Abstract: Method and apparatus for treating a textile fabric with a volatile organic solvent and the resulting treated fabric which comprises, in cooperative sequence, pretreating said fabric in a pretreat stage by sequentially preheating to remove volatile materials and then cooling, followed by applying said solvent to the fabric in an application stage and then drying the fabric by evaporation and condensing and recovering the evaporated solvent in a drying and recovery stage, followed by recycling the recovered solvent back to said application stage. The invention has particular utility by providing a method which enables the recycling of the organic solvent from a fabric treating process and, therefore, provides an improved treated fabric.

Abstract: Method of preparing polyurethane composite mold by injecting a composite reaction mixture onto a master form in a mold cavity, curing said reaction composite and removing it from the master form in a step-wise process involving a pressure manipulation. Said composite comprises 100 parts by weight inorganic water insoluble inert granular material and about 50 to about 200 parts by weight liquid polyurethane reaction mixture substantially free of volatile solvents.

Abstract: A packaging film composite and packaged articles therewith, said packaged articles include unvulcanized rubber compounding ingredients for unvulcanized rubber and compounding ingredients for thermoplastic polymers. Said packaged film composite is comprised of (1) an unvulcanized elastomeric block copolymer, (2) an anti-block agent selected from (A) stearyl erucamide and behenamide, (B) oleyl palmitamide and behenamide and (C) stearyl erucamide, oleyl palmitamide and behenamide, and, preferably, (3) a thermoplastic resin characterized by being soluble in styrene. The invention further relates to a method of preparing said packaged articles and to compounded high unsaturation rubber and compounded thermoplastic polymers prepared by mixing a package of compounding agents therewith packaged with the film composite of this invention.

Abstract: A package comprised of an article selected from unvulcanized rubber, compounding ingredients for unvulcanized rubber and compounding ingredients for thermoplastic polymers wrapped in a protective film composite compatible with said unvulcanized rubber or thermoplastic polymer respectively. Said film composite is comprised of an admixture of (1) an unvulcanized elastomeric block copolymer and (2) a thermoplastic aromatic group-containing resin characterized by being soluble in styrene. The invention is further directed to a method of preparing the package and to compounding high unsaturation rubber and thermoplastic polymers prepared by mixing said package with high unsaturation rubber or thermoplastic rubber respectively.

Abstract: This invention concerns a method of polymerizing high acrylonitrile resins in the presence of polymerized copolymers or terpolymers to produce thermoplastic products susceptible to molding and processing operations and having high impact strength and high heat distortion temperatures.

Abstract: An impact resistant poly(methyl methacrylate) composition which comprises a solid external phase and a discrete microdispersed solid internal phase with refractive indices in the range of about 1.45 to about 1.55. Said composition is prepared by polymerizing methyl methacrylate monomer, co-monomer mixture or sirup thereof in the presence of a microdispersion therein of a cross-linked graft polymer prepared by copolymerizing a mixture of acrylic or methacrylic ester, selected vinyl substituted monomer and a selected polyfunctional monomer. The composition of this invention can be particularly suitable for use where clear sheet glass is used and where a clear plastic material is desired having good impact strength and optical properties.

Abstract: A metal salt of an anhydride modified resin prepared by reacting an aqueous medium (A) a water soluble metal salt and (B) the sodium or potassium salt of the acid of said anhydride modified resin or (C) the sodium or potassium salt of the half acid/half ester of said anhydride modified resin. Such metal salts may have utility as additives for constituents in pressure sensitive adhesives and as tackifying agents.

Abstract: A hydrocarbon-derived resin having a softening point in the range of about 0.degree. C to about 25.degree. C derived from polymerizing piperylene and selected methyl branched tertiary olefins in the presence of boron trifluoride or boron trifluoride etherate. Such resins are particularly useful for the preparation of pressure sensitive adhesives, especially when such resins are mixed with other hydrocarbon-derived resins having high softening points in the range of about 80.degree. C to about 110.degree. C.

Abstract: A water reducible resin composition, a water reducible admixture of such resin with solvents and plasticizers, a water reduced form of such mixture suitable for a coating, and a coating prepared from such water reduced mixture. Said resin is required to be prepared from a balance of hydrophobic enhancing and hydrophilic enhancing monomers. Generally such hydrophobic enhancing monomers are required to be a balance of monomers promoting hard and soft segments of the resin.

Abstract: A substantially solid industrial polyurethane tire/wheel assembly where said polyurethane is prepared by reacting (A) a curative of 1,3-propane diol with a prepolymer of diphenylmethane-4,4'-diisocyanate and a polymeric polyol or (B) a curative complex of 4,4'-methylene dianiline with a prepolymer of a diisocyanate selected from diphenylmethane-4,4'-diisocyanate and toluene diisocyanate with a polymeric polyether polyol. It is an important feature of this invention that the selection of reactants involved, for the dianiline complex, a partial substitution of the polyether polyol with a polyether-ester polyol.

