Abstract: A polyamide molding composition is described, comprising at least one transparent polyesteramide in a proportion by weight of from 70 to 99.99% by weight; at least one further polymer in a proportion by weight of from 0 to 30% by weight; at least one photochromic dye in a proportion by weight of from 0.01 to 2% by weight; and also optionally further dyes and/or additives. The invention further encompasses articles manufactured therefrom, e.g. foils, for the coating of photochromic ophthalmic lenses, or the like.

Abstract: Polymeric fibers coated with an olefin block copolymer containing resin, the olefin block copolymer having a density of 0.815 kg/dm3 to 0.920 kg/dm3 and a melting point of 110° C. to 130° C. and laminates comprising polymeric tapes embedded in a resin of olefin block copolymer having a density of 0.815 kg/dm3 to 0.920 kg/dm3 and a melting point of 110° C. to 130° C.

Abstract: A composition includes a carbon nanotube (CNT)-infused aramid fiber material that includes an aramid fiber material of spoolable dimensions, a barrier coating conformally disposed about the aramid fiber material, and carbon nanotubes (CNTs) infused to the aramid fiber material. The infused CNTs are uniform in length and uniform in density. A continuous CNT infusion process includes:(a) disposing a barrier coating and a carbon nanotube (CNT)-forming catalyst on a surface of an aramid fiber material of spoolable dimensions; and (b) synthesizing carbon nanotubes on the aramid fiber material, thereby forming a carbon nanotube-infused aramid fiber material.

Abstract: A polyethylene terephthalate monofilament obtained by spinning a polyethylene terephthalate chip having an intrinsic viscosity of 0.8 to 1.3, which gives a stress-strain curve exhibiting an elongation of less than 2.5% at an initial stress of 2.0 g/d, with an initial modulus value of 80 to 160 g/d, an elongation of 7.5% or less in a stress range of from 2.0 g/d to 9.0 g/d, and an elongation of at least 2.0% or more in a stress range of from 10.0 g/d to the point of break, is provided.

Abstract: Polymeric fibers and methods of making the polymeric fibers are described. The polymeric fibers are crosslinked hydrogels or dried hydrogels that are prepared from a precursor composition that contains polymerizable material having an average number of ethylenically unsaturated groups per monomer molecule greater than 1.0. The polymeric fibers can contain an optional active agent.

Abstract: A polyamide substrate having deposited thereon a copolymer effective to impart resistance to staining by turmeric wherein said copolymer comprises polymer units derived from (a) at least one cyclic olefin having from 5 to 12 carbon atoms, and (b) maleic anhydride wherein the molar ratio of total cyclic olefin to maleic anhydride is between about 0.5 and 1.3, and a method for using the copolymer to impart stain resistance to a polyamide substrate.

Abstract: A thread or other element for bonding fibers in a fibrous reinforcement for use in a fiber composite is such that it is at least degraded in the course of the production of said fiber composite.

Abstract: Disclosed are wholly aromatic polyamide filament and a method of manufacturing the same, characterized by comprising multi-stage injection of a coagulant with sulfuric acid concentration lowered sequentially stage by stage, to a spun material fed into a coagulant injection tank. The present invention enables increase of a spinning and take-up velocity without occurrence of thread cutting by uniformly and evenly coagulating surface and inside of the spun material. In addition, the present invention recovers the coagulant or water already used and reuses the recovered coagulant or water in the earlier stages, so that it has advantages of saving production costs and reducing environmental contamination. Accordingly, the wholly aromatic polyamide filament produced according to the present invention has high crystallinity X, large apparent crystal size ACS and reduced defects in the crystal itself, thereby exhibiting more improved physical properties such as strength and modulus.

Abstract: A water dilutable binder resin for use in an inorganic fiber material; wherein the binder resin is prepared by reacting at least the following components in any order: (a) proteinaceous material which is substantially soluble in water at 20° C. and has a viscosity of <50 mPa*s for a 25 wt % aqueous solution, (b) an aromatic hydroxyl compound, and (c) an aldehyde, and wherein the water dilutable binder resin has a property of having a viscosity of <100 mPa*s when measured at a concentration of 50 wt % at 20° C. During curing, the resin thus produced gives lower phenol emissions. Also, the formaldehyde and ammonia emissions are dramatically lower when compared to conventional resins.

