Photo-crosslinkable polyolefin compositions

Details Photo-crosslinkable polyolefin compositions Photo-crosslinkable polyolefin compositions

2011-04-12

2011-04-12

Berman, Susan W (Department: 1765)

Stock material or miscellaneous articles

Composite

Of addition polymer from unsaturated monomers

C428S523000, C522S111000, C522S121000, C524S430000, C524S431000, C525S208000, C525S227000, C525S240000, C526S329000, C526S348000, C526S348100

Reexamination Certificate

active

07923121

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 fibers, 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, molding or otherwise forming the UV-crosslinkable polyolefin composition and subjecting the article to UV radiation on-line with the extrusion, molding or other forming operation.

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