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Novel concept for low temperature curing powder coatings based on hyperbranched polyesters
KTH, Superseded Departments, Polymer Technology.ORCID iD: 0000-0003-3201-5138
KTH, Superseded Departments, Polymer Technology.ORCID iD: 0000-0002-8348-2273
KTH, Superseded Departments, Polymer Technology.ORCID iD: 0000-0002-9372-0829
2000 (English)In: JCT: Journal of Coatings Technology, ISSN 0361-8773, Vol. 72, no 906, 49-54 p.Article in journal (Refereed) Published
Abstract [en]

The concept of using hyperbranched polymers as scaffolds for solid thermoset resin applications is described. A series of semi-crystalline methyacrylate-functional aliphatic polyesters has been synthesized and characterized for applications as solid thermoset resins, e.g., powder coating resins. The polyester resins have been crosslinked by UV irradiation producing either amorphous or semi-crystalline crosslinked films depending on the initial structure. The resins are based on hyperbranched aliphatic polyester chains have been grafted and end-capped with methacrylate moieties. The resins exhibit a rheological behavior suitable for low temperature curing powder coatings, i.e., films that can be readily formed and UV cured at temperatures below 80 degrees C.

Place, publisher, year, edition, pages
2000. Vol. 72, no 906, 49-54 p.
Keyword [en]
polymers, dendrimers
Identifiers
URN: urn:nbn:se:kth:diva-19890ISI: 000088084400017OAI: oai:DiVA.org:kth-19890DiVA: diva2:338582
Note
QC 20100525Available from: 2010-08-10 Created: 2010-08-10 Last updated: 2017-12-12Bibliographically approved

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Johansson, Mats K. G.Malmström, Eva E.Hult, Anders

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