<abstract xml:lang="en" xmlns="http://www.w3.org/1999/xhtml"><p>Poly(aliphatic/aromatic-ester) (PED) multiblock copolymers belong to the class of thermoplastic elastomers (TPEs), characterized by a physical network of semi-crystalline hard segments. The PEDs were modified with e-beam to create an additional network structure. Polymers were evaluated using SEC, WAXS, DSC and quasi-static tensile tests. E-beam irradiation induced a significant increase of molecular weight and tensile strength of the PEDs. This effect, together with the diminished degree of crystallinity can be explained by the formation of chemical crosslinks, which are located in the hard phase segments.</p></abstract>

Poly(aliphatic/aromatic-ester) (PED) multiblock copolymers belong to the class of thermoplastic elastomers (TPEs), characterized by a physical network of semi-crystalline hard segments. The PEDs were modified with e-beam to create an additional network structure. Polymers were evaluated using SEC, WAXS, DSC and quasi-static tensile tests. E-beam irradiation induced a significant increase of molecular weight and tensile strength of the PEDs. This effect, together with the diminished degree of crystallinity can be explained by the formation of chemical crosslinks, which are located in the hard phase segments.

Influence of e-beam irradiation on the chemical and crystal structure of poly(aliphatic/aromatic-ester) multiblock thermoplastic elastomers

Biomaterials and Microbiological Technologies, West Pomeranian University of Technology, Szczecin, ul Pulaskiego 10, 70-322 Szczecin, Poland

Department of Polymer Science, The University of Akron, Akron, OH 44325, USA

Polish Journal of Chemical Technology

Poly(aliphatic/aromatic-ester) (PED) multiblock copolymers belong to the class of thermoplastic elastomers (TPEs), characterized by a physical network of...

Influence of e-beam irradiation on the chemical and crystal structure of poly(aliphatic/aromatic-ester) multiblock thermoplastic elastomers

Published Online: Jul 02, 2012

Page range: 70 - 74

DOI: https://doi.org/10.2478/v10026-012-0073-6

Keywords
biopolymers, thermoplastic elastomers, e-beam irradiation, multiblock polyesters, DSC

This content is open access.

Influence of e-beam irradiation on the chemical and crystal structure of poly(aliphatic/aromatic-ester) multiblock thermoplastic elastomers

Published Online: Jul 02, 2012

Page range: 70 - 74

DOI: https://doi.org/10.2478/v10026-012-0073-6

Keywordsbiopolymers, thermoplastic elastomers, e-beam irradiation, multiblock polyesters, DSC

This content is open access.

Keywords
biopolymers, thermoplastic elastomers, e-beam irradiation, multiblock polyesters, DSC