Abstract: A fire retardant fabric is manufactured from oxidized polyacrylonitrile fibers having a fineness of about 0.5 to about 1.5 denier per fiber.

Abstract: A fire retardant fabric is manufactured from oxidized polyacrylonitrile fibers having a fineness of about 0.5 to about 1.5 denier per fiber.

Abstract: A structural member for reinforcement of asphalt and concrete roadways and other products, and which comprises a gridwork of warp strands and weft strands which are disposed at right angles to each other and so as to define an open structure. In one embodiment, the gridwork is impregnated with a thermosettable B-stage resin so as to interlock the strands at their crossover points and maintain the gridwork in a semi-flexible state, and after being applied to the product to be reinforced, the resin is heated to convert the same into a fully cured composite to thereby rigidize the gridwork and reinforce the product. In cases where the product to be reinforced is heated, such as asphalt paving, the heat of the product provides the heat necessary to fully cure the resin in situ. In another embodiment, the resin is fully cured to rigidize the gridwork prior to its being applied to the structure to be reinforced. A method of producing the resin impregnated gridwork is also disclosed.

Abstract: A structural member for reinforcement of asphalt and concrete roadways and other products, and which comprises a gridwork of warp strands and weft strands which are disposed at right angles to each other and so as to define an open structure. In one embodiment, the gridwork is impregnated with a thermosettable B-stage resin so as to interlock the strands at their crossover points and maintain the gridwork in a semi-flexible state, and after being applied to the product to be reinforced, the resin is heated to convert the same into a fully cured composite to thereby rigidize the gridwork and reinforce the product. In cases where the product to be reinforced is heated, such as asphalt paving, the heat of the product provides the heat necessary to fully cure the resin in situ. In another embodiment, the resin is fully cured to rigidize the gridwork prior to its being applied to the structure to be reinforced. A method of producing the resin impregnated gridwork is also disclosed.

Abstract: A structural member for reinforcement of asphalt and concrete roadways and other products, and which includes a gridwork of warp strands and weft strands which are disposed at right angles to each other and so as to define an open structure. In one embodiment, the gridwork is impregnated with a thermosettable B-stage resin so as to interlock the strands at their crossover points and maintain the gridwork in a semi-flexible state, and after being applied to the product to be reinforced, the resin is heated to convert the same into a fully cured composite to thereby rigidize the gridwork and reinforce the product. In cases where the product to be reinforced is heated, such as asphalt paving, the heat of the product provides the heat necessary to fully cure the resin in situ. In another embodiment, the resin is fully cured to rigidize the gridwork prior to its being applied to the structure to be reinforced. A method of producing the resin impregnated gridwork is also disclosed.

Abstract: A structural member for reinforcement of asphalt and concrete roadways and other products, and which comprises a gridwork of warp strands and weft strands which are disposed at right angles to each other and so as to define an open structure. In one embodiment, the gridwork is impregnated with a thermosettable B-stage resin so as to interlock the strands at their crossover points and maintain the gridwork in a semi-flexible state, and after being applied to the product to be reinforced, the resin is heated to convert the same into a fully cured composite to thereby rigidize the gridwork and reinforce the product. In cases where the product to be reinforced is heated, such as asphalt paving, the heat of the product provides the heat necessary to fully cure the resin in situ. In another embodiment, the resin is fully cured to rigidize the gridwork prior to its being applied to the structure to be reinforced. A method of producing the resin impregnated gridwork is also disclosed.

Abstract: Fine textured fire resistant flame barrier fabrics for use as mattress and pillow ticking, bedspreads, mattress covers, draperies, upholstery, protective apparel, tenting, awnings, field fire shelters, for use as a substrate or backing for coated upholstery fabrics and as a flame barrier for use beneath upholstery fabric. The fabric is formed from a corespun yarn comprising a high temperature resistant continuous filament fiberglass core and a low temperature resistant staple fiber sheath surrounding the core. The core comprises about 20% to 40% of the total weight of the corespun yarn while the sheath comprises about 80% to 60% of the total weight of the corespun yarn. The total size of the corespun yarn is within the range of about 43/1 to 3.5/1 conventional cotton count. This corespun yarn may be woven and knit in fine, non-plied form and extends the range of fineness of fabrics below heretofore achievable limits.

Abstract: A fire-resistant fabric suitable for use as a flame barrier comprising a flame durable textile fabric substrate formed of corespun yarns, the yarns comprising a core of flame resistant filament and a sheath of staple fibers, and an intumescent coating carried by one surface of the textile fabric substrate. In normal use, the fabric is flexible and conformable and has good air porosity. When exposed to high temperature and/or a flame, however, the intumescent coating reacts and swells to form a char which closes the pores or interstices of the fabric to thus prevent flame or hot gases from penetrating therethrough.

Abstract: A fire-resistant fabric suitable for use as a flame barrier comprising a flame durable textile fabric substrate formed of corespun yarns, the yarns comprising a core of flame resistant fiber and a sheath of modacrylic intumescent staple fibers. In normal use, the fabric is flexible and conformable and has good air porosity. When exposed to high temperature or a flame, however, the modacrylic intumescent sheath fiber reacts and swells to form a char which closes the pores or interstices of the fabric to thus prevent flame or hot gases from penetrating therethrough.

