The Chemical Structure of UF Resins

Richard M. Rammon, William E. Johns, James Magnuson, A. Dunker

Research output: Contribution to journalArticle

53 Citations (Scopus)

Abstract

The structure of urea-formaldehyde (UF) resin was studied in light of the influence of various synthesis parameters on the chemical structure of the resulting resin solutions. The structural variability was analyzed by 13C nuclear magnetic resonance spectroscopy (NMR). Using appropriate pulse techniques, quantitative determination of the proportion of various functional groups was obtained. The parameters of formaldehydc/urea mole ratio, pH control, extent of reaction, and concentration of reactants were shown to affect the final resin structure. Variation of these parameters influenced the extent of branching, the rate of condensation, and the proportion of di-methylene ethers and cyclic uron structures.

Original languageEnglish (US)
Pages (from-to)115-135
Number of pages21
JournalThe Journal of Adhesion
Volume19
Issue number2
DOIs
StatePublished - 1986
Externally publishedYes

Fingerprint

Urea formaldehyde resins
formaldehyde
ureas
resins
Resins
Cyclic Ethers
proportion
Urea
Functional groups
Nuclear magnetic resonance spectroscopy
Condensation
Ethers
magnetic resonance spectroscopy
methylene
ethers
condensation
nuclear magnetic resonance
synthesis
pulses

Keywords

  • Adhesives
  • chemical structure
  • reaction mechanisms
  • reaction parameters
  • synthesis
  • urea-formaldehyde resins

ASJC Scopus subject areas

  • Chemistry(all)
  • Materials Chemistry
  • Mechanics of Materials
  • Surfaces, Coatings and Films
  • Surfaces and Interfaces

Cite this

The Chemical Structure of UF Resins. / Rammon, Richard M.; Johns, William E.; Magnuson, James; Dunker, A.

In: The Journal of Adhesion, Vol. 19, No. 2, 1986, p. 115-135.

Research output: Contribution to journalArticle

Rammon, RM, Johns, WE, Magnuson, J & Dunker, A 1986, 'The Chemical Structure of UF Resins', The Journal of Adhesion, vol. 19, no. 2, pp. 115-135. https://doi.org/10.1080/00218468608071217
Rammon, Richard M. ; Johns, William E. ; Magnuson, James ; Dunker, A. / The Chemical Structure of UF Resins. In: The Journal of Adhesion. 1986 ; Vol. 19, No. 2. pp. 115-135.
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