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Catalysts are accelerators for many chemical reactions. Catalyst is an important additive for synthetic resins, and polyurethane is no exception. Poly…

Synthesizeaqueous polyurethane catalyst. Generally, diisocyanate and oligomer diol (or polyol) are first synthesized Pre-react with the chain extender…

Polyurethane foaming agent is a cross-combination product of aerosol technology and polyurethane foam technology. Sponge state appears on both the spl…

As a kind of petroleum derivative, it is often criticized as “unnatural”. Isn’t petroleum a natural product? Not to mention the rumo…

Another innocent victim in the field of large industry. It is not unfair to say that it is not natural. There is indeed no “semi-organic substan…

Silicone surfactants are a new generation of surfactants that have been studied as hot topics in recent years with the rise of new silicone materials….

Nonionic surfactants are mainly silicone-polyether copolymers with polysiloxane backbone as the hydrophobic group and polyether as the hydrophilic gro…

According to the connection method between the polyether chain segment and the siloxane chain segment, it is divided into: Si-O-C type and Si-C type. …

When the hydrophilic group contains structural units such as quaternary ammonium salt, imidazole salt, pyrrole salt, and pyridinium salt, it is a cati…

Chinese scientists synthesized a cationic polyether-modified organosilicon quaternary ammonium salt shampoo conditioner through addition, ring-opening…

Other scientists have found that the greater the proportion of hydrophobic polysiloxane in the polysiloxane quaternary ammonium salt molecules and the…