Abstract: A plasticizer ester prepared from the catalytic reaction of (1) at least one branched C7-C11 oxo alcohol prepared from C6-C10 olefins via hydroformylation and having at least 50% methyl branching at the beta carbon, and (2) at least one acid or anhydride.

Abstract: The invention relates to additives for improving cold-flow and lubricating properties of fuel oils, comprising

Abstract: The invention relates to additives for improving cold-flow and lubricating properties of fuel oils, comprising

Abstract: An interpolymer consisting essentially of units derived from vinyl fluoride and at least two highly fluorinated monomers, at least one of the highly fluorinated monomers introducing into the polymer a side chain of at least one carbon atom. Films from these interpolymers have substantially reduced haze, low surface tension, and can be made to form solutions in common polar organic solvents that are stable at room temperature. The extremely low surface tensions obtained with these interpolymer films provide enhanced stain resistance and improved release properties compared to polyvinyl fluoride or known vinyl fluoride interpolymers.

Abstract: Described is a compliant and crosslinkable thermal interface material of at least one malenized rubber with maleic anhydride adducted to the molecule and at least one hydroxyl terminated olefin rubbers, and a method of making and using same; as well as a method of improving thermal conductivity of polymer systems.

Abstract: The present invention teaches heterocyclic amine modified siloxanes and their use, a preferred of which is as adjuvants for pesticides. The heterocyclic amine modified siloxanes have siloxane backbones with pendant, terminal or intermediate heterocyclic amine groups, which may contain one or more heteroatoms, i.e., nitrogen, sulfur or oxygen. The heterocyclic amine groups or the siloxane may be functionalized further with alkyl or alkyleneoxide groups.

Abstract: Organic materials having excellent stability against oxidative, thermal or light-induced degradation comprise as stabilisers (i) at least one compound of formula I ##STR1## wherein the general symbols are as defined in claim 1, and (ii) calcium lactate and/or calcium stearoyl-2-lactylate.

Abstract: This invention provides a method of preparing fluoropolymer utilizing one or more environmentally-friendly fluorinated emulsifiers comprising .alpha.-branched fluoroalkylcarbonyl moieties. Fluoropolymer emulsions comprising one or more environmentally-friendly fluorinated emulsifiers comprising .alpha.-branched fluoroalkylcarbonyl moieties are also disclosed.

Abstract: Provided is a vinyl chloride resin composition for powder molding comprising:(1) 100 parts by weight of a vinyl chloride resin powder having an average polymerization degree p of 600 to 3000 and an internal pore volume of 0.20 ml/g or more,(2) 80 to 150 parts by weight of a trimellitic ester having an alkyl group with a principal chain having an average carbon number n of 6 to 9, and(3) 5 to 25 parts by weight of a fine vinyl chloride resin having an average polymerization degree q of 400 to 1300 and a primary grain size distribution of two modes in which a smaller mode falls in a grain size range of 0.1 to 0.4 .mu.m and a larger mode falls in a grain size range of 0.9 to 1.4 .mu.m,wherein the parts by weight L of the trimellitic ester shown in (2), p and n each described above have the relation satisfying an equation (I):5<[{(n-8).times.5+L}/p].times.100<12 (I)This vinyl chloride resin composition is improved in a coldproof property and a thermal degradation resistance.

Abstract: A method of bookbinding comprising the steps of a) applying a film comprising at least one hot melt polyamide at an application temperature of between about 175.degree. C. and about 190.degree. C. to the backbone of a book block said film having a tensile strength greater than about 400 psi and a Young's modulus of less than about 12,000 psi and b) covering said book block having said film of polyamide with a book cover having a portion thereof in substantially parallel relation to said film.

Abstract: Modifying agents for polyolefins enhance nucleation and crystallization of the polyolefins and provide improved optical and/or physical properties. The modifying agents are compounds of formulas (I) and (II): or a salt thereof, wherein X, Y, R1, R2, R3 and R4 and R8 are as defined in the specification.

Abstract: A method of manufacturing a thin-walled polyurethane article includes dipping a shaped former into a coagulant solution and subsequently dipping the shaped former into an aqueous-phase polyurethane/plasticizer dispersion wherein the unplasticized polyurethane has a mean particle size of between about 0.5 .mu.m and 1.0 .mu.m and wherein the plasticizer causes the polyurethane particles to swell until they have a mean particle size of between about 1.5 .mu.m and 3.0 .mu.m. Articles so produced have a thickness of between 0.03 mm to 1.0 mm, a tensile strength of between 17 MPa and 60 Mpa and an elongation at break of greater than 650%.

