Abstract: This invention relates to an article of thermal protective clothing having fabric woven with a warp-faced or weft-faced twill weave that incorporates a first yarn forming the majority of the outer article surface that includes hydrophilic fiber and a first flame resistant fiber, with at least 25 weight percent of that first yarn being hydrophilic fiber; and a second yarn forming the majority of the inner article surface that includes at least 80 weight percent of a second flame resistant fiber that is hydrophobic. Alternatively, the first yarn forming the majority of the outer article surface can include a hydrophilic first flame resistant fiber.

Abstract: This invention relates to a yarn having high moisture regain for use in arc and flame protection and fabrics and garments containing the yarn. The yarn has a blend of fibers which includes 10 to 40 weight percent meta-aramid fiber having a degree of crystallinity of at least 20%, 20 to 60 weight percent modacrylic fiber, 15 to 45 weight percent FR rayon fiber, and (d) 5 to 20 weight percent para-aramid fiber; based on the total weight of these components. If desired, 1 to 3 weight percent of the para-aramid fiber in the yarn can be replaced with an antistatic fiber as long as at least 5 weight percent para-aramid fiber is present.

Abstract: A yarn, fabric, and garment suitable for use in arc and flame protection and having improved flash fire protection consisting essentially of from (a) 50 to 80 weight percent meta-aramid fiber having a degree of crystallinity of at least 20%, (b) 10 to 30 weight percent flame-retardant rayon fiber, (c) 10 to 20 weight percent modacrylic fiber, (d) 0 to 5 weight percent para-aramid fiber, and (e) 0 to 3 weight percent antistatic fiber based on the total weight of components (a), (b), (c), (d), and (e). In one embodiment, garments made from the yarn 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.

Abstract: This invention relates to a protective garment and processes for making such a garment, the garment having use in a electrical arc potential environment, the garment having an arc resistant multilayer fabric laminate comprising a first layer of a woven flame-resistant fabric forming an outer surface of the garment and comprising a first fire-resistant fiber made from a synthetic polymer comprising a halogen, and a second layer of a woven flame-resistant fabric comprising a second fire-resistant fiber made from a synthetic polymer, wherein the first fire-resistant fiber has a thermal decomposition temperature that is at least 70 degrees C. less than the second fire-resistant fiber; and wherein the fabrics in the first and second layers are different and the first layer is positioned in the garment to be closer the electrical arc potential environment than the second layer.

Abstract: This invention relates to a flame-resistant spun staple yarns and fabrics and garments comprising these yarns and methods of making the same. The yarns have 20 to 50 parts by weight of a polymeric staple fiber containing a structure derived from a monomer selected from the group consisting of 4,4?diaminodiphenyl sulfone, 3,3?diaminodiphenyl sulfone, and mixtures thereof; and 50 to 80 parts by weight of a rigid-rod staple fiber, based on 100 parts by weight of the polymeric fiber and the rigid-rod fiber in the yarn.

Abstract: A yarn, fabric, and garment suitable for use in arc and flame protection and having improved flash fire protection consisting essentially of from (a) 50 to 80 weight percent meta-aramid fiber having a degree of crystallinity of at least 20%, (b) 10 to 30 weight percent flame-retardant rayon fiber, (c) 10 to 20 weight percent modacrylic fiber, (d) 0 to 5 weight percent para-aramid fiber, and (e) 0 to 3 weight percent antistatic fiber based on the total weight of components (a), (b), (c), (d), and (e). In one embodiment, garments made from the yarn 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.

Abstract: A yarn, fabric, and garment suitable for use in arc and flame protection and having improved flash fire protection, consisting essentially of (a) 50 to 60 weight percent meta-aramid fiber having a degree of crystallinity of at least 20%; (b) 31 to 39 weight percent modacrylic fiber; and (c) 5 to 15 weight percent para-aramid fiber; said percentages on the basis of components (a), (b), and (c). In some embodiments, 1 to 3 weight percent of the meta-aramid fiber is replaced with an antistatic fiber comprising carbon or metal with the proviso that at least 50 weight percent meta-aramid fiber is maintained. 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 yarn, fabric, and garment suitable for use in arc and flame protection comprising aramid fiber and modacrylic fiber wherein the modacrylic fiber has less than 1.5 percent antimony and is preferably antimony-free. In one embodiment, the yarn, fabric, and/or garments consist essentially of (a) 50 to 80 weight percent meta-aramid fiber having a degree of crystallinity of at least 20%, (b) 10 to 40 weight percent modacrylic fiber that is antimony-free, (c) 5 to 20 weight percent para-aramid fiber, and (d) 1 to 3 weight percent antistatic fiber, based on the total weight of components (a), (b), (c) and (d). In some embodiments, 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 yarn, fabric, and garment suitable for use in arc and flame protection and having improved flash fire protection consisting essentially of from (a) 50 to 80 weight percent meta-aramid fiber having a degree of crystallinity of at least 20%, (b) 10 to 30 weight percent flame-retardant rayon fiber, (c) 10 to 20 weight percent modacrylic fiber, (d) 0 to 5 weight percent para-aramid fiber, and (e) 0 to 3 weight percent antistatic fiber based on the total weight of components (a), (b), (c), (d), and (e). In one embodiment, garments made from the yarn 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.

Abstract: A cut-resistant knit glove comprising cut-resistant composite yarn, companion yarn and lining yarn. The cut-resistant composite yarn having a core comprising at least two core yarns and at least one first wrapping yarn helically wrapped around the core. The companion yarn comprising para-aramid. The lining yarn comprises either (i) composite yarn having an elastomeric yarn core and at least one second wrapping yarn helically wrapped around the yarn core or (ii) yarn comprising aliphatic polyamide fiber, polyester fiber, natural fiber, cellulosic fiber, and mixtures thereof. The cut-resistant composite yarn, the companion yarn, and the lining yarn are co-knit in the glove with the lining yarn plated on the interior of the glove and the cut-resistant composite yarn and companion yarn forming the exterior of the glove.

