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    • 6. 发明授权
    • Low foam surfactant mixtures
    • 低泡沫表面活性剂混合物
    • US4780237A
    • 1988-10-25
    • US77257
    • 1987-07-24
    • Karl-Heinz SchmidAdolf AsbeckDetlev Stanislowski
    • Karl-Heinz SchmidAdolf AsbeckDetlev Stanislowski
    • B01F17/42C11D1/72C11D1/722C11D1/825C11D3/00
    • C11D1/8255C11D1/721C11D3/0026C11D1/72C11D1/722
    • Low-foam or foam-depressing surfactant mixtures based on water-soluble and/or water-emulsifiable polyalkylene glycol ethers of relatively long-chain alcohols containing components I, II and, if desired, III in the quantities indicated:(I) from 20 to 80% by weight of polyethylene glycol ethers corresponding to the following general formulaR.sub.1 --O--(CH.sub.2 CH.sub.2 O).sub.n --R.sub.2 (I) in which R.sub.1 is a straight-chain or branched C.sub.8 -C.sub.18 alkyl or alkenyl radical, R.sub.2 is a C.sub.4 -C.sub.8 alkyl radical and n is a number of from 3 to 7,(II) from 10 to 40% by weight of alkyl polyalkylene glycol mixed ethers corresponding to the following general formula ##STR1## in which R.sub.3 is a straight-chain or branched C.sub.8 -C.sub.18 alkyl radical, x is a number of from 1 to 3 and y is a number of from 3 to 6, and(III) from 0 to 40% by weight of alkyl (poly)propylene glycol ethers corresponding to the following general formula ##STR2## in which R.sub.4 is a straight-chain or branched C.sub.16 -C.sub.22 alkyl or alkenyl radical and z is a number of from 1 to 3.
    • 基于水溶性和/或水可乳化的相对长链醇的聚亚烷基二醇醚的低泡沫或泡沫抑制表面活性剂混合物,其含有组分I,II,如果需要,III为所示量:(I)为20 至80重量%的对应于以下通式的R 1 -O-(CH 2 CH 2 O)n -R 2(I)的聚乙二醇醚,其中R 1是直链或支链C 8 -C 18烷基或烯基,R 2是C 4 -C8烷基,n为3至7,(II)10至40重量%的烷基聚亚烷基二醇混合醚,其对应于下列通式(II),其中R 3为直链 - 链或支链C 8 -C 18烷基,x是1至3的数,y是3至6的数,和(III)0至40重量%的对应于 其中R 4是直链或支链C 16 -C 22烷基或链烯基的以下通式(Ⅰa)(Ⅲ),z是多个 m 1〜3。
    • 9. 发明授权
    • Foam inhibitor mixture
    • 泡沫抑制剂混合物
    • US4797222A
    • 1989-01-10
    • US039050
    • 1987-04-16
    • Rainer HoeferKarl H. SchmidAdolf AsbeckUwe Held
    • Rainer HoeferKarl H. SchmidAdolf AsbeckUwe Held
    • B01D19/04C08G65/26C08G65/28C08G65/32C08G65/34C11D3/37C11D1/72
    • B01D19/04B01D19/0404C08G65/2609C11D3/0026C11D3/3707Y10S516/92
    • A foam inhibitor mixture of compounds corresponding to the following formulae: ##STR1## in which R represents a glycerol residue, trimethylol ethane residue, trimethylol propane residue or a polyglycerol residue having a degree of polymerization x of from 2 to 6 and the indices y=(x-z+2), z=(x-y+2), a=1 to 15, b=50 to 250, c=1 to 15, d=50 to 250 and e=1 to 15, with the proviso that the sums (a+c+e)=2 to 20, (b+d)=50 to 250 and (c+e)=1 to 15 and y has a value of at least 1; R.sup.1 represents a straight-chain or branched-chain alkyl or alkenyl radical containing from 8 to 20 C-atoms or an aromatic alkyl radical containing from 12 to 20 C-atoms, R.sup.2 represents an alkyl radical containing from 3 to 8 C-atoms and n is a number of from 4 to 30. The mixture preferably contains from 99 to 70% by weight of the block polymer (I) and from 1 to 30% by weight of the emulsifier (II).
    • 对应于下式的化合物的泡沫抑制剂混合物:其中R表示甘油残基,三羟甲基乙烷残基,三羟甲基丙烷残基或具有聚合度的聚甘油残基的化合物(I)R1O(CH2CH2O)nR2(II) x为2〜6,y =(x-z + 2),z =(x-y + 2),a = 1〜15,b = 50〜250,c = 1〜15,d = 50 至250和e = 1至15,条件是(a + c + e)= 2至20,(b + d)= 50至250和(c + e)= 1至15,y具有 值至少为1; R1表示含有8〜20个碳原子的直链或支链烷基或烯基或含有12〜20个碳原子的芳香族烷基,R2表示含有3〜8个碳原子的烷基, n为4至30的数。混合物优选含有99至70重量%的嵌段聚合物(I)和1至30重量%的乳化剂(II)。