Abstract: There are provided novel miscible blend compositions comprising (a) a cellulose ester and (b) a vinylphenol containing polymer. The blends do not exhibit large scale phase separation and provide properties which are essentially intermediate between those of either cellulose ester or vinylphenol containing polymers. The blends are useful for both molded and film applications as well as for coatings.

Abstract: This invention relates to binary blends of cellulose esters and aliphatic-aromatic copolyesters, cellulose esters and aliphatic polyesters as well as ternary blends of cellulose esters and/or aliphatic polyesters and/or aliphatic aromatic copolyesters and/or polymeric compounds as well as fibers, molded objects, and films prepared therefrom.

Abstract: An aqueous coating composition is provided containing up to 50 weight percent, based on the total solids, of a cellulose mixed ester and a compatible amine neutralized acrylic resin.

Abstract: A process for the production of a multi-layer paint coating in which base paints are employed which contain 5 to 20% by weight of crosslinked polymer microparticles, 2 to 15% by weight of a cellulose ester and 5 to 20% by weight of an epoxidized fatty acid ester, the weight percentages relating to the total content of nonvolatile constituents, excluding pigments and inorganic fillers, and the cellulose ester being so selected that a solution of 15 parts by weight of the cellulose ester in 85 parts by weight of a 9:1 mixture of acetone and ethanol at 23.degree. C. has a viscosity of 200 to 600 mPa.s.

Abstract: Spinnable dopes containing fiber-forming polymers being at least about 55% and less than about 80% lyotropic polysaccharide and at least about 20 percent and less than about 45% thermally-consolidatable polymer and a process for making oriented, shaped articles of lyotropic polysaccharide/thermally-consolidatable polymer blends by orienting the dopes and removing the solvent.

Abstract: The invention concerns a solvent-free, polymerizing hotmelt substance free of, or low in monomers, for corrosion- and/or abrasion proofing and/or forming a protective film with barrier properties on a real substrates and molded bodies made of metal, plastic, cellulose materials and/or inorganic materials, in particular for wrapping purposes, and consisting of(a) one or more polymerizing polymers containing hydroxyls with an average molecular weight (M.sub.w) between 1,000 and 500,000 and with a glass transition temperature (T.sub.g).gtoreq.20.degree. C., and/or(b) one or more polymerizing, linear, unbranched and/or unbranched polyesters and/or their copolymers with an average molecular weight (M.sub.w) between 900 and 50,000 and with a glass transition temperature (T.sub.g).gtoreq.-50.degree. C.

Abstract: Improved cellulose ester-polymer combinations contain a cellulose ester A and at least one polymerized monomer B of the following formula ##STR1## wherein the substituents have the meaning given in the description and wherein the particles of the combinations are essentially 0.1 to 10 mm in size.

Abstract: Improved cellulose ester dispersions in the aqueous phase contain dispersed particles which contain cellulose esters, a polymerized monomer A having a polymerizable double bond and a polymerized monomer B having at least two polymerizable double bonds.

Abstract: A method of preparing water-dispersed polymer blends, comprising the steps of:(i) preparing an aqueous polymerization mixture by adding to water, a sulfonate group-containing polyester or polyesteramide, one or more .alpha.,.beta.-unsaturated monomers and a polymerization initiator; and(ii) polymerizing said polymerization mixture to provide said water-dispersed polymer blend.Also disclosed is an aqueous dispersion of a polymer blend, comprising an aqueous dispersion having a solids content of about 30% to 65% of a polyester or polyesteramide blend comprising a sulfonate group-containing polyester or polyesteramide and a polymer comprising repeat units from one or more .alpha.,.beta.-unsaturated monomers.

Abstract: Coating compositions and pellets coated therewith which are adaptable for oral administration to ruminants are disclosed. The coating protects the core material of the pellets in the rumen and releases it postruminally. The coating is a specific mixture of a film-forming polymeric material, hydrophobic material and flake material.

Abstract: Disclosed are anaerobic adhesive compositions which cure under anaerobic conditions, said compositions being comprised of at least one carboxylated cellulose ester such as carboxylated cellulose acetate butyrate or carboxylated cellulose acetate propionate, at least one acrylate monomer, and at least one hydroquinone-based stabilizer. The composition can optionally contain an accelerator.

