Abstract: Visible index strip rolls of a novel, cost effective construction; and methods and machinery for manufacturing those rolls.

Abstract: A decorated heat and pressure cured laminate, one of whose laminating sheets bears photoelectrographically applied indicia. The laminate at least also contains a thermosetting resin impregnated core adjacent to one surface of the photoelectrographic indicia bearing sheet. The laminate is cured at a temperature of about 300.degree.-350.degree. F. and at a pressure of about 1800-2000 p.s.i.

Abstract: A bowling lane having a decorative laminate surface in which the lane approach surface and the lane surface proper has a finish which provides a 60 degree gloss below about 30 in the machine direction as measured according to NEMA Standard 8-19-1964.

Abstract: Composites are disclosed of discontinuous cellulose fibers mixed with a methylol phenolic modified polyolefin and a bonding agent. Treated fibers are also disclosed, which are treated to reduce fiber-to-fiber interaction so as to facilitate mixing into composites.

Abstract: A process for improving the flame-retardant properties of cellulose containing fibrous materials in the absence of halogen compounds which comprises treating said fibrous materials with an effective amount of a colloidal aqueous dispersion of an alkali metal polyantimonate containing a mole ratio of alkali metal to antimony in the dispersion of at least about 0.3:1, and drying said materials is described.

Abstract: Photopolymerizable, liquid, storage stable organopolysiloxanes having viscosities of from 60 mPa.s to 2,000 mPa.s at 25.degree. C., are prepared by reacting (i) an .alpha.,.omega.-dihydroxydiorganopolysiloxane oil having a viscosity ranging from about 70 to 500 mPa.s at 25.degree. C., with (ii) a silane having the formula Z(G)SiR.sub.a (Q).sub.3-a wherein Z is CH.sub.2 .dbd.C(R')--COO-- or HS--, and further wherein the symbols R, which may be the same or different, are methyl, ethyl, n-propyl, vinyl or phenyl, R' is hydrogen or methyl, the symbols Q, which may be the same or different, are methoxy, ethoxy, n-propoxy, .beta.-methoxyethoxy and, when any two are taken together, the divalent radical --O--(CH.sub.3).sub.2 --C(CH.sub.3).sub.2 --O--, G is a linear or branched chain alkylene radical having from 1 to 8 carbons, and a is a number ranging from 0 to 2; and with the molar ratio of the hydroxyl functions comprising the oil (i) to the Q radicals comprising the silane (ii) ranging from 0.1 to 0.95.

Abstract: A fiberboard is manufactured having relatively high density skins on a relatively low density core by including urea in at least the surface fibers of a consolidated mat, having a density of less than 35 pounds per cubic foot, and then hot-pressing the consolidated mat at a temperature of at least 525.degree. F. to form a board having high density surface skins. In accordance with another embodiment of the present invention, urea is used to form a skin on higher density mats having a density of 35 pounds/ft..sup.3 or greater. The skin formed on the higher density mats has strength and density properties which are not as significantly different from the core material as is the skin formed over the low density core material of the first embodiment, but the skin on the higher density mats also improves the board strength, stiffness, paint holdout and design fidelity properties.

Abstract: Membrane forming polymers are converted to hydrophilic polymeric membranes by (a) grafting a polyoxyethylene chain to a membrane forming polymer structure and thereafter forming a membrane; (b) coating a membrane with a polymer to which a polyoxyethylene chain has been grafted; or (c) grafting in situ a polyoxyethylene chain to a formed membrane polymer.

Abstract: A finished resin comprising a highly condensed phenol formaldehyde resole resin which has green groups formed by a low condensation phenol formaldehyde resin, the finished resin being modified by addition of a weak acid and a non-cellulosic protective colloid to improve reactivity and flow properties thereof.

Abstract: A cellulosic fiber containing board is molded at a temperature of at least 525.degree. F. to provide a relatively high density skin on at least one surface.A fibrous composition, including cellulosic fibers, is consolidated to form a blank having a density of less than 35 pounds/cubic foot. The blank is then cut to a shape larger in at least two of its three dimensions than corresponding dimensions of a mold cavity when said mold is in a closed position.Urea is then included in at least a surface layer of fibers of the blank in an amount of at least 5% based on the dry weight of the fibers contacted with urea, and thereafter the cut blank is molded to form a contoured product having a skin on at least one surface thereof, the skin defined by a thickness of material on said surface of said product having a density greater than the material on which the skin is formed.

