Phosphoric Acid Ester Mold Release Agent for Stable, Clean Release
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Solution Overview
Problem
Existing mold release agents do not exhibit sufficient stability and releasability, leading to potential fouling and poor appearance of molded articles.
Innovation Solution
A mold release agent comprising a phosphoric acid ester compound with specific organic groups and optional surfactant components to enhance adhesiveness and stability, improving releasability and storage stability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional mold release agents are used, then basic releasability is achieved, but stability is insufficient leading to fouling and poor appearance
Solution Approach 1:
The patent uses a composite surfactant system combining anionic surfactant (sodium dodecyl sulfate) and nonionic surfactant (polyethylene glycol monolaurate) in specific ratios. This composite approach creates synergistic effects that improve both stability and prevent fouling better than single surfactants, directly resolving the technical contradiction between reliability and harmful factors.
Solution Approach 2:
The patent optimizes specific parameters including surfactant concentration ratios (anionic to nonionic), molecular weights, and HLB values. By precisely controlling these parameters, the formulation achieves enhanced stability while minimizing fouling and appearance defects, transforming the problematic conventional formulation into a reliable solution.
2Ease of operation
If mold release agent is applied to ensure releasability, then good releasability is achieved, but storage stability deteriorates
Solution Approach 1:
The patent carefully adjusts physical and chemical parameters including surfactant HLB values, molecular weights, and concentration ratios to achieve a balance where the formulation maintains excellent releasability during use while remaining stable during storage. The specific parameter optimization prevents degradation and phase separation during storage.
Solution Approach 2:
The nonionic surfactant acts as an intermediary that mediates between the anionic surfactant and the mold surface, providing both the necessary releasability during molding and stability during storage. This intermediary component prevents direct interactions that could cause instability while maintaining operational effectiveness.
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 mold release agent achieves good releasability and stability, reducing fouling and ensuring better appearance of molded articles.
Implementation Method 1
which results in good adhesiveness with the metal mold (metal)
Implementation Method 2
a mold release agent comprising phosphoric acid ester compounds
Data Source
AI summary
The present invention provide a mold release agent comprising a component (A), at least one compound selected from a phosphoric acid ester compound represented by formula (I) and a salt thereof. The symbols are as defined in the description.