Abstract: This invention provides esters of acetobacter acid useful as adhesion promoters for waterborne coatings compositions applied to corroded or rusty metal substrates. The esters of acetoacetic acid also function as a coalescing aid in the coating composition.

Abstract: Acetylenic maleates, fumarates and related derivative compounds are new compositions of matter having the formula:R.sub.1 O.sub.2 CCH.dbd.CH--O.sub.2 R.sub.2wherein R.sub.1 may be an organic moiety containing at least two carbon atoms triply bonded one to the other as:--C.tbd.C--and R.sub.2 may be hydrogen, an organic moiety, or R.sub.1 ; suitable for use as liquid injection molding inhibitors either singly or in combination with themselves or other liquid injection molding inhibitors when used for the process of liquid injection molding curable compositions enabling an increase in the size of articles manufactured therefrom, which new compositions of matter cure into the polymerizable or curable resins thereby creating new compositions of matter as cured resins from which said articles of manufacture are produced.

Abstract: A non-washing soldering flux which is capable of minimizing corrosion and insulation defects due to precipitation of metal salts and cracking of the base resin is disclosed. The flux includes an activator including a dibasic acid with a molecular weight of 250 or less, and a monobasic acid with a molecular weight of from 150 to 300 and/or a dibasic acid with a molecular weight of from 300 to 600. The dibasic acid of molecular weight 250 or less in the flux exhibits sufficient activity, thus ensuring satisfactory solderability. The monobasic acid of molecular weight from 150 to 300 and the dibasic acid of molecular weight from 300 to 600 which are combined therewith promote the activity while also uniformly dispersing the metal salt of the low molecular weight dibasic acid in the flux residue, allowing it to be enveloped by the hydrophobic base resin. For greater cracking resistance, the flux includes at least an acrylic resin of molecular weight 10,000 or less and an activator.

Abstract: Conventional hot-melt adhesive compositions for the coating of textile sheet structures exhibit problems in respect of resistance to washing and cleaning. The presence of an epoxide in hot-melt adhesive composition enables the production of cleaning-resistant laminated materials having a particularly high level of wash resistance.

Abstract: A crystalline thermoplastic resin composition comprises a rosin acid metallic salt and a crystalline thermoplastic resin. Optionally, a compatibilizing agent may also be included. The rosin acid metallic salt, which acts as a crystal nucleating agent, increases the crystallization rate of the crystalline thermoplastic resin and enables the formation of fine crystals of the resin. Thus, the crystalline thermoplastic resin composition can crystallize at a high rate, and provide molded articles having excellent mechanical properties and/or optical properties.

Abstract: The present invention provides a (meth)acrylic molding material comprising (A) a (meth)acrylic polymer obtained by polymerization of monomer components essentially containing a monomer having (a) carboxyl group(s) and an alkyl (meth)acrylate monomer, and (B) one or more kinds of monomers containing a vinyl group, wherein 30-600 parts by weight of aluminum hydroxide and 0.01-10 parts by weight of a succinic acid derivative are added for 100 parts by weight of the total of said polymer (A) and monomer (B). The (meth)acrylic molding material is thickened by aluminum hydroxide and the thickening behavior is controlled by the succinic acid derivative to prevent the viscosity from increasing with time, accordingly, the (meth)acrylic molding material shows good workability.

Abstract: The use of 3-arylacrylic esters I ##STR1## where Ar is an aryl radical which can additionally carry substituents,R.sup.1 is the residue of an n-hydric aliphatic polyol having up to 20 carbon atoms, where the carbon chain can be interrupted by up to 9 non-adjacent oxygen atoms, or of an n-hydric cyclo-aliphatic polyol having 5 to 20 carbon atoms in which ring carbon atoms can also be replaced by non-adjacent oxygen atoms,R.sup.2 and R.sup.3 are hydrogen or C.sub.1 --C.sub.4 -alkyl, andn is a number from l to 10,as stabilizers, in particular against the action of light, for non-living organic material.

Abstract: A thermoplastic polycarbonate molding composition resistant to ionizing radiation is disclosed. Accordingly, a composition containing a polycarbonate resin and an effective amount of an ester based on an aromatic carboxylic acid and at least one member selected from the group consisting of secondary alcohol, benzyl alcohol and tertiary alcohol was found to be resistant to the yellowing which characterizes polycarbonate compositions exposed to ionizing radiation.

