Polyesteramines and polyester quats
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
There is a need for new cationic oligomeric or polymeric compounds with improved stability, reduced toxicity, better biodegradability, and enhanced technical performance, which are easier to prepare and less expensive to synthesize, for applications such as surfactants, corrosion inhibitors, and other industrial uses.
Innovation Solution
The development of compounds obtained through the condensation of alkoxylated fatty amines with dicarboxylic acids and (alkyl)alkanolamines, followed by potential quaternization, to create polyesteramine or polyesterquat structures with specific molecular formulas and reaction conditions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If conventional fatty alkylamines and quaternary ammonium compounds are used, then good adsorption properties and surface activity are achieved, but toxicity and poor biodegradability occur
Solution Approach 1:
The invention changes the molecular structure parameters by introducing polyether chains (PEG or PPG) with specific lengths (u and u' from 1 to 20) and compositions into the amine structure. This structural modification transforms conventional toxic and non-biodegradable fatty alkylamines into less toxic, more biodegradable compounds while preserving their surfactant properties through the hydrophilic polyether segments.
Solution Approach 2:
The invention creates composite molecular structures combining hydrophobic fatty alkyl chains with hydrophilic polyether chains and amino groups. This composite structure integrates the surface-active properties of conventional amines with the environmental benefits of polyether polymers, achieving both effectiveness and biodegradability simultaneously.
2Object-affected harmful factors
If new oligomeric compounds with improved environmental properties are developed, then reduced toxicity and better biodegradability are achieved, but synthesis complexity and cost increase
Solution Approach 1:
The synthesis is segmented into distinct sequential steps: first alkoxylating the fatty amine with ethylene oxide and/or propylene oxide to form the polyether chain, then esterifying with dicarboxylic acid, and finally quaternizing with alkyl halide. This segmentation allows each reaction to be optimized independently and facilitates industrial-scale production through modular process design.
Solution Approach 2:
The polyether chain is formed preliminarily through alkoxylation before the esterification and quaternization steps. This preliminary action creates a stable intermediate that simplifies subsequent reactions and allows for better control of the final product properties by adjusting the alkoxylation parameters (u and u' values).
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
These compounds exhibit improved properties and performance as surfactants, corrosion inhibitors, and in various industrial applications, offering ease of preparation, cost-effectiveness, and enhanced environmental sustainability.
Implementation Method 1
The present invention relates to a compound that can be obtained by the esterification condensation of: A/ an alkoxylated fatty amine... B/ a dicarboxylic acid... C/ a derivative of (alkyl)alkanolamine
Implementation Method 2
the partial or total quaternary product of said alkoxylated fatty amine... followed by a quaternary reaction
Data Source
AI summary
The present invention relates to compounds which can be obtained by the esterification-condensation of: A/ an alkoxylated fatty amine of formula (I), or of the product of partial or total quaternization of said alkoxylated fatty amine of formula (I): in which R1, AO, B, m, n, s and y are as defined in the description, B/ with a dicarboxylic acid, or a derivative thereof, of formula (II): in which D and R2 are as defined in the description, and C/ with an (alkyl)alkanolamine derivative of formula (III) or of the product of partial or total quaternization of said (alkyl)alkanolamine derivative of formula (III): in which R7, Α"O, u et u' are as defined in the description. The invention also relates to the use of said compound as a surfactant, a biocide, an anticorrosion agent, a wetting agent, and the like.