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4. THE POOR ACCESSIBILITY OF VINYLON FIBERS (4)

Author

Jiro Takahashi and Rihei Tanaka

Subjects
Aqueous solution, organic chemicals, technology, industry, and agriculture, Naphthol AS, Alcohol, macromolecular substances, General Medicine, chemistry.chemical_compound, fluids and secretions, chemistry, Chemical engineering, parasitic diseases, Polymer chemistry, Fiber, Spinning
Abstract

When the spinning solution of polyvinyl-alcohol was dyed with ice colors, the concentration higher than 1.5% of the Naphthol AS was found to coagulate the polyvinyl-alcohol solution. The developing was carried out in the alcohol bath since polyvinyl-alcohol fiber is dissolved in the aqueous bath. In this case 70% alcohol bath was advisable.

Published
1954
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