Mechanical and Thermophysical Properties of Polymer Liquid CrystalsWitold Brostow may never overcome the effects of hysteresis and stress (see Chapters 6 and 12). The first sentence of the reference work, Handbook of Liquid Crystals, reads: The terms liquid crystals, crystalline liquid, mesophase, and mesomorphous state are used synonymously to describe a state of aggregation that exhibits a molecular order in a size range similar to that of a crystal but acts more or less as a viscous liquid: [2] In other words, molecules within a liquid crystalline phase possess some orientational order and lack positional order; furthermore, the shape of a liquid crystalline sample is determined by the vessel in which it is contained rather than by the orientational order of its aggregated molecules. The authors recognized the limitations and imprecision of this definition but, like others preceding them, could not devise a simple and generally applicable one that is better. Regardless, the terms 'liquid crystal' and 'mesophase' should not be used interchangeably. As mentioned above, all liquid crystals are mesophases, but all mesophases are not liquid crystals. Recent studies, employing elaborate and sophisticated analytical techniques, have permitted finer distinctions between classical crystals and mesophases. At the same time, they have made definitions like that from the Handbook of Liquid Crystals somewhat obsolete for reasons other than terminology. One part of the problem arises from the use of a combination of bulk properties (like flow) and microscopic properties (like molecular ordering) within the same definition. |
Contents
III | 3 |
V | 7 |
VII | 19 |
VIII | 20 |
IX | 21 |
X | 22 |
XI | 28 |
XII | 30 |
CIV | 279 |
CV | 283 |
CVI | 287 |
CVII | 293 |
CIX | 297 |
CX | 301 |
CXI | 302 |
CXIII | 306 |
XIV | 31 |
XV | 32 |
XVI | 33 |
XVIII | 34 |
XX | 35 |
XXI | 41 |
XXIII | 43 |
XXIV | 47 |
XXV | 50 |
XXVI | 58 |
XXVII | 59 |
XXIX | 61 |
XXX | 67 |
XXXI | 78 |
XXXII | 90 |
XXXIII | 92 |
XXXIV | 96 |
XXXV | 98 |
XXXVII | 101 |
XXXIX | 102 |
XL | 103 |
XLI | 105 |
XLII | 106 |
XLIII | 112 |
XLIV | 117 |
XLV | 121 |
XLVI | 122 |
XLVIII | 124 |
L | 125 |
LI | 131 |
LII | 138 |
LIII | 141 |
LV | 145 |
LVI | 147 |
LVIII | 151 |
LIX | 152 |
LX | 153 |
LXI | 154 |
LXII | 155 |
LXIII | 157 |
LXIV | 159 |
LXVI | 160 |
LXVII | 161 |
LXIX | 163 |
LXXI | 164 |
LXXII | 169 |
LXXIV | 172 |
LXXV | 174 |
LXXVI | 178 |
LXXVII | 184 |
LXXVIII | 191 |
LXXIX | 199 |
LXXX | 203 |
LXXXI | 209 |
LXXXII | 214 |
LXXXIII | 215 |
LXXXV | 216 |
LXXXVI | 218 |
LXXXVII | 223 |
LXXXIX | 224 |
XC | 228 |
XCI | 231 |
XCII | 238 |
XCIII | 247 |
XCIV | 248 |
XCV | 253 |
XCVI | 255 |
XCVII | 256 |
XCVIII | 259 |
XCIX | 267 |
C | 273 |
CI | 275 |
CII | 276 |
CIII | 278 |
CXIV | 309 |
CXV | 315 |
CXVI | 319 |
CXVII | 323 |
CXVIII | 324 |
CXIX | 325 |
CXX | 327 |
CXXI | 330 |
CXXII | 332 |
CXXIII | 336 |
CXXIV | 337 |
CXXVI | 342 |
CXXVII | 345 |
CXXVIII | 349 |
CXXIX | 350 |
CXXX | 357 |
CXXXI | 365 |
CXXXII | 369 |
CXXXIII | 370 |
CXXXIV | 371 |
CXXXV | 376 |
CXXXVI | 378 |
CXXXVII | 380 |
CXXXVIII | 384 |
CXXXIX | 389 |
CXL | 390 |
CXLI | 394 |
CXLII | 396 |
CXLIII | 399 |
CXLIV | 400 |
CXLV | 404 |
CXLVI | 407 |
CXLVIII | 408 |
CXLIX | 412 |
CL | 417 |
CLI | 420 |
CLII | 422 |
CLIII | 425 |
CLIV | 426 |
429 | |
CLVII | 431 |
CLVIII | 434 |
CLIX | 436 |
CLX | 437 |
CLXI | 438 |
CLXII | 439 |
CLXIII | 445 |
CLXIV | 446 |
CLXV | 448 |
CLXVI | 449 |
CLXVII | 450 |
CLXVIII | 453 |
CLXIX | 454 |
CLXX | 456 |
CLXXI | 460 |
CLXXII | 462 |
CLXXIII | 469 |
CLXXIV | 470 |
CLXXV | 477 |
CLXXVI | 480 |
CLXXVII | 483 |
CLXXVIII | 485 |
CLXXIX | 488 |
CLXXX | 491 |
CLXXXI | 492 |
CLXXXIV | 495 |
CLXXXV | 496 |
CLXXXVI | 498 |
CLXXXVII | 499 |
CLXXXVIII | 500 |
509 | |
511 | |
Other editions - View all
Mechanical and Thermophysical Properties of Polymer Liquid Crystals Witold Brostow Limited preview - 2013 |
Mechanical and Thermophysical Properties of Polymer Liquid Crystals Witold Brostow No preview available - 2014 |
Mechanical and Thermophysical Properties of Polymer Liquid Crystals Witold Brostow No preview available - 2013 |
Common terms and phrases
acid alignment amorphous anisotropic annealing axial band structures behavior biphase birefringence blends bonds borazine Brostow Chem complex components composites concentration copolyester copolymer Cryst crystalline phase curves decrease dependence domains draw ratio effect elastic equation fibers fibrils flexible flow glass transition glass transition temperature groups higher increase injection molded interactions isotropic layer liquid crystalline longitudinal PLCs lyotropic m-cresol Macromolecules material melt mesogens mesomorphic mesophase miscibility MLCs modulus molar mass molecular orientation molecular weight molecules morphology N₁ negative nematic nucleation observed obtained order parameter PBLG Phys Polymer Eng polymer liquid crystals Polymer Sci polymeric region relaxation rheology rigid sample shear rate shown in Figure side chain smectic solutions solvent spacer stiffness stress temperature range tensile texture thermal expansion thermotropic transesterification transition temperature values Vectra viscosity X-ray Young's modulus