Which one of the following compounds is used to obtain polymer teflon?
Difluoro ethane
Monofluoro ethane
Tetrafluoro ethene
None of the above
[-NH(CH2)6NHCO(CH2)4CO-]n is a
addition polymer
thermosetting polymer
homopolymer
copolymer
D.
copolymer
Copolymers are polymers in which the repeating structural units are derived from two or more monomer units.
Bakelite is the condensation polymer of
C6H5OH and caprolactum
HCHO and phthalic acid
C6H5OH and HCHO
HCHO and ethylene glycol
Bisphenol and epichlorohydrin condensed in presence of NaOH forming
Resins
Rubber
Foam
Polyester
Natural rubber is a polymer of monomer isoprene. During polymerisaton
1, 4 addition takes place
1, 2 addition takes place
1,3 addition takes place
both double bonds are converted into single bond