Abstract: Paint formulations that exhibit improved performance characteristics due to the presence of a combination of a cellulose ether (carboxymethylcellulose and/or hydroxyethylcellulose) and a network building polymer (gellan gum, carrageenan, etc., as examples) as a thickening system therein are provided. Such a combination permits long-term shelf stability of the paint formulation while simultaneously according effective flow, leveling, and other important properties to the final paint formulation. The combination of the cellulose ether and a network building polymer allows for a lower viscosity cellulosic compound to impart the desired rheological behavior therein while also permitting the other desirable characteristics noted above. Such paint compositions also exhibit improved atomization for spray applications with such a thickening system.

Abstract: The invention relates to a method for modifying cellulose ethers. The inventive method is characterised in that a cellulose ether having a humidity content of between 5 and 90% is intensively mixed with between 0.1 and 5 wt. %—in relation to the dry cellulose ether—of an additive or an additive mixture in the form of an aqueous or organic suspension or solution, at temperatures of between 20 and 100° C., and the mixture obtained is then dried.

Abstract: A composition comprising cellulose ether, a superplasticizer and defoamer suitable for use as an additive in extruding inorganic compositions is disclosed. The inventive composition functions as a water retention agent, plasticizer and lubricant in the extrusion of inorganic compositions. The use of the inventive composition in the extrusion of building materials leads to improved processing properties, to a higher surface quality and product properties of the extruded article.

Abstract: The present invention provides crosslinkable compositions useful in the preparation of hydrophilic gels, and are prepared from polymers having pendent hydrophilic groups, and pendant Michael donor groups, and crosslinked by polyacryl Michael acceptor compounds.

Abstract: The invention relates to a polymer dispersion which contains water, at least one polymer that has been produced by emulsion polymerisation, at least one protective colloid, at least one water-soluble acidic metallic salt and at least one cross-linking resin that is based on phenol-formaldehyde condensation products, hydroxymethyl-substituted imidazolidinones, such as 1,3-dimethylol-4,5-dihydroxy-imidazolidinone (4,5-dihydroxy-N,N?-dimethylolethylene urea), hydroxymethyl-substituted pyrimidinones, or hydroxymethyl-substituted triazinones or their auto-condensation products, or mixed condensates from two or more of the aforementioned compounds, or a mixture of two or more of the aforementioned compounds.

Abstract: A mixture composition of a cellulose ether made from raw cotton linters and at least one additive is used in a ready mixed joint compound composition wherein the amount of the cellulose ether in the joint compound composition is significantly reduced. When this joint compound composition is mixed with water and applied to a substrate, the water retention, sag resistance, and workability of the wet joint compound are comparable or improved as compared to when using conventional similar cellulose ethers.

Abstract: A composition is provided consisting of an aqueous solution comprising at least one natural polysaccharide or a derivative thereof and at least one polymeric polyamino compound, the composition being capable of forming a film when applied onto a substrate. The invention also involves a method for temporary protection of a substrate surface from environmental influence using such composition.

Abstract: A water-soluble resin composition comprising a water-soluble resin and a colorant, which copolymer has a weight average molecular weight of at least 8,000 and is prepared by polymerizing an ethylenically unsaturated carboxylic acid monomer and a monomer copolymerizable therewith in the presence of an alcoholic hydroxyl group-containing water-soluble high polymer or a copolymerizable surface active agent to give a copolymer having an acid value in the range of 5 to 120 and then neutralizing the thus-obtained copolymer with a basic, exhibits a reduced viscosity change when it is stored for a long period, and is useful as an aqueous ink capable of giving an image having good dot reproducibility and good abrasion resistance.

Abstract: The present invention relates to a synthetic antique-effect wall stucco for interiors and exteriors, with a smooth matt or translucent appearance, and its preparation process.

Abstract: A composition is composed of a hydrophobically modified aminoplast polyether or hydrophobically modified non-urethane polyethers with a viscosity suppressing agent of cyclodextrins or derivatives thereof. A method for improving the pumpability and pourability of aqueous solutions of thickener of a hydrophobically modified aminoplast polyether or hydrophobically modified non-urethane polyethers which is provided by admixing a cyclodextrin with the thickener to form a complex of the cyclodextrin and thickener where the viscosity of the thickener is suppressed and adding the complexed admixture to an aqueous system containing a water-insoluble polymer wherein the cyclodextrin is decomplexed and the thickener becomes an effective thickener. An example of the uses for this composition and method is in film forming coatings such as latex paints.

