[Case Study] Solved hydrolysis by changing materials! Measures against mold on water-soaked rollers using additives.
This is a case of changing the material of urethane rollers used in a food factory. In an environment where water is constantly applied, hydrolysis occurred with the conventional ester-based urethane. Additionally, mold developed on the surface of the rollers, posing hygiene issues. Therefore, the material of the urethane was changed from ester-based to ether-based, which has excellent hydrolysis resistance. By adding an antibacterial agent, we were able to suppress deterioration due to hydrolysis and the growth of mold, achieving stable use in harsh wet conditions.
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basic information
Purpose: Urethane rollers for food factories Conventional material: Ester-based urethane Changed material: Ether-based urethane Additional specifications: Antibacterial agent added Usage environment: Constant spraying/water exposure environment Main improvements: Enhanced hydrolysis resistance, suppression of mold growth
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Applications/Examples of results
Rollers for Conveying and Manufacturing Equipment in Food Factories In food factories, there are equipment where water constantly splashes onto the rollers during cleaning and manufacturing processes, making the selection of urethane material crucial. In this case, by changing from ester-based urethane to ether-based urethane, we were able to suppress degradation due to hydrolysis. Additionally, by adding antibacterial agents, we also addressed the issue of mold growth. We will propose specifications for urethane rollers, including material and formulation, tailored to the unique usage environment of food factories, such as degradation of urethane due to water exposure and mold growth.
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Since our establishment in 1973, we have specialized in industrial urethane rubber, consistently producing everything from manufacturing to processing. Thanks to the tremendous support and guidance from all of you, we have developed into a company that now produces over 300 tons of urethane rubber products annually. We are committed to continuously working on the development of urethane rubber products and aim to be a leading company that can respond to the needs of the times.
