Abstract: Macrocyclic compounds, e.g., ketones, crown ethers, methicones etc., have been found to be effective co-solvents in solvent based adhesives for pipe joining applications. Because of their enhanced solubility with VOC exempt solvents (40 C.F.R. 51.100), the calculated VOC content of the adhesive can be lowered to at least 75% of those established by SCAQMD Rule 116A.

Abstract: Process for manufacturing a fabric having distinctive and sharp differentially colored patterns or designs, which process comprises the steps of: (a) producing a first and a second polyamide, said polyamides having different concentrations of amine groups; (b) producing a first and a second polyamides having different concentrations of carboxyl end-groups and sulfonate groups; (c) producing a first yarn from said first polyamide and a second yarn from said second polyamide; (d) making a fabric having first surface areas defined by said first yarn and second surface areas defined by said second yarn; and (e) chemically dyeing said fabric in a dyeing bath comprising at least one anionic (acid) dyestuff and at least one cationic (basic) dyestuff, whereby said first yarn and therefore said first surface areas are dyed predominantly by said anionic dyestuff and said second yarn and therefore said second surface areas are dyed predominantly by said cationic dyestuff.

Abstract: A composition for a dielectric layer of a plasma display panel and a plasma display panel including the same are disclosed. The composition includes a glass frit, a binder, a dispersant, a plasticizer, and a solvent. The binder includes about 50 to 85 parts by weight of a first monomer, about 10 to 30 parts by weight of a second monomer, and about 1 to 20 parts by weight of a third monomer based on 100 parts by weight of the binder.

Abstract: A resin solution usable for forming a protection layer, including an organic solvent and a resol resin. The resin solution may further include any combination of a cross-linking agene or agent(s), a photo active compound (PAC) or compounds(s), and/or development accelerator or accelerator(s) a method forming a cured resin layer, including applying a resin solution, including a resol resin, directly or indirectly on a substrate and hard baking the resin solution to form the cured resin layer. The resin solution may include a resol resin and/or a novolac resin.

Abstract: An agricultural article made of a composition containing (a) an organic polymer, and (b) an additive mixture comprising the components (b-0) a photosensitizer, (b-I) an organic salt of a transition metal, and optionally (b-II) an inorganic peroxide or inorganic superoxide.

Abstract: At least one embodiment of the present invention relates to an erasable ink composition particularly useful in a writing instrument for simultaneous the appearance of a graphite pencil. The composition of the present invention comprises a solvent system, a rubber and a pigment. The solvent system used in the present invention comprises an organic ester and a component selected from the group consisting of an optionally substituted cycloalkane, an optionally substituted cycloalkanone, an optionally substituted cycloalkene, or mixtures thereof. A sufficient amount of the solvent system is present so that the erasable ink composition will flow in a writing instrument. Preferably, the erasable ink composition of the present invention includes a pigment comprising graphite and carbon black. Finally, the erasable ink composition optionally includes a plasticizer, a liquid butene, or one or more additives selected from the group consisting of a corrosion inhibitor, a flow enhancing compound, and mixtures thereof.

Abstract: The present invention provides polymeric compositions comprising an hydrogenated anthraquinone derivative and/or its enol/enolate tautomer. Methods of scavenging oxygen and preventing transmission of oxygen into a package using said compositions are also provided.

Abstract: A curable coating composition includes a polyester, a curing agent for curing the polyester, a curing catalyst, a composite solvent having at least two solvents with different dissolving powers for the polyester, and a wax incompatible with the polyester. A method for making a coated metal plate having an embossment-like texture formed from the coating composition, and the coated metal plate made thereby are also disclosed.

Abstract: New compositions for use as high refractive index layers are provided. The compositions comprise a polyimide dispersed or dissolved in a solvent system. The polyimide can be prepared from commercially available dianhydrides and diamines. Preferred polymer include recurring monomers selected from the group consisting of The inventive compositions can form strong, thin films and have high refractive indices making them useful in a wide range of optical applications.

Abstract: A polysulfone-based resin solution composition which is stable, contains no undissolved resin left in the liquid, shows neither thickening nor gelation, gives a smooth coating layer when spread on a base film and does not generate any harmful component, and a laminate which is produced by spreading and drying the same polysulfone-based resin solution composition on a base film surface. More specifically, a polysulfone-based resin solution composition prepared by dissolving at least one type of polysulfone-based resin in a mixed solvent composed of a lactone (A) or ketone (B) having an aromatic ring, and cycloketone (C) and aliphatic ketone (D) having a boiling point of 150° C. or lower, and a laminate which is produced by spreading and drying the same polysulfone-based resin solution composition on a base film surface.

