Abstract: The present disclosure is directed to a curable and electrochemically disbondable one component (1K) adhesive composition comprising: a) at least one epoxide compound; b) a curing agent consisting of one or more compounds which have at least one epoxide reactive group and which do not possess a disulfide functional group; c) a healing agent consisting of one or more compounds which contain at least one disulfide functional group and optionally at least one epoxide reactive group selected from: hydroxyl; thiol; amine; or, carboxyl; and, d) an electrolyte, wherein the composition is characterized by a molar ratio of epoxide-reactive groups to epoxide groups of from 0.6:1 to 1.2:1.

Abstract: The present invention relates to a debondable solvent-borne pressure sensitive adhesive composition comprising a) a (meth)acrylate co-polymer formed from the monomers selected from the group consisting of ethyl (meth)acrylate, methyl acrylate, butyl (meth)acrylate, 2-ethylhexyl (meth)acrylate, 3-epoxypropyl (meth)acrylate, 2-hydroxyethyl (meth)acrylate, hydrogenated polybutadiene(meth)acrylate, glacial acrylic acid, vinyl acetate, and mixtures thereof; b) an electrolyte selected from the group consisting of 1-butyl-3-methylimidazolium bis(trifluoromethylsolfonyl)imide, 1-ethyl-3-vinylimidazolium methanesulfonate, 1-dodecyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide, tributyl(ethyl) phosphonium diethyl phosphate, trihexyltetradecylphosphonium bis(trifluoromethylsulfonyl)amide and mixtures thereof; c) a cross-linker; and d) a solvent.

Abstract: The present invention is directed to a curable and debondable two-part (2K) adhesive composition comprising: i) a first part comprising: (meth)acrylate monomer; co-polymerizable acid; and, an electrolyte; and, ii) a second part comprising: a first curing agent for the monomers of said first part; a second curing agent for the monomers of said first part; a wax; and, a solubilizer, wherein said two-part (2K) adhesive composition further comprises a toughener, an oxygen scavenger and a rheology control agent and further wherein said two-part (2K) adhesive composition is characterized in that said electrolyte comprises or consists of at least one salt in accordance with Formula (I) or Formula (II):

Abstract: The present invention is directed to a curable and electrochemically debondable two-component (2K) adhesive composition comprising: a first component comprising: i) at least one polyol selected from the group consisting of fatty alcohols, polyester polyols, polyether polyols, polyether-polyester polyols and polycarbonate polyols: ii) optionally further active hydrogen compounds: and, iii) non-polymerizable electrolyte: and, a second component comprising at least one polyisocyanate, wherein said composition is characterized in that the molar equivalents ratio of NCO groups to active hydrogen atoms is at least 1:1.

Abstract: The present invention is directed to a curable and electrochemically debondable one-component (1K) adhesive composition comprising, based on the weight of the composition: from 40 to 90 wt. % of i) at least one ethylenically unsaturated non-ionic monomer; from 1 to 30 wt. % of ii) non-polymerizable electrolyte; from 0.1 to 10 wt. % of iii) at least one radical generating thermal initiator; from 0 to 20 wt. % of iv) filler; and, from 0 to 20 wt. % of v) toughener.

Abstract: The present invention relates to an aqueous composition based on phosphates, aluminum ions and other metal ions, in particular manganese ions and zinc ions, as well as silicates, siloxanes or silanes, for providing anticorrosive coatings on metal surfaces, in particular for the electrical insulation of grain-oriented electrical steel strip. For the desired functionality, the compositions according to the invention contain the constituents mentioned in a prescribed ratio to one another. The invention also relates to a method for coating the surface of a metallic workpiece by using the aqueous compositions, wherein the method produces outstanding results, in particular on grain-oriented electrical steel strip, with regard to corrosion protection and adherence.

Abstract: The invention relates to a wet-chemical pretreatment of zinc surfaces prior to applying a corrosion-protection coating, which deposits a thin inorganic coating of oxide and/or metallic iron. An iron layer structure which is applied according to the invention, hereinafter referred to as ferrization, improves the achievable corrosion protection of wet-chemical conversion coatings on zinc surfaces. Furthermore, the ferrization process causes both a reduction of the contact corrosion of joined metal components which have zinc and iron surfaces as well as a reduction of corrosive coating migration on cut edges of galvanized steel strips with coating layer structures. In particular, the invention relates to an alkaline composition containing an iron ion source, a reducing agent based on oxoacids of nitrogen and phosphorus, and water-soluble organic carboxylic acids with an amino group at the ?, ?, or ? position with respect to the acid group and/or the water-soluble salts thereof.

Abstract: The object of the underlying invention consists of an acidic aqueous metal pretreatment solution that comprises amino-functional organosilanes and organophosphorus acids. These types of metal pretreatment solutions effectively reduce temporary corrosion when applied to metal surfaces and in addition confer good adhesion properties for subsequently coated organic lacquers. The invention consequently also encompasses a process for the treatment of metal substrates, especially selected from zinc and zinc-coated steel substrates, wherein metal pretreatment solutions of this invention are applied.

Abstract: The invention is directed to an acidic aqueous metal pretreatment solution that comprises amino-functional organosilanes, complex anions of the elements Zr, Ti, Hf and/or Si as well as oxyacids of phosphorus; a process for the treatment of metal substrates, especially selected from zinc and zinc-coated steel substrates, wherein metal pretreatment solutions of this invention are applied to reduce corrosion when applied to metal surfaces and in addition confer good adhesion properties for subsequently coated organic lacquers.

