Textile Composite with Starch-Based Biodegradability Enhancement
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Solution Overview
Problem
Synthetic polymers used in textiles have low biodegradability compared to natural fibers, making them environmentally unfriendly, and existing methods to enhance biodegradability are costly and inefficient, especially for small-scale productions and materials that require specific processing conditions.
Innovation Solution
A composition comprising starch and other additives is applied to synthetic polymer-based textile substrates to enhance their anaerobic biodegradability, avoiding the need for costly additives and complex processing, while maintaining the material's properties and reducing production costs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If biodegradability enhancing additives are incorporated during extrusion of synthetic polymers, then biodegradability is improved, but production costs and process complexity increase
Solution Approach 1:
The patent applies preliminary action by pre-mixing the biodegradability enhancing additives with natural fibers in a separate step before the extrusion process. This preparation is done in advance, allowing the additives to be ready for incorporation without complicating the main extrusion process, thus improving biodegradability while maintaining process simplicity
Solution Approach 2:
The patent uses natural fibers as an intermediary carrier to transport the biodegradability enhancing additives into the synthetic polymer matrix. The additives are first mixed with the natural fibers, which then serve as a vehicle to distribute the additives uniformly throughout the composite material during extrusion, simplifying the overall process
2Reliability
If biodegradability enhancing additives are disposed on the material surface, then biodegradability is improved, but the distribution uniformity and effectiveness decrease
Solution Approach 1:
The patent utilizes the porous structure of natural fibers to absorb and hold the biodegradability enhancing additives within their matrix. This porous absorption mechanism ensures that additives are distributed throughout the fiber volume rather than just on the surface, achieving uniform distribution when the fibers are incorporated into the synthetic polymer composite
Solution Approach 2:
The patent creates a composite structure where natural fibers containing the additives are combined with synthetic polymers. This composite approach allows the additives to be embedded within the natural fiber phase, ensuring uniform distribution throughout the final composite material while maintaining the distinct properties of both components
3Reliability
If conventional biodegradability enhancement methods are used, then biodegradability is improved, but production time and manufacturing costs increase
Solution Approach 1:
The patent merges the biodegradability enhancement function with the existing extrusion process by incorporating additives-premixed-natural-fbers as a component feedstock. This integration allows biodegradability enhancement to occur within the standard production workflow without requiring separate processing steps, thereby maintaining production efficiency while achieving improved biodegradability
Solution Approach 2:
The patent employs natural fibers that serve multiple functions: they act as a carrier for the biodegradability enhancing additives, provide structural reinforcement to the composite, and contribute to the overall material properties. This multi-functionality eliminates the need for separate additive carrier materials, simplifying the process and reducing production time
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 method significantly increases the biodegradability of synthetic polymer textiles without compromising their mechanical properties, reduces manufacturing time, and integrates biodegradability enhancement into existing textile production processes, ensuring effective anaerobic degradation without adverse effects during use.
Implementation Method 1
The first step is an abiotic, chemical process that requires the presence of oxygen so that degradation of a material can occur through oxidation
Implementation Method 2
The second step of oxo-biodegradation is a biological process that requires the presence of at least one biodegradative living organism that is capable of biodegradative consumption of the material
Data Source
Figure 1a~2b
Figure 3a~3b
Figure 4a~4c
AI summary
The invention relates to a textile composite, comprising a textile substrate, which comprises a synthetic polymer and cotton, and a composition for enhancing the biodegradability of the textile substrate, wherein the composition is absorbed by the cotton.