Abstract: A vehicle masking material and method of use. The masking material in one embodiment includes a dextrin, a plasticizer, and water. The masking material may additionally include a surfactant. The masking material is applied to a surface which is to be protected from paint overspray or other coating processes, allowed to dry, and the surface is coated (e.g. with paint). After drying of the paint, or other coating, the masking material is removed by water washing.

Abstract: This invention relates to a process for producing an aminoalkylal derivative of polymer containing a plurality of polymerized vinyl alcohol units which are vicinal, preferably a process for producing the 4-aminobutyral of poly(vinyl alcohol). The improved process for the amino-acetalization of such polymers described herein comprises reacting a 5 of 6 member cyclic imine of the structure ##STR1## wherein n is an integer from 3 to 4 with the polymer containing a plurality of polymerized vinyl alcohol units. In a preferred reaction, 1,2-pyrroline is reacted with the polymer containing polymerized vinyl alcohol units under acidic conditions. Preferably the reaction is carried out by a slurry phase process employing a non solvent carrier such as methanol for the poly(vinyl alcohol). The reaction scheme for preparing the 4-aminobutyral of poly(vinyl alcohol) may be characterized by the following equation.

Abstract: A flame-retardant resin composition, which comprises 100 parts by weight of a synthetic resin having 70 to 100% by weight of metallocene LLDPE, 20 to 100 parts by weight of a magnesium hydroxide having a BET specific surface area of 20 m.sup.2 /g or less, an average secondary particle diameter of 5 .mu.m or less, measured according to a laser diffraction scattering method, and a water-soluble sodium salt content of 500 ppm or less as a sodium, 1 to 20 parts by weight of red phosphorus having an average secondary particle diameter of 30 .mu.m or less and 0.1 to 20 parts by weight of a carbon powder, the total of the magnesium hydroxide, the red phosphorus and the carbon powder being 120 parts by weight or less.

Abstract: A three stages process for the preparation of solid thermoplastic compositions based on polyvinyl alcohol comprising the mixing in a mixer of a first charge, comprising the polyvinyl alcohol and solid plasticizers, with a second charge constituted by one or more hydroxylated organic compounds selected from glycols, glycol ethers and alkanolamines and at least a salt of an alkaline and/or alkaline earth metal, and a third charge containing at least one or more solid polyhydroxylated alcohols, glycols and glycolic ethers, liquid alkanolamines, organic or inorganic mineral acids, hydrated inorganic salts, polymers having a low molecular weight, stabilizers and possible mineral charges, is described.

Abstract: The present invention is a hot melt adhesive composition comprising at least one ingredient present in an encapsulated form. The encapsulated ingredient may be any known hot melt adhesive formulation ingredient as well as any hot melt adhesive additive such as antioxidants and fragrances for which there is a desirable change in adhesive properties by isolating such ingredient for a duration of time. The encapsulated ingredient is released from the shell by means of pressure, temperature, diffusion, pH, light, radiation, ultrasound, and combinations thereof. Hot melt adhesive compositions comprising at least one encapsulated ingredient are useful for a variety of novel products including self-supported friction glue sticks, non-tacky pelletized pressure sensitive adhesives, cohesive adhesive systems, hot melt adhesive compositions exhibiting improved thermal stability and odor, as well as for a variety of other adhesive applications.

Abstract: A laundry detergent composition comprising a surfactant, builder and from about 0.1 to about 25 weight percent, based on the total weight of the laundry detergent composition, of a styrene-anhydride copolymer grafted with polyethylene glycol which is prepared by reacting in a solvent styrene monomer selected from styrene and substituted styrene, with an anhydride monomer selected from maleic anhydride and itaconic anhydride, to form a styrene-anhydride copolymer which is reacted with polyethylene glycol, to form a styrene-anhydride copolymer grafted with polyethylene glycol. The styrene-anhydride copolymers grafted with polyethylene glycol when used in a laundering process, remove soil from fabrics, inhibit soil deposition on fabrics, and provide soil resistance to fabrics.

