Following table gives example of some polymers with their melting points.GroupsPolymerMelting points, °CAPolyethylene140Polypropylene (isotactic)170Polystyrene (isotactic)240Polytetrafluoroetylene325BPoly(ethylene adipate)50Poly(butylene terephthalate)224Poli(ethylene terephthalate)265CPolypropylene (isotactic)170Poly(vinyl chloride)(syndiotactic)280Polyacrylonitrile320Explain factors that cause the difference in melting points for each group of thepolymers.

Answered: Following table gives example of some…

Chemistry: Principles and Practice

3rd Edition

ISBN:9780534420123

Author:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer

Publisher:Daniel L. Reger, Scott R. Goode, David W. Ball, Edward Mercer

Chapter22: Organic Chemistry And Biochemistry

Section: Chapter Questions

Problem 9QE

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Following table gives example of some polymers with their melting points.
Groups
Polymer
Melting points, °C
A
Polyethylene
140
Polypropylene (isotactic)
170
Polystyrene (isotactic)
240
Polytetrafluoroetylene
325
B
Poly(ethylene adipate)
50
Poly(butylene terephthalate)
224
Poli(ethylene terephthalate)
265
C
Polypropylene (isotactic)
170
Poly(vinyl chloride)(syndiotactic)
280
Polyacrylonitrile
320
Explain factors that cause the difference in melting points for each group of the
polymers.

Expert Solution

Step 1

Polymers are the repeating chains of monomer molecules. Polymers have unique properties like strength, toughness, etc. They depend on the type of bonding of the molecules and the bonding pattern. Polymers in general, bend, stretch like rubber and polyester and some are hard and tough like epoxides and glass.

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