摘要:
Antifoams and/or deaeraters based on oil-in-water dispersions contain, in the hydrophobic oil phase, 3-thiaalkan-1-ols, 3-thiaoxoalkan-1-ols, 3-thiadioxoalkan-1-ols, esters of said compounds or mixtures thereof as compounds having an antifoam and/or deaerating effect, and 3-thiaalkan-1-ols, 3-thiaoxoalkan-1-ols, 3-thiadioxoalkan-1-ols, esters of said compounds or mixtures thereof are used as antifoams and/or deaeraters.
摘要:
Antifoams and/or deaerators are based on oil-in-water emulsions which contain, in the hydrophobic oil phase, at least one compound effective as an antifoam and/or deaerator and, if required, further components, the oil-in-water emulsions containing from 0.01 to 3% by weight of a water-soluble, amphiphilic copolymer having acid groups or of a water-soluble salt thereof as a stabilizer.
摘要:
Paper, board and cardboard having high dry strength are produced by the addition of cationic, anionic and/or amphoteric starch as dry strength agents to the paper stock and drainage of the paper stock with sheet formation in the presence of cationic polymers as retention aids for starch, and cationic polymeric retention aids are used for increasing the retention of dry strength agents comprising cationic, anionic and/or amphoteric starch in the production of paper, board and cardboard.
摘要:
The present invention relates to novel oil-in-water dispersions which comprise a) at least one water-insoluble oxygen-containing organic substance which is solid at room temperature and b) at least one amide compound of the formula I, in which the variables R, R1, R2, A, B, X and Z have the meanings given in the description and the claims, and to the use thereof as antifoams and/or deaerators in aqueous systems which have a tendency toward foam formation.
摘要:
A paper size which comprises a stable aqueous dispersion of a reactive size, from 5 to 100% by weight, based on the reactive size, of a substantially linear nitrogen-comprising polymer having at least 3 mmol/g of basic nitrogen atoms, and from 1 to 50% by weight of cationic starch having a degree of substitution of at least 0.05 is described. The paper size has a good sizing effect and a stable viscosity.
摘要:
The invention relates to suspension concentrates of a plant protective agent which comprise alcohol alkoxylate and cyclodextrin. The invention also relates to a method for producing said suspension concentrates and to the use of the suspension concentrates for treating plants and their habitat, and to corresponding methods and spray mixtures containing said suspension concentrate.
摘要:
The invention relates to spiro compounds of the formula (I) and to monolithic materials prepared therefrom by twin ring-opening polymerisation which consist of a porous metal oxide or semimetal oxide framework and are suitable for use as catalyst supports or as supports for active compounds.
摘要:
Paper size mixtures comprising a reactive size dispersed in water and a polymer, which are obtainable by mixing (a) an aqueous dispersion of a reactive size whose dispersed particles have a mean particle diameter of less than 500 nm, the dispersion being obtainable by emulsifying at least one reactive size in water in the presence of at least one surfactant, and (b) at least one emulsion polymer and/or at least one water-soluble polymer which does not have a dispersing effect with respect to reactive sizes and/or a water-dispersible polymer, and use of said paper size mixtures for the engine sizing and surface sizing of paper and paper products.
摘要:
Novel dye salts of anionic dyes of the general formula I ##STR1## where F is a radical of an anionic dye, n is 1, 2, 3 or 4, and B.sup.1 and B.sup.2 independently of one another are each unsubstituted or substituted branched alkyl or alkyl-substituted cycloalkyl having a total of 10 to 36 carbon atoms, are very useful for dyeing solvents, printing inks or polymeric film-forming materials.
摘要:
The present invention relates to a process for producing a nanocomposite material from a) at least one inorganic or organometallic metal phase; and b) an organic polymer phase; comprising the polymerization of at least one monomer M which have at least one first polymerizable monomer unit A which has a metal or semimetal M, and at least one second polymerizable organic monomer unit B which is joined to the polymerizable unit A via a covalent chemical bond, under polymerization conditions under which both the polymerizable monomer unit A and the polymerizable unit B polymerize with breakage of the bond between A and B, the monomers M to be polymerized comprising a first monomer M1 and at least one second monomer M2 which differs at least in one of the monomer units A and B from the monomer M1 (embodiment 1), or the monomers to be polymerized comprising, as well as the at least one monomer M, at least one further monomer other than the monomers M, i.e. a conventional monomer which does not have a monomer unit A and is copolymerizable with the monomer unit B (embodiment 2).