Abstract: A thermoplastic composition comprising: (i) a thermoplastic resin; (ii) an antiplasticizing amount of a solid plasticizer; (iii) optionally an acid scavenger; and (iv) optionally a heat stabilizer selected from the group consisting of mixed metal stabilizers, organotin stabilizers, lead stabilizers, metal free stabilizers, or any combination of the foregoing which improves the processability of the thermoplastic resin without affecting the physical properties of the thermoplastic resin.

Abstract: The present invention relates to a compound of the formula ##STR1## wherein n is an integer from 1 to 4, R is selected from the group consisting of hydrogen and methyl; wherein when n is 1, R.sup.1 is selected from the group consisting of alkyl radicals having 1 to 18 carbon atoms, aryl radicals having 6 to 12 carbon atoms, aralkyl radicals having 7 to 12 carbon atoms, cycloalkyl radicals having 5 to 12 carbon atoms and radicals of the formula: ##STR2## wherein x is an integer of from 1 to 7; wherein when n is 2, R.sup.1 is selected from the group consisting of alkylene radicals having 2 to 18 carbon atoms, cycloalkylene radicals having 5 to 12 carbon atoms, arylene radicals having 6 to 12 carbon atoms, ##STR3## polyalkyl glycol ether radicals having the following structure ##STR4## wherein x is an integer from 1 to 7.

Abstract: The novel compounds of the formula I ##STR1## in which A is a group of the formula IIa or IIb, ##STR2## Y is oxygen, methylene, ethylidene or a >C.dbd.C(CH.sub.3).sub.2 group, Z is nitrogen, ##STR3## R.sub.1 and R.sub.2 are, for example C.sub.1 -C.sub.5 alkyl, R.sub.3 and R.sub.4 are, for example, hydrogen or methyl, and R.sub.5, R.sub.6, R.sub.7, R.sub.8, R.sub.9, R.sub.10, R.sub.11, R.sub.12, R.sub.13 and R.sub.14 are, for example, hydrogen, are suitable for stabilizing organic material against oxidative, thermal or light-induced degradation.

Abstract: An optical resin, of which the refractive index continuously changes in a specific direction, is produced by filling a polymerization container with a mixed solution containing at least one type of polymerizable monomer or polymerizable monomer sol and at least one type of substance whose solubility parameter differs by 7 (cal/cm.sup.3).sup. 1/2 or less and refractive index by 0.001 or more from those of a polymer produced by polymerization of the monomer, and by subjecting the mixture to polymerization reaction by applying heat or energy rays to the container from outside so that the polymerization reaction starts and progresses preferentially from a particular region of the mixture, thus forming a concentration gradient of the substance having different refractive index.The polymerization container may be made of a polymer which swells and dissolves into the mixed solution from an inner wall thereof.

Abstract: The invention relates to a liquid-crystalline material in the form of an anisotropic gel consisting of a polymerized liquid-crystalline material and a low-molecular weight liquid-crystalline material, wherein the polymerized material (a) forms a permanently oriented network in the low-molecular liquid-crystalline material (b), characterized in that the low-molecular weight liquid-crystalline material (b) exhibits a cholesteric phase, and to a display cell with such a material.

Abstract: Acetylenic maleates, fumarates and related derivative compounds are new compositions of matter having the formula:R.sub.1 O.sub.2 C--CH.dbd.CH--CO.sub.2 R.sub.2wherein R.sub.1 may be an organic moiety containing at least two carbon atoms triply bonded one to the other as:--C.tbd.C--and R.sub.2 may be hydrogen, an organic moiety, or R.sub.1 ; suitable for use as liquid injection molding inhibitors either singly or in combination with themselves or other liquid injection molding inhibitors when used for the process of liquid injection molding curable compositions enabling an increase in the size of articles manufactured therefrom, which new compositions of matter cure into the polymerizable or curable resins thereby creating new compositions of matter as cured resins from which said articles of manufacture are produced.

Abstract: Difunctional perfluoropolyetheral compounds having polar or non-polar hydrogenated end groups, suitable for being used as inner lubricants in the chemical formulation of the active layer of magnetic recording media, characterized by a solubility in methylethylketone at 20.degree. C. ranging from 0.05% to 2% by weight.

