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On November 26-27, China Polyurethanes Industry Association (PUIA) Auxiliaries Branch held the Polyurethane Auxiliaries Application Technology Confere…
1. Introduction Catalysts are chemicals that can change the rate of chemical reactions. Catalysts used in polyurethane synthesis can be broadly classi…
Polyurethane catalysts product list U.S. Gas Product Number Company Product Number Product Introduction Amine Catalysts DABCO 33LVR A-33 33% Dipropyle…
In the process of polyurethane foam preparation, the role of catalysts is mainly to regulate the speed of foaming and gelation reactions to make them …
One, the hard foam combination material need to calculate things is the ratio of black and white materials (weight ratio) is not reasonable, another f…
Recently, China Petroleum (5.320, 0.00, 0.00%) and Chemical Industry Federation organized experts in Beijing to appraise the scientific and technologi…
It is because of the overwhelming advertising that many people have already decided that silicone oil in shampoo is the “big villain” R…
In the process of polyurethane foam preparation, the role of catalysts is mainly to regulate the speed of foaming and gelation reactions to make them …
The amount of accidents and problems encountered in actual foaming production is diverse, and each accident production is caused by a variety of facto…
In the future, we will try to explore less isocyanates, after all, not in our grassroots class can control the scope. More about polyether (ester) pol…
In a year when manufacturing supply chains have been hit hard, another shortage is making productive life harder for manufacturers and consumers: plas…
Kinetics of the reaction of hydroxyl compounds with isocyanates -d(-NCO)/dt=K0×(-NCO)×(-OH) K1 is the forward reaction rate for the complex formation …
