Homopolymer interfaces reinforced with random copolymers

R. Kulasekere; H. Kaiser; J. F. Ankner; T. P. Russell; H. R. Brown; C. J. Hawker; A. M. Mayes

doi:10.1021/ma960382m

Homopolymer interfaces reinforced with random copolymers

R. Kulasekere
, H. Kaiser
, J. F. Ankner
, T. P. Russell
, H. R. Brown
, C. J. Hawker
, A. M. Mayes

Research output: Contribution to journal › Article › peer-review

87 Scopus citations

Abstract

The strengthening of the interface between polystyrene (PS) and poly(methyl methacrylate) (PMMA) using a random copolymer P(S_f-r-MMA_1-f), where f is the fraction of styrene in the copolymer, was investigated. The maximal fracture toughness, measured by crack propagation, was found when f = 0.68. Neutron reflectivity measurements showed that this value of f corresponded to the point where the interfacial broadening on the PS and PMMA sides of the interface was symmetric. The symmetry of broadening and the optimization of the toughness at f = 0.68 are attributable to a composition-dependent segmental interaction parameter.

Original language	English
Pages (from-to)	5493-5496
Number of pages	4
Journal	Macromolecules
Volume	29
Issue number	16
DOIs	https://doi.org/10.1021/ma960382m
State	Published - Jul 29 1996
Externally published	Yes

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10.1021/ma960382m

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title = "Homopolymer interfaces reinforced with random copolymers",

abstract = "The strengthening of the interface between polystyrene (PS) and poly(methyl methacrylate) (PMMA) using a random copolymer P(Sf-r-MMA1-f), where f is the fraction of styrene in the copolymer, was investigated. The maximal fracture toughness, measured by crack propagation, was found when f = 0.68. Neutron reflectivity measurements showed that this value of f corresponded to the point where the interfacial broadening on the PS and PMMA sides of the interface was symmetric. The symmetry of broadening and the optimization of the toughness at f = 0.68 are attributable to a composition-dependent segmental interaction parameter.",

author = "R. Kulasekere and H. Kaiser and Ankner, \{J. F.\} and Russell, \{T. P.\} and Brown, \{H. R.\} and Hawker, \{C. J.\} and Mayes, \{A. M.\}",

year = "1996",

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day = "29",

doi = "10.1021/ma960382m",

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TY - JOUR

T1 - Homopolymer interfaces reinforced with random copolymers

AU - Kulasekere, R.

AU - Kaiser, H.

AU - Ankner, J. F.

AU - Russell, T. P.

AU - Brown, H. R.

AU - Hawker, C. J.

AU - Mayes, A. M.

PY - 1996/7/29

Y1 - 1996/7/29

N2 - The strengthening of the interface between polystyrene (PS) and poly(methyl methacrylate) (PMMA) using a random copolymer P(Sf-r-MMA1-f), where f is the fraction of styrene in the copolymer, was investigated. The maximal fracture toughness, measured by crack propagation, was found when f = 0.68. Neutron reflectivity measurements showed that this value of f corresponded to the point where the interfacial broadening on the PS and PMMA sides of the interface was symmetric. The symmetry of broadening and the optimization of the toughness at f = 0.68 are attributable to a composition-dependent segmental interaction parameter.

AB - The strengthening of the interface between polystyrene (PS) and poly(methyl methacrylate) (PMMA) using a random copolymer P(Sf-r-MMA1-f), where f is the fraction of styrene in the copolymer, was investigated. The maximal fracture toughness, measured by crack propagation, was found when f = 0.68. Neutron reflectivity measurements showed that this value of f corresponded to the point where the interfacial broadening on the PS and PMMA sides of the interface was symmetric. The symmetry of broadening and the optimization of the toughness at f = 0.68 are attributable to a composition-dependent segmental interaction parameter.

UR - https://www.scopus.com/pages/publications/0030195472

U2 - 10.1021/ma960382m

DO - 10.1021/ma960382m

M3 - Article

AN - SCOPUS:0030195472

SN - 0024-9297

VL - 29

SP - 5493

EP - 5496

JO - Macromolecules

JF - Macromolecules

IS - 16

ER -

Homopolymer interfaces reinforced with random copolymers

Abstract

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