Foam regulators containing paraffin hydrocarbons and hydrophobic silica
First Claim
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1. A foam regulator composition for in surfactant-containing products, consisting essentially of a mixture of(a) microcrystalline paraffin wax having a solidification point of about 60°
- to 95°
C., in an amount of about 5 to 60%;
(b) hard paraffin having a solidification point of about 40°
to 60°
C., in an amount of about 15 to 60%;
(c) soft paraffin having a solidification point of about 32°
to 42°
C., in an amount of about 1 to 50%; and
(d) hydrophobic, finely divided silica, in an amount of about 3 to 18%;
all percentages being by weight based on the total weight of the mixture, said composition being free from surfactants.
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Abstract
Foam regulators particularly suitable for use in surfactant-containing compositions, comprising a mixture of paraffin hydrocarbons and hydrophobic silica, preferably admixed with a carrier.
32 Citations
28 Claims
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1. A foam regulator composition for in surfactant-containing products, consisting essentially of a mixture of
(a) microcrystalline paraffin wax having a solidification point of about 60° - to 95°
C., in an amount of about 5 to 60%;(b) hard paraffin having a solidification point of about 40°
to 60°
C., in an amount of about 15 to 60%;(c) soft paraffin having a solidification point of about 32°
to 42°
C., in an amount of about 1 to 50%; and(d) hydrophobic, finely divided silica, in an amount of about 3 to 18%; all percentages being by weight based on the total weight of the mixture, said composition being free from surfactants. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28)
- to 95°
Specification