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Production of amino-functional organosilanes for e.g. glass fiber sizing, foundry processing aids and adhesion promoters for resins involves processing the reaction mixture in crystallizer containing organic/organosilicon liquid
Production of amino-functional organosilanes for e.g. glass fiber sizing, foundry processing aids and adhesion promoters for resins involves processing the reaction mixture in crystallizer containing organic/organosilicon liquid
Production of amino-functional organosilanes (I) by liquid-phase reaction of a halo-functional organosilane (II) with excess amine (III) at elevated temperature and pressure comprises distilling off (III), transferring the liquid phase to a crystallizer containing an organic or organosilicon liquid, distilling off residual (III) under reduced pressure and separating amine hydrohalide from (I). Production of amino-functional organosilanes of formula (I) by liquid-phase reaction of a halo-functional organosilane of formula (II) with excess amine of formula (III) at elevated temperature and pressure comprises distilling off (III), transferring the liquid phase to a crystallizer containing an organic or organosilicon liquid, distilling off residual (III) under reduced pressure and separating amine hydrohalide from (I). (I) R3R4N-(CH2)y-Si(OR1)3-nR2n (II) X-(CH2)y-Si(OR1)3-nR2n (III) HNR3R4 X = Cl, Br or I; R1, R2 = 1-8C alkyl or aryl; y = 2-4; n = 0-3; R3, R4 = H, 1-4C alkyl, aryl or aralkyl.
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机译：在升高的温度和压力下，通过卤代官能有机硅烷（II）与过量胺（III）的液相反应生产氨基官能有机硅烷（I）包括蒸馏（III），将液相转移至含有有机或有机硅液体，在减压下蒸馏出残留的（III），并从（I）中分离出胺氢卤化物。通过式（II）的卤代官能有机硅烷与过量的式（III）的胺在高温和高压下的液相反应制备式（I）的氨基官能的有机硅烷包括蒸馏（III），转移液体。将其加入含有有机或有机硅液体的结晶器中，在减压下蒸馏出残余物（III），并从（I）中分离出胺氢卤化物。 （I）R 3 R 4 N-（CH 2）y-Si（OR 1）3-nR 2 n（II）X-（CH 2）y-Si（OR 1）3 -nR 2 n（III）HNR 3 R 4 X ＝ Cl，Br或I; R 1，R 2 ＝ 1-8C烷基或芳基; y = 2-4; n = 0-3; R 3，R 4 ＝ H，1-4C烷基，芳基或芳烷基。
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