CN102337671B - Preparation method of intelligent anti-ultraviolet fabric - Google Patents
Preparation method of intelligent anti-ultraviolet fabric Download PDFInfo
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- CN102337671B CN102337671B CN 201010238318 CN201010238318A CN102337671B CN 102337671 B CN102337671 B CN 102337671B CN 201010238318 CN201010238318 CN 201010238318 CN 201010238318 A CN201010238318 A CN 201010238318A CN 102337671 B CN102337671 B CN 102337671B
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Abstract
The invention relates to preparation of intelligent anti-ultraviolet (anti-UV) fabric. The preparation method of the invention makes use of a magnetron sputtering method and takes pure metal tungsten as a target material to sputtering to base fabric. In the process of sputtering, the metal tungsten reacts with oxygen in a sputtering chamber so as to generate WO3, which is sputtered to the fabric surface to form a nano-film, thus the intelligent anti-UV fabric is developed successfully. The anti-UV fabric developed by the method of the invention is intelligent anti-UV fabric and has an auto-locking function to UV. The color of the fabric varies with the UV intensity, specifically, the stronger the UV, the darker the color, and the stronger the anti-UV capability. Also, the response of the fabric is reversible. Thus, the fabric in the invention is especially suitable for making spacesuits and working clothes resisting strong UV.
Description
Technical field:
The invention belongs to the function textile field, is the preparation method of the anti-ultraviolet fabric of a kind of intelligence.
Background technology:
Ultra-violet radiation in the solar radiation can be divided into three parts: and long wave ultraviolet--UVA (wavelength 315nm～400nm), ultraviolet B radiation-UVB (wavelength 280nm～315nm), short wave ultraviolet-UVC (wavelength 180nm～280nm).UVA injects Person's skin can activate melanin in the skin, makes skin darkening, accelerates skin aging; After the excessive UVB radiation of a large amount of receptions of skin, can produce erythema, bubble, cause and burn, can cause serious skin disease and cutaneum carcinoma; UVC radiation meeting causes cutaneum carcinoma.In fact, because atmospheric strong absorption, the UVC that reaches ground in the solar radiation is very faint, therefore, is UVA and UVB at ground surface to the ultraviolet ray of harm maximum, and these ultraviolet rays are parts that general uvioresistant product intercepts emphatically.
Regulation according to standard GB/T/T 18830-2009 " evaluation of ultraviolet resistance of fabric ", only has UPF (the Ultraviolet Protection Factor) value of working as sample greater than 40, and the transmitance of UVA is less than 5% the time, just can be referred to as " antiultraviolet product ", these two conditions are indispensable.This is to weigh the index that a kind of product is " antiultraviolet product ".Be 50 such as the UPF value, just explanation has 1/50 ultraviolet ray can see through fabric.The UPF value is higher, just illustrates that ultraviolet protection effect is better.But the UPF value of textiles is only divided two grades of 40+ and 50+ in the national standard, because after UPF is greater than 40, and the transmitance of UVA is less than 5%, be qualified products, and after UPF is greater than 50, and the transmitance of UVA is just smaller on the impact of human body less than 5%.
At present, the anti-ultraviolet fabric of development all is to adopt fabric to ultraviolet absorption and principle of reflection both at home and abroad.The general material that adds a kind of energy reflection or absorbing ultraviolet in textiles, this material is called screening uv-ray agent.Screening uv-ray agent has dividing of organic and mineral-type.The organic screening uv-ray agent mainly contains the aromatic organic compounds such as benzophenone class and benzotriazole, the main absorbing ultraviolet of organic smoke agent for shielding, and can carry out power conversion, with heat energy or other low-energy radiations, energy is discharged or consumption, therefore be called again ultra-violet absorber; The screening uv-ray agent of mineral-type mainly contains the very high inorganic matters of refractive index such as titanium dioxide, zinc oxide and potter's clay, and their mechanism of action mainly is reflection and scatters ultraviolet, is called again the ultraviolet reflection agent.