Abstract: [PROBLEMS] To provide a polyester monofilament which shows a high dimensional stability and excellent effects of preventing peel-off in filaments, preventing pirn barre and preventing halation and has a high fineness, a high strength and a high modulus. [MEANS FOR SOLVING PROBLEMS] A core-shell type composite polyester monofilament comprising polyethylene terephthalate at a ratio of 80% by mol or higher, which satisfies the following requirements A to F: A) the intrinsic viscosity of the core component being 0.70 or above and the intrinsic viscosity of the shell component being from 0.55 to 0.60; B) the core component amounting to 50 to 70%; C) at least the shell component containing from 0.2 to 0.4% by weight of metal microparticles; D) the fineness of the monofilament being from 5 to 15 dtex, its modulus at elongation of 5% being from 3 to 4.5 cN/dtex and its elongation at break being from 20 to 40%; E) the free shrinkage of the innermost part under specific conditions being 0.

Abstract: Sintered, carbon friction materials are made from fibrous materials that are impregnated with resins prior to sintering. Preferably, non-woven fibrous materials are impregnated with phenolic resin and sintered at 400 to 8000 C. The resulting material has an open porosity above 50 percent by volume.

Abstract: A hyperbranched polymer having pendent olefinic groups and comprising polymer units derived from one or more terminally-unsaturated, acyclic aliphatic diene and polymer units derived from maleic anhydride. Optionally, the hyperbranched polymer may further comprise polymer units derived from one or more 1-alkenes and/or a chain transfer agent. A process to prepare the hyperbranched polymer comprises contacting maleic anhydride with at least one terminally unsaturated acyclic aliphatic diene having at least 7 carbon atoms in the presence of an effective amount of a radical initiator in an aprotic solvent under dilute conditions.

Abstract: A method of manufacturing an isotropic pitch-based carbon fiber spun yarn fabric includes the following steps of: obtaining composite yarn by winding a water-soluble polymer fiber around a surface of isotropic pitch-based carbon fiber spun yarn; obtaining a composite yarn fabric by weaving the composite yarn; and obtaining the isotropic pitch-based carbon fiber spun yarn fabric by dissolving and removing the water-soluble polymer fiber from the composite yarn fabric.

Abstract: Para-type aromatic polyamide short fibers are attached with a phosphate ester alkali metal salt of an alcohol having a carbon number of 12 having a molar fraction of a monoester salt of from 45 to 70% by mol and a molar fraction of a diester salt of from 10 to 40% by mol in an amount of from 0.05 to 1.0% by weight based on the weight of the fibers, whereby such para-type aromatic polyamide short fibers excellent in spinning property are obtained that are excellent in bundling property and antistatic property, and are low in adhesion property causing less twining on rollers and less formation of scums.

Abstract: A method of making a liquid crystalline fiber is disclosed. A copolymer having a liquid crystalline side group and a crosslinking side group is crosslinked. A fiber of the crosslinking copolymer is drawn before the crosslinking reaction is complete.

Abstract: A novel process is provided for making spin-drawn yarn from poly(trimethylene terephthalate). The yarn, when packaged on a cheese-shaped spindle, can be produced in large sizes without crushing.

Abstract: An insulating varnish for forming an insulating covering on a conductor includes a polyimide resin including a repeat unit represented by a general formula (1): where X1 includes a tetravalent aromatic group including an aromatic ether structure represented by a formula (3): and Y1 includes a bivalent aromatic group including an aromatic ether structure, and a repeat unit represented by a general formula (2): where X2 includes a tetravalent alicyclic group and Y2 includes a bivalent alicyclic group including an alicyclic structure.

