Extrusion Polymerization: Synthesis of Extended–Chain Crystalline Linear Polyethylene Nanofibers by a Supported Titanocene within a Mesoporous Silica.

Keisuke Kageyama, Jun-ichi Tamazawa, and Takuzo Aida

Science, 1999, 285, 2113–2115.

[DOI: 10.1126/science.285.5436.2113]

Extrusion Polymerization for Controlled Macromolecular Synthesis
  Crystalline nanofibers of linear polyethylene with an ultrahigh molecular weight were formed in an “extruded” manner by the polymerization of ethylene with mesoporous silica bearing catalysts in the inner surface.
 Science Compass/C&EN