评估钛、铝和硅氧化物对共聚多酰胺合成及其性能的影响

A. R. Shekaeva, R. R. Spiridonova, A. N. Fedorchuk
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引用次数: 0

摘要

研究了无机添加剂对ε-己内酰胺与ω-十二内酰胺阴离子(共)聚合过程以及合成样品性能的影响。采用氧化铝、二氧化钛和二氧化硅作为无机添加剂。结果表明,在共聚己内酰胺合成阶段加入浓度为 1 摩尔%的添加剂会降低ε-己内酰胺与ω-十二内酰胺阴离子(共)聚合的速率。此外,还研究了所选添加剂对复合物物理机械性能、热性能和操作性能的影响。研究发现,与未经改性的样品相比,在合成阶段使用浓度为 1 mol.% 的无机添加剂有助于提高破坏温度。研究还发现,添加氧化铝、二氧化钛和二氧化硅可提高物理和机械参数以及邵氏硬度,降低吸水性、耐油性和耐汽油性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Evaluation of the titanium, aluminum and silicon oxides effect on the copolyamides synthesis and their properties
The effect of inorganic additives on the ε-caprolactam with ω-dodecalactam anionic (co)polymerization process and on the properties of synthesized samples is investigated. Aluminum oxide, titanium dioxide and silicon dioxide were used as inorganic additives. It is shown that the introduction of additives at a 1 mol.% concentration at the stage of copolycaproamide synthesis contributes to a decrease in the ε-caprolactam with ω-dodecalactam anionic (co)polymerization rate. The influence of the selected additives on the physico-mechanical, thermal and operational properties complex has also been studied. It was found that the use of inorganic additives at a 1 mol.% concentration at the synthesis stage contributes to an increase in destruction temperatures compared to unmodified samples. It was found that the introduction of aluminum oxide, titanium dioxide and silicon dioxide leads to an increase in physical and mechanical parameters and Shore hardness, a decrease in water absorption and oil and gasoline resistance.
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