A kind of environmental protection preservative and preparation method thereof
A kind of preservative, environmental protection technology, applied in the field of environmental protection preservatives and their preparation, can solve the problems of slow effect, limited preservative anticorrosion performance, insufficient broad spectrum, etc., achieve high preparation efficiency, improve antibacterial anticorrosion performance, reaction conditions and Effects with low equipment requirements
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Embodiment 1
[0030] An environmentally friendly preservative, characterized in that it comprises the following components in parts by weight: 3 parts of salicylaldehyde norbornadiene ionized co-modified methoxypoly(ethylene glycol) amine lignosulfonate , 2 parts of diazonium alkyl urea, 1 part of 1-thianthrene boric acid, 0.5 part of 1-ethyl-3-guanidinothiourea hydrochloride, 5 parts of antibacterial Chinese herbal medicine extract, 15 parts of ethanol, 120 parts of deionized water .
[0031] The preparation method of the salicylaldehyde norbornadiene ionized co-modified methoxypoly(ethylene glycol) amine lignosulfonate comprises the following steps:
[0032] Step S1, adding methoxypoly(ethylene glycol) amine, 7-chloronorbornadiene, and 3-chloromethyl-5-nitrosalicylaldehyde into a high-boiling solvent, and stirring the reaction at 70° C. for 8 After 1 hour, the solvent was removed by rotary evaporation to obtain salicylaldehyde norbornadiene ionized co-modified methoxypoly(ethylene glycol...
Embodiment 2
[0041] An environmentally friendly preservative, characterized in that it comprises the following components in parts by weight: 4 parts of salicylaldehyde norbornadiene ionized co-modified methoxypoly(ethylene glycol) amine lignosulfonate , 2.5 parts of diazonium alkyl urea, 1.2 parts of 1-thianthrene boric acid, 0.7 parts of 1-ethyl-3-guanidinothiourea hydrochloride, 6 parts of antibacterial Chinese herbal medicine extract, 17 parts of ethanol, 130 parts of deionized water .
[0042] The preparation method of the salicylaldehyde norbornadiene ionized co-modified methoxypoly(ethylene glycol) amine lignosulfonate comprises the following steps:
[0043] Step S1, adding methoxy poly(ethylene glycol) amine, 7-chloronorbornadiene, 3-chloromethyl-5-nitrosalicylaldehyde to a high boiling point solvent, and stirring the reaction at 73°C for 8.5 After 1 hour, the solvent was removed by rotary evaporation to obtain salicylaldehyde norbornadiene ionized co-modified methoxypoly(ethylene...
Embodiment 3
[0052] An environmentally friendly preservative, characterized in that it comprises the following components in parts by weight: 4.5 parts of salicylaldehyde norbornadiene ionized co-modified methoxypoly(ethylene glycol) amine lignosulfonate , 3 parts of diazonium alkyl urea, 1.5 parts of 1-thianthrene boric acid, 1 part of 1-ethyl-3-guanidinothiourea hydrochloride, 6.5 parts of antibacterial Chinese herbal medicine extract, 20 parts of ethanol, 135 parts of deionized water .
[0053] The preparation method of the salicylaldehyde norbornadiene ionized co-modified methoxypoly(ethylene glycol) amine lignosulfonate comprises the following steps:
[0054] Step S1, adding methoxypoly(ethylene glycol) amine, 7-chloronorbornadiene, 3-chloromethyl-5-nitrosalicylaldehyde to a high boiling point solvent, and stirring the reaction at 75°C for 9 After 1 hour, the solvent was removed by rotary evaporation to obtain salicylaldehyde norbornadiene ionized co-modified methoxypoly(ethylene gly...
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