CN104846467A - Dacron color silk with photocatalytic degradation function and preparing method thereof - Google Patents
Dacron color silk with photocatalytic degradation function and preparing method thereof Download PDFInfo
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- CN104846467A CN104846467A CN201510258540.4A CN201510258540A CN104846467A CN 104846467 A CN104846467 A CN 104846467A CN 201510258540 A CN201510258540 A CN 201510258540A CN 104846467 A CN104846467 A CN 104846467A
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Abstract
The invention discloses a dacron color silk with a photocatalytic degradation function and a preparing method of the dacron color silk. The method comprises the following preparing steps that firstly, photocatalysts are modified and are made into PET (polyethylene terephthalate) master batches containing nanometer TiO2; then, the PET master batches are subjected to mixed fusion spinning with PET slices and color master batches; finally, the obtained nanometer TiO2-PET color silk is subjected to base reducing processing to obtain the dacron color silk with the photocatalytic degradation function. The dacron color silk has the advantages that the process condition is simple; the popularization is convenient; the functional purpose of textiles produces in the subsequent production procedures of the dacron color silk is widened.
Description
Technical field
the present invention relates to polyester color yarn preparation field, be specifically related to a kind of terylen look silk with photocatalytic degradation function and preparation method thereof.
Background technology
Polyester color yarn is usually cut into slices by polyester (PET) and Masterbatch forms through high-temperature fusion spinning.Its main feature is: (1), without the need to dyeing, shortens the production process of textile product, solves the problem of environmental pollution produced in dyeing course, Colour Difference also can be avoided the damage of fibre property.(2) fastness abilities such as the textile product tool using colored polyester filament to produce is soaped, Exposure to Sunlight, friction are good.(3) polyester color yarn of different colours has enriched the selective of textile process, is subject to the extensive favor of market terminal textile product.
Photocatalytic degradation typically refers to organic matter under the effect of light, is progressively oxidized to low molecule intermediate product and finally generates CO
2, H
2o and other ion, have good degraded effect fruit for the formaldehyde pollution in air.But functionalization polyester color yarn occupation rate is very low in the market, the polyester color yarn with photocatalytic degradation function makes spinning very difficult due to the problem such as compatibility of pigment and catalyst, and correlative study almost has no report.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind ofly has polyester color yarn of photocatalytic degradation function and preparation method thereof, technique is simple, utilize and promote, the polyester color yarn made has very strong photocatalytic degradation function, and the textile product that postorder polyester color yarn is produced has and excellent goes formaldehyde effect.
The present invention is achieved through the following technical solutions:
There is a polyester color yarn preparation method for photocatalytic degradation function, comprise the following steps,
A. preparation is containing nano-TiO
2pET master batch: get mass fraction 20% TiO
2particle, 0.4% butyl titanate coupling agent, 0.6% polyethylene kind dispersant, 79% mylar are put into high-speed mixer and are mixed; add in extruder that to carry out melting mixing even again; then through water-bath cooling, pelleter pelletizing, finally nano-TiO must be contained through vacuumize again
2pET master batch;
B. nano-TiO is prepared
2-PET look silk: that gets mass fraction 5 ~ 25% contains nano-TiO
2pET master batch, 5% Masterbatch, 70 ~ 90%PET to cut into slices mixed melting spinning, then drawn machine carries out the nano-TiO that stretches to obtain
2-PET look silk;
C. alkali decrement treatment: by nano-TiO
2-PET look silk be dipped in mass fraction be in the NaOH solution of 1% under 90 DEG C of conditions alkali decrement treatment 20min, obtain the nano-TiO with photocatalytic degradation function
2-PET look silk.
The further improvement project of the present invention is, in step a, the molecular weight of polyethylene kind dispersant is 2000-4000.
The present invention further improvement project is, spinning temperature 275 DEG C in step b, spinning speed 800m/min, draw speed 800m/min.
There is a polyester color yarn for photocatalytic degradation function, make according to the above-mentioned polyester color yarn preparation method with photocatalytic degradation function.
The present invention compared with prior art, has following obvious advantage:
First photochemical catalyst is carried out modification and makes containing nano-TiO by the present invention
2pET master batch, then cut into slices with PET and the spinning of Masterbatch mixed melting, finally to the nano-TiO obtained
2-PET look silk carries out the polyester color yarn that alkali decrement treatment obtains having photocatalytic degradation function.Present invention process condition is simple, is convenient to promote, and has widened the functions of textile fabrics purposes that terylen look silk postorder is produced.
