4.4 Article

Influence of Nanoclay on Phenol-Formaldehyde and Phenol-Urea-Formaldehyde Resins for Wood Adhesives

Journal

JOURNAL OF ADHESION SCIENCE AND TECHNOLOGY
Volume 24, Issue 8-10, Pages 1567-1576

Publisher

TAYLOR & FRANCIS LTD
DOI: 10.1163/016942410X500945

Keywords

Nanoclay; phenol-formaldehyde resins; phenol-urea-formaldehyde resins; thermosetting resins; adhesives

Funding

  1. CPER through Conseil General des Vosges through Region Lorraine through DRRT through FNADT
  2. European (FEDER) funds
  3. Key Research Foundation of Southwest Forestry University, Yunnan, China [2005088]

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The addition of small percentages of Na+-montmorillonite (NaMMT) nanoclay does not appear to improve much the performance of thermosetting phenol-formaldehyde (PF) and phenol-urea-formaldehyde (PUF) resins used as adhesives for plywood and for wood particleboard. X-ray diffraction (XRD) studies indicated that NaMMT does not become completely exfoliated when mixed in small proportions to PF resins, contrary to that observed for acid-setting urea-formaldehyde (UF) resins. Differential scanning calorimetry (DSC) indicated that NaMMT has no accelerating effect on the curing of alkaline PF resins, contrary to that observed for UF resins. (C) Koninklijke Brill NV, Leiden, 2010

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