Open AccessApplications of shear‐induced polarized light imaging (SIPLI) technique for mechano‐optical rheology of polymers and soft matter materials
Author(s) -
Mykhaylyk Oleksandr O.,
Warren Nicholas J.,
Parnell Andrew J.,
Pfeifer Gerhard,
Laeuger Joerg
Publication year - 2016
Publication title -
journal of polymer science part b: polymer physics
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.65
H-Index - 145
eISSN - 1099-0488
pISSN - 0887-6266
DOI - 10.1002/polb.24111
Subject(s) - rheology , materials science , polymer , soft matter , birefringence , lamellar structure , micelle , liquid crystal , copolymer , viscosity , composite material , shear thinning , polymer chemistry , optics , chemistry , colloid , optoelectronics , physics , aqueous solution
A new experimental method for studying the mechano‐optical rheology of polymeric liquids and soft matter materials is presented. The method is based on a combination of rotational rheology and a recently developed optical technique—shear‐induced polarized light imaging (SIPLI). The method provides a unique opportunity to monitor a complete sample view during rheological measurements in plate–plate and cone‐and‐plate geometry. Applications of the method are presented including simultaneous SIPLI and the rheology of the oriented lamellar phase of block copolymers and liquid crystals as well as a study of the thermally induced reversible transformation of worm‐like micelles to spherical micelles. In addition, a direct relation between the shish formation and the polymer melt viscosity upturn during flow‐induced crystallization of semi‐crystalline polymers is demonstrated. An application of SIPLI for quantitative birefringence measurements is also shown. © 2016 The Authors. Journal of Polymer Science Part B: Polymer Physics Published by Wiley Periodicals, Inc. J. Polym. Sci., Part B: Polym. Phys. 2016 , 54 , 2151–2170