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4861499 |
Water-dispersible hydrophobic thickening agent
An aqueous liquid medium having increased low shear viscosity is provided by dispersing into the aqueous medium (1) a water-soluble polymer having pendant hydrophobic groups, e.g, an...
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4861683 |
Quaternary-containing resin used for magnetic recording media
A resin used for magnetic recording media, comprising a vinyl chloride copolymer containing vinyl monomers with hydroxyl groups and vinyl monomers with quaternary ammonium salt groups as component...
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4861821 |
Copolymers based on ethylenic monomers and methylolphenyl allyl ethers
Copolymers produced from 0.5-20% by weight mono-, bis- or trismethylolphenyl allyl ether (I) of formula: ##STR1## n being from 1 to 3, and from 80-99.5 % by weight ethylenic monomers, at least one...
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4854969 |
Lithographic fountain solutions
Lithographic fountain solutions containing water, one or more nonionic surfactants having an HLB in the range of 1 to 8 and one or more hydrotropes to maintain the surfactant in solution without...
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RE33008 |
Acrylic emulsion copolymers for thickening aqueous systems and copolymerizable surfactant monomers for use therein
Acrylic emulsion copolymers are prepared by emulsion polymerization of (A) a surfactant monomer, (B) an αβ-ethylenically unsaturated carboxylic acid monomer, (C) a nonionicαβ-ethylenically...
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4853450 |
Terpolymer latices
The invention relates to a latex of an α-methylstyrene/acrylonitrile/methacrylamide terpolyer which shows excellent stability to stirring.
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4847143 |
Binder composition and nonwoven fabrics and impregnated papers using the same
A binder composition is disclosed, which comprises: (A) a copolymer emulsion which contains as its essential ingredients vinyl acetate, ethylene, and a monomer represented by the formula (1):...
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4844970 |
Zirconium (III) salts as cure co-catalysts for nonwoven binders comprising acrylamidoglycolic acid
A crosslinkable anionic binder composition which comprises an emulsion copolymer containing acrylamidoglycolic acid (AGA) and a zirconium III salt of an alpha or beta hydroxycarboxylic acid, the pH...
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4845151 |
Thixotropic cyanoacrylate adhesive composition
Adhesive compositions having improved stability and surface insensitivity are made from a blend of (a) a 2-cyanoacrylate ester adhesive, (b) a polyoxyalkylene glycol, glycol ester, or glycol ether,...
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4843118 |
Acidized fracturing fluids containing high molecular weight poly(vinylamines) for enhanced oil recovery
The inverse emulsion polymerization of a monomer of the formula ##STR1## wherein R and R 1 represent hydrogen or a C 1 -C 4 alkyl group, using a surfactant system having a hydrophilic-lipophilic...
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4839414 |
Pigment dispersion and its use
A pigment dispersion and its use for the preparation of coating compounds are described. The dispersion contains a pigment, solvent and pigment dispersing agent. The pigment dispersing agent is a...
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4835206 |
Water soluble polymeric compositions
A homogenous blend is formed of different water soluble polymer types, for instance of particular addition and condensation polymers, by forming one of the polymers from its monomeric starting...
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4833198 |
Suspending agent for the suspension polymerization of water-soluble monomers
A suspending agent useful in a water-in-oil suspension polymerization process comprises a fumed silica particulate having a hydrophobic character and a hydrophobic polymer. The suspending agent is...
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4829121 |
Process for sulfoethylation of high molecular weight acrylamide containing polysoap latex polymers
Improved methods of sulfoethylation of high molecular weight polysoap acrylamide containing polymers to produce sulfoethylated acrylamide polymers in water-in-oil latex form having reduced specific...
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4824901 |
Surface treated absorbent polymers
Surface treating water-absorbent resins with a polyquaternary amine substantially increases both the rate of water absorption and the quantity of water absorbed and retained by the resin. In...
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4822845 |
Rubber compositions modified with heterocyclic di-N-oxides
It now has been found that uncured rubber composition comprising rubbers having an unsaturated carbon chain and at least one carbon black can be improved by including therein, a minor...
