms, fiber is cooling, the functionalization synthetic fibers (60,1g functional compound fibroblast Wella becomes 60m) that obtain removing formaldehyde, its solid-state visible absorption spectra as shown in Figure 3.It consists of [polyvinyl chloride fibre]
100[bar-shaped zinc oxide]
5[bismuth oxyiodide]
5.
Can find out from embodiment 1～7, by changing the addition of each raw material, make respectively the functionalization synthetic fibers that can remove formaldehyde that synthetic fibers-bar-shaped zinc oxide-BiOX ratio is different.
Application Example
By the functionalization synthetic fibers that can remove formaldehyde prepared embodiment 1～7, for removing airborne formaldehyde, investigate the clearance of its PARA FORMALDEHYDE PRILLS(91,95).Detection method bibliography (Lu Yuanwei, Ma Chongfang, Xia Guodong, Yin Xueyun, Wang Chao. the photocatalytic oxidation degradation research of indoor pollutant formaldehyde. solar energy journal, 2004,25 (4): 542-546.) carry out.
Described experimental provision is square duct (300 × 300cm
2), in passage, arrange the two-layer cloth being made into by the functionalization synthetic fibers (60,1g functional compound fibroblast Wella becomes 60m) that can remove formaldehyde, size is 4 × 4cm
2(density is 110 × 90, and warp thread is 110 per square inch, and weft yarn is 90) in layer of cloth intermediate arrangement 300W xenon lamp, filter the ultraviolet part in xenon lamp light with 420nm filter plate.Experiment is at 2 × 2 × 1m
3glass capsulation storehouse in carry out, place 2 flooring fans in gas-tight silo, one is blown to top-direction, one is blown to bottom direction, in gas-tight silo, the uniform CONCENTRATION DISTRIBUTION of forming portion, is placed on experimental section structure in gas-tight silo.Sidewall at gas-tight silo is furnished with sample tap, and humidity is to regulate by electrode humidifler in gas-tight silo, and humidity control is to complete by Siemens's control device cooperation humidifier that wet, controls temperature by resistance-type electric furnace.When experiment starts, regulate humidity and temperature in gas-tight silo to reach measured value, then inject certain density formaldehyde gas from the sidewall sample tap of container, open fan, gas is mixed, open xenon lamp, measure at regular intervals the Natural Attenuation rule that change in concentration draws pollutant (adopting 4160 type formaldehyde analyzers of American I nterscan company to measure content of formaldehyde changes), analyze its photocatalytic degradation rule.The test condition of experiment: 10～40 DEG C, humidity 10%～70%.
Embodiment 8
The cloth that adopts the prepared functionalization synthetic fibers (60,1g functional compound fibroblast Wella becomes 60m) of embodiment 1 to be made into, size is 4 × 4cm
2(density is 110 × 90, and warp thread is 110 per square inch, and weft yarn is 90), tests the degradation rate of its PARA FORMALDEHYDE PRILLS(91,95) under visible ray, and the solubility of formaldehyde is 1g/m
3, test condition is 10 DEG C, humidity 10%.Result demonstration, under the condition of radiation of visible light, after illumination 5h, the degradation rate of formaldehyde reaches 31.6%.And be not carrier with bar-shaped zinc oxide, adopt the prepared functionalization synthetic fibers of embodiment 1, due to the reunion of BiOX, after illumination 5h, the degraded of formaldehyde is only 6.2%.
Embodiment 9
The cloth that adopts the prepared functionalization synthetic fibers (60,1g functional compound fibroblast Wella becomes 60m) of embodiment 2 to be made into, size is 4 × 4cm
2(density is 110 × 90, and warp thread is 110 per square inch, and weft yarn is 90), tests the degradation rate of its PARA FORMALDEHYDE PRILLS(91,95) under visible ray, and the solubility of formaldehyde is 1g/m
3, test condition is 20 DEG C, humidity 20%.Result demonstration, under the condition of radiation of visible light, after illumination 5h, the degradation rate of formaldehyde reaches 42.7%.And be not carrier with bar-shaped zinc oxide, adopt the prepared functionalization synthetic fibers of embodiment 1, due to the reunion of BiOX, after illumination 5h, the degraded of formaldehyde is only 8.0%.
