At present, all chlorosulfonated polyethene (CSM) is commercially produced using carbon tetrachloride (CTC) as process agent, leading to a large amount of CTC emission to the air.
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美
- 目前,氯磺化聚乙烯的生产均采用四氯化碳溶剂法工艺,每年发散大量的四氯化碳。