|| List of recent Acrylic-related patents
|Process for producing acrolein, acrylic acid and derivatives thereof|
A process for producing acrolein, comprising: a glycerin dehydration step of conducting dehydration reaction of glycerin to obtain an acrolein-containing gas; a partial-condensation step of cooling the acrolein-containing gas to condense a part of acrolein, water and a high-boiling substance contained in the acrolein-containing gas, thereby obtaining a purified gas and a condensate; and a separation step of separating the purified gas from the condensate; wherein a polymerization inhibitor is added to the acrolein-containing gas or the condensate in the partial-condensation step.. .
|Resins of b-hydroxy propyl gamma-polyoxyalkylene ethers and polymers thereof|
The present invention provides aqueous compositions comprising β-hydroxy propyl gamma-polyoxyalkylene ether functional resins chosen from (poly)oxyalkylene ether β-hydroxy propyl (meth)acrylates, maleates and itaconates, water soluble copolymers thereof, and mixtures thereof. The water soluble copolymers are comb polymers and (meth)acrylate, maleate and itaconate monomer resins can be addition polymerized to form comb polymers suitable for many uses, such as superplasticizers, dispersants, detergents and floor care compositions.
|Acrylic block copolymers|
Acrylic block copolymers are described which are inherently tacky. Also described are compositions of the copolymers which exhibit properties enabling their use as pressure sensitive adhesives, without addition of tackifiers and/or subsequent processing..
|Flourinated silane-modified polyacrylic resin|
A fluorinated silane-modified polyacrylic resin comprising: (a) 1% to 50% by weight of at least one acrylic ester monomer; (b) 1 to 50% by weight of an ethylenically unsaturated monomer; (c) 1% to 50% by weight of an organofunctional silane monomer; and (d) 0.1% to 50% by weight of a fluorine-containing monomer.. .
|Composition and method for providing stain release or stain repellency to substrates|
The present invention provides a composition for treatment, the composition comprising dispersed in water (i) a fluorinated compound, (ii) a potassium or lithium silicate and (iii) an acrylic polymer. The invention further provides a method of treating substrates with the composition..
|Expoxyfluorosilicones and modified polyacrylic resins for coating compositions|
The present invention is directed to a resin composition, comprising a blend of: (1) an epoxy polysiloxane resin; (2) an epoxyfluorosilicone resin; and (3) a fluorinated (or non-fluorinated) silane-modified polyacrylic resin. Further, the present invention is directed to a coating composition comprising the above resin blend composition and a curing agent.
|Poly((meth)acrylic acid-b-styrene-b-butadiene-b-styrene) block copolymer latex and method for preparing the same|
The present invention discloses a poly((meth)acrylic acid-b-styrene-b-butadiene-b-styrene) block copolymer latex and a method for preparing the same. The poly((meth)acrylic acid-b-styrene-b-butadiene-b-styrene) block copolymer latex is directly and stably obtained by emulsion polymerization in the presence of an amphiphilic macromolecule reversible addition fragmentation chain transfer agent as both chain transfer agent and reactive emulsifier.
|Paste for producing bone cement|
A paste is provided from which bone cement can be formed, which is to the largest extent possible bubble-free and has a high impact strength. The paste includes (i) 15-50 weight percent of at least one mono-functional, hydrophobic methacrylic acid ester, (ii) 40-85 weight percent of at least one filler, (iii) 0.01-4 weight percent of at least one radical initiator soluble in the methacrylic acid ester (i) and having at least one peroxide group, (iv) 0.01-4 weight percent of at least one radical initiator soluble in the methacrylic acid ester (i) and having no peroxide groups, (v) 0.000001-3 weight percent of at least one accelerator soluble in the methacrylic acid ester (i) and capable of forming radicals from the radical initiators according to (iii) and (iv), (vi) 0.001-5 weight percent of at least one halide salt, and (vii) 0.2-3 weight percent of at least one cross-linking agent..
