A two-part moisture cure organosiloxane composition is disclosed. The two-part moisture cure organosiloxane composition comprises a base component and a catalyst package. The catalyst package undergoes minimal phase separation during storage.

A two-part moisture cure organosiloxane composition is disclosed. The two-part moisture cure organosiloxane composition comprises a base component and a catalyst package. The catalyst package undergoes minimal phase separation during storage.

A two-part moisture cure organosiloxane composition is disclosed. The two-part moisture cure organosiloxane composition comprises a base component and a catalyst package. The catalyst package undergoes minimal phase separation during storage.

The invention relates to a curable composition comprising a) at least one polymer having at least one terminal group of the general formula (I)
-A.sub.n-RSiXYZ(I),
wherein A is a divalent or trivalent bonding group containing at least one heteroatom, R is selected from divalent hydrocarbon residues having 1 to 12 carbon atoms, X, Y, Z are, independently of one another, selected from the group consisting of a hydroxyl group and C.sub.1 to C.sub.8 alkyl, C.sub.1 to C.sub.8 alkoxy, C.sub.1 to C.sub.8 acyloxy groups and CH.sub.2NR wherein N is oxygen, nitrogen or sulfur, preferably oxygen, and R is selected from C.sub.1 to C.sub.8 alkyl groups, preferably a methyl group, wherein X, Y, Z are substituents directly bound with the Si atom or the two of the substituents X, Y, Z form a ring together with the Si atom to which they are bound, and at least one of the substituents X, Y, Z is selected from the group consisting of a hydroxyl group, C.sub.1 to C.sub.8 alkoxy or C.sub.1 to C.sub.8 acyloxy groups, and n is 0 or 1; and b) at least one compound of the general formula (II) ##STR00001## wherein R.sup.1 is same or different and is, independently from one another, selected from the group consisting of a hydrogen atom and hydrocarbon residues having 1 to 12 carbon atoms, R.sup.2 is same or different and is, independently from one another, selected from hydrocarbon residues having 1 to 12 carbon atoms, Ar is selected from aryl groups, and n is an integer selected from 3 to 9; and adhesive, sealant, or coating materials comprising the composition and use thereof.

The invention relates to a curable composition comprising a) at least one polymer having at least one terminal group of the general formula (I)
-A.sub.n-RSiXYZ(I),
wherein A is a divalent or trivalent bonding group containing at least one heteroatom, R is selected from divalent hydrocarbon residues having 1 to 12 carbon atoms, X, Y, Z are, independently of one another, selected from the group consisting of a hydroxyl group and C.sub.1 to C.sub.8 alkyl, C.sub.1 to C.sub.8 alkoxy, C.sub.1 to C.sub.8 acyloxy groups and CH.sub.2NR wherein N is oxygen, nitrogen or sulfur, preferably oxygen, and R is selected from C.sub.1 to C.sub.8 alkyl groups, preferably a methyl group, wherein X, Y, Z are substituents directly bound with the Si atom or the two of the substituents X, Y, Z form a ring together with the Si atom to which they are bound, and at least one of the substituents X, Y, Z is selected from the group consisting of a hydroxyl group, C.sub.1 to C.sub.8 alkoxy or C.sub.1 to C.sub.8 acyloxy groups, and n is 0 or 1; and b) at least one compound of the general formula (II) ##STR00001## wherein R.sup.1 is same or different and is, independently from one another, selected from the group consisting of a hydrogen atom and hydrocarbon residues having 1 to 12 carbon atoms, R.sup.2 is same or different and is, independently from one another, selected from hydrocarbon residues having 1 to 12 carbon atoms, Ar is selected from aryl groups, and n is an integer selected from 3 to 9; and adhesive, sealant, or coating materials comprising the composition and use thereof.

Polar silane linkers are provided that attach to resins to form silane-functionalized resins. The functionalized resins can be bound to hydroxyl groups on the surface of silica particles to improve the dispersibility of the silica particles in rubber mixtures. Further disclosed are synthetic routes to provide the silane-functionalized resins, as well as various uses and end products that benefit from the unexpected properties of the silane-functionalized resins. Silane-functionalized resins impart remarkable properties on various rubber compositions, such as tires, belts, hoses, brakes, and the like. Automobile tires incorporating the silane-functionalized resins are shown to possess excellent results in balancing the properties of rolling resistance, tire wear, and wet braking performance.

Polar silane linkers are provided that attach to resins to form silane-functionalized resins. The functionalized resins can be bound to hydroxyl groups on the surface of silica particles to improve the dispersibility of the silica particles in rubber mixtures. Further disclosed are synthetic routes to provide the silane-functionalized resins, as well as various uses and end products that benefit from the unexpected properties of the silane-functionalized resins. Silane-functionalized resins impart remarkable properties on various rubber compositions, such as tires, belts, hoses, brakes, and the like. Automobile tires incorporating the silane-functionalized resins are shown to possess excellent results in balancing the properties of rolling resistance, tire wear, and wet braking performance.

A nitrile rubber composition including: a carboxyl group-containing nitrile rubber containing 5 to 30% by weight of an ,-ethylenically unsaturated nitrile monomer unit, 0.1 to 10% by weight of a carboxyl group-containing monomer unit, 15 to 60% by weight of an ,-ethylenically unsaturated monocarboxylic acid ester monomer unit, and 20 to 64.9% by weight of a conjugated diene monomer unit and having an iodine value of 120 or less; and a reactive silicone oil.

A nitrile rubber composition including: a carboxyl group-containing nitrile rubber containing 5 to 30% by weight of an ,-ethylenically unsaturated nitrile monomer unit, 0.1 to 10% by weight of a carboxyl group-containing monomer unit, 15 to 60% by weight of an ,-ethylenically unsaturated monocarboxylic acid ester monomer unit, and 20 to 64.9% by weight of a conjugated diene monomer unit and having an iodine value of 120 or less; and a reactive silicone oil.

A nitrile rubber composition including: a carboxyl group-containing nitrile rubber containing 5 to 30% by weight of an ,-ethylenically unsaturated nitrile monomer unit, 0.1 to 10% by weight of a carboxyl group-containing monomer unit, 15 to 60% by weight of an ,-ethylenically unsaturated monocarboxylic acid ester monomer unit, and 20 to 64.9% by weight of a conjugated diene monomer unit and having an iodine value of 120 or less; and a reactive silicone oil.