Embodiment 10
The cloth that adopts the prepared functionalization synthetic fibers (60,1g functional compound fibroblast Wella becomes 60m) of embodiment 3 to be made into, size is 4 × 4cm
2(density is 110 × 90, and warp thread is 110 per square inch, and weft yarn is 90), tests the degradation rate of its PARA FORMALDEHYDE PRILLS(91,95) under visible ray, and the solubility of formaldehyde is 1g/m
3, test condition is 30 DEG C, humidity 30%.Result demonstration, under the condition of radiation of visible light, after illumination 5h, the degradation rate of formaldehyde reaches 93.2%.And be not carrier with bar-shaped zinc oxide, adopt the prepared functionalization synthetic fibers of embodiment 1, due to the reunion of BiOX, after illumination 5h, the degraded of formaldehyde is only 17.7%.
Embodiment 11
The cloth that adopts the prepared functionalization synthetic fibers (60,1g functional compound fibroblast Wella becomes 60m) of embodiment 4 to be made into, size is 4 × 4cm
2(density is 110 × 90, and warp thread is 110 per square inch, and weft yarn is 90), tests the degradation rate of its PARA FORMALDEHYDE PRILLS(91,95) under visible ray, and the solubility of formaldehyde is 1g/m
3, test condition is 40 DEG C, humidity 40%.Result demonstration, under the condition of radiation of visible light, after illumination 5h, the degradation rate of formaldehyde reaches 99.8%.And be not carrier with bar-shaped zinc oxide, adopt the prepared functionalization synthetic fibers of embodiment 1, due to the reunion of BiOX, after illumination 5h, the degraded of formaldehyde is only 19.5%.
Embodiment 12
The cloth that adopts the prepared functionalization synthetic fibers (60,1g functional compound fibroblast Wella becomes 60m) of embodiment 5 to be made into, size is 4 × 4cm
2(density is 110 × 90, and warp thread is 110 per square inch, and weft yarn is 90), tests the degradation rate of its PARA FORMALDEHYDE PRILLS(91,95) under visible ray, and the solubility of formaldehyde is 1g/m
3, test condition is 30 DEG C, humidity 50%.Result demonstration, under the condition of radiation of visible light, after illumination 5h, the degradation rate of formaldehyde reaches 97.3%.And be not carrier with bar-shaped zinc oxide, adopt the prepared functionalization synthetic fibers of embodiment 1, due to the reunion of BiOX, after illumination 5h, the degraded of formaldehyde is only 18.2%.
Embodiment 13
The cloth that adopts the prepared functionalization synthetic fibers (60,1g functional compound fibroblast Wella becomes 60m) of embodiment 6 to be made into, size is 4 × 4cm
2(density is 110 × 90, and warp thread is 110 per square inch, and weft yarn is 90), tests the degradation rate of its PARA FORMALDEHYDE PRILLS(91,95) under visible ray, and the solubility of formaldehyde is 1g/m
3, test condition is 20 DEG C, humidity 60%.Result demonstration, under the condition of radiation of visible light, after illumination 5h, the degradation rate of formaldehyde reaches 95.5%.And be not carrier with bar-shaped zinc oxide, adopt the prepared functionalization synthetic fibers of embodiment 1, due to the reunion of BiOX, after illumination 5h, the degraded of formaldehyde is only 17.9%.
Embodiment 14
The cloth that adopts the prepared functionalization synthetic fibers (60,1g functional compound fibroblast Wella becomes 60m) of embodiment 7 to be made into, size is 4 × 4cm
2(density is 110 × 90, and warp thread is 110 per square inch, and weft yarn is 90), tests the degradation rate of its PARA FORMALDEHYDE PRILLS(91,95) under visible ray, and the solubility of formaldehyde is 1g/m
3, test condition is 15 DEG C, humidity 70%.Result demonstration, under the condition of radiation of visible light, after illumination 5h, the degradation rate of formaldehyde reaches 94.8%, and its degradation curve is as shown in Figure 4.And be not carrier with bar-shaped zinc oxide, adopt the prepared functionalization synthetic fibers of embodiment 1, due to the reunion of BiOX, after illumination 5h, the degraded of formaldehyde is only 17.8%.
