CURABLE COMPOSITION HAVING A SPECIAL CATALYST / SOFTENER SYSTEM

摘要

The invention relates to a curable composition comprising at least one polymer having at least one end group of the general formula (I) comprising -An-R-SiXYZ (I), where A is a double-bonded bond group comprising at least one heteroatom, R is a double-bonded hydrocarbon radical having 1-12 C atoms, and X, Y, Z are substituents on the Si atom and independently of each other are C1 - C8 - alkyl-, C1 - C8 - alkoxy- or C1 - C8 - acyloxy groups, where at least one of the radicals X, Y, Z, is a C1 - C8 - alkoxy- or C1 - C8 - acyloxy group, and n is 0 or 1, wherein the elastic properties are improved while simultaneously maintaining good hardness values and toxicological harmlessness after curing has taken place. The above is accomplished by adding at least one cyclical compound comprising at least one structural motif of the formula (II) as a component of the ring structure; and comprising at least one cyclohexane dicarboxylic acid dialkyl ester, wherein the alkyl radicals of the ester groups each comprise 1 to 20 C atoms independently of each other. The invention further relates to the use of the curable composition according to the invention as an adhesive, sealant, and/or coating, and to the use of a combination of a cyclohexane dicarboxylic acid dialkyl ester, wherein the alkyl radicals of the ester groups, independently of each other, each comprise 1 to 20 C atoms, having a cyclical compound comprising at least one structural motif of the general formula (II) as a component of the ring structure, as a softener-curing catalyst system in curable compositions.