research on the application of mdi in slow resilient polyurethane block foam 1. preface as we all know, polyurethane slow rebound foam is also called …
dye basics: identification of dyes introduction it is difficult to identify the type of dyestuff on textiles with naked eyes, and it must be determine…
dye basics: sulfur dyes introduction sulfur dyes are a class of sulfur-containing dyes with a complex molecular structure. generally made by certain a…
what are the uses of flexible and rigid polyurethane foam? polyurethane rigid foam is a high polymer made of isocyanate and polyether as the main raw …
what is fermentation technology? according to the information and literature, fermentation technology mainly refers to: the use of microbial physiolog…
what are the uses of flexible and rigid polyurethane foam? polyurethane rigid foam is a high polymer made of isocyanate and polyether as the main raw …
properties and uses of commonly used nonionic surfactants (1) fatty alcohol polyoxyethylene ether (aeo) properties: aeo has different alkyl chain leng…
properties and functions of surfactants although surfactants have different structures, they have the same basic properties – adsorption and agg…
advances in electrocatalytic reduction of co2 over carbon-based metal-free catalysts converting co2 into valuable products is more difficult because c…
advances in electrocatalytic reduction of co2 over carbon-based metal-free catalysts converting co2 into valuable products is more difficult because c…
summary of metal-catalyzed reactions metal-catalyzed coupling reactions are common in organic synthesis to form carbon-carbon bonds and have a vital r…
in-depth analysis | silicone-free vs silicone, shampoo actually how to choose? in recent years, the concept of silicone-free shampoo has become more a…
