Relationships of Polymeric Structure and PropertiesIvo Chudáček |
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Page 10
... crystalline structure 6 Volume - fraction Corresponding layer Material crystalline αν 0.2-0.4 L = L⋅ av 2-4 nm noncrystalline ( amorphous ) 1 - α , 0.6-0.8 la = L · ( 1 − α ) 5-7 nm mobile amorphous В 0.1 -0.3 lab = L. B 1-3 nm rigid ...
... crystalline structure 6 Volume - fraction Corresponding layer Material crystalline αν 0.2-0.4 L = L⋅ av 2-4 nm noncrystalline ( amorphous ) 1 - α , 0.6-0.8 la = L · ( 1 − α ) 5-7 nm mobile amorphous В 0.1 -0.3 lab = L. B 1-3 nm rigid ...
Page 11
... crystalline ( solid symbols ) PET . O , ○ : dielectric ; V , V : torsion pen- dulum ; , : glass temperature ( Eq . ( 4 ) ) ; △ , △ : enthalpy relaxa- tion . V ,, : one sample crystallized at 120 ° C for 16 h ; : different ...
... crystalline ( solid symbols ) PET . O , ○ : dielectric ; V , V : torsion pen- dulum ; , : glass temperature ( Eq . ( 4 ) ) ; △ , △ : enthalpy relaxa- tion . V ,, : one sample crystallized at 120 ° C for 16 h ; : different ...
Page 146
... crystalline networks , are expected . But it was shown that there exist at least 10 linear polymorphs containing these units [ 22 ] which build up hexagonal crystalline material with a density between that of graphite and diamond . The ...
... crystalline networks , are expected . But it was shown that there exist at least 10 linear polymorphs containing these units [ 22 ] which build up hexagonal crystalline material with a density between that of graphite and diamond . The ...
Contents
Preface | 1 |
2220 | 16 |
Dielectric relaxation of polyurethane systems Part II Shape parameters | 37 |
Copyright | |
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accepted April 21 acetonitrile activation energy amorphous Appl Phys April 21 behavior bentonite bonds calculated carbon chain charge carriers Charles University Chem Phys coefficient Colloid concentration constant copolymers crosslinked crystal crystalline curves Czechoslovakia decay density dielectric relaxation distribution effect Electrets electric electron ence enthalpy equation eutectoid experimental filler films fluorescence frequency function gel point glass transition Heinrich G hopping increase Key words kinetics layer Macromolecules measurements mechanical melting modulus molecular weight molecules monomer motion obtained oligomer parameters particles PCPS HT peak phase photogeneration Phys Rev PKMG PMCA polarization poly polyamide Polym Sci Polymer Physics polymeric polypropylene pressure properties PVAC region relaxation samples semidilute shown in Fig solid soliton spectra structure surface temperature dependence theory thermal thermodynamic thickness tion transport traps TSDC voltage volume wall water content