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Cited by 453

The DOI matches its Crossref record; 9 of the 9 references it cites were found in a registry or an index.

Modes of Crystallization in Block Copolymer Microdomains: Breakout, Templated, and Confined

Loo, Yueh-Lin, Register, Richard A., Ryan, Anthony J.·2002·Macromolecules
DOI 10.1021/ma011824j
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Abstract

We examined the melt and solid-state structures of a series of diblock copolymers containing polyethylene as the minority block, with a rubbery hydrocarbon majority block. When the interblock segregation strength during crystallization is sufficiently high (approximately 3 times the segregation strength at the order−disorder transition), crystallization can be effectively confined within spherical domains formed by microphase separation in the melt; the process is homogeneously nucleated, and the resulting kinetics are first-order (Avrami n = 1). Below this critical interblock segregation strength, crystallization disrupts the spherical microdomains, resulting in sigmoidal kinetics ( n > 1). Cylinder-forming materials are more complex: there exists a range of intermediate segregation strength where crystallization is templated but not wholly confined within the nanoscale domains prescribed by microphase separation; while the melt morphology is generally retained on cooling, local distortions and connections between cylinders occur due to crystallization. These intercylinder connections allow the material initially contained within several cylinders to be crystallized by a single nucleus, producing sigmoidal kinetics and a dramatic acceleration of the overall crystallization rate, despite the general preservation of the cylindrical structure.

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Citations

Cites

Research works printed but not linked: 29

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Metadata

Authors
Loo, Y.-L., Register, R. A., & Ryan, A. J.
Venue
Macromolecules
Publisher
American Chemical Society (ACS)
Published
2002-02-16
Volume
35
Issue
6
Pages
2365-2374
ISSN
  • 0024-9297 (ISSN-L)
  • 1520-5835
DOI
10.1021/ma011824j
OpenAlex
W2035994280
Cited by
453
References
9
FWCI
23.03
Type
journal article
Language
en
Open access
closed

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