Explain why there is a difference in glass transition temperature between the followingpairs of structurally similar polymers:(a) Polyethylene (Tg = -120°C) and polypropylene ((Tg = -20°C)(b) Poly(methyl acrylate) (Tg = 10°C) and poly(vinyl acetate) (Tg = 32°C)(c) Poly(but-1-ene) (Tg = -24°C) and polyisobutylene (Tg = -73°C)(d) Poly(ethylene oxide) (Tg = -41°C) and poly(vinyl alcohol) (Tg = 85°C)(e) Poly(ethyl acrylate) (Tg = -24°C) and poly(methyl methacrylate) (Tg = 105°C)%3D%3!

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Explain why there is a difference in glass transition temperature between the following pairs of structurally similar polymers: (a) Polyethylene (Tg = -120°C) and polypropylene (Tg = -20°C)

Chemistry

10th Edition

ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter1: Chemical Foundations

Section: Chapter Questions

Problem 1RQ: Define and explain the differences between the following terms. a. law and theory b. theory and...

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Question

Explain why there is a difference in glass transition temperature between the following
pairs of structurally similar polymers:
(a) Polyethylene (Tg = -120°C) and polypropylene ((Tg = -20°C)
(b) Poly(methyl acrylate) (Tg = 10°C) and poly(vinyl acetate) (Tg = 32°C)
(c) Poly(but-1-ene) (Tg = -24°C) and polyisobutylene (Tg = -73°C)
(d) Poly(ethylene oxide) (Tg = -41°C) and poly(vinyl alcohol) (Tg = 85°C)
(e) Poly(ethyl acrylate) (Tg = -24°C) and poly(methyl methacrylate) (Tg = 105°C)
%3D
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