Rubber by Daniel Rodriguez https://padlet.com/gigatronex/726exsjb84c7 en-us 2018-02-19 16:20:15 UTC 2018-02-21 14:54:16 UTC hello@padlet.com 1. gigatronex https://padlet.com/gigatronex/726exsjb84c7/wish/232975033 The name of my compound is rubber. The compound rubber is also called India rubber or caoutchouc.]]> 2018-02-19 16:21:54 UTC https://padlet.com/gigatronex/726exsjb84c7/wish/232975033 2. gigatronex https://padlet.com/gigatronex/726exsjb84c7/wish/232975295 Rubber is a name given to a lot of different polymers that are all elastomers. That means they can be stretched out and they will return to their original shape when you let go.]]> 2018-02-19 16:22:32 UTC https://padlet.com/gigatronex/726exsjb84c7/wish/232975295 3. gigatronex https://padlet.com/gigatronex/726exsjb84c7/wish/232975676 The chemical formula for rubber is (C5H8)n.]]> 2018-02-19 16:23:28 UTC https://padlet.com/gigatronex/726exsjb84c7/wish/232975676 4. gigatronex https://padlet.com/gigatronex/726exsjb84c7/wish/232975841 2018-02-19 16:23:49 UTC https://padlet.com/gigatronex/726exsjb84c7/wish/232975841 5. gigatronex https://padlet.com/gigatronex/726exsjb84c7/wish/232976210 Rubber – being composed primarily of carbon and hydrogen atoms, the bonding is mainly covalent.]]> 2018-02-19 16:24:48 UTC https://padlet.com/gigatronex/726exsjb84c7/wish/232976210 6. gigatronex https://padlet.com/gigatronex/726exsjb84c7/wish/232976459 2018-02-19 16:25:29 UTC https://padlet.com/gigatronex/726exsjb84c7/wish/232976459 7. gigatronex https://padlet.com/gigatronex/726exsjb84c7/wish/232976550 The first use of rubber was by the indigenous cultures of Mesoamerica.]]> 2018-02-19 16:25:43 UTC https://padlet.com/gigatronex/726exsjb84c7/wish/232976550 8. gigatronex https://padlet.com/gigatronex/726exsjb84c7/wish/232976807 The earliest archeological evidence of the use of natural latex from the Hevea tree comes from the Olmec culture, in which rubber was first used for making balls for the Mesoamerican ballgame.]]> 2018-02-19 16:26:25 UTC https://padlet.com/gigatronex/726exsjb84c7/wish/232976807 9 gigatronex https://padlet.com/gigatronex/726exsjb84c7/wish/232977643 The largest consumers of rubber are tires and tubes, followed by general rubbergoods. Other significant uses of rubber are hoses, belts, matting, flooring, medical gloves and much more.]]> 2018-02-19 16:28:37 UTC https://padlet.com/gigatronex/726exsjb84c7/wish/232977643 10. gigatronex https://padlet.com/gigatronex/726exsjb84c7/wish/232978677 If you eat this compound your body will not digest it and you will need surgery to extract the peace of rubber.]]> 2018-02-19 16:31:15 UTC https://padlet.com/gigatronex/726exsjb84c7/wish/232978677 11. gigatronex https://padlet.com/gigatronex/726exsjb84c7/wish/232980760 Over 99 percent of the world's natural rubber is made from the latex that comes from a tree species called Hevea brasiliensis. Synthetic rubber, like other polymers, is made from various petroleum-based monomers.]]> 2018-02-19 16:36:31 UTC https://padlet.com/gigatronex/726exsjb84c7/wish/232980760 12. gigatronex https://padlet.com/gigatronex/726exsjb84c7/wish/232982759 Rubber melts at 180 degrees celsius.]]> 2018-02-19 16:42:18 UTC https://padlet.com/gigatronex/726exsjb84c7/wish/232982759 13. gigatronex https://padlet.com/gigatronex/726exsjb84c7/wish/232984328 Rubber boils at 300 degrees celsius.]]> 2018-02-19 16:46:40 UTC https://padlet.com/gigatronex/726exsjb84c7/wish/232984328 14. gigatronex https://padlet.com/gigatronex/726exsjb84c7/wish/232986679
  • Natural Rubber (NR) - 0.92 g/cm³
  • Styrene Butadiene Rubber (SBR) - 0.92 g/cm³
  • Butadiene Rubber - 0.92 g/cm³
  • Nitrile Butadiene Rubber (NBR) - 0.93 g/cm³ ( for low ACN content)
  • Nitrile Butadiene Rubber (NBR) - 1.01 g/cm³ ( for high ACN content)
  • Fluoro Elastomers (FKM) - 1.90 g/cm³

    • ]]>     2018-02-19 16:53:20 UTC https://padlet.com/gigatronex/726exsjb84c7/wish/232986679     15. gigatronex https://padlet.com/gigatronex/726exsjb84c7/wish/232987217
  • Abrasion resistance
  • Tear resistance
  • Compression set
  • Resilience
  • Elongation
  • Tensile modulus
  • Tensile strength
    • . 
    ]]>     2018-02-19 16:54:48 UTC https://padlet.com/gigatronex/726exsjb84c7/wish/232987217     16. gigatronex https://padlet.com/gigatronex/726exsjb84c7/wish/232988428 Rubber when in contact with an acid tends to have a chemical reaction which causes it to "melt". ]]> 2018-02-19 16:58:17 UTC https://padlet.com/gigatronex/726exsjb84c7/wish/232988428 17. gigatronex https://padlet.com/gigatronex/726exsjb84c7/wish/232988900 Binney & Smith are responsible for selling their carbon black chemicals to Goodrich Tire Company but later switched to making school products and renaming their company after their most popular product, Crayola Crayons.
    The rubber tree plant is non-toxic to both adults and kids, but not for dogs as it can be very toxic.]]>     2018-02-19 16:59:49 UTC https://padlet.com/gigatronex/726exsjb84c7/wish/232988900     gigatronex https://padlet.com/gigatronex/726exsjb84c7/wish/233761503 2018-02-21 14:46:58 UTC https://padlet.com/gigatronex/726exsjb84c7/wish/233761503 gigatronex https://padlet.com/gigatronex/726exsjb84c7/wish/233766391 2018-02-21 14:54:16 UTC https://padlet.com/gigatronex/726exsjb84c7/wish/233766391