Extruded Abrasive Particles for Liquid Cleaning
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Solution Overview
Problem
Current scouring compositions often compromise between cleaning effectiveness and surface safety, with hard abrasive particles risking damage to surfaces, and existing solutions fail to consistently achieve optimal particle shape and strength for efficient cleaning.
Innovation Solution
The development of a liquid cleaning composition featuring extruded or 3D-printed abrasive particles with a longitudinal length and a cross-section comprising multiple elongate protrusions, optimized for maximum scraping surface area and minimal rolling, ensuring effective cleaning with reduced surface damage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If very hard abrasive particles are used, then cleaning performance is improved, but surface safety deteriorates (scratching damage occurs)
Solution Approach 1:
The patent changes the shape parameters of abrasive particles from conventional spherical/irregular forms to specifically engineered shapes with controlled aspect ratios (0.5-1.5), defined edge radii (0.1-10 μm), and specific surface area characteristics. These parameter changes allow the particles to provide effective cleaning through optimized geometry while reducing surface damage through controlled edge sharpness and orientation behavior.
Solution Approach 2:
The patent employs asymmetric particle shapes including elongated forms, flattened structures, and irregular geometries with specific orientation characteristics. These asymmetric shapes prevent uniform rolling during cleaning, promoting preferred orientation that enhances cleaning efficiency while reducing random scratching. The asymmetry is quantified through aspect ratios and shape factors that distinguish these particles from conventional symmetric spherical abrasives.
2Productivity
If shaped abrasive particles are developed, then cleaning effectiveness and surface safety are improved, but manufacturing complexity increases
Solution Approach 1:
The patent achieves complex particle shapes through controlled parameter changes during formation processes. By adjusting parameters such as aspect ratio, edge radius, surface area, and orientation characteristics during extrusion, molding, or aggregation processes, the patent produces engineered shapes that deliver superior cleaning performance without requiring excessively complex manufacturing equipment or multi-step processes.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The composition provides enhanced cleaning performance with improved surface safety by maximizing soil removal while minimizing surface damage, achieved through precise control over particle shape and orientation during cleaning.
Implementation Method 1
Scouring compositions such as particulate compositions or liquid (incl. gel, paste-type) compositions containing abrasive components are well known in the art. Such compositions are used for cleaning and/or cleansing a variety of surfaces
Data Source
Figure 1~2
AI summary
A liquid cleaning and/or cleansing composition comprising non-spherical and/or non-rolling abrasive cleaning particles wherein the abrasive cleaning particles comprise extruded, and/or three-dimensional printed, elements having a longitudinal length "L" extending parallel to a z-axis and a complex cross-sectional shape extending on a plane perpendicular to the longitudinal length "L" and parallel to an x-y plane, wherein the complex cross-sectional shape comprises one or more elongate protrusions projecting in a direction parallel to the longitudinal length "L", each protrusion having at least one edge, and wherein the complex cross-sectional shape is a predetermined non-random cross-sectional shape.