Effects of fiber surface deposited with silicon dioxide films on properties of fiber-reinforced composites
10.13591/j.cnki.kqyx.2023.03.002
- VernacularTitle:纤维表面沉积二氧化硅薄膜对纤维树脂复合物性能的影响
- Author:
Weijin LYU
1
;
Yueqiu WANG
;
Hong CHEN
;
Fei SHU
;
Qinghong ZHANG
;
Mei LIU
Author Information
1. Department of Prosthodontics, The Affiliated Stomatological Hospital of Nanjing Medical University, Nanjing 210029, China
- Publication Type:Journal Article
- Keywords:
atomic layer deposition;
fiber-reinforced composite;
mechanical property;
quartz fiber;
silicon dioxide
- From:
STOMATOLOGY
2023;43(3):197-203
- CountryChina
- Language:Chinese
-
Abstract:
Objective:To investigate the effects of fiber surface deposited with silicon dioxide films by atomic layer deposition on properties of dental fiber-reinforced composites.
Methods :SiO2 films were deposited on the surface of quartz fiber by atomic layer deposition(ALD). Then the quartz fiber was used to manufacture fiber resin composites, which were divided into four groups: A(no soaking agent removal), B(soaking agent removed), C(soaking agent removed and silanization), and D(soaking agent removed, 600 ALD cycles performed and then silanization). Scanning electron microscopy, water contact angle test, hygroscopicity test, CCK8 test and three-point bending test were used to investigate the properties of fiber resin composites.
Results:The surface morphology of the quartz fiber treated by ALD was smooth and had no obvious change compared with that before treatment. Moreover, the quartz fiber showed hydrophobicity after silanization. The results of three-point bending test revealed that the mechanical properties of fiber-resin composites modified by ALD were significantly improved(P<0.05). When viewed by scanning electron microscopy, a good interfacial bonding could be seen between quartz fibers and the resin matrix in Group D. In addition, it was found that Group D had low absorbability, low solubility and good biocompatibility.
Conclusion:It is shown that deposition of SiO2 films on the quartz fiber by ALD can significantly enhance the mechanical properties of fiber-reinforced composites.
