Compound having alkoxysilyl group and active ester group, method for preparing same, composition comprising same, and use

A compound having an alkoxysilyl group and an active ester group selected from a group consisting of Formulae AF to LF below:

• in Formula AF, -p- is —C(CH3)2—, —CH2—, —C(CF3)2—, —S—, —SO2—,
• in Formula FF, -q- is —CH2— or a direct linkage,
• in Formula GF, r is hydrogen, a hydroxyl group, a C1-C10 alkyl group, or a C1-C10 aromatic group, preferably a C6-C10 aromatic group,
• in Formula IF, s is
• in Formula LF, t is
• in Formulae IF to LF, n is an integer equal to or greater than 1,
• in Formulae AF to EF, at least one of a plurality of Ps is —(CH2)mSiRaRbRc, at least one of Ra, Rb, and Rc is a C1-C5 alkoxy group and the remainders thereof are alkyl groups having 1 to 10 carbon atoms, the alkyl group and the alkoxy group are a linear or branched alkyl group and a linear or branched alkoxy group, m is an integer ranging from 3 to 10, the remainders thereof are hydrogen or alkenyl group of —(CH2)lCHCH2, where l is an integer ranging from 1 to 8,
• at least one of a plurality of Qs is —COR1, where R1 is an aliphatic, alicyclic, or aromatic hydrocarbon group of C1-C20, and the aliphatic hydrocarbon group is a linear or branched aliphatic hydrocarbon group, and the remainder of the plurality of Qs are hydrogen,
• in Formulae FF to LF, at least one of a plurality of Rs is —(CH2)mSiRaRbRc or —CONH(CH2)mSiRaRbRc, where at least one of Ra, Rb, and Rc is a C1-C5 alkoxy group, and the remainders thereof are alkyl groups having 1 to 10 carbon atoms, the alkyl group and the alkoxy group are linear or branched, m is an integer ranging from 3 to 10, at least one of a plurality of Rs is —COR1, R1 is an aliphatic, alicyclic, or aromatic hydrocarbon group of C1-C20, the aliphatic hydrocarbon group is linear or branched, and the remainder of the plurality of Rs are hydrogen or alkenyl group of —(CH2)lCHCH2, independently, where l is an integer ranging from 1 to 8.