Category: Production tutorial

This article explores the fundamental concepts of polyurethane, focusing on its unique properties, classifications, and molecular structures, as well as performance differences between various types, providing a comprehensive understanding of its applications and advantages across industries.

This article introduces the phosgenation process for synthesizing isocyanates, detailing its principles, steps, and industrial applications. It highlights advancements from one-step to two-step methods, addressing challenges like side reactions to optimize yield and minimize waste.

This article explores key concepts of polyurethane, focusing on the distinctions between cold-molded and hot-molded foams, the characteristics and applications of soft and rigid foams, formulation essentials for rigid foam, and the production of integral skin foam.

This article explores key concepts of polyurethane foaming, detailing horizontal and vertical foaming characteristics, raw material selection for soft foam, environmental effects on foam properties, and differences between cold-cured and hot-cured foam systems.

This article explores key concepts in polyurethane chemistry, focusing on the impact of isocyanate structure, reactivity with active hydrogen compounds, and the importance of precise water control during polyurethane production for various industrial applications.

This article delves into the fundamental concepts of polyurethane, focusing on the structural classifications, properties, and applications of various isocyanates such as TDI, MDI, HDI, and IPDI, highlighting their reactivity and resistance to yellowing.

This article provides an overview of key polyurethane concepts, including definitions of critical parameters, reaction processes, and production methods. It aims to clarify the technical terms and processes essential for understanding polyurethane synthesis and applications.

This article explores how crosslinking density influences the properties of polyurethane foams, examining key factors like raw material functionality and molecular structure, and providing insights into optimizing foam performance for applications ranging from flexible to rigid materials.

This article provides an overview of common testing terms and methods for foam materials, covering key properties like hardness, resilience, tensile strength, elongation, and tear strength, ensuring accurate assessment across various foam applications and industries.