Abstract: The invention concerns the use of a water-soluble or water-dispersible polymer having a molecular weight of at least 800, containing at least 5 aldehyde groups per molecule and at least 1 carboxyl group per molecule, the ratio of aldehyde groups to carboxyl groups being higher than 0.75:1, as a wet strength additive. The invention also discloses novel cationic derivatives thereof.

Abstract: An isolated polypeptide (JNK) characterized by having a molecular weight of 46 kD as determined by reducing SDS-PAGE, having serine and threonine kinase activity, phosphorylating the c-Jun N-terminal activation domain and polynucleotide sequences and method of detection of JNK are provided herein. JNK phosphorylates c-Jun N-terminal activation domain which affects gene expression from AP-1 sites.

Abstract: A method of preparing a polymeric demulcent-containing ophthalmic composition. The method includes immersing a polymeric demulcent in water or in an aqueous solution containing one or more ingredients, agitating the water or solution at 25 to 45° C. until the polymeric demulcent is dissolved to form a polymeric demulcent-containing solution, and optionally adding one or more other ingredients to the polymeric demulcent-containing solution.

Abstract: A composition is composed of a hydrophobically modified polyacetal-polyether (HM-PAPE) or comb hydrophobically modified polyacetal-polyether (comb HM-PAPE) and a viscosity suppressing agent of cyclodextrins or derivatives thereof. A method for improving the pumpability and pourability of aqueous solutions of HM-PAPE or comb HM-PAPE is provided by admixing a cyclodextrin with the HM-PAPE or comb HM-PAPE to form a complex of the cyclodextrin and HM-PAPE or comb HM-PAPE where the viscosity of the HM-PAPE or comb HM-PAPE is suppressed and adding the complexed admixture to an aqueous system containing a water-insoluble polymer wherein the cyclodextrin is decomplexed and the HM-PAPE or comb HM-PAPE becomes an effective thickener. An example of the uses for this composition and method is in film forming coatings such as latex paints.

Abstract: An aqueous ophthalmic solution containing 0.2 to 2.5 percent by weight a polymeric demulcent, 0.045 to 0.065 percent by weight a calcium salt, and 0.14 to 1.4 percent by weight a phosphate salt. The solution has a viscosity of 20 to 150 centipoise and is buffered to a pH 5.5 to 8.5.

Abstract: Disclosed is a hydrophilic, water soluble polymer concentrate for addition to aqueous liquids to enhance the properties thereof, particularly to increase the viscosity or decrease the fluid loss of well drilling and servicing fluids, the concentrate comprising a hydrophobic, water insoluble liquid, an organophilic clay suspension agent, the water soluble polymer, and a stabilizing agent comprising one or more acids in an amount from about 0.001% to about 1.5%, one or more anionic surfactants in an amount from about 0.001% to about 1.0%, one or more nonionic surfactants in an amount from 0.001% to about 0.625% and, from about 0% to about 0.75% of one or more water soluble organic liquids, wherein the total concentration of the stabilizing agent is from about 0.1% to about 2.5%, these percentages being based on the weight of the concentrate.

Abstract: This invention relates to a process of preparing vesiculated granules of crosslinked carboxylated polyester resin utilising a particular class of non-alkylphenolethoxylate surfactant.

Abstract: The present invention relates to printing plate coating compositions comprising: (a) a carbon pigment dispersible in water; (b) at least one polymer comprising at least one ionomeric polymer subunit; and (c) at least one high molecular weight thickening agent which shows pseudoplastic behavior. The printing plate precursor of this invention is prepared by coating a printing plate substrate with the coating composition.

Abstract: A gypsum-based composite structure is prepared from a slurry comprising a mixture of calcium sulfate hemihydrate, a cellulose ether additive other than CMC and an amount of water that is sufficient to form a slurry. The calcium sulfate hemihydrate is hydrated by the water forming a wallboard core reinforced by the cellulose ether additive. The concentration, viscosity grade and degree of substitution of the cellulose ether are selected to give the composite improved nail pull resistance and greater flexural strength.

