Abstract: This invention relates to a coextruded, transparent, biaxially oriented polyester film comprising a base layer (B) and a heatsealable top layer (A) which is peelable from at least APET, the heatsealable and peelable top layer (A) consisting of a) 60–97% by weight of polyester and b) 3–30% by weight of a polyester-incompatible polymer (=anti-PET polymer), based on the mass of the top layer (A), wherein c) the polyester being composed of 25–95 mol % of units which derive from at least one aromatic dicarboxylic acid and 5–75 mol % of units which derive from at least one aliphatic dicarboxylic acid, the sum of the dicarboxylic acid-derived molar percentages being 100, and d) the layer thickness of the top layer (A) dA being from 0.7 to 2.5 ?m.

Abstract: Biaxially oriented polyester films which have at least one polyester-containing base layer (B) and at least one matt overlayer (A), the overlayer (A) comprising particles, preferably SiO2, which have a median diameter of from 2 to 10 ?m and have a SPAN98 of ?2, and the overlayer (A) comprising a polyester which has isophthalic acid units, feature in particular low opacity, high transparency, low gloss of the overlayer (A) and high processing reliability, and are therefore suitable as flexible packaging films even for use on high-speed packaging machinery.

Abstract: A method for preparing a biodegradable copolyester includes: (a) optionally preparing an aromatic prepolymer by reacting a first aromatic dicarboxylic compound with a first aliphatic glycol; (b) reacting the aromatic prepolymer with a second aromatic dicarboxylic compound and a second aliphatic glycol so as to form a first reaction product; (c) reacting the first reaction product with an aliphatic dicarboxylic compound so as to form a second reaction product; and (d) performing polycondensation of the second reaction product.

Abstract: The invention relates to a composition comprising a polyester copolymer that comprises (a) recurring dibasic acid derived units and polyol derived units, at least 50 mole % of the dibasic acid derived units comprising dicarboxylic acid derived units each containing an alicyclic ring, (b) 25 to 75 mole % of the polyol derived units containing an aromatic ring not immediately adjacent to each hydroxyl group of the corresponding polyol, (c) 25 to 75 mole % of the polyol derived units of the polyester are non-aromatic, and (d) at least 0.1 mole percent, in sum total, of units derived from a multifunctional polyol having more than two hydroxy groups and/or units derived from a polyacid having more than two carboxylic acid groups and derivatives thereof. The invention is also directed to shaped articles, especially extruded films, made from such compositions. Examples of such extruded films are image-receiving layers for use in an image-recording element.

Abstract: In order to provide a polyester film having superior impact resistance and flex pinhole resistance, and further exhibiting superior gas barrier properties after a metal or metal oxide is deposited on the film, with the inherent characteristics of polyester film maintained, such as low hygroscopicity, dimensional stability, flatness, and transparency, the polyester film comprises a mixture of 70% to 97% by weight of polyester A mainly composed of a repeating unit comprising ethylene terephthalate and 3% to 30% by weight of polyester B mainly composed of a repeating unit comprising butylene terephthalate. The polyester film has a melting point in range of 245 to 270° C. The polyester film may comprise a polyester resin containing 90% to 60% by weight of an ethylene terephthalate component, 10% to 40% by weight of a butylene terephthalate component, and 0.1% to 5% by weight of a polyoxyalkylene glycol component. The polyester film is suitably used for packaging and other applications.

Abstract: A water-dilutable polyester resin ABCD having a mass fraction of from 1 to 10% of units derived from unsaturated cocondensed building blocks, an olefinic double bond content of from 10 to 2 000 mmol/kg, and a sulfonic acid group content of from 20 to 300 mmol/kg, modified if desired by copolymerizing olefinically unsaturated monomers in the presence of the polyester resin, a process for preparing them, and their use in particular in one-component coating compositions in combination with amino resin curatives.

