Carrier substrate treated with high internal water phase inverse emulsion made with an organopolysiloxane-polyoxyalkylene emulsifier
AssigneeThe Procter & Gamble Company
InventorLarry Neil Mackey
Life of this patent
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Abstract
Wet-like cleaning wipes and similar articles that are particularly useful in removing perianal soils. These wipes comprise a carrier substrate such as tissue paper web that is treated with a high internal water phase inverse emulsion made with an organopolysiloxane-polyoxyalkylene emulsifier. The organopolysiloxane-polyoxyalkylene emulsifiers provide better water retention than other organic emulsifiers used in formulating high internal phase inverse emulsions, as well as better hand feel aesthetics for the wipe treated with the emulsion.
Claims48
A cleansing article, which comprises:
- a. a carrier;
- b. a water-in-lipid emulsion applied to said carrier, said emulsion comprising:
- (1) from about 2 to about 60%, by weight, of a continuous solidified lipid phase comprising a waxy lipid material having a melting point of about 30.degree. C. or higher;
- (2) from about 39 to about 97%, by weight, of an internal water phase dispersed in said lipid phase;
- and
- (3) an effective amount of an organopolysiloxane-polyoxyalkylene emulsifier capable of forming said emulsion when said lipid phase is in a fluid state.
A process for applying a water-in-lipid emulsion to a carrier selected from the group consisting of woven materials, nonwoven materials, foams, sponges, battings, balls, puffs, and films, wherein the process comprises the steps of:
- A. forming a water-in-lipid emulsion comprising:
- (1) from about 2 to about 60%, by weight, of a continuous lipid phase comprising a waxy lipid material having a melting point of about 30.degree. C. or higher;
- (2) from about 39 to about 97%, by weight, of an internal water phase dispersed in the lipid phase;
- and
- (3) an effective amount of an organopolysiloxane-polyoxyalkylene emulsifier capable of forming the emulsion when the lipid phase is in a fluid state;
- B. applying the emulsion to a carrier at temperature sufficiently high such that the lipid phase has a fluid or plastic consistency;
- C. cooling the applied emulsion to a temperature sufficiently low such that the lipid phase solidifies.
A cleansing wipe, which comprises:
- a. a paper web substrate;
- b. a water-in-lipid emulsion applied to said substrate, said emulsion comprising:
- (1) from about 5 to about 30% of a continuous solidified lipid phase comprising a waxy lipid material having a melting point of about 50.degree. C. or higher and selected from the group consisting of animal waxes, vegetable waxes, mineral waxes, synthetic waxes and mixtures thereof;
- (2) from about 67 to about 92% of an internal water phase dispersed in said lipid phase;
- and
- (3) from about 2 to about 6% of an organopolysiloxane-polyoxyalkylene emulsifier capable of forming the emulsion when the lipid phase is in a fluid state.
Dependencies are inferred from the claim text.