1. What is sprayed rigid polyurethane? Sprayed rigid polyurethane is a new type of waterproof and thermal insulation material made of polymer by mixin…
Calculation of catalysts in polyurethane flexible foam formulations Kinetics of the reaction of hydroxyl compound with isocyanate – d(-NCO)/dt =…
There are many types of catalysts for polyurethane, with different catalytic activities and effects. In the production of polyurethane products, it is…
At the beginning of the new year, following the visit of Lu Yin, Director of New Materials Division of Shanghai Municipal Commission of Economic and I…
Enhanced foam hardness series catalyst ROAOCAT -112 Catalysts
1, hydroxyl value: 1 gram of polymer polyol contains the amount of hydroxyl (-OH) equivalent to the number of milligrams of KOH, unit mgKOH/g. 2、Equiv…
There are many types of catalysts for polyurethane, with different catalytic activities and effects. In the production of polyurethane products, it is…
Kinetics of the reaction of hydroxyl compounds with isocyanates – d(-NCO)/dt = K0 × (-NCO) × (-OH) K1 is the forward reaction rate for the compl…
Rigid foam leveling agent (hereinafter referred to as “silicone oil”) model selection and dosage definition is of great importance, it is …
1、Polyether As the main raw material, polyether reacts with isocyanate to produce carbamate, which is the skeleton reaction of foam products. In the c…
