Abstract: Norbornene linseed oil(NLO) was synthesized using linseed oil and dicyclopentadiene,and was characterized by gel-permeation chromatography(GPC) and FT-IR.Based on norbornene linseed oil,thiol siloxane and photoinitiator a UV-curable organic-inorganic hybrid film was developed,and the UV-crosslinking reaction of the hybrid film was monitored via photo-differential scanning calorimetry(Photo-DSC),UV-curing scheme was analyzed and the UV-curing model was established.Photo-DSC results indicated that thiol siloxane(MPTS) colloids can greatly increase the free radical polymerization rate.

Key words: thiol siloxane colloids, norbornene linseed oil, organic-inorganic hybrid film, UV-curing activity, free radical polymerization