Abstract: A polybutadiene composition comprising a polybutadiene type polymer and a compound represented by the following formula (I): wherein Ar1 and Ar2 each independently represent an aromatic ring, X and Y each independently represent an alkylene group having one or two carbon atoms, an oxygen atom or a carbonyl group, is provided; and thermal degradation of the polybutadiene type polymer can be prevented even in an air-free environment.

Abstract: This invention is a composition comprising (a) an oligomer or polymer dispersible in an organic solvent, having a low dielectric constant, or being curable to form a material having a low dielectric constant, (b) at least one organic solvent and (c) less than 1000 parts by weight of a polymeric coating additive per million parts by weight of total composition (ppm). The polymeric additive is characterized in that it is miscible with component (a) and the solvent system but becomes incompatible with the mixture of component (a) and solvent during the coating process.

Abstract: A method and apparatus for verifying the integrity of an object includes providing an authentic object with a layer that includes a volatile component and at least one other component, packaging the object so as to prevent a loss of the volatile component, opening the packaging causing the removal of at least some of the volatile component, and causing a color change with the remaining component for providing a visual indicator of the integrity of the object. A barrier layer may be provided to control the removal of the volatile component, and at least one chromophore may be provided to bias the first layer so as to reduce an amount of time required before the color change is detectable. The object may be gaming token, and the visual indicator may provide information related to the use of the gaming token.

Abstract: This invention is directed to stabilized antimicrobial compositions comprising an iodopropynyl compound, and a benzylidene camphor.

Abstract: Solvent weld cement (SWC) is used to fuse polymer pipes together. SWC is conventionally dispensed in liquid form from an open container by a swab or brush, resulting in release of fumes, oxidation and contamination of the SWC, as well as environmental contamination due to spilled SWC. A SWC is provided which remains stable while being stored in and dispensed from an aerosol container. The SWC composition comprises a polymer resin, CPVC, a solvent system including tetrahydrofuran, and at least one conventional propellant to allow the SWC to be dispensed from an aerosol container. The resulting SWC remains stable during storage, and when dispensed from the aerosol can provides a SWC with improved uniformity of application, ease of application, greater set-up time, and a SWC which is environmentally friendly.

Abstract: The present invention is directed to a golf ball containing a cover layer and a core layer, where the core layer is molded from a scorch retarding composition comprising a scorch retarding peroxide, an elastomeric polymer and a cross-linking agent. Preferably, the scorch retarding peroxide is present in an amount sufficient to delay cross-linking of the elastomeric polymer during core layer formation for a time sufficient to substantially prevent backrinding on the molded core layer. The golf balls of the invention may further comprise at least one intermediate layer interposed between the cover layer and the core layer, at least one of the layers being molded from a scorch retarding composition comprising a scorch retarding peroxide, an elastomeric polymer and a cross-linking agent. A method of making such golf balls is also disclosed.

Abstract: An adhesive and coating composition which is suitable for use in an aqueous environment is provided and which comprises a resin-plasticizer modified acrylonitrile-butadiene elastomer, dissolved in low-toxicity solvent. A method for repairing plastic sheet materials, particularly plastic sheet materials such as polyethylene (LDPE, MDPE), polypropylene (PP), polyvinyl chloride (PVC) and polyvinylidene chloride (PVDC),using the adhesive and coating composition wherein certain controls are effected is also provided. Such an adhesive composition provides a fast and extremely effective means for repairing perforations and tears in plastic sheet materials, is long lasting, safe and does not discolor over time.

Abstract: Thermoplastic resin composition are provided that comprise a thermoplastic resin or mixture thereof and a stabilizing amount of an aromatic ketone compound, derivative of an aromatic ketone compound, or an adduct of an aromatic ketone compound, optionally containing a stabilizing amount of a stabilizer or mixture of stabilizers selected from the group consisting of the phenolic antioxidants, the 3-arylbenzofuranones, the hindered amine stabilizers, the ultraviolet light absorbers, the organic phosphorus compounds, the alkaline metal salts of fatty acids, the hydrotalcites, the epoxydized soybean oils, the hydroxylamines, the tertiary amine oxides, thermal reaction products of tertiary amine oxides, and the thiosynergists. The compositions have improved stability against thermal degradation.