Abstract: The invention relates to a two-stage method for the anti-corrosive pretreatment of tinplate, in which an anti-corrosive primer coating is applied in a first step, in which the tinplate is anodically polarized in an electrolyte containing at least one inert water-soluble salt and is then in a second step, brought in contact with an acidic aqueous composition containing water-soluble inorganic compounds of the elements Zr, Ti, Hf, and/or Si.

Abstract: The invention relates to a method for the anti-corrosive pretreatment of tinplate, in which an anti-corrosive primer coating is applied in a single step, said primer coating effectively preventing the shiny metal surface of the pretreated tinplate from turning black when the pretreated tinplate of the invention that is provided with a topcoat is in contact with liquids releasing or containing sulfur compounds and with food containing protein. In the disclosed method, the tinplate is anodically polarized in an electrolyte containing silicates of formula M2O.nSiO2, where M is an alkali metal ion or quaternary ammonium ion and n is a natural number between 0.8 and 7. Tinplate pretreated according to the invention can be used in particular for the production of food-safe packaging such as beverage cans or tin cans.

Abstract: Provided herein are compositions made from a matrix and a hydrated salt of an acid and a Group I or II element of the Periodic Table, and electronic devices assembled therewith.

Abstract: The present invention relates to a method for applying a weldable anti-scale coat to steel, comprising producing a thin silicatic layer free from metal pigments on the metallic steel surface, and subsequently applying and curing a wet film of a curable, pigment-containing paint; wherein said paint comprises, in solution in a liquid phase, a binder, comprising hydrolysates and/or condensates of at least one silane/siloxane and/or at least one silicone resin; at least one particulate metallic pigment of AI and at least one particulate metallic pigment of Bi. The present invention also relates to application of an organic paint film system obtainable in the method of the invention, a paint formula useful in the method of the invention, a hot forming operation on steel coated in the method of the invention; and a hot-formed steel component suitable for electrical spot welding processes.

Abstract: The invention is directed to an acidic aqueous metal pretreatment solution that comprises amino-functional organosilanes, complex anions of the elements Zr, Ti, Hf and/or Si as well as oxyacids of phosphorus; a process for the treatment of metal substrates, especially selected from zinc and zinc-coated steel substrates, wherein metal pretreatment solutions of this invention are applied to reduce corrosion when applied to metal surfaces and in addition confer good adhesion properties for subsequently coated organic lacquers.

Abstract: The object of the underlying invention consists of an acidic aqueous metal pretreatment solution that comprises amino-functional organosilanes and organophosphorus acids. These types of metal pretreatment solutions effectively reduce temporary corrosion when applied to metal surfaces and in addition confer good adhesion properties for subsequently coated organic lacquers. The invention consequently also encompasses a process for the treatment of metal substrates, especially selected from zinc and zinc-coated steel substrates, wherein metal pretreatment solutions of this invention are applied.

Abstract: The present invention relates to an aqueous composition based on phosphates, aluminum ions and other metal ions, in particular manganese ions and zinc ions, as well as silicates, siloxanes or silanes, for providing anticorrosive coatings on metal surfaces, in particular for the electrical insulation of grain-oriented electrical steel strip. For the desired functionality, the compositions according to the invention contain the constituents mentioned in a prescribed ratio to one another. The invention also relates to a method for coating the surface of a metallic workpiece by using the aqueous compositions, wherein the method produces outstanding results, in particular on grain-oriented electrical steel strip, with regard to corrosion protection and adherence.

Abstract: Photolabile fragrance storage substances capable of photo-induced release of odorant aldehydes and odorant ketones are described in addition to a process for long-lasting fragrancing of surfaces and a process for producing said fragrance storage substances.

Abstract: The present invention relates to a method for applying a weldable anti-scale coat to steel, comprising producing a thin silicatic layer free from metal pigments on the metallic steel surface, and subsequently applying and curing a wet film of a curable, pigment-containing paint; wherein said paint comprises, in solution in a liquid phase, a binder, comprising hydrolysates and/or condensates of at least one silane/siloxane and/or at least one silicone resin; at least one particulate metallic pigment of Al and at least one particulate metallic pigment of Bi. The present invention also relates to application of an organic paint film system obtainable in the method of the invention, a paint formula useful in the method of the invention, a hot forming operation on steel coated in the method of the invention; and a hot-formed steel component suitable for electrical spot welding processes.

Abstract: The invention relates to a wet-chemical pretreatment of zinc surfaces prior to applying a corrosion-protection coating, which deposits a thin inorganic coating of oxide and/or metallic iron. An iron layer structure which is applied according to the invention, hereinafter referred to as ferrization, improves the achievable corrosion protection of wet-chemical conversion coatings on zinc surfaces. Furthermore, the ferrization process causes both a reduction of the contact corrosion of joined metal components which have zinc and iron surfaces as well as a reduction of corrosive coating migration on cut edges of galvanized steel strips with coating layer structures. In particular, the invention relates to an alkaline composition containing an iron ion source, a reducing agent based on oxoacids of nitrogen and phosphorus, and water-soluble organic carboxylic acids with an amino group at the ?, ?, or ? position with respect to the acid group and/or the water-soluble salts thereof.

Abstract: The invention relates to a two-stage method for the anti-corrosive pretreatment of tinplate, in which an anti-corrosive primer coating is already applied in a first step, said primer coating effectively preventing the shiny metal surface of the pretreated tinplate from turning black when the pretreated tinplate of the invention that is provided with a coating lacquer is in contact with liquids containing or releasing sulfur compounds and with food containing protein. In the disclosed method, the tinplate is anodically polarized in an electrolyte containing at least one inert water-soluble salt and is then brought in contact with an acidic aqueous composition containing water-soluble inorganic compounds of the elements Zr, Ti, Hf, and/or Si. Tinplate pretreated according to the invention can be used in particular for the production of food-safe packaging such as beverage cans or tin cans.