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This article discusses the characteristics, formation mechanism, and applications of slow rebound foams in response to evolving industry needs.
2024
06
07
This article discusses preventing sponge core scorching by adjusting formulations, focusing on factors like polyether activity, stone powder addition, flame retardants, and the TDI index.
2024
06
06
This article explores adjusting PU foam formulations to prevent burning inside, focusing on the key factors: gas volume, foam heat value, and reaction rate. It outlines practical measures for modifying the formula to achieve optimal temperature control within the foam.
2024
06
05
This article details the control methods for the slow rebound sponge foaming process, focusing on equipment, mixing speeds, material temperatures, additive preparation, chain speed, and gas injection
2024
06
04
This article discusses on-site assessment and control methods for producing slow-rebound foam, addressing common issues like closed cells, cracking, and collapsing, and providing solutions for maintaining product quality and achieving formulation goals in large-scale production.
2024
06
03
This article discusses the issues of collapsing, bursting, and closed-cell formation in polyurethane foam production, exploring the causes, impacts, and solutions, and emphasizing the importance of understanding and managing these problems for optimal foam quality and safety.
2024
06
01
This article outlines essential adjustments for flexible PU foam foaming in winter, addressing common issues such as streak marks, premature material surge, and slow surface drying. It provides practical solutions to optimize the foaming process and enhance product stability.
2024
05
31
This article explores how to adjust the tear strength of sponge by modifying its formula, focusing on material structure, reaction principles, and specific adjustments, including the effects of adding flame retardants, polyols, and various fillers.
2024
05
28
This article explores how adjusting formulations can enhance the tear strength of sponges, focusing on the impact of crosslinking reactions, hard segments, and internal heat, with practical examples using different formulations to demonstrate these principles.
2024
05
27
This article explores the functions of high resilience polyether, detailing its applications, differences from ordinary foam formulations, and how to adjust the formula based on physical properties to optimize foam elasticity and performance.
2024
05
25
This article explains how to adjust soft PU foam properties using the characteristics of common foam polyethers, PPG and POP. It details their differences, reactivity, and provides formulas to optimize soft PU foam elasticity and hardness for various applications.
2024
05
24
This article presents a detailed method for calculating the required amount of TDI in polyol polymer formulations, providing specific formulas and a step-by-step example to ensure accurate and efficient TDI consumption.
2024
05
23
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