1604816-54-7Relevant articles and documents
NEW PFOS ALTERNATIVES AND PREPARING METHOD THEREOF
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Paragraph 0046; 0084; 0085; 0137; 0138, (2016/10/10)
The present invention relates to a novel sulfonic acid derivative substituting for perfluorooctanesulfonic acid (PFOS) and synthesis thereof. The sulfonic acid derivative is denoted by chemical formula (1). In the chemical formula (1), R^f is a formula, X is an independent hydrogen atom or fluorine, n is integer between 0 and 3, and R is a metal atom, ammonium, or alkyl-ammonium. The sulfonic acid derivative has proper and good activities such as a significant biodegradability and surfactant in terms of environment, public health and industry.COPYRIGHT KIPO 2015