Abstract: A fabric suitable for use as a flame barrier fabric comprising a flame durable textile fabric substrate, a flexible silicone polymer layer which stays intact, maintains its integrity on exposure to a flame and is carried by the surface of the textile fabric substrate, and a reflective flame durable paint coating carried by the silicone polymer coating.

Abstract: A flame-resistant office building material for use as office panel partitions, wall panels, wall coverings, ceiling panels, floor and the like is provided. The building material comprises a rigid core support material, a decorative outer surface layer, and a fiber-based flame barrier layer positioned between the support material and the surface layer. The barrier layer comprises a flame durable fabric substrate formed of fire-resistant fibers.

Abstract: An accordion folded laminate of a fiber sheet reinforced with a thermoplastic film and bonded together with adhesive is utilized as a window shade or as a shower curtain or other end use product. In the preferred form, the thermoplastic sheet comprises polyester and the adhesive comprises a low melt polyester adhesive powder. The powder is applied uniformly to the reverse face of the fiber sheet and is heated to a temperature higher than its melt temperature, and the thermoplastic sheet is pressed over the adhesive against the polyester sheet. This laminate is subsequently formed into an accordion folded configuration, with the edges of the accordion folds being heated to a temperature higher than the melt temperature of the adhesive, causing the folds to retain a memory that enhances the appearance and function of the end use product.

Abstract: This corespun yarn includes a high temperature resistant continuous filament fiberglass core and a low temperature resistant staple fiber sheath surroudning the core. The corespun yarn is useful in the formation of fine textured fire resistant flame barrier fabrics for use as mattress and pillow ticking, bedspreads, mattress covers, draperies, upholstery, protective apparel, tenting, awnings, field fire shelters, for use as a substrate or backing for coated upholstery fabrics and as a flame barrier for use beneath upholstery fabric. The core of high temperature resistant continuous filament fiberglass comprises about 20% to 40% of the total weight of the corespun yarn while the sheath of low temperature resistant staple fibers surrounding and covering the core comprises about 80% to 60% of the total weight of the corespun yarn. The total size of the corespun yarn is within the range of about 43/1 to 3.5/1 conventional cotton count.

Abstract: Textile yarns are treated with a sizing composition which, when dried and cured, remains durably bound to the yarn throughout wet finishing operations and subsequent use. The sizing composition comprises an aqueous self-crosslinking emulsion copolymer derived from at least one ethylenically unsaturated monomer and a latent-crosslinking monomer. The sizing composition may also include a water soluble or dispersible film forming polymer and a reactive resin. The durable size coating beneficially contributes to both the physical and the aesthetic properties of the yarn and fabrics formed therefrom.

Abstract: A method for preventing discoloration of durable press fabrics containing cellulosic fibers that have been previously finished using a non-formaldehyde finishing agent such as glyoxal in which the fabric is treated with an oxidative afterwash solution at elevated temperature followed by neutralization, rinsing and drying. The oxidative afterwash treatment may be performed in a continuous process as part of or immediately following the durable press finishing operation, or at a later time in a totally separate process.

Abstract: A finishing process for textile fabrics is disclosed which imparts to the fabric reduced permeability to down, fiberfill or other insulating materials. A curable finishing formulation containing silicone compounds and filler materials is applied to the fabric, dried and cured and the fabric may thereafter be calendered.

Abstract: Textile materials containing cellulosic fibers are provided with durable press properties by reacting and crosslinking the cellulosic fibers with a durable press finishing agent consisting essentially of a silicone compound and a silicone fragmentation reactant in an effective amount to fragment the silicone compound when exposed to curing conditions. The fabric is impregnated with a finishing bath containing the durable press finishing agent and the fabric is heated to fragment the silicone compound and react and crosslink the finishing agent with the cellulosic fibers to impart durable press properties to the fabric.

Abstract: Textile materials containing cellulosic fibers are provided with durable press properties by reacting and crosslinking a silicone compound with the cellulosic fibers. The fabric is impregnated with a finishing bath containing the silicone compound and a suitable catalyst and the fabric is heated to dry and cure and crosslink the finishing composition.

Abstract: An improved anvil construction, for use in an ultrasonic apparatus for edge cutting and sealing moving lengths of at least partially thermoplastic material, particularly textile fabric having at least some thermoplastic fibers, and including a vibrating sonic horn cooperating with and vibrating against the anvil for such ultrasonic edge cutting and sealing as the material moves between the sonic horn and the anvil. The anvil includes a peaked cutting edge and first and second surfaces extending in respective opposite directions from the cutting edge and is characterized by being adjustable to positions for effecting clean and sharp edge cutting and desired amounts of edge sealing in the material while resisting wear on the anvil.

Abstract: Chintz fabrics characterized by exhibiting a glossy smooth appearance and having enhanced hand, drapability and durability are produced by applying to the fabric a finishing composition comprising a silicone polymer and a catalyst, drying the impregnated fabric to a suitable moisture content without curing the finishing agent, and calendering the fabric with a heated calender roll to form a smooth glossy surface on the fabric while curing the finishing composition.