Abstract: The present disclosure provides a method for preparing a polymerization initiator composition, including (a) a step of mixing water and a water-soluble initiator to prepare an aqueous initiator solution having a concentration of 1 to 10%; and (b) a step of activating the aqueous initiator solution, wherein the step of activating is performed by (b-1) a step of heat treating the aqueous initiator solution for 0.5 to 4.5 hours at a temperature of 48 to 62° C.; and (b-2) a step of treating the aqueous initiator solution to achieve pH of 1 to 7, where the steps above are performed in no particular order.

Abstract: The present invention relates to latex particles for measurement reagents, said latex particles having a coefficient of variation in particle diameters of 10% or less and an average particle diameter of 250 to 1000 nm. Each of the latex particles contains 20% by weight or more of a compound having a refractive index of 1.60 or more. The depth of a supernatant is 5 mm or less when a liquid dispersion having a solid matter concentration of 1% by weight, which is prepared by dispersing the latex particles in ultrapure water, is placed in a tubular 10-ml measuring cylinder having a body inner diameter of 10.8 mm and is then allowed to leave for 10 days. According to the particles, a measurement of a measurement sample can be performed at a high sensitivity even when the concentration of a substance to be tested in the measurement sample is low.

Abstract: An object of the present invention is to provide a particle-shaped water absorbing agent having a remarkably improved surface color and excellent water-absorbing properties (better water absorption capacity, and lower water soluble content and residual monomer content) at the same time. In order to attain the object, a particle-shaped water absorbing agent according to the present invention is a particle-shaped water absorbing agent whose main component is a polyacrylic acid and/or a salt thereof, the particle-shaped water absorbing agent having a surface color of Hunter b value in a range of ?5 to 10, and having a cross-linking absorption property index (CPI) in a range of 1 to 100, the CPI defined by the following two equations: GEX=(GVs+17)/Ln (water soluble content);??Equation 1: CPI=(GEX/residual monomer content)×100??Equation 3: where GVs is gel volume in saline, Ln (water soluble content) is a logarithm natural of water soluble content.

Abstract: The present invention provides a process for making polyurethane/acrylic hybrid dispersions useful in high PVC coatings with excellent DPUR and water swelling performance, wherein acid monomers are used in acrylic polymerization.

Abstract: A formulation composition for preparing a print head face plate coating includes a sol containing a mixture of monomers including at least one fluoroalkoxysilane monomer; a solvent; a catalyst; and water. The formulation composition is stable towards gelation for more than 1.5 hours. A method of preparing a print head involves preparing a formulation composition containing a sol prepared from a mixture of monomers including at least one fluoroalkoxysilane monomer, a solvent, a catalyst, and water; applying the formulation composition as a sol on a surface of the print head; and curing the formulation composition to form a crosslinked siloxane layer on the print head. A method of printing involves using the print head to apply inkjet ink to a substrate.

Abstract: A water- and oil-repellent comprising an aqueous dispersion of a fluorine-containing copolymer including as a copolymerization unit (a) a perfluoroalkylalkyl (meth)acrylate represented by the general formula CnF2n+1CmH2mOCOCR?CH2 (wherein R represents hydrogen atom or methyl group; n represents 4, 5, or 6; and m represents 1, 2, 3, or 4), (b) benzyl (meth)acrylate, (c) a fluorine-free polymerizable monomer other than benzyl (meth)acrylate, and (d) a cross-linkable group-containing polymerizable monomer; and a blocked isocyanate added to the aqueous dispersion in a weight ratio of 0.05 to 3.0 to the weight of the solid content of the aqueous dispersion.

Abstract: A polyimide precursor composition includes an organic amine compound and a resin which contains a repeating unit represented by the following Formula (I) and has an imidization rate of 0.2 or less dissolved in a solvent containing water and one or more kinds of organic solvents selected from a water-soluble ether solvent, a water-soluble ketone solvent, and a water-soluble alcohol solvent: wherein A represents a tetravalent organic group, and B represents a divalent organic group.

