Four new types of organic siloxane surfactants with quaternary ammonium group havebeen obtained.

Controlled synthesis of quaternary ammonium salt of amino-terminated hyperbranched polymer;

Preparation of Antimicrobial Plastics Containing Nano-meter SiO_2 Grafted High-molecular Quaternary Ammonium Salt;

Study on the modification of the expansion behavior of organic bentonite by the compound of molecular deposition filming flooding agent with alkyl quaternary ammonium salts;

Preparation and application of new type quaternary ammonium salt as softener for clothings;

Survey of quaternary ammonium-type cation antistatic agent and its development;

The synthesis of bactericidal resin having quaternary ammonium with long chain alkyl;