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Thermal behavior of aminotrimethoxysilanphosphonate functionalized onto styrene-divinylbenzene copolymer
International Journal of Polymer Analysis and Characterization ( IF 1.7 ) Pub Date : 2020-08-17
Adriana Popa, Lavinia Macarie, Ecaterina S. Dragan, Viorica Parvulescu, Gheorghe Ilia, Nicoleta Plesu

The chlorometylated styrene–divinylbenzene copolymer with different percent of divinylbenzene (code: S-6.7 DVB, S-12DVB, and S-15DVB) was functionalized with 3-hydroxybenzaldehyde for obtaining intermediated polymers. The aminotrimethoxysilanphosphonate groups were grafted by one-pot reactions in tetrahydrofuran using three components: polymers grafted with aldehyde groups (code: CHO-6.7, CHO-12, and CHO-15), 3-aminopropyltrimethoxysilane, diethylphosphite. The aminotrimethoxysilanphosphonate groups functionalized onto styrene-(6.7, 12, and 15%) divinylbenzene copolymer (code: PAF-6.7, PAF-12, and PAF-15) and evolution of the reaction were evidenced by FT-IR spectroscopy and porous structure by N2 adsorption-desorption, SEM microscopy. The thermal behavior of aldehydes and materials: PAF-6.7, PAF-12, and PAF-15 are different than initial polymer supports.



中文翻译:

氨基三甲氧基硅烷膦酸酯官能化到苯乙烯-二乙烯基苯共聚物上的热行为

将具有不同百分比的二乙烯基苯的氯甲基化的苯乙烯-二乙烯基苯共聚物(代码:S-6.7 DVB,S-12DVB和S-15DVB)用3-羟基苯甲醛官能化以获得中间体聚合物。使用三组分在四氢呋喃中通过一锅反应接枝氨基三甲氧基硅烷基膦酸酯基团:接枝有醛基的聚合物(代号:CHO-6.7,CHO-12和CHO-15),3-氨基丙基三甲氧基硅烷,亚磷酸二乙酯。FT-IR光谱证实了氨基三甲氧基硅烷膦酸酯基团在苯乙烯-(6.7%,12%和15%)二乙烯基苯共聚物(代码:PAF-6.7,PAF-12和PAF-15)上官能化以及反应的进展。 N 2吸附-解吸,SEM显微镜。醛和材料的热行为:PAF-6.7,PAF-12和PAF-15与初始聚合物载体不同。

更新日期:2020-08-17
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