What are the roles and advantages of organic trace elements zinc, copper, manganese and selenium? Trace elements are essential nutrients for animal li…
Melamine compounds The structural units of lignin are guaiacylbenzene propane, lilacylbenzene propane, and p-hydroxyphenyl propane. Lignin is modified…
Adhesion enhancers Most of the rubber products need to be compounded with skeleton materials as the main force-bearing part, which also plays an impor…
How to make polyurethane foam crust thicker If we talk about the crusting phenomenon in the process of foaming, it can be divided into many kinds, and…
Degradation of polyurethane plastic waste with newly developed biocatalyst With the help of enzymes as biocatalysts, polyurethane and polyvinyl alcoho…
As the main raw material, polyether reacts with isocyanate to produce carbamate, which is the skeleton reaction of foam products. In the case of the s…
Water-based color paste knowledge big explanation In home life, we see a lot of colorful items are dressed up by color paste, and color paste is a kin…
Preface Two-component polyurethane adhesives are usually composed of an isocyanate component (curing agent) containing NCO and a hydroxyl component (m…
Do catalysts really not participate in chemical reactions? Then why can we change the reaction rate? Do catalysts really not participate in chemical r…
Preface Two-component polyurethane adhesives are usually composed of an isocyanate component (curing agent) containing NCO and a hydroxyl component (m…
Water-based color paste knowledge big explanation In home life, we see a lot of colorful items are dressed up by color paste, and color paste is a kin…