Lubricating Composition Inhibiting Plugging in Copolymer Processes
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Solution Overview
Problem
The self-polymerization of carboxylic acid-based monomers in high-temperature and high-pressure processes leads to equipment defects such as clogging and fouling, reducing production yield and increasing safety risks.
Innovation Solution
A lubricating composition comprising a base oil and either a fatty acid or an emulsifier, which forms a single phase when a carboxylic acid-based monomer is introduced, thereby reducing friction coefficients and inhibiting self-polymerization.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If carboxylic acid-based monomer is supplied through equipment at high temperature, then polymerization reaction proceeds, but self-polymerization causes clogging and fouling of equipment
Solution Approach 1:
A lubricating composition is introduced as an intermediary substance between the carboxylic acid-based monomer and the equipment surfaces. This lubricating composition prevents direct contact between the monomer and equipment, thereby inhibiting self-polymerization on equipment surfaces while allowing the polymerization reaction to proceed in the bulk phase, resolving the contradiction between maintaining productivity and preventing equipment fouling
Solution Approach 2:
The invention changes the physical and chemical parameters of the system by introducing a lubricating composition that modifies the local environment around equipment surfaces. This alters the temperature distribution, viscosity, and chemical reactivity parameters at the equipment-monmer interface, preventing self-polymerization while maintaining the overall polymerization process efficiency
2Stability of the object's composition
If additives are used to inhibit self-polymerization, then polymerization control improves, but equipment clogging and fouling still occur due to monomer leakage
Solution Approach 1:
The lubricating composition serves as a protective intermediary layer that prevents monomer leakage from reaching equipment surfaces where it could cause fouling. This mediator approach allows polymerization control additives to function effectively in the bulk while simultaneously providing a physical barrier against equipment contamination
Solution Approach 2:
The lubricating composition provides beforehand cushioning by pre-establishing a protective film on equipment surfaces before monomer leakage occurs. This preventive measure cushions against the harmful effects of monomer contact, allowing polymerization control to be optimized without compromising equipment cleanliness
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 lubricating composition effectively prevents plugging and fouling by maintaining a single phase and reducing friction coefficients, thereby improving process yield and stability while minimizing equipment defects.
Implementation Method 1
a lubricating composition for inhibiting plugging which may suppress equipment defects such as fouling and clogging by self-polymerization of monomers, by increasing a friction coefficient due to leakage of a carboxylic acid-based monomer in the lubricating composition
Data Source
Figure 1A~2
AI summary
Provided is a lubricating composition for inhibiting plugging including a base oil and any one selected from a fatty acid and an emulsifier, wherein the lubricating composition forms a single phase even when a carboxylic acid-based monomer is introduced with respect to the base oil. The lubricating composition suppresses plugging occurring in a process of preparing a copolymer derived from the carboxylic acid-based monomer. In addition, also provided is a method of inhibiting plugging using the lubricating composition for inhibiting plugging.