Conjugation of Soybean Oil and It’s Free-Radical Copolymerization with Acrylonitrile |
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| Authors: | Liting Yang Chunlan Dai Lijun Ma and Shaoquan Lin |
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| Institution: | (1) School of Chemistry and Environment, South China Normal University, 510006 Guangzhou, People’s Republic of China;(2) Guangdong Liansu Technology Co. Ltd., 528318 Shunde, Guangdong, People’s Republic of China |
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| Abstract: | The conjugated soybean oil was synthesized through the isomerization reaction of soybean oil to transformed the structure
of linoleic acid into conjugated linoleic acid structure, and Rhodium complexes (RhCl(Pph3)3) was used as catalyst. The efficiency on the conjugation of catalyst RhCl (Pph3)3, tin dichloride dehydrate (SnCl2·2H2O) and triphenylphosphine (Pph3) were evaluated. The results showed when RhCl(Pph3)3, SnCl2·2H2O and Pph3 are 9.25, 9.0 and 13.1 mg in 100 g soybean oil respectively, the highest conversion of conjugation achieved 96%. The free
radical copolymerization of conjugated soybean oil with acrylonitrile (AN) and dicyclopentadiene (DCP) was studied. AIBN was
used as the initiator. FT-IR and 1H-NMR results indicates that the conjugated soybean oil with AN and DCP did occur free radical copolymerization with the initiator
AIBN. The product is light yellow powder. The thermal properties of the soy-based copolymer were investigated by TG and DSC.
The initial degradation temperature of polymers is higher then 250 °C. |
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