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    • 3. 发明授权
    • Stabilized 1,1,1-trichloroethane
    • 稳定的1,1,1-三氯乙烷
    • US3974230A
    • 1976-08-10
    • US530588
    • 1974-12-09
    • Wesley L. ArcherDavid R. Spencer
    • Wesley L. ArcherDavid R. Spencer
    • C07C17/00C07C17/42C07C19/05C07C67/00C23F11/12C23F11/14C23G5/028C07C17/40
    • C23G5/02887C07C17/42
    • 1,1,1-trichloroethane containing as the essential metal stabilizers (1) from 3.5 to 6 volume percent of (a) a mixture of 3-methyl-1-butyn-3-ol ##EQU1## and tertiary amyl alcohol ##EQU2## wherein said 3-methyl-1-butyn-3-ol is present in at least 1.75 volume percent of said mixture or (b) 3.5 volume percent 3-methyl-1-butyn-3-ol; (2) 0.5 to 2 volume percent of a nitroalkane selected from nitromethane or a mixture of nitromethane and nitroethane, said nitromethane or mixture of nitroalkanes being present in at least 1.0 volume percent when said mixture (1a) is 3.5 volume percent and 0.75 volume percent when said (1b) is 3.5 volume percent; and, (3) 0.5 to 1 volume percent of an alkylene oxide having 4 to 6 carbon atoms including cyclohexene oxide as the essential acid acceptor. A preferred composition consists of 2 volume percent each of 3-methyl-1-butyn-3-ol and tertiary amyl alcohol, 1.0 volume percent nitromethane and 0.75 volume percent 1,2-butylene oxide.
    • 含有作为必需金属稳定剂(1)的1,1,1-三氯乙烷,3.5至6体积%的(a)3-甲基-1-丁炔-3-醇CH 3 |(CH 3 -CC 3 CH 3) OH和叔戊醇CH3 |(CH3-C-CH2-CH3)| OH,其中所述3-甲基-1-丁炔-3-醇存在于至少1.75体积%的所述混合物中,或(b)3.5体积%3 - 甲基-1-丁炔-3-醇; (2)0.5至2体积%的选自硝基甲烷或硝基甲烷和硝基乙烷的混合物的硝基烷烃,当所述混合物(1a)为3.5体积%和0.75体积%时,所述硝基甲烷或硝基烷烃的混合物以至少1.0体积%存在 当所述(1b)为3.5体积%时; 和(3)0.5〜1体积%的碳原子数为4〜6的烯化氧,包括环己烯氧化物作为必需酸受体。 优选的组合物由3-甲基-1-丁炔-3-醇和叔戊醇的2体积%,1.0体积%的硝基甲烷和0.75体积%的1,2-环氧丁烷组成。