Abstract: Building materials of the type containing an impermeable membrane, as for example, an insulation material, or a wall board, or ceiling tile are provided. The impermeable membrane is first formed upon a sheet of paper which gives structural rigidity to the membrane, and is then used as an adhesive to hold the paper onto a porous body by heating the membrane to a softened condition and pressing it against the porous body. The membrane is preferably made in two steps wherein a first application of a thermoplastic latex is put on the paper and then a second application of latex is applied to seal pores in the film produced by the first application of latex. A fire retardant i.e. either a flame retardant salt in the paper or a halogen liberating resin coating on the outside surface is provided to liberate flame extinguishing gases to be held in place by the vapor barrier.

Abstract: The improvement in the bonding relationship between glass fibers and elastomeric materials in the manufacture of glass fiber reinforced elastomeric products wherein the glass fibers are previously sized with a size consisting essentially of an anchoring agent such as an amino silane, an epoxy silane or a Werner complex compound wherein the carboxylato group of the Werner complex contains either an amino group or an epoxy group and impregnated in bundle form with an impregnant consisting essentially of a natural rubber and resorcinol-formaldehyde resin and in which the impregnating composition may be employed as the size to provide the desired loading of material on the glass fiber surfaces without subsequent impregnation of the fiber bundle when the size composition is formulated of the natural rubber latex - resorcinol-formaldehyde resin plus an organo silicon compound or Werner complex compound wherein the organo silicon compound is formed of an amino silane or epoxy silane and wherein the carboxylato group

Abstract: Apparatus for applying liquid coating or sizing material to fibers where the body of the applicator has a passageway with an elongated outlet and an exterior groove adjacent the outlet. A rotatable applicator roll, for supplying the sizing to glass fibers, is positioned in the exterior groove of the body so that a portion of the roll projects beyond the open end of the groove adjacent to the outlet. There is a means for rotating the applicator roll in a direction such that the circumferential surface of the roll moves away from the groove at the outlet. There is also a means for supplying liquid coating or sizing under pressure to the passageway of the body. The sizing then is discharged through the outlet onto the circumferential surface of the applicator roll as the surface moves away from the groove during rotation.

Abstract: Foamed products from sodium silicate are disclosed. The products are autoclaved after formation of the foam is completed. The foam products are used as structural and insulation material.

Abstract: An acoustical panel assembly having improved structural, decorative and acoustical properties is disclosed. The panel assembly includes a perimeter frame. A thin septum member is supported in the center of the frame. A fibrous glass layer is positioned adjacent each side of the septum member. A molded, semi-rigid, fibrous glass diffuser member is positioned adjacent each of the fibrous glass layers. The assembly includes means for joining adjacent panel assemblies and, in one embodiment, an outer decorative fabric layer is positioned adjacent each of the outer surfaces of the diffuser members.

Abstract: A composition for use in the treatment of glass fibers or metal fibers to securely bond such fibers to elastomeric materials in the manufacture of fiber-reinforced elastomeric products containing as an essential ingredient an aziridine polyester prepared by reaction of ethylene imine with an unsaturated polyester.

Abstract: Glass Fibers sized with water soluble polymeric compositions to maintain strand integrity during processing and to induce complete filamentization of the glass fibers from a bundle during blending and mixing of the glass fiber bundle with an aqueous medium.

Abstract: Organo silicon compounds prepared by reaction of a dialkyl hydrazine of the formula ##EQU1## wherein R.sub.1 and R.sub.2 are each alkyl with an epoxy silane such as an epoxy silane of the formula ##EQU2## or an epoxy silane of the formula ##SPC1##Where y is an integer and R.sub.5 is alkyl. The organo silicon compounds described can be employed in the treatment of glass fibers to improve the bonding relationship between glass fibers and resins or elastomeric materials.

Abstract: Organo silicon compounds having the formula ##EQU1## wherein R.sub.1 and R.sub.2 are alkyl, R.sub.5 is a hydrocarbon group or an unsaturated ester group, R.sub.6 and R.sub.7 are alkoxy, R.sub.5 or hydrogen, and R.sub.8 is hydrogen or an organic group such as hydrogen, alkyl or a group of the formula--CH.sub.2 --O--R.sub.4 --where R.sub.4 is aryl, alkyl, alkenyl or a group of the formula ##EQU2## where R' is hydrogen or methyl. The compounds of this invention are prepared by reaction of a dialkyl hydrazine with an epoxide in the presence of an organo silicon compound and are used as coupling agents in the treatment of glass fibers. Also disclosed are glass fibers coated with aminimide compounds containing aluminum, gallium, phosphorus, arsenic, antimony, boron, germanium or tin.

