| 摘要 |
<p>Amine derivatives useful as corrosion and gas hydrate inhibitors on and in equipment for extracting and transporting hydrocarbons in crude oil extraction and processing. Amine derivatives of formula R1-N+>(R1)(R3)-(A-O)n-[CHR5]x-X-C(O)-B-(O-A)m-O-R4 (I), are new. R1,R21-22C alkyl, 2-22C alkenyl, 6-30C aryl or 7-30C alkylaryl; R31-22C alkyl, 2-22C alkenyl, 6-30C aryl or 7-30C alkylaryl, -CHR6COO-> or -O->; A : 2-4C alkylene; B : 1-10C alkylene; X : O or NR7; R6,R7H, 1-22C alkyl, 2-22C alkenyl, 6-30C aryl or 7-30C alkylaryl; R41-50C alkyl, 2-50C alkenyl radical, 6-50C aryl or 7-50C alkylaryl; R5H, -OH or 1-4C alkyl radical; n,m : 0 - 30; x : 1 - 6. An independent claim is also included for the use of (I) as corrosion and gas hydrate inhibitors.</p> |