At present anti-ultraviolet fabric mainly contains two types: the one, and with producing anti-ultraviolet fibre, then woven into fabric.The 2nd, finishing method namely uses the technical finesses such as dipping, stamp, resin, microcapsules to fabric, and this is the maximum class of domestic research and development.
The present invention utilizes magnetron sputtering method that the fabric base cloth is carried out sputter, forms one deck WO at fabric face
3Nano thin-film, the color broken white of this film itself, color can be deepened gradually under ultraviolet irradiation, and the time of irradiation is longer, and ultraviolet ray is stronger, and the color relation of fabric is darker.Under ultraviolet irradiation, fabric can gradually become blue by white, becomes black again.When the color of fabric was more and more darker, the ability of shielding of ultraviolet was just more and more stronger.When fabric became blueness, the UPF value had improved nearly 7 times when white, can reach more than 40, was up to state standards, and when becoming black, the UPF value surpasses 50, has reached the highest standard of anti-ultraviolet fabric.But when fabric was placed in the environment that does not have the ultraviolet ray irradiation, fabric can recover its original color gradually.
This fabric is particularly suitable for making the space suit, and in space, because there is not the protection of ozone layer, ultraviolet ray is strong especially, and fabric becomes dark color soon, and self-locking is carried out in ultraviolet ray, the protection astronaut.But when the astronaut returned the space storehouse, fabric color shoaled gradually, and fabric recovers its original performance, did not affect other properties of suit.Between the ultraviolet-sterilization of hospital, wait the stronger place of ultra-violet radiation, with the protective clothing that this fabric is made, not only can protect medical personnel's safety; and can be on the change color of clothes; judge the uitraviolet intensity of environment, in order to adopt as early as possible measure, protection patient's safety.In addition, on common clothes, can stitch this fabric of a fritter and make ultraviolet ray test standard specimen, stitch simultaneously a fritter warning mark fabric, corresponding to the color of test standard specimen fabric when the critical UV intensity, when the color of test standard specimen when meeting or exceeding the color depth of warning mark fabric, remind people to wear anti-ultraviolet clothes, and face etc. is taked anti-ultraviolet measure.
Summary of the invention:
The present invention utilizes magnetron sputtering method that base cloth is carried out sputter, with WO
3Be splashed to fabric face, succeed in developing the anti-ultraviolet fabric of intelligence, this fabric is under ultraviolet irradiation, and color can deepen gradually, and the ability of shielding of ultraviolet is more and more stronger.
Technical solution of the present invention is:
This preparation method with fabric of ultraviolet light induced discoloration mainly comprises the steps:
1), selected fabric is carried out pre-treatment, to remove the fabric face dirt.
2), pre-treatment process flow process: acetone soaks the fabric ultrasonic wave and processes 5 times → oven dry (100 ℃) of 30 minutes → pure water immersion fabric ultrasonic wave processing, 30 minutes → pure water rinse fabric.
3), sputtering technology flow process: vacuumize → be filled with the ultraviolet light induced color-changeable fabric of argon gas, oxygen → arrange sputtering power → d.c. sputtering → obtain.
The present invention has the following advantages:
1), this preparation method's base cloth wide adaptability.Base cloth not only can be used bondedfibre fabric, can also be with woven fabric etc.The fiber of base cloth fabric can be used the chemical fibres such as terylene, polyamide fibre, aramid fiber, also can use BLENDED FABRIC.
2), magnetron sputtering method is the environmental protection coating process, discharges without waste water, environment is not polluted.
3), the anti-ultraviolet fabric of this preparation method development, be a kind of smart fabric, ultraviolet ray is had auto-lock function, the color of fabric is with ultraviolet Strength Changes, ultraviolet ray is stronger, color is darker, the ability of shielding of ultraviolet is stronger.And this reaction of fabric is reversible.
