Home

Citation: YU Juan-Li;LIU Shou-Xin;FANG Yu;GAO Gai-Ling;WANG Ming-Zhen. The Phase Behaviors of Temperature- and pH-sensitive Poly(methacrylic acid-g-N, N-diethylacrylamide) Dilute Aqueous Solutions[J]. Acta Physico-Chimica Sinica, ;2006, 22(05): 579-583. doi: 10.3866/PKU.WHXB20060513 shu

The Phase Behaviors of Temperature- and pH-sensitive Poly(methacrylic acid-g-N, N-diethylacrylamide) Dilute Aqueous Solutions

YU Juan-Li;LIU Shou-Xin;FANG Yu;GAO Gai-Ling;WANG Ming-Zhen

1.
School of Chemistry and Materials Science, Shaanxi Normal University, Xi'an 710062, P. R. China

Received Date: 24 October 2005
Available Online: 28 April 2006

Several temperature-and pH-sensitive poly(methacrylic acid-g-N, N-diethylacrylamide) (P(MAA-g-DEAM))graft copolymerswith different compositionswere synthesized by free-radical copolymerization utilizing macromonomer technique. The phase behaviors of P(MAA-g-DEAM) in dilute aqueous solutions were investigated by UV-Vis transmittance measurements and fluorescence probe technique. Studies demonstrated that the P (MAA-g-DEAM)copolymers had temperature-and pH-sensitivities, the two sensitivities were independent each other. These graft copolymers with different compositions had the approximately identical lower critical solution temperature (LCST), their critical phase transition pH values were dependent on the composition of graft copolymers and increased with increasing mass fraction of PDEAM. The PMAA main chain of P(MAA-g-DEAM) in dilute aqueous solution is an expanded coil conformation when the solution pH is higher than 5.5, and the PMAA main chain of P(MAA-g-DEAM) in dilute aqueous solution is a hyper-coiled conformation when the solution pH is less than 5.5. The unique properties of the graft copolymers may find some uses in the design and synthesis of novel nanocomposite materials.
- Temperature-and pH-sensitivity;Graft copolymer;Phase behavior; Critical phase-transition pH;Lower critical solution temperature
1. [1]
  Hongling Yuan , Jialin Xie , Jiawei Wang , Jixiang Zhao , Jiayan Liu , Qing Feng , Wei Qi , Min Liu . Cyclic Olefin Copolymer (COC): The Agile Vanguard in the Realm of Materials. University Chemistry, 2024, 39(7): 294-298. doi: 10.12461/PKU.DXHX202311041
2. [2]
  Zunxiang Zeng , Yuling Hu , Yufei Hu , Hua Xiao . Analysis of Plant Essential Oils by Supercritical CO₂Extraction with Gas Chromatography-Mass Spectrometry: An Instrumental Analysis Comprehensive Experiment Teaching Reform. University Chemistry, 2024, 39(3): 274-282. doi: 10.3866/PKU.DXHX202309069
3. [3]
  Tongyu Zheng , Teng Li , Xiaoyu Han , Yupei Chai , Kexin Zhao , Quan Liu , Xiaohui Ji . A DIY pH Detection Agent Using Persimmon Extract for Acid-Base Discoloration Popularization Experiment. University Chemistry, 2024, 39(5): 27-36. doi: 10.3866/PKU.DXHX202309107
4. [4]
  Mingxin LU , Liyang ZHOU , Xiaoyu XU , Xiaoying FENG , Hui WANG , Bin YAN , Jie XU , Chao CHEN , Hui MEI , Feng GAO . Preparation of La-doped lead-based piezoelectric ceramics with both high electrical strain and Curie temperature. Chinese Journal of Inorganic Chemistry, 2025, 41(2): 329-338. doi: 10.11862/CJIC.20240206
5. [5]
  Yanhui Zhong , Ran Wang , Zian Lin . Analysis of Halogenated Quinone Compounds in Environmental Water by Dispersive Solid-Phase Extraction with Liquid Chromatography-Triple Quadrupole Mass Spectrometry. University Chemistry, 2024, 39(11): 296-303. doi: 10.12461/PKU.DXHX202402017
6. [6]
  Mingyang Men , Jinghua Wu , Gaozhan Liu , Jing Zhang , Nini Zhang , Xiayin Yao . 液相法制备硫化物固体电解质及其在全固态锂电池中的应用. Acta Physico-Chimica Sinica, 2025, 41(1): 2309019-. doi: 10.3866/PKU.WHXB202309019
7. [7]
  Gaoyan Chen , Chaoyue Wang , Juanjuan Gao , Junke Wang , Yingxiao Zong , Kin Shing Chan . Heart to Heart: Exploring Cardiac CT. University Chemistry, 2024, 39(9): 146-150. doi: 10.12461/PKU.DXHX202402011
