Alkylalkoxysilane Ether Amine Structure for Polymer Compatibility
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Solution Overview
Problem
Existing alkylalkoxysilane compounds used as polymer end modifiers exhibit unsatisfactory mechanical properties and dynamic viscoelastic properties due to insufficient hydrophobicity conferred by nitrogen atoms, limiting their effectiveness in applications such as coupling agents and polymer modifiers.
Innovation Solution
Development of an alkylalkoxysilane compound with an ether group and a dialkylamino group, which enhances compatibility with organic and inorganic materials through hydrogen bonding and van der Waals interactions, improving mechanical strength and processability by incorporating a tertiary amine group and an ether group, allowing for better access to materials.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If existing alkylalkoxysilane compounds with amine groups are used as polymer end modifiers, then the compounds can be applied in polymer modification, but the mechanical properties and dynamic viscoelastic properties are unsatisfactory due to insufficient hydrophobicity
Solution Approach 1:
The invention creates a composite molecular structure combining silane, ether, and amine functional groups within a single alkylalkoxysilane compound. This multi-functional composite structure enables simultaneous achievement of mechanical reinforcement, dynamic viscoelastic improvement, and enhanced hydrophobicity that cannot be obtained with single-functional compounds
Solution Approach 2:
The patent introduces specific local structural features including the ether oxygen atom positioned adjacent to the nitrogen heteroatom of the dialkylamine group. This localized arrangement creates specific interaction zones that enhance hydrophobicity through electron-withdrawing effects while maintaining overall molecular functionality for polymer modification
2Adaptability or versatility
If alkylalkoxysilane compounds are used as coupling agents or polymer end modifiers, then they provide functional benefits, but the hydrophobicity conferred by nitrogen atoms is insufficient for optimal performance
Solution Approach 1:
The invention modifies molecular parameters by introducing the ether group with oxygen heteroatom having high electronegativity adjacent to the nitrogen atom. This parameter change in molecular structure alters the electronic distribution and hydrophobicity characteristics, enabling improved mechanical properties while maintaining coupling agent functionality
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 alkylalkoxysilane compound with an ether group and a dialkylamino group demonstrates improved mechanical strength, processability, and hydrophilicity, leading to enhanced compatibility with polymers and inorganic materials, and exhibits superior storage stability and hydrophilicity compared to existing compounds.
Implementation Method 1
enhances compatibility with organic and inorganic materials through hydrogen bonding and van der Waals interactions
Implementation Method 2
enhances compatibility with organic and inorganic materials through hydrogen bonding and van der Waals interactions
Data Source
AI summary
The present invention relates to an alkylalkoxysilane compound of a novel structure which has an ether group and an dialkylamino group in an alkyl chain of the alkylalkoxysilane and thus has remarkably improved storage stability and hydrophilicity and a method for preparing same.