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Question:

Quick question: Does bleach un-dye polyester?

Right so I‘m doing an xtra cred. assignment for class involving bleaches and different types of cloth. I have all my necessary cloths, save for anything polyester - I have absolutely nothing polyester within my house.SO - do you guys have any idea if say, a brown polyester piece will lose it‘s dye/disenegrate/have any abnormal happenings under a submersion of bleach? Also, to what effect and how much - is the effect dramatic or subtle?THIS IS DUE MONDAY - so all help appreciated doods

Answer:

Bleach is a chemical compound derived from natural sources used to whiten fabrics. Bleach works by the process of oxidation, or the alteration of a compound by the introduction of oxygen molecules. A stain is essentially a chemical compound, and the addition of bleach breaks down the molecules into smaller elements so that it separates from the fabric. Detergent and the agitation of the washing machine speed up the cleaning process. The disinfecting properties of bleach work in the same manner—germs are broken down and rendered harmless by the introduction of oxygen. In industry, different forms of bleach are used to whiten materials such as paper and wood, though most bleach is used to launder textilesPOLYESTER is a strong fiber that is resistant to crease and thus keeps it shape. Polyester melts at medium to high temperatures. Although many people dislike polyester, perhaps do to the double knit fad of the 1950, polyester remains a versatile and important man-made fabric. Blends of polyester give cotton a permanent press property and extend the wear of these blended garments. Polyester is manufactured in many weights including fiber-fill used in pillows and upholstery. Threads spun from polyester fibers are strong, wear exceptionally well, and are used extensively in home sewing and manufactured sewing.Manufactured Fabrics are usually made of filaments extruded as liquid and formed into various fibers. Because the fiber starts as a liquid, many of the fibers are colored before they become filament, thus they are difficult to dye after the fiber is woven into a fabric.
Bleaching Polyester Fabric
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Polyester is a plastic-type substance that is fairly resistant to dye and bleach. If you submerged a piece of polyester in bleach I highly doubt it would change color. Go to the thrift store and buy some polyester if you need concrete proof.

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