Abstract: A crosslinked siloxane composition contains the polymerization product of a mixture containing from about 2 to about 12 alkoxysilane precursor materials, where at least one of the alkoxysilane precursor materials is a hydrophilic alkoxysilane precursor material, and at least one of the alkoxysilane precursor materials is a hydrophobic alkoxysilane precursor material. A method of printing an image to a substrate involves applying an inkjet ink to an intermediate transfer member using an inkjet printhead, spreading the ink onto the transfer member, inducing a property change of the ink, and transferring the ink to a substrate, where the intermediate transfer member comprises a crosslinked siloxane composition containing the polymerization product of a mixture comprising from about 2 to about 12 alkoxysilane precursor materials, where at least one of the precursor materials is hydrophilic and at least one is hydrophobic.

Abstract: An object of the present invention is to provide a latex particle for a measurement reagent with which highly sensitive measurement can be performed even in measuring a measurement sample containing a test substance in a dilute concentration. The preset invention relates to a latex particle for a measurement reagent including a copolymer obtained by copolymerizing a monomer mixture containing the following polymerizable monomers (a) to (c): (a) a polymerizable monomer having a phenyl group; (b) a polymerizable monomer having a phenyl group and a sulfonate; and (c) a polymerizable monomer having a naphthyl group, in an aqueous medium containing 7.5 to 25% by weight of C1-4 alcohol without using a surfactant.

Abstract: Aqueous liquid and moisture vapor are added to water absorbent resin powder so that particles of the water absorbent resin powder are bound. Supplying the aqueous liquid and moisture vapor to the water absorbent resin powder reduces the amount of particles that remain unbound (ungranulated) and increases the concentration of the water absorbent resin bound particles to provide improved drying efficiency and to obtain particulate water absorbent resin having excellent properties even when the bound particles are highly concentrated. The present invention provides (i) a method for binding water absorbent resin and (ii) a method for producing particulate water absorbent resin including the step of binding particles of water absorbent resin powder.

Abstract: The present invention relates to compositions and methods for synthesis of organic-silica hybrid microparticles and nanoparticles. In particular, the present invention provides compositions and methods for particle size control during synthesis of organic-silica hybrid microparticles and nanoparticles.

Abstract: A black ink composition is provided which suppresses change in hue and can form an image with superior blocking resistance and scratch resistance. The black ink composition for ink jet recording includes a carbon black pigment; at least any one type of colorant pigment which is selected from a magenta pigment and a cyan pigment; a water-soluble polymerizable compound; a polymerization initiator; and water, wherein the average primary particle diameter of the carbon black pigment is 20 nm or more and less than 35 nm, the content ratio of the carbon black pigment with regard to the total mass of all of the pigments is 70 mass % or less, and the total mass of all of the pigments with regard to the total mass of the black ink composition is 4 mass % or less.

Abstract: A silicone rubber sponge-forming emulsion composition is provided that, even when the quantity of reinforcing silica filler is increased, does not exhibit a decline in emulsion stability, avoids defects in cell morphology of the sponge, and avoids a substantial increase in hardness of the sponge. A method of producing a silicone rubber sponge from this composition is also provided. The A silicone rubber sponge-forming emulsion composition comprises (A) 100 weight parts of a liquid diorganopolysiloxane that has at least two silicon-bonded alkenyl groups in each molecule, (B) 1 to 50 weight parts of a reinforcing silica filler comprising (b1) a fumed silica and (b2) a precipitated silica in a (b1)/(b2) weight ratio of 0.01/1 to 30/1, (C) 50 to 250 weight parts of water that contains (c) a smectite clay, (D) 0.

Abstract: Multistage polymers predominantly stabilized by nonionic emulsifiers and derived from hard and soft monomer compositions containing vinyl esters, of which at least one monomer composition must contain an unsaturated compromisable organosilicon compound, are described. The plastic dispersions can be used as binders in emulsion paints and finishes and impart to these excellent scrub resistance in addition to good blocking resistance.

