Abstract: The invention is directed to a thermoplastic film having a matte surface comprising: a core layer of a thermoplastic polymer, the core layer having a first side and a second side, and a matte surface layer on a first side of the core layer, the matte surface layer comprising a blend of (i) a copolymer of ethylene and propylene or a terpolymer of ethylene, propylene and a C.sub.4 to C.sub.10 alpha-olefin or a propylene homopolymer; (ii) an ethylene polymer and (iii) a polydialkylsiloxane selected from the group consisting of (1) a polydialkylsiloxane having a number average molecular weight above about 250,000, typically above about 300,000 and a viscosity of above about 10,000,000 cSt, usually ranging from about 15,000,000 to about 20,000,000 cSt., and (2) a polydialkylsiloxane functionalized polyolefin. The external surface of the matte surface layer demonstrates a coefficient of friction ranging from about 0.1 to about 0.85 as determined by ASTM D1894 with an 18.14 kg (4 lb.) pound sled.

Abstract: A multilaminar high density polyethylene (HDPE) film is provided having high biaxial orientation. The film includes a HDPE substrate, at least one outer layer of a propylene copolymer, and at least one layer of an adhesion promoter material positioned between the outer layer and the HDPE substrate, to efficiently mediate adhesion therebetween. The adhesion promoter is preferably a polyethylene material having a density lower than that of the HDPE base material. Preferred adhesion promoter materials include very low density polyethylene (VLDPE), high pressure low density polyethylene (HP-LDPE), linear low density polyethylene (LLDPE), and medium density polyethylene (MDPE). The film is high biaxially oriented, being, stretched in the machine direction to a degree of from about 5:1 to about 8:1, preferably from about 6:1 to about 7:1, and stretched in the transverse direction to a degree of from about 6:1 to about 15:1, preferably from about 9:1 to about 13:1.

Abstract: There is disclosed a linear block copolymer comprising at least one triblock I--B--I, wherein I is a block of at least one polymerized conjugated diene of at least five (5) carbon atoms, such as isoprene, and B is a block of a polymer of at least one conjugated diene, different from that used to polymerize the block I, of at least four (4) carbon atoms, such as 1,3-butadiene. The B block is selectively hydrogenated, while each of the I blocks is unhydrogenated and therefore retains a sufficient amount of its original unsaturation to vulcanize the copolymer. There is also disclosed an alternative linear block copolymer containing at least one triblock of the first polymer block made from a minor proportion of at least one aryl-substituted olefin, such as styrene, and a major proportion of at least one conjugated diene used to polymerize the block I, the second middle polymer block of at least one diene used to polymerize the block B, and the third polymer block which is the same as the first polymer block.

Abstract: With sufficient oxygen but with no added fuel gas, recovering sulfur from a gas stream containing hydrogen sulfide by oxidizing the gas stream with heat exchange from heat generated in a thermal converter section of a sulfur recovery unit to convert the hydrogen sulfide in the gas stream to sulfur oxide, and thus form a sulfur oxide enriched gas stream. The sulfur oxide enriched gas stream is contacted with a solid adsorbent bed to extract the sulfur oxides and retain them as sulfur compounds, thus forming a sulfur oxide depleted gas stream. The adsorbent bed is then contacted with a reducing gas stream to reduce the retained sulfur compounds to hydrogen sulfide and/or sulfur dioxide and thereby form a hydrogen sulfide and/or sulfur dioxide bearing stream. Sulfur is recovered from the hydrogen sulfide and/or sulfur dioxide bearing stream, and the sulfur oxide depleted gas stream maybe sent to an incinerator or vented through a stack.

Abstract: A process for reducing sulfur content in a gaseous stream with the production of elemental sulfur by first treating the gaseous steam with hydrogenation and hydrolysis to convert substantially all of the sulfur components therein to hydrogen sulfide. Then reducing the water content of the gaseous stream to optimize chemical equilibrium. Thereafter, the gaseous steam is contacted in an oxidation reactor with an acid catalyst at a temperature of about 150.degree. C. to about 350.degree. C. to convert hydrogen sulfide to elemental sulfur. The product gas leaving the oxidation reactor is cooled to separate elemental sulfur by condensation. The acid catalyst is a shape selective zeolite, a metal-exchanged or impregnated alumina, or a mixture thereof. The alumina is gamma phase alumina impregnated with from about 0.2 wt % to about 2.0 wt % metal.

