Ester Exchange Reactions in Equimolar Poly(ethylene terephthalate)/Poly(phenylene sebacate) Blends
β Scribed by Lilia Minkova; Sara Filippi; Giovanni Polacco; Massimo Paci; Pierluigi Magagnini
- Publisher
- John Wiley and Sons
- Year
- 2001
- Tongue
- English
- Weight
- 166 KB
- Volume
- 202
- Category
- Article
- ISSN
- 1022-1352
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Belgium, 'imperial Chemical Industries, Paints Division, Wexham Road, Slough SL2 5DS, U.K. ## SYNOPSIS The occurrence of ester-interchange reactions during PET/PBT blend processing has been confirmed by I3C-NMR measurements. The limitations of the method for precise quantification of the extent o
Blends of carboxyl functionalized poly(phenylene sulfide) (PPS) and poly-(ethylene terephthalate) (PET) were shown to undergo an ester interchange reaction during melt blending. Pendent carboxyl functionality randomly incorporated along the PPS chain reacts with the ester moiety of PET to form a gra
Optimum conditions for the synthesis of PEI of considerable molecular weight have been established. Poly(ethylene terephthalate-co-isophthalate) (PETI) has been prepared through the ester interchange reaction of a blend of poly(ethylene terephthalate) (PET) and poly(ethylene isophthalate) (PEI). NMR