The Shanghai Municipal Economic and Information Technology Commission’s New Materials Office’s research seminar on the development of the polyurethane industry was successfully held at Qiguang Group!

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…

New Year’s greetings from Qiguang Group | There is light in my heart and you in my eyes.

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 …

Qiguang strongly recommends | Catalyst BDMA

Shanghai Qiguang Industry and Trade Co., Ltd. Shanghai Qiguang Industry & Trade Co., Ltd. Technical indicators Catalyst BDMA Completely packaged, …

A brief talk

[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…

Polyurethane rigid foam formula and calculation method

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…

Calculation of catalysts in polyurethane soft foam formulations

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…

Inventory of polyurethane raw materials: amine catalysts and tin catalysts

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…

Complete list of polyurethane catalyst products

Comprehensive list of polyurethane catalyst products American Gas Product Number Company Product Number Product Introduction Amine catalyst DABCO 33LV…

Polyurethane | A brief analysis of the classification of polyurethane catalysts and the selection of catalysts for different polyurethane products

1. Introduction Catalyst is a chemical substance that can change the rate of chemical reaction. Catalysts used in the polyurethane synthesis process c…

The 2020 Polyurethane Additives Application Technology Conference and the First Annual Meeting of the Polyurethane Association Additives Committee were successfully held

On November 26-27, the Additives Branch of the China Polyurethane Industry Association held the Polyurethane Additives Application Technology Conferen…

2019 Polyurethane Additives Research Report

Major events in the entire MDI industry chain in 2019 1 In 2019, the global economy is operating weakly. In September, the Organization for Economic C…

Complete list of polyurethane catalyst products

Complete list of polyurethane catalyst products US Gas Product Number Company Product Number Product Introduction Amine catalyst DABCO 33LVR A-33 33% …

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