| 摘要 |
A PROCESS FOR PRODUCING POWDER, FLAKES, OR PELLETS CONTAINING α-SULFO FATTY ACID ALKYLESTER SALT IN HIGH CONCENTRATIONS, THE PROCESS INCLUDING : (1) A STEP OF PREPARING A PASTE CONTAINING α-SULFO FATTY ACID ALKYLESTER SALT BY A SERIES OF REACTIONS OF SULFONATING A FATTY ACID ALKYLESTER WITH A SULFONATING GAS BY CONTACT WITH EACH OTHER, ESTERIFYING THE SULFONATED PRODUCT WITH A LOWER ALCOHOL, NEUTRALIZING THE ESTERIFIED PRODUCT, AND BLEACHING THE NEUTRALIZED PRODUCT, TO GIVE A PASTE CONTAINING α-SULFO FATTY ACID ALKYLESTER SALT; (2) A STEP OF AGING THE THUS OBTAINED PASTE;(3) A STEP OF MAKING THE AGED PASTE INTO FLAKES OR PALLETS CONTAINING EQUAL TO OR LESS THAN 10 WT% OF WATER, OR A STEP OF MAKING THE AGED PASTE INTO FLAKES OR PELLETS CONTAINING EQUAL TO OR LESS THAN 10 WTOF WATER AND THEN CRUSHING THE RESULTING FLAKES OR PELLETS INTO A POWDER HAVING AN AVERAGE PARTICLE DIAMETER OF 100-A500 µM;AND (4) A STEP OF AGING THE POWDER, FLAKES, OR PELLETS.
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