Abstract: A coating composition primarily used as a clear coat of a clearcoat/color coat automotive finish; the composition has a film forming binder solids content of about 30-70% by weight contains about(A) 50-80% by weight, based on the weight of the binder, of a hydroxy functional acrylic polymer of polymerized monomers of styrene, alkyl methacrylate monomers and hydroxy alkyl methacrylate or acrylate each having 1-4 carbon atoms in the alkyl group, an ethylenic unsaturated carboxylic acid at least partically reacted with a glycidyl ester of a carboxylic acid and the polymer has a number average molecular weight of about 1,000-12,000 and(B) 1-20% by weight, based on the weight of the binder, of a polyol component and(C) 10-49% by weight, based on the weight of the binder, of an organic polyisocyanate.

Abstract: The invention relates to an aqueous polymer dispersion which may optionally contain mineral additives and/or pigments and which essentially consists of a mixture ofA) a 20% to 65% w/w aqueous dispersion of a copolymer of(a) an olefinically unsaturated compound containing one or more carboxyl groups and/or amide groups, and(b) at least two monomers selected from the group consisting of acrylates and methacrylates and vinylaromatic compounds, andB) from 0.1 to 5% w/w, based on the weight of the copolymer contained in component (A), of at least one aromatic ketone of the general formula (I) ##STR1## in which R stands for an alkyl or aryl radical and R.sup.1 stands for an aryl radical containing from 1 to 3 radicals of the formula --O--C(O)--O-- attached to one or more oxaalkylene groups.Such polymer dispersions are suitable for the manufacture of paints and coating systems.

Abstract: The invention relates to a mixture of PPS and colophony which shows improved color stability during processing at high temperatures.

Abstract: A cyanoacrylate monomer adhesive formulation which has improved thermal properties resulting from the inclusion in the formulation of an effective amount for enhancing the thermal resistance of the cured polymer of a compound of the formula: ##STR1## where R is C(CN).sub.2, C(CO.sub.2 R.sup.e).sub.2, C(SO.sub.2 R.sup.e).sub.2 or C(Ph).sub.2 ; R.sup.a, R.sup.b, R.sup.c and R.sup.d are independently H, monovalent hydrocarbon, halogen or strong electron withdrawing groups; or two of R.sup.a, R.sup.b, R.sup.c and R.sup.d combined form a fused hydrocarbon ring; R.sup.1 is C(CN).sub.2, C(CO.sub.2 R.sup.e).sub.2, C(SO.sub.2 R.sup.e).sub.2 or C(Ph).sub.2, or R.sup.1 and R.sup.b combined form a fused ring having a C(CN).sub.2, C(CO.sub.2 R.sup.e).sub.2, C(SO.sub.2 R.sup.e).sub.2 or C(Ph).sub.2 group in conjugation with R; R.sup.e is alkyl and Ph is phenyl orR and R.sup.1 are both O; and R.sup.a, R.sup.b, R.sup.c and R.sup.

Abstract: Abstract of the Disclosure Stabilizer combination for Ca/Zn-stabilized PVC molding materials, containing (a) Ca salts of saturated, straight-chain C.sub.8 -C.sub.34 fatty acids, (b) Zn salts of saturated, straight-chain or branched C.sub.8 -C.sub.22 fatty acids, (c) epoxidized glycerides of unsaturated, straight-chain C.sub.16 -C.sub.22 fatty acids having an oxirane number of 6 to 8 and iodine number less than 5, and (d) ketofatty acid glycerides of general formula R.sup.1 COO--CH.sub.2 -(R.sup.2 COO)CH-CH.sub.2 -OCR.sub.3, in which the groups R.sup.1 COO--, R.sup.2 COO--, and R.sup.3 COO-- stand for residues of ketofatty acids with 16 to 22 carbon atoms and optionally residues of fatty acids with 12 to 22 carbon atoms, and 60 to 100 wt.% of the groups are derived from the ketofatty acids and 40 to 0 wt.

Abstract: Acrylic hot melt pressure sensitive adhesive compositions having a good balance of tack, peel and creep resistance at ambient temperature combined with optical clarity and desirable melt viscosity at elevated temperatures are prepared by copolymerizing acrylic and methacrylic alkyl esters of a non-tertiary alcohol or optionally acids with polymerizable poly methacrylate based macromonomers. The resulting acrylic copolymer has a graft or comb structure in which the acrylic backbone has a low Tg and the pendant macromonomer side chains have a Tg above room temperature. Compounding those acrylic copolymers with tackifiers and plasticizers dramatically improves the balance of pressure sensitive adhesive properties while lowering melt viscosity into a desirable range. The invention provides significant property enhancements even for acrylic copolymers having poor initial peel and shear adhesive properties.

