Water-soluble unit dose articles made from a combination of different films and containing household care compositions

#The present disclosure relates to water-soluble unit dose articles made from a combination of chemically different water-soluble films and containing household care compositions that are at least partially enclosed by the water-soluble films in at least one compartment.

#Water-soluble polymeric films are commonly used as packaging materials to simplify dispersing, pouring, dissolving and dosing of a material to be delivered. For example, water-soluble unit dose articles made from water-soluble film are commonly used to package household care compositions, e.g., a pouch containing a laundry or dish detergent. A consumer can directly add the water-soluble unit dose article, e.g., pouch, to a mixing vessel, such as a bucket, sink or washing machine. Advantageously, this provides for accurate dosing while eliminating the need for the consumer to measure the composition. The water-soluble unit dose article may also reduce mess that would be associated with dispensing a similar composition from a vessel, such as pouring a liquid laundry detergent from a bottle. The water-soluble unit dose article also insulates the composition therein from contact with the user's hands. In sum, water-soluble unit dose articles containing pre-measured agents provide for convenience of consumer use in a variety of applications.

#Some water-soluble polymeric films that are used to make water-soluble unit dose articles will incompletely dissolve during a wash cycle, leaving film residue on items within the wash.

#The figures herein are illustrative in nature and are not intended to be limiting.

#FIG. 1 shows a schematic illustration of the basic configuration of the unit dose article strength test and seal failure test.

#FIG. 2 shows a side cross-sectional view of a pouch.

#As used herein, the articles “a” and “an” when used in a claim, are understood to mean one or more of what is claimed or described. As used herein, the terms “include,” “includes,” and “including” are meant to be non-limiting. The compositions of the present disclosure can comprise, consist essentially of, or consist of, the components of the present disclosure.

#The terms “substantially free of” or “substantially free from” may be used herein. This means that the indicated material is at the very minimum not deliberately added to the composition to form part of it, or, preferably, is not present at analytically detectable levels. It is meant to include compositions whereby the indicated material is present only as an impurity in one of the other materials deliberately included. The indicated material may be present, if at all, at a level of less than 1%, or less than 0.1%, or less than 0.01%, or even 0%, by weight of the composition.

#The water-soluble unit dose articles of the present disclosure may contain a composition, for example a household care composition. The composition can be selected from a liquid, solid or combination thereof. As used herein, “liquid” includes free-flowing liquids, as well as pastes, gels, foams and mousses. Non-limiting examples of liquids include light duty and heavy duty liquid detergent compositions, fabric enhancers, detergent gels commonly used for laundry, bleach and laundry additives. Gases, e.g., suspended bubbles, or solids, e.g. particles, may be included within the liquids. A “solid” as used herein includes, but is not limited to, powders, agglomerates, and mixtures thereof. Non-limiting examples of solids include: granules, microcapsules, beads, noodles, and pearlised balls. Solid compositions may provide a technical benefit including, but not limited to, through-the-wash benefits, pre-treatment benefits, and/or aesthetic effects.