Judgment on hazardous processes
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There is a polymerization reaction that meets the characteristics of a hazardous process, but the molecular weight of the polymer is very low (1000–2000). Is this reaction considered a hazardous process? I would appreciate it if experienced colleagues could provide an answer. Thank you!
List of the first batch of hazardous chemical processes subject to strict supervision: 1. Phosgene and phosgenation processes; 2. Electrolysis processes (chlor-alkali); 3. Chlorination processes; 4. Nitration processes; 5. Ammonia synthesis processes; 6. Cracking processes; 7. Fluorination processes; 8. Hydrogenation processes; 9. Diazotization processes; 10. Oxidation processes; 11. Peroxidation processes; 12. Amination processes; 13. Sulfonation processes; 14. Polymerization processes; 15. Alkylation processes. Check to see if any of these processes are used by you
What do you combine together? Some reactions require mild conditions, while others demand harsh conditions.
I would like to ask the experts here: I’ve come across a production process in which coatings are made from acrylic resin and styrene monomers; it seems to involve a polycondensation reaction. Is this considered a high-risk process (a hazardous chemical process)? Could you all give me some advice?
You can refer to the relevant provisions of Order No. 591 and Order No. 40; it should be helpful to you. This situation of yours does not seem to fall under the category of major hazard sources
In accordance with Document No. An Jian Zong Guan San [2013] 3, titled \"Notice from the State Administration of Work Safety on Publishing the List of the Second Batch of Hazardous Chemical Processes Subject to Intensive Supervision and Making Adjustments to Some Typical Processes Among the First Batch of Such Processes\", production processes under normal pressure for products such as coatings, adhesives, and paints are no longer classified as \"polymerization processes\".