Abstract: This invention relates to an injection molding composition having a melt viscosity lower than about 2000 poise at 1500/sec. shear rate at a temperature of about 275.degree. C., and an excellent stiffness of at least 200,000 psi, comprising:from about 10 to about 90% of a polyester comprising repeat units from terephthalic acid, ethylene glycol, and 1,4-cyclohexanedimethanol, andfrom about 10 to about 90% styrene copolymer comprising repeat units from about 5 to about 35 mole percent of methyl methacrylate.

Abstract: The present invention relates to liquid crystalline polyesters which have surprisingly low isotropic transition temperatures. The invention further relates to a new process for preparing containers which have more uniform properties made from certain liquid crystalline polyesters. Also, the present invention relates to molded objects comprising certain liquid crystalline polyesters. The liquid crystalline polyesters disclosed herein are derived from 2,6-naphthalenedicarboxylic acid, 4,4'-biphenol, hydroquinone, and p-hydroxybenzoic acid.

Abstract: The present invention concerns a process for preparing a treated blend which contains pigment material dispersed in a continuous phase of water and a polyester material. The invention also concerns compositions prepared from such process. The polyester material of the treated blend is linear, contains a sulfomonomer, and has an average particle size of less than 1 .mu.m.

Abstract: A polymer having repeating units corresponding to the structure ##STR1## wherein R is selected from the group consisting of ##STR2## where z is 1, 2, 3, or 4, A is a divalent substituted or unsubstituted aromatic radical, y is in the range of 0.10 to 0 and x is in the range of 0.02 to 0.90 and n is at least 50.

Abstract: This invention relates to a polyester/polyamide blend having an excellent gas barrier property and an improved flavor retaining property and clarity. More particularly, the present invention relates to a polyethylene terephthalate/low molecular weight polyamide blend having an excellent gas barrier property, in which by reducing the concentration of acetaldehyde contained in the polyester, the storage property of a food or the like and the flavor-retaining property and fragrance retaining property are highly improved without producing haze.

Abstract: Disclosed is a novel process for the manufacture of 2,2,4,4 tetramethylcyclobutane 1,3 diol commencing with the pyrolysis of isobutyric anhydride to produce dimethylketene. Dimethylketene is absorbed into 2,2,4,4 tetramethylcyclobutane 1,3 dione which function as the process solvents for subsequent dimerization of the dimethylketene to 2,2,4,4-tetramethylcyclobutane-1,3 -dione followed by the catalytic hydrogenation of the dione to the diol product.

Abstract: Disclosed is a process for removing the Lewis acid catalyst, polymerization solvent and byproducts, such as ketals, from a polyetherketone comprising(A) introducing into an extraction zone a Lewis acid polymerization catalyst, a polymerization solvent and a polyetherketone,(B) passing an alcohol through the extraction zone to remove a majority of the Lewis acid catalyst and the polymerization solvent,(C) passing water through the extraction zone to remove a majority of the alcohol,(D) contacting the polyetherketone with an aqueous acid solution,(E) passing water through the extraction zone to remove a majority of the acid,(F) passing steam through the extraction zone, and(G) subjecting the polyetherketone to a reduced pressure.

Abstract: Provided are certain curable polyesters which are useful in enamel compositions. The enamel compostions provide coatings which exhibit superior hardness, impact resistance, acid resistance, and weatherability heretofore unachievable with other polyester-based coatings.

Abstract: Provided is a novel curable liquid crystalline polyester and curable enamel compositions containing same. Coatings obtained from these compositions possess good thermal stability, high modulus, and improved chemical resistance.

Abstract: Provided are novel phenolic functional polyesters which are prepared by a direct polycondensation process. The polyesters formed therefrom are useful in enamel compositions and upon curing provide coatings which exhibit superior hardness, impact resistance and acid resistance heretofore unachievable with other polyester-based coatings.

Abstract: Provided are enhanced phenolic-functional polyesters which are useful in enamel compositions. The enamel compostions provide coatings which exhibit superior hardness, impact resistance, acid resistance, and weatherability heretofore unachievable with other polyester-based coatings.

