fibers (Total 38710 Patents Found)

In the production of carbon shaped articles such as fibers having high molecular orientation, anisotropy, strength, and modulus of elasticity through the steps of forming raw material pitch into fibers, infusibilization of the same followed by carbonization optionally graphitization, a raw material pitch having particu...
A device for drawing a plurality of cladded light conducting fibers utilizing a double crucible having an inner crucible and an outer crucible with each of the crucibles having a bottom and receiving a melt of the respective material, and having nozzle pairs with the nozzle of the inner crucible being aligned axially w...
A method of making electret fibers, which method comprises the steps of: blending a polymeric material with a fluorochemical additive compound; extruding the blend at a temperature maintained below 290° C. to form extruded fibers; and annealing and charging the extruded fibers; wherein the poly...
This invention concerns fibers of amorphous polyesters of terephthalic acid or an ester forming derivative thereof and from about 60 mole percent to 100 mole percent 1,2-propylene glycol and from 0 to about 40 mole percent ethylene glycol. These fibers are useful for the production of bonded coherent cigarette filters,...
Novel breathable environmentally stable, water weakenable films, fibers, and articles, useful for disposable applications and methods for making them are disclosed. The films, fibers and articles are manufactured from novel polymer blends and demonstrate improved stability and enhanced strength when exposed to environm...
Process for dyeing keratinous fibres, especially human keratinous fibres such as the hair, characterised in that a composition containing, in a medium suitable for dyeing, at least 2,4-diamino-1,3-dimethoxybenzene as a coupler; an oxidation dye precursor; and an oxidising agent; is applied to these fibres, ...
A glass fiber sizing composition for the reinforcement of resin matrices which comprises one or more adhesive agents, non-ionic lubricants, organo-silanes, and cationic lubricants as well as a coadhesive such as gelatin, another silane or some sort of glass-resin binding agent and demineralized water as a complement. T...
Insulating element from mineral fibers for shipbuilding with an insulating element in form of a plate or roll felt for shipbuilding the composition of the mineral fibers of the insulating element points an alkali/alkaline-earth mass ratio of the fiber structure of the insulating element is determined by an average geom...
The present disclosure relates to a dye composition comprising at least one dye, at least one fatty alcohol, at least one fatty acid ester, at least one surfactant chosen from non-ionic surfactants and anionic surfactants and at least one non-ionic associative polymer, wherein water is present in the dye composition in...
A nonaqueous electrolyte secondary battery is provided with a positive electrode including a positive-electrode active material, a negative electrode including a negative-electrode active material, and a nonaqueous electrolyte solution. The negative electrode further includes carbon fibers and carbon flakes. The synerg...
Disclosed is a method of recovering reinforcement fibers from a fiber-reinforced part that includes the reinforcement fibers and is impregnated with resin. The method includes unwinding the reinforcement fibers from the fiber-reinforced part, dissolving the resin impregnated in the fiber-reinforced part, coating the re...
A bed board for a diagnostic bed of a medical examination apparatus is formed in a material that includes basalt fibers. The bed board may have a bed board body composed of basalt fibers and a filler in a predetermined ratio, or may be formed by a hollow shell, composed of basalt fibers and a binder in a predetermined ...
This invention relates to polypropylene fibers and fabrics containing polypropylene fibers, the fibers comprising propylene polymers comprising at least 50 mol % propylene, said polymers having: a) a melt flow rate (MFR, ASTM 1238, 230° C., 2.16 kg) of about 10 dg/min to about 25 dg/min; b) a dimensionless Stress Rati...
An apparatus and methods for sorting and determining the length distribution of fibers in a sample are disclosed. One method of sorting and determining the length distribution of fibers includes immersing the fibers in a liquid to form a mixture; placing the mixture into a stack of sieves; progressively applying a pred...
The invention relates to a method for stripping fibers of a fiber bundle, wherein each fiber comprises a core and a cladding, wherein the fibers are disposed next to each other on an underlayment such that they extend along a first direction, a cutter extending transverse to the first direction cuts into the claddings ...
A sizing agent for a reinforcement fiber is used for reinforcing thermoplastic matrix resins and spreads on the reinforcement fiber surface and imparts both excellent splittability and bonding performance to thermoplastic matrix resins. The sizing agent includes essentially an ester compound (A) having a vinyl ester gr...
A method of braiding reinforcing fibers on a mandrel (8) with a machine having a ring (9) carrying at least two series of reels of fibers, by moving the mandrel at a predetermined forward speed while moving the two series of reels along the ring (9) so that they cross while rotating in opposite directions and at a pred...
The invention relates to a device for splicing fiber optic lines having a first and second holder for direct or indirect receiving of at least one fiber optic line each, an alignment means for aligning the ends of the fiber optic lines received in the first and in the second holder to one another and electrodes in the ...
A method of separating fibers from a fibrous sliver and conveying them in this condition to a twist forming element of an open-end spinning unit. The fibers traverse a fiber separating zone which is formed by the annular space between a combing-out cylinder and the bore of a housing. Ambient air is sucked into this fib...
An applicator (100) for transferring color-altering material from a substrate to hair or fibers, and methods for making and using the same. The applicator (100) includes a first portion (102) and a contiguous second portion (106). A color-altering dye material (104), which is soluble in water and water-activated, is ad...
The present invention is drawn to new processes for sequential oxidative and reductive bleaching of pigmented and unpigmented fibers (e.g. natural, synthetic, or blends thereof) e.g. in a single bath, which provide superior bleaching with less physical damage. Said processes including processes comprised of: (1) adsorp...