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首页> 外文期刊>Journal of Materials Research >Preparation and structure of organic-inorganic hybrid low-melting phosphite glasses from phosphonic acid H_3PO_3
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Preparation and structure of organic-inorganic hybrid low-melting phosphite glasses from phosphonic acid H_3PO_3

机译：由膦酸H_3PO_3制备有机-无机杂化低熔点亚磷酸酯玻璃的结构

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摘要

An organic-inorganic, hybrid, low-melting glass free of pollution elements such as Pb and F was prepared through nonaqueous acid-base reactions of Si―Cl + P-OH→ Si―O―P + HCl↑ and Sn―Cl + P-OH → Sn―O―P + HCl↑ using phosphonic acid (H_3PO_3), dimethyldichlorosilane (Me_2SiCl_2), and tin(Ⅱ) chloride (SnCl_2) as starting materials. Transparent, colorless, and homogeneous phosphite glass was successfully obtained. The formation of P―O―Si linkage and the disappearance of P―OH were confirmed by ~(31)P nuclear magnetic resonance spectra. With increasing Si content, the glass-transition temperature decreased, reflecting the decrease of the average linkage number per one cation.
机译：通过Si-Cl + P-OH→Si-O-P + HCl↑和Sn-Cl +的非水酸碱反应制备了不含Pb和F等污染元素的有机-无机杂化低熔点玻璃。以膦酸（H_3PO_3），二甲基二氯硅烷（Me_2SiCl_2）和氯化锡（Ⅱ）（SnCl_2）为原料，制取P-OH→Sn-O-P + HCl↑。成功获得了透明，无色和均质的亚磷酸盐玻璃。通过〜（31）P核磁共振谱证实了P-O-Si键的形成和P-OH的消失。随着Si含量的增加，玻璃化转变温度降低，反映出每一种阳离子的平均键数降低。

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