Abstract: An amide particularly suitable as a light stabilizer and also for copolymerizing with other monomers, wherein said amide has the following structure: ##STR1## where R.sub.1 is an aryl radical having the structure: ##STR2## WHERE A AND A' ARE SELECTED FROM HYDROGEN, HYDROXYL AND MEDIUM ALKYL HYDROCARBON RADICALS; B AND B' ARE SELECTED FROM HYDROGEN AND MEDIUM TO LOWER ALKYL HYDROCARBON RADICALS, AND C IS SELECTED FROM MEDIUM TO LOWER ALKYL HYDROCARBON RADICALS, ARYL KETONE RADICALS, 2'-HYDROXY ARYL KETONE RADICALS AND 4'-OCTYL ARYL KETONE RADICALS; R.sub.4 is selected from the aryl radicals of R.sub.1 and from aliphatic hydrocarbon radicals having from 1 to 8 carbon atoms; R.sub.2 is selected from hydrogen, methyl, ethyl, phenyl and --CH.sub.2 X radicals, where X is selected from chlorine, bromine or fluorine radicals; R.sub.3 is selected from medium and lower alkyl, cycloalkyl and aryl radicals; and where R.sub.5 is selected from hydrogen, methyl and chlorine radicals.

Abstract: This invention relates to a process for increasing the coefficient of friction of dry mix organic brake linings by coating a finely divided phenolic resin with rubber latex, thoroughly mixing with friction brake material and molding and curing the resulting compound under pressure.

Abstract: A shock absorbing element, suitable for use in a railroad draft gear, as well as a resilient polyureaurethane composition therefor, said element characterized by a compressive cycling test as well as preferably a cold temperature compression test, where said polyureaurethane is prepared by reacting a complex of 4,4'-methylene dianiline and a salt with the reaction product of selected diisocyanates and manipulatively selected polymeric polyols. An assembly of such shock absorbing elements is also disclosed under compression in a cylinder suitable as a railroad shock absorbing draft gear.

Abstract: An extrudable compounded polyvinyl chloride and a method for its preparation which comprises a free-flowing particulate mixture of polyvinyl chloride, selected plasticizer, silica pigment, selected heat stabilizer, selected chelator, lubricant, selected surfactant and selected slip-antiblock agent. The compounded polyvinyl chloride uniquely has, as an extruded film, anti-moisture fogging and oxygen transmissive properties suitable for packaging meat, yet can be used in high speed packaging machines.

Abstract: A solid industrial polyurethane tire and a wheel assembly comprised of such a tire adhered to a rigid central core, or hub. The hub is generally adaptable to fit onto an axle of an industrial vehicle. Said polyurethane, itself, is prepared by reacting a complex of 4,4'-methylene dianiline and a salt with a prepolymer of selected diisocyanates and selected polyester polyols and polyether polyols and prescribed mixtures thereof.

Abstract: A metal salt of an anhydride modified resin prepared by reacting an aqueous medium (A) a water soluble metal salt and (B) the sodium or potassium salt of the acid of said anhydride modified resin or (C) the sodium or potassium salt of the half acid/half ester of said anhydride modified resin. Such metal salts may have utility as additives for constituents in pressure sensitive adhesives and as tackifying agents.

Abstract: Carboxyl terminated polymers prepared by reacting a cyclic anhydride with a liquid polymeric hydroxyl terminated polymer selected from polyethers, polydienes, and copolymers of the dienes with styrene or acrylonitrile in the presence of a catalyst selected from quaternary ammonium salts and from halogen acid salts of amines. The carboxyl terminated polymers can be used as flexibilizers in epoxy resins.

Abstract: A sprayable pressure-sensitive adhesive mixture comprising a dispersion of a thermoplastic hydrocarbon derived resin having a softening point in the range of about 80.degree. C to about 110.degree. C derived from piperylene and 2-methyl-2-butene and a styrene-isoprene-styrene unvulcanized elastomeric block copolymer in a liquid dispersant selected from ketones and alcohols containing about 0 to about 5 weight percent alcohol. The sprayable adhesive mixture enables a method of applying a pressure-sensitive adhesive with attenuated cobwebbing which comprises applying an atomized spray coat under pressure of such an adhesive dispersion onto a substrate and drying the mixture.

Abstract: A water reducible resin composition, a water reducible admixture of such resin with solvents and plasticizers, a water reduced form of such mixture suitable for a coating, and a coating prepared from such water reduced mixture. Said resin is required to be prepared from a balance of hydrophobic enhancing and hydrophilic enhancing monomers. Generally such hydrophobic enhancing monomers are required to be a balance of monomers promoting hard and soft segments of the resin.

Abstract: An adhesive composition which comprises an admixture of at least one of natural rubber and synthetic rubbers with a tackifying resin containing carbon-to-carbon unsaturation therein prepared by reacting in the presence of an aliphatic solvent and a catalyst selected from aluminum chloride and ethyl aluminum dichloride a monomer mixture comprised of about 88 to about 98 weight percent of a selected diolefin/olefin mixture and, correspondingly, about 12 to about 2 weight percent .alpha.-methyl styrene. Said adhesive composition has particular utility for use as a pressure sensitive adhesive.