Formulate a detailed reaction pathway for the preparation of linear, isotactic polypropylene by metallocene polymerization methods
Formulate a detailed reaction pathway for the preparation of linear, isotactic polypropylene by metallocene polymerization methods
formulate detailed reaction pathways for the preparation of the following polymers a) w-carboxyl functionalised polystyrene by anionic polymerisation methods b) polystyrene by cationic polymerisation methods c) polysulfone by step growth polymerisation methods
Isotactic Polypropylene (C3H6 MW=42g/mol), a thermo plastic is synthesized using bulk polymerization. For a monodisperse sample (PDI=1) the bigger molecule(higher degree of polymerization) contain the same total mass of the polymer sample than the smaller molecules(lower degree of polymerization). For a polydisperse sample the MW fractions do not contain the same mass. Flexlife is the capability of polymeric material to withstand repeated bending without fracture. The Z average MW (Mz) is a measure of flexlofe as well as the predominance...
(21) 3. Consider the Ring Opening Metathesis Polymerization method: the initiating system in ring opening metathesis polymerization reactions. ring opening metathesis polymerization reactions. (C) Formulate a detailed mechanism for the ring opening metathesis polymerization reaction. (d) What is the major polymer product formed in the reaction of cyclopentene with the WCI/AIEt catalyst system? (e) Formulate a detailed reaction pathway for the reaction of cyclopentene with MoCls/AlEts catalyst system and draw the structure of the polymer product. (1) What is the...
Please provide a detailed mechanism of initial steps of polymerization reaction between adipoyl chlorideand 1,6-hexanediamine (up to trimer formation). Please include arrows, electron flow and lone pairs.
Propose a detailed, step-by-step mechanism for the reaction pathway shown below: I have the answer, but I do not understand as to the reasoning behind this. Since when can you break a single bond to form the large ring? A better explanation would be helpful. Thank you! CH2OH H2SO4 heat 17) OH2 OH H 1,2-shift 18) CH2OH H2SO4 heat 17) OH2 OH H 1,2-shift 18)