| 摘要 |
<p>A shaped porous body for filtering and drying gases and liquids is formed of a solid adsorptive drying agent or adsorbent and about between 10 and 0.3 percent of a binding agent relative to the weight of said drying agent or adsorbent, the said binding agent consisting essentially of the reaction product between a di- or polyisocyanate and a polyester or polyetherpolyol which reaction product is hardened to a polyurethane.</p> |