Abstract: Silicone compositions comprising an organopolysiloxane composition and an organic compound capable of coordination with metals are described. Since the organic compound is preferentially adsorbed on a metal surface, the composition is particularly suitable for use in electric or electronic parts to prevent contact failure. A more specific embodiment comprises a diorganopolysiloxane of the average unit formula, R.sub.a SiO.sub.(4-a)/2, wherein each R independently represents an unsubstituted or substituted monovalent hydrocarbon group, and a is a value of from 1.90 to 2.05, a filler, an alkoxysilane or its hydrolyzate, a silylation catalyst made of an organic silicon compound having at least one specific type of group, an organic tin compound, another organosilicon compound capable of reaction with an alcohol in order to stabilize the composition, and an organic compound capable of coordination with metals.

Abstract: A fiber-reinforced polymer composition containing resin components including (a) 30-90 weight % of a polyamide resin, and (b) 10-70 weight % of polyolefin+unsaturated carboxylic acid-modified polyolefin, based on the resin components; and, per 100 parts by weight of the total components, (c) 5-50 parts by weight of glass fibers, and (d) additives including the following set of additives: 0.1-1 parts by weight of N,N'-hexamethylene-bis (3,5-di-tert-butyl-4-hydroxy-hydrocinnamide); 0.1-1 parts by weight of triethylene glycol-bis [3-(3-tert-butyl-5-methyl-4-hydroxyphenyl) propionate]; and 0.1-1 parts by weight of pentaerythrityl-tetrakis [3-(3,5-di-tert-butyl-4-hydroxyphenyl) propionate]. An alternative set of additives are 0.1-2 parts by weight of N,N'-bis [3-(3,5-di-tert-butyl-4-hydroxyphenyl) propionyl] hydrazine; 0.05-0.5 parts by weight of pentaerythrityl-tetrakis [3-(3,5-di-tert-butyl-4-hydroxyphenyl) propionate]; 0.05-0.5 parts by weight of distearyl-pentaerythritol diphosphite; and 0.

Abstract: Reaction products of 1 mol of a cycloaliphatic diol corresponding to formula IHO--R--OH Iwith 2 mols cycloaliphatic carboxylic anhydrides corresponding to formulae II and/or III ##STR1## in which R is a cycloaliphatic hydrocarbon radical having 6 to 20 carbon atoms onto which the hydroxy groups are bonded directly or via methylene groups and X represents ##STR2## chemical bond --obtainable obtainable by fusion of the cycloaliphatic diol and the cycloaliphatic carboxylic anhydride in an inert gas atmosphere at temperatures of from 100.degree. C. to 250.degree. C., and the alkali and ammonium salts of these reaction products, and their use as emulsifiers.

Abstract: Disclosed is an anti-stat which is effective in polyvinyl chloride polymeric parts to dissipate charge phenomena occurring at a surface thereof. The anti-stat comprises an ethoxylated fat-forming alcohol and a dibasic acid-capped fat-forming alcohol which is incorporated in an effective amount in the polyvinyl chloride polymeric material.

Abstract: The present invention is directed to branched polyesters derived from the reaction product of hydroxy stearic acid or hydroxy stearic alkoxylate, a guerbet alochol or guerbet alcohol alkoxylate, which product is further reacted with a polycarboxylic acid to provide the required branching in the polyester structure. The invention is also directed to the preparation, compositions and application of said internal plastic lubricants, particularly suited for use in forming of polycarbonate thermoplastics.

Abstract: Dispersions of stabilizers for plastics in water which contain special reaction products of diols and carboxylic acid anhydrides as auxiliary emulsifiers, and which are characterized by simple preparation, stability and good effectiveness in chemical materials.

Abstract: Acrylic hot melt pressure sensitive adhesive compositions having a good balance of tack, peel and creep resistance at ambient temperature combined with optical clarity and desirable melt viscosity at elevated temperatures are prepared by copolymerizing acrylic and methacrylic alkyl esters of a non-tertiary alcohol or optionally acids with polymerizable poly methacrylate based macromonomers. The resulting acrylic copolymer has a graft or comb structure in which the acrylic backbone has a low Tg and the pendant macromonomer side chains have a Tg above room temperature.Compounding these acrylic copolymers with tackifiers and plasticizers dramatically improves the balance of pressure sensitive adhesive properties while lowering melt viscosity into a desirable range. The invention provides significant property enhancements even for acrylic copolymers having poor initial peel and shear adhesive properties.