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4820742 |
Method for continuous manufacture of solid water absorbing resin
A method and apparatus for continuously manufacturing water absorbing resin. A mixed monomer solution is stored in a storage vessel and a polymerization initiator stored in an initiator storage...
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4818790 |
Room-temperature-curable resin composition
A room temperature-curable resin composition consisting essentially of (A) a vinyl polymer containing a basic nitrogen atom and (B) a compound containing both an epoxy group and a hydrolyzable...
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4816508 |
Stabilized cationic acrylate or methacrylate polymer admixtures
The present invention is directed to an admixture, comprising: (A) a cationic acrylate or methacrylate polymer and (B) 0.1 to 5.0%, by weight, based on the weight of said polymer, of an...
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4812215 |
Low temperature curable aqueous electrodepositable coating compositions
An aqueous, cationically electrodepositable coating composition contains a ternary sulfonium or quaternary phosphonium group containing resin, an aminoplast or phenoplast crosslinking agent and a...
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4812499 |
Self-extinguishing compositions of thermoplastic polymers
Compositions of thermoplastic polymers comprising, in mixture, a thermoplastic polymer and a mixture of self-extinguishability-conferring additives, formed by: ammonium phosphate or ammonium...
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4804793 |
Drilling mud compositions containing high molecular weight poly (vinylamines)
The inverse emulsion polymerization of a monomer of the formula ##STR1## wherein R and R 1 represent hydrogen or a C 1 -C 4 a lkyl group, using a surfactant system having a...
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H000577 |
Aqueous drag reduction with novel acrylamide-N-alkyl acrylamide copolymers
A method for reducing frictional drag of water in flow through pipes comprising adding about 5 to about 100 ppm of a water soluble copolymer to said water, said copolymer having the formula:...
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4795770 |
Cement composition for oil well drilling holes containing high molecular weight poly (vinylamines)
The inverse emulsion polymerization of a monomer of the formula ##STR1## wherein R and R 1 represent hydrogen or a C 1 -C 4 alkyl group, using a surfactant system having a hydrophilic-lipophilic...
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4795762 |
Water-swellable composition, synthesis and use thereof
A new water-swellable composition of a gelling agent based on hydrolyzed homo- or copolymers of acrylonitrile and of an inert metal oxide was synthesized. In the process, 1 to 22% of the nitrile...
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4794139 |
Thixotropic thickening agent for aqueous systems
This invention relates to a thixotropic thickening agent and to a process for preparing the same. Such thixotropic thickening agents are particularly useful for thickening water reducible coatings....
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4792343 |
Dispersing agents
A dispersing agent for particles in aqueous media comprises a copolymer formed from ethyleneically unsaturated monomers including a water-soluble monomer and a monomer carying a pendant group A m ...
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4789695 |
Blends of acrylamide polymers and Mannich bases
A Mannich base of a high molecular weight acrylamide polymer can be made by reacting, in aqueous solution, the polymer with a Mannich base of a low molecular weight compound such as urea. A...
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4788008 |
Flame retardant vinylidene chloride latexes and coatings thereof
A latex copolymer composition is produced having good flame retardancy. The copolymer is typically made from vinylidene chloride monomers, conjugated diene monomers, vinyl substituted aromatic...
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4783500 |
"Living" polymers and process for their preparation
"Living" polymers and their preparation from acrylic-type or maleimide monomers and organosilicon, -tin or -germanium initiators.
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4781921 |
Hydrogels of quadrol methacrylate polymers
Acrylate and methacrylate monoesters and diesters having the following formula (I) ##STR1## wherein R 1 , R 2 , R 3 are as defined in the specification, are disclosed. These monomers are...
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4778836 |
Process for dispersing polymer gel particles in aqueous medium
A water soluble or swellable polymer gel is dispersed into a liquid phase to form a fluid composition and is worked while in that composition. The liquid phase is an aqueous solution of an...
