use of polyurethane catalyst: it is an upgraded substitute for zinc naphthenate and zinc isooctanoate and is used as a varnish drier and wood preserva…
a recent report from transparency market research (tmr) states that the global market for thermoplasticpolyurethane catalyst (tpu) films is dominated …
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…
“silicon-free” does not mean removing the silicone oil component from the silicone-containing formula: 1. low-irritation surfactant for cl…