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Whitening composition

A technology of composition and detergent, applied in the field of whitening and brightening laundry compositions, capable of solving the problems of whiteness and cleaning loss of washing loads

Inactive Publication Date: 2017-05-10
UNILEVER NV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The process results in an overall loss of whiteness and cleanliness throughout the wash load

Method used

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  • Whitening composition
  • Whitening composition
  • Whitening composition

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0113] Non-phosphate built detergent powders are prepared from the following formula:

[0114] Element weight% linear alkylbenzene sulfonate 15.4 Sodium carbonate 23.4 sodium sulfate 41.9 dolomite 1.8 Calcite 9.8 trace moisture margin

[0115] This formulation was used to wash eight 5 x 5 cm pieces of knitted cotton in a Tergotometer set at 200 rpm. Washing with 4 g / L formulation was carried out in 800 ml of French hard water at 26°C for 1 hour at 20°C. To simulate particulate fouling, 0.04 g / L of 100% compressed carbon black (from Sigma-Aldrich) was added to the wash liquor. To simulate an oily soil, 3.7g of SBL2004 soil strips (from Warwick Equest) were added to the wash liquor.

[0116] Once laundering is complete, the cotton test pieces are removed to dry and the color is measured on a reflectometer and expressed as CIE L*a*b* values.

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Abstract

The present invention provides a domestic non-phosphate built laundry whitening and brightening powder composition comprising a charged surfactant, an uncharged alkoxylated polyarylphenol and a perfume, wherein the composition is zeolite or carbonate built.

Description

technical field [0001] The present invention relates to the use of whitening and brightening laundry compositions. [0002] Background of the invention [0003] It is desirable to maintain and improve the whiteness and brightness of fabrics during the home laundry process. The problem is that dirt removed from one garment is deposited on another. This problem is exacerbated by the presence of human oil (sebum) on the clothes and in the wash, which helps to enhance the deposition of soil in the wash. This process results in an overall loss of whiteness and cleanliness throughout the wash load. In order to improve this problem, dispersion polymers such as alkoxylated polyethyleneimines have been widely added to detergents. Ethoxylated PEI (PEI=polyethyleneimine) is known as an anti-redeposition polymer from CA1210009. Certain cellulases have also been used to prevent redeposition by altering the surface properties of cotton fabrics. Novozymes describes cellulases for domes...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C11D1/22C11D3/60C11D3/37C11D3/50C11D17/06
CPCC11D1/22C11D3/0036C11D3/3707C11D3/50C11D17/06C11D2111/12C11D1/146C11D1/29C11D1/37C11D1/72C11D1/83
Inventor S·N·巴切洛尔
Owner UNILEVER NV