| 摘要 |
A method of stiffening plastically deformable material, newly forming or formed into a shaped body, is disclosed. The method includes; exposing the material, which includes body-forming matter, polar molecules, and a polymeric agent having a thermal gel point, to electromagnetic radiation within the frequency range 107 to 1013 Hertz. The radiation is applied while plastically deformable material is contained in, or as it emerges from a forming member in the shape of a body.
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