Biodegradable Coating Composition With Water-Based Polysaccharide Binder
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Solution Overview
Problem
Existing material formulations, particularly those using synthetic polymer binders, are environmentally harmful, non-biodegradable, and require complex organic solvents, limiting their sustainability and applicability.
Innovation Solution
A composition comprising a polysaccharide binder, filler material, polyhydric alcohol plasticizer, and water-based solvent, with specific weight ratios, to create a biodegradable and environmentally friendly composite.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If synthetic polymer binders are used, then mechanical strength and durability are improved, but environmental harm and non-biodegradability worsen
Solution Approach 1:
The patent changes the chemical composition parameter of the binder from synthetic polymers to natural polysaccharides, transforming the material system to achieve biodegradability while maintaining binding functionality through the specific weight ratio formulation (D:A ≥ 1)
Solution Approach 2:
The patent creates a composite material system combining polysaccharide binder with filler materials and polyhydric alcohol plasticizers, where the synergistic interaction between components provides both mechanical strength and environmental compatibility
2Ease of manufacture
If organic solvents are used, then processing capability is improved, but complexity and environmental harm worsen
Solution Approach 1:
The patent changes the solvent parameter from organic solvents to water-based solvents, fundamentally altering the chemical nature of the solvent system to eliminate the need for complex handling procedures and reduce environmental harm while maintaining dissolution capability
Solution Approach 2:
The patent substitutes chemical mechanisms by replacing organic solvent-based dissolution with water-based dissolution, eliminating the need for specialized ventilation, fire safety, and disposal systems required for organic solvents
3Object-affected harmful factors
If polysaccharide binder with high solvent content is used, then biodegradability is improved, but viscosity and processing difficulty worsen
Solution Approach 1:
The patent optimizes the weight ratio parameter of solvent to binder (D:A ≥ 1) to achieve a balance where sufficient solvent is present to maintain low viscosity and ease of processing, while the polysaccharide binder ensures biodegradability of the final composite
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 a stable, elastically deformable composite with enhanced workability, flexibility, and transparency, reducing environmental impact and enabling a broad range of applications.
Implementation Method 1
Binders are substances that hold or draw other materials (filler material and/or the plasticizer and/or optional additives) together to form a cohesive composite
Implementation Method 2
The solvent of the composition dissolves or disperses the binder and other components for simplifying or enabling the processing
Implementation Method 3
Solvents evaporate after processing. In case of a coating formulation, this allows the coating to form a solid film
Implementation Method 4
The plasticizer is a substance added to the composition to increase flexibility, workability, and/or distensibility and/or to improve tactile properties, reduce brittleness, and/or lower the glass transition temperature of the coating obtained after hardening of the composition
Data Source
AI summary
The invention relates to a composition, a composite, and an object coated with a composite in the form of a coating.