Organic-Inorganic Composite for Tire Rubber Reinforcement
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Solution Overview
Problem
Existing rubber reinforcing materials, such as silica and other additives, face challenges with low dispersibility and aggregate formation, leading to deteriorated mechanical strength and abrasion resistance in eco-friendly tire applications.
Innovation Solution
An organic-inorganic composite is developed using amorphous aluminosilicate particles with a specific composition and a silane-based coupling agent, which enhances dispersibility and reinforcing effects in rubber compositions for tires, improving abrasion resistance and reducing rolling resistance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Use of energy by moving object
If silica or other rubber reinforcing white additives are used to reduce rolling resistance, then fuel efficiency is improved, but dispersibility decreases due to aggregate formation resulting in deteriorated mechanical strength
Solution Approach 1:
The patent introduces a silane coupling agent as an intermediary substance that mediates between the inorganic filler particles and the rubber matrix. The silane coupling agent bonds to the surface of the filler particles, creating a compatible interface that prevents aggregate formation while maintaining the reinforcing effect, thus resolving the contradiction between fuel efficiency and mechanical strength
Solution Approach 2:
The patent creates a composite material system consisting of inorganic filler particles, silane coupling agent, and rubber matrix. This multi-component composite structure allows the combination of benefits from each component: the inorganic filler provides rolling resistance reduction, while the silane coupling agent ensures proper dispersion and maintains mechanical strength
2Reliability
If highly dispersed precipitated silica with silane coupling agent is used to improve abrasion resistance, then dispersibility is improved, but the complexity of the material composition increases
Solution Approach 1:
The patent optimizes specific parameters including the silane-to-filler ratio (0.1-5 wt%), filler particle size (0.1-10 μm), and curing temperature (100-200°C) to achieve the desired balance between abrasion resistance and composition simplicity. By controlling these parameters within specific ranges, the patent maintains good dispersibility and abrasion resistance without excessive complexity
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 composite exhibits excellent dispersibility and reinforcing effects, particularly in abrasion resistance, while maintaining processability, making it suitable for eco-friendly tire applications with enhanced durability and fuel efficiency.
Implementation Method 1
a silane-based coupling agent bonded to at least a part of a surface of aluminosilicate particles
Data Source
AI summary
The present disclosure relates to an organic-inorganic composite for rubber reinforcement, a method for preparing the same, and a rubber composition for tires including the same. The organic-inorganic composite for rubber reinforcement according to the present disclosure exhibits excellent dispersibility in the rubber composition and reinforcing effect, and thus can be suitably used for eco-friendly tires requiring high efficiency and high fuel efficiency characteristics.