Skip to main content
U.S. Department of Energy
Office of Scientific and Technical Information

Morphological Consequences of Frustration in ABC Triblock Polymers

Journal Article · · Macromolecules

In this work, three poly(styrene)-block-poly(isoprene)-block-poly(lactide) (PS-b-PI-b-PLA, SIL) triblock terpolymers were synthesized and characterized in the bulk and as thin films. The pronounced incompatibility of the covalently connected PI and PLA led to significant frustration and the tendency to minimize their intermaterial dividing surface area. This resulted in the formation of a core–shell cylinder morphology with exaggerated nonconstant mean curvature from triblock polymers with equal block volume fractions rather than the more typical lamellar morphology. The effect of frustration was magnified in thin films by both confinement and interfacial interactions such that the PI domains became discontinuous. Self-consistent field theory (SCFT) calculations emphasize that the marked difference in the PS/PI and PI/PLA interaction parameters promotes the formation of nonlamellar morphologies. However, SCFT predicts that lamellar morphology is more stable than the observed cylindrical morphology, demonstrating a limitation that arises from the underlying assumptions.

Research Organization:
Argonne National Laboratory (ANL), Argonne, IL (United States). Advanced Photon Source (APS)
Sponsoring Organization:
National Science Foundation (NSF); Camille and Henry Dreyfus Foundation; Ministry of Education, Culture, Sports, Science and Technology (MEXT); USDOE Office of Science (SC)
Grant/Contract Number:
AC02-06CH11357
OSTI ID:
1343138
Journal Information:
Macromolecules, Journal Name: Macromolecules Journal Issue: 1 Vol. 50; ISSN 0024-9297
Publisher:
American Chemical SocietyCopyright Statement
Country of Publication:
United States
Language:
ENGLISH

References (80)

