| abstract |
The invention relates to a liquid resin composition which can be polymerized by radiation and which contains (i) a difunctional monomeric or polymeric acrylate or methacrylate, (ii) a tri- or polyfunctional acrylate or methacrylate, (iii) at least one unsaturated monofunctional monomeric compound of the formula VI wherein R5 denotes hydrogen or methyl and R6 is a group of the formula VII R7 being tetrahydrofurfuryl, cyclohexyl, 2-phenoxyethyl, benzyl, isobornyl, glycidyl, dicyclopentenyl, morpholinoethyl, dimethylaminoethyl, diethylaminoethyl or a C1-C20 linear or branched aliphatic residue, or - if R5 is hydrogen R6 denotes additionally pyrrolidinon-2-yl, imidazonyl, carbazolyl, anthracenyl, phenyl, C5-C8cycloalkyl, naphthenyl, 2-norbornyl, pyridyl, N-caprolactamyl or toluyl and (iv) a photo-polymerization initiator for (i), (ii) and/or (iii). Such compositions are suitable in the stereolithographic process, as coatings or as adhesives. |