Steve,
> -----Original Message----- > From: majordomo-owner@]On Behalf Of Steven Murphy > > vinyl polymers (polyethylene, polypropylene, polyvinyl > chloride) are named for the monomers they are made > from, -ene denoting a double bond. During the > polymerization process the double bond is opened to > make the linkage between monomers. Thus in vinyl > polymers there are only single carbon-carbon bonds. > To actually get a polymer with some double bonds in > the backbone you either have to start with a monomer > containing a triple bond (also known as an allkyne or > acetylene). Ring Opening Metathesis Polymerization > (ROMP) actually resulted from trying experimental > catalysts made for olefin polymerization (for which > they worked but not as well as known catalysts, > usually) on unlikely ring structures containing a > double bond, making unique polymers with double bonds > in the backbone I started college as a science major with a fascination about Boi-Chemistry. At the end of the first semester, The Department head told me to switch majors or I would flunk out !! Now I remember why !!! > Jerry Goldsmith Altamonte Springs, Fl. --- Outgoing mail is certified Virus Free. Checked by AVG anti-virus system (http://www.grisoft.com). Version: 6.0.314 / Virus Database: 175 - Release Date: 1/11/2002
