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US 12,703,789 B2Granted
Molded article with metallic appearance
AssigneeThe Procter & Gamble Company
InventorsFang Chen, Fangyu Cheng, Wenlong Pang, Zhan Cheng, Ruizhi Pei, Zihui Xu, Ping Wang
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Abstract
The present invention relates to a molded article with a sufficiently metallic appearance and a sufficient degree of brightness.
Claims15
A molded article having at least one part that comprises at least one layer comprising:
- a) from 50% to 99.98% of a thermoplastic material by weight of said layer;
- b) from 0.01% to 40% of metallic flakes by weight of said layer;
- and
- c) from 0.01% to 40% of solid particles by weight of said layer,
- wherein said solid particles are characterized by a Specular Reflection Ratio of from 0.4 to 0.8 and a Light Transmittance of from 40% to 95%, and wherein the weight ratio of said solid particles to said metallic flakes ranges from 2 to 50.
2 more elements
A process for making a molded article, comprising the steps of:
- a) mixing a molten thermoplastic material, metallic flakes, and solid particles to form a blend, wherein the blend comprises from 50% to 99.98% by weight of said molten thermoplastic material, from 0.01% to 40% by weight of said metallic flakes, and from 0.01% to 40% by weight of said solid particles;
- wherein said solid particles are characterized by a Specular Reflection Ratio of from 0.4 to 0.8 and a Light Transmittance of from 40% to 90%;
- and wherein the weight ratio of said solid particles to said metallic flakes ranges from 2 to 50;
- b) extruding or injecting said blend, either alone or together with one or more other blends, to form a parison or a preform;
- and
- c) blowing said parison or preform inside a mold to form a molded article,
- wherein said molded article has at least one part that comprises at least one layer that is formed by said blend.
4 more elements
Dependencies are inferred from the claim text.