Damping Resin Composition with Multipeak Emulsion for Low-Temperature Drying
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Solution Overview
Problem
Conventional water-based resin compositions for damping materials exhibit slower film-forming properties during drying and higher energy consumption compared to solvent-based compositions, necessitating a shift towards compositions that reduce energy consumption while maintaining performance.
Innovation Solution
A resin composition with polymer emulsion particles having multiple peaks in the particle size distribution, achieved by adding an emulsifier separately during polymerization, enhances low-temperature drying properties and coating stability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If water-based resin composition is used instead of solvent-based composition, then VOC emission is reduced and environmental protection is improved, but film-forming speed during drying is slower and energy consumption is higher
Solution Approach 1:
The invention changes the particle size distribution parameter of the polymer emulsion from a single peak to multiple peaks. This parameter change enables the emulsion to form a stable coating film at lower drying temperatures, reducing the energy required for drying while maintaining the water-based formulation that eliminates VOC emissions.
Solution Approach 2:
The invention uses a composite particle size distribution system combining different sized polymer emulsion particles (multiple peaks in size distribution). This composite structure allows smaller particles to fill gaps between larger particles, creating a denser, more stable film that forms more efficiently at lower temperatures, thereby reducing energy consumption while maintaining the environmental benefits of water-based formulations.
2Object-affected harmful factors
If water-based resin composition is used instead of solvent-based composition, then VOC emission is reduced and environmental protection is improved, but film-forming speed during drying is slower
Solution Approach 1:
The invention modifies the particle size distribution parameter from single peak to multiple peaks, which fundamentally changes the drying and film-forming behavior. The multi-modal distribution allows for more efficient packing and faster coalescence at lower temperatures, accelerating the film-forming process while maintaining the VOC-free advantage of water-based compositions.
3Object-affected harmful factors
If conventional water-based resin composition is used, then VOC emission is reduced, but coating stability is insufficient and crack resistance is poor
Solution Approach 1:
The invention employs a composite particle size distribution system with multiple peaks, creating a hierarchical structure in the coating film. This composite architecture enhances coating stability and crack resistance by distributing stress more effectively throughout the film, while maintaining the environmental benefits of water-based formulations.
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 composition achieves excellent low-temperature drying and coating stability with reduced energy consumption, forming a crack-resistant film with improved handleability and damping properties across a wide temperature range.
Implementation Method 1
a particle size distribution analyzer by dynamic light scattering
Data Source
AI summary
The present invention aims to provide a resin composition for damping materials which has excellent low-temperature drying properties and excellent coating stability. The present invention relates to a resin composition for damping materials, the composition containing polymer emulsion particles and having multiple peaks in a particle size distribution measured using a particle size distribution analyzer by dynamic light scattering.