Bi-continuous micro-emulsion detergent composition
A dual-continuous phase, composition technology, applied in the directions of detergent compositions, surface-active detergent compositions, detergent composition solvents, etc., can solve problems such as inability to fully dissolve fat stains and stains
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Embodiment 1
[0077] Example 1: Process for preparing microemulsion detergent compositions
[0078] Sodium-LAS (Sodium Linear Alkylbenzene Sulfonate, Unilever) and Ethoxylated Alcohol (Imbentin OA / 030, C 8 EO 3 , 100%, clear liquid) mixed. Mixing was performed by a high speed homogenizer (at 14000 rpm for 15 minutes). Sodium Lauryl Ether Sulfate (3EO) (SLES, Galaxy Surfactants, Mumbai, India) was added after the initial complete homogenization of the two components was completed. Will contain dissolved fluorescent whitening agent, electrolyte (NaCl, Na 2 CO 3 etc.), and enzyme water into the mixer. Continue mixing until a homogeneous slurry is obtained. At low RPM (2000), d-limonene (99%, Sigma) oil / solvent was added to the mixer. Obtain low viscosity transparent / translucent products. The operating temperature was maintained at 25°C.
[0079] Two compositions (Composition 1 and Control Composition A, see Table below) were prepared according to the method described above.
[0080...
Embodiment 2
[0082] Example 2: Cleaning performance (heavy wash)
[0083] A 10 x 10 cm desized fabric was stained by depositing a mixture of trilaurin and carbon soot (1000:1, homogenized by ultrasonication) under hot (80°C) conditions without using any solvent ( Cotton (C), Polyester Cotton (PC), Polyester (PE)). 200 ul (10 x 10 cm) was applied per sample.
[0084] The fabrics were soaked for 30 minutes in a wash solution containing water and 1.2 g / L of the microemulsion (Composition 1) or in the clean wash solution of Control Composition A. Water hardness is water of 6° fH. The fabric was then washed for 15 minutes in a tergotometer filled to 300 ml at 25° C., 90 rpm and liquid: cloth ratio = 30, rinsed twice for 2 minutes in 6° fH water. The samples are then dried.
[0085] The reflectance of the samples was measured using a Macbethcolor eye spectrophotometer at a wavelength of 460 nm (UV excluding SCI) before washing and after drying. Reflectance values are the percentage of r...
Embodiment 3
[0092] Example 3: Cleaning performance compared to commercial products (heavy wash)
[0093] A commercially available concentrated liquid detergent composition (Control Composition B, Persil Small & Mighty, Unilever, UK) was compared with the microemulsion of Composition 1.
[0094]
[0095] All concentrations are based on the total composition.
[0096] For a fair comparison between the concentrated microemulsion and the less concentrated commercial product, a microemulsion containing 1.2 g / L (composition 1) or 2.0 g / L of the commercially available product (composition B) was used. The washing solution washes the samples separately.
[0097] As shown in Example 2, the desized fabrics (C, PC and PE) were soiled.
[0098] The fabrics were immersed in water having a hardness of 6° fH for 30 minutes in a wash liquor containing the surfactant concentrations indicated above. It was then washed for 15 minutes at 25° C. and 75 rpm in a oscillating scrubber filled with 300 ml....
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