Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From silicon reactant having at least one...
Patent
1998-12-21
2000-01-11
Moore, Margaret G.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
From silicon reactant having at least one...
528 35, 556434, 556435, C08G 7720
Patent
active
060137533
ABSTRACT:
An organosilicon compound comprising one aliphatic unsaturation described by formula ##STR1## where each R.sup.1 is an independently selected hydrocarbon radical free from aliphatic unsaturation comprising 1 to about 18 carbon atoms; each R.sup.2 is an independently selected hydrocarbon radical free from aliphatic unsaturation comprising 1 to about 18 carbon atoms; each X is independently selected from the group consisting of halogen, alkoxy, acyloxy, and ketoximo; t is 2 or 3; n is 0, 1, or 2; u is 0 or 1; each Z is independently selected from the group consisting of divalent hydrocarbon radicals free of aliphatic unsaturation comprising about 2 to 18 carbon atoms and a combination of divalent hydrocarbon radicals and siloxane segments; and Y is selected from the group consisting of hydrocarbon radicals comprising one aliphatic unsaturation and 2 to about 18 carbon atoms and a combination of hydrocarbon radicals, siloxane segments, and a divalent hydrocarbon radical free of aliphatic unsaturation comprising about 2 to 18 carbon atoms. The organosilicon compounds comprising one aliphatic unsaturation of the present invention are useful as endcappers for polymers.
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Krahnke Robert Harold
Lueder Timothy B.
Palmer Richard Alan
Shephard Nick Evan
Dow Corning Corporation
Moore Margaret G.
Scaduto Patricia M.
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