Polymethyl methacrylate is a popular name, abbreviated as PMMA. The chemical name of this polymer transparent material is polymethyl methacrylate, which is a polymer compound forme
Oct 11, 2022
Support is one of the components of the supported catalyst, which is the skeleton of the active component of the catalyst, supports the active component, makes the active component
Oct 10, 2022
Ethenyl ethanoate is an organic compound with a molecular formula of C4H6O2, a colorless flammable liquid with a sweet ethereal odor, mainly used in the synthesis of vinylon, and a
Styrene is an organic compound with a chemical formula of C8H8. The electrons of the vinyl group are conjugated with the benzene ring. It is insoluble in water and soluble in most
Ion exchange resin is a polymer compound with functional group, network structure and insoluble. Usually spherical particles. The full name of ion exchange resin consists of classi
Epoxides are a class of compounds with a three-membered cyclic ether structure, the simplest of which is ethylene oxide. Like cyclopropane, the ring strain of epoxy compounds is la
Oct 08, 2022
Electrophilic substitution reaction refers to the reaction in which atoms or groups of atoms in a compound molecule are replaced by electrophiles.
Melamine-formaldehyde resin is a polymer obtained by the reaction of melamine and formaldehyde. The cross-linking reaction occurs during processing and molding, and the product is
Sep 30, 2022
aniline-formaldehyde resin in a strong acid medium (PH
Urea-formaldehyde resin is a polycondensation of urea and formaldehyde under the action of a catalyst (alkaline or acid catalyst) to form an initial urea-formaldehyde resin, and th
Phenolic resin is a colorless or yellow-brown transparent material, and it is often in the form of red, yellow, black, green, brown, blue and other colors with the addition of colo
Steam distillation refers to the leaching method of co-distilling plant materials containing volatile components with water, so that the volatile components are distilled with wate
