MECHANISM OF PHOTOINITIATED CROSSLINKING OF LOW DENSITY POLYETHYLENE V. NMR Studies on Photolysis Products of Benzophenone

Chinese Journal of Magnetic Resonance ›› 1996, Vol. 13 ›› Issue (1): 19-24.

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MECHANISM OF PHOTOINITIATED CROSSLINKING OF LOW DENSITY POLYETHYLENE V. NMR Studies on Photolysis Products of Benzophenone

Xu Yunhua, On Baojun, Lu Fei, Zhang Yuheng

Structure Research Laboratory, University of Science and Technology of China, Hefei 230026

Received:1995-02-25 Revised:1995-04-24 Published:1996-02-05 Online:2018-01-17

Abstract

Abstract: Taking n-C₂₄H₅₀, n-C₁₂H₂₆, squalane, isooctane and 1-hexene as model compounds of low density polyethylene (LDPE), we have detected and identified photolysis products of bensophenone (BP) during the photoinitiated crosslinking of these model compounds for the first time by NMR spectroscopic method. The results show that main product of BP photoreduction is benzopinacol, which provides new experimental evidence for elucidating the mechanism of the photoinitiated crosslinking of LDPE.

Key words: NMR, Low density polyethylene, Photocrosslinking, Photolysis

Xu Yunhua, On Baojun, Lu Fei, Zhang Yuheng. MECHANISM OF PHOTOINITIATED CROSSLINKING OF LOW DENSITY POLYETHYLENE V. NMR Studies on Photolysis Products of Benzophenone[J]. Chinese Journal of Magnetic Resonance, 1996, 13(1): 19-24.

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MECHANISM OF PHOTOINITIATED CROSSLINKING OF LOW DENSITY POLYETHYLENE V. NMR Studies on Photolysis Products of Benzophenone

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