Relationship between the volume phase transition and the surface area of poly (N-isopropylacrylamide) and poly (N-isopropylacrylamide-co-sodium methacrylate) hydrogels

Han YA.; Choi JH.; Park DJ.; Ji BC.

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Relationship between the volume phase transition and the surface area of poly (N-isopropylacrylamide) and poly (N-isopropylacrylamide-co-sodium methacrylate) hydrogels

机译：聚（N-异丙基丙烯酰胺）和聚（N-异丙基丙烯酰胺-甲基丙烯酸钠共聚物）水凝胶的体积相变与表面积之间的关系

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The volume phase transition of poly (N-isopropylacrylamide) (PNIPAAm) and poly (N-isopropylacrytamide-co-sodium methacrylate) (P(NIPAAm-co-SMA)) hydrogels was investigated with consideration of the pore characteristics. The volume phase transition temperature of the hydrogel increased by incorporating sodium methacrylate (SMA). Based on the BET equation, the surface area was evaluated by a gas adsorption method. The surface area of PNIPAAm and P(NIPAAm-co-SMA) hydrogels decreased with increasing temperature, resulting from the fact that the depth and the size of pores decreased significantly in the course of the volume phase transition. Hence, it is suggested that the change of surface area has a close relationship with the volume phase transition of PNIPAAm and P(NIPAAm-co-SMA) hydrogels. (C) 2002 Elsevier Science Ltd. All rights reserved. [References: 14]

机译：考虑到孔的特性，研究了聚（N-异丙基丙烯酰胺）（PNIPAAm）和聚（N-异丙基丙烯酰胺-共-甲基丙烯酸钠）（P（NIPAAm-co-SMA））水凝胶的体积相变。通过加入甲基丙烯酸钠（SMA），水凝胶的体积相变温度升高。基于BET方程，通过气体吸附法评价表面积。 PNIPAAm和P（NIPAAm-co-SMA）水凝胶的表面积随温度升高而降低，这是由于孔的深度和尺寸在体积相变过程中显着降低这一事实所致。因此，建议表面积的变化与PNIPAAm和P（NIPAAm-co-SMA）水凝胶的体积相变有着密切的关系。（C）2002 Elsevier ScienceLtd。保留所有权利。 [参考：14]

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《Polymer Testing》 |2002年第8期|共5页
作者
Han YA.; Choi JH.; Park DJ.; Ji BC.;
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正文语种 eng
中图分类高分子化学（高聚物）;
关键词
Volume phase transition; Pnipaam; P(nipaam-co-sma); Hydrogel; Surface area; Temperature; Gels; Ph;

机译：体积相变;Pnipaam;P（nipaam-co-sma）;水凝胶;表面面积;温度;凝胶;Ph;

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1. Relationship between the volume phase transition and the surface area of poly (N-isopropylacrylamide) and poly (N-isopropylacrylamide-co-sodium methacrylate) hydrogels [J] . Han YA., Choi JH., Park DJ., Polymer Testing . 2002,第8期

机译：聚（N-异丙基丙烯酰胺）和聚（N-异丙基丙烯酰胺-甲基丙烯酸钠共聚物）水凝胶的体积相变与表面积之间的关系
2. Effects of internal microstructures of poly(N-isopropylacrylamide) hydrogels on thermo-responsive volume phase-transition and controlled-release characteristics [J] . Ju XJ, Chu LY, Zhu XL, Smart Materials & Structures . 2006,第6期

机译：聚（N-异丙基丙烯酰胺）水凝胶内部微观结构对热响应体积相变和控释特性的影响
3. Network parameters and volume phase transition behavior of poly(N-isopropylacrylamide) hydrogels [J] . Caykara T, Kiper S, Demirel G Journal of Applied Polymer Science . 2006,第3期

机译：聚（N-异丙基丙烯酰胺）水凝胶的网络参数和体积相变行为
4. Bicontinuous Cubic Nanostructure Generates Rapid and Dramatic Volume Transition for Poly(N-isopropylacrylamide) Hydrogels [C] . Bradley S. Forney, C. Allan Guymon PMSE Symposia . 2012

机译：双连续立方纳米结构为聚（N-异丙基丙烯酰胺）水凝胶产生快速触发的体积转变
5. Volume phase transitions in surface-tethered, photo-cross-linked poly(N-isopropylacrylamide) networks. [D] . Vidyasagar, Ajay Kumar. 2010

机译：表面束缚的，光交联的聚（N-异丙基丙烯酰胺）网络中的体积相变。
6. The Scissors Effect in Action: The Fox-Flory Relationship between the Glass Transition Temperature of Crosslinked Poly(Methyl Methacrylate) and Mc in Nanophase Separated Poly(Methyl Methacrylate)- [O] . Szabolcs Pásztor, Bálint Becsei, Györgyi Szarka, 2020

机译：剪刀在作用中的作用：交联聚（甲基丙烯酸甲酯）和MC中的玻璃化转变温度与纳米分离聚（甲基丙烯酸甲酯）的偏移关系 -
7. The influence of selected NSAIDs on volume phase transition in poly(2-(2-methoxyethoxy)ethyl methacrylate) hydrogels [O] . Olejniczak, M., Piechocki, K., Kozanecki, M., 2016

机译：选择的NsaIDs对聚（2-（2-甲氧基乙氧基）乙基甲基丙烯酸酯）水凝胶体积相变的影响
8. Phase Dominance, Multiple Glass Transitions, and Apparent Activation Energies inSome Poly(Styrene-Co-Alkali Methacrylate) Ionomers [R] . Hird, B., Eisenberg, A. 1990

机译：一些聚（苯乙烯 - 共 - 碱甲基丙烯酸酯）离聚物的相位优势，多重玻璃化转变和表观活化能

Relationship between the volume phase transition and the surface area of poly (N-isopropylacrylamide) and poly (N-isopropylacrylamide-co-sodium methacrylate) hydrogels

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