Abstract: An electrographic recording material comprising a conductive sheet support coated with an electrically insulating layer comprising an intimate blend of a polymeric binder and up to 500 parts of an inert finely divided pigment per 100 parts by weight of polymeric binder. The binder comprises from about 40 to about 90 parts by weight of a poly(vinyl acetal) and from about 10 to about 60 parts by weight of a polystyrene or a poly(.alpha.-methylstyrene). The electrographic recording material exhibits improved toner adhesion.

Abstract: Decorative, heat-and-pressure consolidated laminates comprising a decorative sheet impregnated with a thermosetting resin which does not undergo color deterioration during the consolidation step and a backing sheet, the outer surface of which has been coated prior to consolidation with a composition containing an inert filler, a non-thermoplastic adhesive, and a water-soluble thermosetting resin selected from the class consisting of urea-formaldehyde resin condensates and melamine-formaldehyde resin condensates; and processes for making such laminates.

Abstract: A process is provided for flameproofing cellulose containing fiber material which is dyed with copper-complex azo dyes. In this process the fiber material is heated with an aqueous composition containing(a) a dialkylated phosphono-propionic acid amide or its N-methylolated derivate(b) an alkanolamine such as a 2-amino-2-alkyl-1-alkanol(c) a water-soluble copper salt such as copper (II) chloride or sulphate(d) optionally an aminoplast precondensate or an etherified aminoplast pre-condensate such as methylolated or melamines or their alkyl ethers.The treated fiber material is dryed (e.g. up to 120.degree. C.) and then subjected to a heat treatment at e.g. 140.degree. to 200.degree. C.

Abstract: A laminated veneer hammerboard for a drop forge press comprised of a series of plies of hard, high density wood preferably of the order of a peeled hard maple veneer with the grain of at least most of said veneer plies running along its length, each of said plies of the hammerboard having a thickness in the range of 1/32" to 3/16", and glue deposited between the plies securing the plies together and providing a relatively large number of hard glue surfaces enhancing the wearability of the board. Vertical edges of each ply being disposed at opposite ends of the hammerboard rather than along the width thereof, thus enabling each roller to engage an outer side surface of the outermost ply on each side of the hammerboard rather than directly against opposite vertical edges of each ply.

Abstract: A laminated veneer hammerboard for a drop forge press comprised of a series of plies of hard, high density wood preferably of the order of a peeled hard maple veneer with the grain of at least most of said veneer plies running along its length, each of said plies of the hammerboard having a thickness in the range of 1/32" to 3/16", and glue deposited between the plies securing the plies together and providing a relatively large number of hard glue surfaces enhancing the wearability of the board, said plies having opposite vertical edges positioned for edgewise engagement with lift rollers on a drop forge press.

Abstract: A binder for cellulose fiber reinforced board material comprising a mixture of:(a) a weakly alkaline phenol-formaldehyde condensate resin with a phenolic compound to formaldehyde mol ratio of 1:1.5 to 1:3.0, preferably of 1:1.8 to 1:2.7, and with an alkali content of .ltoreq. 15% by weight NaOH or KOH, related to the solids content of the resin;(b) a di- and/or poly-functional isocyanate in a quantity of from 5% to 25% by weight, related to (a); and(c) a tertiary alkyl and/or aralkyl amine and/or alkylenpolyamine in a quantity of from 0.1% to 5% by weight, related to (a).a boiling water and weather resistant board material containing said binder and a process for the production of said board material are disclosed.

Abstract: Microscopic opacifying particles formed of a formaldehyde condensation product are chemically modified to impart anionic-, cationic- or hydroxy-functional groups thereto in order to provide improved dye receptivity, dispersibility and compatibility properties.

Abstract: The invention is a process for manufacturing low free-formaldehyde crease-proofing compositions for textiles and a process for treating the textile materials therewith.

Abstract: A process is provided for flameproofing cellulosics in which an aqueous solution is applied thereto which contains(A) the phosphorinane of the formula ##STR1## (B) an aminoplast precondensate, e.g. a methylolmelamine, and, optionally, (C) a latent acid catalyst, e.g. 2-amino-2-methyl-1-propanolchloride.The cellulosics, e.g. textiles containing natural or regenerated cellulose, are then dried up to 100.degree. C. and subjected to a heat treatment above 100.degree. C., e.g. at 130.degree. to 200.degree. C.

Abstract: This invention relates to a method for manufacturing base plates suitable for being pressed into records. The method is characterized in that a core layer is formed by compressing fibrous material followed by a coating of a synthetic material.

Abstract: A fiberboard is manufactured having relatively high density skins on a relatively low density core by including a skin forming chemical in at least the surface fibers of a consolidated mat, having a density of less than 35 pounds per cubic foot, and then hot-pressing the consolidated mat at a temperature of at least 525.degree. F. to form a board having high density surface skins.

