Aggregation State and Thermal Properties of Copolyesters Containing Phosphaphenathrene

doi:10.19491/j.issn.1001-9278.2008.08.004

China Plastics ›› 2008, Vol. 22 ›› Issue (08): 17-21 .DOI: 10.19491/j.issn.1001-9278.2008.08.004

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Aggregation State and Thermal Properties of Copolyesters Containing Phosphaphenathrene

QIAN Li-jun，DONG Yu-ping

1Department of Materials Science and Engineering, Beijing Technology and Business University, Beijing 100037,C;hina;2. College of Materials Science and Engineering, Beijing Institute of Technology, Beijing 100081 ,C;hina

Received:2008-05-09 Revised:1900-01-01 Online:2008-08-26 Published:2008-08-26

Abstract

Abstract: Phosphorus-containing copolycsters were synthesized via solution polycondensation from 2-}6-oxide-6H-dihenz( c，c)(1，2) oxaphos-phorin-6-yl〕-dihydroxyphenylene, schacoyl chloride, and p-dihen-zoyl chloride. The structures and thermal behaviors were investigated by FT-IR，GPC, DSC, TGA，POM, and WXRD. The properties of the copolycsters can he adjusted by changing the mol ratio of scha-coyl to p-dihcnzoyl.八、the ratio was lower than 4:6，the copolycster was crystalizahle with a melting point about 355℃.When the mol ratio changed from 10/0 to 1 /9，the Tg increased from 30℃to172℃，the char yield at 600℃increased from 4.7%to 49.3%.

Key words: phosphaphenathrene, copolycster, aggregation state, thermal property

QIAN Li-jun, DONG Yu-ping. Aggregation State and Thermal Properties of Copolyesters Containing Phosphaphenathrene[J]. China Plastics, 2008, 22(08): 17-21 .

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Aggregation State and Thermal Properties of Copolyesters Containing Phosphaphenathrene

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