Cellulose nanocrystals into Poly(ethyl methacrylate) used for dental application

被引:2
作者
Leite, Andressa [1 ]
Viotto, Hamille [1 ]
Nunes, Thais [1 ]
Pasquini, Daniel [2 ]
Pero, Ana [1 ]
机构
[1] Univ Estadual Paulista Julio de Mesquita Filho UN, Fac Odontol Araraguara, Dept Mat Odontol & Protese, Lab Protese, Sao Paulo, SP, Brazil
[2] Univ Fed Uberlandia UFU, Inst Quim, Lab Reciclagem Polimeros, Campus Santa Monica, Uberlandia, MG, Brazil
来源
POLIMEROS-CIENCIA E TECNOLOGIA | 2022年 / 32卷 / 01期
基金
巴西圣保罗研究基金会;
关键词
reline; acrylic resin; physical properties; nanocrystal cellulose; SURFACE FREE-ENERGY; DENTURE-BASE MATERIALS; FLEXURAL STRENGTH; RELINE MATERIALS; MICROWAVE IRRADIATION; RESIDUAL MONOMER; RESIN; POLYMERIZATION; MICROHARDNESS; REINFORCEMENT;
D O I
10.1590/0104-1428.20210066
中图分类号
O63 [高分子化学(高聚物)];
学科分类号
070305 ; 080501 ; 081704 ;
摘要
Cellulose nanocrystals (CNCs) can improve the mechanical properties of dental resins. However, there is a deficiency of information about the behavior of physical properties of resins after this addition. The purpose was to evaluate the characterization and physical properties of hard chairside reline material modified with CNCs (0.25%, 0.5%, 0.75% or, 1.0%). Addition of CNCs at 0.5%, 0.75% and 1% increased Vickers hardness; 0.75% decrease surface free energy; 0.75% and 1% showed similar to control on the surface roughness. The simple and straightforward approach of adding CNCs, a renewable material, provides good potential for its future practical application as it has shown promise with increasing hardness. It means that the incorporation of CNCs into this denture reline resin could improve the abrasion resistance of this material, which is desirable in the long term.
引用
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页数:7
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