Abstract: Thermoplastic moulding materials consisting of(1) 70 to 99.9% by weight of a cellulose ester or cellulose mixed ester(2) 0.1 to 30% by weight of a rubber polymer built up in the form of blocks from recurring structural units (I) with molecular weights of 10,000 to 1,000,000--A--B-- IwhereinA denotes bifunctional polysiloxane segements of the formula--(R.sup.1)(R.sup.2)SiO--.sub.x IIin whichR.sup.1 and R.sup.2 =aryl (in particular phenyl) or alkyl (in particular methyl) andx is a number such that the molecular weight is .gtoreq.500, andB denotes bifunctional aliphatic polyester and/or aliphatic polyester segments with molecular weights of .gtoreq.800,and the glass transition temperatures of the polymeric blocks A and B are less than 20.degree. C., which contains additionally(3) 0 to 30% by weight based on the mixture of (1) and (2) of a plasticizer.

Abstract: A plastic article, in particular a highly crystalline plastic, can be effectively coated with a paint by using a primer composition comprising (A) a polyurethane, (B) a spiro-ortho-ester resin being capable of the ring-opening expansion, (C) a cellulose derivative and (D) a surfactant having a hydroxy group.

Abstract: The present invention relates to a liquid suspension of a high molecular weight, water-soluble polymer or water-soluble salt prepared by admixing and water-soluble polymer with a hydrocarbon carrier fluid and a suspending agent comprising an aqueous emulsion of a copolymer comprising a water-insoluble and substantially hydrocarbon-insoluble polymer consisting of particles having a dry weight average particle size of below 10 .mu.m and which is formed from monomers of which 80% to 100% are hydrophobic, 30 to 100% are polar and 0% to 20% are hydrophilic. More particularly, the copolymer comprises from about 80% to about 100% C.sub.1-30 alkyl methacrylate monomers and from about 0% to about 20% hydrophilic monomers. Preferably, the copolymer comprises 90% to 100% 2-ethylhexylacrylate and from about 0.5% to about 10% acrylic acid. The liquid suspension is capable of supporting about 5 pounds of water-soluble polymer per gallon of suspension.

Abstract: A colored opacified plastic material containing an organic binder, at least one pigment, a hydrophilic polymerizable plastic material and a cross linking agent is disclosed together with a method of making the same.

Abstract: The present invention relates to a novel acrylic composition, novel acrylic castings prepared therefrom, and a novel process for the preparation of the acrylic castings. The composition comprises methyl methacrylate, about 0.5 to 20% by weight of a carboxylated cellulose ester, and about 1 to 100 ppm of a vanadium promoter. Optionally, a heat dissipative material, such as a plasticizer or an additional monomer, can also be employed. In accordance with the process of the present invention, an acrylic monomer comprising methyl methacrylate is combined with about 0.5 to 20% by weight of a carboxylated cellulose ester so as to form an easily pourable syrup, about 1 to 100 ppm of a vanadium promoter is added to the syrup and the resulting solution is poured into a suitable mold, and the solution is cured at room temperature so as to form a hard acrylic casting.

Abstract: A colored opacified plastic material containing an organic binder, at least one pigment, a hydrophilic polymerizable plastic material and a cross linking agent is disclosed together with a method of making the same.

Abstract: The present invention relates to a novel acrylic composition, novel acrylic castings prepared therefrom, and a novel process for the preparation of the acrylic castings. The composition comprises methyl methacrylate, about 0.5 to 20% by weight of a carboxylated cellulose ester, and about 1 to 100 ppm of a vanadium promoter. Optionally, a heat dissipative material, such as a plasticizer or an additional monomer, can also be employed. In accordance with the process of the present invention, an acrylic monomer comprising methyl methacrylate is combined with about 0.5 to 20% by weight of a carboxylated cellulose ester so as to form an easily pourable syrup, about 1 to 100 ppm of a vanadium promoter is added to the syrup and the resulting solution is poured into a suitable mold, and the solution is cured at room temperature so as to form a hard acrylic casting.

Abstract: This invention relates to PU-coating compositions containing solvent and combinations of crosslinking agents and to a process for producing polyurethane coatings on the principle of heat-activated, one-coat reverse coating by knife-coating the polyurethane coating composition onto a temporary support, drying the layer and laminating the textile substrates using preferably heated pressure rollers, followed by heating at elevated temperatures, the coating compositions used being solvent-containing, 20 to 60% compositions of a polyurethane mixture I containing(A) relatively soft polyurethanes and(B) relatively hard one-component polyurethanes and a crosslinker combination II containing(C) formaldehyde-urea and/or formaldehyde-melamine resins and crosslinking catalysts and(D) aliphatic and/or aromatic polyisocyanates, particularly blocked polyisocyanates,and, optionally, additions of soluble cellulose esters, handle-improving agents, optionally polysiloxanes containing oxyalkylene groups and other standard additi