Abstract: There is described a multi step process for preparing an aqueous dispersion of heterogeneous polymer particles by mini-emulsion polymerisation, the process comprising the steps of (I) (a) forming a mixture comprising: (i) water; (ii) at least one stabiliser (such as a surfactant and a hydrophobic co-stabiliser); (iii) at least one tackifier (such as polyterpenes, rosin resins and/or hydrocarbon resins); (iv) at least one ?,?-ethylenically unsaturated monomer; (b) applying high shear to the mixture from step (a) to form an essentially stable mini-emulsion comprising an aqueous continuous phase and dispersed therein stabilised droplets of average diameter from about 10 to about 1000 nm, (c) polymerising the monomer(s) within the droplets in the presence of a free radical initiator; (d) adding further monomer to the dispersed phase to form a dispersion; then: (II) using the dispersion from step (I) as a seed to form a dispersion of heterogeneous polymer particles in a subsequent emulsion polymerisation.

Abstract: The present invention is drawn to a method of generating functionalized latex particulates in a colloidal suspension. The method can comprise steps of protecting functional groups present on polymerizable monomers with photo labile groups to form protected monomers; polymerizing the protected monomers to form a protected polymer; and exposing the protected polymer to a wavelength of light that removes the photo labile groups from the functional groups, thereby forming the functionalized latex particulates. These latex particulates can be used in a wide variety of applications, including in ink-jet ink printing applications.

Abstract: The present invention is related to methods and compositions for marking and removing turf lines and other markings from artificial and natural turf, including sports fields. The marking compositions include alkali-activatible acrylics, including one or both of alkali-soluble resin and an alkali-swellable thickener to enable removing the dried composition with an alkaline solution.

Abstract: Terpolymer compositions of vinyl caprolactam (VCL), dimethylaminopropyl methacrylamide (DMAPMA) and hydroxyethyl methacrylate (HEMA) are described to coat substrates for use in computer printers, and provide advantageous print quality thereon.

Abstract: The present invention relates to a process of manufacture of polytrimethylene ether glycol, in which one or more inorganic compounds selected from an inorganic salt and an inorganic base is utilized during certain purification steps to reduce phase separation time.

Abstract: A process of manufacture of polytrimethylene ether glycol comprising: (a) polycondensing reactant comprising diol selected from the group consisting of 1,3-propanediol, 1,3-propanediol dimer and 1,3-propanediol trimer or mixtures thereof in the presence of acid polycondensation catalyst to form polytrimethylene ether glycol; (b) adding water to the polytrimethylene ether glycol and hydrolyzing the acid esters formed during the polycondensation to form a hydrolyzed mixture containing the polytrimethylene ether glycol and the hydrolyzed acid esters; (c) adding organic solvent that is miscible with water to the hydrolyzed mixture to form an aqueous-organic mixture comprising (i) organic phase containing polytrimethylene ether glycol and residual acid polycondensation catalyst from the polycondensing and (ii) water phase; (d) separating the water phase and the organic phase; (e) adding base to the separated organic phase to neutralize the residual acid polycondensation catalyst by forming salts of the residual ac

Abstract: A process of manufacture of polytrimethylene ether glycol comprising: (a) polycondensing reactant comprising diol selected from the group consisting of 1,3-propanediol, 1,3-propanediol dimer and 1,3-propanediol trimer or mixtures thereof in the presence of acid polycondensation catalyst to form polytrimethylene ether glycol; (b) adding water to the polytrimethylene ether glycol to form an aqueous mixture; (c) heating the aqueous mixture to hydrolyze acid esters formed during the acid catalyzed polycondensation; (d) adding to the hydrolyzed aqueous mixture organic solvent that is miscible with polytrimethylene ether glycol to form (i) organic phase containing the polytrimethylene ether glycol and residual acid polycondensation catalyst from the polycondensing and (ii) aqueous phase; (e) separating the aqueous phase and the organic phase; (f) adding base to the separated organic phase to neutralize the residual acid polycondensation catalyst by forming salts of the residual acid polycondensation catalyst; (g

Abstract: The present invention is drawn to a method of generating functionalized latex particulates in a colloidal suspension. The method can comprise steps of protecting functional groups present on polymerizable monomers with photo labile groups to form protected monomers; polymerizing the protected monomers to form a protected polymer; and exposing the protected polymer to a wavelength of light that removes the photo labile groups from the functional groups, thereby forming the functionalized latex particulates. These latex particulates can be used in a wide variety of applications, including in ink-jet ink printing applications.

