Abstract: New aminoalkylphosphonic acid esters of the formula ##STR1## wherein R is H or alkyl of up to 4 carbon atoms,R.sub.1 is H or CH.sub.3,R.sub.2 is H, CH.sub.3 or --C(R.sub.1)(NHR.sub.3)P(O)OR.sub.2, andR.sub.3 is H,--C(R.sub.1)(R.sub.2)P(O)(OR).sub.2 or --CH.sub.2 CH.sub.2 NHC(R.sub.1)(R.sub.2)P(O)(OR).sub.2,are prepared from (RO).sub.2 P(O)H, NH.sub.3 or ethylene diamine and formaldehyde, glyoxal, acetaldehyde or acetone. These new compounds can be reacted with methylol phosphorus compounds of the formulaP(CH.sub.2 OH).sub.4 Y or P(CH.sub.2 OH).sub.3where Y is an equivalent amount of the anion of at least one acid, and optionally additionally with urea. The reacting molar ratio of the hydroxymethyl phosphorus compound to the aminoalkylphosphonic acid ester is up to about 6:1 and preferably between about 0.5:1 and 3:1.

Abstract: A method of imparting smolder resistance to cotton batting and other cellulosic materials through the use of the vapors from a mixture of boric acid, methyl alcohol, methyl borate and water at 18.degree. to 68.degree. C (65.degree. to 155.degree. F).

Abstract: The specific embodiments provide a razor blade comprising at least one cutting edge, and an adherent fluorocarbon polymer coating on the cutting edge. The coating has microscopic raised portions. There is also provided a method of treating a razor blade comprising depositing on the cutting edge of the blade a composition comprising a first fluorocarbon polymer and a second fluorocarbon polymer having a molecular weight greater than the first polymer. The deposited composition is heated at a temperature sufficient to cause the first polymer to melt and flow and insufficient to cause the second polymer to melt and flow. Alternatively, the molecular weights of the two polymers are chosen to be sufficiently different such that when the two polymers melt during a heating step the viscosity of the high molecular weight second polymer is sufficiently high to avoid or at least minimize flow.

Abstract: A fabric-conditioning article adapted to the conditioning of fabrics in a laundry dryer comprising a flexible substrate carrying a conditioning agent removable to fabrics by contact therewith in a laundry dryer and having slit openings. The article is adapted to the provision of fabric-conditioning effects without undesirable restriction by the article of the flow of air through the dryer, permitting at least 75% of the normal volume of air flow through said dryer in use.

Abstract: A self-supporting, non-woven composite web is described which is readily dispersible in aqueous media containing enzymes. The web comprises intersecting randomly or partially oriented fibers and has low wet-strength in the absence of a binder, the fibers being bonded in web form by a polymeric binder which is attacked and disintegrated by enzymes, thus permitting the fibers to disperse rapidly in aqueous milieu containing enzymes. The webs of the invention are useful for production of articles useful for absorbing body wastes, e.g. diapers, bandages, etc.

Abstract: A method is disclosed for continuously applying a resinous wear-resistance surface of finish coating to a traveling web substrate which comprises moving the web into a free hanging loop, continuously feeding the liquid resin coating composition into the loop at a rate so as to maintain at least a slight overflow of the composition at the sides of the loop, withdrawing the web upwardly from the loop with a thin coating of the resin applied thereto, and then heating the coated web for drying the coating.

Abstract: A process for fire-proofing treatment of shaped articles of aromatic polyamides which comprises contacting a shaped article of an aromatic polyamide with an aqueous solution of a phosphorus-containing inorganic compound free from halogen and sulfur, drying it and then post heat-treating it; characterized in that said shaped article is contacted with an aqueous solution of a treating compound selected from the group consisting of halogen- and sulfur-free, phosphorus-containing inorganic acids and their ammonium, amine and urea salts in a concentration of about 2 to about 30% by weight, dried at a temperature of not more than about 150.degree. C., and then post heat-treated at a temperature of about 300.degree. C. to about 450.degree. C.

Abstract: Aqueous coating compositions containing dissolved reactive acrylic copolymers and aminoplast resins are disclosed. The pigmented coatings are especially useful for topcoat enamels for automobiles. A method for applying coatings to automobiles is also disclosed comprising spraying the coating composition in a relative humidity of 40 to 60% followed by heating the wet coated surface to remove the volatile components and then heating to cure the coating.

Abstract: A fabric-conditioning article adapted to the conditioning of fabrics in a laundry dryer comprising a flexible substrate carrying a conditioning agent removable to fabrics by contact therewith in a laundry dryer and having perforations sufficient in size and number as to permit at least 75% of the normal volume of air flow through a laundry dryer.

Abstract: Coatings having a matt finish are made by applying a powder varnish composition to a substrate and thereafter reacting the varnish at a temperature of 100.degree. to 240.degree. C to form the matt finish coating. The powder varnish composition is a finely divided, particulate mixture ofI. a 1,2-epoxy compound having a melting point greater than 40.degree. C and containing at least one 1,2-epoxy group; andIi. a salt of a polycarboxylic acid (such as pyromellite acid) containing three or more carboxyl groups and a cyclic amidine (such as 2-phenylimidazoline).

