引用本文:
黄宏亮, 姚占海, 张建国, 殷敬华. 乙丙共聚物接枝马来酸酐反应机理的模拟研究[J]. 应用化学,
2000, 17(3): 256-259.
Citation: HUANG Hong-Liang, YAO Zhan-Hai, ZHANG Jian-Guo, YIN Jing-Hua. Investigation of Reaction Mechanism of Maleic Anhydride Grafted onto Ethylene-Propylene Copolymer[J]. Chinese Journal of Applied Chemistry, 2000, 17(3): 256-259.
Citation: HUANG Hong-Liang, YAO Zhan-Hai, ZHANG Jian-Guo, YIN Jing-Hua. Investigation of Reaction Mechanism of Maleic Anhydride Grafted onto Ethylene-Propylene Copolymer[J]. Chinese Journal of Applied Chemistry, 2000, 17(3): 256-259.
乙丙共聚物接枝马来酸酐反应机理的模拟研究
English
Investigation of Reaction Mechanism of Maleic Anhydride Grafted onto Ethylene-Propylene Copolymer
Abstract:
Squalane has been used as a simulated substrate to investigate the reaction mechanism of maleic anhydride in grafting onto ethylene-propylene copolymer in the presence of a peroxide initiator. Mass spectrometric analysis shows the products contain both poly(maleic anhydride) and squalane grafted maleic anhydride. This result indicates that instead of 150℃, the ceiling polymerization temperature of maleic anhydride as suggested by Gaylo rd, maleic anhydride can form short chain homopolymer even at 170℃, the reaction tempe rature used in this paper, in case of V(sq): W (MA): W (init)=100:2:0.2. 13C NMR study shows that maleic anhydride can be grafted onto both methine carbons and methylene carbons of squalane, but the amount of maleic anhydride grafted onto methine carbons is greater than that onto methylene carbons. Most maleic anhydride are grafted onto squalane in form of single unit due to the inter-and intramolecular hydrogen transfer.
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