Abstract: A copolyester composition comprising units of residues of a) about 1–40 mole % of trans 3,3?, trans 4,4? stilbene dicarboxylic acid and the combination thereof, b) about 99˜60 mole % of cis,trans, and the combination thereof of 1,4 cyclohexane dicarboxylic acid, and c) about 50˜100 mole % of cis, trans, and the combination thereof of 1,4-cyclohexane dimethanol. The resulting copolyester may be characterized by its clarity, as well as enhanced heat performance due to the presence of the stilbene moiety.

Abstract: The use of a heat-stabilized, heat-set oriented film comprising poly(ethylene naphthalate) as a substrate in, or in the manufacture of, an electronic or opto-electronic device containing a conjugated conductive polymer, wherein said film has a shrinkage at 30 mins at 230° C. of less than 1%; and a composite film comprising such a substrate layer and on a surface thereof a barrier layer.

Abstract: A conformable oriented polymeric film comprising a layer of copolyester derived from: (i) one or more diol(s); (ii) an aromatic dicarboxylic acid; and (iii) one or more aliphatic dicarboxylic acid(s) of the general formula CnH2n(COOH)2 wherein n is 2 to 8, wherein the aromatic dicarboxylic acid is present in the copolyester in an amount of from 60 to 85 mole % based on the total amount of dicarboxylic acid components in the copolyester, wherein the copolyester is a random or alternating copolyester, and wherein after deformation by subjecting and maintaining the film to 7% strain, the stress within the film immediately after deformation dissipates to a residual value of less than 60% of the original value within 10 minutes of said deformation; and use thereof as a conformable medium for signage, advertising, graphic art and other display applications or as an overlaminate for such media.

Abstract: There are disclosed polyester processes using a pipe reactor and corresponding apparatuses. In particular, there are disclosed processes and corresponding apparatuses including an esterification pipe reactor with a recirculating reaction zone (RR zone) and a plug reaction profile reaction zone (PRPR zone), especially when operated with a significant part of the overall conversion taking place in the plug reaction profile reaction zone (PRPR zone).

Abstract: Disclosed herein is a heat-shrinkable co-polyester film containing terephthalic acid or dimethyl terephthalate as a dicarbonic acid component, and ethylene glycol, neopentyl glycol and propylene glycol as diol components, in which the co-polyester film has a crystallization temperature of 80–220° C., and a heat shrinkage (%) higher than 30% in at least one direction of longitudinal and transverse directions in 90° C. hot water. This film is suitable for use as various wrapping materials, such as covering, binding and casing materials. Particularly, this film is used to cover a cap, body and shoulder, etc. of various vessels and rod-shaped molded articles and thus to provide labeling, protection, binding or an improvement in product value. Also, this film can be used for multi-package.

Abstract: A composition that can be used as catalyst in esterification, transesterification or polycondensation is disclosed, which comprises a stable solution comprising (a) titanium in the form of a titanium ?-hydroxycarboxylic acid or its salt, (b) a C1–C6 carboxylic acid, and (c) zinc in the form of a water-soluble zinc salt, and (d) water; and substantially free of an alkanolamine, an aminocarboxylic acid, or combinations two or more thereof. Also disclosed is an esterification, transesterification or polycondensation process, which comprises contacting, in the presence of the solution composition, an organic acid or its ester or its salt with an alcohol, optionally in the presence of a phosphorus compound, an organic or inorganic toning agent such as cobalt acetate, or combinations thereof.

Abstract: A shaped article comprising poly[(trimethylene-co-dianhydrosugar ester) dicarboxylate] or poly(trimethylene-co-dianhydro-dicarboxylate having improved stability in the form of less change of Tg and reduced shrinkage upon storage at elevated temperature is disclosed.

Abstract: A composition and a process for producing the composition are disclosed. The composition comprises (1) repeat units derived from a carbonyl compound and a glycol and (2) one or more ultrafine metal oxides. The process can comprise (1) contacting, in the presence of a catalyst and optionally one or more ultrafine metal oxides, a carbonyl compound such as dicarboxylic acid with a glycol under a condition sufficient to produce polyester wherein the glycol can be pretreated with a metal oxide or (2) incorporating an ultrafine metal oxide into or onto polyester. Also disclosed is a process for substantially removing, or reducing the content of, an aldehyde in a glycol which comprises contacting the glycol with at least one metal oxide.