Abstract: A reinforced wallboard core is prepared from a slurry comprising a mixture of &bgr;-calcium sulfate hemihydrate, a cellulose ether additive other than CMC and an amount of water that is sufficient to form a slurry and resulting in a wallboard density of less than 0.8 g/cc. The &bgr;-calcium sulfate hemihydrate is hydrated by the water forming a wallboard core reinforced by the cellulose ether additive. The cellulose ether, having a molecular weight of at least about 20,000 and a viscosity grade of at least about 100 cps, is selected to give the reinforced wallboard core improved nail pull resistance and greater flexural strength than unreinforced wallboard of the same density. The reinforced wallboard core may be used for reduced-paper wallboard and/or for lightweight wallboard, for example.

Abstract: The present invention relates to a composition comprising a component (A) containing, an aqueous alkali silicate solution and a primary amino-alcohol as a catalyst, and a component (B) containing a polyisocyanate. The present invention further relates to organo-mineral products which can be obtained by the transformation of polyisocyanates and aqueous alkali silicate solutions in the presence of a primary amino-alcohol as a catalyst. The organo-mineral products can be used as building, coating, sealing or insulating materials, or as a cement or adhesive.

Abstract: The present invention is directed to a vinyl acetate-ethylene polymer dispersion containing a vinyl acetate-ethylene polymer, a phosphate-functional surfactant, and a protective colloid. The invention is also directed to an aqueous coating composition having at least 65 percent by volume of pigment, on a dry solids volume basis and an amount effective to produce good scrub resistance of up to 25 percent by weight of the vinyl acetate-ethylene binder.

Abstract: Stable and environmentally friendly suspensions of solid particulates are provided through the addition of such solid particulates to a suspension medium which is comprised of a liquid carrier, a liquid carrier soluble resin, an organophyllic clay, and an activator wherein said liquid carrier is a carboxylic acid ester, preferably 2-ethylhexyl oleate, said liquid carrier soluble resin is selected from the group consisting of styrene-isoprene copolymers, styrene ethylene-propylene block copolymers, styrene isobutylene copolymers, styrene butadiene copolymers, polybutylene, polystyrene, polyethylene-propylene copolymers, methyl methacrylate and mixtures thereof, said organophyllic clay is one of kaolinite, halloysite, vermiculite, chlorite, attapullgite, smectite, montmorillonite, bentonite, hectorite, and mixtures thereof and said activator is an alcohol of the formula ROH wherein R is an alkyl group of 1 to 10 carbon atoms.

Abstract: The present invention provides decorative synthetic stucco compositions having a shiny sparkling metallic finish comprising a synthetic stucco finish coating and approximately 200 mesh aluminum metal pigment. Also provided are compositions with one or more colored metallic pigments. The present invention also provides methods for making synthetic stucco compositions having a shiny, sparkling metallic finish.

Abstract: The present invention relates to water-soluble ionic cellulose ethers from the group of the hydroxyalkylcelluloses which are substituted by on average from 0.001 to 1.0 alkyl group per anhydroglucose unit and which carry from 0.01 to 0.1 sulfoalkyl group per anhydroglucose unit, to processes for preparing them and to the use of water-soluble ionic cellulose ethers from the group of the hydroxyalkylcelluloses which are substituted by on average from 0.001 to 1.0 alkyl group per anhydroglucose unit and which carry from 0.01 to 0.4 sulfoalkyl group per anhydroglucose unit as protective colloids in polymerizations.

Abstract: A water-soluble polyurethane obtained from water-soluble polyalkylene glycol, polydiisocyanate, and comb-shaped hydrophobic diol represented by the following general formula: wherein R1 is a hydrocarbon group of 1 to 20 carbon atoms; each of R2 and R3 is a hydrocarbon group or halogenated hydrocarbon group of 4 to 21 carbon atoms; each of X, X′ and X″ is an alkylene group of 2 to 10 carbon atoms; the hydrogen atoms of the above alkylene group may be substituted with an alkyl group, chlorine or an alkyl chloride group; each of Z and Z′ is oxygen, sulfur or a CH2 group; R4 is an alkylene group of 2 to 10 carbon atoms in all; k is an integer of 0 to 15; n is an integer of 0 to 15 when Z is oxygen and is 0 when Z is sulfur or a CH2 group; n′ is an integer of 0 to 15 when Z′ is oxygen and is 0 when Z′ is sulfur or a CH2 group.

