Continuous Organogelator Paste Activation for Reproducible Processing
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing batch processes for preparing pre-activated rheology additives, such as fatty acid diamides, are time-consuming, costly, and difficult to reproduce, and can only use solvents with low vapor pressure, limiting their industrial applicability and safety.
Innovation Solution
A continuous or semi-continuous process involving mixing amide compounds with a liquid carrier below the activation temperature, flowing the mixture through a heat exchanger to reach activation temperature, and filling the paste into containers maintained at or above this temperature for activation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If a batch process is used to prepare pre-activated rheology additives, then the activation can be performed in open containers, but the process is time-consuming, costly, and difficult to reproduce
Solution Approach 1:
The patent applies continuous flow processing where the mixture is continuously pumped through heated zones and extruded, eliminating the batch-wise heating and cooling cycles. This continuous operation increases productivity while maintaining product quality consistency, directly resolving the contradiction between ease of manufacture and productivity.
2Temperature
If a batch process is used with heating in an oven, then activation temperature can be reached, but the process is difficult to reproduce and time-consuming
Solution Approach 1:
The patent incorporates temperature sensors and control systems that continuously monitor and adjust heating parameters during the continuous process. This feedback mechanism ensures consistent activation temperature is achieved across all batches, improving reproducibility while reducing processing time compared to conventional oven heating.
3Object-affected harmful factors
If solvents with low vapor pressure are used in batch processing, then safety issues are avoided during heating, but the range of usable solvents is limited
Solution Approach 1:
The continuous flow process allows for controlled residence time at elevated temperatures, preventing pressure buildup that would occur in batch heating of volatile solvents. This enables the use of solvents with higher vapor pressures (including reactive solvents like methyl methacrylate) that were previously unsafe for batch processing, thus expanding solvent selection while maintaining safety.
4Quantity of substance
If batch processing is used, then small amounts of paste can be prepared, but the start and stop of production are lengthy, affecting economics
Solution Approach 1:
The continuous flow system operates without interruption, continuously mixing, heating, and extruding the paste. This eliminates the start-up and shutdown times inherent in batch processing, significantly reducing production cycle time and improving economic efficiency while maintaining flexibility in production volume through adjustable flow rates.
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
Produces pre-activated organogelator pastes that are reproducible, scalable, and safe to use with various solvents, including reactive ones, without the need for additional activation steps.
Implementation Method 1
flowing the mixture through a heat exchanger to increase its temperature to a temperature T2 that is at least equal to the activation temperature
Implementation Method 2
retrieving and cooling said containers
Data Source
AI summary
The present invention pertains to a continuous or semi-continuous process for producing a pre-activated organogelator paste, wherein the process comprises : (1) mixing at least one amide compound with at least one liquid carrier so as to provide a mixture, wherein the mixing is carried out at a temperature T1 which is below the activation temperature of the amide compound, (2) continuously flowing said mixture through a heat exchanger to increase its temperature to a temperature T2 that is at least equal to the activation temperature of said amide compound, so as to obtain a paste, (3) filling said paste into containers maintained at or above said activation temperature, and (4) retrieving and cooling said containers.