Abstract: Ethylene polymers having a) a Polydispersity Index of about 2 to about 4; b) a melt index, MI, and Relaxation Spectrum Index, RSI, such that (RSI)(MI.sup.0.6) is about 2.5 to about 6.5; c) a Crystallizable Chain Length Distribution Index, L.sub.w /L.sub.n, of about 1.0 to about 9; and d) a density, .rho., and a percent haze when fabricated into films such that the percent haze is less than 370.rho.-330, are provided. These ethylene polymers advantageously combine superior clarity and toughness with low extractables and enhanced processing ease.

Abstract: A catalyst composition for the polymerization of olefins is provided, comprising a bis(hydroxy aromatic nitrogen ligand) transition metal catalyst precursor and an activating cocatalyst.

Abstract: A new method is provided to impart a hydrophilic lubriciious coating onto articles such as medical devices. A device, for example a catheter, is first contacted with a polyisocyanate solution, to provide coupling, then contacted with a poly(carboxylic acid) solution to give a coating, and is then finally oven dried. These coatings have lubricity that only becomes manifest upon exposure to water ro body fluids, and moreover, are also long lasting and have good abrasion resistance. This combination of properties is not available from other currently used or proposed coatings.

Abstract: The resolution and stability of liquid, dual-tone photoresist formulations containing novolac resins and photoactive compounds are enhanced by the incorporation therein of certain carbodiimide resolution enhancers.

Abstract: Antimicrobial compositions, containing 2,2-dibromo-2-nitroethanol, are fast acting and more effective than other halonitroalknaols, while particularly effective in industrial cooling water, pulp and paper manufacture, and for inhibiting sulfur-reducing bacteria growth in oil and gas well recovery.

Abstract: A curable composition based on a cycloaliphatic polyepoxide, a polytetramethylene oxide polyol and a photoinitiator; and a circuit board having as a conformal coating thereon, the cured product of the curable composition.

Abstract: Sulphur dioxide is removed from gas streams by contacting the gas stream with an absorbing medium containing less than about 80 wt. % of water and the spent absorbing medium subsequently is regenerated by removing absorbed SO.sub.2. The absorbing medium comprises amine salt absorbent having at least two amine groups, at least one of which is a salt and at least one of which has a pKa of about 4.5 to 7.3. The absorption is at a temperature of less than about 60.degree. C. The spent absorbing medium is regenerated under conditions such that at least one amine group remains in salt form.

Abstract: Components are removed from gas streams by contact in a contact zone with finely-divided droplets of reversible liquid sorbent wherein a portion of the droplets is coalesced, which droplets contain a concentration of component sorbed greater than that predicted by vapor-liquid equilibrium at the condition of the gas stream at the exit of the contact zone.

Abstract: Spray coating, particularly flat spray coating of circuit boards. Applicant's method of conformal coating, eliminates "railroading" at the edges of the flat spray web and assures precise control of the amount of coating material placed on the circuit board surface.The method includes longitudinally advancing a pressurized coating over a surface to be coated, while simultaneously feeding the coating in a flat spray pattern, and triggering feeding "ON/OFF" so as to proportion the amount of coating being fed onto the surface and to reduce "fishtail" at the edges of the flat spray pattern.

Abstract: Described herein are curable molding compositions comprising a mixture of:(a) a vinyl ester produced by the addition of an unsaturated monocarboxylic acid to a polyepoxide and having a molecular weight greater than 300;(b) acrylic or methacrylic acid or a functionalized derivative thereof having a molecular weight of less than 300;(c) an ethylenically unsaturated monomer which is soluble in and copolymerizable with (a) and (b) and which is different from (b).The compositions can also contain one or more fibers with a melting point or a glass transition temperature above about 130.degree. C.

Abstract: A process and formulation are provided for the removal of sulfides from solids and fluids utilizing certain halonitroalkanols. These compounds can rapidly and quantitatively remove hydrogen sulfide, organic sulfides and their salts from solutions, particularly aqueous mixtures.

