Cyclic Amide-Initiated Polyetheramine for Pigment Dispersion
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Solution Overview
Problem
There is a need for new, versatile polyetheramines that can replace state-of-the-art polyetheramines and provide similar or improved performance in various applications.
Innovation Solution
The development of a cyclic amide initialized polyetheramine, characterized by a specific formula, which includes a cyclic amide group and is produced through alkoxylation and reductive amination processes, offering enhanced hydrophilicity and dispersing capabilities.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If conventional alcohol or alkyl phenol initiators are used to produce polyetheramines, then the manufacturing process is well-established and reliable, but the performance and versatility are limited and cannot be improved further
Solution Approach 1:
The patent changes the chemical structure parameter of the initiator from conventional alcohol or alkyl phenol groups to cyclic amide groups (such as succinimide, glutarimide, or caprolactam). This parameter change in the initiator structure fundamentally alters the polyetheramine properties, providing enhanced versatility and performance while maintaining the established alkoxylation and reductive amination manufacturing process
Solution Approach 2:
The invention creates a composite molecular structure where cyclic amide groups are incorporated into the polyetheramine backbone through the alkoxylation of cyclic amide initiators followed by reductive amination. This composite structure combines the beneficial properties of cyclic amides (enhanced hydrophilicity, dispersing capability) with the polyetheramine framework, achieving superior performance
2Reliability
If new initiators are developed to improve polyetheramine performance, then versatility and dispersing capability are enhanced, but the manufacturing process becomes more complex
Solution Approach 1:
The patent modifies the initiator parameter from conventional alcohols to cyclic amides, which naturally provides enhanced hydrophilicity and dispersing capability through hydrogen bonding. This parameter change improves reliability of dispersing performance without requiring additional process steps, as the cyclic amide structure inherently provides the desired functional properties
Solution Approach 2:
The cyclic amide initialized polyetheramines exhibit multi-functionality, serving as effective dispersants for pigments, fuel additives, and potentially other applications. The cyclic amide group provides both structural integrity and functional versatility, allowing a single compound to perform multiple roles without increasing process complexity
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 cyclic amide initialized polyetheramine exhibits at least equal, if not improved, dispersing capabilities compared to state-of-the-art polyetheramines, making it suitable for applications such as a dispersant for pigments and a fuel additive.
Implementation Method 1
it is believed that the amide group in the initiator can allow the subsequently produced polyetheramine to exhibit more hydrophilicity (i.e. the amide group may form strong hydrogen bonds with protic solvents, such as water) than state of the art polyetheramines
Data Source
AI summary
The present disclosure provides a polyetheramine produced from a cyclic amide initiator which is first alkoxylated and then reductively aminated to form the polyetheramine. The polyetheramine of the present disclosure may be used in a variety of applications, such as a raw material in the synthesis of a dispersant for use in an aqueous pigment dispersion or as a fuel additive in a hydrocarbon fuel composition.