Silky coating

Published: Friday 31 May 1996

Japanese scientists have devised a novel way to process silk yarn into a fine powder. Raw silk is first boiled in an alkali solution of sodium carbonate to decrease its strength. The crushing is done in two stages. Preliminary crushing produces a coarse powder with particles about 20 I-t m in diameter (one m m= onemillionth of a metre). A precision crusher then cuts the particles' size to five m m. The scientists of the National Institute of Sericultural and Entomological Research of the Japanese ministry of agriculture claim that now various materials can be coated with silk.

Subscribe to Weekly Newsletter :

Comments are moderated and will be published only after the site moderator’s approval. Please use a genuine email ID and provide your name. Selected comments may also be used in the ‘Letters’ section of the Down To Earth print edition.