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Engineering
1 of 18
Dr. Farhan Saeed
 1820- 1st rubber factory by Thomas Hancock  1823-impermeable coats by Charles Macintosh  1832-the Roxbury India Rubber Factory  Charles Goodyear ◦ 1839-vulcanisation ◦ 1843-patent filing ◦ June 1844-patent date Hevea brasiliensis treeCollection of rubber latexTapping of trees
 Latex  Natural rubber  Synthetic rubbers ◦ SBR Styrene butadiene rubber ◦ BR Polybutadiene rubber ◦ CR Polychloroprene rubber ◦ IR Polyisoprene rubber ◦ IIR Isoprene Isobutylene rubber ◦ EPDM Ethylene propylene diene rubber ◦ NBR Acrylonitrile butadiene rubber
 Solution polymerization  Emulsion polymerization  Hot polymerization  Cold polymerization  Oil extended  Non-oil extended Styrene contents
 Fillers  Curing agents  Accelerators  Activators  Antidegradants  Processing aids  Blowing agents  Retarders  Colourants
rubber industries
rubber industries
rubber industries
rubber industries
rubber industries

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rubber industries

  • 2.  1820- 1st rubber factory by Thomas Hancock  1823-impermeable coats by Charles Macintosh  1832-the Roxbury India Rubber Factory  Charles Goodyear ◦ 1839-vulcanisation ◦ 1843-patent filing ◦ June 1844-patent date Hevea brasiliensis treeCollection of rubber latexTapping of trees
  • 3.
  • 4.
  • 5.
  • 6.  Latex  Natural rubber  Synthetic rubbers ◦ SBR Styrene butadiene rubber ◦ BR Polybutadiene rubber ◦ CR Polychloroprene rubber ◦ IR Polyisoprene rubber ◦ IIR Isoprene Isobutylene rubber ◦ EPDM Ethylene propylene diene rubber ◦ NBR Acrylonitrile butadiene rubber
  • 7.
  • 8.
  • 9.
  • 10.  Solution polymerization  Emulsion polymerization  Hot polymerization  Cold polymerization  Oil extended  Non-oil extended Styrene contents
  • 11.
  • 12.
  • 13.  Fillers  Curing agents  Accelerators  Activators  Antidegradants  Processing aids  Blowing agents  Retarders  Colourants