Institute of Chemical Industy of Forestry Products

Nanjing, China

Institute of Chemical Industy of Forestry Products

Nanjing, China
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Li K.,Institute of Chemical Industy of Forestry Products | Chen J.,Institute of Chemical Industy of Forestry Products | Jiang J.-C.,Institute of Chemical Industy of Forestry Products | Jiang J.-C.,Beijing Institute of Technology | And 5 more authors.
Xiandai Huagong/Modern Chemical Industry | Year: 2015

Choose stillingia oil which has abundant unsaturated bond as raw material, adopt a series of reactions, such as transesterification, isomerization reaction, D-A addition, esterification reaction, synthesized an ester plasticizer plasticizer has six-caned construction-more carbon tricarboxylic monomethyl-dioctyl ester. The results show that: Dioctyl maleic acid ester and Stillingia oil methyl ester can be synchronous conjugated with D-A reaction with iodine as catalyst, The ratio of the amount of substance of stillingia oil methyl ester and maleic anhydride is 1:0.7, the reaction temperature at 180 ℃, reaction time is 3 h; thise plasticizer has better plasticizing effects on PVC, and the thermal stability was better than DOP. © 2015, China National Chemical Information Center. All right reserved.


Li K.,Institute of Chemical Industy of Forestry Products | Jiang J.,Institute of Chemical Industy of Forestry Products | Nie X.,Institute of Chemical Industy of Forestry Products
Speciality Petrochemicals | Year: 2013

Kinetics about synthesis process of dioctyl terephthalate (di-2-ethyl-hexyl terephthalate) (DOTP) from direct esterification between terephthalic acid and isooctyl alcohol was studied with tetrabutyl titanate as the reaction catalyst. A more practical esterification rate equation, (Formula presented.), was proposed on the basis that the speed of generating monoester was for more greater than generating DOTP. The activation energy, Ea = 95.52 kJ/mol, was therefore determined, which made it convenient for controlling the process.

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