| 简介 |
The invention relates to a composition for cross-linking an epoxy resin with an isocyanate, which includes : an epoxy resin, a polyisocyanate, and a rare earth triflate, where the rare earth is chosen from the group consisting of Scandium, Yttrium, Lanthanum, Cerium, Praseodymium, Neodymium, Promethium, Samarium, Europium, Gadolinium, Terbium, Dysprosium, Holmium, Erbium, Thulium, Ytterbium and Lutetium. The invention further relates to a method for obtaining said composition, to a method for cross-linking the epoxy resin with the polyisocyanate, which includes putting the components in contact and heating same, and to the resulting cross-linked material. |
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