Abstract: A process for the manufacture of a powdered coating material having a basis of hardenable synthetic resins, hardeners and pigments selected from the group consisting of metals, metal alloys, and mica for coatings with a metallic appearance wherein the single components are mixed in a finely divided state under an atmosphere of a protective gas and wherein the mixture is plasticized, under homogenization, at a temperature at which the viscosity of the synthetic resin is higher than the drop viscosity, but at most sufficiently high as to guarantee the flow, is homogenized by shearing stress and transformed into a powdered state, a powdered coating material prepared by said process and an article being coated with said coating material.

Abstract: Semi-permeable membranes are made from polyamides, especially N-alkoxyalkyl polyamides, and water-soluble polyvinyl alcohols. The membranes are preferably formed as fibers. The membranes can be made from compositions containing the polymer components and a di(lower alkyl) sulfoxide, e.g. dimethyl sulfoxide. The membranes may contain complex-forming metal components. The membranes are useful for separating chemicals from their mixtures by techniques using an aqueous liquid barrier and complex-forming metals, e.g. for the separation of aliphatically-unsaturated hydrocarbons such as ethylene from close-boiling hydrocarbons.

Abstract: Dyestuffs of the formula ##SPC1##WhereinR denotes a straight-chain or branched-chain alkyl group with 1-4 C atoms,B and B.sub.1 independently of one another denote hydrogen or optionally substituted alkyl, alkenyl, cycloalkyl, aralkyl, aryl or heteroaryl radicals or conjointly and together with the N atom form a ring which is optionally interrupted by hetero-atoms and the ring A can be substituted by 1 - 3 non-ionic substituents,Are suitable for the bulk dyeing of synthetic linear polyester.

Abstract: A fastener such as a rivet, bolt or screw is provided with a protective coating for protection against corrosion and deterioration, formed by application of a mixture of a powdered metallic substance such as powdered aluminum or molybdenum disulfide with a phenol-formaldehyde resin in a volatile carrier from the group consisting of lower alkyl alcohols, methyl ethyl ketone and petroleum distillate, such as toluene or ethyl alcohol, or both, together with strontium chromate and zinc chromate. Either teflon or fatty amido diamine is added to the foregoing mixture. The thickness of the coating after drying can be made very thin and controlled to a high degree and possesses sufficient toughness and lubricity so that it is not damaged even when used on interference type fasteners.

Abstract: Polymerizable unsaturated polyester resin syrups can be extended with aqueous alkali stabilized colloidal silica in compositions containing from 0.1 to 10.0 parts by weight of aqueous alkali stabilized colloidal silica for each part by weight of the unsaturated polyester resin syrup. The unsaturated polyester resin syrups can be extended further (a) by the addition of reactive fillers such as metal oxides or hydrated metallic salts; (b) by the addition of inert fillers such as clay, silica, glass fibers, perlite; or (c) by the addition of both (a) and (b). The fillers also may include fibrous reinforcing materials such as dispersed glass fibers, randomly oriented fiber mats, wound filaments and woven fabrics. The fillers may be present in amounts from about 0.1 to about 5 times the combined weight of aqueous alkali stabilized colloidal silica and unsaturated polyester resin syrup.The compositions can be employed in coatings, laminates, cast articles, molded articles, or other shaped articles.

Abstract: A galvanic action corrosion-inhibiting system which comprises particulate zinc and a water-insoluble zinc salt, useful in coating compositions, particularly coating compositions used to coat interiors of water heater tanks.

Abstract: Comparatively low viscosity biuret containing polyisocyanates are produced by reacting diisocyanates and biuretizing agents in proportions corresponding to a molar ratio of diisocyanate to monofunctional biuretizing agent of at least 11 : 1.

Abstract: This invention provides a film or sheet capable of being thermoformed into a shaped article and being formed from a blend of about 60 to 85 parts by weight of a polyethylene terephthalate having an intrinsic viscosity of at least about 0.90, about 15 to 40 parts by weight of a polycarbonate and about 5 to 20 parts by weight of a non-acidic silica filler, such as novaculite, the polyethylene terephthalate portion of the film or sheet having a degree of crystallinity in the range of about 20 to 40%. The present invention also provides compositions for forming such films and sheets and shaped articles thermoformed from such films or sheets, such as cook-in-trays. This invention also provides a process of forming such films or sheets.

