Smart composite textiles and methods of forming
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Solution Overview
Problem
Current smart materials for industries like apparel, architecture, and aerospace require expensive, complex electromechanical devices and bulky components, limiting the efficient production of dynamic systems and adaptive products, and existing smart materials are costly and difficult to customize.
Innovation Solution
Engineered composite textiles are developed using additive manufacturing techniques to create materials with gradients in mechanical, material, or structural properties that respond to external stimuli, mimicking natural materials by mapping biological architectures and incorporating bioactive agents or cells.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If expensive electromechanical devices and bulky components are used to create smart materials, then dynamic and adaptive functions are achieved, but cost and device complexity increase significantly
Solution Approach 1:
The patent replaces complex electromechanical systems with intrinsic material properties. Shape memory polymers and composite materials exhibit dynamic responses (shape changes, stiffness variations) through material-level mechanisms rather than mechanical actuators, eliminating motors, sensors, and control electronics while achieving adaptive functionality
Solution Approach 2:
The patent utilizes changes in material parameters (temperature, moisture, pH) to trigger dynamic responses. Shape memory polymers change shape or stiffness in response to environmental stimuli, enabling adaptive behavior through parameter-driven phase transitions rather than active control systems
2Ease of manufacture
If fixed-shaped smart materials are used, then manufacturing is simplified, but customization and adaptability to specific products are limited
Solution Approach 1:
The patent divides smart materials into discrete functional components (shape memory polymer segments, stimulus-responsive elements) that can be independently designed and assembled. This segmentation enables modular customization for different applications while maintaining standardized manufacturing processes for each component
Solution Approach 2:
The patent develops smart materials with multiple responsive mechanisms (thermal, moisture, pH sensitivity) within a single material system. This multi-functionality allows the same base material to be customized for different applications by adjusting composition or geometry rather than requiring entirely different materials
3Adaptability or versatility
If conventional smart materials are used, then some dynamic structure is achieved, but cost becomes extremely high limiting use to niche markets
Solution Approach 1:
The patent combines shape memory polymers with common materials (metals, ceramics, textiles) to create composite structures. The smart functionality is concentrated in thin polymer layers or specific components rather than requiring expensive smart materials throughout the entire structure, significantly reducing overall material cost while maintaining dynamic performance
Data Source
AI summary
A smart material includes a composite textile that includes a textile substrate and a material disposed via an additive manufacturing technique onto the textile substrate based on an additive manufacturing pattern. The composite textile includes a gradient in least one of mechanical property, material property, or structural property and/or exhibits a change in at least one mechanical property, material property, or structure in response to at least one external stimulus.