preimpregnation

preimpregnation

[¦prē·im‚preg′nā·shən]
(engineering)
The mixing of a plastic resin with reinforcing material or substrate before molding takes place.
References in periodicals archive ?
Contract notice: Cleaning trolley for preimpregnation method.
Sacher's contributions to the plastics industry include: application of X-ray diffraction to establish the existence of side-chain crystallization in higher alkyl acrylate polymers and infrared to characterize the structure of polymers; early elucidation of polymer structure by means of infrared spectroscopy--in the late 1940s; the development of a continuous resin preimpregnation process to replace cumbersome hand wet lay-ups for the manufacture of reinforced plastics, e.
Results showed that while borate preimpregnation before varnish coating increased surface hardness and gloss of wood surface, it decreased coating adhesion.
Borate preimpregnation increased the gloss of the coating.