| 摘要 |
<p>A process for the recovery of polyurethane (1) intended to make up for the loss of the product in plants or installations which employ polyurethane as raw material, which comprises selecting the material for separation of colours, removing foreign elements, washing said material, cutting it up and having it mixed with unused material in a proportion of 10% to 25% by weight of the cut material, and compressing and heating it to between 140 and 160 DEG C. <IMAGE></p> |
