Stock material or miscellaneous articles – Hollow or container type article – Polymer or resin containing
Patent
1995-03-22
1996-05-28
Nold, Charles R.
Stock material or miscellaneous articles
Hollow or container type article
Polymer or resin containing
428 369, 174 76, 174 93, 174 77R, 174 91, 174 92, F16L 1100
Patent
active
055209742
ABSTRACT:
Flame retarded organopolysiloxane gels suitable for sealing and protecting electrical contacts include (i) an organopolysiloxane gel having repeat units of the structure ##STR1## where each R is independently phenyl or C.sub.1 -C.sub.4 alkyl or fluoroalkyl, at least 40% of the R groups being phenyl; and (ii) an additive package mixed with the organopolysiloxane, which is (a) zinc oxide; (b) antimony oxide; (c) a brominated compound having a molecular weight of at least 450 and a bromine content of at least 40 weight %; (d) a chlorinated compound having a molecular weight of at least 300 and a chlorine content of at least 40 weight %; or (e) combinations of the above. The additive package is used in an amount between about 10 and about 60 parts by weight per 100 parts by weight of organopolysiloxane.
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Chiotis Achilles
Cornelius Rajendra S.
Soni Pravin L.
Burkard Herbert G.
Chao Yuan
Nold Charles R.
Novack Sheri M.
Raychem Corporation
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