TABLE 2.2 Glass Transition and Melting Temperatures of Some Polymers Polymer T, (°C) T. (°C) Polyethylene Low density High density Polypropylene Poly(ethylene terephthalate) Poly(ethylene naphthalate) Polystyrene (isotactic) Poly(vinyl chloride) Poly(vinylidene chloride) Polyacrylonitrile Poly(11-aminoundecanoic acid) (nylon-11) Poly(caprolactam) (nylon-6) Poly(hexamethylene adipamide) (nylon-6,6) Poly(hexamethylene sebacamide) (nylon-6,10) -110 -90 -18 69 120 100 87 -17 104 51 47 57 40 126 62 55 150 Poly(tetrafluoroethylene) Poly(ethylene-co-vinyl alcohol) 29% Poly(ethylene-co-vinyl alcohol) 44% Polycarbonate * Ratio calculated from T and T, temperatures in Kelvin. Describe the above table in three sentences. 115 137 176 265 265 240 212 202 317 185 220 265 277 327 188 164 265 TIT: 2.38 2.24 1.76 1.57 1.37 1.38 1.34 1.86 1.56 1.41 1.54 1.49 1.59 1.50 1.38 1.33 1.16

TABLE 2.2 Glass Transition and Melting Temperatures of Some Polymers Polymer T, (°C) T. (°C) Polyethylene Low density High density Polypropylene Poly(ethylene terephthalate) Poly(ethylene naphthalate) Polystyrene (isotactic) Poly(vinyl chloride) Poly(vinylidene chloride) Polyacrylonitrile Poly(11-aminoundecanoic acid) (nylon-11) Poly(caprolactam) (nylon-6) Poly(hexamethylene adipamide) (nylon-6,6) Poly(hexamethylene sebacamide) (nylon-6,10) -110 -90 -18 69 120 100 87 -17 104 51 47 57 40 126 62 55 150 Poly(tetrafluoroethylene) Poly(ethylene-co-vinyl alcohol) 29% Poly(ethylene-co-vinyl alcohol) 44% Polycarbonate * Ratio calculated from T and T, temperatures in Kelvin. Describe the above table in three sentences. 115 137 176 265 265 240 212 202 317 185 220 265 277 327 188 164 265 TIT: 2.38 2.24 1.76 1.57 1.37 1.38 1.34 1.86 1.56 1.41 1.54 1.49 1.59 1.50 1.38 1.33 1.16

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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Solutions

Solutions can be considered as homogeneous mixtures which contain two or more than two chemical substances. The chemical substance which is the greater part is defined as solvent. And the chemical substance that is dissolved in a solvent is referred to as solute. Solution chemistry plays an important role in chemistry since it supports many commercial applications of solutions.

Question

TABLE 2.2
Glass Transition and Melting Temperatures of Some Polymers
Polymer
T, (°C)
T (°C)
T/T₂
Polyethylene
Low density
High density
Polypropylene
Poly(ethylene terephthalate)
Poly(ethylene naphthalate)
Polystyrene (isotactic)
Poly(vinyl chloride)
Poly(vinylidene chloride)
Polyacrylonitrile
-110
-90
-18
69
120
100
87
-17
104
Poly(11-aminoundecanoic acid) (nylon-11)
Poly(caprolactam) (nylon-6)
Poly(hexamethylene adipamide) (nylon-6,6)
Poly(hexamethylene sebacamide) (nylon-6,10)
Poly(tetrafluoroethylene)
Poly(ethylene-co-vinyl alcohol) 29%
Poly(ethylene-co-vinyl alcohol) 44%
Polycarbonate
* Ratio calculated from T, and T, temperatures in Kelvin.
51
47
57
40
126
62
55
150
Describe the above table in three sentences.
115
137
176
265
265
240
212
202
317
185
220
265
277
327
188
164
265
2.38
2.24
1.76
1.57
1.37
1.38
1.34
1.86
1.56
1.41
1.54
1.49
1.59
1.50
1.38
1.33
1.16

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