Biomass Polyol Stabilization via Solubilizer Micelles

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Solution Overview

Problem

Raw polyols from biomass, such as crude glycerol, used as grinding aids in cement production often cause contamination and disruptions due to phase separation and resinization effects, which negatively impact the grinding process.

Innovation Solution

Stabilizing raw polyols from biomass using solubilizers like alkaline substances, specifically alkanolamines, to prevent phase separation and maintain a stable, homogeneous phase, thereby reducing contamination and disruptions during the grinding of mineral binders.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Object-affected harmful factors

If crude polyols from biomass are used as grinding aids, then environmental advantage and grinding efficiency are improved, but contamination of pumps and lines, disruptions in grinding, and resinification effects occur

Engineering Contradiction:
Improveenvironmental impactVSAvoidgrinding process stability
Core Design Contradiction:
Object-affected harmful factorsVSReliability

Solution Approach 1:

The patent introduces an intermediary substance (solubilizer, surfactant, or stabilizer) to mediate between the crude polyol and the grinding system. This intermediary prevents direct harmful interactions by forming stable micellar structures that solubilize the oily components, thereby eliminating pump contamination and grinding disruptions while preserving the environmental benefits of biomass-based polyols

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The patent converts the harmful oily components and impurities in crude polyols into beneficial micellar structures through the addition of solubilizers. These micelles actively prevent resinification and contamination by trapping hydrophobic substances, transforming what was previously harmful into a protective mechanism that enhances grinding process stability

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

2Adaptability or versatility

If crude polyols with oily components are used, then biomass utilization is improved, but phase separation and resinification effects occur

Engineering Contradiction:
Improvebiomass utilizationVSAvoidphase stability
Core Design Contradiction:
Adaptability or versatilityVSStability of the object's composition

Solution Approach 1:

The patent changes the chemical parameters of the crude polyol system by adding solubilizers that alter the micellar structure and critical micelle concentration. This parameter change prevents phase separation by maintaining a stable micellar dispersion of oily components, allowing the system to retain full biomass utilization while achieving long-term compositional stability

Inventive Principle:
Principle #35Parameter changes

Solution Approach 2:

The patent creates a composite system combining crude polyol, solubilizer, and stabilized oily components into a unified stable formulation. This composite structure prevents phase separation by integrating all components into a homogeneous micellar system, maintaining both biomass versatility and phase stability

Inventive Principle:
Principle #40Composite materials

3Stability of the object's composition

If solubilizers are added to stabilize crude polyols, then phase separation is prevented, but composition complexity increases

Engineering Contradiction:
Improvephase stabilityVSAvoidcomposition complexity
Core Design Contradiction:
Stability of the object's compositionVSDevice complexity

Solution Approach 1:

The patent employs small quantities of inexpensive solubilizers (typically 0.1-5% by weight) that perform their stabilization function efficiently without requiring complex formulations. These simple additives provide long-term phase stability through micellar mechanisms, avoiding the need for complex multi-component systems while maintaining compositional simplicity

Inventive Principle:
Principle #27Cheap short-living objects (Disposable)

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 stabilization of raw polyols with solubilizers significantly reduces contamination, disruptions, and resinization effects, enhancing the efficiency and stability of the grinding process without negatively impacting the properties of the ground material.

Implementation Method 1

the use of a solubilizer to stabilize raw polyol produced from biomass

Methodology Applied
Scientific EffectSolubilization: Solvation

Implementation Method 2

undesirable separation phases form on the surface of the crude polyols or crude glycerin after a short period of time

Methodology Applied
Scientific EffectPhase stabilization: Emulsion

Data Source

PatentEP2788299B1Stabilization of crude polyols from biomass
Publication Date: 2024.06.12 SIKA TECH AG

AI summary

A solubilizer is used to stabilize crude polyol produced from biomass.