Particle-Filled Damping Adhesive for Shock-Resistant Bonding

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Solution Overview

Problem

Existing adhesives face challenges in providing sufficient flexibility and damping properties, especially under varying environmental conditions, which can lead to material separation or malfunction due to energy transfer and physical shocks.

Innovation Solution

Incorporating three-dimensional particles into adhesives that compress and oscillate in response to applied energy, thereby reducing the impact on substrates by diffusing energy and providing a controlled opposing force, potentially enhanced with magnetic or electric fields and sensors for dynamic response.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Strength

If traditional adhesives are used to provide strong bonding, then adhesion strength is improved, but flexibility and damping properties deteriorate

Engineering Contradiction:

Improveadhesion strengthVSAvoidflexibility

Core Design Contradiction:

StrengthVSAdaptability or versatility

Solution Approach 1:

The patent combines traditional adhesive material with three-dimensional particles to create a composite adhesive system. This composite structure allows the adhesive to maintain strong bonding properties while the embedded 3D particles provide flexibility and damping characteristics, resolving the contradiction between adhesion strength and flexibility.

Inventive Principle:

Principle #40Composite materials

Solution Approach 2:

The three-dimensional particles are distributed within the adhesive matrix to provide localized damping and flexibility properties. This allows different regions of the adhesive to have different functional characteristics - the adhesive matrix provides bonding while the dispersed particles provide flexibility and energy absorption.

Inventive Principle:

Principle #3Local quality

2Strength

If adhesive provides strong bonding to prevent material separation, then adhesion strength is improved, but ability to accommodate expansion and contraction deteriorates

Engineering Contradiction:

Improvebonding strengthVSAvoiddimensional stability

Core Design Contradiction:

StrengthVSStability of the object's composition

Solution Approach 1:

The composite structure of adhesive with embedded three-dimensional particles creates a material that can simultaneously provide strong bonding and accommodate dimensional changes. The particles act as micro-springs that can compress and expand, allowing the adhesive layer to maintain bond strength while absorbing expansion and contraction forces.

Inventive Principle:

Principle #40Composite materials

Solution Approach 2:

The three-dimensional particles provide dynamic response to dimensional changes in the bonded materials. As the substrates expand or contract, the particles compress and rebound, creating a dynamic cushioning effect that maintains bonding strength while accommodating dimensional instability.

Inventive Principle:

Principle #15Dynamics

3Strength

If adhesive is used to bind objects, then bonding capability is improved, but resistance to physical shocks and energy transfer deteriorates

Engineering Contradiction:

Improvebonding capabilityVSAvoidshock resistance

Core Design Contradiction:

StrengthVSObject-affected harmful factors

Solution Approach 1:

The three-dimensional particles are pre-positioned within the adhesive matrix to provide cushioning before shock events occur. When physical shocks or energy transfers occur, these particles immediately begin to compress and absorb the impact energy, protecting the bonded joint from damage before the shock can propagate through the adhesive layer.

Inventive Principle:

Principle #11Beforehand cushioning (Prior cushioning)

Solution Approach 2:

The patent converts the harmful effect of energy transfer and physical shocks into a beneficial damping effect. The three-dimensional particles are designed to absorb and dissipate impact energy through controlled deformation, transforming the harmful shock energy into harmless heat and minor particle deformation, thereby protecting the bonded structure.

Inventive Principle:

Principle #22Blessing in disguise (Convert harm into benefit)

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 adhesive system effectively dampens energy transfer and physical shocks, reducing the risk of material damage by diffusing energy and maintaining substrate stability through controlled energy return and dynamic adjustments.

Implementation Method 1

an initial applied energy received by the substrate causes the particle to compress from a natural expanded state to a compressed state. The three-dimensional structure subsequently returns to its expanded state, thereby imparting an opposing energy on the substrate

Methodology Applied

Scientific EffectElastic deformation: Elasticity

Implementation Method 2

The particles are configured to provide a controlled response to an applied force field... the opposing force acts to reduce the effects of the disruption

Methodology Applied

Scientific EffectEnergy dissipation: Damping

Data Source

PatentUS11719307B1Damping adhesive

Publication Date: 2023.08.08 NEWTONOID TECH L L C

AI summary

Adhesive damping systems are described. A damping system for reducing the effects on a substrate caused by a disruption in the substrate environment includes an adhesive having a plurality of three-dimensional particles dispersed therein. The particles are configured to provide a controlled response to an applied force field. The system further includes a sensor which measures an amplitude and frequency spectrum of the disruption. In a use configuration, the sensor determines the amplitude and frequency spectrum of the disruption received by the substrate; and the applied force field is dependent on the amplitude and frequency spectrum of the disruption.