Structure and physical properties of cellulose acetate/poly( L ‐lactide) blends | Zendy

Ogata Nobuo | Zendy; Tatsushima Toru | Zendy; Nakane Koji | Zendy; Sasaki Kenji | Zendy; Ogihara Takashi | Zendy

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Structure and physical properties of cellulose acetate/poly( L ‐lactide) blends

Author(s) -

Ogata Nobuo,

Tatsushima Toru,

Nakane Koji,

Sasaki Kenji,

Ogihara Takashi

Publication year - 2002

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.10690

Subject(s) - materials science , polymer blend , polymer , hydrolysis , thermal stability , solvent , cellulose acetate , polymer chemistry , chemical engineering , thermal decomposition , lactide , composite material , miscibility , cellulose , copolymer , organic chemistry , chemistry , engineering

Two biodegradable polymers, poly( L ‐lactide) (PLLA) and cellulose acetate (CA), were solvent‐cast‐blended with chloroform. Macrophase separation took place without a compatibilizer. However, homogeneous blend films were obtained with the addition of tetraisopropyl titanate (TP) as a compatibilizer to the blend. We investigated the reasons for the blends exhibiting homogeneity and measured the physical properties of the blends. We reached the following conclusions: (1) the addition of TP produces small PLLA crystallites in the PLLA/CA blends, (2) the addition of TP reduces the thermal decomposition temperature of PLLA/CA blends, (3) Young's modulus of the blends is almost independent of the blend ratio, and (4) the introduction of TP assists with the hydrolysis of the blends. © 2002 Wiley Periodicals, Inc. J Appl Polym Sci 85: 1219–1226, 2002

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