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Mahadevaiah B.M.,Central Silk Technological Research Institute CSTRI | Hiremath S.A.,Central Silk Technological Research Institute CSTRI | Venu S.T.,Central Silk Technological Research Institute CSTRI | Naik P.Y.,SCTH Dharmavaram andhra Pradesh
Man-Made Textiles in India | Year: 2010

The Influence of different cocoon drying condition on reeling and raw silk quality performance of Bivoltine cocoons has been studied. Study has been conducted on the green cocoon, steam stiflied cocoon one hour dried and fully dried cocoons. The cocoons' cooking has been conducted using open pan method with cocoon disc. It is observed that the reeling character like reelability (%) and cocoon character like sericin loss (%), and raw silk characteristics like cohesion, neatness have show better results in comparsion to green, steam and one hour. The result indicates that fully dried cocoons are most suitable for the production of quality as well as quantity of silk. Source


Ravikumar D.,Central Silk Technological Research Institute CSTRI | Bhat P.N.,Central Silk Technological Research Institute CSTRI | Roy S.,Central Silk Technological Research Institute CSTRI | Hipparigi S.A.,Central Silk Technological Research Institute CSTRI | Srinath K.,GSKSJT Institute
Man-Made Textiles in India | Year: 2010

The study of the natural pigmentation and its wash fastness properties of natural coloured silk involwes through investigation and quantification of fading property of Tasar, Muga & Nistari silk fabrics. The natural colouring matter of silk can therefore be roughly diwided into yellow, green and brown pigments. An effort is made to find the fading phenomena of natural colourant of Tasar, Muga & Nistari fabrics during washing is undertaken through experimentations. The washfastness of Muga and Tasar has been found to be good until 50 washes where as the fastness of Nistari silk is good till 10 washes. Source


Bhat P.N.,Central Silk Technological Research Institute CSTRI | Ravikumar D.,Central Silk Technological Research Institute CSTRI | Thimmareddy G.,Central Silk Technological Research Institute CSTRI | Roy S.,Central Silk Technological Research Institute CSTRI | Hanumanth N.H.,GSKSJT Institute
Man-Made Textiles in India | Year: 2010

Sericin is a protein material, which is adhered to the fibroin filaments while the formation of natural silk by the silk worm. The sericin content and its characteristics in natural silk varies from one variety to the other. There are four varieties of silk, either cultivated or naturally grown. They are Mulberry silk (Bombyx mori), Tasar (Antherea Mylitta), Muga and Eri. In India all the four varieties of silk are available. The sericin varies from 6-7% (muga) to 21-28% (mulberry). The sericin from mulberry cocoons were extracted using high temperature and high pressure technique. The Sericin so extracted is condensed and dried to form sericin flacks and powder for future use. The sericin is applied on to the polyester fabric in aqueous form followed by drying. The fabric then cross linked with cross linking agent and cured at 130°C, The cross linking agents used in my study are Formaldehyde, Glutaraldehyde and Modified DMDHEU. Source

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