Composite Material Using Compatibilizer to Improve Dispersion
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Solution Overview
Problem
Existing composite materials for the building and construction industries face challenges in achieving desirable mechanical and physical properties while maintaining cost-effectiveness, as high volumes of wax used to reduce viscosity and melting point detrimentally affect mechanical strength, and filler agglomeration hinders property enhancement.
Innovation Solution
A composite material comprising a particulate material, such as fly ash, dispersed in a matrix of thermoplastic polymer and wax, where the particulate material is melt mixed with the polymer and wax to create a homogeneous or heterogeneous mixture, allowing for improved mechanical properties and cost-effectiveness.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If high volume of wax is used to reduce viscosity and melting point, then processability is improved, but mechanical strength deteriorates
Solution Approach 1:
The patent introduces a compatibilizer (typically a graft copolymer or block copolymer containing both polyolefin and polar groups) as an intermediary substance between the polyolefin matrix and mineral filler particles. This compatibilizer improves the interfacial adhesion and dispersion of fillers, allowing for reduced wax content while maintaining processability and mechanical strength. The compatibilizer acts as a bridge that mediates the interaction between incompatible phases.
2Strength
If high concentration of filler is used to improve mechanical properties, then cost-effectiveness is improved, but filler dispersion deteriorates due to agglomeration
Solution Approach 1:
The compatibilizer serves as a mediator that prevents filler agglomeration by improving the wetting and dispersion of mineral filler particles in the polyolefin matrix. It reduces the interfacial tension between filler and matrix, enabling high filler concentrations to be achieved without compromising dispersion uniformity.
Solution Approach 2:
The patent employs surface modification of mineral fillers through chemical treatment (such as silane coating or organic acid treatment) to change the surface properties of fillers. This parameter change in filler surface chemistry improves compatibility with the polyolefin matrix, preventing agglomeration and enabling better dispersion at high filler concentrations.
3Stability of the object's composition
If chemical modification of filler is used to enhance polymer-filler interaction, then filler dispersion is improved, but manufacturing complexity increases
Solution Approach 1:
The patent uses readily available commercial compatibilizers and standard surface treatment agents that can be applied during常规 mixing and extrusion processes. These modifications are performed using conventional equipment and procedures already present in most plastic processing facilities, avoiding the need for specialized or complex manufacturing equipment.
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 material exhibits enhanced mechanical properties like stiffness, strength, and temperature resistance, while maintaining cost-effectiveness, as demonstrated by product performance test results showing improved compression and leachability characteristics.
Implementation Method 1
melt mixing thermoplastic polymer and wax with fly ash
Implementation Method 2
melt mixing thermoplastic polymer and wax with fly ash, thereby dispersing the fly ash in a melt mixture of the composite material
Implementation Method 3
dispersing the fly ash in a melt mixture of the composite material
Implementation Method 4
allowing said melt mixture to harden
Data Source
AI summary
A composite material and method of producing a composite material for use in fabrication, building and construction is disclosed. A composition as disclosed herein comprises a high proportion of particulate waste material dispersed in a matrix of thermoplastic polymer and wax. A method of producing a composite material comprises melt mixing thermoplastic polymer and wax with a particulate material, thereby dispersing the particulate material in a melt mixture of the composite material.