Method for improving foaming properties and foaming composition
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United States of America Patent
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Dec 2, 1997
Grant Date -
N/A
app pub date -
Mar 30, 1994
filing date -
Mar 30, 1993
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method for improving the foaming property of a nonionic surfactant having a straight-chain alkyl group containing from 10 to 16 carbon atoms, and an HLB value of about 13.5 or more is disclosed, which comprises adding (b) a fatty acid monoglyceride represented by formula (I): R.sup.1 --CO--OCH.sub.2 CH(OH)CH.sub.2 OH (I) wherein R.sup.1 represents a straight-chain alkyl group having from 9 to 15 carbon atoms, to (a) the nonionic surfactant in a (b)/(a) weight ratio of from 2/8 to 6/5. A low-irritating foaming composition is also disclosed, which comprises (a) a nonionic surfactant having a straight-chain alkyl group containing from 10 to 16 carbon atoms as a hydrophobic group, and an HLB value of about 13.5 or more and (b) a fatty acid monoglyceride represented by formula (I): R.sup.1 --CO--OCH.sub.2 CH(OH)CH.sub.2 OH (I) wherein R.sup.1 represents a straight chain alkyl group having from 9 to 15 carbon atoms, in a (b)/(a) weight ratio of from 2/8 to 6/5.
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