Filling compound for fiber optical cables

Optical waveguides – Optical transmission cable – Loose tube type

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Details

385141, 523173, G02B 644

Patent

active

057374694

ABSTRACT:
Disclosed are hydrophobic compositions useful for filling the voids within jacketed optical fiber cables. The compositions include about 85 to 95 parts by weight of mineral oil, 5 to 15 parts by weight of a (styrene)-(ethylene/propylene) diblock copolymer having a styrene: (ethylene/propylene) ratio of 37.5:62.5 to 27.5:72.5 and a specific gravity of about 0.90 to 0.95, optional antioxidant, and optional metal deactivator.

REFERENCES:
patent: 4639483 (1987-01-01), Billigmeier et al.
patent: 5187763 (1993-02-01), Tu
patent: 5285513 (1994-02-01), Kaufman et al.

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