Application of Rare Rarth Compound Photosensitizer in Incinerable and Degradable PE

doi:10.19491/j.issn.1001-9278.2008.08.015

China Plastics ›› 2008, Vol. 22 ›› Issue (08): 68-73 .DOI: 10.19491/j.issn.1001-9278.2008.08.015

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Application of Rare Rarth Compound Photosensitizer in Incinerable and Degradable PE

XIAO Li一ren

College of Chemistry and Materials Science>Fujian Normal University, The Institute of Fujian Modified Plastic Research and Development Technology, Fuzhou 350007, China

Received:2008-04-23 Revised:1900-01-01 Online:2008-08-26 Published:2008-08-26

Abstract

Abstract: The experimental methods such as artificial accelerated weathering, outdoor exposure, andlandfill in natural soil were conducted to test the aging and degradation properties of PE film containingrarer earth photosensitizer, CaC03，and a biologically activating agent. Characterizations with SEM，
TG-IR，and Ubbclhode viscometer showed that the rare-earth photosensitizer promoted the light-induced oxidative degradation of the PE film. The incinerable and degradable PE film possessed thecnvi ronmcntal-，photo-，and biological-degradability.

Key words: rare earth compound photosensitizer, incineration, degradability, polyethylene film, formula design, oxidative degradation in darkness

XIAO Li一ren. Application of Rare Rarth Compound Photosensitizer in Incinerable and Degradable PE[J]. China Plastics, 2008, 22(08): 68-73 .

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Application of Rare Rarth Compound Photosensitizer in Incinerable and Degradable PE

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