摘要:
A process for improving the dispersibility of inorganic and organic pigments and fillers which comprises contacting said pigments and fillers with (a) aminoalkanols of the formulae ##STR1## wherein R.sub.1 is alkyl having 6 to 22 carbon atoms, R.sub.2 is hydrogen or methyl, provided there is only one methyl group per (CH).sub.x group, R.sub.3 and R.sub.4 are the same or different and are hydrogen, alkyl having 1 to 4 carbon atoms or hydroxyalkyl having 2 to 4 carbon atoms, x is an integer of from 2 to 6 and y is an integer of from 0 to 3, with the proviso that, if y is 0, R.sub.3 and R.sub.4 are not both hydrogen, or (b) salts, (c) alkoxylation products, and (d) quaternization products of said aminoalkanols, and recovering highly dispersible pigments and fillers.
摘要:
A process for improving the dispersibility of inorganic and organic pigments and fillers which comprises contacting said pigments and fillers with (a) a mixture of aminoalkanols of the formulae ##STR1## wherein R.sub.1 and R.sub.2 are alkyl having 1 to 21 carbon atoms, the sum of the carbon atoms in R.sub.1 and R.sub.2 being 6 to 22, R.sub.3 is hydrogen or methyl, provided there is only one methyl group per (CH).sub.x group, R.sub.4 and R.sub.5 are the same or different and are hydrogen, alkyl having 1 to 4 carbon atoms or hydroxyalkyl having 2 to 4 carbon atoms, x is an integer of from 2 to 6 and y is 0,1,2 or 3, the R.sub.1 --CH--CH--R.sub.2 units in the aminoalkanols being of at least two different chain lengths of from 8 to 24 carbon atoms and the vicinal substituents being distributed statistically along said chain lengths, with the proviso that, if y is 0, R.sub.4 and R.sub.5 are not both hydrogen, or (b) salts, (c) alkoxylation products, and (d) quaternization products of said aminoalkanols, and recovering highly dispersible pigments and fillers.
摘要:
In the process for the preparation of high concentration, low-viscosity liquid pigment pastes comprising mixing pigments, a substantially non-volatile liquid organic media, a suspension assistant, and, optionally, fillers, the improvement consisting of using acidic reaction products of the reaction of:(A) unsaturated dicarboxylic acid compounds, and(B) an unsaturated ester of a dicarboxylic acid, which reaction product is produced by heating said component A and said component B in a weight ratio of 1:7 to 1:35 for from 1 to 25 hours at a temperature in the range of 200.degree. to 250.degree., as said suspension assistant;as well as the high concentration, low-viscosity pigment pastes and solutions of said acidic reaction products in organic liquid media.
摘要:
Dispersion adjuvants are described comprising .beta.-hydroxyalkyl esters of the formula ##STR1## wherein the R.sub.1 and R.sub.2 represent hydrogen or alkyl with 1 to 21 carbon atoms, in which at least one of R.sub.1 and R.sub.2 is alkyl and the sum of the carbon atoms in R.sub.1 and R.sub.2 ranges from 6 to 22, and wherein R.sub.3 represents alkyl with 1 to 8 carbon atoms, optionally substituted with 1 to 2 hydroxyl groups and/or interrupted by 1 to 2 ether bridges, as well as the adducts of compounds of Formula I with alkylene oxides, preferably ethylene oxide and/or propylene oxide. The dispersion adjuvants are coated on pigment and filler materials for paints and lacquers. The coating is applied before or during the dispersion of the materials in the paint or lacquer media or vehicle.
摘要:
Method for providing corrosion protective coatings for metal surfaces. The coatings contain conventional coating components to which are added at least one zinc or lead salt of five- or six-membered heterocyclic compounds substituted by at least one hydroxyl or mercapto group and the ring includes at least one nitrogen atom and at least two conjugated double bonds, of which at least one has the formation. ##STR1## as corrosion inhibitors.
摘要:
Copolymers of long-chain alkyl acrylates corresponding to the following formulaCH.sub.2 .dbd.CR.sup.1 --CO--OR.sup.2 (I)in which R.sup.1 is a hydrogen atom or a methyl group and R.sup.2 is the residue of a C.sub.16-34 fatty alcohol, with N-containing olefins containing acrylate or methacrylate functions can be used as flow control agents for powder coatings.
摘要:
In a stabilized polyvinyl chloride molding mixture containing a stabilizer combination based upon alkali metal, alkaline earth metal, and/or zinc soaps, co-stabilizers, powdered, crystalline, hydrous aluminosilicate, and flow promoters, as well as optionally additional conventional additives, the improvement which comprises, per 100 parts by weight of polyvinyl chloride,(a) from about 0.2 to 5 parts by weight of a synthetic, crystalline, powdered alkali metal aluminosilicate containing from about 13 to 25 percent by weight of water of crystallization; and(b) from about 0.1 to 5 parts by weight of at least one co-stabilizer selected from the group consisting of .beta.-diketones, .alpha.-ketoenol esters, .alpha.-acyllactones, substituted 1,4-dihydropyridine-3,5-dicarboxylic acids, and pyrrole, the pyrrole being unsubstituted or substituted.
摘要:
This invention is directed to water-dilutable alkyd and acrylate resins. More particularly, this invention is directed to a method for the preparation of water-dilutable resin preparations based upon alkyd and acrylate resins which comprises the steps of:(a) preparing an aqueous alkyd resin dispersion, wherein the alkyd resin has an acid number of from about 5 to 40 and a hydroxyl number of from about 150 to 300 and the dispersion has a solids content of from about 30 to 90 percent by weight; and(b) polymerizing monomers of acrylic acid derivatives or methacrylic acid derivatives in the dispersion from step (a), optionally in the presence of additional water, to obtain a total solids content of from about 30 to 80 percent by weight, the weight ratio of alkyd resin to acrylate resin being from about 1:4 to 9:1.This invention is also directed to the use of these binders in water-dilutable lacquer systems.
摘要:
Water-in-oil emulsions containing from 2 to 20% by weight of polymeric emulsifiers comprising statistical copolymers composed of units of the general formulae ##STR1## in the molar ratio of (I) to (II) of 2:1 to 20:1; wherein X is hydrogen or methyl, R.sub.1 is alkyl having 6 to 24 carbon atoms and R.sub.2 is ##STR2## 20 to 75% by weight of water; and the remainder to 100% by weight of conventional oily substances used in cosmetic emulsions.
摘要:
Reaction products of glycidyl (meth)acrylate with half esters containing carbonate groups are components of anaerobically-setting adhesive compositions based on (meth) acrylic esters and organic peroxides.