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Studies on the Influence of Grafting PET Fibres with Acrylic Acid on Molecular Orientationa_

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Abstract:

The molecular orientation of dye introduced into a fibre was characterised numerically by the coefficient of molecular orientation fD. Lowering its value was the result of decreasing molecular orientation in non-crystal areas of the grafted PET fibre.The fD index was influenced by the following grafting reaction parameters: time of modification reaction,temperature and concentration of acrylic acid in the bath.

Tags: polyester fibres,grafting,molecular orientation,molecular orientation coefficient.

Published in issue no 5 (70) / 2008, pages 108–111.

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