| Title: | Method for preparation of ammonium methyl N.N.N-trimethyl-N abietylsulfate | ||
| Application Number: | 97111998 | Application Date: | 1997.07.11 |
| Publication Number: | 1180072 | Publication Date: | 1998.04.29 |
| Approval Pub. Date: | Granted Pub. Date: | 2000.12.27 | |
| International Classifi-cation: | C09F1/04 | ||
| Applicant(s) Name: | Beijing Light Industry Inst. | Address: | 100037 |
| Inventor(s) Name: | Liang Menglan, Sun Baoguo | ||
| Attorney & Agent: | |||
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Abstract: |
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| The present invention provides a method for preparing ammonium monomethyl N, N, N-trimethyl -N -abietyl sulfate by using abietylamine as raw material. Said method includes the following steps: using abietylamine as raw material, and using formaldehyde -formic acid as methylating agent to prepare N, N-dimethyl abietylamine (A), then making the N, N-dimethyl abietylamine (A) and dimethyl sulfate to implement quaterisation in solvent. The obtained product possesses good bactericidal powder. | |||
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| Time: | 7 | ||
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