To produce very light weight textile materials

Silk - Most Lustrous Natural filament

GMT 16:55 2015 Saturday ,29 August

Sriyadithatextile - Silk - Most Lustrous Natural filament

Silk - Natural Protein filament
TFA

Silk is a filament spun by the caterpillars of various butter flies. Silk is a natural protein filament. It’s filament density is 1.34 g/cm³ which make it a medium weight fiber. Very light weight silk textile materials may be manufacturing from silk filaments.

Silk is a protein fiber made by silk worms and is the only natural fiber that is a filament fiber. Originally, it was believed that an ancient Chinese princess was the first to discover the process formanufacturing silk fabric from the filament fiber produced by silk worms. Even though this was considered to be a legend, the first country to manufacture silk fabric was China. According to Kadolph, Langford, Hollen, and Saddler (1993), China was the only country producing silk for approximately 3,000 years before spreading to other Asian countries. Japan is currently manufacturing more silk than any other country in the world.

Silk has set the standard in luxury fabrics for several millennia. The origins of silk date back to Ancient China. Legend has it that a Chinese princess was sipping tea in her garden when a cocoon fell into her cup, and the hot tea loosened the long strand of silk. Ancient literature, however, attributes the popularization of silk to the Chinese Empress Si-Ling, to around 2600 B.C. Called the Goddess of the Silkworm, Si-Ling apparently raised silkworms and designed a loom for making silk fabrics.

The manufacturing steps of silk are ,

  1. Sericulture
  2. Sorting cocoons
  3. Softening the sericine
  4. Reeling
  5. Throwing

1) Sericulture :
Sericulture the care & nurture of the silk caterpillar is a tedious pain streaking business. The worm cultivation is called sericulture . The process starts with silk mouth , which less eggs on specially prepared paper .

2) Softening Cocoons :

The cocoons are shorted according to colore , shape & texture .

3) Softening The sericine :
When the silk warm is grown it spins a double strand of silk fibers surrounded by water soluble substance is called sericine .

4) Reeling :
The process by which filament is taken up from the cocoons is called reeling . The diameter of the filament is so little that if it is reeled , its commercial value will be decrease . Moreover double filament is too delicate to handle alone .

5) Throwing :
The production of yarn from reeled silk know as throwing consists adding twist or of doubling further twisting these strands into the desired size . When tow or three of silk multifilament are twisted together to from heavier threads , this process is called throwing . 

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