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synthetic fibres and plastics presentation
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Science Synthetic Fibres And Plastics presentation, detailed and organised study notes.
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CHAPTER 3 SYNTHETIC FIBRESAND PLASTICS
FABRICS ARE MADE OF
FIBRES.OBTAINED FROM NATURAL OR
ARTIFICIAL SOURCES.
NATURAL FIBRES ARE OBTAINED FROM
PLANTS AND ANIMALS.
jute COTTON
SYNTHETIC FIBRES ARE MADE BY
HUMAN BEINGS.THESE ARE ALSO
KNOWN AS MAN – MADE OR
NYLON POLYESTER
ARTIFICIAL FIBRES.
, WHAT IS SYNTHETIC FIBRES ?
A SYNTHETIC FIBRE IS ALSO A CHAIN OF
SMALL UNITS JOINED TOGETHER.
EACH SMALL UNIT IS ACTUALLY A CHEMICAL
SUBSTANCE.
MANY SUCH SMALL UNITS COMBINED TO
FORM A LARGE SINGLE UNNIT CALLED A
POLYMER. POLY MEANING MANY AND MER
MEANING PART OR UNIT
POLYMERS OCCURRED IN NATURE ALSO,
COTTON FOR EXAMPLE IS A POLYMER
CALLLED CELLULOSE . CELLULOSE IS MADE
UP OF A LARGE NUMBER OF GLUCOSE UNITS.
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