|Cationic uv-crosslinkable acrylic polymers for pressure sensitive adhesives|
An ultraviolet (uv) crosslinkable acrylic pressure sensitive adhesive comprises an acrylic copolymer and a cationic photoinitiator. The acrylic copolymer comprises pendant reactive functional groups.
|Water-proof coating system for reflecting solar radiation and water-borne coatings for forming the white decorative and reflective layer in the coating system|
A water-proof coating system for reflecting solar radiation, which comprises optionally a base layer on a substrate and a reinforcing layer on the base layer; a white reflective and water-proof layer on the substrate or on the reinforcing layer; and a white decorative and reflective layer on the white reflective and water-proof layer; wherein the decorative and reflective layer is formed from a water-borne coatings comprising acrylic polymers, white infrared-reflective pigments and uv cross-linking agents. Water-borne coatings for forming the white decorative and reflective layer in the coating system, which comprise acrylic polymers, white infrared-reflective pigments and uv cross-linking agents.
|Self healing salt water barrier|
Geocomposite articles that can provide a barrier against high conductivity water e.g., ocean water, are described and their method of manufacture, for waterproofing surfaces that contact high conductivity water. The geocomposite article mat includes a woven or non-woven geotextile sheet or mat containing a powdered or granular partially cross-linked acrylamide/acrylate/acrylic acid copolymer across its entire major surface(s).
|Method for producing toner particles|
A method for producing toner particles that contain a binder resin having a styrene-acrylic resin as a main component, a colorant, and a block polymer that has polyester segments and vinyl polymer segments, has a step of producing resin particles in accordance with a suspension polymerization method or a dissolution suspension method, and thereafter, holding the temperature of the aqueous medium in which the resin particles are dispersed, for 60 minutes or more, between a glass transition point tga (° c.) of the resin particles and an onset temperature tma (° c.) of an endothermic peak derived from the block polymer in the resin particles, in such a manner that a temperature fluctuation rate not greater than 0.35° c./minute, and a temperature fluctuation range is not greater than 20° c.. .
|Adhesive for polarizing plate, and polarizing plate comprising the same|
Provided are an adhesive for a polarizing plate and a polarizing plate comprising the same, and more particularly, an adhesive composition for a polarizing plate comprising one or more acrylic monomers having a hydrophilic group, a radical polymerization initiator, an epoxy resin, and a cationic photopolymerization initiator, as well as a polarizing plate comprising a polarizer, a polymer film adhered to one side or both sides of the polarizer, and an adhesive layer for bonding the polarizer and the polymer film, in which the adhesive layer is formed of an adhesive composition comprising one or more acrylic monomers having a hydrophilic group, a radical polymerization initiator, an epoxy resin, and a cationic photopolymerization initiator.. .
|Pressure-sensitive adhesive composition, and pressure-sensitive adhesive sheet|
Provided is a water-dispersible acrylic pressure-sensitive adhesive composition which can form a pressure-sensitive adhesive layer excellent in antistatic property, repeeling property (light peeling property), and appearance property. The repeelable water-dispersible acrylic pressure-sensitive adhesive composition of the present invention contains an acrylic emulsion-based polymer composed of 70 to 99.5% by weight of a (meth)acrylic acid alkyl ester and 0.5 to 10% by weight of a carboxyl group-containing unsaturated monomer as monomer components, a crosslinking agent, an ionic compound, and a nonionic surfactant with an hlb value of 6 or more..
|Radiation curable pressure sensitive adhesive sheet|
To provide a radiation curable pressure sensitive adhesive sheet capable of yielding both a pressure sensitive adhesive sheet with good initial adhesion to an adherend before irradiation and a pressure sensitive adhesive sheet with good rigidity after irradiation. A radiation curable pressure sensitive adhesive sheet includes a (meth)acrylic copolymer having a radiation reactive site and a plasticizer capable of bonding with the (meth)acrylic copolymer upon being irradiated..
