Adsorption of polyamides and polyamide-silane mixtures at glass surfaces

Jeffrey R. Shallenberger, Ezz Eldin Metwalli, Carlo G. Pantano, F. Norman Tuller, Douglas F. Fry

Research output: Contribution to journalArticle

14 Citations (Scopus)

Abstract

The individual and combined adsorption behavior of polyamides and two different silanes to multicomponent glass surfaces was probed with a combination of x-ray photoelectron spectroscopy (XPS), atomic force microscopy (AFM) and static contact angle measurements. Samples were analyzed with and without solvent rinsing to separate the weakly bound (physisorbed) and more strongly bound (chemisorbed) species. High-resolution XPS on N Is revealed that the polyamides adsorb to the glass surfaces via protonated amine species at the acidic (OH) sites on the glass surface. Angle-resolved XPS confirmed this by showing that the alkyl portion of the polymer is oriented away from the glass interface. In competitive coadsorption studies it was found that amino-terminated silanes preferentially adsorb to the glass surface, relegating the polyamide to a physisorbed outer layer. When mercaptoterminated silanes were competitively coadsorbed the polyamide was preferentially adsorbed even when present at a concentration twenty times less than that of the silane. Altogether, this work reveals the strong interaction between surface silanols and amino-functionalized organics.

Original languageEnglish (US)
Pages (from-to)667-672
Number of pages6
JournalSurface and Interface Analysis
Volume35
Issue number8
DOIs
StatePublished - Aug 1 2003

Fingerprint

Silanes
Nylons
Polyamides
silanes
Adsorption
Glass
Photoelectron spectroscopy
adsorption
glass
x ray spectroscopy
photoelectron spectroscopy
X rays
Angle measurement
Contact angle
Amines
Atomic force microscopy
amines
Polymers
atomic force microscopy
high resolution

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Condensed Matter Physics
  • Surfaces and Interfaces
  • Surfaces, Coatings and Films
  • Materials Chemistry

Cite this

Shallenberger, Jeffrey R. ; Metwalli, Ezz Eldin ; Pantano, Carlo G. ; Tuller, F. Norman ; Fry, Douglas F. / Adsorption of polyamides and polyamide-silane mixtures at glass surfaces. In: Surface and Interface Analysis. 2003 ; Vol. 35, No. 8. pp. 667-672.
@article{4aa8a36d6c504ed99762e8a1881d6a3a,
title = "Adsorption of polyamides and polyamide-silane mixtures at glass surfaces",
abstract = "The individual and combined adsorption behavior of polyamides and two different silanes to multicomponent glass surfaces was probed with a combination of x-ray photoelectron spectroscopy (XPS), atomic force microscopy (AFM) and static contact angle measurements. Samples were analyzed with and without solvent rinsing to separate the weakly bound (physisorbed) and more strongly bound (chemisorbed) species. High-resolution XPS on N Is revealed that the polyamides adsorb to the glass surfaces via protonated amine species at the acidic (OH) sites on the glass surface. Angle-resolved XPS confirmed this by showing that the alkyl portion of the polymer is oriented away from the glass interface. In competitive coadsorption studies it was found that amino-terminated silanes preferentially adsorb to the glass surface, relegating the polyamide to a physisorbed outer layer. When mercaptoterminated silanes were competitively coadsorbed the polyamide was preferentially adsorbed even when present at a concentration twenty times less than that of the silane. Altogether, this work reveals the strong interaction between surface silanols and amino-functionalized organics.",
author = "Shallenberger, {Jeffrey R.} and Metwalli, {Ezz Eldin} and Pantano, {Carlo G.} and Tuller, {F. Norman} and Fry, {Douglas F.}",
year = "2003",
month = "8",
day = "1",
doi = "10.1002/sia.1589",
language = "English (US)",
volume = "35",
pages = "667--672",
journal = "Surface and Interface Analysis",
issn = "0142-2421",
publisher = "John Wiley and Sons Ltd",
number = "8",

}

Adsorption of polyamides and polyamide-silane mixtures at glass surfaces. / Shallenberger, Jeffrey R.; Metwalli, Ezz Eldin; Pantano, Carlo G.; Tuller, F. Norman; Fry, Douglas F.

In: Surface and Interface Analysis, Vol. 35, No. 8, 01.08.2003, p. 667-672.

Research output: Contribution to journalArticle

TY - JOUR

T1 - Adsorption of polyamides and polyamide-silane mixtures at glass surfaces

AU - Shallenberger, Jeffrey R.

AU - Metwalli, Ezz Eldin

AU - Pantano, Carlo G.

AU - Tuller, F. Norman

AU - Fry, Douglas F.

PY - 2003/8/1

Y1 - 2003/8/1

N2 - The individual and combined adsorption behavior of polyamides and two different silanes to multicomponent glass surfaces was probed with a combination of x-ray photoelectron spectroscopy (XPS), atomic force microscopy (AFM) and static contact angle measurements. Samples were analyzed with and without solvent rinsing to separate the weakly bound (physisorbed) and more strongly bound (chemisorbed) species. High-resolution XPS on N Is revealed that the polyamides adsorb to the glass surfaces via protonated amine species at the acidic (OH) sites on the glass surface. Angle-resolved XPS confirmed this by showing that the alkyl portion of the polymer is oriented away from the glass interface. In competitive coadsorption studies it was found that amino-terminated silanes preferentially adsorb to the glass surface, relegating the polyamide to a physisorbed outer layer. When mercaptoterminated silanes were competitively coadsorbed the polyamide was preferentially adsorbed even when present at a concentration twenty times less than that of the silane. Altogether, this work reveals the strong interaction between surface silanols and amino-functionalized organics.

AB - The individual and combined adsorption behavior of polyamides and two different silanes to multicomponent glass surfaces was probed with a combination of x-ray photoelectron spectroscopy (XPS), atomic force microscopy (AFM) and static contact angle measurements. Samples were analyzed with and without solvent rinsing to separate the weakly bound (physisorbed) and more strongly bound (chemisorbed) species. High-resolution XPS on N Is revealed that the polyamides adsorb to the glass surfaces via protonated amine species at the acidic (OH) sites on the glass surface. Angle-resolved XPS confirmed this by showing that the alkyl portion of the polymer is oriented away from the glass interface. In competitive coadsorption studies it was found that amino-terminated silanes preferentially adsorb to the glass surface, relegating the polyamide to a physisorbed outer layer. When mercaptoterminated silanes were competitively coadsorbed the polyamide was preferentially adsorbed even when present at a concentration twenty times less than that of the silane. Altogether, this work reveals the strong interaction between surface silanols and amino-functionalized organics.

UR - http://www.scopus.com/inward/record.url?scp=0042194531&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=0042194531&partnerID=8YFLogxK

U2 - 10.1002/sia.1589

DO - 10.1002/sia.1589

M3 - Article

AN - SCOPUS:0042194531

VL - 35

SP - 667

EP - 672

JO - Surface and Interface Analysis

JF - Surface and Interface Analysis

SN - 0142-2421

IS - 8

ER -