Abstract: Glass fiber-reinforced thermoplastic polyester moulding compositions which contain poly(2,4,6-tribromostyrene) range from flame-resistant to flameproof and exhibit improved toughness properties. These moulding compositions can be used for the manufacture of shaped articles of all kinds, in accordance with the known processes.

Abstract: Sheet moulding compounds based on thermosetting unsaturated polyester resins contain a saturated liquid polyester having a melting point below 30.degree.C, for example polypropylene adipate or polypropylene sebacate to prevent shrinkage during moulding, and a thermoplastic polymer consisting essentially of polymerized caprolactone units to prevent exudation of the saturated liquid polyester during moulding.

Abstract: The present invention relates to a process for improving the adhesion between normally non-adhesive components in a multi-component polymeric fiber by the addition of one or more defined plasticizers to one or more of the components.

Abstract: This invention provides a film or sheet capable of being thermoformed into a shaped article and being formed from a blend of about 60 to 85 parts by weight of a polyethylene terephthalate polymer having an intrinsic viscosity of at least about 0.90 and correspondingly about 40 to 15 parts by weight of a polycarbonate polymer, the polyethylene terephthalate portion of the film or sheet having a degree of crystallinity in the range of about 20 to 40%. The film is essentially non-oriented. The present invention also provides shaped articles thermoformed from such film or sheet, such as cook-in-trays. Moreover, this invention provides a process of forming such film or sheet which comprises the steps of blending about 60 to 85 parts by weight of a polyethylene terephthalate polymer having an intrinsic viscosity of at least about 0.90 with correspondingly about 40 to 15 parts by weight of a polycarbonate resin, extruding the resultant blend at a temperature of above about 500.degree.

Abstract: Dyes of the formula ##SPC1##WhereD is the radical of the diazo component,R is hydrogen, alkyl or aryl,X is hydrogen, cyano or carbamoylA.sup.1 is A or ##SPC2##AndA is hydrogen or an optionally substituted hydrocarbon radical, are eminently suitable for coloring thermoplastic resinous material. Colorations stable to heat and with excellent fastness properties are obtained, the color strength of the dyes being remarkable.

Abstract: A molding material incorporating certain synthetic fibers in a polyester resin premix or sheet molding compound which will mold up with low shrink and form a panel having enhanced energy absorbing properties. The fibers have high tenacity and high denier, required elongation properties, and are resistant to degradation in the mix. They are used either alone or in combination with glass fibers. Examples of suitable fibers are nylon, polyester or polyvinyl alcohol fibers.

Abstract: A process for the production of milled particulate resins which comprises carrying out the reaction of the resin components in a moving reaction vessel containing carrier bodies. The new process is particularly suitable for the production of pigmented resins, for example daylight fluorescent pigments.

Abstract: A glass fiber reinforced flame retarding polyester composition containing decabromodiphenyl ether and/or decabromodiphenyl together with antimony trioxide wherein the ratio by weight of bromine atom to antimony atom is within the range of 0.15 to 0.29.The composition has excellent durability for thermal degradation and improved coloring properties in shaped form.

Abstract: Triesters of triethanolmethane and a monocarboxylic acid, wherein said acid has from 3 to 15 carbon atoms. The triesters are particularly useful as plasticizers in polyvinyl chloride.

Abstract: In accordance with a preferred embodiment of this invention, a fiber reinforced polyester article having a low surface profile is produced from a material which may be used either as a bulk molding or as a sheet molding compound. Preferably, this composition is produced from a formulation comprising about equal proportions of (1) an unsaturated polyester condensation product dissolved in (2) a copolymerizable reactive diluent solution of from proportionally 11/2 to 2 parts by weight of tertiary butyl styrene per each part of styrene. This formulation will of course also contain a filler such as a particulate calcium carbonate and reinforcing glass fibers. It is the specific combination of styrene and tertiary butyl styrene which promotes the low profile surface in the final molded article.

Abstract: A process for the manufacture of filaments or films wherein a fiber-or film-forming polyester is melted, there is incorporated into the melt a proportion of at least one coloring material which is soluble in the melt and the resultant colored melt is extruded to form filaments or films.

Abstract: Powder coating compositions which produce a variegated speckled appearance after being applied and baked are made from a dry blend of a finely divided fusible polymeric film forming coating composition and an oil soluble dye. Such coating compositions are useful as decorative and protective coatings for many industrial applications.