Abstract: We disclose glass compositions having an index of refraction of about 1.550 in the fiber form. Textile glass fibers formed from these glass compositions are especially useful for the reinforcement of clear plastics.This invention relates to fiberizable glass compositions. More specifically, this invention relates to textile glass fibers.We often use textile glass fibers for the reinforcement of plastics. Commercially available textile glass fibers for this purpose are E-glass and S-glass filaments. Recently, we developed a fiberizable glass composition in which we eliminated the potential pollutants boron and fluorine. The fibers formed from this glass composition compare favorably with E-glass in color, liquidus temperature, and viscosity.The index of refraction (1.576) of this glass composition, however, is too high for the reinforcement of clear plastics. That index should be about 1.550.We now have developed glass compositions which have an index of refraction of about 1.550 in the fiber form.

Abstract: A water base, hardenable coating composition is disclosed for use on the inner or air conducting surfaces of fibrous glass thermal insulation employed in heating, cooling or ventilating conduits. The coating comprises, by weight: 70% to 90% of aluminum or magnesium hydrate; 5 to 20% of a binder such as vinyl acrylic latex or polyethylene vinyl acetate latex; and 1 to 10% of a flame retardant such as a sodium borate or boric acid.

Abstract: A method for producing a phenolic molding is disclosed. The method includes the steps of mixing phenol, formaldehyde and a hydraulic cement, forming the resulting composition to a predetermined shape and maintaining the composition in the predetermined shape until an insoluble, infusible article is formed by condensation. At least 10 percent of the hydraulic cement must be Portland cement. The mole ratio of formaldehyde to phenol must be at least 1:1, and the amount of hydraulic cement must be sufficient for reaction with from 1 to 9 times the sum of the water of condensation of the phenol with the formaldehyde and the water charged to the mix. The use of reinforcing glass fibers in producing phenolic moldings is also disclosed, as well as the use of urea and resorcinol in addition to the phenol, formaldehyde and hydraulic cement.

Abstract: A composition for use in the treatment of glass fibers and glass fibers treated therewith, wherein the composition is formulated to include an organo silicon compound in the form of an epoxy, an amino or an alkenyl silane blended with an organo silicon compound containing a beta-chloroalkoxy group. The glass fibers treated with the composition can be used in the reinforcement of thermosetting resins and elastomeric materials.

Abstract: Addition products of polyepoxides which have proved to be excellent flame-retardants for plastic foams such as polyurethane foams are disclosed.

Abstract: Flame retardant polyurethane foams are disclosed. Flame resistance is achieved by a combination of at least three polyols. Control of internal exotherm is achieved by the addition to the foams of an inorganic material such as hydrated alumina.

Abstract: The disclosure embraces a method of and apparatus for processing bodies or tiles such as surfacing tiles fashioned of compressed mineral fibers bonded by a cured binder wherein the bodies or tiles are arranged in stacked or nested relation and the bodies or tiles individually and successively detached or separated from the bottom of the stack and advanced through processing stations at which the bodies or tiles are subjected to finishing operations whereby the bodies or tiles are configurated to substantially uniform size and shape.

Abstract: A boron-free glass composition for use in fiber optics is disclosed. In the field of fiber optics, light is transmitted from one point to another by small diameter fibers. These fibers are composed of a central core surrounded by an outer cladding or sheath. The glass compositions of this invention can be used as the core glass or the sheath glass.

Abstract: A preformed manhole suitable for use underground is made of reinforced plastic. The manhole comprises a dome section integrally joined at one end of a tubular body by an endless band of reinforced plastic. The dome is arcuately shaped to provide resistance to buckling, and in one specific embodiment is generally hemispherical. The dome includes a manway and a load bearing shoulder for supporting the manhole cover and frame. An upwardly extending rib or collar is provided around the manway to provide additional stiffness and stability.The method for making the preformed manhole is also disclosed. The tubular body is made by applying resin, glass fiber reinforcement, and particulate filler on an endlessly advancing mandrel. The dome is made by applying resin and glass fibers on the surface of a rotating mold. The dome and body are joined by laying-up resin and glass over their mated ends.

Abstract: A reinforcement system for pneumatic tires featuring combination cords of individually varying extensibility composed of elements of extensible character and, combined therewith, elements of relatively inextensible character; the combination cord of greatest extensibility being preselectively located in the region of the tire subjected to the greatest deflection whereby the stress incurred during average environmental usage or of a particular impact is not transferred to the elements of relatively inextensible character until the deflection has reached a value preselectively determined. The combination cords include an organic and a somewhat greater length of substantially inextensible material, e.g., glass, so combined therewith as to yield a unit length, and are tailor-made to exhibit a particular degree of elongation depending upon the particular combination of variable lengths and the selection of organic elements to be combined with the glass.

Abstract: Glass fibers are coated with a mixture of an organo silane coupling agent, an oxidized polyolefin, and a carboxylated high molecular weight elastomer having a solubility parameter similar to that of polyolefin. In the preferred arrangement the coupling agent, polyolefin, and high molecular weight elastomer are in the form of an aqueous emulsion which is applied to the fibers as a coating at forming, and then dried. The silane coupling agent may be applied either as an initial coating or in mixture with the emulsions, and the coated fibers when dried are particularly adapted for the production of composites having a polyolefin matrix and a reinforcement of the coated glass fibers.