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首页> 外文期刊>Journal of Applied Polymer Science >Effect of Organic Acids on the Mechanical Properties of Phenolic Resin Composites
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Effect of Organic Acids on the Mechanical Properties of Phenolic Resin Composites

机译：有机酸对酚醛树脂复合材料力学性能的影响

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摘要

The effect of salicyclic acid and its derivatives on the properties of phenolic resin composites was evaluated. The composites were reinforced with aluminum oxide particles in obth solid and hollow forms. Differential scanning calorimetry studies have shown that the reaction rate of phenolic resin was accelerated by salicylic acid, but was not affected by the other compounds. Salicylic acid also reduced the flexural strengths of the phenolic resin composites. The strength was decreased by more than 30% in comparison to that with no acid added. In contrast, two derivatives of this acid-sodium salicylate and 4-hydroxybenzoic acid-have minimal impact on the flexural strengths of the composites.
机译：评估了水杨酸及其衍生物对酚醛树脂复合材料性能的影响。复合材料以实心和空心形式的氧化铝颗粒增强。差示扫描量热法研究表明，水杨酸可加快酚醛树脂的反应速度，但不受其他化合物的影响。水杨酸还降低了酚醛树脂复合材料的抗弯强度。与不添加酸的强度相比，强度降低了30％以上。相反，该酸的水杨酸钠和4-羟基苯甲酸的两种衍生物对复合材料的弯曲强度影响最小。

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