Abstract: The present invention relates to a low VOC solvent based adhesive comprising a mixture of at least two organic solvents and a thermoplastic resin. Desirably the adhesive has a flash point of at least 100.degree. F. when measured in accordance with ASTM D3828-87. The solvent blend of the low VOC solvent based adhesive of the instant invention volatilizes at substantially reduced rates as compared to conventional solvent blends in solvent based adhesives. Furthermore, this novel low VOC solvent based adhesive is easy to apply, cost effective, and cures within a reasonable time without the use of heat, ultraviolet light or other mechanical devices. In addition, the novel low VOC solvent based adhesive has good storage stability in metal or non-metal containers.

Abstract: A microencapsulatable solvent adhesive composition for coupling plastic conduits, such as pipes, connectors and related fittings comprises a water-insoluble polymer and a mixture of volatile organic solvents for the polymer, each of the solvents having 6 to 40 carbon atoms. This solvent adhesive composition is suitable for microencapsulation by aqueous-based microencapsulation processes. A plurality of microcapsules encapsulating the solvent adhesive composition are bound to a polymeric surface of a conduit, such as a pipe connector or fitting, by a binder composition, to form a surface coated with a layer of rupturable microcapsules. When the microcapsules are ruptured upon joining of the coated conduit to a second conduit, the volume of the released solvent adhesive composition is sufficient to cement the surfaces together.

Abstract: Laser marking compositions, articles of manufacture using same and methods of preparing said articles and compositions are disclosed which comprise a polymer including a cyclopentanone compound which is thermally stable at temperatures required to melt process polymers, but which will eliminate water when subjected to an excimer laser to form a visible mark comprising a cyclopentadienone.

Abstract: Disclosed is a solvent-based cement for bonding joints of polyvinyl chloride pipe and fittings. The cement of the composition contains at least about 10% by weight of a polyvinyl chloride resin, at least about 2% by weight of a solid alcohol having a melting point above at least about 20.degree. C., and at least about 10% by weight of a solvent or a mixture of solvents. There is also provided a method of joining two pieces of thermoplastic material, such a poly(vinyl chloride) piping and fittings, and the product piece having one or more joints formed thereby.

Abstract: The invention relates to a process for the preparation of totally or partially blocked polyisocyanates based on a blocking agent and on a polyisocyanate containing at least two free NCO groups, if desired in the presence of a chain extender, in which the totally or partially blocked polyisocyanates are prepared by a solvent-free and continuous procedure. This reaction is carried out in a static mixer or intensive kneading apparatus or extruder. The invention furthermore relates to the use of the totally or partially blocked polyisocyanates for PUR powder coatings and solvent-containing, one-component PUR stoving enamels.

Abstract: A thermosetting anti-reflective coating and method for making and using the same is disclosed for a broad range of exposure wavelengths, said coating containing an active curing catalyst, ether or ester linkages derived from epoxy functionality greater than 3.0, a dye-grafted hydroxyl-functional oligomer, and an alkylated aminoplast crosslinking agent, all present in a low-to-medium alcohol-containing solvent.

Abstract: A hydrophilic coating composition used to impart increased lubricity and wettability to the surface of a hydrophobic substrate which is comprised of three essential components:1) Hydrogel-forming polymer component A2) Water-soluble polymer component B3) Common solvent C for the components A and BThe water-insoluble, hydrogel-forming component A consists of a segmented copolymer with long, hydrophilic terminal blocks and the essentially hydrophobic central section. The two polymer components A and B have a limited miscibility in the absence of a common solvent C. Therefore, their blend tends to separate spontaneously into two polymer phases. The phase separation takes place during the solvent evaporation or extraction. A gradient of hydrophilicity and swelling within the coating layer is thus spontaneously created achieving a good adhesion to the substrate and high surface hydrophilicity at the same time.

Abstract: Spent photographic film having at least a polyester base, blue dye, and a polyvinylidene binder layer, and from which the photographic emulsion has been removed, is treated to recover usable polyester. The spent photographic film is heated in cyclohexanone at a temperature sufficient and for a time sufficient to remove both polyvinylidene and dye compounds from the polyester base. The recovered polyester may then be mixed with virgin polyester and extruded to produce a polyester product comprising in part recovered polyester and in part virgin polyester.

