Toroid Carbon Nanoparticles in Polymer Composites
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Solution Overview
Problem
Current polymer composite materials, including nanocomposites, fail to achieve sufficient density and mechanical properties such as elasticity, rigidity, and strength, particularly with elastic modulus below 500 GPa, which is desirable for engineering applications.
Innovation Solution
A nanocomposite material is developed containing a polymer binder, filler, and a nanoparticle fraction of multi-layer toroid-shaped carbon particles with specific size and shape ratios, along with optional carbon nanotubes and fullerenes, to enhance mechanical properties by increasing average density and interfacial interactions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If conventional nanocomposite materials are used with standard fillers and polymer binders, then manufacturing and processing are relatively simple, but the elastic modulus remains below 500 GPa and density is insufficient
Solution Approach 1:
The patent creates a multi-component nanocomposite system combining polymer binder, conventional filler, and specifically engineered toroid-shaped carbon nanoparticles (15-150 nm diameter with 10:1 to 3:1 outer diameter to thickness ratio). This composite approach integrates multiple material types at the nanoscale to achieve elastic modulus exceeding 500 GPa and enhanced density, resolving the contradiction between simplicity and high performance by introducing a specialized nanoparticle component that delivers disproportionate mechanical benefits
Solution Approach 2:
The invention changes critical material parameters by controlling nanoparticle size (15-150 nm), shape (toroid with specific diameter-to-thickness ratio of 10:1 to 3:1), and concentration (0.02-50% of binder mass). These parameter optimizations enable the material to achieve elastic modulus over 500 GPa and improved density while maintaining processability, transforming conventional nanocomposite limitations into high-performance characteristics
2Strength
If the nanoparticle fraction is increased to improve mechanical strength, then compression and strength increase, but the material complexity and processing difficulty increase
Solution Approach 1:
The patent optimizes nanoparticle concentration parameters within specific ranges (0.02-50% of binder mass, with preferred embodiments at 1-10%) to achieve maximum compression and strength enhancement. This parameter optimization ensures that mechanical properties improve significantly while maintaining reasonable processing characteristics, avoiding the pitfalls of excessive nanoparticle loading that would cause agglomeration and manufacturing difficulties
Solution Approach 2:
The toroid-shaped carbon nanoparticles provide localized reinforcement at critical stress concentration points within the composite matrix. Their specific geometry (10:1 to 3:1 outer diameter to thickness ratio) creates efficient stress distribution zones that enhance compression and strength without requiring uniform high concentrations throughout the entire material, thereby improving mechanical properties while maintaining manufacturing feasibility
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 proposed nanocomposite material achieves improved compression, rigidity, and strength, extending the lifespan of products made from it, with toroid-shaped carbon nanoparticles significantly contributing to increased density and material performance.
Implementation Method 1
Adding of such modified additive permits to obtain nanocomposite material effective compression and strengthening close to the filler/binder interphase borders, thus increasing it average density, elasticity, rigidity and strength
Implementation Method 2
Adding of such modified additive permits to obtain nanocomposite material effective compression and strengthening close to the filler/binder interphase borders, thus increasing it average density, elasticity, rigidity and strength
Implementation Method 3
Adding of such modified additive permits to obtain nanocomposite material effective compression and strengthening close to the filler/binder interphase borders, thus increasing it average density, elasticity, rigidity and strength
Data Source
AI summary
The invention relates to a nanocomposite material that contains a polymer binder, a filler and a fraction of nanoparticles, characterized in that the fraction of nanoparticles comprises multi-layered carbon particles having a toroidal shape with a size of 15 to 150 nm, wherein the ratio between the outer diameter and the thickness of the torus body is in a range of (10-3): 1. This nano-modification makes it possible to obtain an efficient compaction and hardening of the nanocomposite material close to the filler/binder inter-phase barrier, and accordingly to increase the average density, elasticity, hardness and resistance of the material. The invention can be used for making various parts and articles for use in mechanical engineering and transport, including instrument holders for the precise surface treatment of parts.