Zobrazeno 1 - 10
of 12
pro vyhledávání: '"B. V. Radushkevich"'
Autor:
B. V. Radushkevich, A. S. Chegolya
Publikováno v:
Fibre Chemistry. 13:292-298
Publikováno v:
Fibre Chemistry. 11:284-287
Publikováno v:
Fibre Chemistry. 15:263-266
A quantitative definition of the highly elastic deformation built up in extension of polypropylene fiber has been proposed.
Publikováno v:
Journal of Polymer Science: Polymer Physics Edition. 22:1155-1162
Uniaxial stretching and orientation of some linear flexible-chain polymers have been investigated. A functional relation has been found between the maximum recoverable deformation and the limiting extension of the macromolecules. These deformations a
Autor:
A. S. Chegolya, B. V. Radushkevich
Publikováno v:
Fibre Chemistry. 13:205-209
Publikováno v:
Polymer Mechanics. 10:113-118
The lowest Troutonian viscosities and Troutonian branches of the longitudinal flow curves of polystyrene were determined at various kinematic and temperature conditions of the tensioning process. The temperature dependence of the longitudinal viscosi
Publikováno v:
Polymer Mechanics. 4:279-284
A method has been developed for studying the deformation of polymers in a field with a longitudinal velocity gradient. The changes in the longitudinal viscosity and modulus of high elasticity of polyisobutylene in uniaxial tension at constant extensi
Publikováno v:
Journal of Polymer Science Part A-2: Polymer Physics. 8:657-678
On axial extension of polymer melts at constant deformation rates, the development of high-elastic deformation is of predominant importance during the initial period. High-elastic deformation is accompanied by a rise in viscosity and in the modulus o
Publikováno v:
Journal of Polymer Science Part A-2: Polymer Physics. 8:1-17
An apparatus is described and a method discussed for determining the rheological characteristics of elastic liquids during extension at constant rates of deformation and extension. The material studied was polyisobutylene of molecular weight 7 × 104
Publikováno v:
Rheologica Acta. 11:286-291
An apparatus for extension of polymers in the fluid and high-elastic states under constant true stresses is described. Determinations are made of the total, high-elastic and flow deformations and their rates in the course of extension of polystyrene