Abstract: A room temperature curable rubber composition of a condensation curing type that comprises as a base polymer a diorganopolysiloxane or a polyoxyalkylene in which both ends of the molecular chain are blocked with a hydrolyzable silyl group, and a carbonyl compound, an amino group containing organic compound, and an .alpha.,.beta.-unsaturated carbonyl compound that are blended with the base polymer. Since the room temperature curable rubber composition is cured with water in the air and at the same time the dehydration condensation of the carbonyl group and the amino group produces water in the composition, the quick curability and deep curability are improved remarkably.

Abstract: A CPVC adhesive for joining CPVC pipes comprises: (a) about 18 to 28 wt % CPVC resin; (b) a high vapor pressure solvent comprising about 15 to 35 wt % tetrahydrofuran and 0 to about 30 wt % methyl ethyl ketone; and (c) a low vapor pressure solvent comprising about 20 to 45 wt % cyclohexanone, 0 to about 30 wt % N-methyl pyrrolidone, and 0 to 10 wt % dibasic esters (a mixture of refined dimethyl esters of adipic, glutaric, and succinic acids). The VOC level of the CPVC adhesive composition of the invention is at or below the allowed maximum value of 450 g/l, yet the adhesive meets or exceeds required performance standards, such as hydrostatic burst strength and hydrostatic sustained pressure test.

Abstract: Priming composition containing a homogeneous liquid solution containing a polymeric material and at least one water-miscible solvent in an amount sufficient to provide adhesion between wet or dry road surface materials and adhesive coated articles. The priming composition allows the marking of roadways with pressure sensitive adhesive articles even on wet or damp roadway surfaces. Also a method for priming roadway surfaces.

Abstract: A PVC adhesive for joining PVC pipes comprises: (a) about 10 to 22 wt % PVC resin and about 2 to 25 wt % acrylic resin, the total of the PVC resin and acrylic resin ranging from about 18 to 35 wt % of said adhesive; (b) a high vapor pressure solvent comprising about 10 to 50 wt % tetrahydrofuran and 0 to about 40 wt % methyl ethyl ketone, with the total high vapor pressure solvent concentration not exceeding a maximum concentration of about 55 wt % of the total adhesive composition; and a low vapor pressure solvent comprising about 10 to 35 wt % cyclohexanone and 0 to about 35 wt % N-methyl pyrrolidone, with the total low vapor pressure solvent concentration at least about 19 wt % of the total adhesive composition. The VOC (volatile organic compound) level of the PVC adhesive composition of the invention is at or below the allowed maximum value of 450 g/l, yet the adhesive meets or exceeds required performance standards, such as lap shear strength.

Abstract: A method of adhesively bonding or welding a first plastic surface to a second plastic surface is described which comprises the steps of:(I) applying to the first surface or second surface or both surfaces, a composition which is free of hollow microspheres and comprises a mixture of(A) from about 5% to about 60% by weight of at least one water-insoluble polymer selected from ABS, PVC, CPVC or mixtures thereof;(B) from about 1% to about 60% by weight of at least one water-insoluble polymer selected from acrylic polymers, vinyl aromatic polymers and vinylpyrrolidone polymers; and(C) from about 10% up to about 90% by weight of at least one volatile organic liquid which is a solvent for polymers (A) and (B);(II) contacting the first surface with the second surface; and(III) allowing the adhesive composition to form a bond or weld between the first surface and the second surface.The invention also relates to compositions which comprise a mixture of components (A) through (C) as defined above.

Abstract: A composition is described with comprises a mixture of(A) from about 5% to about 60% by weight of at least one water-insoluble polymer;(B) from about 1% to about 30% by weight of inorganic or synthetic resinous hollow microspheres; and(C) from about 20% to about 70% of at least one volatile organic liquid which is a solvent for the polymer of (A).The compositions also may contain (D) at least one solid particulate inorganic filler. Adhesive compositions such as solvent cements prepared in accordance with the present invention are characterized as low V(olatile) O(rganic) C(hemical) compositions wherein the VOC is, for example, less than 500 or even less than 400 grams per liter.