Accompanying drawing explanation
Fig. 1 uses the polyester color yarn of the embodiment of the present invention 1 to the degradation effect of dyestuff.
Fig. 2 uses the polyester color yarn of the embodiment of the present invention 2 to the degradation effect of dyestuff.
Fig. 3 uses the polyester color yarn of the embodiment of the present invention 3 to the degradation effect of dyestuff.
Detailed description of the invention
Experimental study shows, adopts nano-TiO of the present invention
2-PET look silk can carry out degradation reaction to aqueous dye solutions, and react 2h under light radiation condition after, the percent of decolourization of dyestuff can reach 46.4%-92.3%.
Introduce specific embodiments of the invention below, but the claims in the present invention are not by the restriction of these specific embodiments.
embodiment 1
1. containing nano-TiO
2the preparation of PET master batch
Adopt blended composite and melting mixing technology, by the nano-TiO of mass fraction 20%
2particle, 0.4% butyl titanate coupling agent, 0.6% polyethylene kind dispersant (molecular weight 2000-4000) mix in high-speed mixer with 79% polyester (PET) resin; join in double screw extruder that to carry out melting mixing even again; then through water-bath cooling and pelleter pelletizing, namely obtain containing nano-TiO finally by vacuumize
2pET master batch.
2. nano-TiO
2the preparation of-PET look silk
By mass fraction 5% containing nano-TiO
2pET master batch, 5% Masterbatch and 90% conventional PET to cut into slices mixed melting spinning, then to stretch on stretching-machine, obtain nano-TiO
2-PET look silk.Main spinning technique: spinning temperature: 275 DEG C, spinning speed: 800m/min, draw speed: 800m/min.
3. alkali decrement treatment
By gained nano-TiO
2-PET look silk at mass fraction be in the NaOH solution of 1% in 90 DEG C of alkali decrement treatment 20 min, obtain the nano-TiO with photocatalytic degradation function
2-PET look silk.
4. Photocatalytic Degradation Property evaluation method
First preparing 50mL REACTIVE Red 195 concentration is the aqueous dye solutions of 0.04mmol/L, then adds the nano-TiO that 0.5kg has photocatalytic degradation function
2-PET look silk is in wherein, degradation experiment is carried out in Photoreactor said mixture being placed in designed, designed, wherein radiant light intensity is ultraviolet light (365nm): 457 μ W/cm2, visible ray (400-1000nm): 4987 μ W/cm2), visible spectrophotometer is used to measure once wherein dye strength change at interval of certain hour, and calculating its percent of decolourization, after light radiation 2h, the percent of decolourization of dyestuff reaches 46.4%.
embodiment 2
1. containing nano-TiO
2the preparation of PET master batch
Technique is identical with 1 step process in embodiment 1.
2. nano-TiO
2the preparation of-PET look silk
Weight portion 15% containing nano-TiO
2pET master batch, 5% Masterbatch and 80% conventional PET cut into slices, all the other are as identical in 2 step process in embodiment 1.
3. alkali decrement treatment
Technique is identical with 3 step process in embodiment 1.
4. Photocatalytic Degradation Property evaluation method
Experimental technique is identical with 4 step experimental techniques in embodiment 1, and after light radiation 2h, the percent of decolourization of dyestuff reaches 78.2%.
embodiment 3
1. containing nano-TiO
2the preparation of PET master batch
Technique is identical with 1 step process in embodiment 1.
2. nano-TiO
2the preparation of-PET look silk
Weight portion 25% containing nano-TiO
2pET master batch, 5% Masterbatch and 70% conventional PET cut into slices, all the other are as identical in 2 step process in embodiment 1.
3. alkali decrement treatment
Technique is identical with 3 step process in embodiment 1.
4. Photocatalytic Degradation Property evaluation method
Experimental technique is identical with 4 step experimental techniques in embodiment 1, and after light radiation 2h, the percent of decolourization of dyestuff reaches 92.3%.
Claims (4)
1. there is a polyester color yarn preparation method for photocatalytic degradation function, it is characterized in that: comprise the following steps,
A. preparation is containing nano-TiO
2pET master batch: get mass fraction 20% TiO
2particle, 0.4% butyl titanate coupling agent, 0.6% polyethylene kind dispersant, 79% mylar are put into high-speed mixer and are mixed; add in extruder that to carry out melting mixing even again; then through water-bath cooling, pelleter pelletizing, finally nano-TiO must be contained through vacuumize again
2pET master batch;
B. nano-TiO is prepared
2-PET look silk: that gets mass fraction 5 ~ 25% contains nano-TiO
2pET master batch, 5% Masterbatch, 70 ~ 90%PET to cut into slices mixed melting spinning, then drawn machine carries out the nano-TiO that stretches to obtain
2-PET look silk;
C. alkali decrement treatment: by nano-TiO
2-PET look silk be dipped in mass fraction be in the NaOH solution of 1% under 90 DEG C of conditions alkali decrement treatment 20min, obtain the nano-TiO with photocatalytic degradation function
2-PET look silk.
