Abstract: A non-yellowing antioxidant-UV stabilizer combination especially useful in AES polymers comprising(A) at least one antioxidant selected from the group consisting of:(i) a thiodialkylene bis-(3,5-dialkyl-4-hydroxy) hydrocinnamate antioxidant;(ii) An N,N'-alkylene bis-(3,5-dialkyl-4-hydroxy) hydrocinnamamide antioxidant;(iii) an O,O-dialkyl-3,5-dialkyl-4-hydroxybenzyl phosphonate antioxidant;(iv) an oxamidobis alkyl (3,5)-dialkyl-4-hydroxyphenyl) propionate antioxidant; and(v) a [3-(3,5-dialkyl-4-hydroxyphenyl)propionamido]alkyl stearate antioxidant; and(B) a UV stabilizer package comprising:(vi) at least one UV stabilizer of the hindered amine type, with or without(vii) at least one UV absorber.

Abstract: The addition of 2-30 parts of zinc oxide to plasticized polyvinyl halide compositions results in reduced smoke generation under burning conditions. Optionally calcium carbonate or magnesium oxide is incorporated as a synergistic filler.

Abstract: An extruder, including a rotor and a barrel, having mixing or working zones therein in which the material being mixed or worked is transferred layer by layer from upstream grooves in the rotor to input grooves in the barrel, and from output grooves in the barrel, which grooves are interleaved with the input grooves, layer by layer back to downstream grooves in the rotor. The input and output grooves of the barrel are intercommunicated by means of corresponding channels each of which has a selectively radially movable throttling member positioned therein for varying the cross-sectional opening of the channel in which it is positioned and, thus, the amount of shearing action and work performed on the material passing through such channel.

Abstract: A blowing agent composition is provided comprising:(a) zinc formate, and(b) a compound having the formula M.sub.m X, wherein M is sodium or potassium; X is chlorine, bromine, iodine, CO.sub.3, HCO.sub.3, SO.sub.4, SO.sub.3, S.sub.2 O.sub.3, NO.sub.2, SCN, OCN, BO.sub.2, HBO.sub.3, HPO.sub.4, PO.sub.4 or H.sub.2 PO.sub.4, and m is an integer representing the valence of X; or a compound having the formula M.sub.n.sup.1 R.sub.p, wherein M.sup.1 is alkali metal, calcium, lead or zinc, R is organic mono- or polybasic acid having 1-18 carbon atoms and from 0 to 2 nitrogen atoms, or a benzenesulfonyl or toluenesulfonyl radical; and n and p are integers representing the valences of R and M.sup.1, respectively or whole fractions thereof.

Abstract: A composition comprising 100 parts of an elastomer selected from the group consisting of EPDM, butyl rubber and a EPDM-butyl rubber mixture; 0.1 to 3.0 parts of a compound having the structural formula [(CH.sub.2).sub.n NCS].sub.2 S.sub.6, where n is 4 or 5; and 0 to 5.0 parts of a sulfur donor curative is disclosed. The composition has particular application as roof sheeting or flashing.

Abstract: Disclosed is a process for producing pentachloronitrobenzene (PCNB) by reacting hexachlorobenzene (HEX) with sodium hydrosulfide (NaSH) in the presence of sodium hydroxide (NaOH), sodium carbonate (Na.sub.2 CO.sub.3), or mixtures thereof to produce the sodium salt of pentachlorothiophenol (PCTP), followed by reacting it (or PCTP itself after acidifying) with nitric acid in the presence of sulfuric acid or oleum.

Abstract: Selective herbicidal 2-(alpha-chloromethylsulfonyl) pyridine-1-oxides, e.g., 2-(alpha-phenyl-alpha-chloromethylsulfonyl) pyridine-1-oxide controls weed grasses without injury to such crops as cucumber.

