Publikation: Long-chain aliphatic polyesters from plant oils for injection molding, film extrusion and electrospinning
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Green Chemistry. 2014, 16(4), pp. 2008-2014. ISSN 1463-9262. eISSN 1463-9270. Available under: doi: 10.1039/C4GC00114A
Zusammenfassung
The polycondensation of long-chain α,ω-diesters with long-chain α,ω-diols, prepared by means of catalytic conversion of plant oils, affords linear aliphatic polyesters. They contain both long crystallizable polyethylene-like hydrocarbon segments and ester moieties in the backbone. In a convenient catalytic one-step process a high-purity polycondensation grade dimethyl-1,19-nonadecanedioate monomer is obtained directly from the technical grade methyl ester of high oleic sunflower oil. Likewise, dimethyl-1,23-tricosanedioate is derived from methyl erucate. The successful scale-up renders both intermediates available on a 100 g scale. Injection molded parts of polyester-19.19 and -23.23 with a number average molecular mass of Mn = 3 × 104 g mol−1 possess an elongation at break of >600% and a Young's modulus of 400 MPa. Electrospinning produces non-woven meshes. The polyesters prepared even enable film extrusion and represent new blend components for a variety of thermoplastics including polyethylene.
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STEMPFLE, Florian, Benjamin S. RITTER, Rolf MÜLHAUPT, Stefan MECKING, 2014. Long-chain aliphatic polyesters from plant oils for injection molding, film extrusion and electrospinning. In: Green Chemistry. 2014, 16(4), pp. 2008-2014. ISSN 1463-9262. eISSN 1463-9270. Available under: doi: 10.1039/C4GC00114ABibTex
@article{Stempfle2014Longc-27473,
year={2014},
doi={10.1039/C4GC00114A},
title={Long-chain aliphatic polyesters from plant oils for injection molding, film extrusion and electrospinning},
number={4},
volume={16},
issn={1463-9262},
journal={Green Chemistry},
pages={2008--2014},
author={Stempfle, Florian and Ritter, Benjamin S. and Mülhaupt, Rolf and Mecking, Stefan}
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<dcterms:abstract xml:lang="eng">The polycondensation of long-chain α,ω-diesters with long-chain α,ω-diols, prepared by means of catalytic conversion of plant oils, affords linear aliphatic polyesters. They contain both long crystallizable polyethylene-like hydrocarbon segments and ester moieties in the backbone. In a convenient catalytic one-step process a high-purity polycondensation grade dimethyl-1,19-nonadecanedioate monomer is obtained directly from the technical grade methyl ester of high oleic sunflower oil. Likewise, dimethyl-1,23-tricosanedioate is derived from methyl erucate. The successful scale-up renders both intermediates available on a 100 g scale. Injection molded parts of polyester-19.19 and -23.23 with a number average molecular mass of M<sub>n</sub> = 3 × 10<sup>4</sup> g mol<sup>−1</sup> possess an elongation at break of >600% and a Young's modulus of 400 MPa. Electrospinning produces non-woven meshes. The polyesters prepared even enable film extrusion and represent new blend components for a variety of thermoplastics including polyethylene.</dcterms:abstract>
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