A STUDY ON THE SPECTRUM CHARACTER AND PHOTOSTABILIZATION ABILITY OF A NOVEL UV-ABSORBER-DIBENZOYL METHANE

WU Shikang; DAI Guangsong; LIU Lusheng

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A STUDY ON THE SPECTRUM CHARACTER AND PHOTOSTABILIZATION ABILITY OF A NOVEL UV-ABSORBER-DIBENZOYL METHANE

Papers | Updated：2021-06-21

- A STUDY ON THE SPECTRUM CHARACTER AND PHOTOSTABILIZATION ABILITY OF A NOVEL UV-ABSORBER-DIBENZOYL METHANE
- A STUDY ON THE SPECTRUM CHARACTER AND PHOTOSTABILIZATION ABILITY OF A NOVEL UV-ABSORBER-DIBENZOYL METHANE
- 高分子科学（英文版） 1987年5卷第1期页码：7-11
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- 纸质出版：1987-03-20
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WU Shikang, DAI Guangsong, LIU Lusheng. A STUDY ON THE SPECTRUM CHARACTER AND PHOTOSTABILIZATION ABILITY OF A NOVEL UV-ABSORBER-DIBENZOYL METHANE[J]. 高分子科学（英文版）, 1987,5(1):7-11.

WU Shikang, DAI Guangsong, LIU Lusheng. A STUDY ON THE SPECTRUM CHARACTER AND PHOTOSTABILIZATION ABILITY OF A NOVEL UV-ABSORBER-DIBENZOYL METHANE[J]. 1987, 5(1): 7-11.
WU Shikang, DAI Guangsong, LIU Lusheng. A STUDY ON THE SPECTRUM CHARACTER AND PHOTOSTABILIZATION ABILITY OF A NOVEL UV-ABSORBER-DIBENZOYL METHANE[J]. 高分子科学（英文版）, 1987,5(1):7-11. DOI：

WU Shikang, DAI Guangsong, LIU Lusheng. A STUDY ON THE SPECTRUM CHARACTER AND PHOTOSTABILIZATION ABILITY OF A NOVEL UV-ABSORBER-DIBENZOYL METHANE[J]. 1987, 5(1): 7-11. DOI：

摘要

The absorption and fluorescence spectra of dibenzoyl methane have been studied. From the absorption spectra it was found that there are two peaks locating at 252 nm and 340 nm

respectively

similar to that of o-hydroxy benzophenone which can form intra-molecular hydrogen bond. Besides

an uncommonly large Stoke's shift of fluorescence can be observed in fluorescence spectra. The photostabilizing effects of dibenzoyl methane and UV-531 on the photodegradation of poly (cis-1

4-butadiene) in solution have been investigated and compared.A possible mechanism was discussed.

Abstract

The absorption and fluorescence spectra of dibenzoyl methane have been studied. From the absorption spectra it was found that there are two peaks locating at 252 nm and 340 nm

respectively

similar to that of o-hydroxy benzophenone which can form intra-molecular hydrogen bond. Besides

an uncommonly large Stoke's shift of fluorescence can be observed in fluorescence spectra. The photostabilizing effects of dibenzoyl methane and UV-531 on the photodegradation of poly (cis-1

4-butadiene) in solution have been investigated and compared.A possible mechanism was discussed.

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