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Anti-mite unit dose article

A unit dose and product technology, applied in the field of unit dose products, can solve the problems of film plasticizing properties, changing rheological properties of liquid laundry detergent compositions, etc.

Active Publication Date: 2020-11-24
THE PROCTER & GAMBLE COMPANY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] However, it is challenging to formulate anti-mite actives into liquid laundry detergent compositions in water-soluble unit dose formulations
First, the presence of such anti-mite actives can alter the rheological properties of liquid laundry detergent compositions and lead to more membrane seal failure events caused by liquid stringing during the manufacturing process
Furthermore, the incorporation of such anti-mite actives into liquid laundry detergent compositions can also result in a greater impact on the plasticizing properties of the film

Method used

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Experimental program
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Embodiment

[0093] Liquid drawing

[0094] The following shear thinning liquid detergent formulations were prepared using standard mixing techniques and equipment known to those skilled in the art. Benzyl benzoate had been added to Inventive Composition A, compared to Comparative Composition A, to re-equilibrate the 1,2-propanediol to create free formulation space for inclusion of benzyl benzoate. Hydrogenated castor oil has been used as a finish to match the high shear viscosity (at 1000 / s) between the two tested products, which is close to the product viscosity experienced during liquid filling operations.

[0095] Composition (weight%) Invention Composition A Comparative Composition A 1,2-propanediol 11.7 19.4 glycerin 5.0 5.0 dipropylene glycol 0.1 0.1 water 9.0 9.0 Benzyl Benzoate 8.1 - Monoethanolamine 8.5 8.5 linear alkylbenzene sulfonic acid 18.7 18.6 C12-14EO3S anionic surfactant 8.8 8.9 C12-14EO7 nonion...

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Abstract

The invention relates to an anti-mite unit dose article. The invention provides an anti-mite unit dose product containing a water-soluble polymer film. The water-soluble polymer film is formed as a pouch having an internal compartment, the inner compartment encloses a liquid laundry detergent composition therein. The liquid laundry detergent composition is characterized in that the liquid laundrydetergent composition is prepared, a high shear viscosity in the range of 100 mPas to 900 mPas measured at a shear rate of 1000 s-1 and a temperature of 20 DEG C, wherein the liquid laundry detergentcomposition comprises from 20% to 70% by total weight of the liquid laundry detergent composition of one or more non-soap surfactants and from 1% to 20% benzyl benzoate. The presence of benzyl benzoate in this amount in unit dose articles not only provides an anti-mite benefit, but also reduces liquid wiredrawing that may lead to film seal failure during the manufacturing process of such unit dosearticles, without negatively affecting the film plasticization characteristics.

Description

technical field [0001] The present invention relates to a unit dose article comprising a water soluble polymer film formed into a pouch having an internal compartment enclosing a liquid laundry detergent composition therein. Background technique [0002] Water soluble unit dose articles are becoming more and more popular among consumers because of their ease of use and the reduction of accidental spills during detergent dosing in laundering operations. Such water-soluble unit-dose articles typically comprise a water-soluble film, preferably formed from a polyvinyl alcohol homopolymer, polyvinyl alcohol copolymer, or mixtures thereof, the water-soluble film formed to contain an internal compartment A sachet, the inner compartment encloses a liquid laundry detergent composition. [0003] During manufacture of the unit dose article described above, the first film is deformed in a mold to form an open cavity into which the liquid laundry detergent composition is added through t...

Claims

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Application Information

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IPC IPC(8): C11D10/04C11D1/83C11D3/20C11D3/48C11D17/04
CPCC11D10/04C11D10/042C11D10/045C11D1/83C11D3/2093C11D3/48C11D17/043C11D1/72C11D1/29C11D1/22C11D2111/12
Inventor 塞尔吉奥·罗德里格斯罗德里格斯克里夫·艾伯特·韦尔默朗埃尔斯·斯莱文盐道靖子大谷良平R·博莱赫R·R·F·凯勒斯
Owner THE PROCTER & GAMBLE COMPANY
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