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Preparation of Ionic Silsesquioxanes with Regular Structures and Their Hybridization
المؤلفون المشاركون
Toyodome, Hisaya
Iyi, Nobuo
Shoiriki, Miki
Kaneko, Yoshiro
المصدر
International Journal of Polymer Science
العدد
المجلد 2012، العدد 2012 (31 ديسمبر/كانون الأول 2012)، ص ص. 1-14، 14ص.
الناشر
Hindawi Publishing Corporation
تاريخ النشر
2012-12-04
دولة النشر
مصر
عدد الصفحات
14
التخصصات الرئيسية
الملخص EN
This paper deals with our recent studies on the preparation of ionic silsesquioxanes (SQs) with regular structures.
Cationic ladder-like polySQs (PSQs) with hexagonally stacked structures were successfully prepared by the sol-gel reactions of amino group-containing organotrialkoxysilanes in strong acid aqueous solutions.
Self-organization of an ion pair (a salt) prepared from the amino group in the organotrialkoxysilane and an acid is the key factor for the formation of such regular structures of the PSQs.
It is also reported that the control of the conformational structure of the PSQs was performed by the introduction of the chiral moieties.
In addition, we investigated the correlation between the pKas of acid-catalysts and the structures of SQs prepared by the hydrolytic condensation of amino group-containing organotrialkoxysilane, that is, the use of the superacid aqueous solution resulted in the formation of cage-like octaSQ, while the ladder-like PSQs with hexagonally stacked structures were formed from the strong acid aqueous solutions under the same reaction conditions.
Furthermore, anion-exchange behaviors of the cationic ladder-like PSQ were investigated with various organic and inorganic compounds, such as anionic surfactants, a polymer, and layered clay minerals, to obtain the functional hybrid materials.
نمط استشهاد جمعية علماء النفس الأمريكية (APA)
Kaneko, Yoshiro& Toyodome, Hisaya& Shoiriki, Miki& Iyi, Nobuo. 2012. Preparation of Ionic Silsesquioxanes with Regular Structures and Their Hybridization. International Journal of Polymer Science،Vol. 2012, no. 2012, pp.1-14.
https://search.emarefa.net/detail/BIM-490335
نمط استشهاد الجمعية الأمريكية للغات الحديثة (MLA)
Kaneko, Yoshiro…[et al.]. Preparation of Ionic Silsesquioxanes with Regular Structures and Their Hybridization. International Journal of Polymer Science No. 2012 (2012), pp.1-14.
https://search.emarefa.net/detail/BIM-490335
نمط استشهاد الجمعية الطبية الأمريكية (AMA)
Kaneko, Yoshiro& Toyodome, Hisaya& Shoiriki, Miki& Iyi, Nobuo. Preparation of Ionic Silsesquioxanes with Regular Structures and Their Hybridization. International Journal of Polymer Science. 2012. Vol. 2012, no. 2012, pp.1-14.
https://search.emarefa.net/detail/BIM-490335
نوع البيانات
مقالات
لغة النص
الإنجليزية
الملاحظات
Includes bibliographical references
رقم السجل
BIM-490335
قاعدة معامل التأثير والاستشهادات المرجعية العربي "ارسيف Arcif"
أضخم قاعدة بيانات عربية للاستشهادات المرجعية للمجلات العلمية المحكمة الصادرة في العالم العربي
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