for each of the following pairs of polymers, do the following: state whether it is possible to determine whether one polymer is more likely to crystallize than the other
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To determine the likelihood of crystallization, we need to consider factors such as molecular weight, chain flexibility, degree of branching, and the presence of functional groups. Show more…
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For each of the following pairs of polymers, do the following: (1) state whether or not it is possible to determine whether one polymer is more likely to crystallize than the other; (2) if it is possible, note which is the more likely and then cite reason(s) for your choice; and (3) if it is not possible to decide, then state why. (a) Linear and atactic poly(vinyl chloride); linear and isotactic polypropylene. (b) Linear and syndiotactic polypropylene; crosslinked cis-isoprene. (c) Network phenol-formaldehyde; linear and isotactic polystyrene. (d) Block poly(acrylonitrile-isoprene) copolymer; graft poly(chloroprene-isobutylene) copolymer.
For each of the following pairs of polymers, do the following: (1) State whether it is possible to determine whether one polymer is more likely to crystallize than the other; (2) if it is possible, note which is the more likely and then cite reason(s) for your choice; and (3) if it is not possible to decide, then state why. (a) Linear and atactic poly(vinyl chloride); linear and isotactic polypropylene (b) Linear and syndiotactic polypropylene; crosslinked cis-polyisoprene (c) Network phenol-formaldehyde; linear and isotactic polystyrene (d) Block poly(acrylonitrile-isoprene) copolymer; graft poly(chloroprene-isobutylene) copolymer
Problem 05: For each of the following pairs of polymers, do the following: (1) State whether it is possible to determine whether one polymer is more likely to crystallize than the other; (2) if it is possible, note which is the more likely and then cite reason(s) for your choice; and (3) if it is not possible to decide, then state why: (a) Linear and atactic poly(vinyl chloride); linear and isotactic polypropylene (b) Linear and syndiotactic polypropylene; crosslinked cis-polyisoprene (c) Network phenol-formaldehyde: linear and isotactic polystyrene (d) Block poly(acrylonitrile-isoprene) copolymer; graft poly(chloroprene-isobutylene) copolymer
Jital V.
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