| 摘要 |
<p>To improve the dying characteristics of a synthetic microfibrous non-woven fabric of the suede type and comprising a microfibre matrix impregnated with a polyurethane polymer, the polyurethane polymer used for the impregnation comprises a plurality of tertiary amine units of formula (I), where R, R' and R'', identical or different to each other are alkyl C1-C4.</p> |