Abstract: Terpolymer compositions of vinyl caprolactam (VCL), dimethylaminopropyl methacrylamide (DMAPMA) and hydroxyethyl methacrylate (HEMA) are described to coat substrates for use in computer printers, and provide advantageous print quality thereon.

Abstract: A process that can be used as catalyst in esterification, transesterification or polycondensation is disclosed, which comprises a stable solution comprising (a) titanium in the form of a titanium ?-hydroxycarboxylic acid or its salt, (b) a C1-C6 carboxylic acid, and (c) zinc in the form of a water-soluble zinc salt, and (d) water. Also disclosed is an esterification, transesterification or polycondensation process, which comprises contacting, in the presence of the solution process, an organic acid or its ester or its salt with an alcohol, optionally in the presence of a phosphorus compound, an organic or inorganic toning agent such as cobalt acetate, or combinations thereof.

Abstract: Copolymers of dimethylaminopropyl methacrylamide and hydroxyethyl methacrylate having residual monomer levels of <2000 ppm and <500 ppm, respectively, are made by copolymerizing the monomers in a predetermined weight ratio in an aqueous-alcoholic solvent of defined composition. Substrates coated with these copolymers are capable of absorbing the solvents, e.g. water or organic solvents, of digital printing inks rapidly with dry times of <1 min.

Abstract: The present invention relates to novel formulations for water proofing leather, a process for waterproofing leather, and leather goods waterproofed by the formulations and processes of the present invention. More specifically, the present invention relates to the use of a composition containing a salt of polyalkyl carboxylic acid anhydride, an aliphatic carboxylic acid amide, a fatty alcohol or blend of fatty alcohols, an alcohol cosolvent, a preservative, and water for imparting improved hydrophobicity, flexibility, and/or product feel of the finished leather goods.

Abstract: This invention is related to a process for preparing polyester polymers using a composite catalyst comprises the steps of 1) esterifying naphthalene dicarboxylic acid or a dicarboxylic acids containing NDCA or ester derivatives thereof, with ethylene glycol or glycols containing ethylene glycol or derivatives thereof to produce esterified compounds or its low molecular weight polymers; and then 2) continuously polycondensing the obtained esterification product to produce polyester polymers; and wherein the process includes using a composite polymerization catalyst which was prepared by reacting titanium compounds and cobalt compounds in the solution containing at least one alcohol. The process yields high quality polyester polymers having a good color and excellent physical properties. The process can considerably reduce both the esterification time and the polycondensation time.

Abstract: An image display faceplate and its manufacturing method wherein an electroconductive organic polymeric transparent anti-static film is formed on the image lay faceplate by the steps of obtaining an aqueous solution by solving electroconductive organic polymers in water, applying the solution and heat-treating the applied faceplate panel at a relatively low temperature, and the solution are disclosed. The aqueous solution is prepared by the steps of: dissolving in alcohol an aqueous solution of polyethylene dioxythiophene which polystyrene sulphonate is doped 3 to; first-adding silicon alkoxide to the alcoholic solution; and second-adding pure water and an inorganic acid catalyst for hydrolysis after the first adding step.

Abstract: The invention relates to methods for obtaining the photochromic latex comprising the polymerization in aqueous emulsion of an initial polymerizable mixture, comprising one or more monomers polymerizable by free-radical mechanism and one or more photochromic compounds and the addition to the initial polymerizable mixture, during the polymerization of the initial polymerizable mixture or to the final latex of at least one agent for stabilizing the photochromic properties.

Abstract: A conductive composition for a biological electrode is capable of reducing the impedance between the electrode and the skin. A conductive gel composition for a biological electrode which is capable of electrically and physically connecting a living body to an electrode element and is composed of at least the following components: (1) a radical-polymerizable unsaturated compound; (2) a moisturizer serving as a plasticizer and functioning to supplementing and promoting the physiological humidifying function of the horny layer; (3) a polymerization initiator; and (4) a crosslinking agent. This moisturizer serves also as a plasticizer and, furthermore, elevates the moisture content in the horny layer at the application of this composition. The above-mentioned composition may further contain a plasticizer selected from among polyhydric alcohols, amines and ethers.

