| 摘要 |
A bonded workpiece is produced by moulding a resin material in a mould and in contact with a cross- linkable elastomeric material, either or each material containing a compound or group which reacts with the other material, under the conditions of the process, thereby bonding the materials together at their mutual boundary. The mouldable resin may be e.g. an epoxy resin containing a polyamine hardener while the elastomer is e.g. an acrylonitrile-butadiene copolymer containing precipitated silica. Both materials may be injected jointly into a mould in liquid or other form, or one may be injected onto a preform of the other. Alternatively completely reacted moulds of both may be compacted in a mould for reaction. |
