| 摘要 |
Silane coupling agents which are high in heat resistance, such that no decrease in contact angle is observed even after exposure to an atmosphere having a temperature of 350° C. or higher for 4 hours or longer, and which are high in durability, releasability, and antifouling properties. The silane coupling agents have a biphenylalkyl group and are represented by the following general formula (1). The silane coupling agents are high in heat resistance, such that surfaces modified with these compounds show no decrease in contact angle when exposed to an atmosphere having a temperature of 350° C. or higher for 4 hours or longer, and are high in durability, releasability, and antifouling properties. The silane coupling agents have an extraordinary effect and usefulness. [In the formula (1), Rf represents perfluoroalkyl of F(CF2)n, wherein n is an integer of 1-14, preferably 1-12, more preferably 4-12, and still more preferably 4-10.]
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