|Decorative sheet for three-dimensional molding and method for producing same, and decorative molded article using decorative sheet and method for producing same|
The decorative sheet for three-dimensional molding includes a thin metal film layer, a surface protection layer, and a base film, at least the thin metal film layer and the surface protection layer being disposed on the base film in this order, in which the surface protection layer consists of a cured material of an ionizing radiation curable resin composition containing a polycarbonate(meth)acrylate and/or an acrylic silicone (meth)acrylate. The decorative sheet for three-dimensional molding, which has excellent moldability, provides a decorative molded article with a metallic style in excellent design and with excellent abrasion resistance..
|Dry bonding acrylate adhesive layers|
A radiation curable adhesive comprising (i) (meth)acrylic monomer(s) and/or oligomer(s), wherein said (meth)acrylic monomers or oligomers comprise 5 to 50 wt % of esters of (meth)acrylic acid with polyetherpolyols having the formula ho—((ch2)m—o)n—x wherein m=2, 3 or 4; n=2 to 50; x=h, linear, branched or aromatic c1 to c12-alkyl, the ester having a molecular weight from 150 to 2000 g/mol; (ii) non-reactive (co)polymer(s) based on unsaturated monomers, wherein said unsaturated monomers are selected from vinyl esters, (meth)acrylate esters and c2 to c8 unsaturated olefins, the (co)polymer having a molecular weight from 5000 g/mol to 500000 g/mol, such adhesive can form a solid adhesive layer after being cross-linked by radiation, the layer has a non tacky surface but can be adhesively bonded under pressure to a second layer of the adhesive.. .
|Polymers useful in agricultural applications|
Methods of coating seeds with polymers and seeds coated with such polymers are disclosed herein. The polymers can be phosphonates, sulfonates, polymers of ethylenically unsaturated carboxylic acids, polyaminopolyethermethylene phosphonate, polysuccinic oligomers, acrylic acid/2-acrylamido-2-methylpropane sulfonic acid, blends of acrylic acid/2-acrylamido-2-methylpropane sulfonic acid with polyaminopolyethermethylene phosphonate, sulfomethylated acrylic acid/acrylamide, blends of sulfomethylated acrylic acid/acrylamide with polyaminopolyethermethylene phosphonate, polymaleic acid, acrylic acid/acrylamide copolymers, polyacrylic acid, trimethylglycine hydrochloride, blends of polyaminopolyethermethylene phosphonate with trimethylglycine hydrochloride, and any combination or salt of such polymers.
|Resin material and protective film|
Disclosed is a resin material which is formed by polymerization of an acrylic resin containing a side chain having a hydroxyl group and a side chain having a fluorine atom, at least one kind of polyol having a weight-average molecular weight from 300 to 5000 and selected from compounds represented by the following formula (a), and an isocyanate.. .
|Polyacrylic acid-based water-absorbing resin powder and method for producing the same|
A method for producing a polyacrylic water-absorbent resin powder includes the steps of: producing an acrylic monomer solution in which gas is dissolved and/or dispersed; polymerizing the monomer solution in the absence of a surface active agent or in the presence of not more than 300 ppm of a surface active agent; during or after polymerizing, fragmenting the resulting hydrated gel crosslinked polymer; and drying the fragmented hydrated gel crosslinked polymer, the gas being dissolved and/or dispersed in the monomer solution by (a) applying pressure to the acrylic monomer solution and the gas; (b) creating swirling flows of the acrylic monomer solution and the gas; or (c) introducing the gas with the acrylic monomer solution via fine holes. The production method efficiently produces a water-absorbent resin having an excellent water-absorption rate without deteriorating a liquid-absorbent property of a sanitary product or the like..
|Acrylic adhesive composition and polarizer film using the same|
An adhesive composition includes an acrylic copolymer having at least one alkyl group, at least one hydroxyl group, and at least one furyl based group; and a curing agent.. .
|Associative acrylic thickening agent containing polyglycerols and its use to increase the open time of thin or thick films|
The present invention relates to new acrylic associative thickening agents which, when polymerized in the presence of particular polyglycerols, ultimately result in an increase of the open time of the paint or of the thick coating in which they are incorporated. By so doing, painters and applicators will have more time to work the paint layers gradually or to correct imperfections such as paint droplets, traces of brushes and filling-knives..
