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Effect of tin fluoride content on the structure and properties of phosphate glass – polyamide 11 hybrids
European Polymer Journal ( IF 6 ) Pub Date : 2018-02-01 , DOI: 10.1016/j.eurpolymj.2017.12.012
Luciana Serio , David T. Gawne , Yuqing Bao

This research investigates tin-fluoride phosphate glasses as liquid-phase fillers in polyamide 11. Optimizing the tin-fluoride content was shown to reduce the glass-transition temperature of the glass down to 106oC and enable both constituents of the composite to be fluid during processing. During extrusion, the phosphate glass was elongated into threads and ultimately broken up into droplets. The interaction parameter between the phosphate and polyamide was found to be - 0.012 due to molecular interactions and enhanced solubility of the ultrafine glass particles. All hybrids showed limited ductility due to the inability of the pinned polymer chains to be drawn into an expanding stable neck. However, there were major increases in both the Young's modulus and flexural modulus owing to the strengthening of molecular bonds by the phosphate-polyamide interactions.

中文翻译:

氟化锡含量对磷酸盐玻璃-聚酰胺11杂化物结构和性能的影响

该研究调查了氟化锡磷酸盐玻璃作为聚酰胺 11 中液相填料的情况。结果表明,优化氟化锡含量可以将玻璃的玻璃化转变温度降低至 106oC,并使复合材料的两种成分在加工过程中都保持流动状态. 在挤压过程中,磷酸盐玻璃被拉长成细丝,最终破碎成液滴。由于超细玻璃颗粒的分子相互作用和增强的溶解度,发现磷酸盐和聚酰胺之间的相互作用参数为-0.012。由于无法将固定聚合物链拉入扩张的稳定颈部,所有杂化物都显示出有限的延展性。然而,Young's 和
更新日期:2018-02-01
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