Abstract: Biodegradable thermoplastic compositions comprising a starch component, a cellulose ester or ether, a plasticizer for the starchy phase and of the cellulose and derivatives, and a compatibilizer agent selected from polymers compatible with the cellulose and or starchy component, grafted with aliphatic or polyhydroxilated chains; copolymers obtained from hydroxy acids and/or diamines with 2-24C and aliphatic or aromatic diisocyanates; copolymers obtained from aliphatic polyesters, polyureas and polyalkylene glycols and aliphatic or aromatic diisocyanates; copolymers obtained from polymers compatible with cellulose ester or ethers and/or the starchy component by grafting starch soluble polyols; polymer capable of complexing starch; starch compatible polyols.

Abstract: The invention relates to an agglomerate containing at least one of the following water-soluble or water-dispersible materials as a bonding base polymer: carboxylized and/or alkoxylized starch, cellulose ether and fully synthetic vinyl polymers and/or polyacrylates. The agglomerate is characterized in that it contains a blasting agent which produces a high swelling pressure, but, advantageously, does not gel. The agglomerate can have a regular geometric form or not. Its weight should be between 0.5 and 500 g. The agglomerate is used in particular in the production of lump-free paste.

Abstract: The invention relates to a thermoplastic composite material containing at least 15 percent by weight of one or more organic fibrous material, and at least 15 percent by weight of thermoplastic binder, with binder containing at least two different polyacrylates. The thermoplastic composite material has a flow transition range of 70° C. to 130° C. The invention also relates to a method for producing the thermoplastic composite material and the use of the thermoplastic composite material to coat the surfaces of objects.

Abstract: The present invention provides energetic thermoplastic elastomers which may be used as binders in propellant, explosive and pyrotechnic applications. The elastomers of the present invention are all hydrolyzable, allowing recycling of the elastomer's constituents and/or facilitating other constituents of the propellant, explosive or pyrotechnic. The elastomers of the present invention contain a first polymer, a second polymer having a repeating unit different from that of the first polymer, and a bridging group. Methods of preparing elastomers of the present invention include reaction of the first and second polymers with a dioic acid, or with an organic diisocyanate and a diol containing a formal linkage.

Abstract: The invention provides a means of boosting the mechanical performance of shaped shaped medical devices comprising polymer hydrogels, such as stents, so that they may be more easily inserted into or removed from the body. In one aspect, the invention provides shaped medical devices having increased mechanical strength and comprising both ionic and covalent crosslinks. In another aspect, the invention provides a shaped medical device having a heterogeneous polymer composition and a variable dissolution or degradation rate along its length. The shaped medical devices according to the present invention retain their shape and stiffness during insertion into the body and can swell and soften inside the body to enhance patient comfort.

Abstract: The present invention relates to associative cellulose ethers with improved thickening effects, especially in paint. The improvement depends on the presence of a hydrophobic modifying group of the general formula where R is an aliphatic group of 12-22 carbon atoms and n is a number from 3 to 7. The DS of the hydrophobic group is 0.003 to 0.012.

Abstract: Aqueous compositions having advantageous Theological properties, preferably including any of enhanced yield stress, enhanced viscosity, and/or enhanced water retention, are disclosed. Included are low-viscosity compositions having high yield stress. The present invention also relates to processes for preparing and using the compositions. Compositions of the present invention comprise aqueous compositions of a polymer having a net ionic charge, and a viscosity promoter having an opposite net ionic charge. Compositions may also comprise a moderating agent to prevent precipitation and/or gelation.

Abstract: The invention relates to a thermoplastic composite material containing an organic fibrous material and a mixture of two or more organic fibrous materials and a thermoplastic binder. The inventive composite material has a flow transition range between 70 and 130 degrees. The invention also relates to a method for producing a thermoplastic composite material of this type, the use of said composite material to coat the surfaces of objects and to an adhesive for permanently bonding the surface coating to the surface being coated.