|Composition and coating for hydrophobic performance|
The present disclosure describes compositions comprising an acrylic polymer binder and nano-particles less than about 100 nm that provide a hydrophobic or superhydrophobic coating that may also display oleophobicity. The coating composition may advantageously be prepared using voc exempt compounds that are compatible with a variety of surface materials including many electronic components.
|Coating compositions containing acrylic and aliphatic polyester blends|
Disclosed are solvent borne thermosetting coating compositions containing curable, aliphatic polyesters, acrylic copolymers, crosslinkers, and nonaqueous solvents. The aliphatic polyesters contain 2,2,4,4-tetramethyl-1,3-cyclobutanediol.
|Non-halogen flame retardant polymers|
Non-halogenated monomers that can be polymerized into flame retardant polymers, and processes to produce the monomers and polymers is provided. In a simplest aspect, there is provided a monomer composition that can comprise a) a group derived from one of a (meth)acrylic acid, (meth)acrylamide, or vinylbenzene, b) a polyphosphate moiety, and c) an amine species.
An adhesive that displays high adhesive strength to polyolefin materials, has a curing rate that is sufficiently fast for practical use, and also displays good adhesive strength to general use materials includes a moisture curing resin composition including a copolymer having a hydrolytic silyl group, the copolymer including a (meth)acrylic acid alkylester monomer unit with an alkyl group having from 1 to 8 carbons and a (meth)acrylic acid alkylester monomer unit with an alkyl group having not less than 10 carbons, and an oxyalkylene polymer having a hydrolytic silyl group; a chlorinated polyolefin; a hydrolytic silane having not less than two phenyl groups as organic groups; and a tackifying resin that has compatibility with the moisture curing resin composition and that is solid at 25° c. Wherein a content of the hydrolytic silane is more than 0 parts by mass and not more than 9 parts by mass per 100 parts by mass of the moisture curing resin composition..
|Corrosion, chip and fuel resistant coating composition|
The present invention relates to a coating composition comprising an acrylic resin a with a glass transition temperature of 35° c. Or higher and molecular weight of at least 35,000 g/mol; an acrylic resin b with a glass transition temperature of 57° c.
|Method and device for industrially producing photovoltaic concentrator modules|
The invention relates to a device for industrially producing photovoltaic concentrator modules which consist of a module frame, a lens pane comprising a plurality of fresnel lenses, a sensor-carrier pane, and an electric line guide, said device comprising the following features: a) a carriage (30) for retaining a module frame (1) in a tension-free manner by means of clamping elements (31) on the two longitudinal sides and stop elements (37) on the two transverse sides, these clamping elements (31) being adjusted by displacing and rotating a shift rod (32), b) a device (47) for punctually applying acrylic and linearly applying silicone (48) onto the support surfaces of the module frame (1), c) one device for laying the sensor-carrier pane (3) and one for laying the lens pane (2), these panes being conveyed in a tension-free manner using special suction devices (39) and being set down with a centrally-positioned, predetermined contact pressure, d) a device for measuring the position of each pane and for positioning the sensor-carrier pane (3) or lens pane (2), e) a device for finely-adjusting said lens pane (2) relative to cpv sensors (4) of the sensor-carrier pane (3), a voltage being supplied to selected cpv sensors whereupon the light emitted therefrom via the fresnel lenses (5) is sensed and the lens pane (2) is aligned such that the emission from particularly strategically important fresnel lenses (5) is at a maximum, f) a device for curing the applied silicone between the module frame (1) and the pane in question, using a plurality of uv light-emitting elements (40), and g) devices for conveying the workpieces to be processed.. .
|Reactive uv absorber, making method, coating composition, and coated article|
Novel uv absorbers of benzotriazine type having a plurality of (meth)acryloxy groups have a uv absorbing capacity and a high solubility in multifunctional (meth)acrylate. By combing the (meth)acrylic functional uv absorber with various binder precursors such as photo-curable multifunctional (meth)acrylate, there are obtained coating compositions having improved crosslinking density, uv absorbing capacity, anti-bleeding property, and shelf stability..