Above-described embodiment is preferably embodiment of the present invention; but embodiments of the present invention are not restricted to the described embodiments; other any do not deviate from change, the modification done under Spirit Essence of the present invention and principle, substitutes, combination, simplify; all should be equivalent substitute mode, within being included in protection scope of the present invention.
Claims (9)
1. the preparation method that can remove the functionalization synthetic fibers of formaldehyde, is characterized in that comprising the steps:
(1) prepare bar-shaped zinc oxide;
(2) by equimolar Bi (NO
3)
35H
2o and KX successively dissolve in ethylene glycol, after being uniformly mixed, then add bar-shaped zinc oxide under room temperature, under room temperature, after ultrasonic 1～3h, proceed in the autoclave with polytetrafluoroethylliner liner, and the packing volume that makes reactor is 60～80%; Reactor is reacted after 6～18h under 140～200 DEG C of constant temperatures, centrifugal, collect white precipitate, water and absolute ethyl alcohol be alternately after washing, dry 24～48h at 60～95 DEG C, both bar-shaped zinc oxide/BiOX composite; Described KX is Cl, Br or I;
(3) in synthetic fibers, add bar-shaped zinc oxide/BiOX composite, as compound material, in feeding melt extruder, then by melt extruding, fiber forms, fiber is cooling, obtains removing the functionalization synthetic fibers of formaldehyde;
The described synthetic fibers of step (3), the described bar-shaped zinc oxide of step (2) and Bi (NO
3)
35H
2the mass ratio of O is 100 ︰ (1～15) ︰ (0.1～5).
2. the preparation method of a kind of functionalization synthetic fibers that can remove formaldehyde according to claim 1, is characterized in that: described in step (1), bar-shaped zinc oxide is to prepare in accordance with the following methods: by 1gZn (Ac)
22H
2o is dissolved in 40～200mL distilled water, then adds 2～4mL NH
3h
2o, obtains white suspension, and 60～95 DEG C of heating water bath 2～10h are centrifugal, collects white precipitate, and water or absolute ethyl alcohol be alternately after washing, dry 24～48h at 60～95 DEG C, both bar-shaped zinc oxide.
3. the preparation method of a kind of functionalization synthetic fibers that can remove formaldehyde according to claim 2, is characterized in that: described alternately washing is to adopt 50mL water or 50mL absolute ethyl alcohol alternately to wash 4 times at every turn.
4. the preparation method of a kind of functionalization synthetic fibers that can remove formaldehyde according to claim 1, is characterized in that: the length of bar-shaped zinc oxide described in step (1) is 2～3 μ m, and diameter is 200～400nm, and the weightlessness in 900 DEG C is 1～2wt%.
5. the preparation method of a kind of functionalization synthetic fibers that can remove formaldehyde according to claim 1, is characterized in that: the consumption of ethylene glycol described in step (2) is every mole of Bi (NO
3)
35H
2in O, use 200～400mL ethylene glycol.
6. the preparation method of a kind of functionalization synthetic fibers that can remove formaldehyde according to claim 1, is characterized in that: described in step (2), alternately washing is to adopt 50mL water or 50mL absolute ethyl alcohol alternately to wash 4 times at every turn.
7. the preparation method of a kind of functionalization synthetic fibers that can remove formaldehyde according to claim 1, is characterized in that: the synthetic fibers described in step (3) are the one in polypropylene fibre, terylene, polyamide fibre, viscose rayon, acrylic fibers, polyethylene and polyvinyl chloride fibre.
8. can remove functionalization synthetic fibers for formaldehyde, be prepared by the preparation method described in claim 1～7 any one.
9. a kind of functionalization synthetic fibers that can remove formaldehyde according to claim 8, in the application of removing in formaldehyde field, is characterized in that: the described functionalization synthetic fibers that can remove formaldehyde can be made into has curtain, clothing or the textile of removing formaldehyde effect.
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| CN106925304B (en) * | 2017-04-19 | 2020-07-03 | 宁德师范学院 | Bi24O31Br10/ZnO composite visible light catalyst and preparation method thereof |
| CN108311162A (en) * | 2018-02-06 | 2018-07-24 | 常州大学 | A kind of preparation method and applications of ZnO/BiOI heterojunction photocatalysts |
| CN109610038A (en) * | 2018-12-27 | 2019-04-12 | 江苏恒力化纤股份有限公司 | One step spins elastic force composite filament and preparation method thereof |
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