Aqueous suspensions of peroxycarboxylic acids
AssigneeHoechst Aktiengesellschaft
InventorsGerd Reinhardt, Vera Friderichs, Ulrike Rudolf
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Abstract
Storage-stable aqueous suspensions of organic peracids containing 1 to 50% by weight of a surfactant mixture composed of 1 to 4 parts by weight of a C.sub.8 -C.sub.22 -fatty alcohol, ethoxylated with 1 to 5 units of ethylene oxide, and 4 to 1 parts by weight of a C.sub.8 -C.sub.22 -fatty alcohol, ethoxylated with 6 to 25 units of ethylene oxide, and, if appropriate, additionally other customary components. By using two different surfactants, it is possible to set very different viscosity values in these suspensions, from low viscosity to pasty formulations.
Claims20
A storage-stable aqueous suspension of an organic peracid, wherein the suspension contains 1 to 50% by weight of a surfactant mixture consisting essentially of the components (a) 1 to 4 parts by weight of a C.sub.8 -C.sub.22 -fatty alcohol, ethoxylated with 1 to 5 units of ethylene oxide, and (b) 4 to 1 parts by weight of an ethoxylated fatty alcohol selected from the group consisting of:
- (1) C.sub.8 -C.sub.18 fatty alcohol ethoxylated with 8 to 25 units of ethylene oxide,
- (2) C.sub.8 -C.sub.12 fatty alcohol ethoxylated with 6 to 8 units of ethylene oxide, and
- (3) C.sub.18 -C.sub.22 fatty alcohol ethoxylated with 12 to 25 units of ethylene oxide, and wherein the suspension contains at least one additional component selected from the group consisting of complexing agents, acid, antifoam agents, optical brighteners, perfumes, dyes, antioxidants and hydrogen peroxide.
A storage-stable aqueous suspension of an organic peracid, wherein the suspension contains 1 to 50% by weight of a surfactant mixture consisting essentially of the components (a) 1 to 4 parts by weight of a C.sub.8 -C.sub.22 -fatty alcohol, ethoxylated with 1 to 5 units of ethylene oxide, and (b) 4 to 1 parts by weight of an ethoxylated fatty alcohol selected from the group consisting of:
- (1) C.sub.8 -C.sub.18 fatty alcohol ethoxylated with 8 to 25 units of ethylene oxide,
- (2) C.sub.8 -C.sub.12 fatty alcohol ethoxylated with 6 to 8 units of ethylene oxide, and
- (3) C.sub.18 -C.sub.22 fatty alcohol ethoxylated with 12 to 25 units of ethylene oxide.
Dependencies are inferred from the claim text.