Abstract: A process for improving the quality of phenol which comprises(a) introducing a liquid phenol composition comprising above about 95 weight percent phenol on a dry basis, organic acid contaminants, and organic ketone contaminants;(b) introducing water into the distillation tower, together with the phenol stream or in a separate stream;(c) heating the phenol composition and water to a temperature sufficiently high to vaporize the water;(d) allowing the organic acid contaminant to build to a concentration whereby sufficient acid is present to catalyze a reaction between an organic ketone contaminant and phenol, thereby forming a new compound(s) and;(e) removing the said formed compound(s) from the distillation tower by hydroextractive steam distillation.

Abstract: A compact stackable bottle feeder which comprises a tamper evident cap which captures a nipple and a pop-up indicator to insure the integrity of the bottle is secured. Upon removal of the cap the tamper evident band remains on the bottle. The pop-up indicator is removed providing an opening in the cap in which the nipple is placed with the cap then used to secure the nipple to the bottle.

Abstract: Thermoplastic molding composition comprising an organic polyester or poly(phenylene oxide) or poly(phenylene sulfide) or poly(etherimide) polysulfone and a hydrogenated oligomer of an alpha-olefin in an amount effective to impart reliable and facile mold release.

Abstract: Thermoplastic copolyester-carbonate resins are described, having included in their polymer chains, a moiety of the formula: ##STR1## wherein a and b are each whole number integers of from 0 to 1; and the sum of a+b is 1.The resins are useful intermediates for branched or cross-linked molding compositions.

Abstract: A method for the preparation of polycarbonate resins bearing terminal ester groups comprises the interfacial polymerization of a dihydric phenol with a carbonyl halide in the presence of a molecular weight controlling proportion of a compound of the formula: ##STR1## wherein R represents a hydrocarbyl group amenable to beta-elimination upon thermolytic degradation. The product resins are useful as intermediates in the preparation of copolymers with, for example, polyamides.

Abstract: A composition essentially free of polyester which comprises an admixture ofa. about 1 to 96 weight percent of an aromatic polycarbonate, andb. about 4 to 99 weight percent of a graft modified polyphenylene ether, said modification being the residue of a reaction between a non-endcapped polyphenylene ether with a compound selected from the group consisting of aliphatic unsaturated dicarboxylic acids, aliphatic unsaturated dicarboxylic acid precursors, aliphatic unsaturated dicarboxylic acid ester precursors, and aliphatic unsaturated dicarboxylic acid esters, the total weight percent being the combination of the aromatic polycarbonate and graft modified polyphenylene ether.

Abstract: A method for the preparation of polycarbonate resins bearing terminal hydroxy ester groups comprises the interfacial polymerization of a dihydric phenol with a carbonyl halide in the presence of a molecular weight controlling proportion of a compound of the formula: ##STR1## wherein R represents alkylene of 1 to about 12 carbons. The novel product resins are useful as intermediate in the preparation of copolymers with, for example, polyesteramides.

Abstract: A composition which comprisesa. an aromatic polycarbonate,b. a polyolfefin,c. an ethylene vinyl alcohol copolymer,d. a hydrogenated alkylidene vinyl aromatic block copolymer graft modified with an unsaturated dicarboxylic acid or unsaturated dicarboxylic acid anhydride.

Abstract: Resinous composition comprised of, in physical admixture: (i) at least one copolyester-carbonate resin, (ii) at least one polyarylate resin, and (iii) at least one resin selected from polyphenylene ether resins, polystyrene resins, and mixtures thereof.

Abstract: A process which comprises mixing a melt of an amorphous aromatic polyester with a melt of a carboxy terminated polystyrene oligomer, said oligomer having a number average molecular weight of from about 500 to 10,000.

Abstract: A multilayer structure which comprises a layer comprising a polybutylene terephthalate adjacent to a layer comprising an aromatic polyester selected from the group consisting of aromatic polycarbonate, copolyestercarbonate, polyarylate, or mixtures thereof.

Abstract: The invention relates to polymer mixtures which comprise a polycarbonate resin, a graft copolymer having an elastomeric core, and a block copolymer of a polycarbonate and a polysiloxane. These polymer mixtures have only a small tendency to delamination and a good impact strength.

