Aroma Release via Smart Polymer Phase Transition
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Solution Overview
Problem
Current virtual reality (VR) and digital devices lack the ability to incorporate olfactory experiences, limiting their immersive capabilities as they only transmit text, images, and sound.
Innovation Solution
An aromatizer device with a dispersing mechanism, including a smart polymer matrix and a triggering mechanism, that releases specific aromas in response to predetermined stimuli such as sound, image, or location, using materials like hydrogel and metal-organic frameworks to enhance water retention and controlled release.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If VR and digital devices only use text, images, and sound for transmission, then the device complexity remains low, but the immersive capability and sensory engagement are limited
Solution Approach 1:
The patent employs composite materials including polymer matrices (such as poly(N-isopropylacrylamide)), metal-organic frameworks (MOFs), and cyclodextrin compounds to create a multifunctional aroma release system. These composite materials enable controlled release of aromatic compounds in response to various stimuli while maintaining device integration, thereby enhancing sensory engagement without proportionally increasing device complexity
Solution Approach 2:
The invention utilizes parameter changes in smart polymer materials that respond to environmental stimuli (temperature, pH, moisture) by altering their physical state or permeability. This allows the aroma release mechanism to be triggered by changes in the virtual reality environment parameters, enabling dynamic sensory feedback that adapts to the virtual experience without requiring complex control systems
2Reliability
If smart polymer materials are used for aroma storage and release, then controlled release capability is improved, but the manufacturing precision and material stability requirements increase
Solution Approach 1:
The patent implements local quality by incorporating specific functional materials (MOFs, cyclodextrin compounds) at strategic locations within the polymer matrix structure. This localized placement of materials with specific properties (water retention, aroma encapsulation) allows precise control over release characteristics while simplifying the overall manufacturing process by focusing precision requirements on specific functional zones rather than the entire device
3Adaptability or versatility
If aroma compounds are released in response to multiple stimuli types, then the adaptability and user engagement are enhanced, but the device complexity and control mechanism complexity increase
Solution Approach 1:
The invention achieves universality by designing a single aroma release mechanism that responds to multiple types of stimuli (thermal, chemical, mechanical, optical) through the inherent properties of the smart polymer matrix and embedded compounds. This multi-functional approach allows one component to serve multiple sensing and actuation functions, enhancing adaptability while avoiding the need for separate control mechanisms for each stimulus type
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
Enables the integration of olfactory features into VR and digital experiences, providing a more immersive sensory engagement by releasing specific aromas in response to stimuli, enhancing user engagement and emotional connection through scent.
Implementation Method 1
When the temperature rises above a particular moderate temperature threshold the smart material reversibly shrinks/swells to allow the aroma to escape and disperse
Implementation Method 2
a modified smart material (e.g., PNIPAAm) is complexed with a metal-organic frameworks (MOF), such as via physical blending or functionalization to capture water from the air even at low relative humidity
Implementation Method 3
the smart material incorporates compounds of cyclodextrin or similar materials which have a favorable encapsulation/slow release capacity for aroma
Implementation Method 4
The micro fan can have a bi-directional motor and two functions: a) in the forward direction it blows on the polymer to disperse the aroma
Data Source
AI summary
An apparatus, composition, and method for generating odor on demand. The apparatus includes a dispersing mechanism with a plurality of blister pockets each including a releasable aroma. A triggering mechanism is in combination with each of the plurality of blister pockets and configured to separately rupture individual blister pockets to release a corresponding releasable aroma. A controller is in actuating combination with the triggering mechanism. The controller is configured to monitor for at least one predetermined stimulus to actuate the triggering mechanism. The stimulus can include a predetermined text, sound, image, and/or location generated by the electronic device. A smart material can be used for holding and releasing the aroma or other compound. The smart material can include a porous polymer matrix, wherein the porous polymer matrix releases the material upon an actuation of the triggering mechanism. The invention further includes an electrospun fibrous structure with a hydrogel material having reversible properties for controlled release of the aroma, and a functionalized group to enhance water retention capability of the hydrogel in air. A physical property is reversibly altered as a result of a stimulus to release a compound or aroma and subsequently returns to an unaltered state resulting in containment of any remaining amounts of the compound or aroma.