Poly(3-hydroxybutyrate) Copolymer Particles for Impact Cushioning
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Solution Overview
Problem
Existing impact-cushioning particles, such as those made from rubber or polylactic acid, face challenges in marine biodegradability and impact-absorbing performance, leading to environmental pollution and inadequate cushioning.
Innovation Solution
The development of impact-cushioning particles containing a poly(3-hydroxybutyrate) resin component, specifically a copolymer of 3-hydroxybutyrate units and other hydroxyalkanoate units, which offers high marine biodegradability and effective impact-absorbing performance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If rubber or elastomer particles are used for impact cushioning, then impact-absorbing performance is improved, but environmental pollution (marine biodegradability) deteriorates
Solution Approach 1:
The patent changes the chemical composition parameters of the resin by controlling the copolymerization of 3-hydroxybutyrate with other hydroxyalkanoates at specific ratios (1-24 mol%), creating a material that maintains mechanical performance while achieving biodegradability. This parameter optimization resolves the contradiction between impact absorption and environmental harm.
Solution Approach 2:
The patent creates a composite material system combining poly(3-hydroxybutyrate) with controlled copolymer content to achieve both impact-cushioning performance and marine biodegradability, replacing traditional non-biodegradable rubber or elastomer particles.
2Object-affected harmful factors
If biodegradable materials like polylactic acid are used, then environmental pollution is reduced, but impact-absorbing performance deteriorates
Solution Approach 1:
The patent modifies the physical and chemical parameters of biodegradable resin by controlling copolymerization degree and composition, transforming rigid polylactic acid into a material with appropriate flexibility and impact absorption capability while maintaining biodegradability.
3Object-affected harmful factors
If palm shells or wooden chips are used, then marine biodegradability is improved, but water absorption increases causing performance deterioration
Solution Approach 1:
The patent changes the material composition from natural organic materials (palm shells, wood) to controlled synthetic poly(3-hydroxybutyrate) copolymers, maintaining biodegradability while eliminating excessive water absorption through precise compositional control.
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
These particles demonstrate superior marine biodegradability and impact-absorbing performance, making them suitable for use in artificial turf and paved structures while minimizing environmental impact.
Implementation Method 1
impact-cushioning particles containing a poly(3-hydroxybutyrate) resin component... have impact-absorbing performance required of materials used in a paved road, artificial turf
Implementation Method 2
particles containing a poly(3-hydroxybutyrate) resin component have high marine biodegradability
Data Source
AI summary
Impact-cushioning particles contain a poly(3-hydroxybutyrate) resin component. The poly(3-hydroxybutyrate) resin component contains a copolymer component (A), and the copolymer component (A) includes a copolymer (A-1) and/or a copolymer (A-2) listed below. The impact-cushioning particles are suitable for use, in particular, in artificial turf or a paved structure. Copolymer (A-1): Copolymer of 3-hydroxybutyrate units and other hydroxyalkanoate units, in which the content of the other hydroxyalkanoate units is from 1 to less than 10 mol%. Copolymer (A-2): Copolymer of 3-hydroxybutyrate units and other hydroxyalkanoate units, in which the content of the other hydroxyalkanoate units is 24 mol% or more.