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A process for producing high-performance polyurethane elastomer, featuring pre-polymerization of polyester diol and diisocyanate, then undergoing reaction extrusion by sending the prepolymerized product and chain elongation agent into the dual spiral-rod extruder through measuring gear pump to yield polyurethane elastomer of superior physical and chemical properties, which is then used to produce elastic fibers of polyurethane through melt spinning.
TW086115297A1997-10-171997-10-17Method of producing high-performance polyurethane elastic fibers
TW358833B
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