Monoethylenically Unsaturated Monomers for Low-Temperature Coatings
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Solution Overview
Problem
Current polymers based on glycerol carbonate have low reactivity at room temperature and require high temperatures for reactivity, limiting their application in crosslinkable compositions for coating materials.
Innovation Solution
Development of monoethylenically unsaturated monomers with specific functional groups that enable improved reactivity at lower temperatures, allowing for the preparation of polymers with enhanced adhesion and mechanical performance through the use of novel monomers and polymerization processes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Temperature
If polymers based on glycerol carbonate are used, then crosslinkable compositions can be prepared, but reactivity is low at room temperature and high temperature is required
Solution Approach 1:
The patent modifies the chemical structure of the monomer by introducing specific functional groups (isocyanate, carboxylic acid, or hydroxyl groups) at positions alpha or beta to the ethylenic unsaturation. This structural parameter change enables the polymer to exhibit improved reactivity at lower temperatures (room temperature or below) compared to conventional glycerol carbonate-based polymers that require high temperatures for crosslinking reactions.
2Strength
If conventional glycerol carbonate polymers are used, then polymers can be prepared, but adhesion properties are insufficient
Solution Approach 1:
The patent creates a composite functional structure within the monomer molecule by combining ethylenic unsaturation (for polymerization) with highly reactive functional groups (isocyanate, carboxylic acid, or hydroxyl groups). This composite approach allows the resulting polymer to exhibit superior adhesion properties while maintaining ease of manufacture through standard polymerization processes.
3Strength
If conventional glycerol carbonate polymers are used, then polymers can be prepared, but mechanical performance is limited
Solution Approach 1:
The patent introduces specific functional groups at specific positions (alpha or beta to the ethylenic unsaturation) rather than throughout the entire molecule. This localized modification approach improves mechanical performance through enhanced intermolecular interactions while keeping the overall monomer structure relatively simple and maintaining ease of synthesis.
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 new monomers and polymers exhibit improved reactivity at room temperature, enabling the production of crosslinkable compositions with superior adhesion and mechanical properties, suitable for a wide range of applications including coatings and adhesives.
Implementation Method 1
The present invention relates to a monoethylenically unsaturated monomer M comprising at least one function of formula (A)... The present invention also relates to the use of said monomers for preparing polymers
Data Source
AI summary
The invention relates to a monoethylenically unsaturated monomer of formula (I), and to the use thereof for producing a polymer. The invention also relates to the polymer obtained by polymerising said monomer, and to the use thereof in a composition for producing coatings.