Properties of polyacrylonitrile fibre modified with fibroin

Babenko, G.N.; Geller, A. A.; Geller, B. E.; Zakirov, I. Z.; Ubaidullaev, B. Kh.; Yakubova, N. Ya.

doi:10.1007/bf00546013

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2003

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“…The hygroscopicity and dyeability of acrylic fibers have been improved by blending fibroin8 and collagen (5%–15%),9 polycapromide, chitin, polyvinyl acetate, and hydrolyzed acrylonitrile copolymer 10, 11…”

Section: Introductionmentioning

confidence: 99%

Effect of coagulation conditions on properties of poly(acrylonitrile-carboxylic acid) fibers

Bahrami

Bajaj²,

Sen³

2003

J. Appl. Polym. Sci.

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Acrylic fibers are among the most useful synthetic fibers for textile applications, and special acrylic fiber (SAF) has industrial applications. The physical and mechanical properties of fiber are affected by several parameters; one such parameter is coagulation conditions: bath temperature, bath composition, and drawing. Acrylonitrilecarboxylic acid copolymers, that is, acrylic methacrylic and itaconic acid, were converted into fibers using the dry-jet wet spinning technique. The coagulation bath temperature was varied from 5°C to 35°C, and the properties of the fibers so obtained were investigated. The effect of the final drawing ratios (6.5 and 8.5) on such physical and mechanical properties as tenacity, sonic modulus, initial modulus, density, crystallinity index, and X-ray orientation were also investigated. In addition, thermogravimetric analysis and scanning electron microscopy were used to determine the thermomechanical properties and fracture morphology of the fibers.

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Section: Introductionmentioning

confidence: 99%