Process for preparing thermosettable polyurethane which comprises blending a polyisocyanate with a first thermoplastic resin and then blending with a second thermoplastic resin which is a polyurethane
AssigneesDainichiseika Color & Chemicals Mfg. Co., Ltd., Ukima Colour & Chemicals Mfg. Co., Ltd.
InventorsHideyasu Torii, Susumu Nakamura
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Abstract
A thermosettable polyurethane product is prepared by blending a compound having two or more terminal isocyanate groups to a thermoplastic resin which is inert to said isocyanate group to prepare an isocyanate compound batch, and further blending the isocyanate compound batch to a thermoplastic polyurethane resin and fabricating the resulting mixture.
Claims5
A process for preparing a thermosettable polyurethane product which comprises blending a compound having two or more terminal isocyanate groups with a thermoplastic resin which is inert to an isocyanate group to prepare an isocyanate compound batch and further blending the isocyanate compound batch with a thermoplastic polyurethane resin and fabricating the resulting mixture.
Dependencies are inferred from the claim text.