Amino-Containing Vinylsilane Polymer Modifier
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Solution Overview
Problem
There is a need for a polymer modifier that can effectively enhance polymer properties, as existing methods for introducing functional groups into polymers have limitations in achieving a balance of desired properties such as melt tension, fluidity, rigidity, impact resistance, and tensile properties.
Innovation Solution
Amino-containing vinylsilane compounds with specific structures are used as modifiers, prepared through reactions involving vinylsilane compounds, amine compounds, and platinum catalysts, which improve polymer properties by modifying their chemical structure and physical characteristics.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If polymers are modified using conventional functional group introduction methods (maleic anhydride, N-vinylalkylamide, acrylamide), then specific polymer properties are improved, but the ability to achieve a balanced improvement across multiple properties (melt tension, fluidity, rigidity, impact resistance) is limited
Solution Approach 1:
The amino-containing vinyl silane compound serves as a universal modifier that can simultaneously improve multiple polymer properties including melt tension, fluidity, rigidity, and impact resistance. This single compound replaces the need for multiple different modifiers that would otherwise be required to achieve similar balanced property improvements, making the modification approach both simpler and more versatile
Solution Approach 2:
The invention introduces a specific chemical structure parameter - the amino-containing vinyl silane compound with the formula (1) - that enables balanced property improvement. By changing the modifier type to this specific compound class with its unique structural parameters (amino group, silane group, vinyl group combination), the patent achieves simultaneous improvement across multiple polymer properties that conventional modifiers cannot achieve alone
2Adaptability or versatility
If amino-containing vinyl silane compounds are used as polymer modifiers, then multiple polymer properties are significantly improved, but the complexity of the modification method increases due to the specific synthesis requirements
Solution Approach 1:
The amino-containing vinyl silane compound is synthesized and prepared in advance through a dedicated synthesis process involving vinyl silane compound, amine compound, and platinum catalyst. This preliminary preparation of the specialized modifier allows it to be readily available for polymer modification applications, enabling the significant multi-property improvements without requiring complex modification procedures during actual polymer processing
Solution Approach 2:
The amino-containing vinyl silane compound acts as an intermediary substance that bridges the gap between conventional modifiers and the desired balanced property improvements. Its specific molecular structure - containing amino, silane, and vinyl groups - allows it to interact with polymer chains in unique ways that simultaneously achieve multiple property enhancements, serving as a mediating agent that translates chemical structure into balanced physical property improvements
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 amino-containing vinylsilane compounds significantly enhance polymer properties, allowing for improved melt tension, fluidity, rigidity, and impact resistance, making them suitable for various applications.
Implementation Method 1
reacting a vinylsilane compound of formula (4) with an amine compound of formula (5) in the presence of a platinum catalyst
Data Source
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AI summary
Vinylsilane compounds having a specific amino group, typically diethylaminopropyldimethylvinylsilane, N-methylpiperazinylpropyldimethylvinylsilane, and bistrimethylsilylaminopropyldimethylvinylsilane are novel and useful as a modifier for polymers.