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    • 6. 发明授权
    • Liquid detergent with copolymer additive
    • 液体洗涤剂与共聚添加剂
    • US5009805A
    • 1991-04-23
    • US424084
    • 1989-10-19
    • Johannes PernerPaul DiesselHeinrich HartmannWalter DenzingerAlfred OftringWillibald Schoenleben
    • Johannes PernerPaul DiesselHeinrich HartmannWalter DenzingerAlfred OftringWillibald Schoenleben
    • C11D3/32C11D3/37
    • C11D3/3773
    • Liquid detergent formulations contain as essential constituents a surfactant and 0.1-20% by weight of a copolymer which contains(a) 50-99 mol % of units of a monoethylenically unsaturated C.sub.3 -C.sub.8 -monocarboxylic acid, a monoethylenically unsaturated C.sub.4 -C.sub.8 -dicarboxylic acid, a half ester of a monoethylenically unsaturated C.sub.4 -C.sub.8 -dicarboxylic acid, an ester of a monoethylenically unsaturated C.sub.3 -C.sub.8 -monocarboxylic acid, a C.sub.2 -C.sub.30 -olefin, styrene, a C.sub.1 -C.sub.3 -alkylstyrene, a C.sub.1 -C.sub.28 -alkyl vinyl ether, a vinyl ester of a saturated C.sub.1 -C.sub.8 -monocarboxylic acid or a mixture thereof and(b) 50-1 mol % of units of an amide of a monoethylenically unsaturated C.sub.3 -C.sub.8 -carboxylic acid where the amide groups have the structure ##STR1## where R.sup.1 is C.sub.8 -C.sub.28 -alkyl or preferably ##STR2## R.sup.3 and R.sup.4 are each H, CH.sub.3 or C.sub.2 H.sub.5, R is C.sub.1 -C.sub.28 -alkyl,n is from 2 to 100 andR.sup.2 is H or R.sup.1,and has a K value of from 8 to 200, or a salt thereof.
    • 液体洗涤剂配方含有表面活性剂和0.1-20重量%的共聚物,其含有(a)50-99摩尔%的单烯属不饱和C3-C8-单羧酸单元,单烯属不饱和C4-C8-二羧酸 酸,单烯键式不饱和C4-C8-二羧酸的半酯,单烯属不饱和C3-C8-一元羧酸的酯,C2-C30-烯烃,苯乙烯,C1-C3-烷基苯乙烯,C1-C28- 烷基乙烯基醚,饱和C1-C8-一元羧酸的乙烯基酯或其混合物,和(b)50-1摩尔%的单烯属不饱和C 3 -C 8 - 羧酸的酰胺单元,其中酰胺基具有 其中R 1为C 8 -C 28 - 烷基或优选R 3和R 4各自为H,CH 3或C 2 H 5,R为C 1 -C 28 - 烷基,n为2至100,R 2为H或R 1,并且 的K值为8〜200,或其盐。
    • 10. 发明授权
    • Preparation of N,N'-dialkyl substituted cyclic urea derivatives
    • N,N'-二烷基取代的环状脲衍生物的制备
    • US4897480A
    • 1990-01-30
    • US284245
    • 1988-12-14
    • Willibald Schoenleben
    • Willibald Schoenleben
    • C07D233/34B01J21/04B01J21/12C07B61/00C07D233/32C07D239/10C07D247/02
    • C07D239/10C07D233/32C07D247/02
    • N,N'-dialkyl-substituted cyclic urea derivatives of the general formula I ##STR1## where R.sup.1 and R.sup.2 are each alkyl of 1 to 8 carbon atoms and A is CR.sup.3 R.sup.4 -CR.sup.5 R.sup.6 - or CR.sup.3 R.sup.4 -CR.sup.5 R.sup.6 -CR.sup.7 R.sup.8, where R.sup.3 to R.sup.8 are each hydrogen or alkyl of 1 to 17 carbon atoms, are prepared by reacting a diamine of the formula II ##STR2## with carbon dioxide, by a method in which the reaction is carried out in the gas phase in the presence of an oxide of an element of main group three or four or subgroup two to six of the Periodic Table, or a mixture of these, or in the presence of an aluminum silicate or magnesium silicate.1,3,4-trimethyl-2-imidazolidinone is used as a polar solvent at low temperatures.
    • N,N'-二烷基取代的通式I(I)的环脲衍生物,其中R 1和R 2各自是1至8个碳原子的烷基,A是CR 3 R 4 -CR 5 R 6 - 或CR 3 R 4 -CR 5 R 6 -CR 7 R 8,其中 R 3至R 8各自为氢或具有1至17个碳原子的烷基,其通过使式II(II)的二胺与二氧化碳反应的方法通过使反应在气相中进行的方法 主要组分的元素的氧化物存在于元素周期表中主要为三或四元或二至六至六元的元素,或其混合物,或在硅酸铝或硅酸镁存在下。 1,3,4-三甲基-2-咪唑啉酮在低温下用作极性溶剂。