Antiviral Resilient Flooring With Wear-Resistant Silver Ion Layers

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Solution Overview

Problem

Existing flooring materials lack long-term antiviral functionality, with antibacterial and antifungal coatings losing effectiveness over time due to wear and friction, and periodic cleaning is time-consuming and inefficient in preventing virus transmission.

Innovation Solution

A multilayered antiviral resilient flooring comprising a stone plastic core layer, a print layer, and a transparent wear layer with an inorganic antiviral material, including silver nanoparticles, that is fused together by heat and pressure, with a surface coating layer for enhanced durability and antiviral properties.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Object-affected harmful factors

If periodic cleaning and sterilization is performed, then virus transmission is reduced, but time consumption and effort increase

Engineering Contradiction:

Improvevirus transmissionVSAvoidcleaning time

Core Design Contradiction:

Object-affected harmful factorsVSLoss of time

Solution Approach 1:

The flooring incorporates an inorganic antiviral material that provides self-sterilizing capability through continuous silver ion release, eliminating the need for manual cleaning and sterilization operations while maintaining antiviral protection

Inventive Principle:

Principle #25Self-service

Solution Approach 2:

The antiviral material provides continuous antiviral protection through sustained silver ion release over time, ensuring constant virus prevention without requiring periodic intervention or cleaning cycles

Inventive Principle:

Principle #20Continuity of useful action

2Object-affected harmful factors

If antibacterial or antifungal coating is applied, then short-term protection is achieved, but long-term effectiveness is lost due to wear

Engineering Contradiction:

Improvebacterial or fungal growthVSAvoidcoating effectiveness duration

Core Design Contradiction:

Object-affected harmful factorsVSDuration of action of stationary object

Solution Approach 1:

The invention transitions from organic antibacterial/antifungal coatings to inorganic antiviral materials with different chemical properties, specifically using silver-containing inorganic materials that provide sustained release and long-term durability resistant to wear and friction

Inventive Principle:

Principle #35Parameter changes

Solution Approach 2:

The flooring uses composite material construction combining inorganic antiviral materials with the flooring substrate, creating a durable integrated structure that maintains antiviral properties long-term unlike surface coatings that wear off

Inventive Principle:

Principle #40Composite materials

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 flooring provides long-term antiviral, antibacterial, and antifungal protection with stable silver ion release, maintaining effectiveness despite wear and reducing the need for frequent cleaning.

Implementation Method 1

provides long-term antiviral, antibacterial, and antifungal protection with stable silver ion release

Methodology Applied

Scientific EffectSilver ion release:

Implementation Method 2

The inorganic antiviral material comprises glass powders with 1 wt % to 2 wt % of silver nanoparticles

Methodology Applied

Scientific EffectDissolution:

Data Source

PatentUS20250347124A1Antiviral resilient flooring

Publication Date: 2025.11.13 MJ INT CO LTD

AI summary

An antiviral resilient flooring including a plate body, a transparent wear layer laid on the p plate body, and a scratch resistant surface coating layer on top. The transparent wear layer and the surface coating layer both contain 0.5 wt % to 5 wt % of an inorganic antiviral material.