Process for producing molded articles with uneven pattern
AssigneeMitsubishi Gas Chemical Company, Inc.
InventorsSeizo Yabe, Kunio Yamazaki
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Abstract
A process for producing a synthetic resin molded article having a pattern formed on its uneven surface, which comprises fitting a patterned film or sheet to a mold and injecting a thermoplastic resin, wherein said mold has engraved therein such an unevenness that said patterned film or sheet undergoes extension of from 5 to 120% upon resin injection, and said patterned film or sheet is a polycarbonate film or sheet having a thickness of from 0.1 to 1 mm. The resulting molded article has a clearly outlined pattern on the uneven surface.
Claims3
A process for producing a synthetic resin molded article having a pattern formed on its uneven surface, which comprises fitting a patterned film or sheet to a mold and injecting a thermoplastic resin, wherein said mold has engraved therein a sharp unevenness such that said patterned film or sheet undergoes extension of from 5 to 120% upon resin injection, said patterned film or sheet is a polycarbonate film or sheet having a thickness of from 0.3 to 1 mm, and said polycarbonate film or sheet has formed a pattern on its side to be in contact with the engraved side of the mold so that the pattern does not directly contact the injected resin.
Dependencies are inferred from the claim text.