Kansai Paint Company, Ltd.

Tetsu Maki

Naozumi Iwasawa

Hideo Kogure

Toshiaki Nagano

Kenji Seko

Tetsuo Ogawa

An electromagnetic wave reflection-preventing material having a structure formed by successively laminating (A) an electromagnetic wave reflecting material layer, if needed, (B) a supporting layer, (C) a resin layer, if needed, (D) a supporting layer, and (E) a metallic pattern layer prepared by arranging at least one of a pattern unit comprising a geometrical pattern formed by use of a continuous metallic band, or comprising a multi-figured structure formed by combining a plurality of band-shaped metallic figures so as not to contact with each other; and an electromagnetic wave reflection-preventing method by use of the electromagnetic wave reflection-preventing material.

Electromagnetic wave reflection-preventing material and electromagnetic

An electromagnetic wave reflection-preventing material having a structure formed by successively laminating (A) an electromagnetic have reflecting metallic material layer, if needed, (B) a substrate layer, (C) a resin layer containing a powder of at least one selected from ferrite, carbon, metal powder and an electrically conductive metallic oxide, and, if needed, a good dielectric material, if needed, (D) a supporting film layer, and (E) a pattern coating layer prepared in the form of a geometrical pattern, containing a metal powder and having a volume resistivity of 10.sup.-3 to 10.sup.10 .OMEGA..multidot.cm, preferably further laminating (F) a clear or colored coating layer; and an electromagnetic wave reflection-preventing material which is obtained by substituting (G) a molded sheet layer formed by coating a coating composition prepared by dispersing the above powder into a binder onto a substrate having void, and molding under pressure for (C) a resin layer; and an electromagnetic wave reflection-preventing method which comprises applying the electromagnetic wave reflection-preventing material onto a structure, or which comprises applying a laminate obtained by removing the electromagnetic wave reflecting metallic material layer (A) from the electromagnetic wave reflection-preventing material onto an electromagnetic wave reflecting structure having a metallic surface.

An electromagnetic wave reflection-preventing material having a structure formed by a process which comprises successively laminating (A) a pattern layer formed in the form of a geometrical pattern having a volume resistivity of 10.sup.3 .OMEGA. . cm or less, if needed, (B) a supporting layer, (C) a resin layer, and, if needed, (D) a supporting layer, to form a laminate unit, laminating a pluralitry of the laminate unit so that the layer (A) may face on the layer (C) or (D) to form a multiple laminate unit structure, and laminating the multiple laminate unit structure onto (E) an electromagnetic wave reflecting material layer so that the layer (C) or (D) of the multiple laminate unit structure may face on the layer (E), preferably further laminating a clear or colored coating layer onto the uppermost metallic pattern layer of the electromagnetic wave, reflection-preventing material; and an electromagnetic wave reflection-preventing method which comprises applying the electromagnetic wave reflection-preventing material onto a structure, or which comprises applying the multiple laminate unit structure obtained by removing the electromagnetic wave reflecting material layer (E) from the electromagnetic wave reflection-preventing material onto an electromagnetic wave reflecting structure having a metallic surface.

A photopolymerizable composition comprising:

Epoxy based photopolymerizable composition

Disclosed is a coating composition for metals containing (A) a modified bisphenol type epoxy resin and (b) a phenol resin and/or an amino resin, which composition has excellent properties in fabricating properties, corrosion resistance, etc. and is suitably applicable to both inner and outer surfaces of the vessels for use in food and drink.

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Hiratsuka, Japan

Tetsu Maki