Coating processes – With post-treatment of coating or coating material – Heating or drying
Patent
1996-05-28
1997-05-27
Pianalto, Bernard
Coating processes
With post-treatment of coating or coating material
Heating or drying
427 58, 427289, 427294, B05D 302
Patent
active
056330421
ABSTRACT:
In a process for manufacturing a prepreg for use as an electrically insulating material, a main epoxy resin composition and a subsidiary resin composition containing a hardener which have been separately filtered and metered are quickly mixed into a mixture resin composition, a reinforcing member is coated with a uniformly thin film of the mixture resin composition by a die coater under specific temperature, average residence time and low shear conditions, the coated reinforcing member is heated in non-contact manner by an infrared ray heater to have the member impregnated with the resin composition of the film, the member is further heated in non-contact manner by a floating dryer to have the resin composition semi-hardened, and the member is unified through compaction rolls, whereby the prepreg in the form of a sheet-shaped fiber reinforced composite material is continuously manufactured.
Atsumi Akihiro
Fukuda Takayuki
Fukuhara Yasuo
Hatta Yukio
Matsumura Masahiro
Matsushita Electric & Works Ltd.
Pianalto Bernard
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