2. a kind of polyester color yarn preparation method with photocatalytic degradation function according to claim 1, is characterized in that: in step a, the molecular weight of polyethylene kind dispersant is 2000-4000.
3. a kind of polyester color yarn preparation method with photocatalytic degradation function according to claim 1, is characterized in that: spinning temperature 275 DEG C in step b, spinning speed 800m/min, draw speed 800m/min.
4. there is a polyester color yarn for photocatalytic degradation function, it is characterized in that: the polyester color yarn preparation method with photocatalytic degradation function according to any one of claim 1-3 makes.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510258540.4A CN104846467A (en) | 2015-05-20 | 2015-05-20 | Dacron color silk with photocatalytic degradation function and preparing method thereof |
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Cited By (8)
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| CN106319673A (en) * | 2016-08-19 | 2017-01-11 | 浙江理工大学 | Composite photocatalytic fibers and preparation method thereof |
| CN106544858A (en) * | 2016-09-30 | 2017-03-29 | 旷达纤维科技有限公司 | It is a kind of that there is catalytic degradation function polyster fibre and preparation method thereof |
| CN106592005A (en) * | 2016-11-26 | 2017-04-26 | 杭州同净环境科技有限公司 | Nano-composite fiber material and preparation method thereof |
| CN108677271A (en) * | 2018-06-06 | 2018-10-19 | 浙江理工大学 | A kind of colour superfine photocatalytic fiber and preparation method thereof |
| CN108728933A (en) * | 2018-06-06 | 2018-11-02 | 浙江理工大学 | A kind of compound colored light catalysis fibre of core-skin type and its preparation method and application |
| CN108823672A (en) * | 2018-06-06 | 2018-11-16 | 浙江理工大学 | A kind of coloured photocatalytic fiber and preparation method thereof |
| CN110552080A (en) * | 2019-09-04 | 2019-12-10 | 浙江迈实科技有限公司 | Slice spinning method for photocatalyst chemical fiber |
| CN111501123A (en) * | 2020-03-19 | 2020-08-07 | 赵梓权 | Spinning fiber preparation method, fiber membrane and protective cover |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106319673A (en) * | 2016-08-19 | 2017-01-11 | 浙江理工大学 | Composite photocatalytic fibers and preparation method thereof |
| CN106319673B (en) * | 2016-08-19 | 2019-04-19 | 浙江理工大学 | A kind of composite photocatalyst fiber and preparation method thereof |
| CN106544858A (en) * | 2016-09-30 | 2017-03-29 | 旷达纤维科技有限公司 | It is a kind of that there is catalytic degradation function polyster fibre and preparation method thereof |
| CN106544858B (en) * | 2016-09-30 | 2019-02-22 | 旷达纤维科技有限公司 | A kind of preparation method with catalytic degradation polyester fiber |
| CN106592005A (en) * | 2016-11-26 | 2017-04-26 | 杭州同净环境科技有限公司 | Nano-composite fiber material and preparation method thereof |
| CN106592005B (en) * | 2016-11-26 | 2019-05-14 | 嘉兴迈之新材料科技有限公司 | A kind of nanometer composite fiber material and preparation method thereof |
| CN108677271A (en) * | 2018-06-06 | 2018-10-19 | 浙江理工大学 | A kind of colour superfine photocatalytic fiber and preparation method thereof |
| CN108728933A (en) * | 2018-06-06 | 2018-11-02 | 浙江理工大学 | A kind of compound colored light catalysis fibre of core-skin type and its preparation method and application |
| CN108823672A (en) * | 2018-06-06 | 2018-11-16 | 浙江理工大学 | A kind of coloured photocatalytic fiber and preparation method thereof |
| CN110552080A (en) * | 2019-09-04 | 2019-12-10 | 浙江迈实科技有限公司 | Slice spinning method for photocatalyst chemical fiber |
| CN111501123A (en) * | 2020-03-19 | 2020-08-07 | 赵梓权 | Spinning fiber preparation method, fiber membrane and protective cover |
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