Preparation method of polyvinylamine-diene propenyl dimethyl ammonium chloride
The present invention provides a preparation method of polyvinylamine-diene propenyl dimethyl ammonium chloride. N-vinyl formamide and diallyl dimethyl ammonium chloride are added to the solvent and nitrogen is introduced to carry out stirring and refluxing at 50-70 DEG C; then an initiator is slowl...
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Zusammenfassung: | The present invention provides a preparation method of polyvinylamine-diene propenyl dimethyl ammonium chloride. N-vinyl formamide and diallyl dimethyl ammonium chloride are added to the solvent and nitrogen is introduced to carry out stirring and refluxing at 50-70 DEG C; then an initiator is slowly dropwise added to react; the reaction product is dried to obtain poly N-vinyl formamide diallyl dimethyl ammonium chloride product; the poly N-vinyl formamide diallyl dimethyl ammonium chloride product is mixed with a solvent and subjected to stirring and refluxing at 50-70 DEG C, nitrogen is introduced and sodium hydroxide solution is dropwise added and reacts to obtain that polyvinylamine-diene propenyl dimethyl ammonium chloride. The method for preparing polyvinylamine-diene propenyl dimethyl ammonium chloride has the advantages of easy control of process reaction, high purity, high positive charge density and controllable molecular weight, and can be used as an excellent reinforcing agent for paper.
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