Abstract: Disclosed are wholly aromatic polyamide filament and a method of manufacturing the same, characterized in that, in the process of preparing the wholly aromatic polyamide polymer, the aromatic diamine, aromatic diacid chloride and polymerization solvent put into the reactor 20 are agitated by an agitation device which is installed in the reactor 20 and consists of: (i) a rotor 3 driven by a motor 2 and having a plurality of pins 3a; and (ii) a stator 4 having a plurality of pins 4a, wherein spin speed of the rotor 3 is controlled to 10 to 100 times of both of feeding rates for the aromatic diacid chloride and the aromatic diamine in the polymerization solvent into the reactor and, at the same time, contact frequency between the pins 3a and the pins 4a is regulated within a range of 100 to 1,000 Hz.

Abstract: A high temperature polyamide coating and a fastener coated with a composition that includes from about 60 wt. % to about 80 wt. % of an aliphatic polyamide having a repeating unit. The composition also includes from about 3 wt. % to about 9 wt. % of an epoxy based resin having a molecular weight in the range from about 525 to about 585, from about 4 wt. % to about 10 wt. % of a ceramic microsphere material and from about 2 wt. % to about 5 wt. % of a thermoplastic methacrylate binder, from about 4 wt. % to about 12 wt. % of crushed glass, from about 0.1 wt. % to about 1 wt. % of a polyamide with a secondary amino group as a curing agent, and the balance of an epoxy based curing agent.

Abstract: The present invention relates to yarns, fibres or filaments made of thermoplastics and to their manufacture. It relates more particularly to yarns, fibres or filaments exhibiting good fire resistance properties and to processes for the manufacture of these articles. These yarns or fibres made of polymer are obtained by spinning a polymer comprising an additive possessing flame-retardant properties composed of at least particles of a solid substrate on which a flame-retardant compound is adsorbed.

Abstract: A yarn, fabric, and garment suitable for use in arc and flame protection and having improved flash fire protection contains a majority, by weight, of meta-aramid fibers having a degree of crystallinity of at least 20%, and a minority of modacrylic fibers, para-aramid fibers, and antistatic fibers. Garments made from the yarns provide thermal protection such that a wearer would experience less than a 65 percent predicted body burn when exposed to a flash fire exposure of 4 seconds per ASTM F1930, while maintaining a Category 2 arc rating per ASTM F1959 and NFPA 70E.

Abstract: The present invention is drawn to a method of preparing a porous media substrate, comprising combining metal or semi-metal oxide particulates with a polymeric binder, wherein the metal or semi-metal oxide particulates are associated with at least one water soluble coating formulation additive. At least a portion of the water soluble coating formulation additive i) is in the form of unreacted additive, or ii) generates undesired electrolytes. Additional steps include removing at least a portion of the unreacted additive or undesired electrolytes, either before or after combining the metal or semi-metal oxide particulates with the polymeric binder, thereby forming a refined coating composition; and applying the refined coating composition to a media substrate to form an ink-receiving layer having a porous surface.

Abstract: The present invention is a fire retardant sewing thread, having a coating of a brominated acrylic copolymer and a non ionic surfactant or a bromine or phosphorus based flame retardant and an adhesive and a process for making the fire retardant thread.

Abstract: Disclosed herein are hydrophilic agents that are suitable for treating polyester and polyamide monofilaments. The treated monofilaments disclosed herein can be used in filaments and brush applicators comprising the monofilaments to apply aqueous solutions to surfaces, including applying pharmaceutical and cosmetic applications to the skin.

Abstract: A composite configured to release refrigerant therefrom comprises a substrate material comprising polarized fibers of glass, polyamide, phenylene sulfide, carbon or graphite having bonded thereon a metal compound comprising a complex compound of a polar gaseous refrigerant and a metal salt and/or a hydrated metal hydroxide and/or a metal hydroxide of a metal selected from the group consisting of alkali metal, alkaline earth metal, transition metal, zinc, cadmium, tin, aluminum, or two or more thereof, at a concentration of at least about 0.3 grams/cc of open substrate material volume, and a coating composition thereon configured to prevent release of internal gaseous refrigerant therethrough at ambient temperatures and pressure and capable of penetration of gaseous refrigerant therethrough from the composite interior at temperatures causing internal gas pressures of 15% or more above exterior pressure for such refrigerant release.