|Antistatic pressure-sensitive adhesive sheet and optical film|
Provided is an antistatic pressure-sensitive adhesive sheet and an optical film, excellent in antistatic properties, adhesive properties, heat resistance, and low staining properties, and capable of preventing adhesion of dirt and dust in particular and destruction of electronic components due to static electricity. Disclosed is an antistatic pressure-sensitive adhesive sheet having an antistatic substrate film; and a pressure-sensitive adhesive layer on at least one side of the antistatic substrate film, wherein the pressure-sensitive adhesive layer is formed of an antistatic pressure-sensitive adhesive composition containing a (meth)acrylic-based polymer containing a reactive ionic liquid as a monomer unit..
|Surface protection film|
A surface protection film contains a urethane resin formed by polymerizing an acrylic resin having a hydroxyl group at a side chain and an isocyanate, and has a martens' hardness of 50 n/mm2 or less and a surface roughness ra measured based on jis-b0601 of from 0.05 μm to 1.0 μm.. .
|Adhesive composition, polarizing plate and liquid crystal display device comprising the same|
The present invention discloses an adhesive composition, and a polarizing plate and liquid crystal display device including the same. More particularly, there are provided an adhesive composition which includes an acrylic copolymer having a functional group cross-linkable with isocyanate, a toluene diisocyanate-based cross-linking agent and an organic acid stabilizer, to inhibit a change in viscosity so as to improve storage stability and assure a sufficient pot-life, which in turn, improves process stability but reduces a curing time, thereby enhancing productivity, as well as a polarizing plate and liquid crystal display device including the same..
|Device and method for characterizing solid matter present in liquids|
The present invention relates to a device, system and method to measure tackiness of a substance, such as pulp, with an on-line or an in-line sensor having a transparent plate with a surface where tacky particles can attach. Attached particles are identified by a camera behind the plate.
|Method for reducing negative effects of adhesive contaminants in systems of subtances comprising waste paper|
The invention relates to a method for reducing the negative effects of adhesive contaminants in the processing of waste paper, wherein an aqueous polymer dispersion comprising one component a and one component b for coagulation and detackification of stickies is added during the processing of waste paper, wherein component a is a homo- and/or copolymer of methyl methacrylate, acrylate and/or styrene and component b is a styrene copolymer having acrylic acid, maleimide and/or maleic acid hydride. The polymer dispersion can optionally comprise another component c, a cationic fixing agent that supports the coagulation of the stickies..
|Photocurable resin composition and method of manufacturing image display device using the same|
A photocurable resin composition contains an acrylate-based oligomer component as component (a), an acrylic-based monomer component as component (b), a plasticizer component as component (c), and a photopolymerization initiator component as component (d). The total amount of the component (a) and the component (b) contained in the photocurable resin composition is 25 to 80% by mass, and the amount of the plasticizer component as the component (c) contained in the photocurable resin composition is 65 to 10% by mass.
|Surface treated staples, sutures and dental floss and methods of manufacturing the same|
A variety of medical devices including staples sutures and dental floss with surface treatment on at least one tissue-facing surface to improve biologic function such as to control tissue adhesion are disclosed including heparin surface treatment which provides heparin present in an amount to yield heparin bioactivity of at least one of i) an atiii binding of at least 2 pmol/cm2, and ii) a thrombin deactivation of at least 0.2 iu/cm2; an acrylic surface treatment for coupling thereto of a heparin surface treatment, a collagen surface treatment or both; and an amino-functional polysiloxane surface treatment for coupling thereto of a heparin surface treatment.. .
|Process for preparing n-alkyl(meth)acrylamides|
The invention relates to a process for preparing n-alkyl(meth)acrylamides by reacting (meth)acrylic anhydride with corresponding alkylamines.. .
|Microorganisms and methods for enhancing the availability of reducing equivalents in the presence of methanol, and for producing 3-hydroxyisobutyrate or methacrylic acid related thereto|
Provided herein is a non-naturally occurring microbial organism having a methanol metabolic pathway that can enhance the availability of reducing equivalents in the presence of methanol. Such reducing equivalents can be used to increase the product yield of organic compounds produced by the microbial organism, such as 3-hydroxyisobutyrate or maa.
