sph_608_lecture2_polymers.pdf - UNIVERSITY OF NAIROBI...

This preview shows page 1 - 4 out of 11 pages.

Page 1 UNIVERSITY OF NAIROBI Lecture 2 Polymers Bonding & Structure Properties & Applications UNIVERSITY OF NAIROBI Polymers Are Organic compounds consisting of giant molecules with the backbone of carbon " poly “ means " many ” and “ mer ” means " parts Polymers are composed of many repeated units called monomers -C-C-C-C-C- TWO types of polymers - Synthetic & Natural 4/6/2017 3:56 PM FWN_UoN 2 Monomer
Image of page 1

Subscribe to view the full document.

Page 2 UNIVERSITY OF NAIROBI Natural polymers Are derived from plants and animals and are fundamental to biological function e.g. Polysaccharides, wood, cotton, leather, silk, DNA, etc DNA double Helix biopolymer UNIVERSITY OF NAIROBI Sugar Proteins Starch Cotton Cotton contains Cellulose. Cellulose is a primary constituent of wood and paper.
Image of page 2
Page 3 UNIVERSITY OF NAIROBI Synthetic Polymers Plastics - PVC, Polyethylene, Polyester, Rubber, Nylon 4/6/2017 3:56 PM FWN_UoN 5 PVC Polyester in fabrics UNIVERSITY OF NAIROBI Polymer Families Generally, polymers may be represented in the form Replacing R with H gives simple hydrocarbons i.e., the paraffin family ( C n H 2n+2 ) e.g Methane (CH 4 ), Replacing H with
Image of page 3

Subscribe to view the full document.

Image of page 4
  • Fall '14
  • Polymer, University of Nairobi, C-C-C