| 摘要 |
<p>A method for preparing a block copolymer of an ether free polylactam and a polyetheramide, e.g., poly(4,7-dioxade-camethylene adipamide) involves polymerizing a lactam, e.g., caprolactam, in contact with the polyetheramide. Resulting block copolymer has utility, e.g., as a fiber.</p> |
