| 摘要 |
<p>Die (12) for extruding a melt of a polymer blend comprising droplets from a first polymer phase dispersed in a polymer matrix, which is incompatible with said first polymer phase, said die (12) comprising a conical converging section (18) prolonging the dispersed droplets in the flow direction and a diverging section (19) broadening said dispersed droplets in a direction perpendicular to but within the same plane as the flow direction. <IMAGE></p> |
