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Articles by M. Kamal Uddin
Total Records ( 3 ) for M. Kamal Uddin
  M. Kamal Uddin , M. Ashraf Hussain , Kh. Atiar Rahman and M.M. Alamgir Sayeed
  Scoured and bleached jute fabrics (carpet backing cloth) were padded firstly with basic dyes namely Astrazon Blue B, Astrazon Brilliant Red 4G 200% , Rhodamine B, Remacryl Green 3-B and Remacryl Blue BRL and then padded with ammonium molybdate together with disodium hydrogen orthophosphate, dried and treated with hydrochloric acid. Dyeing was also carried out using the same dyestuffs by applying conventional exhaust dyeing method. Satisfactory light fastness with good penetration and bright shade was achieved by the developed method (Pad-dry).
  M.N. Islam , Mohammad Ali , M. Kamal Uddin , Khalil Ahmed and A.M. Sarwaruddin Chowdhury
  Fabrics were prepared by plain weaving with the blended yarns made of sulphonated jute fibre in different combination with cotton, rayon, acrylic, polyester and silk waste. It has been observed that the blending of the sulphonated jute fibre with cotton or any other flexible fibre improved the draping properties of the fabrics made there from and that these fabrics in actual use have gracious look and firmness almost to the same extent of those draping properties of the cotton fabrics. The dye ability of this blended fabrics was studied using a basic dye (Rhodamine-B red) and reactive dye (Procion-M red). The dye absorption of jute increases from 68 to 88% as it was sulphonated and the sulphonated jute blended fabrics took up almost the same of amount of dyes which was around 70% from both dye-bath, indicating that the accessibility of blended fabric samples to the dye molecules was practically the same. The colour shades on different fabric sample were almost similar in compare with dyed cotton fabrics. The colour fastness of the blended fabrics were also closed to the cotton fabrics.
  Nurul Islam , Mohammad Ali , M. Kamal Uddin , Khalil Ahmed and A.M. Sarwaruddin Chowdhury
  Modification of jute fibre was due to sulphonation which were improved the physico-chemical and physico-mechanical properties of jute fibre. The change in chemical composition, morphological, geometrical structure, tensile properties and stress-strain characteristics were determined at different degree of sulphonation at optimal reaction conditions. The dimensional structure and mechanical properties of sulphonated jute fiber was studied. In sulphonation no damage and disintegration of the fibre cells were noticed except swelling of the secondary wall only and the fibre tenacity was not impaired. The sulphonation treatment in the optimal condition were improved the fineness in terms of linear density and developed flexibility, softness and compressibility of jute fibre. These values were measured in order to assess the textile importance of sulphonated jute fibre compared to cotton and other textile fibres for fine spinning. The stress-strain properties of the sulphonated fiber were much improved. The breaking extension of jute fibre was increased up to 3% with the degree of sulphonation against the initial value of 1%. The evaluation of these properties was regarded very significant towards improvement of spinnable characters and other textile performances of the sulphonated jute fibre.
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