Acid-base interaction in the adhesion between two solid surfaces

Gun Young Choi, Jung F. Kang, Abraham Ulman, Walter Zurawsky, Cathy Fleischer

Research output: Contribution to journalArticle

Abstract

A study of acid-base interactions in the adhesion between solid surfaces is presented. Adhesion was studied between various OH-functionalized self-assembled monolayer (SAM) surfaces and poly(dimethylsiloxane) (PDMS) cross-linked networks using the contact deformation mechanics method. An increase in adhesion strength was observed in the order of increasing acidity of surface OH protons [Au/S(CH2)11OH<Au/S(C6H4)2OH<Au/S (CH2)15COOH<Au/S(CH2)11PO(OH)2]. Systematic control of surface OH concentration revealed that the strength of adhesion is proportional to the number of surface OH groups but that the relationship is highly nonlinear, probably due to the collective nature of H-bonding between the PDMS chain and surface OH groups. Intermolecular H-bonding at the surface of phosphonic acid (11-mercaptoundecyl phosphonic acid SAMs) results in decreased adhesion.

Original languageEnglish (US)
Pages (from-to)8783-8786
Number of pages4
JournalLangmuir
Volume15
Issue number26
DOIs
StatePublished - Dec 21 1999

Fingerprint

solid surfaces
adhesion
Adhesion
acids
Acids
interactions
Polydimethylsiloxane
Bond strength (materials)
acidity
Self assembled monolayers
Acidity
Protons
Mechanics
protons

ASJC Scopus subject areas

  • Colloid and Surface Chemistry
  • Physical and Theoretical Chemistry

Cite this

Choi, G. Y., Kang, J. F., Ulman, A., Zurawsky, W., & Fleischer, C. (1999). Acid-base interaction in the adhesion between two solid surfaces. Langmuir, 15(26), 8783-8786. https://doi.org/10.1021/la991222h

Acid-base interaction in the adhesion between two solid surfaces. / Choi, Gun Young; Kang, Jung F.; Ulman, Abraham; Zurawsky, Walter; Fleischer, Cathy.

In: Langmuir, Vol. 15, No. 26, 21.12.1999, p. 8783-8786.

Research output: Contribution to journalArticle

Choi, GY, Kang, JF, Ulman, A, Zurawsky, W & Fleischer, C 1999, 'Acid-base interaction in the adhesion between two solid surfaces', Langmuir, vol. 15, no. 26, pp. 8783-8786. https://doi.org/10.1021/la991222h
Choi GY, Kang JF, Ulman A, Zurawsky W, Fleischer C. Acid-base interaction in the adhesion between two solid surfaces. Langmuir. 1999 Dec 21;15(26):8783-8786. https://doi.org/10.1021/la991222h
Choi, Gun Young ; Kang, Jung F. ; Ulman, Abraham ; Zurawsky, Walter ; Fleischer, Cathy. / Acid-base interaction in the adhesion between two solid surfaces. In: Langmuir. 1999 ; Vol. 15, No. 26. pp. 8783-8786.
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