Smart polymers, also known as responsive or stimuli-responsive polymers, are a class of polymers that can undergo significant changes in their properties or behavior in response to external stimuli. These stimuli can be physical, chemical, or biological in nature and can include factors such as temperature, pH, light, electric or magnetic fields, and chemical substances. The key characteristics of smart polymers include: 1. **Stimuli Responsiveness**: They can change their physical state or chemical properties when exposed to specific external conditions.
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