Schematic representation of strain‐promoted azide‐alkyne cycloaddition (SPAAC) chemistry as a polymerization method to easily assemble functional monomers into high‐molecular weight chains. Alex Adronov and colleagues on page 28 show that this chemistry is demonstrated with a variety of monomers, including silicone‐functionalized macromonomers and spiropyran‐functionalized structures that undergo photochemical switching behavior. (DOI: 10.1002/pol.20200573)

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封面图片，第59卷，第1期

应变促进的叠氮化物-炔烃环加成（SPAAC）化学作为一种聚合方法的示意图，该聚合方法可以轻松地将功能单体组装到高分子量链中。Alex Adronov及其同事在第28页上显示，这种化学作用已通过多种单体得到证明，包括经历光化学转换行为的有机硅官能化的大分子单体和螺吡喃官能化的结构。（DOI：10.1002 / pol.20200573）