Microphase separation: enabling isosorbide-based polycarbonates with improved property profile

Jan Henk Kamps (Corresponding author), Vaidyanath Ramakrishnan, Theo Hoeks, Bernardus J.P. Jansen, Rint P. Sijbesma, Johan P.A. Heuts

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

Microphase separation of bio-based soft blocks in a hard isosorbide polycarbonate enabled the preparation of a transparent bio-based engineering plastic with improved mechanical properties and processability at milder conditions. The ability to process these isosorbide-containing polycarbonates at lower temperatures in combination with a lower polymerization temperature due to the use of the activated bis(methyl salicyl) carbonate as the carbonate source avoided the undesired elimination of β-hydrogens, which is commonly observed in isosorbide-containing polymers. Preparation of a wide range of custom samples with varying combinations of soft blocks, followed by characterization and statistical analysis, enabled the identification of the correlations between composition and mechanical and thermal properties, resulting in an optimized engineering plastic with facile processing, transparency, and ductility combined with >84% renewable content.

LanguageEnglish
Pages3187-3198
JournalMacromolecules
Volume52
Issue number9
DOIs
StatePublished - 17 Apr 2019

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polycarbonate
Isosorbide
Microphase separation
Polycarbonates
Carbonates
Plastics
Mechanical properties
Transparency
Ductility
Statistical methods
Thermodynamic properties
Polymerization
Hydrogen
Temperature
Polymers
Processing
Chemical analysis

Cite this

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title = "Microphase separation: enabling isosorbide-based polycarbonates with improved property profile",
abstract = "Microphase separation of bio-based soft blocks in a hard isosorbide polycarbonate enabled the preparation of a transparent bio-based engineering plastic with improved mechanical properties and processability at milder conditions. The ability to process these isosorbide-containing polycarbonates at lower temperatures in combination with a lower polymerization temperature due to the use of the activated bis(methyl salicyl) carbonate as the carbonate source avoided the undesired elimination of β-hydrogens, which is commonly observed in isosorbide-containing polymers. Preparation of a wide range of custom samples with varying combinations of soft blocks, followed by characterization and statistical analysis, enabled the identification of the correlations between composition and mechanical and thermal properties, resulting in an optimized engineering plastic with facile processing, transparency, and ductility combined with >84{\%} renewable content.",
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Microphase separation : enabling isosorbide-based polycarbonates with improved property profile. / Kamps, Jan Henk (Corresponding author); Ramakrishnan, Vaidyanath; Hoeks, Theo; Jansen, Bernardus J.P.; Sijbesma, Rint P.; Heuts, Johan P.A.

In: Macromolecules, Vol. 52, No. 9, 17.04.2019, p. 3187-3198.

Research output: Contribution to journalArticleAcademicpeer-review

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T2 - Macromolecules

AU - Kamps,Jan Henk

AU - Ramakrishnan,Vaidyanath

AU - Hoeks,Theo

AU - Jansen,Bernardus J.P.

AU - Sijbesma,Rint P.

AU - Heuts,Johan P.A.

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AB - Microphase separation of bio-based soft blocks in a hard isosorbide polycarbonate enabled the preparation of a transparent bio-based engineering plastic with improved mechanical properties and processability at milder conditions. The ability to process these isosorbide-containing polycarbonates at lower temperatures in combination with a lower polymerization temperature due to the use of the activated bis(methyl salicyl) carbonate as the carbonate source avoided the undesired elimination of β-hydrogens, which is commonly observed in isosorbide-containing polymers. Preparation of a wide range of custom samples with varying combinations of soft blocks, followed by characterization and statistical analysis, enabled the identification of the correlations between composition and mechanical and thermal properties, resulting in an optimized engineering plastic with facile processing, transparency, and ductility combined with >84% renewable content.

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