Imenpol blog

Common solvents in polyurethane industry

2024/09/22
Table of contents Polyurethanes are polar and so you need a polar solvent. The choice of solvent to dissolve a polymer is governed by various factors, such as solvency power, volatility (moderate boiling point), toxicity and cost of solvent, the...

Yellowing in polyurethane foam

2024/09/23
Table of contents Almost all polymers are prone to yellowing during processing and use, and the most fundamental reason for yellowing is the instability of polymer structure, which is easily affected by light, oxidation, high temperature and so on. Some...

Advantages of polyurethane outsoles

2024/09/23
Table of contents Shoe soles are made with different materials which range from rubber, thermoplastic rubber (TPR), Ethylene-vinyl Acetate (EVA), Polyvinyl Chloride (PVC), and polyurethane (PU). Each of these materials has peculiar qualities that make them suitable for different kinds...

Polyurethane pipe insulation

2024/09/22
Table of contents The outer surface of the pipe should be free from oil, corrosion, moisture and frost at the time of insulation. Nowadays, polymer coatings are the standard solutions for pipe insulation. The appropriate insulation of hot- and cold-water...

In-Mold Coating for polyurethane foams

2024/09/22
Table of contents In-Mold Coatings (IMCs) have been developed to coat and cover surface defects of compression molded articles to provide a smooth high-quality surface having an aesthetically appealing appearance. These IMC systems can also act as a UV weather...

Common additives for polyurethane industry

2024/11/29
Table of contents Polyurethanes are among the most widely used materials across various industries, including construction, automotive, furniture, and packaging. Depending on their formulation and the additives incorporated, they can exhibit diverse physical and chemical properties. Additives play a crucial...

Scorching phenomenon in polyurethane foams

2024/09/23
Table of contents During the continuous production process of slabstock foams, if some basic variables are not properly controlled, for instance, ambient temperature, ventilation and humidity on storage, quality of polyols and isocyanates, and so on a thermal oxidation reaction...

Hydroponic polyurethane foam as a cultivation media

2024/09/26
Table of contents The degradation of soils globally and uncertainty of weather patterns due to climate change are putting a major strain on conventional food production. Every year 24 billion tons of fertile soil are lost globally to erosion. The...

What is a form in place foam gasket or FIPFG technology?

2024/09/22
Table of contents Sealing systems can be based on different materials such as polyurethanes and silicones. Form in place foam gaskets (FIPFG) are liquids based on polyurethanes that once on the surface, they have to undergo air-curing. They are widely...

Innovation in electric vehicle with polyurethane battery covers

2024/11/27
Table of contents Polyurethane battery covers play a critical role in the electric vehicle (EV) industry, enhancing both the performance and safety of batteries. As EVs have gain a lot of attention in the automotive sector, the demand for high-quality,...