Abstract: Disclosed are amorphous copolyesters having an inherent viscosity (IV) of at least about 0.5 dL/g measured at a temperature of 25° C. at 0.5 g/dL concentration in a solvent mixture of symmetric tetrachloroethane and phenol having a weight ratio of symmetric tetrachloroethane to phenol of 2:3 comprising (1) a diacid component comprising about 90 to 100 mole percent terephthalic acid residues and 0 to about 10 mole percent isophthalic acid residues; and (2) a diol component comprising about 10 to 70 mole percent 1,4-cyclohexanedimethanol residues and about 90 to 30 mole percent neopentyl glycol residues; wherein the amorphous copolyesters comprises 100 mole percent diacid component and 100 mole percent diol component. The amorphous copolyesters are useful in the manufacture or fabrication of medical devices which have improved resistance to degradation upon exposure to lipids, as a profile produced by profile extrusion and as an injection molded article.

Abstract: A liquid-crystalline polyester solution composition comprises an aprotic solvent and liquid-crystalline polyester. The liquid-crystalline polyester includes at least one of repeating unit selected from the group consisting of a repeating unit derived from aromatic diamine, a repeating unit derived from aromatic amine having a hydroxyl group and a repeating unit derived from aromatic amino acid, in from 10 to 35 mol % in the liquid-crystalline polyester.

Abstract: Macrocyclic oligoesters and compositions comprising macrocyclic oligoesters are prepared from intermediate molecular weight polyesters. In one embodiment, a diol is contacted with a dicarboxylic acid or a dicarboxylate in the presence of a catalyst to produce a composition comprising a hydroxyalkyl-terminated polyester oligomer. The hydroxyalkyl-terminated polyester oligomer is heated to produce a composition comprising an intermediate molecular weight polyester which preferably has a molecular weight between about 20,000 Daltons and about 70,000 Daltons. The intermediate molecular weight polyester is heated and a solvent is added prior to or during the heating process to produce a composition comprising a macrocyclic oligoester. An optional step is to separate the macrocyclic oligoester from the composition comprising the macrocyclic oligoester.

Abstract: A heat-shrinkable polyester film comprising a polyester base film and a coat layer formed on one or both sides of the polyester base film, said coat layer comprising a copolymerised polyester having carboxyl group terminals and Tg in the range of 70 to 80;É, exhibits superior properties suitable for labeling or shrink-wrapping containers.

Abstract: Liquid crystalline polymer having repeat units derived from 4,4?-biphenol, terephthalic acid, 2,6-naphthalenedicarboxylic acid, and 4-hydroxybenzoic acid in a limited compositional range have melting points of 400° C. or more, and are useful for molded articles and for films, particularly for uses where good high temperature resistance is needed.

Abstract: A resin composition having a softening point of from 80° to 165° C., obtained by reacting a poly C2-4 alkylene terephthalate having a melting point of 200° C. or more with a low-molecular weight polyester having a number-average molecular weight of from 400 to 2500; a resin binder for a toner comprising the above resin composition; a toner comprising the above resin binder; a process for preparing a resin composition having a softening point of from 80° to 165° C., comprising the step of reacting a poly C2-4 alkylene terephthalate having a melting point of 200° C. or more with a low-molecular weight polyester having a number-average molecular weight of from 400 to 2500. The resin composition can be suitably used as a resin binder for a toner used for developing electrostatic latent images formed in electrophotography, electrostatic recording method, electrostatic printing, and the like.

Abstract: A shrinkable polymer film including a modified polyester resin polymerized from monomers including a dicarboxylic acid and a glycol, wherein the glycol includes 2-methyl-1,3-propanediol, and wherein the polymer film shrinks at least about 50% in a main shrinkage direction after ten seconds in an 80 degree Celsius hot water bath.

