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Pakistan Journal of Biological Sciences

Year: 2002 | Volume: 5 | Issue: 7 | Page No.: 812-818
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Authors

Zakaria Ahmed

Firoza Akhter

M. Ashraf Hussain

Md. Shamsul Haque

M.M. Alamgir Sayeed

M.A. Quashem

Keywords

A pectinolytic fungus identified as Aspergillus niger was isolated from jute softening bin of a jute mill. Enzyme treated low-grade jute could be blended in higher amounts with superior quality jute without any adverse effect on the blended product. Polyester resin forms an intimate bond with jute fibres up to a maximum fibre : resin ratio (v/v) of 60:40. Significant improvement in mechanical properties of jute fibre composites was observed by incorporation of polyesteramide polyol. Hybrid laminates (10-ply) containing 8 inner plies of untreated/silane/titanate/TDI treated jute fibre sandwiched between two outer plies of glass fibre (weight content of jute : 25-27%) are made. Although there exists a good potential of jute-glass hybrid composites. Whereas, for resin with jute, the ratio maintained is 3.5-4:1. The preferred natural fibre is jute in the form of needled jute felt. An acidic xylan from 4% alkali soluble fraction of unretted jute bark (a hybrid derivative from intervarietal cross of Corchorus capsularis and capsularis blue seeded). Dioxane acidolysis lignin of jute stick was isolated. Jute seed cake, was low in protein and high in lysine, isoleucine and fibre content. Qualitative improvement of low grade jute and jute cuttings using a crude enzyme preparation from A. niger. Induced changes in the genetic architecture of some macro mutants of jute.
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