Abstract: A fiberboard is manufactured having relatively high density skins on a relatively low density core by including urea in at least the surface fibers of a consolidated mat, having a density of less than 35 pounds per cubic foot, and then hot-pressing the consolidated mat at a temperature of at least 525.degree. F. to form a board having high density surface skins.

Abstract: A mineral wool board is manufactured having relatively high density skins by including urea in at least the surface fibers of a consolidated mineral wool fiberboard containing cellulosic fibers and/or starch and then hot-pressing the consolidated board at a temperature of at least 525.degree. F. to form a board having high density surface skins.

Abstract: Disclosed is a release sheet having on at least one of its outer surfaces a dried and cured coating composition comprising a release agent, a cross-linkable thermoplastic resin, and a water dispersible organic compound containing polyoxyethylene, polyoxypropylene, or a block copolymer of polyoxyethylene and polyoxypropylene.

Abstract: Metal salts of hydrolyzed long chain alkyl vinyl ether-maleic anhydride copolymers and thermally resistant release coating compositions comprising solutions or emulsions of said salts.

Abstract: A lignin-based resin binder for use in the manufacture of composition board is produced by the in situ copolymerization of a major portion of a lignosulfonate salt with melamine and formaldehyde. This resin binder employs lignosulfonate levels up to about 70 percent without any of the deleterious effects normally associated with lignin-based resin systems. The resulting binder is completely compatible with conventional composition board processes and produces a board with superior stability under adverse conditions involving high humidity and temperature over a board produced with a standard typical urea-formaldehyde resin as presently in use.

Abstract: This invention relates to high ortho etherified resole resins. The resole resins are prepared by reacting under acidic conditions phenol with formaldehyde in the presence of a divalent electropositive metal. The resole resins are then etherified with an alcohol and dehydrated to less than 1 percent water. The novel high ortho etherified resole resins are useful in coating, bonding and adhesive compositions. Such resoles are readily curable with coreactive resins providing chemical and solvent resistance.

Abstract: Melamine phosphate having hydrogen bonded thereto from about 0.5 to about 1.5 moles of phosphoric acid per mole of melamine phosphate, particleboard containing said melamine phosphate material and processes for the production thereof, are disclosed.

Abstract: The invention relates to a binder composition comprising a low molecular weight resole resin in combination with boron compounds wherein said boron compounds are present in from about 1 to 30 parts per 100 parts by resole resin solids, said composition having a pH of about 2-6 and said resole having a viscosity of from about 5 to 5000 cps. Said binder provides laminates having superior electrical and flame retardant properties.

Abstract: Rigid-when-wet, but foldable, corrugated paperboard and process of making same by applying phenolic resin to contiguous surfaces of the outer liner, the medium, and the inner liner without substantially altering the hygroscopicity of the exposed faces of the liners, and adhering the three components together before the resin is cured.

Abstract: A composition of matter comprising (1) a blend of an aqueous melamine/formaldehyde resin solution and from about 2 to about 20.0% of an ethylene glycol or (2) an aqueous solution of the resinous reaction product of melamine, formaldehyde and from about 2.0 to about 20.0% of an ethylene glycol, is disclosed.

Abstract: Surface precure of amine-aldehyde resins employed in the manufacture of composition board can be prevented by adding a water soluble thiosulfate salt, e.g., sodium thiosulfate, to the resin.

Abstract: A process for producing nonflammable laminated materials which includes the steps of impregnating a cellulose-containing material with an impregnating solution containing a phenolic-resol resin solution, at least one plasticizer for the resin and optionally flameproofing agents, subsequently drying the impregnated material to effect preliminary condensation of the resin and thereafter curing superimposed layers of the impregnated and preliminary condensed material by the application of heat and pressure. The phenol-resol resin solution used contains 50-80% by weight of an ammonia alkaline-condensed phenol-resol resin with a solids content of 65-80% by weight and with a molecular weight distribution determined by gel chromatography of: dimers 20-26%; tri- and tetramers 6-12%; penta- and oligomers 24-36%; expressed in percent per unit area and hexamethylenetetramine in amounts of 1-15% by weight based on the weight of the impregnating solution.

Abstract: A coating composition comprising (a) a hydrophilic copolymer of ethylene, alpha,beta-ethylenically unsaturated carboxylic acid and polyvalent alcohol monoester of alpha,beta-ethylenically unsaturated carboxylic acid, (b) a water-soluble base, (c) water, and if required, (d) one or more compounding agents, can form on substrates such as glass, plastics, metals and fibers films having excellent hydrophilic nature, water resistance, surface hardness, resistance to scuffing, adhesion to the substrates, and the like.

