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US 2022/0143881 A1Published application
Injection molding process using 1k polyurethane
AssigneesHenkel AG & Co. KGaA, Optimel Schmelzgusstechnik GmbH & Co. KG
InventorsJean-Louis REQUIN, Adrian SKORCZ, Guy NAPPO, Matthias BRACHMANN
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Abstract
A method for producing a molded article by injection molding may include using a heat-curable 1K polyurethane (PU) composition, as well as the molded articles obtained using said method.
Claims16
A method for producing a molded article comprising:
- providing a reactive heat-curable one-component polyurethane (PU) composition;
- providing an injection mold assembly defining a cavity and an injection port communicating with the cavity;
- injecting the reactive heat-curable one-component PU composition into the cavity to fill the cavity;
- and
- curing the reactive heat-curable one-component PU composition by heating the injection mold assembly to form the molded article.
2 more elements
Dependencies are inferred from the claim text.