聚氯乙烯，英文简称PVC，是氯乙烯单体在过氧化物、偶氮化合物等引发剂；或在光、热作用下按自由基聚合反应机理聚合而成的聚合物。氯乙烯均聚物和氯乙烯共聚物统称之为氯乙烯树脂。

Each lesson in the playlist has it's own branch in this repository. To see the code for that lesson, choose the appropriate branch. E.g. to see the code for lesson 15, checkout the lesson-15 branch.

The commodity pricing service named in an August 2024 lawsuit as the platform PVC pipe makers used to conspire to overcharge pipe buyers has denied wrongdoing, agreed to settle and said it would ...