A method of making molded parts having smooth surface and molded parts made thereof
AssigneeConstruction Research & Technology GmbH
InventorsHiromitsu KOYAMA, Jing CUI, Siddharth ROY CHOWDHURY, Xue Wu RAO
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Abstract
The invention relates to a method of making parts of construction materials by using a mold coated with multiple resin-based layers comprising at least an epoxy resin-based primer and a polyurethane resin-based demolding layer, wherein the mold can be used for multiple cycles after curing and demolding. The invention also relates to the resin-coated mold and the cured parts of construction materials having smooth surface made thereof.
Claims27
A mold for molding construction materials characterized in that the mold is coated with multiple resin-based layers comprising at least a first epoxy resin-based primer layer and a second polyurethane resin-based demolding layer.
Dependencies are inferred from the claim text.