pu foam machinery News

End-to-end solutions from raw materials to production equipments for PU foam and mattress.

Blog

Optical Chemical Technology - Kettle Batch Production Process

This article introduces the kettle batch production process for isocyanates, highlighting its simplicity and suitability for small-batch production, but also noting drawbacks like low equipment utilization, long cycles, and safety concerns.

2024 06 27

Introduction to the Phosgenation Process for Amine--Basic Principles

The article introduces the phosgenation process for synthesizing isocyanates from amines and phosgene, detailing the basic principles, reaction steps, and various production methods used in large-scale industrial settings to achieve high yields and efficiency.

2024 06 26

Impact of Cross-Linking Degree on the Main Properties of Polyurethane

This article explores how cross-linking degree influences polyurethane properties, examining the effects of raw materials, molecular weight, and functionality on foam performance, and providing insights into optimizing polyurethane formulations for varied applications from soft to rigid foams.

2024 06 25

The Relationship Between the Pore Structure and Properties of Polyurethane Foam

This article explores the relationship between the pore structure and properties of polyurethane foam, highlighting how different levels of open-cell content affect the material's strength, resilience, and performance in both rigid and PU Flexible Foams.

2024 06 24

Basic Factors Affecting the Performance of Polyurethane Structure

This article explores the key factors influencing the performance of polyurethane structures, including molecular weight, intermolecular forces, chain unit rigidity, crystallinity, and cross-linking degree, providing insights into how these elements affect the material's properties.

2024 06 22

Influence of Various Groups in Polyurethane on Foam Properties

This article explores the influence of various functional groups in polyurethane on the properties of foam materials, emphasizing the relationship between group-specific cohesive energies and resulting thermal and mechanical characteristics, supported by comparative data and trends in polymer behavior.

2024 06 19

Explaining the Stability of Polyurethane Foam

This article explores the stability of polyurethane foam, examining the similarities and differences with soap solution bubbles, the effects of surface tension, viscosity, and other factors on bubble formation, and strategies to prevent cell rupture and ensure foam durability.

2024 06 18

Formation of Polyurethane Foam

This article discusses the stages of polyurethane foam formation, focusing on how gas concentration changes affect nucleation and foam pore growth. It highlights the role of nucleating agents and additives in achieving uniform foam structure.

2024 06 16

Changes in Viscoelasticity and Elasticity During the Polyurethane Foam Foaming Process

This article explores the viscoelastic changes of polyurethane foam during the foaming process, crucial for understanding foam formation mechanisms and optimizing foam structure and stability.

2024 06 15

Common Test Terms and Definitions for Flexible PU Foam

2024 06 14

How many cubic meters of polyurethane foam can be produced per ton?

This article explores the variability in polyurethane foam volume per ton based on different production methods and densities, highlighting the impact of these factors on material usage for insulation applications.

2024 06 13

Some Polyurethane Calculation Formulas

This article introduces essential calculation formulas and basic concepts in polyurethane technology, covering hydroxyl groups, isocyanate indices, reaction rates, and tensile strength, to aid in understanding and mastering these critical aspects.

2024 06 11

recommended for you

What is a PU Injection Molding Production Line?

Introduction to PU Injection Molding Machine Production Systems – Other Systems

Introduction to Polyurethane Foam Spray Machine--Mixing Systems

Introduction to Polyurethane Injection Molding Machine - Metering System

Introduction to PU Foam Injection Machines – Material Storage, Formulation, and Temperature Control Systems

Soft Polyurethane Foam Lamination Machines - Bonding Machines

Over 20 years of first-hand production and usage experience, our technology development team aims to make every machine exhibit the characteristics of simplicity, labor efficiency, ease of operation, and minimal maintenance.