Adhesive RTV silicone rubber compounds

A non-aqueous adhesive silicone rubber composition, comprising:

• (i) 30 to 90% by wt. of at least one polydiorganosiloxane, which can be vulcanized through condensation and has the general formula ##STR2## where each R is, independently of one another, a substituted or nonsubstituted saturated or unsaturated, monovalent hydrocarbon group having 1 to 10 carbon atoms;
• or denotes OR, wherein R is as above defined, or OH, provided, that on average each molecule contains at least one hydrolyzable group, and n is a value between 5 and 50,000,
• (k) 1 to 10% by wt. of at least one cross-linker of the general formula
• R.sub.a R.sup.5.sub.b SiX.sub.4-(a+b) (IV),
• where R has the aforementioned meaning, R.sup.5 stands for hydrocarbon groups having 1 to 6 carbon atoms and X stands for a hydrolyzable group;
• and a has a value from 0 to 2, and/or their partial condensates,
• (1) 0.02 to 5% by wt. of at least one bonding agent of the general formula
• R.sup.1.sub.c R.sup.6.sub.d SiOR.sup.1.sub.4-(c+d) (V),
• where each R.sup.1 is, independently of one another, a substituted or nonsubstituted, saturated or unsaturated linear, branched or cyclic hydrocarbon group having at least 3 carbon atoms, R.sup.6 contains at least one Si-C bonded group having an adhesion-promoting radical selected from the group consisting of an amino, epoxy, mercapto and acrylate radical, and c is a value 0 to 2, d is either 1 or 2, and the sum (c+d) is not greater than 3, and/or their partial condensates,
• (m) 0.01 to 3% by wt. of at least one compound catalyzing the reaction of the components (i) to (1),
• (n) 5 to 50% by wt. of at least one treated and/or untreated filler, and a hot water stability improvement effective amount of a combination of
• (a) at least one organosilicon compound of the formula
• R.sub.a R.sup.1.sub.b SiX.sub.4-(a+b) (I),
• where R and R.sup.1 have the aforementioned meanings, respectively, X is a hydrolyzable group;
• a has a value from 0 to 2;
• and the sum (a+b) has a value between 1 to 3;
• or their partial condensates;
• and
• (b) at least one branched organosilicon compound of the formula
• (SiO.sub.4/2).sub.x (R.sup.3 SiO.sub.3/2).sub.y (R.sup.3.sub.2 SiO.sub.2/2).sub.z (R.sup.3.sub.3 SiO.sub.1/2).sub.w (II),
• where each R.sup.3 denotes, independently of one another, R, OR or OH;
• and the sum (x+y+z+w) has a greater value than 2, and/or
• (c) a product obtained by reacting at least one compound of formula (I) with at least one compound of the formula (II),
• wherein (a) and (b) and/or (c) comprises 0.1% by wt. to 30% by wt. based on the total mixture.