Syntheses and characterization of poly(butylene terephthalate) copolyesters modified with p-acetoxybenzoic acid
β Scribed by Tae-Kyu Kang; Yang Kim; Won-Jei Cho; Chang-Sik Ha
- Publisher
- John Wiley and Sons
- Year
- 2001
- Tongue
- English
- Weight
- 477 KB
- Volume
- 80
- Category
- Article
- ISSN
- 0021-8995
- DOI
- 10.1002/app.1193
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## Abstract Poly(butylene terephthalateβ__co__β2βmethylβethylene terephthalate) (PBT/MET) was synthesized by incorporating 1,2βpropandiol(1,2βPDO) into PBT chains. The molar composition and chemical structure of PBT/MET copolyesters were confirmed by means of FTβIR and ^1^HβNMR. To investigate the
Poly(ethylene terephthalate) (PET) was blended with three different kinds of co[poly(butylene terephthalate-p-oxybenzoate)] copolyesters, designated B28, B46, and B64, with the level of copolyester varying from 1 to 15 wt %. All samples were prepared by solution blending in a 60/40 by weight phenol/