Micronized Soluble Composite Powder for Coating Dispersion

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Solution Overview

Problem

Submicron particles are difficult to disperse in liquid systems, posing handling and safety risks, and existing micronized composite powders are not suitable for water-based or solvent-based coatings, limiting their versatility and safety.

Innovation Solution

A micronized soluble thermoplastic composite powder is developed, incorporating submicron particles like nano-aluminum oxide, nano-titanium oxide, or graphene oxide, which are dispersed in a thermoplastic matrix, allowing for easy incorporation into various systems, including coatings and personal care products, while minimizing safety concerns.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Strength

If submicron particles are used to enhance coating properties, then surface durability and functionality are improved, but dispersion difficulty and handling safety deteriorate

Engineering Contradiction:

Improvesurface durabilityVSAvoiddispersion ease

Core Design Contradiction:

StrengthVSEase of operation

Solution Approach 1:

The patent combines submicron particles with soluble thermoplastic materials to form composite powder additives. This composite structure allows the submicron particles to maintain their durability-enhancing properties while the thermoplastic matrix improves dispersion characteristics and handling safety, resolving the contradiction between surface durability and dispersion ease.

Inventive Principle:

Principle #40Composite materials

Solution Approach 2:

The soluble thermoplastic material acts as an intermediary carrier that facilitates the dispersion of submicron particles in liquid systems. The thermoplastic dissolves in the liquid coating, releasing the submicron particles in a controlled manner, thereby improving dispersion ease while preserving the particles' surface durability benefits.

Inventive Principle:

Principle #24Intermediary (Mediator)

2Strength

If submicron particles are used to enhance coating properties, then surface durability is improved, but handling safety and particle trapping issues deteriorate

Engineering Contradiction:

Improvesurface durabilityVSAvoidhandling safety

Core Design Contradiction:

StrengthVSObject-affected harmful factors

Solution Approach 1:

By embedding submicron particles within a soluble thermoplastic matrix, the composite powder reduces the risks associated with handling free submicron particles. The thermoplastic binder minimizes particle trapping in equipment and improves handling safety while maintaining the surface durability benefits of the submicron particles.

Inventive Principle:

Principle #40Composite materials

Solution Approach 2:

The patent converts the potential harm of free submicron particles (handling safety issues, particle trapping) into a benefit by encapsulating them in soluble thermoplastic material. The thermoplastic acts as a protective vehicle that eliminates handling hazards while enabling controlled release of the particles for their intended durability-enhancing function.

Inventive Principle:

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

3Ease of operation

If existing micronized composite powders are used, then ease of incorporation is improved, but versatility in water-based or solvent-based coatings deteriorates

Engineering Contradiction:

Improveease of incorporationVSAvoidcoating system compatibility

Core Design Contradiction:

Ease of operationVSAdaptability or versatility

Solution Approach 1:

The soluble thermoplastic material serves as a universal carrier that is compatible with both water-based and solvent-based coating systems. This multi-functionality allows the composite powder to be easily incorporated into various coating types, simultaneously improving ease of incorporation and expanding coating system compatibility.

Inventive Principle:

Principle #6Universality (Multi-functionality)

Solution Approach 2:

The patent utilizes the soluble thermoplastic material's ability to dissolve in different liquid media (water or solvents) to achieve versatility across coating systems. By changing the dissolution parameter based on the coating type, the composite powder maintains ease of incorporation while adapting to different coating formulations.

Inventive Principle:

Principle #35Parameter changes

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 soluble composite powder effectively disperses in industrial coatings, cosmetics, and personal care products, enhancing surface durability and safety by avoiding particle trapping and ensuring safe handling, breathing, and ingestion.

Implementation Method 1

The powder is soluble... The at least one soluble thermoplastic material is soluble in water-based and/or solvent-based liquid systems

Methodology Applied

Scientific EffectDissolution: Solvation

Data Source

PatentUS11987689B2Micronized soluble composite powder additive

Publication Date: 2024.05.21 MICRO POWDERS INC

AI summary

A soluble composite powder comprising homogenous composite particles, the homogenous composite particles comprising at least one soluble thermoplastic material and at least one submicron nanoparticle material. The at least one soluble thermoplastic material comprises from about 50 to 99 weight percent of the powder, and the at least one submicron nanoparticle material comprises from about 1 to 50 weight percent of the powder. The powder is soluble.