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…
Understanding Cosmetic Ingredients 1000’s Without further ado, directly on the material! 111, resveratrol Resveratrol is a colorless needle crys…
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…
Iron-catalyzed zincation of terminal alkynyl vinyls Organozinc reagents are among the most commonly used metal reagents in modern synthetic chemistry….
Summary of Metal-Catalyzed Reactions Metal-catalyzed coupling reactions are common in organic synthesis to form carbon-carbon bonds and have a vital r…