Processing trends of silk fibers: Silk degumming, regeneration and physical functionalization

The silk fibroin (SF) covers numerous applications in various fields. The fibroins can be extracted by multiple degumming methods. The degumming loss associated with soap, alkali, acid, enzyme and amine degumming is ∼18.73%, ∼24.32%, ∼23.21%, ∼25.7%, and ∼26.08%, respectively. Recently emerged degum...

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Bibliographic Details
Published inJournal of the Textile Institute Vol. 111; no. 12; pp. 1794 - 1810
Main Authors Rastogi, Shivani, Kandasubramanian, Balasubramanian
Format Journal Article
LanguageEnglish
Published Manchester Taylor & Francis 01.12.2020
Taylor & Francis Ltd
Subjects
carbon dioxide
Degumming
degumming loss
enzymes
fabrics
fibroins
physical functionalization
Regeneration
silk
Silk fibroin
soaps
Supercritical fluids
ultrasonic treatment
Ultraviolet radiation
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Summary:The silk fibroin (SF) covers numerous applications in various fields. The fibroins can be extracted by multiple degumming methods. The degumming loss associated with soap, alkali, acid, enzyme and amine degumming is ∼18.73%, ∼24.32%, ∼23.21%, ∼25.7%, and ∼26.08%, respectively. Recently emerged degumming methods include SAEW, microwave, CO 2 supercritical fluid and ultrasonication degumming with the loss of ∼41.24%, ∼25.7, ∼98% and ∼22%, respectively. The regenerated degummed silk fibroins can be physically functionalized via UV irradiation, plasma treatment, gas treatment, lithography and sputtering. This review describes various silk degumming techniques, SF physical functionalization, along with their impact on silk fibroin properties.
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ISSN:0040-5000
1754-2340
1754-2340
DOI:10.1080/00405000.2020.1727269