Thermal Analysis of Polymeric Materials Part 7 doc

... illustrates the evaluation of the constant - as the slope of a plot of the square of the reciprocal of the uncorrected specific heat capacity as a function of the square of the frequency as suggested ... different value of Online elimination of the effects of asymmetry and different pan mass, as described in Appendix 11, should improve the ease of measurement. This metho...

Ngày tải lên: 11/08/2014, 06:20

... 20.0 ___________________________________________________________________ 0.1 76 .5 382.4 76 4.8 1,1 47. 2 3,824 7, 648 15,209 1.0 7. 6 38.2 76 .5 114 .7 382 76 5 1,521 10.0 0.8 3.8 7. 6 11.5 38 76 153 25.0 0.3 1.5 3.0 4.5 15 31 61 50.0 ... Kinetics ___________________________________________________________________ 2 57 Fig. 3 .77 Fig. 3 .78 3.6.3 Diffusion Control of Crystalliz...

Ngày tải lên: 11/08/2014, 06:20

... O= __________________________________________________________________ H 2 17. 9 436 413 391 463  C 71 8.4 413 348 615 812 292 615 891 351 72 8 N 472 .6 391 292 615 891 161 418 946  O 2 47. 5 463 351 72 8 139 485 F 76 .6 563 441  270 185  Si 368.4 ... increasing of the temperature. After each melting step of, let us say 0.1 K, thermal equilibrium is awaited before one...

Ngày tải lên: 11/08/2014, 06:20

... summary of 279 nematic mesophases of small molecules gave an average S i of only 2.3±1.5 J K 1 mol 1 and 188 smectic mesophases, of 11 .7 7. 8 J K 1 mol 1 , less than the positional disordering of ... number of beads. The CED is derived from the heat 5 Structure and Properties of Materials ___________________________________________________________________ 570 Fig. 5.1...

Ngày tải lên: 11/08/2014, 06:20

... 605, 606, 606, 76 9 77 1, 76 9, 77 0 broadening in block copolymers 76 9 77 1, 76 9, 77 0 broadening in polymer solutions 76 4, 76 5 by quantitative DSC 354, 355 copolymer 75 9 76 2, 75 9 76 3 76 6 76 8, 76 7, 77 2 cooperativity ... 291, 70 6, 70 6, 70 7, 70 7 fictive 391, 391, 601, 683 gas 80, 81 isotropization 176 Kauzmann 140 liquidus 290, 291, 70 6, 70 6, 70 7 melting...

Ngày tải lên: 11/08/2014, 06:20

... extended many-fold during the course of study of thermal analysis of polymeric materials. 1.2.2 Copolymers and Isomers If a linear macromolecule is made up of more than one repeating unit, one ... 561 Summary of the section on morphology 571 5.6 Melts and Glasses 5.6.1 Structure of the Amorphous Phase 572 5.6.2 Properties of the Amorphous Phase 574 5.6.3 Viscosity 575...

Ngày tải lên: 11/08/2014, 05:23

... 465–495. 27. Bu H, Shi S, Chen E, Hu H, Zhang Z, Wunderlich B (1996) Single-molecule Single Crystals of Poly(Ethylene Oxide). J Macromol Sci Phys B 35: 73 1 74 7. 2.1 Heat, Temperature, and Thermal Analysis __________________________________________________________________ 87 Fig. ... insertion of the definitions in, for example, Eq. (3). The result of the derivation of such r...

Ngày tải lên: 11/08/2014, 05:23

... Capacity __________________________________________________________________ 145 Fig. 2 .77 Fig. 2 .78 Chap. 5, it is possible to interpret the behavior of polymeric materials as is described in more detail on-hand of a larger series of examples in Chaps. 6 and 7. The understanding ... amount of ordering in the 2 Basics of Thermal Analysis _________________________________...

Ngày tải lên: 11/08/2014, 06:20

... the second edition of the encyclopedia by Bendler JT (1989) under the same title, Vol 7, p 1. For the rules of entropies of transition see: Richards JW (18 97) Chem News: 75 : 278 ; Trouton F (1884) ... schematic of the change of the rate constants of the forwardand reverse reactions based on the above equations. Because of the larger activation energy of the depolymerizatio...

Ngày tải lên: 11/08/2014, 06:20

... Okazaki I, Wunderlich B (19 97) J Thermal Analysis 49: 57 70 ; Thermochim Acta 291: 85–94; (1996) J Polymer Sci, Part B: Polymer Phys 34: 2941–2952; J Thermal Analysis 47: 1013–1026; Thermochim Acta 284: ... (1994) J Thermal Anal 42: 3 07. Sect. 4.5. Wendland WW (1986) Thermal Analysis, 3 rd ed. Wiley, New York; Gallagher PG (19 97) Chap 1 in Turi E, ed. Thermal Characteriz...

Ngày tải lên: 11/08/2014, 06:20