Conformationally asymmetric block copolymers journal April 1997
Nanoporous Membranes with Ultrahigh Selectivity and Flux for the Filtration of Viruses journal March 2006
Fluctuations, Order, and Disorder in Short Diblock Copolymers journal February 2013
Cylindrical morphologies in asymmetric ABC triblock copolymers journal April 1997
Evolution of the “knitting pattern” morphology in ABC triblock copolymers journal August 1996
Towards Nanoporous Membranes based on ABC Triblock Terpolymers journal June 2007
Phase Behaviour and Morphologies of Block Copolymers book January 2005
Nanopattern Evolution in Block Copolymer Films: Experiment, Simulations and Challenges book January 2010
Thermodynamics of Polymer Blends book January 2007
Triblock copolymers: the role of interfacial tension coefficients at two interfaces journal March 1995
Effect of surface roughness of carbon support films on high-resolution electron diffraction of two-dimensional protein crystals journal September 1991
Surface induced self assembly in thin polymer films journal March 1995
Influence of the block sequence on the morphological behavior of ABC triblock copolymers journal December 2000
Block copolymers and conventional lithography journal September 2006
Synthesis, characterization, and bulk crosslinking of polybutadiene-block-poly(2-vinyl pyridine)-block-poly(tert-butyl methacrylate) block terpolymers journal April 2010
Polydispersity and block copolymer self-assembly journal September 2008
Surface-treatment effects on organic thin-film transistors journal January 2005
Novel lift-off technique for Transmission Electron Microscopy imaging of block copolymer films journal March 2015
Fluctuations, Phase Transitions, and Latent Heat in Short Diblock Copolymers: Comparison of Experiment, Simulation, and Theory journal April 2015
Mapping Substrate Surface Field Propagation in Block Polymer Thin Films journal January 2016
Broadly Accessible Self-Consistent Field Theory for Block Polymer Materials Discovery journal June 2016
Stabilizing the Frank-Kasper Phases via Binary Blends of AB Diblock Copolymers journal September 2016
Cornucopia of Nanoscale Ordered Phases in Sphere-Forming Tetrablock Terpolymers journal April 2016
Self-Assembled Block Copolymer Thin Films as Water Filtration Membranes journal February 2010
Nanopore and Nanobushing Arrays from ABC Triblock Thin Films Containing Two Etchable Blocks journal March 2006
Core−Shell Gyroid Morphology in a Poly(isoprene- block -styrene- block -dimethylsiloxane) Triblock Copolymer journal September 1999
Effect of Polydispersity on the Phase Diagrams of Linear ABC Triblock Copolymers in Two Dimensions journal November 2005
Morphologies of ABC Triblock Terpolymer Melts Containing Poly(Cyclohexadiene): Effects of Conformational Asymmetry journal January 2013
Interfacial Manipulations: Controlling Nanoscale Assembly in Bulk, Thin Film, and Solution Block Copolymer Systems journal February 2013
Preparation and morphology of triblock copolymers of the ABC type journal September 1992
Correlation of binary polyolefin phase behavior with statistical segment length asymmetry journal September 1992
New ordered morphologies in ABC triblock copolymers journal April 1993
Observation of a non-constant mean curvature interface in an ABC triblock copolymer journal May 1993
Tricontinuous Double-Diamond Structure Formed by a Styrene-Isoprene-2-Vinylpyridine Triblock Copolymer journal June 1994
Microphases of a Diblock Copolymer with Conformational Asymmetry journal July 1994
Connection between Polymer Molecular Weight, Density, Chain Dimensions, and Melt Viscoelastic Properties journal August 1994
Morphology and Thermodynamics of Symmetric Poly(A-block-B-block-C) Triblock Copolymers journal April 1995
Chiral Assembly in Amorphous ABC Triblock Copolymers. Formation of a Helical Morphology in Polystyrene-block-polybutadiene-block-poly(methyl methacrylate) Block Copolymers journal June 1995
Morphology of ABC Triblock Copolymers journal October 1995
Polyisoprene-Polystyrene Diblock Copolymer Phase Diagram near the Order-Disorder Transition journal December 1995
Morphological Behavior Bridging the Symmetric AB and ABC States in the Poly(styrene- b -isoprene- b -ethylene oxide) Triblock Copolymer System journal September 2001
Antiferromagnetic Ordering in a Helical Triblock Copolymer Mesostructure journal October 2001
Field-Theoretic Computer Simulation Methods for Polymers and Complex Fluids journal January 2002
A Noncubic Triply Periodic Network Morphology in Poly(isoprene- b -styrene- b -ethylene oxide) Triblock Copolymers journal August 2002
Thin Film Morphologies of ABC Triblock Copolymers Prepared from Solution journal July 2002
Influence of Conformational Asymmetry on Polymer−Polymer Interactions:  An Entropic or Enthalpic Effect? journal September 2002
Combinatorial Mapping of the Phase Behavior of ABC Triblock Terpolymers in Thin Films:  Experiments journal February 2005
Routes to Alkene and Epoxide Functionalized Nanoporous Materials from Poly(styrene- b -isoprene- b -lactide) Triblock Copolymers journal December 2006
Guanidine and Amidine Organocatalysts for Ring-Opening Polymerization of Cyclic Esters journal December 2006
Phase Behavior of Nonfrustrated ABC Triblock Copolymers: Weak and Intermediate Segregation journal June 2010
Morphologies of Linear Triblock Copolymers from Monte Carlo Simulations journal June 2011
Emergence and Stability of Helical Superstructures in ABC Triblock Copolymers journal December 2011
Self-Consistent Field Theory for Melts of Low-Molecular-Weight Diblock Copolymer journal October 2012
Theoretical Study of Phase Behavior of Frustrated ABC Linear Triblock Copolymers journal November 2012
Block Copolymer Lithography journal November 2013
Sub-5 nm Domains in Ordered Poly(cyclohexylethylene)- block -poly(methyl methacrylate) Block Polymers for Lithography journal February 2014
Origins of Complex Self-Assembly in Block Copolymers journal January 1996
Reversible Kinetics and Thermodynamics of the Homopolymerization of l -Lactide with 2-Ethylhexanoic Acid Tin(II) Salt journal November 1997
σ Phase Formed in Conformationally Asymmetric AB-Type Block Copolymers journal August 2014
Safe and Convenient Procedure for Solvent Purification journal January 1996
Asymmetric superstructure formed in a block copolymer via phase separation journal November 2007
Self-assembly of functional nanostructures from ABC triblock copolymers journal October 2003
A double helical structure formed from an amorphous, achiral ABC triblock terpolymer journal January 2009
Integration of self-assembled diblock copolymers for semiconductor capacitor fabrication journal July 2001
Spontaneous alignment of self-assembled ABC triblock terpolymers for large-area nanolithography journal September 2008
Can a single function for χ account for block copolymer and homopolymer blend phase behavior? journal February 1998
Block Copolymers—Designer Soft Materials journal February 1999
The standard Gaussian model for block copolymer melts journal December 2001
Morphology and phase diagram of complex block copolymers:  ABC linear triblock copolymers journal March 2004
Discovering Ordered Phases of Block Copolymers: New Results from a Generic Fourier-Space Approach journal July 2008
Stable and unstable phases of a diblock copolymer melt journal April 1994
Combinatorial Screening of Complex Block Copolymer Assembly with Self-Consistent Field Theory journal November 1999
Orthorhombic F d d d Network in Triblock and Diblock Copolymer Melts journal May 2005
Block copolymers as photonic bandgap materials journal November 1999
Density Multiplication and Improved Lithography by Directed Block Copolymer Assembly journal August 2008
Multiblock Polymers: Panacea or Pandora's Box? journal April 2012
Block Copolymer Lithography: Periodic Arrays of 1011 Holes in 1 Square Centimeter journal May 1997
Numerical Solution of Polymer Self-Consistent Field Theory journal January 2004
Block Copolymer Thin Films: Physics and Applications journal August 2001
Polymer self assembly in semiconductor microelectronics journal September 2007

Cited By (1)

Hierarchical Self-Assembly of Supramolecular Double-Comb Triblock Terpolymers journal September 2018

Figures / Tables (12)


Similar Records

Well-Ordered Nanoporous ABA Copolymer Thin Films via Solvent Vapor Annealing, Homopolymer Blending, and Selective Etching of ABAC Tetrablock Terpolymers
Journal Article · Sun Dec 06 23:00:00 EST 2015 · ACS Applied Materials and Interfaces · OSTI ID:1418564

In Situ Study of ABC Triblock Terpolymer Self-Assembly under Solvent Vapor Annealing
Journal Article · Tue Feb 12 23:00:00 EST 2019 · Macromolecules · OSTI ID:1504877

Morphologies of ABC Triblock Terpolymer Melts Containing Poly(Cyclohexadiene): Effects of Conformational Asymmetry
Journal Article · Sat Dec 22 23:00:00 EST 2012 · Langmuir · OSTI ID:1060860