Surface characterization of cross-linked elastomers by shear modulation force microscopy

Y. Zhang, S. Ge, M. H. Rafailovich, J. C. Sokolov, Ralph H. Colby

Research output: Contribution to journalArticle

24 Citations (Scopus)

Abstract

Brominated poly(isobutylene-co-4-methylstyrene) (BIMS) is a synthetic terpolymer which can be stoichiometrically cross-linked by N,N′dicinnamylidene-1,6-hexanediamine (DIAK). The degree of cross-links on bulk samples was determined by measuring the low frequency shear modulus with parallel plate method. The surface modulus of the same samples was measured using a new method, shear modulation force microscopy (SMFM). The moduli of the bulk sample and the surface were found to have the same scaling with the cross-link density, and good agreement with rubber elasticity theory was obtained in both cases. The SMFM was then used to monitor the cross-linking process, as a function of DIAK concentration and curing time, in thin films where standard theological methods cannot be applied. The results show that in all cases the cross-linking reaction at the surface reaches saturation in less than 10 min as compared to at least 1 h in the bulk samples.

Original languageEnglish (US)
Pages (from-to)3327-3332
Number of pages6
JournalPolymer
Volume44
Issue number11
DOIs
StatePublished - Apr 30 2003

Fingerprint

Elastomers
Microscopic examination
1,6-diaminohexane
Modulation
Terpolymers
Rubber
Curing
Elasticity
Elastic moduli
Thin films

All Science Journal Classification (ASJC) codes

  • Organic Chemistry
  • Polymers and Plastics

Cite this

Zhang, Y. ; Ge, S. ; Rafailovich, M. H. ; Sokolov, J. C. ; Colby, Ralph H. / Surface characterization of cross-linked elastomers by shear modulation force microscopy. In: Polymer. 2003 ; Vol. 44, No. 11. pp. 3327-3332.
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Surface characterization of cross-linked elastomers by shear modulation force microscopy. / Zhang, Y.; Ge, S.; Rafailovich, M. H.; Sokolov, J. C.; Colby, Ralph H.

In: Polymer, Vol. 44, No. 11, 30.04.2003, p. 3327-3332.

Research output: Contribution to journalArticle

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T1 - Surface characterization of cross-linked elastomers by shear modulation force microscopy

AU - Zhang, Y.

AU - Ge, S.

AU - Rafailovich, M. H.

AU - Sokolov, J. C.

AU - Colby, Ralph H.

PY - 2003/4/30

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N2 - Brominated poly(isobutylene-co-4-methylstyrene) (BIMS) is a synthetic terpolymer which can be stoichiometrically cross-linked by N,N′dicinnamylidene-1,6-hexanediamine (DIAK). The degree of cross-links on bulk samples was determined by measuring the low frequency shear modulus with parallel plate method. The surface modulus of the same samples was measured using a new method, shear modulation force microscopy (SMFM). The moduli of the bulk sample and the surface were found to have the same scaling with the cross-link density, and good agreement with rubber elasticity theory was obtained in both cases. The SMFM was then used to monitor the cross-linking process, as a function of DIAK concentration and curing time, in thin films where standard theological methods cannot be applied. The results show that in all cases the cross-linking reaction at the surface reaches saturation in less than 10 min as compared to at least 1 h in the bulk samples.

AB - Brominated poly(isobutylene-co-4-methylstyrene) (BIMS) is a synthetic terpolymer which can be stoichiometrically cross-linked by N,N′dicinnamylidene-1,6-hexanediamine (DIAK). The degree of cross-links on bulk samples was determined by measuring the low frequency shear modulus with parallel plate method. The surface modulus of the same samples was measured using a new method, shear modulation force microscopy (SMFM). The moduli of the bulk sample and the surface were found to have the same scaling with the cross-link density, and good agreement with rubber elasticity theory was obtained in both cases. The SMFM was then used to monitor the cross-linking process, as a function of DIAK concentration and curing time, in thin films where standard theological methods cannot be applied. The results show that in all cases the cross-linking reaction at the surface reaches saturation in less than 10 min as compared to at least 1 h in the bulk samples.

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