Abstract: A composition for preventing or retarding the formation of gas hydrates during the transport of a fluid comprising water and a hydrocarbon through a conduit. The composition is a homopolymer of vinyl caprolactam, or copolymers thereof, having a low molecular weight in the range of 500 to 2500, which is made in a polymerization solvent, preferably a glycol ether, most preferably 2-butoxyethanol and also including a carrier solvent, preferably monoethylene glycol.

Abstract: The invention relates to aqueous emulsions, a process for the preparation and the use thereof.

Abstract: The invention provides a method of making an amide-type polymer/silicone polymer blend comprising the steps of preparing a silicone polymer emulsion comprising a silicone polymer dispersed in a liquid continuous phase; introducing the silicone polymer emulsion into an amide-type polymerization reaction medium prior to or during the reaction, wherein the reaction medium comprises 1) a diacid component and a diamine component, an oligomer of a diacid and a diamine component, or a mixture thereof; and polymerizing the components of b)1, thereby providing an amide-type polymer/silicone polymer blend. A amide-type polymer/silicone polymer blends are also provided.

Abstract: The present invention provides a process for preparing polyethylene naphthalate polymers comprising: esterifying a slurry comprising NDCA or a dicarboxylic acid containing NDCA or derivatives thereof, and ethylene glycol or a glycol containing ethylene glycol or derivatives thereof to produce esterification compounds comprising bis (beta-hydroxyethyl) naphthalate or low molecular weight polymers thereof, wherein one or more primary alcohol is added to the slurry; and polycondensing the above resultant esterification compounds to produce polyethylene naphthalate polymers. The process of the present invention allows for the preparation of a slurry more easily and to maximize the manufacturing efficiency.

Abstract: The present invention relates to a process for the preparation of microencapsulated polymers having a high surface smoothness, a soluble fraction of less than 6%, and a swelling index of between 1.3 and 9 by polymerizing a microencapsulated monomer mixture suspended in an aqueous phase containing at least one hydroxyaromatic compound as polymerization inhibitor, wherein the microencapsulated monomer mixture contains (a) 34 to 99.7% by weight of a monomer having one polymerizable C═C double bond, (b) 0.1 to 15% by weight of a crosslinking agent having at least 2 polymerizable C═C double bonds, (c) 0.2 to 1.0% by weight of at least one aliphatic peroxyester as polymerization initiator, and (d) 0 to 50% by weight of additives, the percentages being based on the sum of the components (a) to (c).

Abstract: A water-repellent solution for forming a superior water-repellent film on a glass substrate is produced by subjecting a fluoroalkyl-group contained silane compound to a hydrolysis and a condensation polymerization. With this, at least dimers and trimers of the silane compound are produced. In case wherein the fluoroalkyl-group contained silane compound is of a type having the following general formula, satisfied performance of the formed water-repellent film is expected: CF3(CF2)m(CH2)2SiX3 wherein “m” is equal to or greater than 7 (seven) and “X” represents halogen, isocyanate-group or alkoxy-group, said alkoxy-group including methoxy-group [OCH3], ethoxy-group [OC2H5] or isopropoxy-group [OC3H5]. When the “m” is equal to or greater than 9 (nine), the performance of the film is much increased.

Abstract: This invention relates to a composition, comprising: (I) an aromatic Mannich compound derived from: (A) a hydroxy containing aromatic compound having the formula  wherein in Formula (A-1): Ar is an aromatic group; m is 1, 2 or 3; n is a number from 1 to about 4; with the proviso that the sum of m and n does not exceed the number of available positions on Ar that can be substituted; each R1 independently is a hydrocarbyl group of up to about 400 carbon atoms; and R2 is H, amino or carboxyl; (B) an aldehyde or ketone having the formula  or a precursor thereof; wherein in Formula (B-1): R1 and R2 independently are H or hydrocarbyl groups having from 1 to about 18 carbon atoms; and R2 can also be a carbonyl-containing hydrocarbyl group having from 1 to about 18 carbon atoms; and (C) a mixture of water and an amine, said amine containing at least one primary or secondary amino group; and (II) alcohol.

