benzotriazole-hindered phenol,HALS-hindered phenol,HALS-benzophenone,HALS-benzotriazole,thioester-antioxidant and coupler-hindered phenolic-antioxidant.

Camphene reacted with Cp 2Zr(H)Cl(Cp=η 5 C 5H 5 )and CO to form acylzirconocene chloride derivative,which was trapped with water,aryl halides and arylsulfenyl chlorides to give aldehyde,ketones and thioesters respectively.

The synthesis and application technologies for thioester antioxidant at home and abroad were introduced, the differences between the constitute of thioester antioxidants of domestic and abroad were described, and some suggestions for the development of thioester antioxidants in China were also pointed out.

The method was developed for the analysis of α-endosulfan,β-endosulfan and endosulfan sulfate in fishery foods.

Study on the relationship of sulfation and structural stability of polysaccharides from pumpkin pulp

Objective To optimize the sulfation-conditions of Bletilla striata polysaccharide (BSPS).

Methods: The title compound was synthesized by sulfation using sulfur trioxide trimethyl amine complex after protecting 4,7 dihydroxyl groups with acetic anhydride.

On the foam performance of sulfate of cocamide monoethanolamide;

Cocount oil fatty acid monoethanolamide sulfate was prepared by the reaction of sulfuric acid with cocount oil fatty acid monoethanolamide.

It is introduced the biodegradable lubricating greases form aspects of base Stocks,thicker and additives,vegetable oil,synthetic ester and water can be base Stock of biodegradable lubricating greases,calcium soap and titanium complex can be thicker of biodegradable lubricating greases,the biodegradation rate of vulcanized ester is more than 80%.