...Xiaofeng Zhang; Shuangying Wei; Zhenhua Gao Purpose – The purpose of this paper is to investigate the effects of multi-hydroxymethylated phenol (MHMP) on the properties of moisture-curing polyurethane (PU) resin, especially on the heat resistance. Design/methodology/approach – The MHMPs...

...A.M.A. Nada; M.A. Yousef; K.A. Shaffei; A. Salah Bagasse and rice straw lignins undergo different treatments, e.g. acid hydrolysis, oxidation with hydrogen peroxide and thermal treatment, before being used as a partial replacement for phenol in phenol formaldehyde resin. These treatments improved...

... for phenolic resin adhesives. © MCB UP Limited 1999 Resins Phenols Wood Adhesives The use of natural tannins modified with formaldehyde as adhesive resins has been described by different authors (Dalton, 1950; Herrick and Bock, 1958; Pizzi, 1978; Coppen et al., 1980; Ebewele...