Abstract: Describes procedure for deposition of microporous grain layer in and on a substrate for the production of leather replacement products in which the deposition liquid diffuses upwardly through the substrate to deposit the polymer from a solution thereof which has been laminated and coated on the top surface of the substrate.

Abstract: An improved process for the thermal stabilization of an acrylic fibrous material or film is provided. The fibrous precursor or film is impregnated with an organic antioxidant by contact with a solution of the same provided at a moderate temperature, dried to remove the solvent, and heated in an oxygen-containing atmosphere at a more highly elevated temperature until a stabilized fibrous material or film is formed. The organic antioxidant advantageously serves to moderate the oxidative portion of the stabilization reaction and enables the cyclization portion thereof to proceed in the absence of substantial polymer chain degradation. The resulting stabilized fibrous material or film is flexible and non-burning, and may be utilized as a fire resistant fiber, fabric or film, or optionally carbonized or carbonized and graphitized to form a carbonaceous fibrous material or film.

Abstract: An electrostatographic imaging process comprising the steps of forming an electrostatic latent image on a surface and developing said image by contacting it with an electrostatographic developer material comprising particles, the particles including finely-divided toner material have a particle size of up to about 30 microns, a melting point of at least about 110.degree. F, a melt viscosity of less than about 2.5 .times. 10.sup..sup.-4 poise at temperatures up to about 450.degree. F, the toner material comprising a colorant, a thermoplastic resin consisting essentially of a vinyl polymer having a melting point of at least about 110.degree. F, and from about 5 percent to about 55 percent by weight, based on the weight of the vinyl polymer, of an arylsulfonamide formaldehyde adduct having a melting point between about 50.degree. F and about 250.degree. F, whereby at least a portion of the toner material is attracted to and held on the surface in conformance to the electrostatic latent image.

Abstract: Metal surfaces moving at high speeds are coated with a chromium-resin containing layer having improved adhesion and resistance to deformation. The coatings provide corrosion resistance to the metal as well as enhancing its appearance when a pigment is added. The improved metal coatings are obtained by processes which apply an aqueous dispersion containing a water soluble dichromate of a metal, a reducing agent for the dichromate consisting of a mixture of a lower alkanolamine and a hexitol, and an acrylic resin mixture consisting of about 5 to 22% by weight of thermosetting acrylic tetrapolymer and 95 to 78% by weight of thermoplastic acrylic copolymer to the metal surface and thereafter heating the metal to evaporate water and form a coating on the metal at a temperature ranging from about 180.degree. to 275.degree. F. and then curing the coating while simultaneously reducing the chromium in the dichromate by heating the metal within the range of about 400.degree. to 500.degree. F. for at least 2 seconds.

Abstract: An exceptional increase in adhesion between vinyl polymers and glass is obtained when the polymer is mixed with a primer plus an aminosilane containing more than one amino group and applied to a glass surface in combination as a single coating rather than separately. Excellent adhesive bonding results by this method even after exposure of the bonded surface to aqueous solutions containing 4% by weight of alkali for 30 minutes at 65.degree. C.

Abstract: Mechanical parts of ferrous alloys are provided with a coating consisting essentially of FeSn.sub.2, FeSn and FeSnC.sub.x with x ranging from 0.7-1.3 by holding the part to be treated in an oven at a temperature ranging from 400.degree. to 700.degree. C while the gaseous atmosphere inside the oven is comprised of a mixture of a vapor of a tin halide and a reducing gas.

Abstract: The invention relates to the labelling of textile and other flexible sheet articles in which a marking element is used which is adapted to be attached and bonded to the article by heat and pressure, said element including a heat-curing film-forming resin system in the presence of blocked cross-linking groups and under acid conditions, such resin system becoming heat-cured during the attachment of the marking element to the article to form an inert, insoluble and wear-resistant marking on the surface of the article. The resin system may be an alcohol-soluble copolyamide in the presence of a cross-linking agent which may be a precondensed alcohol-modified formaldehyde or aminoplast resin containing alkoxy alkyl group; or it may be a dispersion of a film-forming addition resin system at least one monomer of which contains groups capable of reacting with similar cross-linking agents or comonomers bearing alkoxy-alkyl groups.

Abstract: A low temperature curing polyurethane coating system is provided which enables the deposition of adherent corrosion resistant coatings having a desirable balance of hardness and flexibility by using a mixture of a solution copolymer of from 55-85% styrene with the balance of the copolymer consisting essentially of monoethylenically unsaturated hydroxy functional monomer, the copolymer being in solution in inert organic solvent, and an organic polyisocyanate. The polyisocyanate is kept separate from the copolymer solution until the desired liquid mixture is formed and used. Steel substrates coated with this coating system are cured without exceeding 250.degree. F.

Abstract: Treating cured silicone rubber with bromine water etches the normally low energy surface of the silicone rubber to produce a high energy surface to which various curable polymeric systems may be directly bonded.

Abstract: Glass fibers coated with a blend of a resorcinol-aldehyde resin, an elastomer and a combination of organo silicon compounds formed of (1) an amino-substituted organo silane and/or its hydrolysis product and an organo silicon compound containing at least one beta-haloalkoxy group formed by reaction of a halosilane, a monoepoxide and a diepoxide.