Abstract: A method and system useful for the removal of contaminants such as sulfur oxides from waste gas streams using a graded-bed system is disclosed. The graded-bed system uses beds with solid sorbents of two or more particle sizes in separate sections of the bed. In one embodiment, the solid sorbents are arranged so that the larger sorbent particles are disposed in the entrance region of the graded-bed system. In operation, a waste gas stream is passed over and through the solid sorbents so that contaminants, such as sulfur oxides and/or nitrogen oxides are adsorbed. The sorbent bed is then contacted with a reducing gas to desorb the sulfur oxides.

Abstract: An exhaust gas treatment process useful for the removal of nitrogen oxides using an iron impregnated zeolite as the catalyst and ammonia as a reducing agent. It is desired to extend the effective temperature range for the selective catalytic reduction (SCR) of nitrogen oxides below about 400.degree. C. This is accomplished in the instant invention through the use of an intermediate pore size zeolite, such as ZSM-5, based catalyst which has been ferrocene treated to substantially incorporate iron into its pores. The catalyst may also be hydrothermally treated at least once, if desired.

Abstract: The invention relates to lubricant and fuel additives having antiwear and friction reducing properties. The invention also relates to compositions of oils with viscosities appropriate for lubricants, greases produced therefrom, and fuels and methods for making these compositions. Described in this invention are products of nitrogen heterocycles, such as benzotriazole and tolyltriazole, with amines, such as alkyl amines, aliphatic diamines, alicyclic amines, heterocyclic amines, propylene amines, and aliphatic etheramines, that are linked using carbonyl compounds (e.g., aldehyde, ketone or glyoxal). Additionally, products generated by the reaction of carboxylic acids or carboxylic acid generating compounds (e.g., salts or esters) with carbonyl (e.g., aldehyde, ketone or glyoxal) coupled nitrogen heterocycles and amines, including those described above, are also included in this invention. These products can be used in fuels and lubricants to produce improved antiwear and friction reducing properties.

Abstract: Methods for preparing phosphorus containing catalysts comprising a large-pore zeolite, e.g., zeolite Beta, zeolite ZSM-12, or zeolite ZSM-20, and a matrix which have improved attrition resistance. The present invention includes the catalyst compositions produced by the above methods. Also included in the present invention are methods for the use of catalysts prepared by the present method in hydrocarbon cracking processes. It is desired to develop cracking catalysts for organic compound conversion that have improved cracking yields and have good attrition resistance. This invention involves the use of large pore siliceous zeolites and a highly siliceous matrix to produce a cracking catalyst with improved cracking yields and good attrition resistance. The invention further involves the use of phosphorus and the use of selected sequences for combining the compounds in the manufacture of the catalyst to enhance the attrition resistance of the catalyst.

Abstract: A catalyst composition which comprises a crystalline metallosilicate having the structure of zeolite Beta, phosphorus, and a matrix that is substantially free of crystalline aluminum phosphate which has improved resistance to steam deactivation and which has higher cracking activity than analogous catalysts prepared without phosphorus. The crystalline metallosilicate may be used in the as-synthesized form or in the calcined form. Also included is the method to produce the catalyst composition and methods for the use of catalysts prepared by the present method in organic conversion processes. Specific embodiments of the invention involve various techniques for preparation of catalysts containing phosphorus and crystalline metallosilicates having the structure of zeolite Beta. Catalysts prepared according to the method of this invention are useful for organic compound, e.g., hydrocarbon compound, conversion processes.

Abstract: An exhaust gas treatment process useful for the removal of nitrogen oxides using an iron containing zeolite as the catalyst and ammonia as a reducing agent. It is desired to extend the effective temperature range for the selective catalytic reduction (SCR) of nitrogen oxides below about 400.degree. C. This is accomplished in the instant invention through the use of an intermediate pore size zeolite, such as ZSM-5, based catalyst which has been treated to incorporate iron into its pores.

Abstract: This invention relates to a new and useful method for manufacturing a catalyst composition comprising a crystalline molecular sieve having the structure of ZSM-5 and a matrix material, the new catalyst composition, and use of the new catalyst composition in accordance herewith as a catalyst component for organic compound, e.g., hydrocarbon compound, conversion.