Abstract: A catalyst composition is disclosed. The composition comprises a titanium compound, a complexing agent, hypophosphorous acid or its metal salt, water and optionally a solvent. The complexing agent can be hydroxycarboxylic acid, alkanolamines, aminocarboxylic acids, or combinations of two or more thereof. The solvent can be water, ethanol, propanol, isopropanol, butanol, ethylene glycol, propylene glycol, isopropylene glycol, butylene glycol, 1-methyl propylene glycol, pentylene glycol, or combinations of two or more thereof. The titanium compound can be combined with a zirconium compound. Also disclosed is a process for using the composition for producing an ester or a polyester. The process comprises contacting a carbonyl compound, in the presence of the composition, with an alcohol under a condition suitable for esterification, transesterification, polymerization, or combinations of two or more thereof.

Abstract: The present invention relates to a polyester polymerization catalyst, comprising a solution containing an aluminum compound and an alkali compound, with water or an organic solvent or a mixture consisting of water and an organic solvent as the medium, a production method thereof, and a polyester production method, in which the product obtained by the esterification reaction or ester interchange reaction between an aromatic dicarboxylic acid or any of its ester forming derivative and a diol is polycondensed, to produce a polyester, comprising the use of said polymerization catalyst containing an aluminum compound.The present invention can provide a polyester excellent in processability and can overcome such problems as spinneret contamination, filtration pressure rise, filament breaking, film breaking and foreign matter production in the production process of products such as fibers, films, resins and bottles.

Abstract: The present invention relates to a novel process for preparing water-soluble copolymers of at least one water-soluble N-vinyllactam of the formula I ##STR1## where n=1 or 2, and at least one hydrophobic comonomer having a water-solubility of 1 to 85 g/l, by free-radical polymerization in aqueous solution.

Abstract: There are disclosed stable fluidized polymer suspensions containing cationic polysaccharide, stabilizing agent and water-soluble polyol. The preferred cationic polysaccharides are cationic guar and cationic hydroxypropyl guar. Processes for preparing personal care compositions utilizing the fluidized polymer suspensions are also disclosed. Using the fluidized polymer suspensions in the processes provides advantages of more rapid dissolution and avoidance of lumps and gels when compared to using dry, powdered cationic polysaccharides.

Abstract: The present invention relates to aqueous paint suspensions containing a film-forming polymer. The invention also relates to aqueous aerosol paint compositions incorporating such suspensions. In particular, the invention relates to aqueous aerosol paint compositions suitable for temporary marking applications. The dried film resulting from application of such aerosol paint compositions is removable upon addition of water.

Abstract: The invention is a water-in-oil emulsion film forming foundation having a synergistic combination of about 0.5% to about 10% by weight of a water soluble or water dispersible film forming polymer, as well as about 0.5% to about 35% by weight of the composition of one or more plasticizing solvent(s). Both the polymer and solvent(s) combined together in the aqueous phase are in a cosmetically acceptable carrier providing suitable feel and appearance during application, as well as excellent wear and appearance benefits after application. Yet this film forming foundation provides a flexible, light feel that resembles other foundations, and is easily removed with soap and water.

Abstract: Water-repellent articles having an excellent water repellency, particularly water-repellent articles having a great contact angle with respect to waterdrop, an excellent waterdrop rollability, a high scuff resistance and a high weathering resistance, a method for producing the water-repellent articles, and a solution for forming a water-repellent film are dsiclosed. A novel method for producing water-repellent articles is provided, which comprises dissolving a chlorosilyl group-containing compound and a fluoroalkyl group-containing silane compound in a solvent containing an alcohol and/or water content to obtain a solution having the chloro group in said chlorosilyl group-containing compound substituted by an alkoxyl group or hydroxyl group, applying said solution to the surface of a substrate, and then drying the coated material to form a water-repellent film.

