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双相交联响应基基基基基基基基基基基基基基基基基基基基基基基基基基基基基基基基基基基基基基基基基基基基基基基基基基基基基基基基基基基基基基基基基基基基基基基基基基基基基基基基基基基基基基基基基基基基基基基基基基基基基基基基基基基基基基基

Alexander S Ospennikov1, Andrey V Shibaev1, Olga E Philippova1

  • 1Physics Department, Moscow State University, Moscow 119991, Russia.

International journal of molecular sciences
|December 23, 2023
PubMed
概括

具有双重交叉连接的新生物降解水凝提供了增强的弹性和响应pH的特性. 这些智能材料对控制释放的应用有希望,例如药物输送涂层.

关键词:
交叉连接 交叉连接 交叉连接这是一种水凝.基烯基 guar 是一种基烯基 guar.聚合物网是一种聚合物网络.类风病学 类风病学 类风病学

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科学领域:

  • 材料科学 材料科学 材料科学
  • 聚合物化学 聚合物化学
  • 生物医学工程 生物医学工程

背景情况:

  • 可生物降解的聚合物对于先进的材料应用至关重要.
  • 水凝为受控物质释放提供了多功能平台.
  • 开发响应刺激的材料是智能应用的关键.

研究的目的:

  • 通过光聚合物化合成和表征双重交联基.
  • 为了研究酸杂质交叉链对水凝特性的影响.
  • 为了评估开发的水凝的pH控制释放能力.

主要方法:

  • 甲基化氧 guar (HPG-MA) 和3-烯胺烯酸的光聚合.
  • 形成共价酸和酸的交叉链接.
  • 机械测试以评估弹性和胀行为.
  • 取决于pH值的物质吸收和释放的研究.

主要成果:

  • 双重交联的水凝表现出优越的弹性,相比仅有协同交联的对应物.
  • 可变的酸交叉链增强了水凝的强度,并引入了响应性.
  • 机械性能和胀行为受到pH的显著影响.
  • 证明了一种由pH调节的阴性消毒剂的受控释放.

结论:

  • 基于HPG-MA和酸的双交联水凝提供可调节的机械和响应性能.
  • 这些水凝的pH响应性使得可以控制物质的释放.
  • 这些可光交叉连接,在现场形成的水凝对于智能涂层应用非常有前途.