Polymerization inhibitor for preventing self-polymerization or co-polymerization of C5 diolefins
A technology of polymerization inhibitor and diolefin, which is applied in the field of self-polymerization or copolymerization inhibitor, can solve the problem that the polymerization inhibitor is not very suitable, and achieve the effect of good polymerization inhibition effect.
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[0011] 1. Preparation of polymerization inhibitor
[0012] The required amount of component A diethylhydroxylamine and component B tert-butylcatechol are dissolved in a solvent to prepare a polymerization inhibitor for future use, and the total content of component A and component B is controlled to be 30-40 wt%. The specific solvents used in each embodiment, and the weight ratio of component A to component B are listed in Table 2.
[0013] 2. Sealing test of polymerization inhibitor
[0014] In a 500ml plastic bottle, a 450ml carbon five fraction sample is loaded, and the sample components are shown in Table 1. Then the polymerization inhibitor prepared by each of the above-mentioned embodiments is added in the plastic bottle according to the required amount. Place a rusty iron nail in a 30ml glass seal tube, then take out 15ml carbon five sample from the plastic bottle and inject it into the glass seal tube and then seal it. Place the sealed tube in a constant temperature...
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