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。
Polyvinyl chloride is unique among polymers. It has peerless performance attributes, including its light weight, resilience, chemical stability and resistance to degradation, as well as low cost of ...
On Aug. 23, a class action lawsuit was filed alleging that some leading PVC pipe manufacturers exploited supply chain disruptions to fix prices and overcharge their customers for PVC municipal water ...
About D.W. Holding Fence is an image macro series featuring a screenshot from the American children's animated television series Arthur of the character D.W. in a pink swimsuit and sunglasses holding ...
WorldAnimalFoundation.org is reader-supported. When you buy through links on our site, we may earn an affiliate commission. Learn More The “best GPS dog fence” is a term floating all over the internet ...