Abstract: There is provided a mouldable composition for use in manufacturing a sintered metal or ceramic object, the composition comprising a metal or ceramic powder, a cross-linkable thermoplastic polymer and an amount of a cross-linking agent effective to cross-link the thermoplastic polymer at an elevated temperature. There is also provided a process for manufacturing a sintered metal or ceramic object using such a mouldable composition.

Abstract: Abrasive articles comprising a cured thermosetting binder and abrasive grains. The binder is prepared with a poly-functional molecule which contains at least two functional groups selected from the group consisting of carboxyl, anhydride and amine, and a (hydroxyalkyl)urea crosslinking agent containing a single urea group, at least two hydroxyl groups, and have at least two carbon atoms disposed between the urea group and each of the hydroxyl groups. The abrasive articles comprise bonded, nonwoven or coated abrasive articles.

Abstract: A water content of a water-containing gel of a hydrophilic cross-linked polymer is reduced by pressuring (calendaring) it. Then, a gel composition including, for example, a water-containing gel including cross-linked poly(meth)acrylic acid (salt), glycerol (polyhydric alcohol) and polyester fibers (auxiliary forming material), etc., is fed to a drum dryer on an upstream side of a pressurizing roller. Then, the resulting gel composition is pressurized (calendared) heated by a pressurizing roller to be formed into a sheet. As a result, a sheet-like absorbent material having at least one smooth surface can be obtained. The absorbent material resulting from the described method shows excellent properties and especially absorbing properties such as absorbing rate, absorbency under load, and shape retaining properties.

Abstract: The aqueous polyorganosiloxane emulsion, in particular for the coating of textiles or similar materials, which comprises an organopolysiloxane formula which is a precursor of the elastomer comprising a polydiorganosiloxane, preferably an inorganic filler, a catalyst and optionally a crosslinking agent, in the absence of surfactant in this formula, is characterized in that the organopolysiloxane formula is in emulsion in an aqueous protective hydrocolloid solution and in that this emulsion is obtained by direct emulsification of the complete organopolysiloxane formula in the aqueous protective hydrocolloid solution. The protective hydrocolloid is preferably a poly(vinyl alcohol) (PVA) or a PVA mixture.Preparation method relating thereto, coating process using these emulsions and products thus coated.

Abstract: The present invention is concerned with a novel azo compound represented by formula (1), (2) or (3), a water-soluble dye comprising this azo compound, and a polarizing film containing this azo compound. The obtained polarizing film has high hydrothermoresistance and a high polarization degree and is excellent in optical characteristics: ##STR1## wherein each of the groups is defined.

Abstract: A loose-fill insulation product is provided which includes a dry mixture of loose-fill fiberglass and an inorganic adhesive in the form of a redispersible powder. During application, the dry loose-fill mixture is coated with a liquid (e.g. water) so as to activate the adhesive. Thereafter, the loose-fill mixture with activated adhesive is blown or sprayed into a cavity (open or closed) so as to insulate same.

Abstract: Aqueous composition intended to form an antimigration and antiozone protective coating on the external surface of a tire, comprising an aqueous emulsion of at least: (a) a polymer called constituent I, said constituent I being a homopolymer or copolymer based on at least one monomer chosen from the group of acrylic, methacrylic and vinyl esters and having a glass transition temperature below 0.degree. C.; and (b) a constituent II chosen from the group consisting of a hydrophilic silica and a homopolymer or copolymer based on at least one monomer chosen from the group of acrylic, methacrylic and vinyl monomers, said homopolymer or copolymer having a glass transition temperature above 25.degree. C.

Abstract: A polymer scale preventive agent for use in polymerization of a monomer having an ethylenically unsaturated double bond, comprising an alkaline solution containing (A) a condensation product having a molecular weight of 400 to 50,000 obtained by condensing a quinone compound. This agent is applied to the inner wall surfaces of a polymerization vessel, and dried to form a coating. Such a vessel is effective in preventing polymer scale deposition, not only on the areas located in the liquid-phase region but also on the areas around the interface between the gas and liquid phases in the vessel, and is useful in producing a polymer that shows few fish eyes and good whiteness when formed into sheets or the like.

