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Multiblock copolymers of polyamide 6 and diepoxy propylene adipate obtained by solid state polymerization
KTH, School of Biotechnology (BIO), Industrial Biotechnology.
KTH, School of Biotechnology (BIO), Industrial Biotechnology.ORCID iD: 0000-0002-2993-9375
2016 (English)In: European Polymer Journal, ISSN 0014-3057, E-ISSN 1873-1945, Vol. 79, 13-22 p.Article in journal (Refereed) Published
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Abstract [en]

Polyesteramide multiblock copolymers based on polyamide 6 and diepoxy propylene adipate blocks were synthesized. For this purpose a carboxyl-terminated polyamide 6 (Mn = 2400 g/mol, Tm = 205.5 °C) and diepoxy propylene adipate (Mn = 450 g/mol) were separately synthesized and characterized. The incorporation of the oligoester into the polyamide 6 backbone was performed by solid state polymerization (SSP) well below the melting temperature of the polyamide (80-140 °C) so that the physical and thermal properties of the original polyamide 6 block were retained. Formation of the multiblock structure was confirmed by following the increase in molecular weight by SEC, reaction of the end groups by 1H NMR and by following the maintained melting temperature after the copolymerization. These segmented copolymers have molecular weights up to 10 kg/mol, thermal stability of 325 °C at 5% weight loss and a melting temperature of 205 °C.

Place, publisher, year, edition, pages
Elsevier, 2016. Vol. 79, 13-22 p.
Keyword [en]
Biodegradable polyamides, Multiblock copolymers, Polyamide 6, Polyesteramide, Melting, Melting point, Molecular weight, Polymerization, Thermodynamic stability, Multi-block structures, Multiblock co-polymers, Polyesteramides, Propylene adipate, Segmented copolymer, Solid state polymerization, Propylene
National Category
Polymer Technologies
Identifiers
URN: urn:nbn:se:kth:diva-186949DOI: 10.1016/j.eurpolymj.2016.04.009ISI: 000377322100002Scopus ID: 2-s2.0-84962860357OAI: oai:DiVA.org:kth-186949DiVA: diva2:931287
Note

QC 20160527

Available from: 2016-05-27 Created: 2016-05-16 Last updated: 2017-05-17Bibliographically approved

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CiteExportLink to record
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