Abstract: The invention relates to an adhesive composition which is suitable for use on a shaped part of polyester, in particular a polyester film, and comprises a copolyester, optionally in combination with light-sensitive substances, fillers and pigments, whereby the copolyester additionally contains at least one copolymer of vinylidene chloride, preferably in a weight ratio of about 3:1 to 1:1. The adhesive composition can furthermore contain cellulose acyl esters, such as low molecular-weight cellulose acetobutyrate or cellulose propionate. Polybasic oxycarboxylic acids and levelling agents can also be present. The adhesive composition can be employed in mixtures with, for example, light-sensitive lacquer systems.

Abstract: Compositions and methods are provided for forming a coated wood product having the appearance and texture of wood grain, which conceals joints on the wood surface and which is capable of accepting conventional wood stain.

Abstract: The present invention relates to novel unsaturated polyester compositions and to a process for the preparation thereof. The composition comprises an unsaturated polyester, a reactive solvent for the unsaturated polyester, and at least about 0.5% by weight of a carboxylated cellulose ester. The unsaturated polyester comprises the reaction product of a diacid component which comprises at least about 50% by weight of an ethylenically unsaturated dicarboxylic acid and a diol component. The process of the present invention comprises reacting a diacid component with a diol component so as to form an unsaturated polyester resin, dissolving the unsaturated polyester resin in a solvating quantity of a reactive solvent, the resulting solution further comprising at least about 0.5% by weight of a carboxylated cellulose ester, and curing the solution in the substantial absence of additional initiator so as to form a substantially clear, solid unsaturated polyester composition.

Abstract: Contact lenses prepared from a polymer alloy essentially free from low molecular weight plasticizers and which comprises(A) 97-80% by weight of one or more cellulose esters of one or more aliphatic carboxylic acids, and(B) 3-30% by weight of an aliphatic polymeric compound having ester moieties, carbonate moieties or both ester and carbonate moieties in the polymer chain and having an average molecular weight of 2,000 to 300,000, with less than 2% by weight of compounds having a molecular weight below 500.

Abstract: Contact lenses and implants for human medicine can be fabricated from a polymer blend comprising 98-80% by weight of component A and 2-20% by weight of component B wherein:component A is a cellulose ester of an aliphatic carboxylic acid with up to 40% by weight of total component A of an ethylene/vinyl acetate copolymer having 30-98% by weight, relative to ethylene/vinyl acetate, of incorporated vinyl acetate andcomponent B is a homopolymer or copolymer of water-soluble vinyl monomers and up to 10% by weight relative to the total polymer B of multifunctional crosslinker vinyl compounds.

Abstract: Base coat compositions comprise a film-forming resin component selected from one or a mixture of any of alkyd, polyester, acrylic and polyurethane resins, having blended therewith from 1.0 to 15.0% by weight of pigment and from 2.0% to 50.0% by weight of cellulose ester material having the following chemical characteristics:Solution viscosity, seconds--0.05-0.005Acetyl, % by wt.--10.0-15.00Propionyl, % by wt.--0.1-0.8Butyryl, % by wt.--36.0-40.0Free-Hydroxyl, % by wt.--1.0-2.0The compositions when containing pigment such as metallic particles are particularly useful in wet-on-wet automotive finish applications, allowing minimal metallic particle reorientation upon the application thereto of polymeric top coats (particularly those containing solvent), and a considerable increase in solids content.

Abstract: Thermoplastic moulding compositions consisting of from 1 to 99% by weight of at least one cellulose ester or cellulose mixed ester, from 99 to 1% by weight of an aliphatic polyester or polyether containing carbonate groups and, optionally, standard auxiliaries and additives.

Abstract: Water-insoluble, high water-absorbent polymer beads are prepared by dispersing and suspending an aqueous solution of a water-soluble, ethylenically unsaturated monomer containing a small amount of a crosslinking agent in a dispersion medium of a hydrocarbon or a halogenated aromatic hydrocarbon, carrying out the bead polymerization in the presence of a water-soluble radical polymerization initiator and a protecting colloid comprising a cellulose ester or cellulose ether which is oil-soluble at the polymerization temperature, and separating the resulting beads.

Abstract: A cellulose derivative-containing emulsion composition which is the product of emulsion polymerization of at least one ethylenically unsaturated monomer in the presence of a water-solubilized product of a cellulose derivative-modified vinyl copolymer having an acid value of from about 3 to about 150, said vinyl copolymer being obtained by copolymerizing a cellulose derivative with an ethylenically unsaturated monomeric component composed of an ethylenically unsaturated acid and another ethylenically unsaturated monomer.

