#6: Research Iniatives- Rayon - Eva Serrato


 Blog 6: Research Initiatives

INT 323
Eva Serrato

Making Rayon Fiber:

In this video they conduct an experiment where they make rayon fibers or artificial silk. The materials they need for this experiment are a basic copper carbonate, baking soda, and ammonia. First they take the copper carbonate and put it into a glass then they take the ammonia solution can combine them. This changes the color from a greenish tint to a bright blue color. 

Copper Carbonate

Next, they take a combination of cotton and wool and add it into the copper complex. Once the wool and cotton are combined the copper complex becomes thicker. Then they take a syringe and put the copper complex in the syringe and squirt it into water to make a string-like fiber in the water. Once the fiber changes color then the fiber is taken out and cleaned in water. 

Cotton Testing

The process of cotton testing first starts when bags of cotton are brought to the facility from different cotton gins all around America. The cotton is then put into bins and are tested for their consistency and checked if they are conditioned to withstand the testing. The cotton is sectioned into little bunches with bar codes, and they are tested to see how much resistance there is in that bunch of cotton for the air to go around it. 
Bar Codes to trace cotton

Once the cotton passes the test it shoots back out and it placed with the same bar code, so it is traceable. To test the elasticity of the cotton, the cotton is brushed out and then put in a machine that grabs one end of the fibers and pull to see how much elasticity it has. Sometimes the fibers will break right in half and other will not. One important fact to note is that depending on the year and how the cotton will grow, these tests can have different outcomes year to year. 

 https://www.youtube.com/watch?v=f_AvqnMTJjg&feature=youtu.be





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