Which of the following polymers is produced by step-growth polymerization? А. В. С. D. -[CH2-CH(CH3)]-n -[CH,-CH, -(CH,-CH'n COOCH, -[O(CH,),-C-1"n n
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- Expalin that- A tri-bi functional monomer system gels at about 83% conversion during polymerization.A synthetic polymer was produced via addition polymerization to a degree of polymerization of 925 and an average molecular weight of 40,700 g/mol. Of those listed below, which is most likely that polymer? Explain and supportPolymerization of 1 3 -hexadiene can yield in either cis (Z) or trans (E) polymer.on the other hand the polymerization of 1 4 -hexadiene will not have any isomer.Why?
- Explain why acrylonitrile (CH2 = CHCN) undergoes cationic polymerization more slowly than but-3-enenitrile (CH2 = CHCH2CN).Explain why a random copolymer is obtained when 3,3-dimethyl-1-butene undergoes cationic polymerization.In a non-acid catalyzed step-growth polymerization between A-A and B-B monomers, the A groups are titratable by aqueous base (1 N) and [A-A] [B-B) = 6 mol.kg-1. a) What is the DP if it takes 100 mL of base to neutralize the reaction mixture at 700 minutes of reaction time (assuming the initial total weight 500 g)?...
- Although styrene undergoes both cationic and anionic polymerization equally well, one method is often preferred with substituted styrenes.Which method is preferred with each compound? Explain.Although styrene undergoes both cationic and anionic polymerization equally well, one method is often preferred with substituted styrenes. Which method is preferred with each compound? Explain.An alternating copolymer is known to have a number-average molecular weight of 100,000 g/mol and a degree of polymerization of 2210. If one of the repeat units is ethylene, which of styrene, propylene, tetrafluoroethylene, and vinyl chloride is the other repeat unit? Why?
- 2 Propose preparative routes to the following polymers or prepolymers from monomers. Give monomer structure and, if you think important, monomer ratios, catalysts, temperatures, etc.a copolymer is made up of 40.01% polystyrene 20.38% acrylonyl and 31.51% polybutadiene a) Calculate the Molar Fraction b) the Degree of Polymerization if there is a weight of 320, 000 gr of copolymer c) carry out the polymerization reaction d) What is the name of this polymer and e) Mention some applications of some monomerExplain with more details, how you can prepare poly(propylene oxide) by using Anionic and Cationic polymerizations?