Çeşitli reaktif seyrelticilerin DLP/LCD tipi 3D baskı ile üretilen akrilat bazlı polimerlerin mekanik özelliklerine etkisi

Year 2024, Volume: 4 Issue: 2, 439 - 447, 31.07.2024

Emre Akın , Mustafa Çakır

https://doi.org/10.61112/jiens.1482566

Abstract

3D baskı ile elde edilen ürünlerin mekanik özellikleri büyük ölçüde ana reçinelerin ve reaktif seyrelticilerin seçimine bağlıdır. Bu çalışmada, DLP/LCD tipi 3D baskı kullanılarak polyester akrilat (PEA), üretan akrilat (UA) ve silikon akrilat (SiA) reçinelerinden türetilen ürünlerin mekanik özelliklerine farklı reaktif seyrelticilerin etkisini araştırdık. Reaktif seyrelticiler olarak ana reçinelerde 1,6-Heksandiol Diakrilat (HDDA), di(propilen glikol) diakrilat (DPGDA), trimetilolpropan triakrilat (TMPTA) ve TMPTA10 kullanıldı. TMPTA10 bileşiminde TMPTA, DPGDA ve HDDA'nın yer alması ile hazırlanmıştır. TMPTA üç fonksiyonlu akrilat gruba sahip reaktif bir seyreltici iken, DPGDA ve HDDA iki fonksiyonlu akrilat gruba sahiptir. Sonuçlar, TMPTA reaktif seyreltici içeren ürünlerin maksimum çekme dayanımı (UTS) ve Young modülünün önemli ölçüde arttığını, Izod darbe dayanımının azaldığını ortaya koydu. Bu sorunu çözmek için TMPTA10 formüle edildi ve ana reçinelere dahil edildi; bu, UTS ve Young modülünü korurken veya geliştirirken Izod darbe dayanımının artışını sağladı. Özellikle TMPTA veya TMPTA10'lu UA reçinesi ve TMPTA10'lu PEA reçinesi kullanılarak hazırlanan ürünler, diğer ürünlere kıyasla önemli seviyede gelişmiş mekanik özellikler sergiledi. Bu bulgular, DLP/LCD tipi 3D Baskı ile elde edilen ürünlerin mekanik performansının optimize edilmesinde reaktif seyreltici seçiminin önemini vurgulamaktadır.

Keywords

DLP/LCD- tip 3B yazıcı, Reaktif seyrelticiler, Trimetilpropan triakrilat (TMPTA), 1,6-Hexanediol Diacrylate (HDDA), Di(propilen glikol) diakrilat (DPGDA)

Effect of various reactive diluents on the mechanical properties of the acrylate-based polymers produced by DLP/LCD-type 3D printing

Abstract

The mechanical properties of the products obtained by 3D printing heavily depend on the choice of main resins and reactive diluents. In this study, we investigated the influence of different reactive diluents on the mechanical properties of the products derived from polyester acrylate (PEA), urethane acrylate (UA), and silicone acrylate (SiA) resins using DLP/LCD type 3D printing. As reactive diluents, 1,6-Hexanediol Diacrylate (HDDA), di(propylene glycol) diacrylate (DPGDA), trimethylolpropane triacrylate (TMPTA), and TMPTA10 were used in main resins. TMPTA10 was prepared in this study, which includes TMPTA, DPGDA and HDDA in its composition. While TMPTA is a reactive diluent with three acrylate functional groups, DPGDA and HDDA have two acrylate functional groups. Our results revealed that while the products with TMPTA reactive diluent significantly enhanced the ultimate tensile strength (UTS) and Young's modulus, they led to a decrease in Izod impact strength. To address this, TMPTA10 was formulated and incorporated into the main resins, resulting in improved Izod impact strength while maintaining or enhancing UTS and Young's modulus. Notably, the products prepared by using UA resin with TMPTA or TMPTA10, and PEA resin with TMPTA10 exhibited exceptional mechanical properties compared to the other products. These findings highlight the importance of reactive diluent selection in optimizing the mechanical performance of the products obtained by DLP/LCD type 3D Printing.

Keywords

DLP/LCD- type 3D printer, Reactive diluents, Trimethylolpropane triacrylate (TMPTA), 1, 6-Hexanediol Diacrylate (HDDA), Di(propylene glycol) diacrylate (DPGDA)

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