Description of drawings:
The structural representation of the anti-ultraviolet fabric of Fig. 1 intelligence
Fig. 2 process flow diagram of the present invention
The specific embodiment:
The below is further detailed the present invention with the specific embodiment with reference to the accompanying drawings, in order to technical characterictic of the present invention and products characteristics can be described better.
The present invention adopts magnetron sputtering technique, and product structure is one deck nanoporous metal membrane 1 and one deck base cloth 2.Its procedure of processing is as follows:
1), selects base cloth.
2), selected fabric is carried out pre-treatment, the pre-treatment process flow process is: base cloth → acetone soaks ultrasonic wave to be processed (30 minutes) → pure water and soaks ultrasonic wave and process (30 minutes) → rinsing (5 times) → oven dry (100 ℃).
3), will put into process chamber through the fabric of pre-treatment, under certain vacuum condition, utilize the magnetically controlled DC sputtering technology, with nanometer WO
3Be deposited on fabric face, thereby make the anti-ultraviolet fabric of intelligence.For example, the purity of target tungsten is 99.95%, and the purity of oxygen is 99.95%, and the purity of argon gas is 99.95%.Adopt d.c. sputtering, splash-proofing sputtering process parameter is: target-substrate distance 30mm-70mm, base vacuum 5*10
-3-4*10
-4Pa, operating air pressure 0.1-10Pa, argon gas oxygen flow be than 10: 6, sputtering power 30W-200W, sputtering time 1-90min.
Claims (1)
1. the preparation method of the anti-ultraviolet fabric of an intelligence utilizes magnetron sputtering technique, and target is tungsten, and its purity is 99.95%, take bondedfibre fabric or woven fabric as base cloth, adopts d.c. sputtering, forms one deck nanometer WO at fabric face
3Film makes the anti-ultraviolet fabric of intelligence, mainly comprises the steps:
(1) selects base cloth, the fiber of base cloth fabric is terylene, polyamide fibre or aramid fiber, soaks the fabric ultrasonic wave with acetone and processes 30 minutes, then soaks the fabric ultrasonic wave with pure water and processes 30 minutes, use again the pure water rinse fabric 5 times, at last fabric is dried under 100 ℃ temperature;
(2) sputtering chamber is vacuumized, make base vacuum reach 5 * 10
-3～4 * 10
-4Pa, injecting purity to sputtering chamber is that 99.95% oxygen and purity are 99.95% argon gas, the argon gas oxygen flow made operating air pressure reach 0.1～10Pa than 10: 6; The setting target-substrate distance is 30mm～70mm, and sputtering power is 30W～200W, and sputtering time is 1～90min, adopts d.c. sputtering, makes the anti-ultraviolet fabric of intelligence.
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| CN 201010238318 CN102337671B (en) | 2010-07-27 | 2010-07-27 | Preparation method of intelligent anti-ultraviolet fabric |
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| CN 201010238318 CN102337671B (en) | 2010-07-27 | 2010-07-27 | Preparation method of intelligent anti-ultraviolet fabric |
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| CN102337671A CN102337671A (en) | 2012-02-01 |
| CN102337671B true CN102337671B (en) | 2013-10-30 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103469552A (en) * | 2013-08-21 | 2013-12-25 | 昆山铁牛衬衫厂 | Method for producing anti-radiation fabric |
| CN104674539B (en) * | 2013-12-03 | 2017-04-05 | 香港理工大学 | A kind of method for preparing luminescent fibre and fabric |
| CN111016347A (en) * | 2019-11-25 | 2020-04-17 | 江苏惟妙纺织科技有限公司 | Anti-ultraviolet colorful color-changing fiber lace |
| CN113699784A (en) * | 2021-08-12 | 2021-11-26 | 广东欣丰科技有限公司 | Fabric with ultraviolet-proof function and preparation method and application thereof |
| CN114606761B (en) * | 2022-03-22 | 2024-06-11 | 武汉纺织大学 | Long-acting photo-aging resistant fiber material and preparation method thereof |
-
2010
- 2010-07-27 CN CN 201010238318 patent/CN102337671B/en active Active
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