CO2 Absorbent Liposomes in Labels and Wristbands

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Solution Overview

Problem

Conventional information-bearing media, such as labels, stickers, and wristbands, generate carbon dioxide when incinerated, contributing to environmental issues like global warming, as they lack a mechanism to absorb or mitigate CO2 emissions during disposal.

Innovation Solution

Incorporating a carbon dioxide absorbent, mixed with a dispersion aid and encapsulated in liposomes, into the medium body of information-bearing media, such as label substrates, adhesive layers, backing papers, and wristband clips, to absorb CO2 during incineration.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Loss of substance

If conventional information-bearing media are incinerated for disposal, then the media can be disposed of, but carbon dioxide is generated contributing to global warming

Engineering Contradiction:
Improvedisposal of mediaVSAvoidcarbon dioxide generation
Core Design Contradiction:
Loss of substanceVSObject-generated harmful factors

Solution Approach 1:

The patent incorporates a carbon dioxide absorbent into the information-bearing medium that converts the harmful CO2 generated during incineration into a beneficial byproduct. The absorbent material captures CO2 molecules and transforms them into stable carbonate compounds, effectively converting the harmful emission into a useful chemical transformation that reduces greenhouse gas emissions while the medium is being disposed of.

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

Solution Approach 2:

The patent changes the chemical parameters of the incineration process by introducing a carbon dioxide absorbent with specific chemical properties. The absorbent material has high CO2 affinity and reactivity under incineration conditions, allowing it to capture CO2 and convert it into stable carbonates. This parameter change transforms the incineration process from a purely harmful emission source into a dual-purpose process that simultaneously destroys the medium and captures CO2.

Inventive Principle:
Principle #35Parameter changes

2Object-generated harmful factors

If a carbon dioxide absorbent is added to the medium body, then CO2 emissions are reduced during incineration, but the manufacturing complexity increases

Engineering Contradiction:
Improvecarbon dioxide emission reductionVSAvoidmanufacturing process complexity
Core Design Contradiction:
Object-generated harmful factorsVSDevice complexity

Solution Approach 1:

The patent merges the carbon dioxide absorbent functionality with the existing information-bearing medium structure. The absorbent is integrated into the medium body, adhesive layer, or backing paper, combining multiple functions (information bearing and CO2 absorption) into a single unified product. This merging approach eliminates the need for separate CO2 capture systems and simplifies the overall manufacturing process despite adding functional complexity.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The patent uses composite material construction by combining the base medium materials (paper, plastic, adhesive) with carbon dioxide absorbent materials. This creates a multi-functional composite structure where the absorbent particles are dispersed throughout or layered onto the medium, providing both the original medium functions and CO2 capture capability. The composite approach allows for flexible manufacturing using existing material processing techniques.

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 carbon dioxide absorbent effectively reduces CO2 emissions by absorbing CO2 not only during the incineration of the media but also when they are disposed of with other objects, thereby contributing to carbon dioxide reduction methods.

Implementation Method 1

a carbon dioxide absorbent obtained by mixing a carbon dioxide-absorbing substance and a dispersion aid, configured to absorb carbon dioxide generated during incineration

Methodology Applied
Scientific EffectAbsorption: Absorption (physical)

Data Source

PatentEP2660797B1Label, printing paper top layer formation material, information-bearing medium, wristband clip, and carbon dioxide reduction method using same
Publication Date: 2020.04.22 SATO HLDG CORP
  • EP2660797B1 patent drawingFigure 1
  • EP2660797B1 patent drawingFigure 2
  • EP2660797B1 patent drawingFigure 3(1)~3(2)

AI summary

Provided are a label, a top layer material formed on a printing medium, an information-bearing medium, a solid fuel and a wristband clip having the function of absorbing carbon dioxide, and carbon dioxide reduction methods using the same. Provided are labels 101, 120, 130 and 140, top layer materials formed on a printing medium 201, 246 and 266, information-bearing media 301, 330, 350 and 360, a solid fuel 401, and a wristband clip 510, to which a new carbon dioxide absorbent is added. Provided are also carbon dioxide reduction methods of absorbing carbon dioxide by burning the same.