SPANDEX-FIBER POLYURETHANEUREA POLYMERS PREPARED USING 1,3-DIAMINOPENTANE AS CHAIN EXTENDER
摘要
<p>A polyurethaneurea polymer and spandex spun therefrom, based on polymeric ester or ether glycols and MDI at certain capping ratios, and 1,3-diaminopentane chain extender, are provided.</p>
