PHENOLIC RESIN MOLDING MATERIAL
PURPOSE:To provide a phenolic resin molding material which gives moldings which can pass food sanitation tests and have a low specific gravity, a low thermal conductivity and good coatability and is suitable for use in the production of table wares, by blending cork wood flour with a phenolic resin...
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Zusammenfassung: | PURPOSE:To provide a phenolic resin molding material which gives moldings which can pass food sanitation tests and have a low specific gravity, a low thermal conductivity and good coatability and is suitable for use in the production of table wares, by blending cork wood flour with a phenolic resin in a specified weight ratio. CONSTITUTION:Cork wood flour is blended with a phenolic resin such as a novolak or resol type phenolic resin in such a proportion that the quantity of the wood flour accounts for 15-75wt% of the entire quantity of the material. Optionally, additives such as hardener, inorg. filler, mold release agent, colorant, etc. are added thereto, thus obtaining the desired phenolid resin molding material. A preferred example of the cork wood flour is cork wood flour. When the particle size of the powder is adjusted to 40-150 mesh, dispersibility, coatability, etc. can be further improved. |
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