Abstract: Provided are enhanced phenolic-functional polyesters which are useful in enamel compositions. The enamel compositions provide coatings which exhibit superior hardness, impact resistance, acid resistance, and weatherability heretofore unachievable with other polyester-based coatings.

Abstract: Disclosed is a process for the production of an equilibrium mixture of 2-hydroxytetrahydrofuran and 4-hydroxybutanal by a two-step process comprising (1) heating 2,5-dihydrofuran in the presence of a catalyst system comprising a phosphine, ruthenium or rhodium to convert the 2,5-dihydrofuran to 2,3-dihydrofuran; and (2) contacting 2,3-dihydrofuran with water in the presence of an acidic catalyst to convert the 2,3-dihydrofuran to a mixture of 2-hydroxytetrahydrofuran and 4-hydroxybutanal. Also disclosed is a process for the continuous production of an aqueous solution of 2-hydroxytetrahydrofuran and 4-hydroxybutanal. The mixture of 2-hydroxytetra-hydrofuran and 4-hydroxybutanal may be catalytically hydrogenated to produce 1,4-butanediol.

Abstract: The addition of selected combinations of aliphatic and aromatic phosphite compounds to polyester or copolyester blends with polycarbonate results in unexpected improvements to the properties of resulting molding compositions. The molding compositions comprise:(a) 10-90% by weight of a polyester or a copolyester, comprising:repeat units from at least one aromatic, aliphatic, or alicyclic dicarboxylic acid, wherein the aromatic portion of said aromatic dicarboxylic acid has 6-20 carbon atoms, and wherein the aliphatic or alicyclic portion of said aliphatic or alicyclic dicarboxylic acid has 3-20 carbon atoms, andrepeat units from at least one aliphatic glycol having 2-20 carbon atoms;(b) 90-10% by weight of an aromatic polycarbonate of 4,4-isopropylidenediphenol (bisphenol-A); and(c) 0.1 to about 2% by weight of a combination of aliphatic and aromatic phosphite compounds.

Abstract: Disclosed are chemically-mixed, titanium-zinc oxide catalysts and the use of the catalysts in the manufacture of methanol and dimethyl ether wherein synthesis gas is contacted at elevated temperatures and pressures with the catalyst.

Abstract: Provided are polymers containing methine linkages. Also provided are shaped or formed articles comprised of the light absorbing polymers either alone or admixed with other thermoplastic polymers to form a light absorbing thermoplastic polymer composition.

Abstract: Disclosed are certain novel 2,2'-bisacetoacetates useful as crosslinking agents and a process for the preparation therefor. Also provided are novel enamel compositions containing the crosslinkers and coatings and articles coated with thermosetting coating compositions crosslinked with these novel crosslinkers.

Abstract: Provided is an improved process for the synthesis of 1-cyano-3H-dibenz[f,ij] isoquinoline-2,7-dione compounds, and process exhibiting improvements in quality of products, safety, fewer environmental concerns and economics when compared to presently known processes. The compounds are useful as colorants for polyesters, and selected compounds and when combined with small quantities of certain red colorants are particularly efficacious as blue toners for polyesters.

Abstract: Disclosed is a process for the preparation of 5-alkoxy-2-nitrosophenols by the nitrosation of 3-alkoxyphenols using an alkali metal nitrite and an alkanoic acid wherein the selectivity of the nitrosation is improved. Also disclosed is a 2-step process for the preparation of 5-alkoxy-2-nitrophenols by oxidizing the 5-alkoxy-2-nitrosophenols obtained in accordance with the present invention.

Abstract: A multi layer laminate containing a layer of a polypropylene material permanently bonded to an imine primed substrate is disclosed. This laminate contains a layer that is a blend of maleated high molecular weight polypropylene/low density polyethylene and a second layer that is substrate, such as nylon, that is primed with an imine primer such as polyethyleneimine.