G - Physics – 02 – B
Patent
G - Physics
02
B
G02B 6/44 (2006.01) C08K 3/36 (2006.01) H01B 3/20 (2006.01) H02G 15/00 (2006.01)
Patent
CA 2112900
FILLING COMPOSITIONS FOR OPTICAL FIBER CABLE AND CABLE CONTAINING THE SAME ABSTRACT The instant invention relates to a filling composition for optical fiber cable, and a fiber optic cable comprising a protective jacket carrying a fiber optic element therein and the filling composition, in which the filling composition comprises hydrophobic fumed silica; an organic oil; and a thermal oxidative stabilizer (A,B), wherein the stabilizer is at most monofunctional with respect to ability to hydrogen bond with the fumed silica. Preferably, the thermal oxidative stabilizer (A,B) is a hindered phenol and the organic oil, which preferably is apolyalkene oil or a mixture of polyalkene oils, has a viscosity of greater than about 1000 cps at 25°C. The organic oil comprises at least one molecular weightfraction; preferably, the maximum molecular weight for each fraction of the organic oil is less than about 4000 and at least about 80% by weight of the molecules in the organic oil have a minimum molecular weight of about 800.
Levy Alvin C.
Patterson Jerry J.
Alvin C. Levy And Associates Inc.
Finlayson & Singlehurst
Master Adhesives Inc.
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