C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
C08L 23/04 (2006.01) C08L 23/10 (2006.01) H01B 3/44 (2006.01)
Patent
CA 2105896
ABSTRACT The current invention consists in the modification of the polyethylene that are usually employed for the application of the "Sloplas" reticulation process with polypropylene (PP). The polypropylene presents a softening point between 155 up to 165°C, which guarantees, up to 130°C, the dimensional stability of the extruded material. The mixture of the PP with low density poly- ethylene (LDPE) or low density linear polyethylene (LLDPE) or co- polymeric polyethylene of ethylene vinyl acetate (EVA) in an adequate concentration is the solution for the contraction prob- lem. The selection of the type of polypropylene and of the blendization process that are adequate is the solution for the formation of a polymeric fusion. The co-polymeric polypropylenes of ethylene, with a level of ethylene beginning at 6%, are usually adequate to promote the blendization.
Goncalves Jose Francisco
Picoli Valter Marques
Pirelli Cabos S/a
Smart & Biggar
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