Effect of mixing conditions on the rheological and optical properties of chemically modified poly(ethylene terephthalate‐ co ‐ethylene isophthalate) | Zendy

Yamaguchi Masayuki | Zendy; Wakabayashi Takashi | Zendy; Kanoh Taichi | Zendy

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Effect of mixing conditions on the rheological and optical properties of chemically modified poly(ethylene terephthalate‐ co ‐ethylene isophthalate)

Author(s) -

Yamaguchi Masayuki,

Wakabayashi Takashi,

Kanoh Taichi

Publication year - 2007

Publication title -

journal of applied polymer science

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.575

H-Index - 166

eISSN - 1097-4628

pISSN - 0021-8995

DOI - 10.1002/app.27386

Subject(s) - copolymer , materials science , ethylene , polymer chemistry , rheology , styrene , methyl acrylate , polymer , chemical engineering , polymer blend , mixing (physics) , composite material , catalysis , organic chemistry , chemistry , engineering , physics , quantum mechanics

The optical properties and rheological properties were studied for binary reactive blends composed of poly(ethylene terephthalate‐ co ‐ethylene isophthalate) [P(ET–EI)] and a styrene–acrylate based copolymer with glycidyl functionality. The blade rotation speed in the internal mixer greatly affected the structure and properties for the blend system. Intensive mixing at a high rotation speed enhanced the optical transparency because of the reduced particle size of the dispersed phase. The graft copolymer generated by the reaction between P(ET–EI) and the modifier was responsible for the fine morphology. Furthermore, the copolymer also enhanced the elastic nature in the molten state because it acted as a long‐chain branched polymer. © 2007 Wiley Periodicals, Inc. J Appl Polym Sci 2008

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