Abstract: A composition is described with comprises a mixture of(A) from about 5% to about 60% by weight of at least one water-insoluble polymer;(B) from about 1% to about 30% by weight of inorganic or synthetic resinous hollow microspheres; and(C) from about 20% to about 85% of at least one volatile organic liquid which is a solvent for the polymer of (A).The compositions also may contain (D) at least one solid particulate inorganic filler. Adhesive compositions such as solvent cements prepared in accordance with the present invention are characterized as low VOC compositions wherein the VOC is, for example, less than 500 or even less than 400 grams per liter.

Abstract: Polymeric compositions characterized by their excellent thermal stability containing a polyphenylene ether or one of its blends with at least one (co)polymer of styrene and at least one compound belonging to the group of linear and/or cyclic beta diketones.Beta-diketones are capable of giving polyphenylene ether and/or its blends with styrenic polymers a long-lasting thermal stability in the molten state and of guaranteeing sufficient fluidity to ensure better processability compared to the same polymers in the known art.

Abstract: A low volatile organic compound emitting thermoplastic pipe adhesive includes a resin, one or more solvents, a low specific gravity filler such as hollow ceramic spheres and a thixotropic agent for maintaining the homogeneity of the adhesive mixture.

Abstract: A free flowing powder of discrete particles of a polar group-containing modified propylene polymer (MPP) is disclosed. This MPP powder has an average particle size of less than about 5 microns and comprises about 25-45 wt. % of discrete particles of the MPP and about 55-75 wt. % of a liquid which is a solvent for a film forming resin material, all wt. percentages being based on the total weight of the powder. The preferred MPP is maleic anhydride polypropylene. The preferred film forming resin solvent is methyl ethyl ketone (MEK). The MPP powder is adapted to be suspended in a primer composition containing a film forming resin, preferably an epoxy resin.

Abstract: Polymeric compositions characterized by their excellent thermal stability containing a polyphenylene ether or one of its blends with at least one (co)polymer of styrene and at least one compound belonging to the group of linear and/or cyclic beta diketones.Beta-diketones are capable of giving polyphenylene ether and/or its blends with styrenic polymers a long-lasting thermal stability in the molten state and of guaranteeing sufficient fluidity to ensure better processability compared to the same polymers in the known art.

Abstract: The present invention relates to filled elastomers which can be cured at low temperatures utilizing a quinoid/peroxide curing system in the presence of a select polar solvent accelerator. The select solvent accelerators which are utilized have the dual function of acting as both dispersing agents and curing accelerators. The instant invention herein includes the instant curing system, its use in a tire sealant composition, the puncture-sealing layer formed of the cured composition and the puncture-sealing tire.

Abstract: A surgical filament produced by spinning a mixture of polylactides and additive.

Abstract: There is provided a novel substantially anhydrous UV curable composition comprising a monomer and a solvent wherein the monomer is a multi-functional, non-oxygen inhibited polyacrylate and the solvent is a low volatility solvent containing at least 2 oxygenated functions which is substantially incorporated into the polymer during the curing step. There is also provided a method of curing such compositions which avoids the conventional drying step required heretofore.

Abstract: There is provided a novel substantially anhydrous UV curable composition comprising a monomer and a solvent wherein the monomer is a multi-functional non-oxygen inhibited polyacrylate and the solvent is a low volatility solvent containing at least 2 oxygenated functions which is substantially incorporated into the polymer during the curing step. There is also provided a method of curing such compositions which avoids the conventional drying step required heretofore.

Abstract: In human atmospheres (e.g., 55% relative humidity or above) solutions of 2,2-bis(3,4-dicarboxyphenyl)hexafluoropropane dianhydride/2,2-bis[4-(aminophenoxy)phenyl]hexafluoropropane polyamic acid polymers tend to be unstable in the sense that during spin coating operations undesirable precipitate formation may occur on the rotating surface of a semiconductor wafer. The result is the formation of unacceptable coatings due to their irregularity and lack of uniformity. Described are solutions of these polyamic acid polymers in a solvent containing one or more cycloaliphatic ketones, such that the solution (a) contains on a weight basis from about 5% to about 40% of the polyamic acid and (b) does not undergo precipitate formation during spin coating in an atmosphere of up to at least about 55% relative humidity.