Abstract: An aromatic polycarbonate resin blend characterized by improved melt-flow properties particularly suited for blow molding. The blend consists of at least 80 percent of cyclic polycarbonate oilgomer or polycarbonate molding resin, the remainder being an aromatic hydroxylated resin such as a phenoxy resin, together with a curing agent.

Abstract: Thermoplastic aromatic polycarbonate containing the polymerized reaction products of (i) at least one dihydric phenol, (ii) a carbonate precursor, and (iii) at least one end-capping agent represented by the formula ##STR1## wherein: R is independently selected from alkyl radicals;Z is a cycloalkyl radical; andn is an integer having a value of from 0 to 4 inclusive.

Abstract: An aromatic copolyestercarbonate having from about 35 to 95 mole percent ester content which comprises isophthalate or isophthalate and terephthalate units, said copolyestercarbonate endcapped with a compound of the formula ##STR1## wherein R.sub.1 -R.sub.8 are independently selected from the group consisting of hydrogen and alkyl radicals of 1-9 carbon atoms and wherein R.sub.5 -R.sub.8 are further independently selected from the group consisting of bromo and chloro.

Abstract: Thermoplastic copolyester-carbonate resins are described, having included in their polymer chains, a moiety of the formula: ##STR1## The resins are useful intermediates for branched or cross-linked molding compositions.

Abstract: A composition comprising a cyclic oligomer of the formula ##STR1## wherein X is selected from the group consisting of alkylene of two to twelve carbon atoms, inclusive, alkylidene of one to twelve carbon atoms, inclusive, cycloalkylene of four to twelve carbon atoms, inclusive cycloalkylidene of four to twelve carbon atoms, inclusive, ##STR2## a is zero or 1; n and m are the same or different and are integers of one to about fifteen;R is alkylene of two to eight carbon atoms, inclusive or alkylidene of one to eight carbon atoms, inclusive, phenylene or a single bond.R.sup.1 and R.sup.2 are the same or different and are alkyl or one to four carbon atoms, inclusive or halo;b and c are the same or different and are integers of zero to four; andR.sub.3 and R.sub.4 are the same or different and are alkyl of one to eight carbon atoms, inclusive, phenyl, hydrogen or R.sub.3 and R.sub.4 are taken together to form an alkylene of two to eight carbon atoms inclusive.

Abstract: An aromatic carbonate resin composition comprising:(i) at least one aromatic carbonate resin; and(ii) a copolyetherester comprised of a multiplicity of long chain ester units and short chain ester units joined head-to-tail through ester linkages, said long chain ester units being comprised of the reaction products of a dicarboxylic acid or its derivative and a poly(alkylene oxide)glycol, and said short chain ester units being comprised of the reaction products of a dicarboxylic acid or its derivative and at least one low molecular weight diol.The compositions contain an amount of said copolyetherester effective to improve the melt flow or processability of the aromatic carbonate resin. The instant compositions may optionally contain an impact modifying amount of at least one impact modifying compound. The instant compositions are useful in the preparation of extruded or molded shaped articles.

Abstract: Novel compositions with high room temperature impact strength, high impact strength in thick-walled sections, and good weld line strength are provided in the form of resinous mixtures comprising:(a) an aromatic carbonate polymer resin selected from the group consisting of(i) an aromatic polycarbonate resin,(ii) a poly(ester-carbonate) copolymer resin, and(iii) a mixture of (i) and (ii);(b) a polyester resin selected from the group consisting of(i) a poly(alkylene terephthalate) resin,(ii) an amorphous copolyester copolymer resin, and(iii) a mixture of (i) and (ii); and(c) a minor amount of an impact modifier combination therefor comprising:(i) a multiphase composite interpolymer; and(ii) a copolymer of an olefin with an acrylate or methacrylate comonomer.

Abstract: A sizing and/or forming die is employed in the pultrusion of filament or fiber reinforced thermoplastic resins such as polycarbonates. The die is adjustable on-line to change the ratio of resin to reinforcement at will and without interrupting the production process.