[1]GU J Y,HIGUCHI M,MORITA M,et al.Synthetic conditions and chemical structures of urea-formaldehyde resins Properties of the resins synthesized by three different procedures[J].Mokuzaigakkaishi,1995,41(12):1 115-1 121.
[2]TOHMURA S I,AKIO I,SITI H S.Influence of the melamine content in melamine-urea-formaldehyde resins on formaldehyde emission and cured resin structure[J].Journal of Wood Science,2001,47(6) :451-457.
[3]KAWARADA K,IIDA T,OHMI M,et al.Dynamic viscoelastic analysis of curing process of urea-formaldehyde resin and formaldehyde emission[J].Journal of the Adhesion Society of Japan,2003,39 (9):334-341.
[4]SZESTAY M,LASZLO Z,KOVACSVICS E,et al.DSC application for characterization of urea/formaldehyde condensates [J].Holz als Roh-und Werkstoff,1993,51 (5) :297-300.