Abstract: A composition comprising at least one 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 is an integer of one to about fifteen;R is alkylene of two to eight carbon atoms, inclusive, or alkylidene of one to eight carbon atoms, inclusive;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 an integer of zero to four; andR.sup.3 and R.sup.4 are the same or different and are alkyl of one to eight carbon atoms, inclusive, or phenyl; andd and e are individually integers of 0.1 or 2 with the proviso that d & e is at least one.

Abstract: A process which comprises mixing a melt of an amorphous polyester with a melt of a graft modified polystyrene polymer.

Abstract: A composition comprising a paracumylphenol end-capped aromatic copolyestercarbonate having from about 35 to 95 mole percent ester content which comprises isophthalate or isophthalate and terephthalate units wherein no more than about 50 mole percent of the ester content is terephthalate.

Abstract: A resinous composition comprising:(i) at least one copolyester-carbonate resin;(ii) at least one polyester resin; and(iii) a minor amount of at least one polyol.

Abstract: A composition comprising an aromatic polycarbonate having a number average molecular weight of from about 6,000 to about 12,000 in admixture with(a) at least 3 weight percent of a polymer selected from the group consisting of a random block copolymer having polycarbonate block(s) and diorganosiloxane block(s); and a block copolymer of a vinylaromatic and an alkadiene;(b) a flame retardant package comprising a flame retardant salt, said package in quantities sufficient to achieve V.sub.0 or V.sub.1 in a part 93 mils thick; and(c) said composition having an exterior gloss of less than about 80 as measured by a Gardner Glossmeter at 60.degree. gloss.

Abstract: A resinous composition comprising:(i) at least one aromatic polycarbonate resin;(ii) at least one polyester resin; and(iii) a minor amount of a mixture of at least one polyol and at least one epoxide.

Abstract: A sieve is found useful for the separation of solid particles having substantially equal length and width dimensions from elongate shaped particles, comprising a corrugated sheet having sieve openings on the pitch between ridges and furrows of the corrugations and imperforate furrow bottoms.

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

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.sub.1 and R.sub.2 are the same or different and are alkyl of 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: High molecular weight thermoplastic aromatic carbonate resin exhibiting improved impact properties comprised of the polymerized reaction products of:(i) at least one dihydric phenol;(ii) a carbonate precursor; and(iii) an amount effective to improve the impact properties of said resin of at least one polymer represented by the formula ##STR1## wherein A represents a divalent residue of at least one polymerized and partially hydrogenated conjugated alkadiene monomer and has a weight average molecular weight of at least about 600, and X is independently selected from halogen radicals.

Abstract: Thermoplastic molding composition comprising amorphous polyamide and polycarbonate resin blends exhibit improved impact resistance by addition of a polyamide-polyether block copolymer.

Abstract: A composition comprising at least one 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 is an integer of one to about fifteen;R is alkylene of two to eight carbon atoms, inclusive, or alkylidene of one to eight carbon atoms, inclusive;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 an integer of zero to four; andR.sup.3 and R.sup.4 are the same or different and are alkyl of one to eight carbon atoms, inclusive, or phenyl; andd and e are individually integers of 0, 1 or 2 with the proviso that d+e is at least one.

Abstract: Chromans such as Chroman-I are prepared by the reaction of a corresponding phenol with diacetone alcohol.

Abstract: An aromatic carbonate resin composition comprising:(i) at least one aromatic carbonate resin;(ii) at least one polyolefin;(iii) at least one fluorinated polyolefin; and(iv) at least one silicone fluid;components (ii)-(iv) being present in amounts which are effective to improve the wear resistance of said aromatic carbonate resin.

Abstract: The invention relates to polymer mixtures which comprise an aromatic polycarbonate and a rubber-modified polystyrene. The polystyrene used is characterized by a particular structure: a polystyrene matrix having dispersed therein rubber-like particles with a capsule morphology and an average particle size from 0.2 to 0.6 micrometers.

Abstract: Thermoplastically moldable polycarbonate resins are improved by the blending therewith a thermoplastically moldable polyurethane characterized by high impact resistance, high flexural modulus, and a heat deflection temperature of at least 50.degree. C. at 18.6 Kg/cm.sup.2. Impact modifiers can also be present.

Abstract: A process for crystallizing bisphenol-A which comprises:a. adding water to a mixture comprising bisphenol-A, about 0.5 to 15 weight percent of diphenol isomers and impurities, said mixture essentially free of phenol,b. maintaining the combined water and said mixture of (a) at a temperature sufficient to melt the solid material of step (a),c. adiabatically cooling the water and said mixture to below about 90.degree. C., andd. separating crystalline bisphenol-A from the mother liquor.

Abstract: A process for crystallizing bisphenol-A which comprises:a. adding water to a mixture comprising bisphenol-A, about 0.5 to 15 weight percent of diphenol isomers and impurities, said mixture essentially free of phenol,b. maintaining the combined water and said mixture of (a) at a temperature sufficient to melt the solid material of step (a),c. adiabatically cooling the water and said mixture to below about 90.degree. C.,d. separating crystallized bisphenol-A from the mother liquor, ande. washing the crystallized bisphenol-A with an organic solvent which is at least substantially insoluble in water.

Abstract: A composition comprising a multilayer composite wherein a layer comprising an aromatic polyetherimide is adjacent to a layer comprising an aromatic polyester.

Abstract: A composition comprisinga. a major amount of an aromatic carbonate polymer;b. a minor amount of an aromatic carbonate polymer impact modifying composition comprising(i) a linear, sequential, or radial teleblock copolymer resin of a vinyl aromatic compound (A).sub.n and (A').sub.n and an olefinic elastomer (B), of the A--B--A'; A--(B--A--B).sub.n --A; A(--BA).sub.n B; B(A).sub.4 B; B(A).sub.4 ; or B((AB).sub.n B).sub.4 type, wherein n is an integer of from 1 to 10;(ii) an olefin alkylacrylate wherein the alkyl is one to six carbon atoms and the olefin is two to about five carbon atoms, inclusive, the olefin being from about 55 to 75 weight percent and the alkylacrylate from about 25 to 45 weight percent of the olefin alkylacrylate, said olefin alkylacrylate bringing about increased resistance of the composition comprising a and b to environmental stress crazing and cracking caused by gasoline.