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4777204 |
Gear comprising fiber-reinforced anisotropic melt-forming polymer formed via injection molding under specified conditions
A resin composition is suitable for molding to a gear and comprises 30 to 98 percent by weight of a resin being capable of the anisotropic phase in the molten state and the melt processing and 2 to...
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H000534 |
Laser energy attenuation paint
The present invention relates to a laser energy attenuation paint compris a laser absorption dye in combination with a resin base in a solvent.
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4772518 |
Water reducible acrylic polymer for printing of paper and polyvinyl chloride
Disclosed herein is an acrylic polymer containing an N-methylolamide group an amine group and an acid group; said polymer is useful in inks or varnishes that can be applied effectively to varied...
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4771094 |
Compositions for suspending solid particles in aqueous media
A stable aqueous slurry of particles which comprises: TBL ______________________________________ Ingredient % by weight ______________________________________ water 40-60...
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4768523 |
Hydrogel adhesive
An improved hydrogel adhesive, particularly adapted for adhesion and contact to tissue. It is especially useful in attaching electrical leads to tissue, for example in attaching pacemaker leads to...
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4766027 |
Method for making a ceramic multilayer structure having internal copper conductors
The method is directed to a method of forming a hermetic flux-sintered ceramic multilayer structure with internal copper conductor comprising: (a) forming at least one green ceramic layer...
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4765923 |
Composition for reducing color contamination of influent water
Methods and compositions for reducing organic color contamination in influent water are disclosed. The methods comprise adding to the influent water powdered activated carbon and a water soluble or...
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4762867 |
Cement mortar and concrete with a reduced water absorption and a method for manufacture thereof
A cement mortar and concrete having a reduced water absorption and with a density of 2000-2500 kg/m 3 , at which it calculated on the amount of cement contains 0.2-10% by weight of a polymer in...
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4762703 |
Nitrocellulose free nail lacquer composition
The invention relates to nitrocellulose free nail lacquer compositions comprising copolymers of hydrophobic and hydrophilic monomers, in suitable carriers. The nail lacquer compositions may be...
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4760110 |
Process for preparing anionic acrylic latex compositions
Disclosed herein is an improved process for preparing anionic acrylic latex composition which contains copolymers containing effective amounts of acid groups and amino groups.
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4756756 |
Forming of thick-layer, hybrid electronic printed circuits
Thick-layer hybrid electronic printed circuits are formed by printing predetermined circuit pattern onto an insulating substrate by deposition of predetermined ink pattern thereupon, advantageously...
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4757098 |
Stabilized solutions of radiation-crosslinkable polymer precursors of highly heat-resistant polymers
Stabilized solutions of radiation-crosslinkable polymer precursors of highly heat-resistant polymers, containing chelate complex-formers as stabilizers, do not tend to gel through premature...
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4752523 |
Consolidated impregnated web and process
A consolidated web may be produced by impregnating it with a compound of latex of a polymer comprising from about 10 to about 45 weight percent of a C 3 -6 alkenyl nitrile; from about 36 to 85...
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4751263 |
Curable molding compositions containing a poly(acrylate)
Described herein are curable molding compositions comprising a mixture of: (a) a poly(acrylate) characterized by the following empirical formula: ##STR1## wherein R is the hydroxy-free residue...
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4749592 |
Grouting composition
A grouting composition for sealing structures to inhibit water leakage therethrough and for stabilizing soil is provided. The composition is provided as a two-part system. Part A is an aqueous...
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4742147 |
Liquid, solventless, complex polymeric compositions, thermosetting at ambient temperatures through addition polymerization mechanisms
Liquid, solventless, complex polymeric compositions are provided which thermoset at ambient temperatures through addition polymerization. In a preferred embodiment, a two component system includes...
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4742086 |
Process for manufacturing porous polymer
The present invention provides a process for manufacturing a porous polymer containing many voids in its interior, which has a small apparent specific gravity and is superior in terms of water...
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4740319 |
Oil base drilling fluid composition
This invention relates to an improved oil-base drilling fluid composition and its use. The improved oil-base drilling fluid composition of this invention is characterized by thixotropic properties...
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