Abstract: Disclosed is a process for producing pentachloronitrobenzene (PCNB) by the reaction of pentachlorothiophenol with nitric acid in the presence of sulfuric acid or oleum.

Abstract: A catalyst composition is provided with an activator in combination with a primary catalyst system. The primary catalyst system is a vanadium compound and an organometallic compound of the formula RMgX, LiAlr.sub.4, or R.sub.A Al.sub.2 X.sub.B, wherein R is a hydrocarbon radical having 1 to 12 carbon atoms, X is a halogen atom; A is a number from 2 to 6, and B is a number from 0 to 4, with the proviso that the sum of A and B is 6 and that at least one of the groups attached either to the vanadium compound or to the organometallic compound is a halogen atom. The activator is bis(trichloromethyl) sulfone.

Abstract: Blends of nylon and an elastomer containing neutralized sulfonated ethylene propylene diene rubbers (EPDM) and a preferential plasticizer and a process for the preparation thereof. The blend preferably comprises from 5 to 60 wt. % of the elastomer and forms compositions having high impact resistance.

Abstract: Calendered AES film containing 25-40% rubber; usually pigmented.

Abstract: A blowing agent composition is provided comprising an azodicarbonamid; zinc oxide, zinc carbonate or a zinc salt of C.sub.1 -C.sub.4 organic acid; and an aromatic sulfinic acid or a metal salt of an aromatic sulfinic acid. For each hundred parts by weight of the azodicarbonamid, the zinc oxide, zinc carbonate or zinc salt is 0.25-25 parts by weight and the aromatic sulfinic acid or metal salt is from 1-2000 parts by weight for each 100 parts of the zinc oxide, zinc carbonate or zinc salt. The total weight of the zinc oxide, zinc carbonate or zinc salt plus the aromatic sulfinic acid or metal salt is from 20-25 parts by weight.

Abstract: An extruded AES film in which the AES contains 15-30% rubber having a thickness of 1 to 10 mils, and a laminate of such film to another material, such as a metallic or cellulosic base.

Abstract: A laminate having at least two layers, one of which comprises an AES graft copolymer composition, the other layer being a rigid foamed plastic.

Abstract: Superior herbicidal compounds are provided having the formula: ##STR1## wherein X and X' are the same or different and are selected from the group consisting of chloro and fluoro.

Abstract: A blowing agent composition is provided comprising:(a) zinc formate, and(b) a compound having the formula M.sub.m X, wherein M is sodium or potassium; X is chlorine, bromine, iodine, CO.sub.3, HCO.sub.3, SO.sub.4, SO.sub.3, S.sub.2 O.sub.3, NO.sub.2, SCN, OCN, BO.sub.2, HBO.sub.3, HPO.sub.4, PO.sub.4 or H.sub.2 PO.sub.4, and m is an integer representing the valence of X; or a compound having the formula M.sub.n.sup.1 R.sub.p, wherein M.sup.1 is alkali metal, calcium, lead or zinc, R is organic mono- or polybasic acid having 1-18 carbon atoms and from 0 to 2 nitrogen atoms, or a benzenesulfonyl or toluenesulfonyl radical; and n and p are integers representing the valences of R and M.sup.1, respectively or whole fractions thereof.

Abstract: Laminate comprising AES of the dicyclopentadiene type coextruded onto a thermoplastic resin layer such as ABS.

Abstract: An improved process for preparing diarylamines from alicyclic ketones, a primary aromatic amine, and a hydrogen acceptor, in the presence of a platinum metal catalyst and an acid promoter.

Abstract: Thermoplastic dynamically partially cured blends of monoolefin copolymer rubber (such as EPM or EPDM rubber) with a polyolefin resin (such as polypropylene, polyethylene) exhibit good physical properties and are reprocessable. The dynamic partial cure of the blend is effected by heating the blend with a curative such as a peroxide while shearing the blend. The blends are elastomeric and are used to make molded or extruded articles which have good physical properties without requiring vulcanization.