1、 Alkanolamides belong to nonionic surfactants. Synthesis of alkanolamide from fatty acid using two - step method was introduced.
烷醇酰胺属非离子表面活性剂, 介绍了以脂肪羧酸为原料、二 步法 合成烷醇酰胺的方法.
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2、 Therefore it becomes a tendency to develop nonionic type waterborne epoxy curing agent.
开发非离子型水性环氧固化剂是其发展趋势之一.
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