The use of ATR-FTIR to determine the effects of functional groups on interfacial crosslinking of reactive nanoparticles

Young Jun Park, Jung Hyun Kim

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

The film formation and crosslinking of complementary reactive nanoparticle blends of acetoacetoxy (or acetoacctamido) functional particles with isocyanate functional particles were investigated using attenuated total reflectance-Fourier transform infared (ATR-FTIR) spectroscopy. A series of copolymers of 2-ethylhexyl methacrylate (EHMA) with acetoacetoxy ethyl methacrylate (AA), 2-methyl-acrylic acid 2-methyl-2-(3-oxo-butyrylamino)-propyl ester (AM), and dimethyl meta-isopropenyl benzyl isocyanate (TMI) were prepared by emulsion polymerization techniques at room temperature. These blends were air-dried on ATR-FTIR germanium (Ge) discs while the FTIR spectra were taken during the film formation process. The interfacial crosslinking reaction between functional moieties during the film formation process was determined using the FTIR data. The reactivity of acetoacetamido group is higher than that of acetoacetoxy group and the rate constant for the crosslinking reaction between two reaction moieties of terpolymer samples is higher as compared to the blended systems.

Original languageEnglish
Pages (from-to)537-545
Number of pages9
JournalJournal of Dispersion Science and Technology
Volume24
Issue number3-4
DOIs
Publication statusPublished - 2003 May 1

Fingerprint

crosslinking
Crosslinking
Functional groups
Isocyanates
Fourier transforms
isocyanates
Methacrylates
Nanoparticles
reflectance
nanoparticles
Germanium
Terpolymers
Emulsion polymerization
acrylic acid
Acrylics
emulsions
esters
Rate constants
germanium
copolymers

All Science Journal Classification (ASJC) codes

  • Physical and Theoretical Chemistry
  • Surfaces, Coatings and Films
  • Polymers and Plastics

Cite this

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abstract = "The film formation and crosslinking of complementary reactive nanoparticle blends of acetoacetoxy (or acetoacctamido) functional particles with isocyanate functional particles were investigated using attenuated total reflectance-Fourier transform infared (ATR-FTIR) spectroscopy. A series of copolymers of 2-ethylhexyl methacrylate (EHMA) with acetoacetoxy ethyl methacrylate (AA), 2-methyl-acrylic acid 2-methyl-2-(3-oxo-butyrylamino)-propyl ester (AM), and dimethyl meta-isopropenyl benzyl isocyanate (TMI) were prepared by emulsion polymerization techniques at room temperature. These blends were air-dried on ATR-FTIR germanium (Ge) discs while the FTIR spectra were taken during the film formation process. The interfacial crosslinking reaction between functional moieties during the film formation process was determined using the FTIR data. The reactivity of acetoacetamido group is higher than that of acetoacetoxy group and the rate constant for the crosslinking reaction between two reaction moieties of terpolymer samples is higher as compared to the blended systems.",
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AU - Kim, Jung Hyun

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N2 - The film formation and crosslinking of complementary reactive nanoparticle blends of acetoacetoxy (or acetoacctamido) functional particles with isocyanate functional particles were investigated using attenuated total reflectance-Fourier transform infared (ATR-FTIR) spectroscopy. A series of copolymers of 2-ethylhexyl methacrylate (EHMA) with acetoacetoxy ethyl methacrylate (AA), 2-methyl-acrylic acid 2-methyl-2-(3-oxo-butyrylamino)-propyl ester (AM), and dimethyl meta-isopropenyl benzyl isocyanate (TMI) were prepared by emulsion polymerization techniques at room temperature. These blends were air-dried on ATR-FTIR germanium (Ge) discs while the FTIR spectra were taken during the film formation process. The interfacial crosslinking reaction between functional moieties during the film formation process was determined using the FTIR data. The reactivity of acetoacetamido group is higher than that of acetoacetoxy group and the rate constant for the crosslinking reaction between two reaction moieties of terpolymer samples is higher as compared to the blended systems.

AB - The film formation and crosslinking of complementary reactive nanoparticle blends of acetoacetoxy (or acetoacctamido) functional particles with isocyanate functional particles were investigated using attenuated total reflectance-Fourier transform infared (ATR-FTIR) spectroscopy. A series of copolymers of 2-ethylhexyl methacrylate (EHMA) with acetoacetoxy ethyl methacrylate (AA), 2-methyl-acrylic acid 2-methyl-2-(3-oxo-butyrylamino)-propyl ester (AM), and dimethyl meta-isopropenyl benzyl isocyanate (TMI) were prepared by emulsion polymerization techniques at room temperature. These blends were air-dried on ATR-FTIR germanium (Ge) discs while the FTIR spectra were taken during the film formation process. The interfacial crosslinking reaction between functional moieties during the film formation process was determined using the FTIR data. The reactivity of acetoacetamido group is higher than that of acetoacetoxy group and the rate constant for the crosslinking reaction between two reaction moieties of terpolymer samples is higher as compared to the blended systems.

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