摘要:
A method for passivating metallic surfaces, wherein the surface is contacted with an aqueous composition comprising at least one water-soluble polymer (X) comprising acidic groups and with at least one surfactant (T) based on alkoxylated alcohols, the pH of the composition being in the range from 0.5 to 5, enables durable protection of the surface.
摘要:
A mixed powder or mixed granule containing at east 80% by weight of a mixture of (a) from 5 to 95% by weight of at least one glycine-N,N-diacetic acid derivative of the general formula (I) MOOC—CHR—N(CH2COOM)2 (I) where R is C1-12-alkyl M is alkali metal, (b) from 5 to 95% by weight of at least one polyethylene glycol or of at least one nonionic surfactant or of a mixture thereof or of a polymer selected from the group consisting of polyvinyl alcohols, polyvinylpyrrolidones (PVP), polyalkylene glycols and derivatives thereof, processes for producing these mixed powders or mixed granules, the use of these mixed powders or mixed granules, and a solid laundry detergent and a solid dishwasher detergent comprising the inventive mixed powder or mixed granule are described.
摘要:
Process for the passivation of metallic surfaces, in particular of strip metals, by treatment of the surface with an acidic, aqueous preparation which comprises at least one water-soluble acid group-containing polymer and at least one wax.
摘要:
Copolymers comprising as comonomers in copolymerized form:(a) ethylene,(b) one or more compounds of the general formula I (c) if appropriate, one or more alkenylphosphonic diesters,(d) if appropriate, one or more other free-radically copolymerizable comonomers,whose variables are defined as follows:R1 is selected from hydrogen and unbranched and branched C1-C10-alkyl,R2 is selected from hydrogen and unbranched and branched C1-C10-alkyl,R3 is selected from hydrogen, phenyl, benzyl, and unbranched and branched C1-C10-alkyl and unbranched and branched hydroxy-C2-C10-alkyl,as free acid or partially or completely neutralized with alkali metal, alkaline earth metal, ammonia or organic amine.
摘要:
Aqueous leachant compositions and processes for using the same comprising: (a) providing a metal-containing compound; and (b) subjecting the metal-containing compound to an acid digestion comprising contacting the metal-containing compound with an aqueous leachant; wherein the aqueous leachant comprises a mixture selected from the group consisting of: (i) sulfuric acid and one or more alkanesulfonic acids having alkane moieties selected from the group consisting of propyl, ethyl and methyl groups, at a weight ratio of alkanesulfonic acid to sulfuric acid of 1:1000 to 1:1; (ii) sulfuric acid and one or more salts of alkanesulfonic acids having alkane moieties selected from the group consisting of propyl, ethyl and methyl groups, at a weight ratio of salt of alkanesulfonic acid to sulfuric acid of 1:9 to 1:99.
摘要:
Preparation for and a method of applying corrosion control coats to metallic surfaces, particularly the surfaces of metallic structures or metal constructions, the preparation comprising at least one binder system curable under atmospheric conditions, a dicarboxylic acid-olefin copolymer, and a finely divided filler, pigment or dye. Coated metallic surface obtainable by means of the method, especially the surface of metallic structures or metal constructions.
摘要:
Flat shaped bodies which comprise at least one metallic layer, a conversion coat applied thereto, and at least one paint coat, and methods for producing such bodies starting from flat, metallic, semifinished products.
摘要:
Methods of increasing permeability in a carbonatic rock formation, the methods comprising: providing an alkanesulfonic acid; and introducing the alkanesulfonic acid into the carbonatic rock formation.
摘要:
Peelable polymeric protective films on surfaces, in particular on metallic surfaces, which exhibit an oxygen gradient, and a process for producing such protective films. The films are particularly suitable for providing surfaces with temporary protection.
摘要:
A mixed powder or mixed granule containing at east 80% by weight of a mixture of (a) from 5 to 95% by weight of at least one glycine-N,N-diacetic acid derivative of the general formula (I) MOOC—CHR—N(CH2COOM)2 (I)where R is C1-12-alkyl M is alkali metal, (b) from 5 to 95% by weight of at least one polyethylene glycol or of at least one nonionic surfactant or of a mixture thereof or of a polymer selected from the group consisting of polyvinyl alcohols, polyvinylpyrrolidones (PVP), polyalkylene glycols and derivatives thereof, processes for producing these mixed powders or mixed granules, the use of these mixed powders or mixed granules, and a solid laundry detergent and a solid dishwasher detergent comprising the inventive mixed powder or mixed granule are described.