| 摘要 |
A water repellent composition comprising a compound of the following formula 1, and a compound of the following formula 4 and/or a compound of the following formula 5:<paragraph lvl="0"><in-line-formula>RfSi(R)p(X)3-p Formula 1</in-line-formula><paragraph lvl="0"><in-line-formula>RFSi(R1)q(X1)3-q Formula 4</in-line-formula><paragraph lvl="0"><in-line-formula>SiX24 Formula 5</in-line-formula>wherein Rf is a fluorine-containing organic group having an etheric oxygen atom, RF is a fluorine-containing organic group having no etheric oxygen atom, each of R and R1 which are independent of each other, is a C1-6 hydrocarbon group containing no fluorine atom, each of X, X1 and X2 which are independent of one another, is a halogen atom or a hydrolyzable group, and each of p and q which are independent of each other, is 0, 1 or 2.
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