Biomass Fatty Acid Extraction for Multifunctional Polymer Production
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Solution Overview
Problem
Existing methods for producing polymers from renewable raw materials are laborious, require toxic substances, and result in increased costs and environmental impact, while monofunctional fatty acids used as additives lead to chain termination and limited concentration usage.
Innovation Solution
A method involving the extraction and purification of fatty acids from biomass materials like bark using organic solvents and alkaline conditions, followed by reaction with compounds having multiple hydroxy and/or amino groups, bypassing traditional cleaning steps to produce polymers with enhanced mechanical properties.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If traditional extraction and purification methods are used to produce polymers from renewable raw materials, then the polymers can be produced, but the process becomes laborious and requires toxic substances increasing costs and environmental impact
Solution Approach 1:
The patent extracts fatty acids from biomass materials (such as bark) using organic solvents under alkaline conditions, isolating the valuable functional components while leaving behind the bulk of the biomass waste. This extraction process enables the use of renewable resources without requiring complex purification steps or toxic substances, thereby simplifying the manufacturing process and reducing environmental harm.
Solution Approach 2:
The patent employs alkaline conditions (pH adjustment) to facilitate the extraction of fatty acids from biomass materials. By changing the chemical parameters (using bases like NaOH or KOH to create alkaline environments), the solubility and extractability of fatty acids are enhanced, allowing for simpler and more efficient extraction without requiring complex purification procedures or harmful chemicals.
2Adaptability or versatility
If monofunctional fatty acids are used as additives to lower viscosity and introduce hydrophobic groups, then these properties are achieved, but chain termination occurs during polymer production limiting concentration usage
Solution Approach 1:
The patent focuses on extracting and utilizing multifunctional fatty acids (containing multiple hydroxy and/or amino groups) from specific biomass sources like bark, rather than using monofunctional fatty acids. This local quality approach ensures that the extracted substances have the necessary functionality to maintain polymer chain continuity while providing the desired properties of lowered viscosity and hydrophobicity.
Solution Approach 2:
The patent produces composite polymer structures by incorporating multifunctional fatty acids derived from biomass into polymerization reactions. These composite materials combine the benefits of multifunctionality (preventing chain termination) with the desirable properties of monofunctional additives (viscosity reduction and hydrophobicity), achieving both goals simultaneously.
3Productivity
If multifunctional fatty acids are extracted from biomass materials, then renewable resources are utilized, but the extraction process requires organic solvents and alkaline conditions
Solution Approach 1:
The patent uses organic solvents (such as acetone, dichloromethane, or benzene) as intermediaries to facilitate the extraction of multifunctional fatty acids from biomass materials. These solvents act as mediators that dissolve the fatty acids from the solid biomass matrix, enabling efficient extraction. The alkaline conditions serve as another intermediary mechanism that enhances the solubility and extractability of the fatty acids, simplifying the overall process.
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 method simplifies the production process, reduces costs, and results in polymers with improved mechanical properties, such as compressive and flexural strength, while promoting the use of renewable resources and minimizing environmental impact.
Implementation Method 1
treating the at least one biomass material from step a) with at least one first organic solvent at an elevated temperature
Implementation Method 2
treating the solid obtained after step c) with at least one second solvent under alkaline conditions at an elevated temperature
Data Source
AI summary
The present invention relates to a method for producing a mixture comprising at least one compound having at least two hydroxy and/or amino groups made of a biomass material. The invention also relates to such a mixture and to the use thereof for producing a polymer such as for example a polyurethane foam.