| 摘要 |
The invention provides the use of compounds of the formula (1) where R1, R2 are each independently C1- to C22-alkyl, C2- to C22-alkenyl, C6- to C30-aryl or C7- to C30-alkylaryl, R3 is C1- to C22-alkyl, C2- to C22-alkenyl, C6- to C30-aryl or C7- to C30-alkylaryl, -CHR6COO- or -O-, A is a C2- to C4-alkylene group, B is a C1- to C10-alkylene group, X is O or NR7 R6, R7 are each independently hydrogen, C1- to C22-alkyl, C2- to C22-alkenyl, C6- to C30-aryl or C7- to C30-alkylaryl, R4 is a C1- to C50-alkyl, C2- to C50-alkenyl radical, C6- to C50-aryl or C7- to C50-alkylaryl, R5 is hydrogen, -OH or a C1- to C4-alkyl radical, n, m are each independently a number from 0 to 30, x is a number from 1 to 6, as corrosion and gas hydrate inhibitors, and also the compounds of formula 1.
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