Abstract: Disclosed is an electromagnetic wave-shielding coating material which is superior in both paintability and a electromagnetic wave shielding activity. Also, the coating material is of antistatic activity. The coating material comprises polyaniline (ES) with a solid content of 1-50%, a matrix polymer with a solid content of 1-50%, and additives at a predetermined amount. Also disclosed is an electromagnetic wave-shielding coating material, which is prepared by mixing polyaniline (ES, 100%), an acrylic resin and additives at predetermined amounts and adding the mixture with a hardener and a mixed solvent at predetermined amounts just before use. The electromagnetic-shielding coating material is able to effectively shield electromagnetic waves with a broad band of frequencies and be coated onto cases of various electromagnetic apparatuses, thereby protecting the body from electromagnetic wave pollutions.

Abstract: A drag reduction mixture made from a 30-70 proportion of polyisobutylene particles and water. The mixture further contains a surfactant, a viscosifier, an anti-foaming agent, and a biocide. The mixture can be made as a slurry or suspension, depending on the amount of viscosifier.

Abstract: A dispersion adhesive includes a co- or terpolymer having vinyl acrylate or vinyl acetate units or a copolymer dispersion of an acrylic acid ester and styrene and a high content of flameproofing agent based on compounds of aluminum and/or boron. Additives such as processing and thickening agents, suspending agents and wetting agents are added to the dispersion adhesives, and the dispersion adhesives furthermore can include preservatives, foam suppressants, dispersing agents, film formation agents and a drying retardant. The dispersion adhesives are particularly suitable for gluing rigid polystyrene foams in the form of films or sheets, but are likewise used for gluing gypsum plasterboards, wood and cork to a suitable substrate, and for gluing tiles and cement sheets.

Abstract: The present invention provides a recording medium comprising a substrate having a glossy coating thereon, wherein the glossy coating comprises a binder and first and second groups of particles, wherein: (a) the first group comprises metal oxide particles, wherein the metal oxide particles are aggregates of smaller, primary particles, (b) the mean diameter of the primary particles is less than about 100 nm, (c) the mean diameter of the aggregates is from about 100 nm to about 500 nm, (d) the mean diameter of the particles in the second group is less than about 50% of the mean diameter of the aggregates in the first group, and (e) the ratio of particles in the first group to particles in the second group is from about 0.1:1 to about 10:1 by weight. The glossy coating of the inventive recording medium has an excellent rate of liquid absorption, a relatively high liquid absorption capacity, excellent adhesiveness, and a non-brittle, crack-resistant, glossy surface.

Abstract: A cement pumpability-enhancing additive which confers good pumpability on cementitious compositions such as concrete consists essentially of(a) polyethylene glycol;(b) diethylene glycol monobutyl ether and/or a derivative thereof;(c) polysaccharide; and(d) a thickening polymer selected from the group consisting of polyacrylic acid derivatives, polyacrylic amide derivatives, cellulose ethers, polyphenyl ethers and polyalkylene glycol fatty acid esters;the weight solids proportions of (a), (b), (c), and (d) in the additive being respectively 5-55%, 10-80%, 1-20% and 1-20%. The additive is preferably used with a cement dispersing agent.

Abstract: A coating composition is composed of a water-soluble polysaccharide composition comprising at least one hydrophobic group selected from aryl, alkyl, alkenyl, aralkyl and mixtures thereof and at least one quaternary ammonium salt group, both connected to a polysaccharide backbone by covalent bonds. This coating is used for improving the leveling of waterborne paints.

Abstract: This invention relates to reinforced thermoplastic moulding compositions prepared from biodegradable polymers, for example aliphatic or polyester amides, aliphatic polyester urethanes, and to the use thereof for the production of mouldings and to the mouldings, wherein the reinforcing materials are selected from wood flour, fibres of natural origin, minerals of natural origin, cellulose and cellulose derivatives.