Abstract: Waste water chemical oxygen demand is reduced from a waste water by passing the water in the presence of an oxidizing agent through an adsorbent porous solid substrate, preferably zeolite A, zeolite X, zeolite Y, ZSM-5, erionite, or chabazite which has been partially ion exchanged with a water insoluble metal compound, copper (Cu), that cataytically facilitates oxidation of the offensive substances or the components in the waste water that increase its chemical oxygen demand, such as cyanide, sulfide, thiosulfate, sulfite, mercaptan, or disulfide. The preferred oxidizing agent is air. It is desired to develop a process for waste water treatment that is effective at reducing the concentration of the offensive substances in the waste water while minimizing the deposition of undesirable residues into the treated waste water.

Abstract: Waste water chemical oxygen demand is reduced from a waste water by passing the water in the presence of an oxidizing agent through an adsorbent porous solid substrate, preferably zeolite A, zeolite X, zeolite Y, ZSM-5, erionite, chabasite or activated carbon which has been partially ion exchanged with a water insoluble metal compound, preferably copper (Cu), that facilitates oxidation of the components in the waste water that increase its chemical oxygen demand, such as sulfide, thiosulfate, sulfite, mercaptan, or disulfide. The preferred oxidizing agent is air.

Abstract: A method for synthesizing a zeolite bonded to a substrate utilizes a reaction mixture having a H.sub.2 O/YO.sub.2 molar ratio of at least 25 and Y is a tetravalent element, particularly silicon.A structure made according to this method includes a film of interconnected zeolite crystals bonded to a substrate and the structure is characterized by a value r representing the mg of zeolite/cm.sup.2 of substrate surface and a value e representing the coating efficiency as mg of bonded zeolite/mg of YO.sub.2 initially in the synthesis mixture; wherein r is at least 0.5 and e is at least 0.05.Processes are provided for separation, sorption, organic feedstock conversion, light paraffin dehydrogenation and NO.sub.X conversion over the structure.

Abstract: A hydrocracking process uses a catalyst which is based on an ultra-large pore crystalline material. The crystalline material has pores of at least 13 .ANG. diameter arranged in a uniform manner and exhibits unusually large sorption capacity demonstrated by its benzene adsorption capacity of greater than about 15 grams benzene/100 grams (50 torr and 25.degree. C.). A preferred form of the catalyst has a hexagonal structure which exhibits a hexagonal electron diffraction pattern that can be indexed with a d.sub.100 value greater than about 18 .ANG.. The hydrocracking catalysts based on these materials are capable of producing hydrocracked products of improved quality with lower nitrogen and aromatic content.

Abstract: The invention provides an isoparaffin: olefin alkylation process comprising contacting isoparaffin and olefin with a synthetic porous crystalline material which is characterized, in its uncalcined form, by an X-ray diffraction pattern including values substantially as set forth in Table I of the specification and having a composition comprising the molar relationshipX.sub.2 O.sub.3 :(n)YO.sub.2,wherein n is less than about 20, X is a trivalent element and Y is a tetravalent element.

Abstract: A crystalline high silica-containing zeolite, such as ZSM-5, is hydrothermally treated with aluminate ion to enhance the catalytic activity.

Abstract: A process for the direct catalytic conversion of petroleum residual oils is disclosed wherein said oils, hydrogen and hot solid catalyst particles are contacted to form a suspension in a riser reactor thereby producing lower boiling components with the concomitant removal of impurities, e.g., metals, sulfur and nitrogen,, from the oils. Furthermore, the catalyst particles are regenerated in a partial oxidation mode, i.e. with oxygen and steam present to generate a synthesis gas comprising CO, CO.sub.2 and H.sub.2. Such synthesis gas can be subsequently shifted to produce a H.sub.2 --CO.sub.2 rich gas which could then serve as the hydrogen source in the riser reactor.

Abstract: Catalytic conversion of organic compounds in the presence of crystalline zeolite ZSM-23, or a thermal decomposition product thereof, is provided. Zeolite ZSM-23 has a composition, in the anhydrous state, expressed in terms of mole ratios ofoxides, as follows:(0.58 to 3.4)M.sub.2/n O : Al.sub.2 O.sub.3 : (40 to 25)SiO.sub.2wherein M is at least one cation having a valence n, and is characterized by a specified X-ray powder diffraction pattern.