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Aesthetic particles

A particle and aesthetic technology, applied in the field of aesthetic particles, which can solve problems such as limiting the dissolution rate of particles

Active Publication Date: 2019-01-04
PROCTER & GAMBLE CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

These simple designs can also limit the dissolution rate of the particles in water when these particles are incorporated into cleaning compositions

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0114] Example 1: Three-dimensional printing particles

[0115] The 3D printer instrument MakerBot Replicator 2X (MakerBot Industries.LLC, NY, USA) was used to prepare Example A of the present invention and Comparative Examples B and C.

[0116] This example uses natural colored polyvinyl alcohol (PVA) filaments with a diameter of 1.75 mm purchased from a supplier as a water-soluble matrix agent for 3D printing. Embodiment A of the present invention has figure 2Granules according to the invention in the cross-section shown, which have a diameter of 5 mm and a thickness of about 0.3 mm. Comparative Example B is an annular particle having an outer diameter of 3 mm with an inner hole of 1 mm diameter and a thickness of about 0.4 mm. Comparative Example C is a solid round particle with a diameter of 2 mm and a thickness of about 0.7 mm. The shape is designed with 3D model design software Autodesk 123D Design 1.6.41 and saved as *.stl file. Then rescale the shape into the tu...

Embodiment 2

[0120] Example 2: Dimensions

[0121] The granules of Example A of the present invention were prepared by the method described in Example 1. figure 1 A perspective view showing a schematic diagram of a particle of Example A of the present invention. figure 2 show figure 1 cross-sectional front view. image 3 An optical scanning image of a front view of a particle from Example A of the present invention is shown.

[0122] The particle (1) has a first side (2) and an opposite second side (3). The first side (2) has a first flat surface and the second side (3) has a second flat surface. Due to the cutting method described in Example 1, the first flat surface and the second flat surface are parallel to each other and both are orthogonal to the radial axis (11) (as figure 1 shown). figure 2 The cross-sectional plane of is parallel to the first planar surface and perpendicular to the radial axis (11). The perimeter (10) of the first side forms a perimeter shape in the for...

Embodiment 3

[0126] Example 3: Dimension measurement

[0127] A caliber (Mitutoyo 500-197-20, commercially available from Mitutoyo Corporation, Japan) was used to measure the thickness of the particles. Measurements were performed three times, and then averaged. The results are shown in Table 1 above.

[0128] In addition, Examples A to C were scanned using Epson Perfection V600 Photo Scanner (Epson Singapore Pte Ltd., Singapore), and analyzed by image analysis software MATLAB R2015b (the MathWorks, Inc., MA, USA) to obtain the size of the particles (e.g., length , width, area and volume, etc.). Examples A to C were scanned in 8-bit grayscale mode using 12800 dpi resolution and saved as TIF image files. MATLAB R2015b software was used to convert 8-bit grayscale images to black and white images using an adjusted threshold (150 or 160 in tests). The areas of the sides and voids were measured from the black and white images using the "Image Area Analyzer" tool in MATLAB. The wall lengt...

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Abstract

Three dimensionally printed aesthetic particles(1) that are water dispersible are provided. Each particle(1) has a first side(2) and an opposing second side(3), while the first side has a length from0.2 mm to 20 mm. Further, such particle(1) comprises at least one wall separating a first void and a second void(5) contained between the first side and the second side, while the wall has a width ranging from 0.01 mm to 5 mm as measured in a cross sectional plane.

Description

technical field [0001] The present invention relates to water-dispersible three-dimensionally printed aesthetic particles. Background technique [0002] Water dispersible unique aesthetic particles are commonly used in cleaning compositions. These particles provide visual cues to the user, including aesthetic or even functional benefits. For example, liquid or gel surfactant compositions have been described that contain a plurality of lamellar elements as visual cues. Granular detergent compositions comprising a plurality of membrane particles have been described. See, eg, WO 2010 / 119065 and WO 2009 / 047128. US2343829A describes a method of making soap granules which have a "ring" shape and which float on the surface of water. [0003] The previously described aesthetic particles are usually made by stamping or extrusion techniques. This limits the particle design options to fairly simple particles. These simple designs can also limit the dissolution rate of the particl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C11D17/00
CPCB29K2995/0062B29K2995/006B29K2101/12B29C64/118B33Y80/00B29K2105/251B29K2105/0088B29C2791/002C11D17/06B29B9/12B29C67/20B29K2105/04
Inventor K·M·A·尚普赵璞
Owner PROCTER & GAMBLE CO