Oil composition containing siloxane with good spreading property
An organosiloxane and composition technology, applied in the field of asymmetric substituted polysiloxanes, can solve the problems of lack of compatibility, the ability to spread oil products is not always satisfactory, etc., and achieve improved compatibility Effect
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example 1
[0090] Example 1 :Hydroalkylation of asymmetric hydrogen siloxane
[0091] In a four-necked flask equipped with a stirrer, a thermometer, a dropping funnel and a reflux condenser, protected by an inert gas with nitrogen, 61.6g (0.12mol) of an ethylene oxide-propylene oxide copolymer monoallyl A mixture of ether (80mol% propylene oxide, iodine value 50.9) and 0.04g of hexachloroplatinic acid (10% w / w in isopropanol) was heated to 115°C, and 224g was slowly added through a dropping funnel according to US Patent 5,204,438 Prepared α-hexadecyl-ω-SiH functionalized siloxane (0.041% w / w hydrogen). The reaction mixture was stirred at 120°C and the reaction was monitored by the drop in siloxane bound hydrogen. The reaction mixture was kept at this temperature until the conversion was complete (3 hours). The polysiloxane was mixed with Penreco mineral oil (Drakeol 10B LT 14109 K9014) at a concentration of 5% w / w to obtain a clear oil composition with a dynamic surface tension of 24.0 dyn...
example 2
[0092] Example 2 :Synthesis of a siloxane composition containing asymmetric siloxane
[0093] In a four-necked flask equipped with a stirrer, thermometer, dropping funnel and reflux condenser, with nitrogen for inert gas protection, 27.7g (0.12mol) 1-hexadecene, 61.6g (0.12mol) of one A mixture of ethylene oxide-propylene oxide copolymer monoallyl ether (80mol% propylene oxide, iodine value 50.9) and 0.08g of hexachloroplatinic acid (10% w / w in isopropanol) is heated to 115°C, And slowly add 209 g of an α,ω-SiH functionalized siloxane (0.092% w / w hydrogen). The reaction mixture was stirred at 120°C for one hour until the conversion was complete.
example 3
[0094] Example 3 :Synthesis of a siloxane composition containing asymmetric siloxane
[0095] In a four-necked flask equipped with a stirrer, a thermometer, a dropping funnel and a reflux condenser, with nitrogen for inert gas protection, 20.4g (0.09mol) of 1-hexadecene, 45.4g (0.09mol) of one A mixture of ethylene oxide-propylene oxide copolymer monoallyl ether (80mol% propylene oxide, iodine value 50.9) and 0.09ml of hexachloroplatinic acid (10% w / w in isopropanol) is heated to 115°C, And slowly add 213.8g of an α,ω-SiH functionalized siloxane (0.066% w / w hydrogen). The reaction mixture was stirred at 120°C for 1.25 hours until the conversion was complete.
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