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What are the factors related to the properties of polyurethane flexible foam?

Polyurethane flexible foam, refers to the soft polyurethane foam, is a kind of flexible polyurethane foam with certain elasticity, it is the largest a…

2019 Polyurethane Additives Research Report

2019 MDI whole industry chain big events 1 In 2019, the global economy is running weak, and the Organization for Economic Cooperation and Development …

2020 Polyurethane Additives Application Technology Conference and the first annual meeting of the Polyurethane Association Additives Committee was successfully held

On November 26-27, China Polyurethanes Industry Association (PUIA) Auxiliaries Branch held the Polyurethane Auxiliaries Application Technology Confere…

Polyurethane | Classification of polyurethane catalysts and selection of catalysts for different polyurethane products

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

Polyurethane catalysts product list U.S. Gas Product Number Company Product Number Product Introduction Amine Catalysts DABCO 33LVR A-33 33% Dipropyle…

Inventory of polyurethane raw materials of amine catalysts, tin catalysts

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 …

Polyurethane rigid foam formulation and calculation method

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…

NEC’s high-efficiency methanol synthesis catalyst technology reaches international advanced level

Recently, China Petroleum (5.320, 0.00, 0.00%) and Chemical Industry Federation organized experts in Beijing to appraise the scientific and technologi…

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Silicon oil: I am not the devil | The end of the wrong money

It is because of the overwhelming advertising that many people have already decided that silicone oil in shampoo is the “big villain” &#82…

Brief analysis of the catalyst of polyurethane raw materials

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 …

Soft foam common problems and solutions

The amount of accidents and problems encountered in actual foaming production is diverse, and each accident production is caused by a variety of facto…

Hard foam shallow talk

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…

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