Abstract: There is provided polyester multifilaments for resin reinforcement which are satisfactorily homogeneously dispersed in a matrix resin to provide a filament-reinforced resin molded body excellent in mechanical characteristics and impact resistance. Polyester multifilaments for resin reinforcement to which a thermosetting resin is attached in an amount of 0.01 to 5.0% by weight based on the polyester multifilaments, and preferably the polyester multifilaments for resin reinforcement, wherein the length of multifilament bundle portions satisfying 1?Y/X?3 (wherein X represents the width of the multifilaments before immersion in water and Y represents the width of the multifilaments after immersion in water at 25° C. for 1 minute) is 50% or more of the length of the multifilaments before the immersion.

Abstract: A grip & roll in place string (G.R.i.P.-String) technique is described for the purpose of fastening or securing items that require additional physical support. The inventive device includes standard nylon string material with an integrated hook & loop section for increased gripping after the string has been tied. The string material is 100% multifilament nylon (FIG. 1, item 15). It is available in colors and resistant to chemicals and abrasion and is non-spliceable. The ‘Hook & Loop’ sections are integrated into the nylon string material. They consist of alternating minute hooks and loop pile that are integrated in a 45 degree angle (FIG. 2, item 30) to the string 0 degree line (FIG. 2, item 25) detail) from end-to-end of the ‘Hook & Loop’ section. The tie-through eye (FIG. 1, item 10) is a means to attach the G.R.i.P.-String fastener to the object that requires additional physical fastening support.

Abstract: Taggant fibers and methods of use provide for enhanced protection and security when the fibers are used in documents such as land titles, currency, passports and other documents of value. The taggant fibers consist of a minimum of two separate zones with each zone containing a different taggant to emit different wave lengths when excited. The taggants may consist of organic or inorganic compounds as are conventionally known and can be manufactured using for example polymeric materials which can be extruded during the fiber manufacturing process. A first zone may comprise a fiber sheath which includes a taggant and a second or inner zone or core which may be formed into a company logo having letters with different or the same taggants. Authentication of the fibers or documents containing such fibers can be readily viewed using conventional techniques.

Abstract: The present invention provides a polyvinyl alcohol film having a correlation length of 200 nm or less, the correlation length being derived from the result of light scattering measurement using a He—Ne laser having a wavelength of 633 nm as a light source.

Abstract: An antimicrobial fiber is described including: an inner layer and an outer layer; wherein the inner layer and the outer layer comprise at least one of the following characteristics: (I) the inner layer and the outer layer comprise of different concentrations, or different release rates, of at least one antimicrobial agent; and (II) the inner layer and the outer layer comprise different antimicrobial agents. An alternative antimicrobial fiber includes an antimicrobial agent compounded or combined with a dissolvable substance to promote release or binding of the antimicrobial agent. Related articles are also described.

Abstract: The present invention generally relates to peptide-coated fibers, processes of fabricating said fibers, and articles incorporating said fibers.

Abstract: A yarn, fabric, and garment suitable for use in arc and flame protection and having improved flash fire protection contains a majority, by weight, of meta-aramid fibers having a degree of crystallinity of at least 20%, and a minority of modacrylic fibers, para-aramid fibers, and antistatic fibers. Garments made from the yarns provide thermal protection such that a wearer would experience less than a 65 percent predicted body burn when exposed to a flash fire exposure of 4 seconds per ASTM F1930, while maintaining a Category 2 arc rating per ASTM F1959 and NFPA 70E.

Abstract: A polyester combined-filament yarn having an excellent stretch property and a bathochromic effect, as well as uniformity of apparent dyed color density, comprises two different multifilament components (A) and (B), wherein the multifilament component (A) comprises polyester filaments composed of polyethylene terephthalate (PET) polymer, a metal-containing phosphorus compound (a) and an alkaline earth metal compound (b), and a conjugate multifilament component (B) comprises side-by-side or eccentric core-sheath conjugate polyester filaments composed of two mutually different polyester resins (at least one of which is polytrimethylene terephthalate resin), the mass ratio (A)/(B) of components (A) and (B) is in the range of 80/20 to 50/50. Woven or knitted fabrics comprising the combined-filament yarn are useful for women's and men's fashion apparel and black formals.