Abstract: A primar composition comprising(A) 100 parts by weight of an organo-polysiloxane represented by the formula (1) ##EQU1## wherein R.sup.1 represents a substituted or unsubstituted monovalent hydrocarbon group, and a is a number of from 1.98 to 2.01, provided that 25 to 50 mol % of the hydrocarbon group is a perfluoroalkyl group and 0.01 to 10 mol % of the hydrocarbon group is a vinyl group, said organo-polysiloxane having a viscosity as measured at 25.degree. C. of 1,000,000 centistokes or more;(B) 5 to 100 parts by weight of a silica type filler;(C) 0.5 to 50 parts by weight of isocyanurate-type organosilicon compound represented by the formula (2) ##STR1## wherein R.sup.2 represents an alkyl group, a fluoroalkyl group or an alkoxyalkyl group, each having 1 to 5 carbon atoms in the alkyl moiety, and n is an integer of 1 to 5; and(D) a desired amount of an organic solvent.

Abstract: Stable prepolymer solutions are made from partially cyclotrimerized 4,4'-thiodi(phenylcyanate) dissolved in cyclopentanone. The prepolymer solutions are used to make flame retardant and thermally stable laminates.

Abstract: A composition for injection molding a ceramic powder to make ceramic shapes is described. The composition comprises a ceramic powder and a binder system. The binder system comprises a distilled thermosetting polycarbosilane containing from about 0.4 to about 0.7 weight percent of a cross-linking inhibitor, a surfactant, and with or without a lubricant. The cross-linking inhibitor is selected from the group consisting of p-benzoquinone, benzophenone, and mixtures thereof.

Abstract: An essentially isocyanate-free polyurethane, polyurea, polyethylenic oligomer is disclosed which is unusually strong and elastic and which possesses improved solvent solubility. This oligomer is the reaction product of: (1) organic diisocyanate; (2) a stoichiometric deficiency of difunctional materials reactive therewith and consisting essentially of: (A) diol component selected from polycarbonate diol and polyoxyalkylene glycol, this diol component having a molecular weight of from 200 to 2000; (B) dihydric bisphenol-based alkylene oxide adduct containing from 2-6 alkylene groups per molecule; and (C) a diprimary diamine component selected from alkylene diamine and polyoxyalkylene diamine, this diamine component having a molecular weight of from about 60 to 800. Components (A) and (B) are present in a mole ratio of, from 1:1.5 to 1:5 and component (C) is present to supply from 5 to 30 equivalent percent of the total equivalents of component (2).

Abstract: (1) Curable bisimide resins comprise a mixture of(a) 5 to 95% of at least one bisimide of the general formula I ##STR1## in which B represents a divalent radical containing a carbon-carbon double bond and A is a divalent radical containing at least two carbon atoms and(b) 95 to 5% of a polyhydantoin polymer of formula II ##STR2## wherein R.sub.1 represents an aromatic hydrocarbon radical, R.sub.2 represents hydrogen or an alkyl group having 1 to 6 carbon atoms, R.sub.3 represents an aromatic hydrocarbon radical, an alkyl radical having 4 to 10 carbon atoms optionally interrupted by one or more oxygen or sulphur atoms, and X is an integer of from 20 to 5000.

Abstract: A polyetheramide-imide polymer composition comprising an aromatic polyetheramide-imide polymer obtained by reacting trimellitic acid or a derivative thereof with a special aromatic diamine having ether linkages, and an ether compound and/or an alicyclic ketone compound as a solvent is excellent in film-forming properties at low temperatures.

Abstract: A paint composition comprising a film-forming polymer, and at least one sparingly soluble metalliferous pigment, and wherein said polymer comprises (A) from 20 to 45 wt. % of monomer units of at least one triorganotin salt of an olefinically unsaturated carboxylic acid; (B) from 5 to 35 wt. % of at least one comonomer selected from the group consisting of VP (vinylpyrrolidone), VPi (vinylpiperidone) and VC (vinylcaprolactam), and wherein the total of A+B amounts to from about 40 to about 70 wt. % of the polymer composition; and (C) the balance of said polymer being monomer units of at least one C.sub.1 -C.sub.4 alkyl methacrylate, styrene and mixtures of said methacrylate and styrene.

Abstract: Described herein is a solution comprising a select group of poly(aryl ether sulfones) dissolved in a cyclohexanone solvent. The solution is suitable for use in coatings or for casting into film.