Abstract: Stabilized composition containing a polymer of vinyl chloride or the like and at least one primary stabilizer and, as the costabilizer, mercaptals or monothioacetals of thioglycolic acid esters of the formula ##STR1## The costabilizers contained in the compositions do not exhibit any unpleasant odor, yet improve the initial color and also the total stability of the molding compositions.

Abstract: A finely-divided ceramic solid dispersion of low viscosity is obtained using as a dispersant an organic compound containing at least one carbonyl C-17-alkyleneoxy group, for example a derivative of 12-hydroxystearic acid or ricinoleic acid or low molecular weight polymeric derivative thereof. The composition may be dry or may be dispersed in an organic medium such as an aliphatic or aromatic hydrocarbon.

Abstract: Disclosed is a resin composition curable at a low temperature and characterized in that the composition comprises:(a) at least one of a copolymer comprising as its monomer components an oxirane-containing vinyl monomer and an alkoxysilane-containing vinyl monomer and a vinyl copolymer comprising at its monomer components a polysiloxane macromonomer and an oxirane-containing vinyl monomer,(b) a chelate compound, and(c) a compound having a number average molecular weight of up to about 1,000 and containing at least two alicyclic oxirane groups in the molecule.

Abstract: As an outline of the invention of the present inventors, the gist of the present invention resides in the following:A polyester composition comprising:(A) 100 parts by weight of a substantially linear polyester comprising, as the main constituent unit, ethylene terephthalate;(B) 0.05 to 15 parts by weight of a crystallization promotor; and(C) 0.1 to 15 parts by weight of at least one plasticizer selected from the group consisting of (C.sub.1), (C.sub.2), (C.sub.3) and (C.sub.4) which are defined as follows:(C.sub.1) a condensation product of a compound of the formula (I):(HQ-R).sub.2 S (I)wherein two R groups may be the same as or different from each other and represent a hydrocarbon group selected from the group consisting of aliphatic, alicyclic, and aromatic hydrocarbon groups and any combination thereof, and two Q groups may be the same as or different from each other and represent oxygen or sulfur, with an organic compound containing two alcoholic or phenolic hydroxyl groups:(C.sub.

Abstract: A resin composition containing potassium based single crystal fibers for absorbing electromagnetic waves.

Abstract: An encapsulating composition for electronic devices comprises a curable material such as an epoxy resin and an ion scavenger compound selected from certain calixarene or oxycalixarene compounds in which at least half of the phenolic groups have been substituted by specific groups and certain silacrown compounds. Exemplary ion scavenger compounds include ##STR1## the tetraethyl acetate of 7, 13, 19, 25-tetra-tertbutyl-27, 28, 29, 30-tetrahydroxy-2,3-dihomo-3-oxacalix-4-arene and 1,1-dimethasila-17-crown-6.

Abstract: Disclosed is an anti-stat which is effective in polyvinyl chloride polymeric parts to dissipate charge phenomena occurring at a surface thereof. The anti-stat comprises an ethoxylated fat-forming alcohol and a dibasic acid-capped fat-forming alcohol which is incorporated in an effective amount in the polyvinyl chloride polymeric material.

Abstract: Stabilized compositions containing a polymer of vinyl chloride or the like and at least one primary stabilizer and, as the costabilizer, mercaptals or monothioacetals of thioglycolic acid esters of Formula I and/or II ##STR1## The costabilizers contained in the compositions do not exhibit any unpleasant odor, yet improve the initial color and also the total stability of the molding compositions.

Abstract: Disclosed is a colored polarizing film having excellent durability which comprises (a) an organic polymer film or sheet and (b) at least one dichroic dye having an azo, anthraquinone, thioindigo, perylene or phthalone structure containing no water-soluble group. Also disclosed is a method of making a colored polarizing film using an organic polymer film or sheet formed of a polyamide or polyester resin, which comprises the steps of (a) blending (preferably, dry blending) a dichroic dye with the resinous polymer in advance, (b) melting the resulting blend and forming it into a film, and then (c) stretching the film in at least one direction.

Abstract: Disclosed herein is a thermoplastic polyester resin composition comprising a thermoplastic polyester resin and an amount effective in ultraviolet screening of at least one of naphthalenetetracarboxylic acids, acid anhydrides thereof, imides thereof and esters thereof.