Compositions: coating or plastic – Coating or plastic compositions – Contains fireproofing or biocidal agent
Patent
1993-12-01
1995-08-15
Green, Anthony
Compositions: coating or plastic
Coating or plastic compositions
Contains fireproofing or biocidal agent
10628714, 10628715, 10628716, 252602, 2523151, 2523156, 524409, 524410, 524412, 524432, C09K 2106, C09K 2108
Patent
active
054415608
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 Rejendra S.
Soni Pravin L.
Burkard Herbert G.
Chao Yuan
Green Anthony
Novack Sheri M.
Raychem Corporation
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