Super Elastic Epoxy Hydrogel Actuator Power Reduction
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Solution Overview
Problem
Existing hydrogel actuators face prohibitive power needs and costs for industrial applications, limiting their scalability and efficiency.
Innovation Solution
Development of super elastic epoxy hydrogel polymers formed by reacting polyetheramine with polyglycidyl ether, which can be photo-activated to reduce power requirements and enable efficient ionic and electro-activated responses, allowing for the creation of reversible ionic photo-activated polymer actuators (IPAPs) that can utilize natural daylight for activation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Use of energy by moving object
If traditional hydrogel actuators are used for industrial applications, then actuation functionality is achieved, but power consumption is prohibitively high and costs increase
Solution Approach 1:
The patent modifies the chemical composition parameters of the hydrogel by incorporating specific ratios of polyetheramine (1-5,000 molecular weight) and polyglycidyl ether, along with controlling amine-to-epoxide molar ratios (0.5:1 to 2:1), to achieve a material with fundamentally different energy consumption characteristics that enables industrial-scale deployment
Solution Approach 2:
The invention creates a composite hydrogel system combining polyetheramine chains with polyglycidyl ether crosslinks, forming a network structure that integrates both flexibility and responsive actuation properties, resulting in a material that achieves superior power efficiency compared to traditional single-component hydrogels
2Speed
If traditional EAP materials are used, then actuation is achieved, but actuation speed is limited and energy requirements are high
Solution Approach 1:
The patent optimizes the molecular weight range of polyetheramine (1-5,000) and controls the amine-to-epoxide molar ratio (0.5:1 to 2:1) to tune the crosslinking density and chain mobility, achieving a balance that enables rapid actuation response while maintaining low energy consumption through the superelastic network structure
3Strength
If hydrogel polymers are made more elastic and flexible, then expansion ratio and flexibility improve, but structural stability may be compromised
Solution Approach 1:
The patent creates a composite network where polyetheramine provides flexible chains and polyglycidyl ether provides stable crosslinks, achieving a synergistic structure that simultaneously delivers extreme flexibility with expansion ratios exceeding 1,000% of dry volume and structural integrity for practical applications
Solution Approach 2:
The invention creates local regions of high flexibility through polyetheramine chains while maintaining overall structural stability through the polyglycidyl ether crosslinked network, allowing different parts of the material to fulfill different functional requirements
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 super elastic epoxy hydrogel polymers achieve significant reductions in power consumption and increased actuation speed, enabling industrial-scale applications with reduced energy needs and potential for activation using natural daylight, thus overcoming the limitations of traditional EAP materials.
Implementation Method 1
Hydrogels are highly absorbent polymer materials and are used in various applications, including biomedical applications
Implementation Method 2
which can be photo-activated to reduce power requirements and enable efficient ionic and electro-activated responses
Implementation Method 3
super elastic epoxy hydrogel polymers formed by reacting polyetheramine with polyglycidyl ether
Data Source
AI summary
Described is a super elastic epoxy hydrogel that is easy to manufacture and can be engineered for various performance enhancements of the polymer. Also described are methods of enhancing the performance of this hydrogel and other hydrogels. Various polymer hydrogel composites, structures, and their uses are included, such as the actuator element comprising the hydrogel of the invention depicted in FIG. 2.