| 摘要 |
<p>PCT No. PCT/EP94/01152 Sec. 371 Date Dec. 12, 1995 Sec. 102(e) Date Dec. 12, 1995 PCT Filed Apr. 14, 1994 PCT Pub. No. WO94/25509 PCT Pub. Date Nov. 10, 1994Described is a method of extruding a cross-linked polymer, the method calling for the polymer to be cross-linked to be extruded in granular or powder form with liquid additives. The method is characterized in that a granular or powder-form polymer with a fissured, porous surface is used. This granular/powder-form polymer with an irregular surface structure is fed through a feed line to a mixing zone by injecting at least one liquid cross-linking additive and subsequently extruding the mixture in an extrusion press. Obtained during this extrusion is improved distribution of the liquid over the polymeric particles, more uniform grafting of the cross-linking agent on to the polymer and hence, a homogeneously cross-linked product.</p> |
