Graphene Oxide Acrylic Rubber Composition for Heat-Resistant Strength
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Solution Overview
Problem
Acrylic rubbers and their vulcanizates require enhanced tensile properties and heat resistance to meet modern demands, particularly in applications like automobile engine components, where emission controls and higher engine power are necessary.
Innovation Solution
Incorporating graphene oxide at a nanoscale into the acrylic rubber composition, which can be cured or vulcanized, improves tensile properties and heat resistance, with specific ratios of graphene oxide to acrylic rubber and functional groups optimizing the performance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If conventional acrylic rubber is used, then basic physical properties are maintained, but tensile properties and heat resistance are insufficient
Solution Approach 1:
The patent applies composite materials by incorporating graphene oxide into acrylic rubber to create a new material system. The graphene oxide forms a three-dimensional network structure within the rubber matrix, combining the elasticity of rubber with the strength and thermal stability of graphene oxide, thereby simultaneously improving both tensile properties and heat resistance
Solution Approach 2:
The patent changes the physical and chemical parameters of the rubber system by controlling the particle size of graphene oxide at the nanoscale (1-100 nm) and optimizing its content (0.1-50 parts by mass per 100 parts of acrylic rubber). This parameter optimization enables effective dispersion and maximizes the reinforcing effect on tensile strength and heat resistance
2Strength
If nanosized filler is dispersed in rubber, then physical properties improve, but manufacturing complexity increases
Solution Approach 1:
The patent uses silane coupling agents as intermediary substances to facilitate the dispersion of graphene oxide in acrylic rubber. The silane coupling agent acts as a bridge between the hydrophobic graphene oxide surface and the polymer matrix, improving interfacial adhesion and enabling uniform distribution without requiring excessively complex dispersion equipment or processes
Solution Approach 2:
The patent controls the particle size parameter of graphene oxide within the specific range of 1-100 nm, which is small enough to achieve good dispersion through conventional mixing equipment while still large enough to maintain structural integrity and reinforcing effect. This parameter optimization balances dispersion ease with performance enhancement
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 resulting acrylic rubber composition exhibits significantly improved tensile properties and heat resistance, making it suitable for high-performance applications such as rubber hoses, sealing parts, and vibration isolators.
Implementation Method 1
by finely dispersing the carbon material on the nanosize level, tensile properties and heat resistance can be improved
Data Source
AI summary
Provided are an acrylic rubber composition having higher tensile properties and higher heat resistance and a vulcanizate thereof. The present invention provides an acrylic rubber composition comprising 0.1 to 50 parts by mass of a carbon material comprising graphene oxide, relative to 100 parts by mass of an acrylic rubber.