Surface modification of unsaturated polyester resins with perfluoropolyethers

E. Fabbri; P. Fabbri; M. Messori; F. Pilati; C. Tonelli; M. Toselli

Published : 2022-09-01

Vol. 49 No. 11-12 (2004)

Surface modification of unsaturated polyester resins with perfluoropolyethers

E. Fabbri P. Fabbri M. Messori F. Pilati C. Tonelli M. Toselli

Abstract

Fluorine-modified unsaturated polyester resins were prepared by using polycaprolactone/perfluoropolyether/polycaprolactone triblock copolymers having hydroxyl or methacrylate end-groups. Despite the immiscibility of the perfluoropolyether segment, all the modified resins were fully transparent after curing thanks to the compatibilization effect of the polycaprolactone segments. Contact angle measurements showed a very low water wettability for all investigated resin compositions. Also in the case of system with the lower bulk copolymer concentration (less than 0.3 phr) contact angle was higher than 94°. It has been demonstrated that the presence of methacrylate end-groups tends to hinder the surface segregation of the fluorinated additive.

Keywords

nienasycone żywice poliestrowe ; żywice poliestrowe ; modyfikacja powierzchni ; poli(fluoroetery) ; kąt zwilżania wodą unsaturated polyester resins ; surface modification ; polyfluoroethers ; water contact angle

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Fabbri, E., Fabbri, P., Messori, M., Pilati, F., Tonelli, C., & Toselli, M. (2022). Surface modification of unsaturated polyester resins with perfluoropolyethers. Polimery, 49(11-12), 785–789. Retrieved from https://ichp.vot.pl/index.php/p/article/view/1813

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E. Fabbri polimery@ichp.pl

Affiliation
Universiti di Modena e Reggio Emilia, Dipartimento di Ingegneria dei Materiali e dell' Ambiente, via Vignolese 905/A, 41100 Modena, Italy

P. Fabbri

Affiliation
Universiti di Modena e Reggio Emilia, Dipartimento di Ingegneria dei Materiali e dell' Ambiente, via Vignolese 905/A, 41100 Modena, Italy

M. Messori

Affiliation
Universiti di Modena e Reggio Emilia, Dipartimento di Ingegneria dei Materiali e dell' Ambiente, via Vignolese 905/A, 41100 Modena, Italy

F. Pilati

Affiliation
Universiti di Modena e Reggio Emilia, Dipartimento di Ingegneria dei Materiali e dell' Ambiente, via Vignolese 905/A, 41100 Modena, Italy

C. Tonelli

Affiliation
Solvay-Solexis, v. le Lombardia 20, 20021 Bollate, Italy

M. Toselli

Affiliation
Universita di Bologna, Departamento di Chimica Applicata e Scienza de Materiali, viale Risorgimento 2, 40136 Bologna Italy