Abstract: Alkali metal oxides of cis- and trans-2,6,6-trimethylbicyclo(3.1.1)-heptan-2-ol are surprisingly effective bases in organic reactions calling for the use of a strong base, especially those reactions wherein abstraction of a proton from attachment to a carbon atom is postulated to occur in the mechanism.
Abstract: Polydentate phosphonium salts, prepared by reacting a polydentate phosphine containing two or more trivalent phosphorous atoms with various mono or difunctional organic halides, are effective agents for treating glass and specifically glass capillary chromatographic columns.
Abstract: Increasing the solids content of an aqueous dispersoid of:(a) a resin having aliphatic backbone carbons;(b) addition polymer, and(c) graft polymer consisting of addition polymer grafted to the aliphatic carbon atoms of said resin;which comprises bringing together ethylenically unsaturated monomer, initiator, and such dispersoid, and polymerizing the such monomer in situ.Preferred products produced are water-reducible epoxy resin-based. These are produced by a process which comprises initiating addition polymerization of ethylenically unsaturated monomer in the presence of such dispersoid.
Abstract: A flavored comestible spread consisting essentially of an oil-in-water dispersion of water; a partial glyceride ester composition containing about 38-48% diglyceride, monoglyceride in the ratio of about 1:5 to 1:1.5 based on the diglyceride content, and triglyceride in an amount less than the mono- and diglyceride contents combined, said partial glyceride having a Capillary Melting Point less than about 120.degree. F.; surface active cellulosic thickener; and at least a threshold proportion of flavorant and/or colorant.
Abstract: An opacified latex paint comprising small particle film-forming latex binders in combination with minor amounts of opacifying pigment, and substantial amounts of non-film-forming polymeric particles (plastic pigment) provides a semi-gloss latex paint composition having excellent hard enamel surfaces along with desirable film integrity properties. The plastic pigment particles are between about 0.1 and 0.5 microns and contain 0.2 to 2% copolymerized monomers containing carboxylic acid groups. The semi-gloss plastic pigment latex paint is compounded at pigment-volume-content (PVC) between about 30% and 45% and considerably higher than conventional high quality enamel latex paints. The opacified semi-gloss paint films exhibit excellent physical properties such as hard enamel surfaces, scrub resistance, burnish resistance, mar resistance, stain resistance, and other desirable paint film integrity properties.
Abstract: Vanadium impurities in chlorinated titaniferous materials are rendered easily removable by reacting said chlorinated titaniferous materials with a high surface area carbon at an elevated temperature. A process for preparing said high surface are a carbon is also described.
Abstract: An opacified latex paint comprising acrylic film-forming latex binders in combination with minor amounts of opacifying pigment and substantial amounts of non-film-forming polymeric particles (plastic pigment) provides a latex paint composition having desirable film integrity properties. The plastic pigment latex paint is compounded at a substantially high pigment-volume-content (PVC) greater than 75% PVC and yet produces a continuous crack-free paint film even though the dried paint film is highly loaded with non-film-forming components. The opacified paint films maintain excellent physical properties such as scrub resistance, burnish resistance, mar resistance, stain resistance, and other desirable paint film integrity properties.
Abstract: A process for dispersion strengthening metal alloys comprising the steps of separating metal powder particles larger than about 180 microns, flattening the particles to provide flake particles having a thickness less than 180 microns, and then internally oxidizing the flake particles. The flaked particles can be combined and consolidated with atomized particles less than about 180 microns on a 20% to 80% and preferably 40% to 60% weight basis to provide improved dispersion strengthened metal products.
Abstract: Improved soldering or brazing paste compositions comprising a metal alloy powder and a vehicle therefor have been developed. The vehicle comprises hydroxypropyl cellulose blended with glycerine and/or water further blended with a mixture of polyalkoxyalkanols. Said vehicle is totally fugitive, leaving exceptionally low residue and maintains stable viscosity during extended storage.
Abstract: Particle size of suspension polymer particles is controlled in the suspension polymerization of a mixture of ethylenically unsaturated monomers including an ethylenically unsaturated monocarboxylic acid and pentaerythritol triacrylate by increasing the proportion of pentaerythritol triacrylate in said monomer mixture to increase the size of the suspension polymer particles.
Abstract: Thermosetting powder coatings comprising reactive polymers containing reactive carboxyl, hydroxyl, and/or amide groups and adapted to be cross-linked with aminoplast resins are substantially improved by the inclusion of at least about 0.25% by weight of a heat curing catalyst. The catalyst is an amine salt of cyclohexyl sulfamic acid.
Abstract: A key mechanism arrangement for use in a keyboard of a business machine wherein a snap motion occurs in response to depression of a keylever. An elongated resilient member is pivotally supported intermediate its ends on a member. One end of the resilient member is coupled to the keylever for bias support thereof, while the free end cooperates with a restraining means, to first prevent its movement during initial keylever depression to store energy and then quickly released, causing the free end to snap against a member of a utilization apparatus. The resilient member restores the key mechanism arrangement to a rest position upon release of the keylever. Four embodiments are disclosed all having the same mode of operation. In three of the embodiments the restraining means includes a means of latching the free end of the resilient member and then selectively releasing that end actuated by further depression of the keylever.
Abstract: An electrocoating composition useful for electrocoating a paint coating from an aqueous solution onto an anode electrical conductive substrate. The electrocoating composition is based upon a fatty acid ester and .alpha.,.beta.-unsaturated dicarboxylic acid modified styrene-allyl alcohol copolymer further modified with an acid-functional acrylic copolymer. The electrocoated film can be air dried or heat cured.
Abstract: An encoding apparatus in which strikers actuated by the keys of a keyboard, for example, impact selected ones of a group of parallel bars (equivalent to sonic delay lines) at points substantially equally distant from single transducers located on each bar. A timer controls transfer of data signals--the transducer output of the bars--to a display, a printer, etc. The transfer includes storage in a multibit electronic latch.
Abstract: The invention pertains to thermosetting powder paint compositions adapted to fuse and thermoset upon exposure to heat. The powder paint is based upon a one-component, self-curing polymeric binder comprising a thermosetting glycoluril copolymer containing methylol or alkoxy methyl glycoluril groups adapted to cross-link with reactive hydroxyl, carboxyl, or amide groups on the copolymer. The copolymer is produced by partial condensation of tetramethylol or tetra-alkoxy methyl glycoluril with units containing reactive hydroxyls, carboxyls, or amide groups.
Abstract: An improved two-step process for producing bimodal emulsion polymer particles includes the steps of first providing uniform size polymer particles in the first stage by feeding monomers to the reaction mixture at a rate faster than the rate the monomers polymerize, and followed by a controlled second stage monomer polymerization by feeding monomers to the reaction mixture at a rate slower than the rate of polymerization of the monomers. The polymer particles are bimodal and are particularly useful in coatings, adhesives, and plastics.
Abstract: The invention pertains to thermosetting powder paints adapted to fuse and thermoset upon exposure to heat. The powder paint is based upon a two-component binder system comprising a polymeric glycoluril adapted to cross-link a matrix polymer having reactive hydroxyl, carboxyl, or amide groups.