8. [8]
  Qiaoqiao BAI , Anqi ZHOU , Xiaowei LI , Tang LIU , Song LIU . Construction of pressure-temperature dual-functional flexible sensors and applications in biomedicine. Chinese Journal of Inorganic Chemistry, 2024, 40(12): 2259-2274. doi: 10.11862/CJIC.20240128
9. [9]
  Zizheng LU , Wanyi SU , Qin SHI , Honghui PAN , Chuanqi ZHAO , Chengfeng HUANG , Jinguo PENG . Surface state behavior of W doped BiVO₄ photoanode for ciprofloxacin degradation. Chinese Journal of Inorganic Chemistry, 2024, 40(3): 591-600. doi: 10.11862/CJIC.20230225
10. [10]
  Fang Niu , Rong Li , Qiaolan Zhang . Analysis of Gas-Solid Adsorption Behavior in Resistive Gas Sensing Process. University Chemistry, 2024, 39(8): 142-148. doi: 10.3866/PKU.DXHX202311102
11. [11]
  Yonghui Wang , Weilin Chen , Yangguang Li . Knowledge Construction of “Solubility of Inorganic Substances” in Elemental Chemistry Teaching. University Chemistry, 2024, 39(4): 261-267. doi: 10.3866/PKU.DXHX202312102
12. [12]
  Di ZHANG , Tianxiang XIE , Xu HE , Wanyu WEI , Qi FAN , Jie QIAO , Gang JIN , Ningbo LI . Construction and antitumor activity of pH/GSH dual-responsive magnetic nanodrug. Chinese Journal of Inorganic Chemistry, 2025, 41(4): 786-796. doi: 10.11862/CJIC.20240329
13. [13]
  Xiaowu Zhang , Pai Liu , Qishen Huang , Shufeng Pang , Zhiming Gao , Yunhong Zhang . Acid-Base Dissociation Equilibrium in Multiphase System: Effect of Gas. University Chemistry, 2024, 39(4): 387-394. doi: 10.3866/PKU.DXHX202310021
14. [14]
  Hong Zheng , Xin Peng , Chunwang Yi . The Tale of Caprolactam Cyclic Oligomers: The Ever-changing Life of “Princess Cyclo”. University Chemistry, 2024, 39(9): 40-47. doi: 10.12461/PKU.DXHX202403058
15. [15]
  Jianye Kang , Xinyu Yang , Xuhao Yang , Jiahui Sun , Yuhang Liu , Shutao Wang , Wenlong Song . Carbon dots-enhanced pH-responsive lubricating hydrogel based on reversible dynamic covalent bondings. Chinese Chemical Letters, 2024, 35(5): 109297-. doi: 10.1016/j.cclet.2023.109297
16. [16]
  Shuang Li , Jiayu Sun , Guocheng Liu , Shuo Zhang , Zhong Zhang , Xiuli Wang . A new Keggin-type polyoxometallate-based bifunctional catalyst for trace detection and pH-universal photodegradation of phenol. Chinese Chemical Letters, 2024, 35(8): 109148-. doi: 10.1016/j.cclet.2023.109148
17. [17]
  Rui Wang , He Qi , Haijiao Zheng , Qiong Jia . Light/pH dual-responsive magnetic metal-organic frameworks composites for phosphorylated peptide enrichment. Chinese Chemical Letters, 2024, 35(7): 109215-. doi: 10.1016/j.cclet.2023.109215
18. [18]
  Yan Liu , Yang Wang , Jiayi Zhu , Xuxian Su , Xudong Lin , Liang Xu , Xiwen Xing . Employing pH-responsive RNA triplex to control CRISPR/Cas9-mediated gene manipulation in mammalian cells. Chinese Chemical Letters, 2024, 35(9): 109427-. doi: 10.1016/j.cclet.2023.109427
19. [19]
  Jiaxu Wang , Jinxie Zhang , Xiuping Wang , Jingying Wang , Lina Chen , Jiahui Cao , Wei Cao , Siyu Liang , Ping Luan , Ke Zheng , Xiao-Kun Ouyang , Li Gao , Xiaowen Ou , Fan Zhang , Meitong Ou , Lin Mei . CaCO₃-coated hollow mesoporous silica nanoparticles for pH-responsive fungicides release. Chinese Chemical Letters, 2024, 35(12): 109697-. doi: 10.1016/j.cclet.2024.109697
20. [20]
  Yuwen Zhu , Xiang Deng , Yan Wu , Baode Shen , Lingyu Hang , Yuye Xue , Hailong Yuan . Formation mechanism of herpetrione self-assembled nanoparticles based on pH-driven method. Chinese Chemical Letters, 2025, 36(1): 109733-. doi: 10.1016/j.cclet.2024.109733

Get Citation

PDF

XML

Metrics

PDF Downloads(3468)
Abstract views(4599)
HTML views(61)

通讯作者: 陈斌, bchen63@163.com

1.
沈阳化工大学材料科学与工程学院沈阳 110142

Address：Zhongguancun North First Street 2,100190 Beijing, PR China Tel: +86-010-82449177-888

DownLoad: Full-Size Img PowerPoint

Return