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A Review on Multifunctional Epoxy-Based Joncryl® ADR Chain Extended Thermoplastics

Title data

Standau, Tobias ; Nofar, Mohammadreza ; Dörr, Dominik ; Ruckdäschel, Holger ; Altstädt, Volker:
A Review on Multifunctional Epoxy-Based Joncryl® ADR Chain Extended Thermoplastics.
In: Polymer Reviews. (5 May 2021) . - pp. 1-55.
ISSN 1558-3716
DOI: https://doi.org/10.1080/15583724.2021.1918710

Abstract in another language

Reactive additives allow to adapt the properties of thermoplastic polymers during processing and for their later use. The chemical modification using multifunctional epoxide styrene-acrylic chain extenders (CE) in reactive processes is by now an established method to prevent degradation and to improve the process ability as well as the final properties of thermoplastics. One of the most common representatives of these CE is better known under its trade name Joncryl®. Since several years ago, Joncryl® ADR owes an ever-growing importance in industry and academia. It can be applied as reactive melt modifier for numerous polymers, mainly polyesters, where it largely affects the rheological properties and the thermal behavior. This review focuses on the reactive behavior of Joncryl® ADR as well as the induced changes in the rheological behavior of the polymers caused by this modification. The Joncryl® ADR incorporation leads to an increased shear viscosity, a higher melt strength and induces strain hardening due to the formation of branched chains and/or even crosslinking. The crystallization is also directly influenced by the changed chain topology. Eventually, this review article extensively addresses the benefits of using Joncryl® for processing such as stabilization, recycling, foaming, and polymer blending.

Further data

Item Type: Article in a journal
Refereed: Yes
Keywords: Chain extender; Joncryl®; reactive extrusion; chemical modification; branching; rheology; crystallization; recycling; foaming; blending
Institutions of the University: Faculties
Faculties > Faculty of Engineering Science
Faculties > Faculty of Engineering Science > Former Professors
Faculties > Faculty of Engineering Science > Chair Polymer Materials
Faculties > Faculty of Engineering Science > Former Professors > Chair Polymer Materials - Univ.-Prof. Dr.-Ing. Volker Altstädt
Faculties > Faculty of Engineering Science > Chair Polymer Materials > Chair Polymer Materials - Univ.-Prof. Dr.-Ing. Holger Ruckdäschel
Research Institutions
Research Institutions > Research Centres
Research Institutions > Research Centres > Bayreuth Institute of Macromolecular Research - BIMF
Research Institutions > Affiliated Institutes
Research Institutions > Affiliated Institutes > Bavarian Polymer Institute (BPI)
Result of work at the UBT: Yes
DDC Subjects: 600 Technology, medicine, applied sciences
600 Technology, medicine, applied sciences > 620 Engineering
Date Deposited: 18 May 2021 12:16
Last Modified: 18 May 2021 12:16
URI: https://eref.uni-bayreuth.de/id/eprint/65247