摘要:
The physical and chemical properties of a pigment-containing, water-based lacquer dispersion are improved by adding thereto a partial ester of an oligoglycerol obtained by condensation of 2 to 20 moles of glycerol with a C.sub.2 -C.sub.18 fatty acid. The partial ester may be ethoxylated and/or propoxylated, and the fatty acid may be hydroxy substituted.
摘要:
An unsaturated polyester, preferably having a stellate molecular structure, with a polyol center and monohydric alcohol connected to the polyol hydroxy moieties through a di- or tri- carboxylic acid link, as well as a process for its synthesis, and use of the compounds in air-drying lacquer binders.
摘要:
A process for preparing alkyd resin emulsions where a precondensate is further condensed to an acidic precondensate which is esterified to yield a resin which is then emulsified, and the products of this process.
摘要:
Air-drying lacquer binder of a ring-opening product of (I) an epoxidized polyoctenylene or cylco-octene-cycloene copolymer having an average molecular weight of from 600 to 3000 and (II) one or more of (a) an unsaturated carboxylic acid containing from 6 to 22 carbon atoms, (b) an alcohol containing from 2 to 6 hydroxy groups (c) a hydroxyalkylamine containing at least one hydroxyalkyl group, the hydroxy groups of the alcohols (b) and the hydroxyalkylamines (c) being esterified with an unsaturated carboxylic acid containing from 6 to 22 carbon atoms to an OH number of less than 25, and wherein the ring opening product has an average molecular weight of from 1500 to 10,000 and an acid number of from 0.1 to 20. The invention also relates to a process for producing this lacquer binder and to its use in high-solids lacquer systems.
摘要:
A method of using compositions as foam regulators for water-based systems with a tendency to foam is provided. The method employs a block copolymer containing ester groups corresponding to general formula (I): A--(CH.sub.2 CH.sub.2 O).sub.n --B (I) in which n is an integer of 4 to 300, A is an optionally polymeric hydroxycarboxylic acid function and B is hydrogen, an alkyl or alkenyl radical containing 1 to 22 carbon atoms, a phenyl or benzyl radical or has the same meaning as A. Also provided is a granular free-flowing foam regulating formulation which contains 0.5% by weight to 30% by weight of the block copolymer containing ester groups adsorbed onto from 70% by weight to 99.5% by weight of a granular, substantially inorganic phosphate-free support material.
摘要:
This invention includes new water-dilutable binder mixtures based on alkyd resins modified by poly{ethylene glycol} and poly{N-acyl alkylene imines}, a process for preparing such binder mixtures, and the use of such binders in oxidatively drying paints and varnishes.
摘要:
A binder mixture for stoving lacquers comprising A) at least one alkyd resin; and B) at least one poly-N-acyl alkyleneimine prepared by cationic polymerization of a monomer mixture ofa) from 10 to 90% by weight of at least one monomer corresponding to formula (I): ##STR1## in which Z is a direct bond or the group CR.sup.5 R.sup.6, R.sup.1 to R.sup.4 can be the same or different and represent H or a C.sub.1-8 alkyl group, R.sup.5 and R.sup.6 can be the same or different and represent H or a C.sub.1-2 alkyl group, R.sup.7 is a hydroxyl-containing alkyl or alkylene group of a hydroxycarboxylic acid containing 2 to 32 carbon atoms,b) from 90 to 10% by weight of at least one monomer corresponding to formula (II): ##STR2## in which Z and R.sup.1 to R.sup.6 are as defined above and R.sup.8 is the radical of an aromatic monocarboxylic acid, andc) from 0 to 80% by weight of at least one monomer corresponding formula (III): ##STR3## in which Z and R.sup.1 to R.sup.6 are as defined above, and R.sup.9 represents a non-hydroxy-substituted aliphatic radical of a carboxylic acid. The invention also relates to stoving lacquers containing the above binder mixture.
摘要:
A leveler coating composition comprising a water-dilutable polyurethane aqueous dispersion having a solids content of 10-50% by weight and a viscosity of 10-50,000 mPa.s; a process for manufacturing the coating; and a method for using it in automotive finishes.
摘要:
A process for producing coating compositions involving: (a) providing a reactive diluent, (b) providing an inert solvent, (c) providing a polymeric polyol, (d) providing an isocyanate, (e) reacting (a)-(d) in a reactive diluent comprising a ring opening product of a carboxylic acid ester epoxide with a dihycric or higher alcohol.
摘要:
Fungicidal solutions containing 2,4,5,6-tetrachloroisophthalodinitrile are provided. The solutions are prepared by dissolving from 5% to 12% by weight of 2,4,5,6-tetrachloroisophthalodinitrile in 1,3-dimethyl-2-imidazolidinone. The solutions are clear and can be stirred without streaking or sedimentation into water-based paints or lacquers or solvent-containing paints or lacquers.