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Saxena, S.
- Effect of Helium-oxygen Plasma Treatment on Physical and Chemical Properties of Cotton Textile
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Authors
Kartick K. Samanta
,
T. N. Gayatri
1,
A. H. Shaikh
1,
S. Saxena
1,
A. Arputharaj
1,
S. Basak
1,
S. K. Chattopadhyay
1
Affiliations
1 ICAR-Central Institute for Research on Cotton Technology, Adenwala Road, Matunga, Mumbai - 400019, IN
1 ICAR-Central Institute for Research on Cotton Technology, Adenwala Road, Matunga, Mumbai - 400019, IN
Source
International Journal of Bioresource Science, Vol 1, No 1 (2014), Pagination: 57-63Abstract
Plasma, an ionized gas composed of ions, electrons, photos, UV radiation and neutral active species, can be used for nano-scale surface modification of textile substrates without using water. Among the various types of plasma, only atmospheric pressure cold plasma (non-thermal plasma) is suitable for surface modification of heat sensitive textile substrates in a continuous manner. Atmospheric pressure cold plasma was generated in the presence of helium-oxygen (He/O2) mixture and cotton fabric was plasma treated for 30 s to 4 min. Upon ionization, helium (He) emits photons at wavelengths of 706 nm, 667 nm, 587 nm, 727.5 nm and oxygen at 776 nm and 844 nm. After plasma treatment, cotton became more hydrophilic due to generation of hydrophilic groups resulting better water wicking. Plasma treatment increases the surface crystalline index (CI) from 1.09 in the untreated sample to 1.65 in the 2 min He/O2 plasma treated sample. Scanning electron microscope (SEM) images showed etching of fibre surfaces. In the 2 min and 4 min He/O2 plasma treated samples, there was an improvement in colour value in terms of K/S, a and c. Surface crystalline index (CI), numbers of hydroxyl and carbonyl groups play an important role in colouration of cellulosic textile using reactive dye.Keywords
Plasma, Cotton, Textile, Colouration, Water Pollution- Clinical Study of Ulcerative Colitis
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Authors
Affiliations
1 Affiliation not given, IN
2 Department of Pathology, G.S.V.M. Medical College, Kanpur, IN
1 Affiliation not given, IN
2 Department of Pathology, G.S.V.M. Medical College, Kanpur, IN
Source
The Indian Practitioner, Vol 27, No 2 (1974), Pagination: 79-85Abstract
Abstract not Given.Keywords
No Keywords given- Clinical Trial of "biliarin" in Liver Disorders with Special Reference to Infective Hepatitis
Abstract Views :207 |
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Authors
Affiliations
1 S. M. S. Medical College Attached Hospitals, Jaipur (Rajasthan), IN
1 S. M. S. Medical College Attached Hospitals, Jaipur (Rajasthan), IN