Abstract: An acrylic coating composition suitable for use as an automotive refinish lacquer comprises a mixture of(a) a solution in volatile organic solvent of an acrylic copolymer of 75-90% methyl methacrylate, 1.5-6.0% dimethylaminoethyl methacrylate and 8-23.5% of butyl acrylate, butyl methacrylate or lauryl methacrylate, the copolymer having a Tg of 80.degree.-95.degree. C.;(b) a solution in volatile organic solvent of cellulose acetate butyrate, the cellulose acetate butyrate having a viscosity of 0.5-5 sec and a hydroxyl value of 2 maximum; and(c) a monomeric ester plasticizersuch that the non-volatile constituents of (a), (b) and (c) comprise respectively 43.5-64.0%, 15.0-25.5% and 21.0-31.5% of the total weight of non-volatile material of (a) plus (b) plus (c).

Abstract: A coating composition adapted for repairing a damaged coating on a substrate comprises as the binder a mixture of a polyacrylate, an acrylated alkyd resin and a cellulose ester which form 100 percent of the binder. The coating composition is particularly well suited for use in preparing damaged paint on a motor vehicle body. The binder may be mixed with a volatile inert organic solvent for the binder in making the composition. The composition has a higher solids content than composition usually used for repairing damaged coatings and much thicker layers of the coating composition may be applied. By mixing the components of the binder in the ratio of 10 to 60 parts by weight of polyacrylate to 30 to 75 parts by weight of acrylated alkyd resin and 5 to 45 parts by weight cellulose ester to form the binder a coating composition having reduced tendency to crack and of improved solids content is obtained.

Abstract: An air-dry acrylic lacquer capable of forming a low-color, non-yellowing finish with excellent adhesion to either lacquer or enamel-coated substrates is provided. The lacquer is composed primarily of poly(methyl methacrylate), a methyl methacrylate/ethyl acrylate/t-butylaminoethyl methacrylate terpolymer, cellulose acetate butyrate, and a polyester plasticizer. Ordinarily, the lacquer is nonpigmented and provides a clear, glossy and durable film useful as the clear coat of a color coat/clear coat automotive finish.

Abstract: The present invention relates to non-pigmented jet ink compositions and to a method of producing opaque coded messages therewith. The compositions comprise, on a weight basis, between 2 and 15% of a gellable cellulose ester having a hydroxyl content of from 2 to 8%, from 1.5 to 15% of a binding agent selected from the group consisting of alkali soluble rosin type and maleic type resins, polyvinyl acetate resins, and acrylic resins, and a solvent blend, the blend consisting essentially of an organic solvent system and a non-solvent, said non-solvent comprising from 2 to 10% by weight of the ink compositions. Preferred solvents are methanol, acetone, methyl ethyl ketone and ethyl acetate, while the preferred non-solvent is water. Upon evaporation of the solvent blend, the resultant dry films scatter light incident thereto whereby the opaque images are produced. In a particularly preferred embodiment, a hygroscopic salt is included in the composition as an opacity enhancement agent.

Abstract: Compositions are described comprising blends of nitrile rubber and cellulose ester.

Abstract: The present invention relates to non-pigmented jet ink compositions and to a method of producing opaque coded messages therewith. The compositions comprise, on a weight basis, between 2 and 15% of a gellable cellulose ester having a hydroxyl content of from 2 to 8%, from 1.5 to 15% of a binding agent selected from the group consisting of alkali soluble rosin type and maleic type resins, polyvinyl acetate resins, and acrylic resins, and a solvent blend, the blend consisting essentially of an organic solvent system and a non-solvent, said non-solvent comprising from 2 to 10% by weight of the ink composition. Preferred solvents are methanol, acetone, methyl ethyl ketone and ethyl acetate, while the preferred non-solvent is water. Upon evaporation of the solvent blend, the resultant dry films scatter light incident thereto whereby the opaque images are produced. In a particularly preferred embodiment, a hygroscopic salt is included in the composition as an opacity enhancement agent.

Abstract: Water-soluble polymers are rapidly dissolved by employing a concentrate of (i) a water-soluble particulate polymer, (ii) a water-insoluble organic vehicle which is a non-solvent for the polymer, (iii) a nonionic surfactant agent having an HLB in the ranges of 3-5 and 9-13 and if necessary, a thickening agent.