Abstract
Shape memory polymers (SMPs) are a novel type of smart materials possessing many intriguing properties to recover their original shape, when applying the external stimulus (such as heat, electricity, magnetism, light, moisture, or even pH change). These kind of materials could draw the attention of researchers in academic and industrial fields with tailored properties. In comparison with shape memory alloys (SMAs), SMPs exhibit greater properties in aspects of lower density, higher percentage of recoverable strain, lower processing condition, and much lower cost per weight. In this chapter, the SMPs based on benzoxazine-modified polymer are discussed, including a brief overview of SMPs, types of the SMP materials, parameters for the shape memory characterizations, and the potential applications of these materials. Unique characteristics of polyurethane-based SMPs and epoxy-based SMPs modified with benzoxazine resins are also provided.
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