Abstract: A liquid-crystalline polyester production method with a shortened reaction time and improved productivity per unit time by using an organic basic compound containing one nitrogen atom in a molecule is achieved by a liquid-crystalline polyester production method comprising carrying out acylation reaction and/or ester-exchange in the presence of an organic basic compound containing one nitrogen atom in one molecule and satisfying the following inequality (1): 0<A+0.4×B ??(1) wherein, A and B satisfy A={(Ech+?Ec)/(Eph+?Ep)}?1 and B=(?f/?fp)?1; Ec denotes the heat of formation of the organic basic compound; Ech+ denotes the heat of formation of a compound coordinated by proton; Ep denotes the heat of formation of pyridine; and Eph+ denotes the heat of formation of pyridine coordinated by proton to the nitrogen atom; ?f and ?fp independently denote parameters relevant to the steric angles.

Abstract: Branched, amorphous, polyester-based macropolyols having a narrow molecular weight distribution and a process for making the macropolyol.

Abstract: Disclosed is a heat-shrinkable polyester film having a specific composition. A heat shrinkage factor of a 10 cm square sample of the film in a maximal shrinkage direction of the film is not less than 20% under the condition that the sample is immersed in hot water of 85° C. for 10 seconds, and then in water of 25° C. for 10 seconds. The number of test pieces of the film having a rupture ratio of not more than 5% is not more than 10% to the total number of the test pieces under the condition that a tensile test of drawing the film in a direction orthogonal to the maximal shrinkage direction of the film is conducted with a distance between corresponding chucks of 100 mm, each test piece having 15 mm in width, a temperature of 23° C., and a drawing rate of 200 mm/min.

Abstract: Disclosed is a process that comprises contacting, in the presence of an esterification or transesterification or polycondensation catalyst composition, a toner, and a phosphorus compound, a carbonyl compound and an alcohol under a condition suitable for esterification, transesterification, or polymerization.

Abstract: An object of the present invention is provide a polyester film useful as base for release film according to which when a ceramic slurry is applied on the release film, formation of pinholes in the ceramic slurry layer is suppressed prominently, and also when a ceramic layer is provided on the release film, thickness variation of the ceramic layer is lessened, thus realizing excellent releasability of the release film. A polyester film for release film, which has a maximum height of projection (Rmax) in one surface (surface A) of said polyester film, of not more than 500 nm; and has a thickness variation of not more than 5%.

Abstract: The present invention provides a high reflectivity lighting fixture, comprising a coated reflector and a light source. The reflector is coated with a composition that includes a cycloaliphatic group containing polyester resin and a pigment. The present invention also provides coating compositions that may be used on other articles where high reflectivity is desired.

Abstract: A multilayered polymer film includes a first set of optical layers and a second set of optical layers. The first set of optical layers is made from a polyester which is often birefringent. The polyesters of the first set of optical layers typically have a composition in which 70-100 mol % of the carboxylate subunits are first carboxylate subunits and 0-30 mol % are comonomer carboxylate subunits and 70 to 100 mol % of the glycol subunits are first glycol subunits and 0 to 30 mol % of the glycol subunits are comonomer glycol subunits, where at least 0.5 mol % of the combined carboxylate and glycol subunits are comonomer carboxylate or comonomer glycol subunits. The multilayered polymer film may be used to form, for example, a reflective polarizer or a mirror.

Abstract: A film roll of a heat-shrinkable polyester film characterized in that the heat-shrinkable polyester film meets the following requirements (1) and (2). (1) When samples are cut off therefrom at an almost equal interval along the longitudinal direction, and immersed in hot water at 85° C. for 10 seconds, subsequently in water at 25° C. and withdrawn, heat-shrinkage percentages in the maximum shrinkage direction of all the samples are 20% or more. (2) When raw polymers used for production of the film above comprises of a major constitutional unit and one or more sub constitutional units different therefrom; and the content of the primary sub constitutional unit is determined, the content of the primary sub constitutional unit in each sample is more than 7 mole % in 100% of all constitutional units, and when an average of the contents of the primary sub constitutional unit is calculated, the contents thereof of all the samples fall within a range of ±2 mole % relative to the average.

