UV-cured powder transparent coatings based on oligo(meth)acrylic resins

• Autorzy: Pojnar Katarzyna , Pilch-Pitera Barbara , Kisiel Maciej , Zioło Aleksandra , Kędzierski Michał

Identyfikatory

DOI

10.14314/polimery.2024.1.2

Warianty tytułu

PL

Utwardzane UV lakiery proszkowe na bazie żywic oligo(metylo)akrylowych

• Języki publikacji: EN

Abstrakty

EN

Polyacrylic resins containing glycidyl methacrylate (GMA), methyl methacrylate (MMA) and n-butyl acrylate (BA) in various molar ratios were obtained. Triaryl sulfonium hexafluorophosphate was used as a photoinitiator and reacted with the epoxy groups of GMA. The relationship between the chemical structure of polyacrylic resins and the parameters of the UV curing reaction and the func¬tional properties of powder coatings was investigated. The appearance and mechanical properties of the coatings were determined based on thickness, gloss, roughness, deformability, scratch resistance, adhesion to steel, hardness, and water contact angle. DMA was used to assess the cross-link density. Powder coatings with good physical and mechanical properties and curing time of 70 s were obtained.

PL

Otrzymano żywice poliakrylowe zawierające metakrylan glicydylu (GMA), metakrylan metylu (MMA) i akrylan n-butylu (BA) w różnych stosunkach molowych. Jako fotoinicjatora użyto heksafluorofosforanu triarylosulfoniowego, który reagował z grupami epoksydowymi GMA. Zbadano zależność pomiędzy budową chemiczną żywic poliakrylowych a parametrami reakcji utwardzania UV i właściwościami użytkowymi powłok proszkowych. Wygląd i właściwości mechaniczne powłok określano na podstawie grubości, połysku, chropowatości, odkształcalności, odporności na zarysowania, przyczepności do stali, twardości i kąta zwilżania wodą. Do oceny gęstości usieciowania zastosowano DMA. Otrzymano powłoki proszkowe o dobrych właściwościach fizyko-mechanicznych i czasie utwardzania 70 s.

Słowa kluczowe

EN

polyacrylic resins; powder varnishes; UV curing; cationic photopolymerization

PL

żywice poliakrylowe; lakiery proszkowe; utwardzanie UV; fotopolimeryzacja kationowa

• Wydawca: Sieć Badawcza Łukasiewicz – Instytut Chemii Przemysłowej
• Czasopismo: Polimery
• Rocznik: 2024
• Tom: Vol. 69, nr 1
• Strony: 11--24
• Opis fizyczny: Bibliogr. 44 poz., rys., tab., wykr.

Twórcy

autor

Pojnar Katarzyna

• Doctoral School of Engineering and Technical Sciences at the Rzeszow University of Technology, ul. Powstańców Warszawy 12, 35-959 Rzeszów, Poland

• https://orcid.org/0000-0001-9877-7448

autor

Pilch-Pitera Barbara

• Faculty of Chemistry, Department of Polymers and Biopolymers, Rzeszow University of Technology, ul. Powstańców Warszawy 6, 35-959 Rzeszów, Poland

• https://orcid.org/0000-0002-2412-2219

autor

Kisiel Maciej

• Faculty of Chemistry, Department of Industrial and Materials Chemistry, Rzeszow University of Technology, ul. Powstańców Warszawy 6, 35-959 Rzeszów, Poland

• https://orcid.org/0000-0003-2034-9026

autor

Zioło Aleksandra

• Doctoral School of Engineering and Technical Sciences at the Rzeszow University of Technology, ul. Powstańców Warszawy 12, 35-959 Rzeszów, Poland

• https://orcid.org/0000-0003-3833-0673

autor

Kędzierski Michał

• Łukasiewicz Research Network – Industrial Chemistry Institute, ul. Ludwika Rydygiera 8, 01-793 Warsaw, Poland

• https://orcid.org/0000-0002-5812-6525

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