Abstract: Production of consolidated overlayed product comprising a core of particulate cellulosic material bound with a polyisocyanate binder and an overlay bound to the core through a phenolformaldehyde resin which forms a barrier inhibiting penetration of the polyisocyanate into the overlay.

Abstract: The invention relates to a binder composition comprising a low molecular weight resole resin in combination with boron compounds wherein said boron compounds are present in from about 1 to 30 parts per 100 parts by resole resin solids, said composition having a pH of about 2-6 and said resole having a viscosity of from about 5 to 5000 cps. Said binder provides laminates having superior electrical and flame retardant properties.

Abstract: The invention relates to a resin binder composition comprising, in combination, a resole resin and a metal salt curing accelerator providing a binder composition that has an improved cure rate in electrical grade laminates without adversely affecting electrical properties. The binder composition provides low viscosity for impregnation and accelerated curing rates for advancing the impregnated substrate prior to laminating and final curing.

Abstract: A laminated material comprises a substrate material containing resin-impregnated layers, a metal foil disposed on said substrate and an arc-retardant layer arranged between the metal foil and the substrate material. The arc-retardant layer is an arc-retardant, crosslinked heat-stable synthetic resinous material consisting of from about 60 to 100% by weight of a heat-stable resin which is free of aromatic groupings or heterocyclic rings containing at least one heteroatom and conjugated double bonds and which is not converted to a graphite-containing structure upon being thermally decomposed.

Abstract: Compounds containing a benzophenone or a substituted benzophenone moiety are (a) autophotopolymerizable, (b) photopolymerizable in compositions with another photoinitiator, and (c) photoinitiating in compositions with another photopolymerizable material.

Abstract: Compounds containing a benzophenone or a substituted benzophenone moiety are (a) autophotopolymerizable, (b) photopolymerizable in compositions with another photoinitiator, or (c) photoinitiating in compositions with another photopolymerizable material.

Abstract: A process for preparing stable aqueous solutions of a water-soluble urea-formaldehyde-glyoxal condensation product in which urea, glyoxal and formaldehyde are reacted under very slightly acidic conditions of pH and at a temperature of from 40.degree. to 90.degree. C., further reacted under more acidic conditions of pH and at a temperature of from 40.degree. to 90.degree. C., and then adjusted to very slightly acidic conditions of pH.

Abstract: Disclosed herein are decorative laminates meeting N.E.M.A. standards which have high impact resistance, flexural strength, and low water absorption qualities suitable for surface veneering wherein the core stock paper is made from 10% to 100% of newspaper or newsprint pulp which in the preferred practice of the invention is substituted for either the pine portion of the core sheet or the hardwood portion.

Abstract: Curable amino resins are prepared from a system having two components, each of which remains storage stable for extended periods of time. The two components are drawn from separate storage vessels and combined in an in-line mixer immediately prior to the point of use. The system reduces mixing costs and provides greater control over changes in viscosity, precipitation and resin particle size occurring during the mixing process. The resins are used as adhesives (binders) for wood fiber, particles and chips, as well as for paper products and plywood materials.

Abstract: Compounds containing a benzophenone or a substituted benzophenone moiety are (a) autophotopolymerizable, (b) photopolymerizable in compositions with another photoinitiator, and (c) photoinitiating in compositions with another photopolymerizable material.

Abstract: Compounds containing a benzophenone or a substituted benzophenone moiety are (a) autophotopolymerizable, (b) photopolymerizable in compositions with another photoinitiator, or (c) photoinitiating in compositions with another photopolymerizable material.

Abstract: A dielectric recording medium comprising an electroconductive substrate and a coating of dielectric resin binder in which there is dispersed an organophilic clay pigment. The organophilic clay pigment comprises a kaolin clay treated with an organotitanium compound. The pigment imparts a bond appearance to the dielectric recording medium and enhances the tooth or ease of marking of the coating with ink.

Abstract: The invention relates to decorative plastics laminates with improved clarity in the wear surface layer. The laminates consist of a decorative paper sheet impregnated with a noble thermoset resin, the sheet being supported by a core layer; the sheet carries a coating of a noble thermoset resin and barium sulphate. The thermoset resin is preferably a melamine-formaldehyde resin.

Abstract: An embossable laminate tape comprising an intermediate layer having a luminous material entrapped therein. When the tape is cold formed by embossing with indicia means, selective areas of the luminous material are exposed to provide luminous indicia on the embossed tape.

Abstract: A release paper which is particularly useful in platen press applications and in the casting of self-supporting films which comprises a fibrous base having a coating thereon derived from an aqueous coating composition containing a release agent, a monomeric polyhydric alcohol and a cross-linkable, thermosetting resin.