Abstract: The melt flow of polycarbonate resin molding compositions is improved by the addition of an ethylene-vinyl acetate copolymer, without adversely affecting the impact strength of articles molded from the improved composition.

Abstract: A composition comprising a polycarbonate polydiorganosiloxane random block copolymer reinforced with an effective reinforcing amount of a polymeric aromatic amide in a physical form which achieves reinforcement.

Abstract: A composition comprising an admixture of:(a) at least one high molecular weight aromatic carbonate resin; and(b) an impact modifying, gasoline solvent resistant effective amount of an ethylene alkylacrylate wherein alkyl is from one to six carbon atoms, inclusive, and the ethylene is from about 55 to 75 weight percent aand the alkylacrylate is from about 25 to 45 weight percent, based on the ethylene alkylacrylate polymer.

Abstract: A multilayer composition comprising at least one polycarbonate layer, at least one polyolefin layer, and at least one olefin vinyl alcohol layer, said layers being adhered together by means of tie layers containing a tie material selected from modified polyolefin graft copolymers and olefin vinyl ester copolymers.

Abstract: A method for producing a high molecular weight aromatic polycarbonate composite material which comprisesa. coating the reinforcing material with a catalyst system which polymerizes aromatic cyclic carbonate oligomers to high molecular weight aromatic polycarbonate under appropriate conditions;b. contacting the catalyst system coated reinforcing material with a mixture of aromatic cyclic carbonate oligomers and;c. polymerizing the mixture of aromatic cyclic carbonate oligomers to high molecular weight aromatic polycarbonate.

Abstract: A composition comprising an aromatic polycarbonate in admixture with a diatomaceous earth, the said diatomaceous earth having a major quantity of cristabolite, the quantity of diatomaceous earth such that the kinetic coefficient of friction is substantially decreased when a self supporting film is prepared from the composition.

Abstract: An embodiment assembly for the impregnation of a continuous length of fibers comprises a convex surface and a non-convex surface over which the length of fibers is drawn under tension. The pressure of impingement on the surfaces alternately separates and consolidates the fibers in sequence during their impregnation with the resin, to obtain a complete and homogeneous impregnation.

Abstract: A method for producing a high molecular weight polycarbonate admixed with carbon materials which comprises(a) adding a polymerizing effective amount of an acidic metallic catalyst system to aromatic cyclic carbonate oligomers admixed with a carbon material, and(b) polymerizing the mixture of carbon material and aromatic cyclic carbonate oligomers to a high molecular weight aromatic polycarbonate.

Abstract: An aromatic carbonate resin comprised of:(i) at least one recurring structural unit represented by the formula ##STR1## (ii) at least one recurring structural unit selected from structural units represented by the formulae ##STR2## wherein R is independently selected from halogen, monovalent hydrocarbon, and monovalent hydrocarbonoxy radicals;W is selected from divalent hydrocarbon radicals, --O--, --S--, --S--S--, ##STR3## A is a divalent residue of at least one conjugated alkadiene and has a weight average molecular weight of at least about 600,m is independently selected from integers having a value of from 0 to 4, andb is either zero or one.The carbonate resin contains an amount of (ii) at least effective to improve the impact properties thereof.

Abstract: A composition comprising an aromatic copolyester-carbonate having flexural modulus, flexural yield and secondary transition temperature improvement over a corresponding aromatic polycarbonate effective amount of ester units of the structure ##STR1## or mixtures of the above two structures wherein R.sub.1 and R.sub.2 are the same or different and are alkyl of one to six carbon atoms, inclusive, cycloalkyl of four to seven carbon atoms, inclusive, phenyl, one to three alkyl substituted phenyl each alkyl having one to three carbon atoms, inclusive, and R.sub.1 and R.sub.2 taken together with the nitrogen to which they are attached form a ring of four to six carbon atoms, inclusive, or carbazole.

Abstract: Vacuum containers of synthetic polymeric resins include a wall portion deformable under vacuum containing conditions, to give a visual indication of the vacuum integrity. The containers by virtue of the deformable portion resist paneling.

Abstract: A composition sufficiently irradiated to achieve sterilization comprising a polysulfone resin in admixture with an anti-yellowing upon exposure to sterilizing irradiation effective amount of a boron compound having as part of its structure at least one ##STR1## group wherein R.sup.3 is selected from monovalent hydrocarbon radicals, substituted monovalent hydrocarbon radicals, monovalent hydrocarbonoxy radicals, or halogen radicals, and R.sup.4 is selected from divalent hydrocarbon radicals or substituted divalent hydrocarbon radicals.

Abstract: A process for removing phenol from water which comprises contacting a phenol bearing water stream with a bisphenol-A melt thereby separating phenol from the water.

Abstract: A method for producing a high molecular weight aromatic polycarbonate composite material which comprisesa. coating the reinforcing material with a catalyst system which polymerizes aromatic cyclic carbonate oligomers to high molecular weight aromatic polycarbonate under appropriate conditions;b. contacting the catalyst system coated reinforcing material with a mixture of aromatic cyclic carbonate oligomers and;c. polymerizing the mixture of aromatic cyclic carbonate oligomers to high molecular weight aromatic polycarbonate.

Abstract: A composition comprising(a) a major quantity of aromatic polycarbonate;(b) a minor amount of a polyalkylene terephthalate wherein the alkylene group is from 2 to about 10 carbon atoms, and is present in such quantities so as to substantially reduce the DTUL of the polycarbonate;(c) an effective amount of a combination of impact modifier and gloss suppressant selected from an olefin diene copolymer and an acrylonitrile-butadiene-alkenylaromatic copolymer; and(d) an effective amount of flame retardant system to maintain a VO rating for a 1.6 mm sample under UL 94 test conditions wherein the overall composition has a DTUL in .degree.C. of less than or equal to 115.degree. C., a 3.2 mm Notched Izod impact resistance in kilograms f-cm per cm of at least about 10, a surface gloss as measured with a Hunter Lab's gloss meter at 60.degree. reflection of less than or equal to about 80 and a VO rating for a 1.6 mm sample under UL test conditions.

Abstract: Difficult to mold polyester resin containing compositions are made thermoplastically moldable by the addition of an aromatic polycarbonate and mold releasable by the addition of mold-release additives which are monomeric polyesters of a polyol and a fatty acid having from 14 to 36 carbon atoms, inclusive.

Abstract: A composition comprising an aromatic polycarbonate branched or crosslinked with a residue of a compound of the formula ##STR1## wherein X, Y, X' and Y' are the same or different and are hydrogen or alkyl of one to about six carbon atoms, inclusive; W, W', Z and Z' are the same or different and are alkyl of one to about six carbon atoms, inclusive, and E is alkylene or alkylidene of two to about twelve carbon atoms, inclusive.

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, --S--, --O--, --S--S--, ##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: A thermoplastic polyester-carbonate resin containing in the polymer chain, divalent moieties of the formula: ##STR1## wherein R represents aliphatic hydrocarbyl of from 1 to 9 carbon atoms, inclusive, halogen substituted aliphatic hydrocarbyl of 1 to 9 carbon atoms, inclusive, aralkyl of 7 to 10 carbon atoms, inclusive and halogen substituted aralkyl of 7 to 10 carbon atoms, inclusive; a and b are each whole number integers of from 0 to 1; and the sum of a+b is 1 and wherein there are sufficient linkages of formula I to lower the glass transition temperature of the polymer.

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.