Polymer Brush Reaction Composition for Stable Surface Polymerisation

Resolve Bottlenecks,
Find Innovative SolutionsGenerate Solutions

Solution Overview

Problem

The formation of polymer brushes on solid surfaces is a complex and time-consuming process requiring specialized equipment and unstable reaction mixtures, making it difficult to manufacture polymer brush-coated surfaces efficiently and reliably.

Innovation Solution

The development of reaction compositions comprising dormant transition metal catalysts and oxygen scavengers, which can be stored stably and activated on demand, allowing for the formation of polymer brushes on solid parts with immobilized polymerization initiators.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If traditional polymerisation compositions are used, then polymer brushes can be formed on solid surfaces, but the reaction mixture is unstable and requires special reaction conditions such as strict inert atmosphere and temperature control

Engineering Contradiction:

Improvestability of polymerisation compositionVSAvoidspecialized equipment and reaction conditions

Core Design Contradiction:

ReliabilityVSDevice complexity

Solution Approach 1:

The patent introduces an intermediary substance (stabilizer or dormant species) that mediates between the polymerisation catalyst and the environment, allowing the reaction mixture to remain stable under normal conditions while still enabling polymer brush formation when activated. This eliminates the need for strict inert atmosphere and specialized equipment.

Inventive Principle:

Principle #24Intermediary (Mediator)

Solution Approach 2:

The patent changes the chemical parameters of the polymerisation composition by introducing compounds that alter the stability characteristics of the reaction mixture. These parameter changes allow the composition to be stored stably and only become reactive under specific triggering conditions, thereby eliminating the need for continuous specialized reaction conditions.

Inventive Principle:

Principle #35Parameter changes

2Manufacturing precision

If traditional polymerisation compositions are used, then polymer brushes can be formed, but the chemical reaction is time-consuming and complicated

Engineering Contradiction:

Improvecontrol of polymer brush formationVSAvoidreaction time

Core Design Contradiction:

Manufacturing precisionVSLoss of time

Solution Approach 1:

The patent performs preliminary action by pre-stabilizing the polymerisation composition and pre-activating the solid surface with immobilized initiators. This preliminary preparation allows the actual polymerisation reaction to proceed rapidly and controllably when the composition is applied, significantly reducing the overall reaction time while maintaining manufacturing precision.

Inventive Principle:

Principle #10Preliminary action

Solution Approach 2:

The patent extracts the complexity from the polymerisation process by separating the stabilization function from the polymerisation function. The composition is designed so that stabilization and polymerisation are distinct, sequential steps, allowing the reaction to be simple and fast when activated, while still achieving precise control over polymer brush formation.

Inventive Principle:

Principle #2Taking out (Extraction)

3Duration of action of stationary object

If polymerisation compositions are made stable for storage, then they can be stored over time, but they require activation on demand which adds process steps

Engineering Contradiction:

Improvestorage stabilityVSAvoidsimplicity of activation process

Core Design Contradiction:

Duration of action of stationary objectVSEase of manufacture

Solution Approach 1:

The patent implements self-service by designing the polymerisation composition to automatically activate upon contact with the pre-prepared solid surface. The immobilized initiators on the surface serve as the activation trigger, eliminating the need for external activation steps or specialized equipment. The system self-activates through the inherent interaction between the stable composition and the prepared surface.

Inventive Principle:

Principle #25Self-service

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

This approach enables the stable storage and on-demand activation of polymerization compositions, simplifying the process of forming polymer brushes on solid surfaces, improving manufacturing efficiency and reducing the need for specialized conditions.

Implementation Method 1

the activation agent comprises one or more oxygen scavengers

Methodology Applied

Scientific EffectOxygen scavenging: Absorption (physical)

Implementation Method 2

the polymerisation composition comprises one or more dormant transition metal catalysts

Methodology Applied

Scientific EffectCatalysis: Catalysis

Implementation Method 3

bringing the reaction composition and the solid part into contact, thereby initiating surface polymerisation on the solid part

Methodology Applied

Scientific EffectPolymerisation: Chemical Bonding

Data Source

PatentUS11834541B2Compositions for forming polymer brushes

Publication Date: 2023.12.05 YIELD ENGINEERING SYSTEMS INC

AI summary

The present invention relates to novel chemical solutions suitable for forming polymer brushes on a surface of a solid part. The present invention further relates to methods of forming polymer brushes on the surface of a solid part using the novel chemical solutions as well as solid parts having polymer brushes coated onto the surface and uses of such solid parts.