Abstract: The process of the present invention for producing a polyester resin comprising a dicarboxylic acid constitutional unit and a diol constitutional unit having a cyclic acetal skeleton comprises a step (1) of subjecting a diol (A) having a cyclic acetal skeleton and an ester (D) to transesterification reaction and a step (2) of mainly converting the resultant oligomer into a high polymer. The step (1) simultaneously satisfies the requirements (i) to (iv) as described in the specification. In the process of the present invention, the polyester resins having excellent moldability and mechanical properties are stably produced by a transesterification method which is less detrimental to environments.

Abstract: The present invention relates to a polyester block copolymer composition which is obtained by reacting 0.5 to 5.0 parts by weight of an epoxy compound (C) having two or more functionalities with 100 parts by weight of a polyester block copolymer (P) having an acid value of 0 to 5 mgKOH/g obtained by reacting a crystalline aromatic polyester (A) having a hydroxyl group at a molecular terminal with a lactone (B) and optionally with a polyfunctional compound (D) having three or more groups selected among carboxyl, hydroxyl, and/or ester groups thereof. The composition has such excellent moldability that it is applicable to molding techniques including blow molding without arousing any trouble. It is satisfactory in heat resistance, water resistance, impact resistance, or flame retardancy, and has rubber-like elasticity.

Abstract: Biaxially oriented polyester films which have a polyester-containing base layer (B) and a matt overlayer (A), and are characterized by the following features: a) the transverse shrinkage of the film is between 1 and 2.3%, b) the transverse linear expansion of the film during thermo-mechanical analysis is smaller than or equal to 0.2%, c) the matt overlayer comprises particles, preferably SiO2, whose median diameter is from 2 to 10 ?m and whose SPAN98 is smaller than or equal to 2, and d) the matt overlayer (A) comprises a polyester which has from 4 to 30 mol % of isophthalic acid units are notable in particular for low opacity, high transparency and low gloss of the overlayer (A), and are therefore suitable as flexible packaging films and for the purposes of hot lamination.

Abstract: A copolyester composition which includes polyethylene terephthalate (PET) is used to manufacture bottle embryos having weight greater than 600 grams and thickness greater than 7.0 millimeters. The copolyester composition of this invention is used to manufacture containers having an inner volume greater than 10 liters. The components of this copolyester composition are polyethylene terephthalate resin, X mole % of isophthalic acid (IPA), Y mole % of diethylene glycol (DEG) and Z mole % of 2, 6 napthalene dicarboxylic acid where X, Y, and Z conform to the following conditions: 2.5?X<6.0, 2.5?Y?5.0, 0?Z?5.0; and the copolyester composition has an intrinsic viscosity of between 0.75 and 0.85 dl/g.

Abstract: This invention relates to a process for producing a polyester comprising the steps of: (g) obtaining an aqueous homogenous solution of isosorbide; (h) feeding the aqueous homogenous solution of step (a) into a reactor; (i) feeding one or more glycols and one or more dicarboxylic acids either into the aqueous solution of step (a) or into the reactor of step (b) either prior to, during and/or subsequent to step (b); (j) esterifying the reactor contents at sufficient temperatures and pressures, and optionally in the presence of suitable catalysts, to effect esterification; (k) forming a prepolymer; and (l) polycondensing the prepolymer at sufficient temperatures and pressures in the presence of a suitable catalyst to effect polycondensation to form a polyester.

Abstract: Biaxially-drawn polyester film for fabrication which is characterized in that it is a film comprising polyester in which ethylene terephthalate units and/or ethylene naphthalate units are the chief structural component, and the melting point of said film is 180-270° C., the angle of contact to water is 70°-120°, and the planar orientation coefficient is 0.08-0.15. This film shows outstanding release properties following repeated use, use after fabrication and use in an aqueous environment and, furthermore, it exhibits stable properties with little variation and, in particular, following lamination to metal sheet such as steel or aluminium, when used as the inner face of a fabricated metal can, it is outstanding in its non-stick properties to the contents, and provides a combination of heat resistance and processability.

