Synthesis and properties of fibers based on polylactide stereocomplexes


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Abstract

Twin-screw extruder was used to produce fibers based on polyactide and its stereocomplexes. The fibers were subjected to an additional 4- and 6-fold orientation stretching. The supramolecular structure of the oriented and unoriented fibers was studied. It was found that the degree of orientation stretching of the polyactide fibers affects their stress-strain and elastic characteristics and also their biodegradation kinetics.

About the authors

K. V. Malafeev

Peter the Great St. Petersburg Polytechnic University; Institute of Macromolecular Compounds

Author for correspondence.
Email: kostya_malafeev@mail.ru
Russian Federation, ul. Politekhnicheskaya 29, St. Petersburg, 194021; Bolʼshoi pr. VO 31, St. Petersburg, 199004

O. A. Moskalyuk

Institute of Macromolecular Compounds; St. Petersburg State University of Industrial Technologies and Design

Email: kostya_malafeev@mail.ru
Russian Federation, Bolʼshoi pr. VO 31, St. Petersburg, 199004; ul. Bolʼshaya Morskaya 18, St. Petersburg, 191186

V. E. Yudin

Peter the Great St. Petersburg Polytechnic University; Institute of Macromolecular Compounds

Email: kostya_malafeev@mail.ru
Russian Federation, ul. Politekhnicheskaya 29, St. Petersburg, 194021; Bolʼshoi pr. VO 31, St. Petersburg, 199004

V. Yu. Elokhovskii

Institute of Macromolecular Compounds

Email: kostya_malafeev@mail.ru
Russian Federation, Bolʼshoi pr. VO 31, St. Petersburg, 199004

E. N. Popova

Institute of Macromolecular Compounds

Email: kostya_malafeev@mail.ru
Russian Federation, Bolʼshoi pr. VO 31, St. Petersburg, 199004

L. S. Litvinova

Institute of Macromolecular Compounds

Email: kostya_malafeev@mail.ru
Russian Federation, Bolʼshoi pr. VO 31, St. Petersburg, 199004

D. N. Suslov

Pavlov First State Medical University of St. Petersburg

Email: kostya_malafeev@mail.ru
Russian Federation, ul. Lʼva Tolstogo 6–8, St. Petersburg, 197022

E. M. Ivan’kova

Institute of Macromolecular Compounds

Email: kostya_malafeev@mail.ru
Russian Federation, Bolʼshoi pr. VO 31, St. Petersburg, 199004

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