Abstract:
1,202,498. Silyl isocyanurates; polysiloxane adhesive compositions. GENERAL ELECTRIC CO. 19 Aug., 1968 [20 Sept., 1967], No. 39645/68. Headings C3S and C3T. The invention comprises silyl isocyanurates of the formula wherein R is a C 1 _ 8 alkyl radical, R 1 is a monovalent saturated hydrocarbon or halohydrocarbon radical, R 11 is a divalent saturated hydrocarbon or halohydrocarbon radical, G is a radical R 1 or (RO) 3-a R 1 a SiR 11 - or a monovalent unsaturated hydrocarbon or halohydrocarbon radical and a is 0, 1, 2 or 3. They may be prepared by reaction of appropriate amounts of the hydrosilane (RO) 3-a R 1 a SiH with the corresponding unsaturated isocyanurate i.p.o. a Pt catalyst; the trisilyl isocyanurate may be obtained also by reaction of the silylorganohalide with a metal cyanate in an aprotic solvent. In Examples 1-3 trimethoxysilane is reacted with triallyl isocyanurate in molar ratios of 1, 2 and 3: 1 to give the corresponding mono-, di- and tri-silyl isocyanurates. In Example 4 phenyldiethoxysilane is reacted with allyl dipropyl isocyanurate. Two parts by weight of the tris(trimethoxysilylpropyl)isocyanurate of Example 3 are mixed with 100 of a hydroxy-terminated polydimethylsiloxane, 150 of a silica filler and 0À8 of a curing catalyst to give a room temperature vulcanizing (RTV) composition used to bond plywood strips.
Abstract:
CERTAIN BIS(ORGANOFUNCTIONAL-ALKYL)SILANES ARE PROVIDED. THESE MATERIALS HAVE THE FORMULA:
(1) QQ''SIYY''
WHERE Q IS AN ORGANOFUNCTIONAL RADICAL; Q'' IS AN ORGANOFUNCTIONAL RADICAL OR A SILALKYLENE GROUP HAVING AN ORGANOFUNCTIONAL RADICAL; Y IS A HALIDE SUBSTITUENT; AND Y'' IS A HALIDE SUBSTITUENT OF A MONOVALENT HYDROCARBON RADICAL, FREE OF ALIPHATIC UNSATURATION. THE MATERIALS ARE USEFUL AS GLASS SIZINGS, FABRIC STIFFENERS, METAL PROTECTANTS, AND AS INTERMEDIATES FOR THE PRODUCTION OF VARIOUS USEFUL ORGANOPOLYSILOXANES.
Abstract:
ORGANOFUNCTIONAL ALKYL SILICON MATERIALS ARE PROVIDED HAVING, THE ADDITION, A CYANOALKYL SUBSTITUENT. THESE COMPOUNDS ARE REPRESENTED BY THE FORMULA:
(1) QZSIYY''
WHERE Q IS A CYANOALKYL RADICAL, Z IS AN ORGANOFUNCTIONAL RADICAL, AN UNSATURATED ALIPHATIC HYDROCARBON RADICAL, OR A SILALKYLENE GROUP, Y IS A HALOGEN, AND Y'' IS Y OR A MONOVALENT HYDROCARBON RADICAL FREE OF ALIPHATIC UNSATURATION. THESE ORGANOFUNCTIONAL-ALKYL SILANES CAN BE EMPLOYED AS INTERMEDIATES FOR MAKING ORGANOSILICON POLYMERS.
Abstract:
A METHOD IS PROVIDED FOR MAKING VARIOUS NITROGENCONTAINING ORGANOSILICON COMPOUNDS, SUCH AS SILYLORGANOISOCYANATES, THE CORRESPONDING CARBAMATE AND ISOCYANURATES. THE METHOD INVOLVES CONTACTING SILYLORGANOHALIDE AND A METAL CYANNATE IN THE PRESENCE OF A SUITABLE APROTIC SOLVENT. NITROGEN-CONTAINING ORGANOSILICON COMPOUNDS ARE PROVIDED HAVING SILICON AND NITOGEN ATOMS SEPARATED BY A DIVALENT HYDROCARBON RADICAL. IN INSTANCES WHERE A URETHANE IS DESIRED, AN APPROPRIATE ALIPHATIC MONOHYDRIC ALCOHOL CAN BE UTILIZED IN COMBINATION WITH THE SILYLORGANOHALIDE AND METAL CYANATE. THE SUBJECT NITROGEN-CONTAINING ORGANOSILICON COMPOUNDS CAN BE UTILIZED FOR MAKING SILICON-ORGANIC COPOLYMERS AND AS TREATING AGENTS FOR IMPARTING WATER REPELLENCY TO VARIOUS SUBSTRATES.