Abstract: Hydrophilic cationic copolymers of acrylamide are prepared as dispersions in a salt media. These polymers have high molecular weights and are readily activated by diluting in water. These polymers are useful flocculants for such applications as sludge dewatering, raw water clarification aids, emulsion breakers and waste water clarification aids.

Abstract: The present invention relates to a polyester polymerization catalyst, comprising a solution containing an aluminum compound and an alkali compound, with water or an organic solvent or a mixture consisting of water and an organic solvent as the medium, a production method thereof, and a polyester production method, in which the product obtained by the esterification reaction or ester interchange reaction between an aromatic dicarboxylic acid or any of its ester forming derivative and a diol is polycondensed, to produce a polyester, comprising the use of said polymerization catalyst containing an aluminum compound.The present invention can provide a polyester excellent in processability and can overcome such problems as spinneret contamination, filtration pressure rise, filament breaking, film breaking and foreign matter production in the production process of products such as fibers, films, resins and bottles.

Abstract: The present invention relates to acrylate-based rheology modifiers for use in aqueous compositions having pH of less than or equal to 9 and to the rheologically-modified aqueous compositions, which modifiers contain an emulsion which is prepared by single-stage emulsion polymerization of a C.sub.2 -C.sub.6 alkyl ester of acrylic acid and/or a C.sub.1 -C.sub.6 alkyl ester of methacrylic acid, a monomer chosen from a vinyl-substituted heterocyclic compound containing at least one of a nitrogen or sulfur atom, (meth)acrylamide, a mono- or di- (C.sub.1 -C.sub.4)alkylamino (C.sub.1 -C.sub.4)alkyl (meth)acrylate, a mono or di-(C.sub.1 -C.sub.4)alkylamino (C.sub.1 -C.sub.4)alkyl (meth)acrylamide, and optionally cross-linking monomers and/or associative monomers, in the presence of water, a surfactant, a free-radical initiator and an alcohol selected from C.sub.2 -C.sub.

Abstract: Cross-linked, hydrophilic pressure sensitive adhesive compositions, (meth)acrylate-functional polar polymers which serve as precursors to them, and medical products using such adhesives are disclosed. The cross-linked polymer is prepared by free-radically cross-linking reactive polymers that are functionalized with pendant polymerizable moieties. Medical products that include such compositions are biomedical electrodes, pharmaceutical delivery devices, and medical skin coverings such as wound dressings.

Abstract: Aqueous silicone dispersions crosslinkable into elastomeric state by elimination of water therefrom, well adapted for the production of elastomer seals, e.g., for the building industry, include:(A) 100 parts by weight of an oil-in-water emulsion of an .alpha.,.omega.-(dihydroxy)polydiorganosiloxane stabilized with at least one anionic or nonionic surface-active agent, or mixture thereof;(B) 1 to 100 parts by weight of an hydroxylated silicone resin containing, per molecule, at least two different recurring structural units selected from among those of the formulae: R.sub.3 SiO.sub.0.5, R.sub.2 SiO, RSiO.sub.1.5 and SiO.sub.2, wherein the radicals R, which may be identical or different, are vinyl, phenyl or 3,3,3-trifluoropropyl radicals, or linear or branched chain alkyl radicals containing from 1 to 6 carbon atoms, said resin having a hydroxyl group weight content of from 0.1% to 10%;(C) 0 to 250 parts by weight of a nonsiliceous inorganic filler;(D) 0.

Abstract: A catalyst composition is disclosed. The composition comprises a titanium compound, a complexing agent, hypophosphorous acid or its metal salt, water and optionally a solvent. The complexing agent can be hydroxycarboxylic acid, alkanolamines, aminocarboxylic acids, or combinations of two or more thereof. The solvent can be water, ethanol, propanol, isopropanol, butanol, ethylene glycol, propylene glycol, isopropylene glycol, butylene glycol, 1-methyl propylene glycol, pentylene glycol, or combinations of two or more thereof. The titanium compound can be combined with a zirconium compound. Also disclosed is a process for using the composition for producing an ester or a polyester. The process comprises contacting a carbonyl compound, in the presence of the compositions, with an alcohol under a condition suitable for esterification, transesterification, polymerization, or combinations of two or more thereof.