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    • 7. 发明申请
    • METHOD FOR THE CONTINUOUS PRODUCTION OF SILANE TERMINATED PRE-POLYMERS
    • 连续生产硅烷末端预聚物的方法
    • US20120004374A1
    • 2012-01-05
    • US13255183
    • 2010-03-01
    • Volker StanjekWolfgang Wewers
    • Volker StanjekWolfgang Wewers
    • C08G18/12
    • C08G18/718C08G18/10C08G18/4825C08G18/65C08G18/837C08G2101/0025C08K5/01C08K5/06C08L75/04C08L75/12C08G18/289C08L2666/28
    • The invention relates to the continuous production of prepolymers (A) having end groups of the general formula (1): (R1)a(R2)3-aSi—X-A, wherein the end groups (1) can be identical or different, A is a two-band link group selected from —(R3)N—CO—NH—, —HN—CO—N(R3)—, —O—CO—HN—, —HN—CO—O—, S—CO—HN—, —HN—CO—S—, X is a two-band, linear or branched alkyl group, optionally substituted with halogen atoms, having 1-10 carbon atoms, R1 is an alkyl, cycloalkyl, alkenyl or aryl residue, optionally substituted with halogen, having 1-10 carbon atoms, R2 is an alkoxy residue —OR3, an acetoxy residue —O—CO—R3, an oxime radical —O—N═C(R3)2 or an amine residue —NHR3 or —NR32R3 is hydrogen, a linear, cyclical or branched radical, substituted with heteroatoms, having 1 to 18 carbon atoms, R4 is a linear, branched or cross-linked polymer radical, a is 0, 1 or 2, and n is a whole number that is at least 1, wherein the prepolymers (A) are produced by a continuous method comprising at least one reaction of an isocyanate group (—N═C═O) having at least one isocyanate reactive group, that is carried out continuously in at least one reactor (R), that enables heat dissipation capacities of greater than 5 kW/(m3·K) in the laminar flow region.
    • 本发明涉及具有通式(1)的端基的预聚物(A)的连续制备:(R1)a(R2)3-aSi-XA,其中端基(1)可以相同或不同,A 是选自 - (R3)N-CO-NH-,-HN-CO-N(R3) - , - O-CO-HN-,-HN-CO-O-,S-CO -HN-,-HN-CO-S-,X是任选被具有1-10个碳原子的卤素原子取代的双带直链或支链烷基,R1是烷基,环烷基,链烯基或芳基残基, 任选被卤素取代,具有1-10个碳原子,R2是烷氧基残基-OR3,乙酰氧基残基-O-CO-R3,肟基-O-N = C(R3)2或胺残基-NHR3或 -NR 32 R 3是氢,被具有1至18个碳原子的杂原子取代的直链,环状或支链基,R4是直链,支链或交联的聚合物基团,a是0,1或2,n是整数 数量至少为1,其中预聚物(A)是产品 通过包括在至少一个反应器(R)中连续进行的具有至少一个异氰酸酯反应性基团的异氰酸酯基(-N = C = O)的至少一个反应的连续方法来实现,其能够使 在层流区域大于5kW /(m3·K)。