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: A vehicle masking material and method of use. The masking material in one embodiment includes a dextrin, a plasticizer, and water. The masking material may additionally include a surfactant. The masking material is applied to a surface which is to be protected from paint overspray or other coating processes, allowed to dry, and the surface is coated (e.g. with paint). After drying of the paint, or other coating, the masking material is removed by water washing.

Abstract: A novel aqueous sheet-impregnating composition including a composition of a styrene-ethyl acrylate-butyl acrylate copolymer and a binder. The binder is selected from polyvinyl alcohol, polyvinyl acetate, gelatin and starch, and the composition includes 5-90 parts by weight of a polyvinyl alcohol solution and 10-95 parts by weight of a styrene-ethyl acrylate-butyl acrylate copolymer dispersion. A decorative sheet for laminates may thereby be obtained.

Abstract: There is disclosed a process for producing a vinyl resin by suspension polymerization of a vinyl compound in the presence of a suspending agent (A) which comprises using a polymerization vessel equipped with a reflux condenser and adding a polyvinyl alcohol (B) having a degree of hydrolysis of at most 85 mol % in an amount of 0.001 to 0.5 part by weight based on 100 parts by weight of said vinyl compound when a polymerization conversion is in the range of 30 to 90%.According to the present invention, there is provided a process for producing a vinyl resin having a high bulk density, which is excellent in anti-foaming effect against the dry foam being generated in the middle to latter period of the suspension polymerization in a polymerization vessel equipped with a reflux condenser which is excellent in productivity.

Abstract: A pressure sensitive adhesive(PSA) composition includes a latex system of an aqueous polymer dispersion derived from ethylenically-unsaturated monomers in the presence of a water soluble protective colloid. The PSA compositions are used in the manufacture of a variety of articles that are intended to be easily attachable to another substrate by the application of pressure alone.

Abstract: The present invention relates to biodegradable polymers built-up ofa) monoethylenically unsaturated dicarboxylic acids and/or the salts thereof,b) monoethylenically unsaturated monocarboxylic acids and/or the salts thereof,c) monounsaturated monomers which, after hydrolysis, can be converted to monomers with a hydroxyl group covalently bonded to the C-C-chain, and, optionally,d) further radically copolymerizable monomers,with the sum of the monomers according to a) to d) amounting to 100%.The present invention further relates to a process of producing said polymers by radical polymerization and hydrolysis in aqueous medium, and to the use of said polymers as additive or cobuilder in detergents and cleaning agents, in the pretreatment of cotton, as bleaching stabilizers, as auxiliary agent in textile printing and in the manufacture of leather, as well as in the inhibition of water hardness and as dispersing agent.

Abstract: The stain resistant cover composition of the present invention for colored rubber part of a tire is characterized by that it comprises water of 100 parts by weight, polyvinyl alcohol of 1.0 to 50 parts by weight, a vinyl acetate resin emulsion of 15 to 150 parts by weight (solid content), a surfactant of 0.5 to 5.0 parts by weight, and a silicon oil of 0.5 to 5.0 parts by weight. The stain resistant protective film of the present invention for colored rubber part of a tire is used as a stain resistant protective film for a colored portion in the side wall part of a tire, wherein the above protective film comprises polyvinyl alcohol, a vinyl acetate resin emulsion, a surfactant, and a silicon oil.

Abstract: An aqueous coating composition having low VOC is provided. The invention provides excellent hardness and resistance properties in films formed from binders having glass transition temperatures below ambient temperature. The improvement in film properties comes from the binding of functionalized polyvinyl alcohol to a complementary functionalized latex binder. The low VOC compositions of this invention are useful for a variety of coatings including paints, stains, varnishes, mastics and adhesives.

Abstract: An saturated nitrile-conjugated diene copolymer obtained by copolymerizing acrylonitrile with butadiene in the presence of a free radical initiator and an alkylthiol compound as a molecular weight modifier. A part of the molecular weight modifier is incorporated in a monomer charge before polymerization, and the remainder thereof is incorporated in a polymerization mixture during polymerization. The alkylthiol compound has 12 to 16 carbon atoms, which include at least three tertiary carbon atoms, and further has a sulfur atom directly bound to at least one of the tertiary carbon atoms. The copolymer has a Mooney viscosity of 15 to 150 and contains 3 to 20 weight % of a fraction having a number average molecular weight of not larger than 35,000. The copolymer is used in combination with a sulfur-containing vulcanizer.

