Long- and short-term stability of plasticized poly(lactic acid): effects of plasticizers type on thermal, mechanical and morphological properties

Long- and short-term stability of plasticized poly(lactic acid): effects of plasticizers type on... Polym. Bull. https://doi.org/10.1007/s00289-018-2388-9 ORIGINAL PAPER Long‑ and short‑term stability of plasticized poly(lactic acid): effects of plasticizers type on thermal, mechanical and morphological properties 1 1 1 Mehmet Kodal  · Humeyra Sirin  · Guralp Ozkoc Received: 6 December 2017 / Revised: 11 May 2018 / Accepted: 26 May 2018 © Springer-Verlag GmbH Germany, part of Springer Nature 2018 Abstract In this work, PLA was plasticized with poly(ethylene glycol) (PEG) having different molecular weights such as 400, 8000 and 35,000 g/mol at various concentrations ranging from 5 to 20%. In addition, a new plasticizer, PEG-function- alized polyhedral oligomeric silsesquioxane (PEG-POSS), was used for compari- son. The short- and long-term mechanical, thermal, and morphological properties of PLA and plasticized PLA were determined by tensile tests, differential scanning calorimetry, and scanning electron microscopy (SEM), respectively. All the blends were found to be miscible in the entire composition range, since a single T was observed. Blending with PEGs and PEG-POSS decreased the tensile modulus and yield strength and increased the elongation at break. The plasticized samples were stored under ambient conditions of temperature and humidity for 4  months and 1 and 2 years to determine their long-term properties. Physical aging was only seen in PEG-400-plasticized PLA samples for 4 months after production. It was found http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Polymer Bulletin Springer Journals

Long- and short-term stability of plasticized poly(lactic acid): effects of plasticizers type on thermal, mechanical and morphological properties

Loading next page...
 
/lp/springer_journal/long-and-short-term-stability-of-plasticized-poly-lactic-acid-effects-YXMZSR6Nk1
Publisher
Springer Journals
Copyright
Copyright © 2018 by Springer-Verlag GmbH Germany, part of Springer Nature
Subject
Chemistry; Polymer Sciences; Soft and Granular Matter, Complex Fluids and Microfluidics; Characterization and Evaluation of Materials; Physical Chemistry; Organic Chemistry
ISSN
0170-0839
eISSN
1436-2449
D.O.I.
10.1007/s00289-018-2388-9
Publisher site
See Article on Publisher Site

Abstract

Polym. Bull. https://doi.org/10.1007/s00289-018-2388-9 ORIGINAL PAPER Long‑ and short‑term stability of plasticized poly(lactic acid): effects of plasticizers type on thermal, mechanical and morphological properties 1 1 1 Mehmet Kodal  · Humeyra Sirin  · Guralp Ozkoc Received: 6 December 2017 / Revised: 11 May 2018 / Accepted: 26 May 2018 © Springer-Verlag GmbH Germany, part of Springer Nature 2018 Abstract In this work, PLA was plasticized with poly(ethylene glycol) (PEG) having different molecular weights such as 400, 8000 and 35,000 g/mol at various concentrations ranging from 5 to 20%. In addition, a new plasticizer, PEG-function- alized polyhedral oligomeric silsesquioxane (PEG-POSS), was used for compari- son. The short- and long-term mechanical, thermal, and morphological properties of PLA and plasticized PLA were determined by tensile tests, differential scanning calorimetry, and scanning electron microscopy (SEM), respectively. All the blends were found to be miscible in the entire composition range, since a single T was observed. Blending with PEGs and PEG-POSS decreased the tensile modulus and yield strength and increased the elongation at break. The plasticized samples were stored under ambient conditions of temperature and humidity for 4  months and 1 and 2 years to determine their long-term properties. Physical aging was only seen in PEG-400-plasticized PLA samples for 4 months after production. It was found

Journal

Polymer BulletinSpringer Journals

Published: Jun 6, 2018

References

You’re reading a free preview. Subscribe to read the entire article.


DeepDyve is your
personal research library

It’s your single place to instantly
discover and read the research
that matters to you.

Enjoy affordable access to
over 18 million articles from more than
15,000 peer-reviewed journals.

All for just $49/month

Explore the DeepDyve Library

Search

Query the DeepDyve database, plus search all of PubMed and Google Scholar seamlessly

Organize

Save any article or search result from DeepDyve, PubMed, and Google Scholar... all in one place.

Access

Get unlimited, online access to over 18 million full-text articles from more than 15,000 scientific journals.

Your journals are on DeepDyve

Read from thousands of the leading scholarly journals from SpringerNature, Elsevier, Wiley-Blackwell, Oxford University Press and more.

All the latest content is available, no embargo periods.

See the journals in your area

DeepDyve

Freelancer

DeepDyve

Pro

Price

FREE

$49/month
$360/year

Save searches from
Google Scholar,
PubMed

Create lists to
organize your research

Export lists, citations

Read DeepDyve articles

Abstract access only

Unlimited access to over
18 million full-text articles

Print

20 pages / month

PDF Discount

20% off