Abstract: A biocompatible, film-forming delivery system for the delivery of pharmaceutical or therapeutic actives to a desired topical site of a subject, the system including:an active salt compound, wherein the active salt compound is at least a partial salt of(1) a carboxylic acid moiety-containing, biocompatible, film-forming polymer with(2) at least one active selected from the group consisting of pharmaceutical actives, therapeutic actives and a combination thereof, wherein the at least one active is capable of complexing with at least one carboxylic acid moiety of the polymer to form the active salt compound, andwherein the active salt compound forms an active salt compound film on the topical site and the active salt compound disassociates into the polymer and the at least one active while the delivery system is in contact with the topical site such that the polymer remains thereon as a polymer film and the at least one active is delivered to the topical site in an absorbable form.

Abstract: This invention describes novel molded flexible polyurethane foam surfactants which can be used in foam having high concentrations of reinforcing graft copolymer solids. The invention also describes an improved process for making these foams using the novel surfactants.

Abstract: A normally liquid, stable polymer/polyol composition which imparts improved combustion resistance to polyurethane foams prepared therefrom while retaining satisfactory foam tensile properties are formed by polymerizing in the presence of a free radical catalyst and in the essential absence of an alkyl mercaptan, (1) from about 25 to about 60 weight percent of an ethylenically unsaturated monomer or monomers, for example, a mixture of acrylonitrile and styrene in a weight ratio respectively of 25:75 to 0:100, dissolved or dispersed in (2) from about 40 to about 75 weight percent of a polyol comprising a base polyol having a hydroxyl number of less than about 150, wherein the polymer is characterized by a crosslinking coefficient of less than 55 and an intrinsic viscosity of at least 0.30.

Abstract: Polyurethane which is reaction product of mixture comprising polyisocyanate and polymer-polyol comprising reaction product of polyol of average molecular weight of at least 500 and that is essentially free of ethylenic unsaturation, epoxy co-reactant essentially free of ethylenic unsaturation, and at least one ethylenically unsaturated monomer reactive with free hydroxyl groups of the polyol and which has been polymerized in the presence of said polyol and epoxy or of an adduct of the polyol and epoxy by free radical addition polymerization to a substantially linear polymer having a molecular weight of at least 5000.

Abstract: Polyester resin is modified with siloxane block polymers in such a manner so as to form silicone-modified polyester copolymer domains of controlled size and distribution dispersed in the polyester matrix. These domains undergo microphase segregation and migration during the melt spinning and cold-drawing to the surface of the polyester fiber being formed so as to provide a silicone-sheathed polyester fiber.

Abstract: A novel class of fatty ethenoid acylaminoorganosilicon compounds are provided which are useful as coupling agents for fiber glass reinforced resin composites.

Abstract: Novel polyols, useful in, for example, reaction injection molding, high resiliency foams and the preparation of polymer/polyols, characterized by the following formula: ##STR1## wherein A and A', which may be the same or different, are conductive atoms - carbon, oxygen or combinations thereof with hydrogen atoms or the like satisfying the valences; B is nitrogen (N) or CR, R being hydrogen, alkyl, aryl or the like; Q is 0, CH.sub.2 O, C.sub.2 H.sub.4 O, C.sub.3 H.sub.6 O, or C.sub.4 H.sub.8 O; D is an oxyalkylene or ##STR2## X and X', which may be the same or different, are OH, NH.sub.2 or H; Z is OH; n and d are integers of 0 to 10 and the sum of n and d does not exceed 10; s is 0 or 1, and m is an integer of at least about 16, with the proviso that when B is N and either n or d is zero, X and X' are other than H, provide processing advantages and are highly compatible with low molecular weight extenders such as ethylene glycol.

Abstract: Novel alkoxysilyl functional silicones capable of imparting satisfactory lubricity and other properties such as softness to a variety of textile fabrics over an extended period of time under normal usage. The alkoxysilyl functional silicones include at least one functional group of the formula: ##STR1## wherein R is an alkyl or an acyl hydrocarbon radical having from one to four carbon atoms; R.sub.1 is an alkyl radical of from one to two carbon atoms or a mixture thereof; and w is an interger of from 2 to about 20.

Abstract: A process for making molded flexible polyurethane cellular products which do not substantially shrink or change dimensionally upon cooling is provided by exposing the curing product to atmospheric pressure while in the confines of the mold. Exposure can be accomplished by unlatching the mold or opening a port at an appropriate time after the reaction mixture was introduced into the mold so as to burst the cell walls of the polyurethane product.