Abstract
We present a laboratory study confirming that phenol in phenol–formaldehyde resins can be replaced with deep thermal-processing products of raw wood. Operating conditions of synthesis are described, and a synthetic recipe is given. The synthesized resins were analyzed by physicochemical methods (IR spectroscopy, TGA, and the tensile strength test). The study revealed that such a replacement requires no considerable changes to be made in operating parameters of the current synthetic process for phenol–formaldehyde resins and allows one to obtain a glue based on this resin with a shear strength equal to 1.58 MPa, which meets specifications of the state standard.
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Valiullina, A.I., Grachev, A.N., Valeeva, A.R. et al. Synthesis and Properties of Phenol–Formaldehyde Resins from Thermal-Processing Products of Wood. Polym. Sci. Ser. D 16, 43–50 (2023). https://doi.org/10.1134/S1995421223010343
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DOI: https://doi.org/10.1134/S1995421223010343