A composition comprising particulate solid (typically a pigment or filler), an organic medium (typically the organic medium may be a plastics material or an organic liquid) and a polyacrylic-acid-containing copolymer.. .
|Acrylic polymers containing metallic nanoparticles|
Methods of forming antimicrobial polymeric materials comprising metallic nanoparticles are disclosed. Such methods generally comprise: combining a metal-containing material with a resin in situ; and curing the resin in the presence of a metal-containing material.
|Device for transdermal administration of drugs including acrylic polymers|
A transdermal delivery system is provided where the drug delivery rates, onset and profiles of at least one active agent are controlled by selectively manipulating the monomeric make up of an acrylic-based polymer in the transdermal drug delivery system. The drug carrier composition may be comprised of (a) one or more acrylic-based polymers having one or more different monomers selected from the group consisting of hard and soft monomers; (b) one or more silicone-based polymers; and (c) one or more active agents where the device provides a desired solubility for the active agent and controls drug delivery rates, onset and profiles of at least one active agent..
|Flexible laminate film|
A flexible, calenderable film exhibiting enhanced durability under external weathering conditions. The film comprises predominantly a base layer of a graft copolymer of vinyl chloride on polyacrylate laminated with an acrylic based protective layer.
|Durable, heat resistant, erasable release coatings, release coated substrates, and their methods of manufacture|
Methods are generally disclosed for forming and using a release sheet. To form the release sheet, a release coating is applied over a first surface of a base sheet.
|Diaphragm and speaker using same|
A diaphragm is disclosed in the present disclosure. The diaphragm includes a middle layer, a first and a second adhesive layer attached on two side surfaces of the middle layer respectively, and a first layer adhered to the middle layer by the first adhesive layer and a second layer adhered to the middle layer by the second adhesive layer.
|Infrared reflective film, infrared reflective paint and infrared reflective body|
Provided is infrared ray reflective paint which is used to form a film having a high reflectance in an infrared ray wavelength region, a high transmittance in a visible ray wavelength region, and a self-cleaning ability, and the infrared ray reflective paint contains: an acrylic resin that contains at least one of a silyl group and a silanol group, and a metal oxide-coated mica wherein one or more metal oxides selected from a tin oxide, a titanium oxide, and a silicon oxide is coated on a surface of mica, and the infrared ray reflective paint contains the metal oxide-coated mica in an amount of 0.4% to 1.5% in terms of pvc (pigment volume concentration).. .
|Adjustable cheek rest|
An adjustable cheek rest for a rifle is formed with a top member, a lower member, a cushion pad and a plurality of accessories. This cheek rest is adjustably and removably affixed to a stock of the rifle.
|Flameproof spun yarn, fabric, clothes and flameproof work clothes|
A flameproof spun yarn of the present invention includes a modacrylic fiber containing an antimony compound and a polyarylate-based fiber, and the flameproof spun yarn contains 1 to 30 wt % of the polyarylate-based fiber relative to the total weight of the flameproof spun yarn. A flameproof fabric of the present invention includes a modacrylic fiber containing an antimony compound and a polyarylate-based fiber, and the flameproof fabric contains 1 to 30 wt % of the polyarylate-based fiber relative to the total weight of the flameproof fabric.
|Transdermal methylphenidate compositions with acrylic block copolymers|
Described herein are transdermal compositions comprising methylphenidate in a polymer matrix comprising a non-reactive random acrylic polymer and an acrylic block copolymer. Method of making such compositions, and therapeutic methods using them also are disclosed..
|Production and purification of carboxylic betaine zwitterionic monomers|
The method involves the reaction of acrylic acid with aminoalkyl (meth)acrylate or n-amino-alkyl (meth)acrylamide having a basic tertiary nitrogen atom in the presence of a free radical inhibitor, this reaction leads to a betaine:acid complex that can be either separated from the reaction media into pure betaine:acid complex powder or further purified into pure monomer powder by passing the reaction mixture through a base resin followed by precipitation in a nonsolvent or direct precipitation in a nonsolvent containing an organic base.. .
