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Project Introduction Catalysis is the study of the effects of energy barriers and rates of chemical reactions on other substances. Usually in the hete…
1. Hydroxyl value: The amount of hydroxyl (-OH) contained in 1 gram of polymer polyol is equivalent to the number of milligrams of KOH in mgKOH/g. 2. …
1． What is spray rigid foam polyurethane? Spray rigid foam polyurethane is made of isocyanate (MDI, commonly known as black material) and polyol (comm…
Background Polyurethane rigid foam used in the construction industry is an important branch of the polyurethane industry. It is characterized by its m…
Polyurethane is a polymer containing a urethane group (-NHCOO) in the polymer backbone. The full name is polyurethane, or polyurethane (PU) for short….
1. Definition 1. Hydroxyl value: The amount of hydroxyl (-OH) contained in 1 gram of polymer polyol is equivalent to the number of milligrams of KOH i…
It is an indisputable fact that various synthetic polymer materials such as plastics and rubber are ubiquitous in our lives. However, among the many p…
When everyone is confident that China’s polyurethane industry has entered a stage of rapid development, we should pay more attention to the futu…
Polyurethane elastomer, also known as polyurethane elastomer, is a polymer synthetic material containing a large number of urethane groups in the main…
MDI and TDI are brothers. do you know? Both of them are also the main raw materials for the important chemical polyurethane (TPU). As one of the most …
Due to a supply failure of raw material nitric acid, Covestro’s European MDI and TDI plants were forced to reduce their load: On October 6, Covestro a…
Nowadays, the coating industry is developing in full swing, and various new coatings are widely used. Although acrylic polyurethane topcoats have enco…
