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Water soluble unit dose article

A unit-dose, water-soluble technology, applied in the preparation of surface-active detergent compositions, detergent mixture compositions, detergent materials, etc., can solve problems such as accidental breakage

Inactive Publication Date: 2016-11-16
PROCTER & GAMBLE CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, such unit dose products may experience accidental rupture

Method used

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  • Water soluble unit dose article
  • Water soluble unit dose article

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Experimental program
Comparison scheme
Effect test

preparation example Construction

[0063] Preparation of the coated bleach granules includes coating techniques known in the art; in one embodiment fluid bed coating is involved. Fluidized bed coating is characterized in that, for the production of the outer shell layer comprising, for example, an alkali metal silicate, an aqueous solution comprising an alkali metal silicate is used which has an alkali metal silicic acid in the range from about 2% by weight to about 20% by weight Salt concentration, and a silicate ratio greater than 2.5. This solution is sprayed onto, for example, sodium percarbonate particles having at least one inner layer comprising an efflorescent material. The spraying is performed in a fluidized bed while evaporating the water until the outer layer contains from about 0.2% to about 1.5% by weight of the alkali metal silicate.

[0064] Good stability is achieved in this way, trying to obtain stable coated bleach particles with the lowest possible degree of hydration during production. Th...

Embodiment

[0143] The beneficial effect of a unit dose formulation according to the invention is determined relative to a formulation not in scope.

[0144] Liquid compositions were prepared in a 1 L beaker and stirred with a 10 cm diameter paddle at a rate of 250 rpm. The liquid composition comprises:

[0145] 6.31% by weight water

[0146] 13.81% by weight 1,2-propanediol

[0147] 5.67% by weight glycerin

[0148] 20.54% by weight MEA-linear alkylbenzene sulfonate

[0149] 10.04% by weight of ethoxylated alkyl sulfates with an average degree of ethoxylation of 3

[0150] 14.84% by weight of ethoxylated fatty alcohol ethoxylates having an average degree of ethoxylation of 7

[0151] 0.75% by weight citric acid

[0152] 6.97 wt% fatty acids

[0153] 2.38% by weight HEDP

[0154] 6.13% by weight ethoxylated polyethyleneimine

[0155] 0.0585% by weight protease (54.4mg / g)

[0156] 0.09% by weight sodium formate

[0157] 0.62% by weight trace components

[0158] 0.36 wt% MgCl 2...

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Abstract

A multicompartment water-soluble unit dose article comprising a water-soluble film, wherein a first compartment comprises a powder composition and a second compartment comprises a liquid composition, and wherein the unit dose article comprises a top wall, a bottom wall, an inner wall and an outer wall, and wherein the first compartment is defined as the internal space between the top wall, the bottom wall and the inner wall, and wherein the second compartment is defined as the internal space between the inner wall, the outer wall, the top wall and the bottom wall, and wherein the walls comprise the water-soluble film, and a method of using said unit dose article.

Description

technical field [0001] Water-soluble unit dose articles and methods of use thereof. Background technique [0002] Water soluble unit dose formulations have become very popular with consumers. Such articles typically consist of one or more water-soluble films that are shaped to provide at least one interior compartment. Contained in the inner compartment is a detergent composition. Upon addition to water, the water soluble film dissolves, releasing the composition into the wash liquor. [0003] Such unit dose articles can be used in automatic washing machines or automatic dishwashing operations, such as automatic dishwashing. The unit dose article is added to the drum or interior of a washing machine along with the fabric / garment or dishware to be washed. Upon addition of water to the wash cycle, the water soluble film dissolves, releasing the composition into the wash liquor. [0004] Multi-compartment unit dose articles provide the added benefit of being able to segreg...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C11D17/04C11D3/60C11D3/42C11D3/39C11D3/386C11D3/37C11D3/36C11D3/34C11D3/33C11D3/30
CPCC11D1/83C11D3/046C11D3/2044C11D3/2065C11D3/2079C11D3/2086C11D3/30C11D3/33C11D3/361C11D3/365C11D3/3723C11D3/38618C11D3/3942C11D3/42C11D17/045C11D3/36C11D3/3773C11D3/3932C11D3/2075C11D3/50C11D1/721C11D1/29C11D1/22C11D2111/12
Inventor A·T·布鲁克P·F·苏特R·R·F·凯勒斯
Owner PROCTER & GAMBLE CO