Granular detergent composition comprising perfume
A detergent, detergent granule technology, applied in detergent composition, coating detergent composition, detergent composition fragrance, etc.
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Embodiment 1
[0134] Example 1 : Comparative detergent granule with fragrance incorporated in the core
[0135] Nuclear Manufacturing: The surfactant feedstock is dried in a spray dryer to produce a spray-dried powder with anionic and nonionic surfactants. The spray-dried powder was fed into a twin-screw co-rotating extruder equipped with shaped orifice plates and cutting blades to extrude the core pellets. During extrusion, the fragrance was added at a level of 0.527% to give a final fragrance level of 0.4% by weight in the entire formulation (including coating and additional materials). Perfumes include free oils and mixtures of perfumes in encapsulated form.
[0136] In addition to flavors, other ingredients (eg enzymes, dyes) are added to the extrudable mass during the extrusion process.
[0137] Applying the coating: The core particles obtained in the previous steps are then coated with the coating material by spray deposition. Sodium carbonate is used as coating material. Load t...
Embodiment 2
[0145] Example 2 : Detergent granules with a perfume-containing coating prepared according to the invention.
[0146] Nuclei fabrication: Nuclei particles were prepared using a method similar to that disclosed in Example 1. The only difference in this method is that in the detergent granules prepared in Example 2, no perfume was added to the extruder during extrusion. Therefore, there is no fragrance in the core of Example 2.
[0147] Application of the coating: Similar to that described in Example 1, the core particles obtained in the previous step were then coated with a sodium carbonate solution by spray deposition. The intragranular porosity of the detergent granules after application of the coating was measured using a Quantachrom Helium Pycnometer, Model Ultrapycnometer R1000, and found to be 0.06 volume fraction.
[0148] Applying the Perfume Layer: The detergent granules pre-coated with the sodium carbonate layer were then transferred to a drum mixer. To a batch o...
Embodiment 3
[0154] Example 3 : measure the flow rate of the detergent granules of the present invention:
[0155] The flow rate (or CDFR) of the detergent granules of Example 2 was determined by the following method. Put a sample of detergent granules into a glass tube with a diameter of 59.5 mm, measure the time it takes for a fixed volume (718.78 ml) to flow out of a hole with a diameter of 40 mm, and then calculate the flow rate expressed in mL / s, in Table 3 available.
[0156] table 3
[0157]
[0158] The data above shows the change in flow rate of the detergent granules of Example 2 immediately after fragrance application (day 0) and after 12 weeks of storage, reflecting little change in flow during this period, indicating that the granules are free after storage. fluid.
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Abstract
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