NDLI: Studies on Co [ poly ( ethylene terephthalate-p-oxybenzoate ) ] Thermotropic Copolyester ( I ) : Synthesis and Thermogravimetric Behavior

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Studies on Co [ poly ( ethylene terephthalate-p-oxybenzoate ) ] Thermotropic Copolyester ( I ) : Synthesis and Thermogravimetric Behavior

Content Provider	Semantic Scholar
Author	Chen, Junwei Lin, Cunguo
Copyright Year	2002
Abstract	A series of co [ poly (ethylene terephthalate-p -0xybenzoate ) ] thermotropic copolyester was synthesized from various ratios of two different moieties of either poly ( ethylene terephthalate) (PET) or its oligomer as moiety (11) withp-acetoxybenzoic acid as moiety ( I ) through the polycondensation process. The polymeric products obtained were then ground and subjected to solid-state polymerization under vacuum for various polymerization times. Thermogravimetric analysis (TGA) and the derivative thermogravimetric analysis (DTG ) were performed with these samples obtained. Also, a commercial product, Eastman 10109, was analyzed in comparison with these samples. I t was found that the copolyesters made of PET and of its oligomer in a p-oxybenzoate (P0B) :PET = 80 : 20 composition ratio and subjected to 8 and 4 h solid-state polymerization times, respectively, showed the most similar thermogravimetric behavior with Eastman 10109.
File Format	PDF HTM / HTML
Alternate Webpage(s)	https://ir.nctu.edu.tw/bitstream/11536/3117/1/A1993KH41400011.pdf
Language	English
Access Restriction	Open
Subject Keyword	1,3-ditolylguanidine Codependency (Psychology) Ethylene Dibromide Ethylenes Poly A Poly Adenosine Diphosphate Ribose Poly I-C Polyethylene terephthalate Polymers TBX1 wt Allele Thioctic Acid Truevision TGA ethylene biosynthetic process
Content Type	Text
Resource Type	Article

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