base color paste to you about water-based color paste those things with the development of the coatings industry, the paint color class of raw materia…
2021year 12month16on the afternoon of the day, the “shanghai polyurethane industry association” was solemnly held in shanghaiqiguang build…
the exchange activities between qiguang group and shanghai jiahua chemical co., ltd. went smoothly, and the future is promising! on the afternoon of n…
at the beginning of the new year, after director lu yin of the new materials division of the shanghai municipal economic and information technology co…
the golden ox goes away with its head held high and sings loudly, while the jade tiger welcomes the spring and brings blessings. we have entered 2022 …
shanghai qiguang industry and trade co., ltd. shanghai qiguang industry & trade co., ltd. technical indicators catalyst bdma completely packaged, …
[hard foam polyether polyol] functionality f. i originally thought that f ≥ 3 would be the authentic hard foam, but this is not the case. it is comple…
1. what needs to be calculated in the hard foam composite material is whether the ratio of black and white materials (weight ratio) is reasonable. ano…
kinetics of the reaction between hydroxyl compounds and isocyanates -d(-nco)/dt=k0×(-nco)×(-oh) k1 is the forward reaction rate of isocyanate and hydr…
in the preparation process of polyurethane foam, the main role of the catalyst is to adjust the speed of the foaming reaction and gelation reaction to…
comprehensive list of polyurethane catalyst products american gas product number company product number product introduction amine catalyst dabco 33lv…
1. introduction catalyst is a chemical substance that can change the rate of chemical reaction. catalysts used in the polyurethane synthesis process c…