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tentang ion dan koordinasi polimer
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by: Budiman Anwar
IONIC & COORDINATION POLYMERIZATION
ANIONIC POLYMERIZATION
Monomer Requirements
INITIATORS
MECHANISM & KINETICS
“LIVING” POLYMERS
The “Living” Polymers can be “killed” by addition of a termination agent, for example, water, at the end of the reaction.
CATIONIC POLYMERIZATION
INITIATORS
MECHANISM Initiation:
A + RH ⇄ H+AR (K, A=katalis; RH=kokatalis)H+AR + M HM+ + RA (ki)
Propagation:HM+AR + M HM2
+ + RA (kp) ….
HMn+AR + M HMn+1
+ + RA (kp) Transfer:
HMx+AR + M Mx + HM+AR (ktr)
TerminationHMn
+AR Mn + H+AR (kt)
KINETICS
COORDINATION POLYMERIZATION
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