Zobrazeno 1 - 10
of 169
pro vyhledávání: '"D. P. Chattopadhyay"'
Autor:
Dharmisth Surati, D. P. Chattopadhyay
Publikováno v:
Journal of The Institution of Engineers (India): Series E. 101:175-184
In this study, cotton fabrics were chemically attached with nano-chitosan using cyanuric chloride as an anchor in order to enhance its dyeability towards direct dyes and its bacterial resistance. Low molecular weight chitosans were synthesized by hyd
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ff6ae1e3d56e5592d0ff8cd536f78bf8
https://doi.org/10.1007/s40034-020-00171-4
https://doi.org/10.1007/s40034-020-00171-4
Autor:
D. P. Chattopadhyay, Sukhraj Kaur, Nyegue Maximilienne Ascension, Alvine Sandrine Ndinchout, Varinder Kaur, Moundipa Fewou Paul
Publikováno v:
Journal of Applied and Natural Science. 11:205-210
The dyeing of wool fabric using a natural dye extracted from Dacryodes macrophylla has been studied using both conventional as well as ultrasonic dyeing methods. Natural dye was extracted using water as solvent by Soxhlet extraction method. The extra
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::a6226de40a7f99af7503181c90bc6fb3
https://doi.org/10.31018/jans.v11i1.1993
https://doi.org/10.31018/jans.v11i1.1993
Autor:
D. P. Chattopadhyay, Milind S. Inamdar
Publikováno v:
International Journal of Polymer Science, Vol 2010 (2010)
Chitosan, a versatile biopolymer, finds numerous applications in textile processing unit operations such as preparation, dyeing, printing, and finishing. However, the accessibility of this biopolymer by the textile material depends on the viscosity o
Externí odkaz:
https://doaj.org/article/cc2c3794e31146dba3c642a57e388038
Autor:
Keval Umrigar, D. P. Chattopadhyay
Publikováno v:
Journal of The Institution of Engineers (India): Series E. 98:103-120
The possibility of use of waste cotton linters as oil sorbents by chemical modification such as acetylation and cyanoethylation was studied. The acetylation process was carried out in presence of acetic anhydride using either H2SO4 or HClO4 as cataly
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::981f7c2f22ddc51c1b72da06696e6c24
https://doi.org/10.1007/s40034-017-0107-y
https://doi.org/10.1007/s40034-017-0107-y
Autor:
D. P. Chattopadhyay, Varinder Kaur
Publikováno v:
Handbook of Composites from Renewable Materials
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::37a330f8ab06084924327ef38f11461f
https://doi.org/10.1002/9781119441632.ch64
https://doi.org/10.1002/9781119441632.ch64
For making use of the natural biomass, the textile features of the bamboo fibres were optimized. Since lignin content of the fibres is responsible for its textile properties, the alkali-treated bamboo fibres were bleached with peracetic acid that res
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::5d6f234be10e819d7c42c0959991e16b
Autor:
Milind S. Inamdar, D. P. Chattopadhyay
Publikováno v:
Journal of Natural Fibers. 12:341-356
In this paper, synthesis of N,N,N-Trimethyl chitosan chloride (TMCHT) and its effect on the properties of cotton fabric is reported. TMCHT of varying degree of quaternization (DQ) namely 13.41, 22.03, and 50.92% were synthesized by reaction of chitos
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f3f3dc1a83616eb4db761bdd3d77bc3e
https://doi.org/10.1080/15440478.2014.929554
https://doi.org/10.1080/15440478.2014.929554
Autor:
D. P. Chattopadhyay, B. H. Patel
Publikováno v:
Journal of Natural Fibers. 8:39-47
In this work, zinc nanoparticles were prepared by wet chemical method. The particles were examined by particle size analyzer, their morphology and micro structure were observed and elementally detected through scanning electron microphotography. Anti
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ab3ad1445f7d19de7bea8afe32205a48
https://doi.org/10.1080/15440478.2010.550769
https://doi.org/10.1080/15440478.2010.550769
Autor:
Milind S. Inamdar, D. P. Chattopadhyay
Publikováno v:
International Journal of Polymer Science, Vol 2010 (2010)
Chitosan, a versatile biopolymer, finds numerous applications in textile processing unit operations such as preparation, dyeing, printing, and finishing. However, the accessibility of this biopolymer by the textile material depends on the viscosity o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3bd6d92df784f3313e9bc635f138e921
https://doi.org/10.1155/2010/939536
https://doi.org/10.1155/2010/939536
Autor:
D. P. Chattopadhyay
Publikováno v:
Coloration Technology. 125:262-268
The effect of alkaline pretreatment with sodium hydroxide and sodium zincate on the dyeability of viscose has been studied. Both agents could enhance the dye accessibility to viscose, but sodium hydroxide was found to be more effective compared with
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::662fdba719dfda8e29c5c67e4d082c7b
https://doi.org/10.1111/j.1478-4408.2009.00205.x
https://doi.org/10.1111/j.1478-4408.2009.00205.x