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PURE OR MIXED GRAFTED THERMOSETTING THERMOPLASTIC POLYURETHANE, AND THERMOSET POLYURETHANE OBTAINED AFTER CROSSLINKING
PURE OR MIXED GRAFTED THERMOSETTING THERMOPLASTIC POLYURETHANE, AND THERMOSET POLYURETHANE OBTAINED AFTER CROSSLINKING
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机译:纯或混合接枝热固性聚氨酯,并在交联后获得热固性聚氨酯
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摘要
Thermoplastic polyurethane, either alone or blended with other polymers, are grafted with diisocyanate trimers or blocked isocyanates. The thermoplastic polyurethane is crosslinked at a temperature above 85° C. to make the composition thermosetting. The crosslinked compositions have low compression set and are insoluble in THF.
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