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    • 9. 发明授权
    • Liquid compositions containing thiocarbamates and polyoxyalkylene
glycols or carboxylic esters
    • 含有甲硫氨酸的液体组合物和聚氧乙烯甘油或羧酸酯
    • US5158698A
    • 1992-10-27
    • US571567
    • 1990-05-29
    • Scott T. JolleyBetsy J. Butke
    • Scott T. JolleyBetsy J. Butke
    • C07G99/00C09K5/04C10M105/72C10M135/18C10M171/00C10N40/30
    • C07G17/002C09K5/045C10M105/72C10M135/18C10M171/008C09K2205/24C10M2219/066C10N2240/00C10N2240/22C10N2240/30C10N2240/50C10N2240/52C10N2240/54C10N2240/56C10N2240/58C10N2240/60C10N2240/66
    • A liquid composition is described which comprises(A) a major amount of at least one fluorine containing hydrocarbon containing one or two carbon atoms; and(B) a minor amount of at least one soluble organic lubricant comprising at least one organic thiocarbamate characterized by the formulaeR.sub.1 R.sub.2 NC(X)SC(R.sub.3 R.sub.4) (C(H) (R.sub.5)).sub.a Z , or tm (I)(R.sub.1 R.sub.2 NC(X)SC(R.sub.3 R.sub.4) (C(H) (R.sub.5)).sub.a C(X)A).sub.2 Z' (II) wherein R.sub.1 and R.sub.2 are each independently lower alkyl, aryl, aralkyl or together form a heterocyclic group in which the ring is completed trough the nitrogen;X is O or S;A is O, S or NR;R is H or a lower alkyl group;R.sub.3, R.sub.4 and R.sub.5 are each independently H, lower alkyl or aryl groups;a is 0 or 1;Z is --CN, --S(O)R.sub.6, --S(O)OR.sub.6, --S(O).sub.2 R.sub.6, --S(O).sub.2 OR.sub.6, or --C(O)Y;R.sub.6 is --H, alkyl or aralkyl;Y is --H, --OH, --R.sub.7, --OR.sub.7, --OR.sub.8 OH, or --NR.sub.9 R.sub.10 ;R.sub.7 is an alkyl, aryl or aralkyl group;R.sub.8 is an alkylene group of 1 to about 7 carbon atoms;R.sub.9 and R.sub.10 are each independently --H, alkyl, hydroxyalkyl, cycloaliphatic, or together form cyclic group in which the ring is completed through the nitrogen atom; andZ' is --R.sub.8 -- or --R.sub.8 --A--R.sub.8 --.The liquid compositions may additionally contain a polyoxyalkylene glycol or a carboxylic ester. Liquid compositions also are described wherein the fluorine-containing hydrocarbons also contain other halogen such as chlorine. The liquid compositions are useful particularly as refrigeration liquids in refrigerators and air-conditioners including auto, home and industrial air-conditioners.
    • PCT No.PCT / US90 / 02495 Sec。 371日期1990年5月29日第 102(e)1990年5月29日的PCT日期1990年5月4日PCT。描述了一种液体组合物,其包含(A)主要量的至少一种含有一个或两个碳原子的含氟烃; 和(B)少量至少一种可溶性有机润滑剂,其包含至少一种有机硫代氨基甲酸酯,其特征在于通式为R1R2NC(X)SC(R3R4)(C(H)(R5))aZ或tm(I)(R1R2NC (X)SC(R3R4)(C(H)(R5))aC(X)A)2Z'(II)其中R1和R2各自独立地为低级烷基,芳基,芳烷基或一起形成杂环基, 完成通过氮气; X是O或S; A是O,S或NR; R是H或低级烷基; R3,R4和R5各自独立地为H,低级烷基或芳基; a是0或1; Z是-CN,-S(O)R 6,-S(O)OR 6,-S(O)2 R 6,-S(O)2 OR 6或-C(O) R6是-H,烷基或芳烷基; Y是-H,-OH,-R 7,-OR 7,-OR 8 OH或-NR 9 R 10; R7是烷基,芳基或芳烷基; R8是1至约7个碳原子的亚烷基; R 9和R 10各自独立地为-H,烷基,羟烷基,脂环族或一起形成环通过氮原子完成的环状基团; 和Z'是-R 8 - 或-R 8 -A-R 8 - 。 液体组合物可另外含有聚氧亚烷基二醇或羧酸酯。 还描述了液体组合物,其中含氟烃还含有其它卤素如氯。 液体组合物特别适用于包括汽车,家用和工业空调的冰箱和空调中的制冷液体。