Evaluation of Domain Spacing Scaling Laws for Semicrystalline Diblock Copolymers

Diblock copolymers of (ethylene-co-butylene)-b-(ethylene) (EBEE) were used to evaluate scaling laws describing the molecular weight dependence of the lamellar domain spacing of semi-crystalline block copolymer systems. Small angle X-ray scattering was used to measure lamellar domain spacings for a s...

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Bibliographic Details
Main Authors: Douzinas, K C, Cohen, R E, Halasa, A F
Format: Report
Language:English
Subjects:
ANGLES
BLOCK POLYMERS
COPOLYMERS
EQUILIBRIUM(GENERAL)
MICROBASE SEPARATION THEORIES
MOLECULAR WEIGHT
MORPHOLOGY
Polymer Chemistry
SCALING FACTOR
SEMICRYSTALLINE BLOCK COPOLYMERS
THEORY
X RAY SCATTERING
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Summary:Diblock copolymers of (ethylene-co-butylene)-b-(ethylene) (EBEE) were used to evaluate scaling laws describing the molecular weight dependence of the lamellar domain spacing of semi-crystalline block copolymer systems. Small angle X-ray scattering was used to measure lamellar domain spacings for a series of EBEE samples. Experimental results were in good agreement with the predictions of the equilibrium theory of Whitmore and Noolandi.