发明名称 |
Alcohol alkoxylates used as low-foam, or foam-inhibiting surfactants |
摘要 |
1. Alcohol alkoxylates of the formula (I) R1-O-(CH2-CHR5-O-)r(CH2-CH2-O-)n(CH2-CHR6-O-)s(CH2-CHR2-O-)mH (I) where R1 is an at least singly branched C4-22-alkyl R2 is C3-4-alkyl R5 is C1-4-alkyl R6 is methyl or ethyl n is an average value from 1 to 50 m is an average value from 0 to 20 r is an average value from 0 to 50 s is an average value from 0 to 50, where m is at least 0.5 if R5 is methyl or ethyl or r is 0, or alcohol alkoxylates of the formula (II) R3-O-(CH2-CH2-O-)p(CH2-CHR4-O-)qH (II) where R3 is branched or unbranched C4-22-alkyl R4 is C3-4-alkyl p is an average value of from 1 to 50 q is an average value of from 0.5 to 20 are used as low-foam or foam-suppressing surfactants.
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申请公布号 |
US2003092587(A1) |
申请公布日期 |
2003.05.15 |
申请号 |
US20020239884 |
申请日期 |
2002.10.07 |
申请人 |
GUEMBEL HELMUT;AUS DEM KAHMEN MARTIN;WAGNER NORBERT;TAEGER KLAUS |
发明人 |
GUEMBEL HELMUT;AUS DEM KAHMEN MARTIN;WAGNER NORBERT;TAEGER KLAUS |
分类号 |
B01F17/42;C07C43/11;C08G65/06;C08G65/26;C08G65/28;C11D1/722;C11D3/00;(IPC1-7):C07C43/20;C11D17/08 |
主分类号 |
B01F17/42 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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