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注册时间2025-10-27最后登录2025-10-27阅读权限10积分5精华0帖子1
 
 
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| Crystalline trans-polyisoprene is an example of a form-memory polymer. SMPs can retain two or sometimes three shapes, and the transition between those is often induced by temperature change. Like polymers generally, SMPs cowl a wide range of properties from stable to biodegradable, from soft to onerous, and from elastic to inflexible, depending on the structural units that constitute the SMP. SMPs embody thermoplastic and thermoset (covalently cross-linked) polymeric materials. SMPs are recognized to be able to retailer up to 3 totally different shapes in memory. Two essential portions which are used to describe form-Memory Wave Routine results are the pressure restoration rate (Rr) and strain fixity fee (Rf). The pressure recovery price describes the power of the material to memorize its everlasting shape, whereas the strain fixity price describes the ability of switching segments to repair the mechanical deformation. While most conventional form-memory polymers can only hold a permanent and short-term form, current technological advances have allowed the introduction of triple-form-memory materials. | 
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