Abstract: Aqueous adhesive comprising a polyurethane and a silane of the formula where R1 to R4 each independently are an organic radical, with the proviso that at least two of the groups R1 to R4 are a hydroxyl or alkoxy group.

Abstract: Microcapsules wherein the capsule wall is formed from an organic polymer (capsule wall polymer for short) and the core of the microcapsules comprises compounds containing carbodiimide groups (carbodiimide compound for short).

Abstract: A process for adhesively bonding a substrate, using an adhesive comprising a polymer binder and a crosslinker compound I comprising carbodiimide groups, wherein the compound comprising carbodiimide groups is obtainable by reacting a) carbodiimides of 1,3-bis(1-methyl-1-isocyanatoethyl)benzene, 1,4-bis(1-methyl-1-isocyanatoethyl)benzene or a mixture thereof with b) polyalkylene oxides having at least two isocyanate-reactive groups, preferably at least two hydroxyl groups, and c) if appropriate, further compounds reactive with a) or b).

Abstract: Aqueous composition comprising a polyurethane (A) an epoxy resin (B) obtainable by reacting compounds having epoxide groups with diols or polyols, and a crosslinker (C) for the epoxy resin.

Abstract: Microcapsules wherein the capsule wall is formed from an organic polymer (capsule wall polymer for short) and the core of the microcapsules comprises compounds containing carbodiimide groups (carbodiimide compound for short).

Abstract: Aqueous adhesive comprising a polyurethane and a silane of the formula where R1 to R4 each independently are an organic radical, with the proviso that at least two of the groups R1 to R4 are a hydroxyl or alkoxy group.

Abstract: Thiocarbamides comprising at least one carbodiimide group and at least one thiocarbamic ester group of the formula

Abstract: A composited element comprises a substrate composed of a polyolefin and a substrate composed of a polyurethane which are composited together by an adhesive.

Abstract: The use of a film for adhesively bonding two substrates, wherein the film comprises a layer which is composed of more than 30% by weight of a heat-activatable polyurethane (PU layer for short).

Abstract: An adhesive comprising a polyurethane and 0.0001 to 0.1 mol of carbodiimide groups per 100 g of polyurethane, wherein the polyurethane contains 0.0001 to 0.1 mol of hydroxysilane or alkoxysilane groups (silane groups for short) per 100 g of polyurethane.

Abstract: A polyurethane dispersion whose polyurethane comprises anionic groups at least 10 mol % of which are neutralized by alkanolamines having at least two hydroxyl groups, excluding polyurethane dispersions comprising water-emulsifiable polyisocyanates.

Abstract: An aqueous dispersion comprising a polyurethane synthesized from a) organic diisocyanates b) dihydroxy compounds having a molar weight of 500 to 5000 g/mol and comprising no ionic group or group that can be converted to an ionic group c) mono- to trihydric alcohols additionally comprising an ionic group d) if appropriate, further compounds other than a) to c), wherein the polyurethane comprises less than 0.6% by weight of urea groups (calculated with a molar weight of 56 g/mol), the ionic group of c) has been at least partly neutralized with an alkali metal cation, and the reaction of compounds a), b), c), and d) does not take place in the presence of a catalyst containing a metal-carbon bond.

Abstract: An aqueous dispersion comprising a polyurethane synthesized from a) organic diisocyanates b) dihydroxy compounds having a molar weight of 500 to 5000 g/mol and comprising no ionic group or group that can be converted to an ionic group c) mono- to trihydric alcohols which additionally comprise an ionic group d) if appropriate, further compounds, different from a) to c), wherein the polyurethane comprises less than 0.6% by weight of urea groups (calculated with a molar weight of 56 g/mol), the ionic group of c) is at least partly neutralized with ammonia, and the reaction of compounds a), b), c), and d) does not take place in the presence of an organometallic catalyst.

Abstract: Aqueous dispersions comprising a polyurethane synthesized from a) diisocyanates, b) diols of which b1) from 10 to 100 mol %, based on the total amount of diols (b), have a molecular weight of from 500 to 5 000, and b2) from 0 to 90 mol %, based on the total amount of diols (b), have a molecular weight of from 60 to 500 g/mol, c) monomers other than the monomers (a) and (b), containing at least one isocyanate group or at least one isocyanate-reactive group and further carrying at least one hydrophilic group or potentially hydrophilic group by means of which the polyurethane is made dispersible in water, d) if appropriate, further, polyfunctional compounds other than the monomers (a) to (c), containing reactive groups which are alcoholic hydroxyl groups, primary or secondary amino groups or isocyanate groups, and e) if appropriate, monofunctional compounds other than the monomers (a) to (d), containing a reactive group which is an alcoholic hydroxyl group, a primary or secondary amino group or an isocyanate gro

Abstract: A process for adhesively bonding a substrate, using an adhesive comprising a polymer binder and a crosslinker compound I comprising carbodiimide groups, wherein the compound comprising carbodiimide groups is obtainable by reacting a) carbodiimides of 1,3-bis(1-methyl-1-isocyanatoethyl)benzene, 1,4-bis(1-methyl-1-isocyanatoethyl)benzene or a mixture thereof with b) polyalkylene oxides having at least two isocyanate-reactive groups, preferably at least two hydroxyl groups, and c) if appropriate, further compounds reactive with a) or b).

Abstract: Thiocarbamides comprising at least one carbodiimide group and at least one thiocarbamic ester group of the formula

Abstract: Aqueous composition comprising a polyurethane (A) an epoxy resin (B) obtainable by reacting compounds having epoxide groups with diols or polyols, and a crosslinker (C) for the epoxy resin.

Abstract: Latently crosslinking aqueous polyurethane dispersions contain I) a disperse phase (P.I) containing Ia) a polyurethane (Ia) which, in addition to hydrophilic groups which produce water dispersibility, carries carbodiimide groups and substantially no carboxyl groups or Ib) a physical mixture of Ibi) a polyurethane (Ibi) which carries hydrophilic groups which produce water dispersibility and carries substantially no carbodiimide or carboxyl groups, and Ibii) a carbodiimide (Ibii) which carries substantially no hydrophilic groups which produce water dispersibility, and II) a disperse phase (P.II) containing another polymer (II) which carries substantially no carbodiimide groups and is substantially derived from II.1) from 30 to 99.

Abstract: Latently crosslinking aqueous polyurethane dispersions contain