Abstract: The present invention relates to a thermal transfer ink layer composition, wherein polyvinylacetal resin and cellulose derivatives are used in a mixture for the binder in the thermal transfer ink layer composition of the sublimation thermal transfer ink ribbon, or the another type of a binder is mixed into the mixture of polyvinylacetal resin and cellulose derivatives and so used therein. As a result, the adhesion between the thermal transfer ink layer and substrate film, and the gradation property of printed images are improved as compared to the case in which the respective binders are used individually. More particularly, the present invention relates to the thermal transfer ink layer composition of the sublimation thermal transfer ink ribbon, which can yield high quality images by means of the aforementioned improvements.

Abstract: Hydroxyethylcellulose (HEC), hydrophobically modified hydroxyethylcellulose (HMHEC), hydroxypropylcellulose (HPC), methylhydroxypropylcellulose (MHPC), carboxymethylhydroxyethylcellulose (CMHEC), guar, starch, xanthan, hydroxypropylguar (HP Guar) or carboxymethylhydroxypropylguar (CMHP Guar) are stepwise or continuously reacted with hydrogen peroxide to produce aqueous compositions with a solids content greater than 5% by weight at a viscosity at 25.degree. C. below 9500 mPa.s. It is preferred to use 30-50% hydrogen peroxide to depolymerize the polysaccharide.

Abstract: The present invention provides certain carboxymethyl cellulose (CMC) esters of higher acids (e.g., CMC acetate propionate, CMC propionate, CMC acetate butyrate, and CMC butyrate)having specific use in aqueous dispersions useful in formulating waterborne coating compositions containing pigments, especially metallic pigments such as aluminum flakes and mica. The esters also have specific use as wetting agents and in high solids coatings.

Abstract: Water-borne paints containing reduced molecular weight polysaccharide derivatives that are resistant to enzyme hydrolysis. The water-borne paints are biostable, retaining at least about 80% of their initial viscosity 24 hours after they are inoculated with polysaccharide hydrolysis enzyme.

Abstract: A non-aqueous slurry comprising(a) one or more water soluble polymers;(b) polyalkylene glycol or thickened polyalkylene glycol; and a(c) a slurry stabilizer comprising an amine phosphate ester salt is provided. The slurry has a number of applications, including oil recovery, and in the paper and textile industries.

Abstract: A combination of (A) a nitrogen containing water soluble polymer, (B) a water insoluble film forming polymer, and (C) gas filled, polymer walled microballoons provides a superior thermally releasable coating that (i) can be conveniently and reliably coated from a water based solution and dispersion onto surfaces to be protected against painting, (ii) is reliably stable at ambient temperatures, (iii) even after being coated with many times its own thickness of accumulated paint particles, rapidly disintegrates, along with the accumulated paint coating formed on it, upon contact with hot water, into particles of a size that readily escapes from standard paint booth grate structures, (iv) detackifies any paint particles that escape during distintegration of the combined thermally releasable coating and paint residues accumulated thereon, and (v) disintegrates into particles that float on water, so that they can be readily removed from the grates by immersing the latter in hot water, allowing a few minutes for th

Abstract: The invention is directed to the use of an aqueous protective coating composition containing a binder system and an associative thickener for industrial coatings. The associative thickener is not a polyurethane thickener and is selected so that its concentration required by the specific application method is below the critical concentration C*, defined as the thickener concentration at which the coils of the thickener polymer start to overlap of entangle calculated according to the Mark Houwink equation.

Abstract: Elastomer films in which active chemical substances, such as corrosion inhibitors, lubricants or biocides for medical use are uniformly dispersed in the form of gel inclusions, processes for preparation and applications of these films.The elastomer film contains at least one active chemical substance in the form of a phase which is dispersed in the elastomer, wherein the disperse phase is in the form of a gel, reversible or irreversible, as a function of temperature, and filled with an active chemical substance.

Abstract: Water-borne paints containing reduced molecular weight polysaccharide derivatives that are resistant to enzyme hydrolysis. The water-borne paints are biostable, retaining at least about 80% of their initial viscosity 24 hours after they are inoculated with polysaccharide hydrolysis enzyme. A process for making the biostable water-borne paints has the steps: a) treating precursor polysaccharide derivative with polysaccharide hydrolysis enzyme in aqueous medium for a time sufficient to obtain reduced molecular weight polysaccharide derivative; and b) mixing the reduced molecular weight polysaccharide derivative with an effective amount of at least one other water-borne paint ingredient to obtain a water-borne paint.