Abstract: Polychloroprene contact adhesive is made by mixing polychloroprene, tackifier, metallic oxide, antioxidants and organic solvent. The contact adhesive is sheared for reducing its ASTM D 1084 Saybolt viscosity by 10 percent or more. Shearing improves the sprayability of the polychloroprene contact adhesive. It makes it more uniform and reduces its viscosity.

Abstract: A sheet for laminated safety glass comprising polyvinyl butyral resin containing a multivalent metal-substituted aromatic chelate compound in an amount effective to control adhesion of the sheet to glass.

Abstract: Water-based correction fluids for covering typing, writing or drawing errors contain a particulate opacifier, a water-soluble or water-dispersible binder, water and a di- or tri-quaternary ammonium compound to prevent bleed of inks.

Abstract: A two-pack aqueous adhesive, which comprises (A) an adhesive component comprising (a) a polycarbonate-urethane aqueous dispersion having a pH 5.0-8.5, which is prepared by self-emulsifying a carboxyl group-containing, hydroxy-terminated polyurethane polymer obtained from a polycarbonate diol, a carboxyl group-containing chain extender and a polyisocyanate compound in water in the presence of a tertiary amine, and (b) a conventional aqueous emulsion of a synthetic resin or a synthetic rubber, and (B) a curing component comprising a polyisocyanate compound, which can be cured even at a low temperature and is suitable for dry lamination of a product having complicated shape.

Abstract: Intercalates formed by contacting the layer material, e.g., a phyllosilicate, with an intercalant polymer to sorb or intercalate the polymer between adjacent platelets of the layered material. Sufficient intercalant polymer is sorbed between adjacent platelets to expand the adjacent platelets to a spacing of at least about 50 .ANG. (as measured after water removal to a maximum of 5% by weight water), up to about 100 .ANG. and preferably in the range of about 10-45 .ANG., so that the intercalate easily can be exfoliated into individual platelets. The intercalated complex is combined with an organic liquid into an unexpectedly viscous carrier material, for delivery of the carrier material, or for delivery of an active compound, e.g., a pharmaceutical, or cosmetic, or lubricant, e.g., food guide lubricants dissolved or dispersed in the carrier material. Alternatively, the intercalated complex can be exfoliated prior to combination with the organic liquid.

Abstract: A composition is provided for protecting exterior surfaces of automobiles and other products against abrasive dust, acid rain, etc. The composition is applied as a mixture of water solubilized acrylic acid copolymer, pH-neutral acrylic copolymer, alkyl alcohol, surfactant, and water. The composition dries on the exterior surface to form a tough flexible coating that can be removed by an alkaline aqueous detergent solution.

Abstract: Pulverulent pigment preparation comprising a) an organic or inorganic pigment, b) a compound from the group consisting of novolaks, alkoxylated fatty alcohols, bisphenol polyglycol ethers, alkoxylated fatty amines, alkoxylated fatty acids or the esterification and/or arylation products prepared from a natural or modified castor oil fatty compound, which are alkoxylated and, if desired, esterified with dicarboxylic acids to form linked structural repeating units, c) a water-soluble mixture of polyvinyl alcohol and vinyl alcohol or of vinyl alcohol copolymers, and d) further customary additives, the sum of all components being 100% by weight. Plasters and emulsion paints are pigmented by simply stirring in the pulverulent pigment preparation.

Abstract: An air-entraining agent for use in cementitious mixtures having fly ash. The air-entraining agent being particularly well suited for use with high carbon or high LOI fly ash.

Abstract: An impermeable elastic membrane for hydropneumatic accumulators is made from an impermeable film of completely hydrolyzed polyvinyl alcohol, with a high molecular weight, and plasticized, with protective layers on both sides of polyamide, ethylene vinyl alcohol, or ethylene vinyl acetate. The membrane may be used in the hydropneumatic suspension of an automobile. The film can be obtained by extrusion, by injection molding, or by pressure molding.

