Abstract:

Dicyclopentadiene phenol resin(DPR) was prepared from dicyclopentadiene and phenol with methane sulfonic acid as the catalyst. The optimum conditions for the synthesis were as follows:n(phenol)/n(DCPD)=5;w(catalyst)=1.5%; temperature=120 ℃; time=5 h; yield=89%. The light yellow dicyclopentadiene phenol resin was obtained by the decolouring of catalytic-hydrogenation. The optimal conditions for the decolorization were as follows:hydrogen pressure=1.5 MPa, w(Pd/Al2O3)=0.5%, temperature=80 ℃, yield=89%. FT-IR and 1H NMR analysis identified the desired product. The product properties reached the international quality standards.

Key words: dicyclopentadiene, Phenol, Decoloration, dicyclopentadiene phenol resin