Effect of CO2 laser treatment on cotton surface

Chow, Y. L.; Chan, C. K.; Kan, Chi Wai

doi:10.1007/s10570-011-9603-2

Cited by 22 publications

(13 citation statements)

References 24 publications

(19 reference statements)

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“…In curve 2, the peaks at 1,453 cm −1 and 954 cm −1 belong to bending vibration of CH 2 N +  (CH 3 ) 3 in methylene group and characteristic quaternary ammonium group in DMC, respectively. It is worth noting the intensity of the vibration peak of the hydroxyethyl groups at 1050 cm −1 in the BP sample is strikingly stronger than that in the infrared laser ignited FP sample, which might be explained by the fact that the laser led to the oxidation of hydroxyl (‐OH) groups to carbonyl or carboxyl groups . Figure (b) indicates the 13 C‐NMR behaviours of as‐prepared hydrogels.…”

Section: Resultsmentioning

confidence: 97%

Facile synthesis of poly(DMC‐co‐HPA) hydrogels via infrared laser ignited frontal polymerization and their adsorption–desorption switching performance

Yang

Wang

et al. 2015

J. Polym. Sci. Part A: Polym. Chem.

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In this work, we report a versatile infrared laser ignited frontal polymerization technique for the fabrication of a series of poly(DMC-co-HPA) hydrogels (DMC 5 methacryloxyethyltrimethyl ammonium chloride, HPA 5 hydroxypropyl acrylate). Because the method is based on the exothermic reaction, no further energy is required in the reaction once it is initiated. Moreover, we have found the polymerization process is a pure frontal polymerization model without involving any other reaction process. The dependence of frontal velocity and temperature on the reaction time is thoroughly discussed. The asprepared hydrogels are pH-responsive and their maximum equilibrium swelling ratio could reach $3,890%. Also, the asprepared poly(DMC-co-HPA) hydrogels capable of adsorption/ desorption switching performance can be utilized for heavy metal ion removal in wastewater treatments. Interestingly, the hydrogels can float on the water surface after intaking heavy metal ions by the combination of kerosene and polyoxyethylene sorbitan monolaurate (Tween 20) in hydrogel components, greatly enhancing treatment efficiency. We believe the method described herein to rapidly construct functional hydrogels with the ability to remove heavy metal ions may find unique applications in emergency processing of water pollution.

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Section: Resultsmentioning

confidence: 97%

Facile synthesis of poly(DMC‐co‐HPA) hydrogels via infrared laser ignited frontal polymerization and their adsorption–desorption switching performance

Yang

Wang

et al. 2015

J. Polym. Sci. Part A: Polym. Chem.

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“…The higher purity of the bleached cotton fabric, as most of the impurities, including waxes, had been removed during scouring and bleaching, was the main cause of the obtained structure. The increase in surface oxygen content through surface oxidation by the CO 2 laser, the formation of more polar groups on the laser‐irradiated textiles, resulting in a higher attraction force between the modified surface and polar water molecules, the decrease in carbon and increase in oxygen concentration in laser‐treated textiles, confirmed by X‐ray photoelectron spectroscopy (VG Microtech ESCA2000, UK), as a result of the reaction of the laser‐irradiated surface with atmospheric oxygen and thermal oxidation at the fibre surface, are the main reasons for the higher wettability on textiles after CO 2 laser treatment that have been proposed by former researchers .…”

Section: Resultsmentioning

confidence: 99%

“…The laser‐induced sponge‐like structure on the fibre surface was claimed to be durable after desizing, scouring, and bleaching treatments . An improvement in the wicking property of cotton fabrics irradiated by CO 2 laser was also reported by the same researchers .…”

Section: Introductionmentioning

confidence: 99%

CO₂ laser irradiation of raw and bleached cotton fabrics, with focus on water and dye absorbency

Montazer

Chizarifard²,

Harifi

2013

Coloration Technology

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In this research, the effect of carbon dioxide laser irradiation on various properties of raw and bleached cotton fabrics, including fabric weight, bending rigidity, wetting, and air permeability, as well as dyeing, was examined and compared. The experiments were carried out at three different laser powers ranging from 4.5 to 6 W to determine the effect of laser treatment on fabric properties. In particular, the influence of laser irradiation on the dyeing properties of treated fabrics with CI Reactive Blue 198 was studied. The colour change of laser‐treated fabrics was determined by calculation of the K/S values as a function of fabric reflectance. The morphological changes in laser‐treated fabrics were observed by scanning electron microscopy. The effects of laser treatment on the properties of raw and bleached cotton fabrics were varied. For instance, the wettability of raw cotton samples was reduced after laser irradiation, whereas the wettability of bleached cotton fabrics was greater. Possible reasons for the various dyeing behaviours observed with irradiation at different laser powers are discussed.

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“…It is easy to apply and control, and is totally environmentally clean with no consumption of water and chemicals. [10][11][12][13][14]…”

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confidence: 99%

Microscopic study of the surface morphology of CO₂ laser-treated cotton and cotton/polyester blended fabric

Hung

Chan

Kan

et al. 2016

Textile Research Journal

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This paper presents how the morphology of fibers is affected by CO2 laser treatment. The change in morphology of fibers induced by a laser affects the physical and mechanical properties of the fabric, such as water absorption, dye uptake, resistance to wrinkles and adhesion to other materials, etc. The morphology of laser-treated fibers was analyzed by scanning electron microscopy (SEM). Samples of cotton twill fabric, cotton/polyester blended twill fabric and cotton knitted fabrics with different yarn counts were studied before and after laser treatment. SEM images reveal different sizes of pores and cracks on the surface of cotton fibers. In the case of cotton/polyester blended twill fabric, the two types of fibers responded differently to laser treatment; the change in cotton fibers was slightly different from the SEM images of 100% cotton twill fabric. The number of pores and cracks on the fiber surface of cotton/polyester fabric was lower than that found in 100% cotton twill fabric. Polyester fibers melt and flow while cotton fibers are encased in resolidified polyester. For 100% cotton knitted fabrics, the thickest yarn with the lowest yarn twist exhibited the largest change when compared with fabrics knitted with lower yarn counts. The degree of change of fiber surface modification was enhanced with an increase of laser processing variables.

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Effect of CO2 laser treatment on cotton surface

Cited by 22 publications

References 24 publications

Facile synthesis of poly(DMC‐co‐HPA) hydrogels via infrared laser ignited frontal polymerization and their adsorption–desorption switching performance

Facile synthesis of poly(DMC‐co‐HPA) hydrogels via infrared laser ignited frontal polymerization and their adsorption–desorption switching performance

CO₂ laser irradiation of raw and bleached cotton fabrics, with focus on water and dye absorbency

Microscopic study of the surface morphology of CO₂ laser-treated cotton and cotton/polyester blended fabric

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Effect of CO2 laser treatment on cotton surface

Cited by 22 publications

References 24 publications

Facile synthesis of poly(DMC‐co‐HPA) hydrogels via infrared laser ignited frontal polymerization and their adsorption–desorption switching performance

Facile synthesis of poly(DMC‐co‐HPA) hydrogels via infrared laser ignited frontal polymerization and their adsorption–desorption switching performance

CO2 laser irradiation of raw and bleached cotton fabrics, with focus on water and dye absorbency

Microscopic study of the surface morphology of CO2 laser-treated cotton and cotton/polyester blended fabric

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Product

Resources

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CO₂ laser irradiation of raw and bleached cotton fabrics, with focus on water and dye absorbency

Microscopic study of the surface morphology of CO₂ laser-treated cotton and cotton/polyester blended fabric