Abstract: A water-based pressure sensitive adhesive formulation is provided with one or more high molecular weight linear aliphatic polymers. The resulting composition can be used to form stable filaments or delivered from the coating die of a premetered coater in the form of a stable sheet at a flow rate substantially less than the minimum delivery flow rate achievable using the formulation without polymer. Low levels of polymer can provide dramatic improvement in the viscosity of such compositions, without detrimental effect on the adhesive and other desireable qualities of the composition.

Abstract: Disclosed are optically clear xerogel polymer compositions containing an interpenetrant.

Abstract: The present invention is concerned with a novel azo compound represented by formula (1), (2) or (3), a water-soluble dye comprising this azo compound, and a polarizing film containing this azo compound. The obtained polarizing film has high hydrothermoresistance and a high polarization degree and is excellent in optical characteristics: ##STR1## wherein each of R.sub.1, R.sub.3 and R.sub.12 is independently a hydrogen atom, halogen atom, hydroxyl group, alkyl group having 1 or 2 carbon atoms, or alkoxy group having 1 or 2 carbon atoms; each of R.sub.2, R.sub.4, R.sub.8 and R.sub.9 is independently a hydrogen atom, hydroxyl group, alkyl group having 1 or 2 carbon atoms, alkoxy group having 1 or 2 carbon atoms, or acetylamino group; R.sub.5 is a hydroxyl group or amino group at the o-position or p-position to the azo group; each of R.sub.6 and R.sub.10 is a hydrogen atom, carboxyl group, or alkoxy group having 1 or 2 carbon atoms; each of R.sub.7 and R.sub.

Abstract: Solvent free liquid masking compositions comprise from about 5 to about 20 percent by weight of an aliphatic polyol; from about 1 to about 20 percent by weight of a plasticizer; from about 0.1 to about 1 percent by weight of a surfactant; and sufficient water to total 100 percent by weight, wherein the masking composition is water-soluble and devoid of volatile organic chemicals; it is devoid of polymer resins other than polyvinyl alcohol in amounts sufficient to render the film water-insoluble and is stain resistant to applied surfaces. A method for protecting selected surfaces from paint in painting operations comprises applying a solvent free liquid masking composition to selected surfaces of an object where paint subsequently applied is not desired; allowing the liquid masking composition to dry, forming a film; painting the object, whereby surfaces carrying the film are protected from the application of paint; and removing the film.

Abstract: This invention relates to a heat cured foundry binder system comprising as separate components (A) a furan resin, and (B) an effective amount of a curing catalyst composition comprising water, a copper aryl sulfonate, a aryl sulfonic acid, preferably polyvinyl alcohol, and a copper halide.

Abstract: A method for manufacturing an anti-reflective layer comprises the steps of coating a polymer solution containing at least one compound selected from the group consisting of phenol-based resins, water-soluble resins and acryl resins as a main component, and then baking at a high temperature. The method is simplified and the layer's reflectance is greatly enhanced.

Abstract: Water-based correction fluids for covering typing, writing or drawing errors contain a particulate opacifier, a water-soluble or water-dispersible binder, water and a di- or tri-quaternary ammonium compound to prevent bleed of inks.

Abstract: A polymer scale preventive agent for use in polymerization of a monomer having an ethylenically unsaturated double bond, comprising an alkaline solution containing (A) a condensation product of (A-1) a hydroxynaphthalene compound and (A-2) an aldehyde compound, and (B) an inorganic colloid. This agent is used for forming a coating on the inner wall, etc. of a polymerization vessel. Such a vessel is effective in preventing polymer scale deposition, not only in the liquid-phase region but also in the vicinity of the interface between the gas and liquid phases in the vessel, and useful in producing a polymer that shows very few fish eyes and good whiteness when formed into sheets or the like.

Abstract: Improved water-based latex compositions are provided comprising a water-based latex emulsion and boric acid. It has been surprisingly found that by adding boric acid to water-based latex emulsions known in the art, micro-organism growth is eliminated. In a preferred composition, the boric acid is present in an amount of about 0.10% to about 10% by weight of the total composition.