Abstract: Compositions including a fluorocompound and optional adjuncts afford fire and flame safety by resisting, mitigating or preventing sorption of inflammable liquids such as fuels. Methods of use are presented, and generally include application of a composition to a substrate. Treated substrates are presented, and include fibers, fabrics, and articles such as garments.

Abstract: The present invention provides a conjugate fiber having excellent elastic extensibility and transparency. The present invention relates to a highly elastic conjugate fiber comprising an elastomeric resin (A) having elastic extensibility; and an elastomeric resin (B) having elastic extensibility, permanent elongation of 25 to 70% and a tensile elongation of 100 to 800%; a core comprising the elastomeric resin (A), and a sheath comprising the elastomeric resin (B).

Abstract: A method of surface functionalization of an organic fiber, characterized in that a surface portion of the fibers is chemically modified using a uniform surface treatment at atmospheric pressure, in a controlled gas environment, and in that said surface portion is brought into contact with a solution comprising at least one sizing agent making it possible to improve the functionalities of said fiber.

Abstract: Aramid fibrils having in the wet phase a Canadian Standard Freeness (CSF) value less than 100 ml, after drying a specific surface area (SSA) less than 7 m2/g, and a weight weighted length for particles having a length >250 ?m (WL 0.25) less than 1.2 mm, are described. A method of preparing the fibrils includes the steps (a) polymerizing an aromatic diamine and an aromatic dicarboxylic acid halide to an aramid polymer, in a mixture of N-methylpyrrolidone or dimethylacetamide and calcium chloride or lithium chloride to obtain a dope wherein the polymer is dissolved in the mixture and the polymer concentration is 2 to 6 wt. %, (b) converting the dope to fibrils by using a jet spin nozzle under a gas stream, and (c) coagulating the fibrils using a coagulation jet.

Abstract: Disclosed is a 3-D crimp polyethylene terephthalate multifilament (BCF) having a stress-strain curve that (a) it elongates less than 5.0% when subjected to an initial stress of 1.0 g/d, (b) it has an initial modulus of 20 to 60 g/d, (c) it elongates at least 20% when subjected to a stress region of 1.0 to 2.5 g/d and (d) it elongates from a tensile strength of at least 3.0 g/d to the tensile strength at break. The BCF has improved physical properties such as excellent flame retardancy, high toughness, improved crimp uniformity and improved compressive elasticity modulus.

Abstract: A fibrous structure made from a fiber and about 1 to about 15 wt % of a high viscosity polymer that has a glass transition temperature of about minus 40 to about 0° C. and useful for making bullet resistant articles.

Abstract: A composition comprising a polymer prepared by: reacting (a) at least one diisocyanate, polyisocyanate, or mixture thereof, having isocyanate groups, and (b) at least one fluorinated compound selected from the formula (I): Rf1-L-X ??(I) wherein Rf1 is a monovalent, partially or fully fluorinated, linear or branched, alkyl radical having 2 to 100 carbon atoms; optionally interrupted by 1 to 50 oxygen atoms; wherein the ratio of carbon atoms to oxygen atoms is at least 2:1 and no oxygen atoms are bonded to each other; L is a bond or a linear or branched divalent linking group having 1 15 to 20 carbon atoms, said linking group optionally interrupted by 1 to 4 hetero-radicals selected from the group consisting or —O—, —NR—, —S—, —SO—, —SO2—, —N(R)C(O)— wherein R is H or C1-C6 alkyl, and said linking group optionally substituted with CH2Cl; X is an isocyanate-reactive group selected from the group consisting of —OH, —N(R)H, and —SH wherein R is H or C1-C6 alkyl; and thereafter reacting with (c) water and (d) an

Abstract: Described is a method for dissolving PPTA or copolymers thereof in sulfuric acid using a twin screw extruder having transporting, mixing, and kneading elements with an entering zone, an intermediate zone, a mixing zone, a negative transport zone, a degassing zone, and a pressure build-up zone.