Abstract: A polyether ester comprises poly(trimethylene-ethylene ether) ester soft segment and alkylene ester hard segment. Preferably, the polyether ester is a thermoplastic elastomer in which the hard segment comprises C2 to C12 alkylene ester. The composition is prepared by providing and reacting: (a) poly(trimethylene-ethylene ether) glycol (b) at least one polyester. Fiber made from this composition is particularly useful in making films, membranes and fabrics.

Abstract: The present invention provides a heat-sealable polyester composition having an amorphous processing window ranging from a Tg in the range of about 40° C. to about 70° C., to a Tcg in the range of about 70° C. to about 150° C. The composition preferably contains a mixture of poly(ethylene terephthalate) homopolymer or copolymer and poly(trimethylene terephthalate) homopolymer or copolymer, either as a physical blend or as a copolyester oligomer or polymer prepared from the respective monomers. The resulting composition is heat-sealable at low temperatures, retains barrier properties and is non-flavor-scalping.

Abstract: The biaxially oriented polyester film of the present invention useful for twist wrapping is prepared by biaxially drawing a polyester sheet which has a glass transition temperature (Tg) of at least 60° C., in the longitudinal and transverse directions, wherein the biaxially oriented film has a specific gravity of 1.38 or less.

Abstract: The invention relates to a transparent, UV-stabilized, single or multi-layered thermoformable film which contains, as a principal constituent, a crystallizable thermoplastic, preferably polyethylene terephthalate, and at least one UV-stabilizer. The inventive films are characterized by having a good stretchability, thermoformability and good optical and mechanical properties. Said films are suitable for outdoor uses just like shaped bodies made of the same.

Abstract: The invention relates to a white, biaxially-oriented and coextruded polyester film which is matt on at least one side with at least one base layer B, which contains a cycloolefin copolymer (COC) in amounts of 4 to 60 wt. %, based on the weight of the base layer, in addition to polyester starting material. The glass transition temperature Tg of the COC lies in the range from 70 to 270° C. Said film has at least one matt outer layer (A), made from polyester and is particularly suitable for use in fast running machines such as winding, metallising, printing or laminating machines.

Abstract: An aqueous dispersion based on an amorphous unsaturated polyester resin obtained by polycondensing a mixture of Dicidol isomers and one or more saturated and/or unsaturated dicarboxylic acids.

Abstract: A resin composition is prepared by reacting components comprising dibasic acid, diamine, polyol and monoalcohol, wherein (a) at least 50 equivalent percent of the dibasic acid comprises polymerized fatty acid; (b) at least 50 equivalent percent of the diamine comprises ethylene diamine; (c) 10-60 equivalent percent of the total of the hydroxyl and amine equivalents provided by diamine, polyol and monoalcohol are provided by monoalcohol; and (d) no more than 50 equivalent percent of the total of the hydroxyl and amine equivalents provided by diamine, polyol and monoalcohol are provided by polyol. This resin composition may be formulated into, for example, personal care products, fragrance releasing products and candles.

Abstract: The invention relates to biaxially oriented, co-extruded polyester films. Said films comprise a base layer which consists of at least 70% by weight of a thermoplastic polyester, preferably polyethylene terephthalate (PET) with a diethylene glycol and/or polyethylene glycol content greater than 1.3% by weight and have at least one matt outer layer and optionally additional intermediate layers. The films also contain at least one UV-absorber, preferably hydroxy benzotriazoles and triazines. The films are characterized by high UV-stability, no embrittlement after exposure to temperature, a matt surface devoid of unwanted clouding and excellent thermoforming properties and are, together with the molded bodies produced therefrom, suitable for numerous interior and exterior applications.

Abstract: The invention relates to a co-extruded, biaxially oriented polyester films containing a flame-retardant agent which can be dissolved in the polyester. The film has a matt outer layer which contains a mixture and/or a blend of two components (I) and (II), whereby component (I) is a polyethylene terephthalate homopolymer, or a polyethylene terephthalate copolymer, or a mixture of polyethylene terephthalate homopolymers or copolymers and component (II) is a polymer containing at least one sulphonate group.

