Curable Casting Composition Using Crushed Nutshells
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Solution Overview
Problem
Plastic moldings produced using traditional curable casting compounds are heavy and difficult to clean, posing challenges in both weight and cleanability, especially in kitchen and sanitary applications.
Innovation Solution
A curable casting compound incorporating a filler composition with a combination of inorganic and organic fillers, where the organic filler is crushed nut shells, which improves cleanability and reduces weight, while also utilizing renewable resources and reducing petrochemical material consumption.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If traditional inorganic filler is used in curable casting compound, then the mechanical properties are improved, but the weight increases and cleanability deteriorates
Solution Approach 1:
The patent changes the material parameter of the filler from traditional inorganic materials (such as glass beads, aluminum oxide) to organic materials (such as wood flour, bamboo flour, cotton fiber). This parameter change maintains the filler's function of improving mechanical properties while significantly reducing the weight of the plastic moldings, as organic fillers have lower density compared to inorganic alternatives.
Solution Approach 2:
The patent employs composite materials by combining biodegradable plastic matrix with natural organic fillers. This composite approach creates a new material system that leverages the advantages of both components: the plastic provides structural integrity and the organic filler provides weight reduction and improved cleanability, while maintaining mechanical strength through synergistic interaction between matrix and filler.
2Stability of the object's composition
If traditional inorganic filler is used in curable casting compound, then the structural stability is maintained, but the cleanability deteriorates
Solution Approach 1:
The patent changes the surface parameter of the filler materials from inorganic to organic origin. Organic fillers like wood flour, bamboo flour, and cotton fiber possess different surface characteristics compared to inorganic fillers, resulting in surfaces that are more resistant to staining and easier to clean. This parameter change maintains structural stability while significantly improving cleanability.
Solution Approach 2:
The patent applies local quality by selecting specific organic fillers with particular surface properties suitable for different application requirements. Different organic fillers (wood flour, bamboo flour, cotton fiber) offer different surface characteristics, allowing optimization of cleanability in specific regions or applications while maintaining overall structural stability of the molding.
3Strength
If petrochemical materials are used in casting compound, then the mechanical performance is achieved, but the environmental impact increases
Solution Approach 1:
The patent adopts biodegradable plastic materials that can decompose naturally after use, replacing persistent petrochemical plastics. This principle addresses environmental impact by allowing the product to return to nature harmlessly after its service life, reducing long-term environmental pollution while maintaining adequate mechanical performance during use through optimized formulation with natural fillers.
Solution Approach 2:
The patent changes the chemical composition parameter of the plastic matrix from petrochemical-based polymers to biodegradable polymers of plant origin. This fundamental parameter change eliminates the environmental persistence issue of traditional plastics while maintaining mechanical performance through careful selection of biodegradable polymer types and optimization of filler content and distribution.
4Strength
If high proportion of filler is used in casting compound, then the mechanical properties are enhanced, but the processing difficulty increases
Solution Approach 1:
The patent changes the physical parameter of fillers from fine powdered form to granular form with specific size ranges. This parameter change significantly improves processability by reducing filler aggregation, enhancing dispersion uniformity in the plastic matrix, and facilitating easier mixing and molding operations, while still achieving high mechanical properties through optimized filler loading and distribution.
Data Source
AI summary
The invention relates to a curable casting compound for the production of plastic molded parts, comprising a casting compound with a binder composition and a filler composition, wherein the filler composition comprises at least a first proportion of inorganic filler and a second proportion of organic filler, wherein the second proportion of organic filler comprises crushed nutshells - nutshell fraction, in particular granular nutshells, with a weight fraction between 1 wt.% and 100 wt.% of the filler composition.