Abstract: Preparation of polyvinyl acetals which can form emulsifier- and surfactant-free aqueous dispersions and redispersible dry powders and contain copolymeric polyvinyl acetals with, in amounts sufficient to form a dispersion, comonomer units carrying sulfo salt groups which are derived from copolymeric polyvinyl alcohol (PVALs) which contained comonomer units carrying sulfonate groups in the salt form. The preparation is carried out by acetalization of the starting polyvinyl alcohols to be used with aldehydes or aldehyde acetals under acid-catalyzed acetalization conditions in an aqueous medium, emulsifier-free stable aqueous polyvinyl acetal dispersions being obtained, from which dry redispersible polyvinyl acetal powders can be obtained by spray drying or freeze drying. The polyvinyl acetals according to the invention can be plasticized by mixing in plasticizers both in their aqueous dispersion form and in the dry powder form.

Abstract: A masking composition for protecting a surface from paint overspray, the masking composition including: polyvinyl alcohol which is at least 98.0% hydrolyzed and has a viscosity less than about 7 centipoise in 4% aqueous solution at 68.degree. F.; a surfactant; and water.

Abstract: Disclosed are denture adhesive compositions possessing improved aesthetics and comprising a component which provides for easy removal of the adhesive from the denture and a hydrophilic powder.

Abstract: A synthetic resin composition comprises an aqueous medium, a surfactant, and a resin and filler dispersed in the aqueous medium by the surfactant. The surfactant comprises a first high molecular weight compound having a weight-average molecular weight of at least 10000 and a second high molecular weight compound having a weight-average molecular weight of not less than 150 and less than 10000. In the synthetic resin composition, a solid material is well dispersed and the viscosity doesn't remarkably increase even if a solid content is increased. So, the increased amount of a non-volatile matter may be used and the storage stability improves. Further, flame retardation, deodorization, heat resistance and light fastness also improve. In addition, an interior material coated with the synthetic resin composition is provided.

Abstract: Provided is an ink jet ink comprised of water, a pigment, a polymeric electrolyte, preferably a sodium, potassium or lithium salt of a polymeric carboxylic acid, a polyhydric alcohol and a stearate, preferably aluminum stearate. The presence of the stearate, particularly in combination with the polymeric electrolyte, provides one with an ink jet ink which upon printing makes a perfectly round dot located only on the surface of the paper. The image also dries very quickly, is of high density and is waterfast. Printing problems are also avoided, such as plugging.The process for preparing the foregoing ink jet ink comprises comminuting a formulation containing the components followed by a separation step. The separation step is important to provide a stable dispersion of the ink formulation.

Abstract: A saponified ethylene-vinyl acetate copolymer is oxidation-treated in solution in a solvent mixture of water and alcohol in the presence of hydrogen peroxide and a polyvalent metal salt to provide an oxidation-treated polymer solution. This oxidation-treated polymer solution is coated on a substrate, e.g. a polymer film, to provide a laminate.

Abstract: Aqueous emulsions which include polyvinyl butyral are prepared by mixing a nonionic emulsifier with polyvinyl butyral and, if desired, with a plasticizer resin and, if desired, with one or more solvents, and adding water under the action of shear forces.

Abstract: A vehicle masking material and method of use. The masking material in one embodiment includes polyvinyl alcohol, ethyl alcohol, glycerine or triethylene glycol, a surfactant, and water. The masking material is applied to a surface which is to be protected from paint overspray or other mechanical process, allowed to dry, and paint is applied. After drying of the paint, the masking material is removed by peeling or water washing.

Abstract: A modeling dough comprising gelled poly(vinyl alcohol), water and a filler provides a dough resistant to flaking, cracking, and crumbling. In the disclosed invention, the poly(vinyl alcohol) resin is gelled, thereby providing a water-based resin system that is not sticky yet very ductile. Prior to drying, the dough also exhibits the properties of bounceability and the ability to pick up newsprint. After the dough is air-dried, the poly resin serves to bind the components into a solid, durable product. The filler accounts for a large portion of the volume of the dough, so the overall volume is not greatly affected by water loss upon drying. The dough is water-based and easy to wash from skin, carpets, and other surfaces. Dyes and pigments can be easily incorporated into the formula. The dried product is sandable and paintable.