|Total synthesis of thaxtomin a analogues and their intermediates|
Improved synthetic methods for the production of thaxtomin analogues, particularly thaxtomin a, and intermediates therefore such as substituted tryptophans and in particular, 4-nitro-l-tryptophan, and substituted phenyl acrylic acids are disclosed. Bioassays show that the synthetic thaxtomin a is not significantly different from the natural one in herbicidal activity..
|Polysiloxane modified polyisocyanates for use in coatings|
The invention relates to an isocyanate-terminated polysiloxane material that can preferably be used as a curing agent, hardener or co-reactant in coatings. The invention further relates to a method of manufacturing the isocyanate-terminated polysiloxane material by partially hydrolyzing a methoxy-functional polysiloxane such as a methyl phenyl polysiloxane, and reacting it with a polyisocyanate to yield the isocyanate-terminated polysiloxane hardener.
|Low gloss acrylic coatings containing isophthalic polyester compositions|
Low-gloss coatings including acrylic polymer and isophthalic polyester compositions are disclosed. The presence of separate acrylic polymer and isophthalic polyester phases in the coating provides a low-gloss finish while maintaining properties such as hardness and mar resistance of the coatings..
|Soft-feel, chemical-resistant polyurethane coating compositions|
Two-component waterborne coating compositions that form crosslinked polyurethane films exhibiting soft feel effect and high chemical resistance are disclosed. The two-component waterborne coating compositions include rubber particles and reaction products of hydroxy-functional polyacrylic polyol dispersions and water-dispersible polyisocyanates..
|Redox polymers for improved dirt and water resistance for elastomeric wall and roof coatings|
The present invention provides elastomeric roof coatings and aqueous coating compositions of (i) an acrylic emulsion copolymer that comprises (ii) a reductant and has a high molecular weight, (iii) a combination of a hydrophilic polymeric dispersant and a pigment, extender or filler, and (iv) a multivalent transition metal ion or multivalent transition metal ion compound or salt. The composition and coating provide excellent swelling resistance and a balance of tensile and elongation in an acrylic roof coating composition..
|Polymethacrylic acid anhydride telomers|
The present invention provides compositions of phosphorus acid group and methacrylic anhydride group containing telomeric copolymers of methacrylic acid having an as yet never achieved amount of more than 70 wt. %, or, preferably, 72 wt.
|Method for producing acrylic polymer, acrylic polymer, and plastisol composition|
Disclosed is a method for producing a plastisol acrylic polymer which can have a satisfactory adhesion property even when the heating time is short and the heating temperature is low, and which has excellent storage stability. The method comprises (1) a step of polymerizing an acrylic monomer mixture (a) to produce a polymer (a) and (2) a step of polymerizing an acrylic monomer mixture (b) in a dispersion containing the polymer (a), wherein a monomer having a hydroxy group is contained in the acrylic monomer mixture (a), a monomer having an acetoacetyl group or a block isocyanate group is contained in the acrylic monomer mixture (b), and the dissolution parameter (sa) for the polymer (a) and the dissolution parameter (sb) for a polymer (b) produced by the polymerization of the acrylic monomer mixture (b) are different from each other..
|Aqueous dispersions of microgel encapsulated particles utilizing hyperbranched acrylic polymers|
An aqueous dispersion includes particles at least partially encapsulated in a microgel where the microgel is prepared from a hyperbranched acrylic polymer. In addition, a method for making an aqueous dispersion includes: (1) mixing in an aqueous medium: (a) particles, (b) at least one ethylenically unsaturated monomer, and (c) a water-dispersible hyperbranched acrylic polymer having ethylenic unsaturation; and (2) polymerizing the at least one ethylenically unsaturated monomer and water-dispersible hyperbranched acrylic polymer having ethylenic unsaturation to at least partially encapsulate the particles in a microgel..
Dronedarone formulations. Formulations of dronedarone are disclosed that provide consistent release and absorption of dronedarone that is independent of food ingestion.