季铵盐对光固化树脂牙科复合材料力学性能的影响

IF 1.1 4区工程技术 Q4 POLYMER SCIENCE Polimery Pub Date : 2023-04-25 DOI:10.14314/polimery.2023.4.1

Maja Zalega, J. Nowak, K. Bociong

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引用次数: 1

摘要

该复合材料由双gma /UDMA/HEMA/TEGDMA单体混合物组成，形成填充硅化二氧化硅的聚合物基体(45 wt%)，用CTAB或DODAB季铵盐(0.5-2.0 wt%)改性。测试了改性前后复合材料的硬度、抗弯强度和径抗拉强度。盐的种类和用量对复合材料的硬度、抗弯强度和收缩应力有影响，但对复合材料的直径抗拉强度没有影响。

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The influence of quaternary ammonium salts on mechanical properties of light-cured resin dental composites

The composite consisting of a mixture of bis-GMA/UDMA/HEMA/TEGDMA monomers forming a polymer matrix filled with silanized silica (45 wt%) was modified with CTAB or DODAB quaternary ammonium salts (0.5‒2.0 wt%). The hardness, flexural strength and diametrical tensile strength of the composite before and after modification were tested. The type and amount of salt affect the hardness, flexural strength and shrinkage stress, but it does not affect the diametrical tensile strength of the tested composites.

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来源期刊

Polimery Materials Science-Polymers and Plastics

CiteScore

2.90

自引率

6.20%

发文量

审稿时长

1 months

期刊介绍： The "Polimery" journal, of international circulation, is publishing peerreviewed scientific and technical research papers covering polymer science and technology in the field of polymers, rubbers, chemical fibres and paints. The range of topics covered are raw materials, polymer synthesis, processing and applications of polymers. Apart from scientific and technical research papers the monthly includes technical and commercial information such as reports from fairs and exhibitions as well as home, world and technical news. “Polimery "- an international journal covering the following topics: polymers, rubber, chemical fibres and paints. The Journal is addressed to scientists, managers and engineering staff of universities, Polish Academy of Sciences, R&D institutions, industry, specializing in polymer chemistry, physical chemistry, technology and processing. “Polimery” publishes original, reviewed research, scientific and technology papers in the field of polymer synthesis, analysis, technology and modification, processing, properties, applications and recycling.