Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...
Patent
1987-12-09
1990-12-18
Bleutge, John C.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
At least one aryl ring which is part of a fused or bridged...
524862, 524861, 528 15, 528 23, C08L 8305
Patent
active
049787101
ABSTRACT:
A method of obtaining an aqueous silicone emulsion which dries to an elastomer comprises mixing (1) hydroxyl endblocked polydiorganosiloxane free of aliphatic unsaturation, (2) silicon hydride crosslinker, (3) platinum compound catalyst compatiable with the polydiorganosiloxane, (4) catalyst inhibitor, (5) anionic or nonionic surfactant, and (6) water and polymerizing the polydiorganosiloxane. These ingredients can be combined in emulsion form following three differing versions of a method of combining the ingredients and polymerizing the polydiorganosiloxane. In each case, the emulsion, which may also contain filler, is useful as a coating or sealant.
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Bleutge John C.
Dean Jr. R.
Dow Corning Corporation
Elliott Edward C.
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