Abstract: Monolayer packages comprised of an oxygen scavenging composition suitable for direct contact with package contents and recycle with other polyester bottles are disclosed. The oxygen scavenging composition is comprised of a modified copolymer which is comprised of predominantly polyester segments and an oxygen scavenging amount of oxygen scavenging segments. The polyester segments comprise segments derived from typical bottling and packaging polyesters such as PET and PEN. Use of these oxygen scavenging copolymers in bottles provides a clear and rigid monolayer bottle similar in appearance to unmodified polyester bottles. In a series of preferred embodiments, bottles fabricated with the oxygen scavenging copolymers of this invention are over 99 wt % PET and contain less than 50 ppb of extractable components.

Abstract: The invention is directed to polyester processes that utilizes a pipe reactor in the esterification, polycondensation, or both esterification and polycondensation processes. Pipe reactor processes of the present invention have a multitude of advantages over prior art processes including improved heat transfer, volume control, agitation and disengagement functions. The pipe reactor processes and apparatus of the present invention are built and operated at a much lower cost than conventional polyester processes.

Abstract: A brominated unsaturated polyester resin containing a hydroxyl value of about 35 or less and a hydroxyl acid molar ratio of about 2:1 to about 1:4. The brominated unsaturated polyester resin is prepared from a polyfunctional carboxylic acid, a monocarboxylic acid, and a polyfunctional glycol or alcohol that contains bromine under polyester esterification reaction conditions. The brominated unsaturated polyester resin can be incorporated into a resin composition that also contains vinyl monomer. The invention is also directed to a method of making a brominated unsaturated polyester resin, and to castings, coatings, and laminate panels containing cured brominated unsaturated polyester resin compositions of the invention.

Abstract: A biaxially stretched polyester film for forming a container, characterized by being formed of a polyester substantially consisting of an ethylene terephthalate unit and an ethylene naphthalate unit, the refractive index in the direction of thickness of the film being 1.5 or greater. This film is not only excellent in the formability during formation into cans or the like, but has excellent properties in taste property, particularly, the taste property after the retorting, and may be suitably used for containers produced by forming process and, particularly, for metallic cans.

Abstract: A process for producing 2,6-dialkylnaphthalene from a hydrocarbon feedstock that contains at least one component selected from the group consisting of dialkylnaphthalene isomers, monoalkylnaphthalene isomers, polyalkylnaphthalenes, and naphthalene, is provided that includes the following steps: I. separating the hydrocarbon feedstock and/or a dealkylation product fed from step III into a naphthalene fraction, a monoalkylnaphthalene fraction, a dialkylnaphthalene fraction and a remaining products fraction; II. separating and purifying 2,6-dialkylnaphthalene from the dialkylnaphthalene fraction of step I; III. dealkylating the hydrocarbon feedstock and/or the remaining products fraction of step I and feeding the dealkylation product to step I; and IV. alkylating the naphthalene and monoalkylnaphthalene fractions of step I; wherein the hydrocarbon feedstock is fed to step I or step III.

Abstract: A catalyst composition is disclosed. The composition comprises a titanium compound, a complexing agent, hypophosphorous acid or its metal salt, water and optionally a solvent. The complexing agent can be hydroxycarboxylic acid, alkanolamines, aminocarboxylic acids, or combinations of two or more thereof. The solvent can be water, ethanol, propanol, isopropanol, butanol, ethylene glycol, propylene glycol, isopropylene glycol, butylene glycol, 1-methyl propylene glycol, pentylene glycol, or combinations of two or more thereof. The titanium compound can be combined with a zirconium compound. Also disclosed is a process for using the composition for producing an ester or a polyester. The process comprises contacting a carbonyl compound, in the presence of the compositions, with an alcohol under a condition suitable for esterification, transesterification, polymerization, or combinations of two or more thereof.