Photo-crosslinkable polyolefin compositions

Details Photo-crosslinkable polyolefin compositions Photo-crosslinkable polyolefin compositions

2007-02-28

2010-06-29

Berman, Susan W (Department: 1796)

Plastic and nonmetallic article shaping or treating: processes

Direct application of electrical or wave energy to work

Extrusion molding

C427S517000, C427S508000, C264S494000, C522S150000, C522S153000

Reexamination Certificate

active

07744803

ABSTRACT:
A photo-crosslinkable polyolefin composition comprises a polyolefin, a source of functionality receptive to crosslinking by UV radiation, a cationic photoinitiator and optionally includes a free-radical photoinitiator, a crosslinking accelerator or sensitizer, and other additives such as compatibilizers, inorganic fillers, nanofillers, glass, polymeric and ceramic microspheres, glass fibres, flame retardants, antioxidants, stabilizers, processing aids, foaming agents and pigments. A method for manufacturing a UV-crosslinked polyolefin article comprises forming an article by extruding, moulding or otherwise forming the UV-crosslinkable polyolefin composition and subjecting the article to UV radiation on-line with the extrusion, moulding or other forming operation.

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