Abstract: The invention relates to a gas bag for use in a vehicle occupant restraint system, having at least one wall or a wall part made of a fabric which is formed from fibres, and which is characterized in that the fibres comprise a polymer matrix with exfoliated layered silicate particles dispersed therein, the exfoliated layered silicate particles having a thickness of 0.5 to 2 nm and a surface diameter of up to 10 ?m.

Abstract: A method of preparing fibre treatment resin is disclosed herein. In a preferred embodiment, at step 100, the method comprises dispersing ethyl acetic acid copolymers in water to form a mixture at predetermined temperature and at step 102, ammonia is introduced as a flocculent into the mixture to form a suspension; and at step 104, the suspension is cooled to form the fibre treatment resin. Fibres treated with the fibre treatment resin exhibits improved tenacity and enable the fibres to be stretched and absorb the energy of incidental pressure such as those from a projectile.

Abstract: The object of the present invention is to provide fiber for artificial hair which is deformable by hands at will and has the shape-retaining property. The present invention relates to fiber for artificial hair containing a plastically deformable filament (A) containing a thermoplastic resin having the restoration angle of not more than 30 degrees, after 10 minutes from bending it at 90 degrees. Further, it relates to fiber for artificial hair, which has the shape retention of not less than 30% when it is wound ten times on a cylindrical collar having a diameter of 10 mm and allowed to stand for 10 minutes, and the cylindrical collar was removed and allowed to stand for 5 minutes. The invention also relates to fiber for artificial hair, which is utilized for periwigs, wigs, doll hair, hair accessories, eyelashes, beards or the like by further coloring them.

Abstract: The present invention teaches a filament yarn that has low wicking, i.e., less than or equal to about 6 mm; has a contact angle of greater than or equal to about 65° but less than about 90° according to the straw method; and a static voltage of +/?400 volts (between ?400 to +400 volts). Such yarns are traditionally employed in weaving signs, banners, awning, tents and other products where moisture resistant yarn is important. The yarns can be made into fabrics that possess the same features as the yarn, namely low wicking, and water and oil repellency.

Abstract: A rubber composition with 10-50 parts by mass of polyamide short fiber per 100 parts by mass of a rubber and 10-100 parts by mass of a solid lubricant per 100 parts by mass of the rubber.

Abstract: Described are fiber materials having improved malodor scavenger properties and a process for the manufacture of said materials. In particular, described are fiber materials usable in the manufacture of disposable or washable diapers, incontinent products, sanitary napkins and other such hygiene and personal care articles with improved malodor scavenger properties, and to methods of manufacturing such materials. It has been found that the incorporation of, especially nanosized, metal particles and/or a cyclodextrin material into fibers creates a “reactive” material having excellent malodor scavenging properties. More specifically, it has been found that the presence of nanosized metal or metal alloy particles and/or a cyclodextrin material in a fiber material, preferably a synthetic polymer material and more preferably a synthetic thermoplastic polymer fiber material leads to fiber materials or nonwovens having odor-controlling properties.

Abstract: Compressed preform products formed from continuous fibers substantially evenly coated with a thermoplastic sizing composition are provided. Preferably, the continuous fibers are glass fibers. Applying a thermoplastic sizing composition to continuous fibers during the formation of the fibers enables a preform to be formed without applying any additional sizing or binder compositions at later stages of the manufacturing of the preform. The thermoplastic sizing composition includes a thermoplastic material, and, optionally a silane coupling agent. The thermoplastic material in the thermoplastic sizing composition includes chemicals and/or compounds that are thermoplastic or possess thermoplastic properties. One or more preforms may be randomly inserted to a muffler cavity. Upon the application of heat, the preforms decompress and fill the cavity with fibrous material.

Abstract: The invention relates to a retraction thread, especially a dental retraction thread for use in dentistry, that is distinguished by the fact that it has yarns produced by an air vortex process.

Abstract: A thermoplastic welding wire for bonding and/or welding flexible planar formations such as floor or wall coverings, in particular linoleum floor or wall coverings, is provided, which comprises at least one polymer based on an ethylene-vinyl acetate copolymer and at least one wax. The welding wire may possibly have shellac or a sheath based on at least one hot-melt adhesive. The welding wire has a high melt-flow index and has a very low soiling tendency.