Method for forming multi-color products by one-piece molding of supercritical thermoplastic polyurethane (TPU) foaming mold

TW202641692APending Publication Date: 2026-10-16ANCESPRO IND CO LTD
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Patent Information

Application Number
TW114112765
Authority / Receiving Office
TW · TW
Patent Type
Applications
Current Assignee / Owner
Filing Date
2025-04-02
Publication Date
2026-10-16

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Abstract

A method for forming multi-color products by one-piece molding of supercritical thermoplastic polyurethane (TPU) foaming mold, by sequentially performing the surface component manufacturing step, heating step, injection molding step, foaming and welding step, and cooling and curing step, it is possible to obtain products with multiple colors in a single foaming process, there is no need for surface finishing or secondary processing after foaming to achieve color coordination, thus improving production efficiency, saving cost and achieving the sustainable development goal of resource recycling.
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