Effect of fiber content on flexural properties of glass fiber-reinforced polyamide-6 prepared by injection molding

被引：7
作者：
Nagakura, Manamu [1 ]
Tanimoto, Yasuhiro [1 ]
Nishiyama, Norihiro [1 ]
机构：
[1] Nihon Univ, Dept Dent Biomat, Sch Dent Matsudo, 2-870-1 Sakae Cho Nishi, Matsudo, Chiba 2718587, Japan
来源：
DENTAL MATERIALS JOURNAL | 2017年 / 36卷 / 04期
关键词：
Non-metal clasp dentures; Glass fiber-reinforced thermoplastics; Flexural properties; Fiber content; NONMETAL CLASP DENTURES; REMOVABLE PARTIAL DENTURES; THERMOPLASTIC DENTURE; MECHANICAL-PROPERTIES; BASE RESINS; CLINICAL-APPLICATION; ACRYLIC RESIN; FORCES; PMMA;
D O I：
10.4012/dmj.2016-252
中图分类号：
R78 [口腔科学];
学科分类号：
1003 ;
摘要：
The use of non-metal clasp denture (NMCD) materials may seriously affect the remaining tissues because of the low rigidity of NMCD materials such as polyamides. The purpose of this study was to develop a high -rigidity glass fiber -reinforced thermoplastic (GFRTP) composed of E -glass fiber and polyamide-6 for NMCDs using an injection molding. The reinforcing effects of fiber on the flexural properties of GFRTPs were investigated using glass fiber content ranging from 0 to 50 mass%. Three-point bending tests indicated that the flexural strength and elastic modulus of a GFRTP with a fiber content of 50 mass% were 5.4 and 4.7 times higher than those of unreinforced polyamide-6, respectively. The result showed that the physical characteristics of GFRTPs were greatly improved by increasing the fiber content, and the beneficial effects of fiber reinforcement were evident. The findings suggest that the injection molded GFRTPs are adaptable to NMCDs because of their excellent mechanical properties.
引用
收藏
页码：415 / 421
页数：7
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