In many of the following reactions, organozinc compounds participate in the reaction as intermediates: 1. Simons – In the Smith reaction, carbene (iod…

1. Organozinc Catalyst Introduction Zinc, located in the 4th period and Group IIB of the periodic table of chemical elements, is a light Gray transiti…

Polyurethane catalysts are actually addition polymers of various types of isocyanates and active hydrogen-containing compounds. Therefore, during the …

In the polyurethane rigid foam catalyst system, the required CO2 is obtained through the water-isocyanate reaction, so it is necessary to control the …

Recently, incidents of “poisonous plastic runways” have occurred frequently in Jiangsu and other places. Relevant departments have detecte…

1. Application fields: Commonly used in various fields of polyurethane catalyst industry, such as elastomers, coatings, foams, sealants, PU synthetic …

As the catalyst concentration of polyurethane rigid foam increases, the tensile strength, shear strength and compressive strength of the foam increase…

Polyurethane catalystFoaming application range: 1.Soft Block foam Soft block polyether polyol-based foam is a typical tertiary amine catalyzed reactio…

Technology to protect against deposited contamination from leave-on cosmetics has been released and launched on the market. However, depositing enough…

A silicone-free shampoo containing 0.2% active dose of cationic polymer PQ-10, cationic guar gum and APTAC/ACM was prepared. Shampoos were used to com…

Perfume gives a product a greater dimension and is the calling card of many brands. High-quality scents are hard to imitate and last a long time. Frag…