Abstract
Glulam beams were prepared using pine boards glued together with a melamine-urea–formaldehyde (MUF) adhesive by means of an experimental fast-setting process called “honeymoon”. In this process, MUF is spread on the face of the first part, then an acid is spread on the face of the second part and the two are assembled. Mechanical properties of the beams remain very good even after severe water exposure in a delamination test. Moreover, the short pressing time of this honeymoon process (the adhesive is perfectly hardened after 3 h) makes it perfectly suitable for industrial applications.
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References
EN 1194 (1999) Timber structures. Glued laminated timber. Strength classes and determination of characteristic values. European Standard
EN 392 (1995) Glued laminated timber—Shear test of glue lines. European Standard
EN 386 (2002) Glued laminated timber—performance requirements and minimum production requirements. European Standard
EN 391 (2002) Glued laminated timber—Delamination test of glue lines. European Standard
Properzi M, Pizzi A, Uzielli L (2001) Honeymoon MUF adhesives for exterior grade glulam. Holz Roh Werkst 59(6):413–421
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Sauget, A., Pizzi, A., Guillot, A. et al. Performance of MUF honeymoon adhesive for glulam. Eur. J. Wood Prod. 72, 697–698 (2014). https://doi.org/10.1007/s00107-014-0819-3
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DOI: https://doi.org/10.1007/s00107-014-0819-3