Structural and Mechanical Hysteresis at the Order-Order Transition of Block Copolymer Micellar Crystals

Structural and Mechanical Hysteresis at the Order-Order Transition of Block Copolymer Micellar Crystals

Concentrated solutions of a water-soluble block copolymer (PEO)20-(PPO)70-(PEO)20 show a thermoreversible transition from a liquid to a gel. Over a range of concentration there also exists an order-order transition (OOT) between cubically-packed spherical micelles and hexagonally-packed cylindrical...

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Bibliographic Details
Main Authors: Theresa A. LaFollette, Lynn M. Walker Walker
Format: Article
Language:English
Published: MDPI AG 2011-01-01
Series:Polymers
Subjects:
pluronic
block copolymer
order-order transition
SANS
SAXS
rheology
hysteresis
Online Access:http://www.mdpi.com/2073-4360/3/1/281/

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