Organic Composite Material from Heterogeneous Waste
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Solution Overview
Problem
Current waste management technologies face challenges in efficiently processing and converting heterogeneous household solid natural waste into usable composite materials, particularly in reducing the carbon footprint and achieving biodegradability.
Innovation Solution
Development of a bio-based, thermoplastic-like composite material (OCM) made from heterogeneous household solid natural waste, with a composition of at least 90 wt% organic material, characterized by a low carbon footprint, high biodegradability, and minimal synthetic polymer content.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If heterogeneous household solid natural waste is processed into composite material, then biodegradability and carbon footprint reduction are improved, but processing efficiency and material stability are worsened
Solution Approach 1:
The patent applies parameter changes by controlling the molecular weight distribution of the organic composite material to achieve optimal balance between biodegradability and processing efficiency. By adjusting the molecular weight parameters and composition ratios, the material achieves both low carbon footprint and acceptable processing performance
Solution Approach 2:
The patent creates a composite material system combining organic waste components with specific physical and chemical properties. This composite approach allows the material to exhibit both biodegradability from organic content and stability from the composite structure, resolving the contradiction between environmental benefits and processing efficiency
2Object-affected harmful factors
If organic composite material with high biodegradability is produced, then environmental impact is reduced, but material stability and durability are worsened
Solution Approach 1:
The patent uses parameter changes by optimizing the molecular weight distribution and composition parameters of the organic composite material. These parameter adjustments enable the material to maintain stability during processing and service while preserving biodegradability for environmental decomposition
Solution Approach 2:
The patent applies local quality by creating different functional zones within the composite material structure. The material exhibits stable properties in its bulk form for durability and structural integrity, while maintaining biodegradable characteristics at the molecular level for environmental decomposition, thus satisfying both stability and environmental requirements
3Ease of manufacture
If thermoplastic properties are achieved in organic composite material, then processability is improved, but biodegradability is worsened
Solution Approach 1:
The patent applies parameter changes by carefully controlling the thermal and molecular parameters of the organic composite material. By adjusting composition ratios, molecular weight distribution, and thermal processing parameters, the material achieves thermoplastic behavior for easy manufacturing while preserving biodegradability through appropriate material selection and structure design
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 OCM exhibits a carbon footprint of below −10 KgCO2 eq/Kg, achieves over 90% degradation in compost within 80 days when compounded with polylactic acid, and maintains thermoplastic properties, making it suitable for various industrial applications while reducing environmental impact.
Implementation Method 1
achieves over 90% degradation in compost within 80 days when compounded with polylactic acid
Data Source
AI summary
The present disclosure concerns and organic composite material (OCM), a process for its preparation and its uses, the OCM comprising a blend comprising at least 90 wt % heterogenous organic matter; the OCM being characterized by (i) a carbon footprint of below about 10 KgCO2 eq/Kg as determined according to ISO 14040: 2006; (ii) when it is compounded with polypropylene, a Melt Flow Index (MFI 230° C./2.16 Kg) of more than about 30 g/10 min as determined according to 1801133-1:2011 and biodegradability. Also, the OCM is characterized by a synthetic polymer content of between 0 wt % and 3 wt % and/or no detectable amount of specific synthetic polymers.