Abstract: This invention relates to a cut-resistant knit glove comprising a) cut-resistant composite yarn having a core comprising at least two core yarns and at least one first wrapping yarn helically wrapped around the core, the core yarns including at least one 50 to 400 denier (56 to 440 dtex)glass fiber filament yarn and at least one 200 to 800 denier (220 to 890 dtex) para-aramid yarn, the first wrapping yarn including at least one 100 to 800 denier (110 to 890 dtex) yarn selected from the group consisting of aliphatic polyamide, polyester, and mixtures thereof; b) companion yarn of 200 to 1600 denier (220 to 1800 dtex) selected from the group consisting of aliphatic polyamide, polyester, natural fiber, cellulosic fiber, and mixtures thereof; and c) lining yarn comprising a composite yarn of from 500 to 1200 denier (560 to 1300 dtex) comprising aliphatic polyamide fiber, polyester fiber, natural fiber, cellulosic fiber, and mixtures thereof; and wherein the cut-resistant composite yarn, the companion yarn, and

Abstract: This invention relates to a cut-resistant knit glove comprising: a) cut-resistant composite yarn having a core yarn and at least one first wrapping yarn helically wrapped around the core yarn, the core yarn including at least one 50 to 200 denier (56 to 220 dtex) glass fiber filament yarn and the first wrapping yarn being one 100 to 600 denier (110 to 680 dtex) para-aramid yarn; b) companion yarn selected from the group consisting of aliphatic polyamide, polyester, and mixtures thereof; and c) lining yarn comprising a composite yarn of from 100 to 500 denier (110 to 560 dtex), the composite yarn having an elastomeric yarn core comprising at least one elastomeric yarn and at least one second wrapping yarn helically wrapped around the yarn core, the second wrapping yarn including at least one 20 to 300 denier (22 to 340 dtex) yarn selected from the group consisting of aliphatic polyamide, polyester, natural fibers, cellulosic fibers, and mixtures thereof; wherein the cut-resistant composite yarn, the compan

Abstract: This invention relates to a cut-resistant knit glove comprising a) cut-resistant composite yarn having a core yarn and at least one first wrapping yarn helically wrapped around the core yarn, the core yarn including at least one 50 to 400 denier (56 to 440 dtex) glass fiber filament yarn and the first wrapping yarn being one 100 to 600 denier (110 to 680 dtex) para-aramid yarn; b) companion yarn of 200 to 1600 denier (220 to 1800 dtex) selected from the group consisting of aliphatic polyamide, polyester, natural fiber, cellulosic fiber, and mixtures thereof; and c) lining yarn comprising a composite yarn of from 250 to 1200 denier (280 to 1300 dtex) comprising aliphatic polyamide fiber, polyester fiber, natural fiber, cellulosic fiber, and mixtures thereof; and wherein the cut-resistant composite yarn, the companion yarn, and the lining yarn are co-knit in the glove with the lining yarn plated on the interior of the glove and the cut-resistant composite yarn and companion yarn forming the exterior of the g

Abstract: A yarn, fabric, and garment suitable for use in arc and flame protection and having improved flash fire protection, consisting essentially of (a) 50 to 60 weight percent meta-aramid fiber having a degree of crystallinity of at least 20%; (b) 31 to 39 weight percent modacrylic fiber; and (c) 5 to 15 weight percent para-aramid fiber; said percentages on the basis of components (a), (b), and (c). In some embodiments, 1 to 3 weight percent of the meta-aramid fiber is replaced with an antistatic fiber comprising carbon or metal with the proviso that at least 50 weight percent meta-aramid fiber is maintained. 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 yarn, fabric, and garment suitable for use in arc and flame protection comprising aramid fiber and modacrylic fiber wherein the modacrylic fiber has less than 1.5 percent antimony and is preferably antimony-free. In one embodiment, the yarn, fabric, and/or garments consist essentially of (a) 50 to 80 weight percent meta-aramid fiber having a degree of crystallinity of at least 20%, (b) 10 to 40 weight percent modacrylic fiber that is antimony-free, (c) 5 to 20 weight percent para-aramid fiber, and (d) 1 to 3 weight percent antistatic fiber, based on the total weight of components (a), (b), (c) and (d). In some embodiments, 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 invention concerns a fabric useful in apparel and garments comprising an intimate blend of staple fibers, the blend of fibers comprising 55 to 95 parts by weight of a polypyridobisimidazole fiber having an inherent viscosity of greater than 20 dl/g and a tensile modulus of greater than 120 GPa (820 gpd); and 5 to 45 parts by weight of a flexible fiber having a tensile modulus of less than 10 GPa (70 gpd).

Abstract: This invention concerns a flame-resistant garment having an outer shell fabric comprising 5 to 50 parts by weight of a polypyridobisimidazole fiber having an inherent viscosity of greater than 20 dl/g and 50 to 95 parts by weight of polybenzimidazole fiber.

Abstract: The invention concerns flame retardant fabrics made from mixtures of polypyridobisimidazole fibers with cellulose fibers that have been treated to make them flame retardant and articles made therefrom.

Abstract: A cut-resistant knit glove comprising cut-resistant composite yarn, companion yarn and lining yarn. The cut-resistant composite yarn having a core comprising at least two core yarns and at least one first wrapping yarn helically wrapped around the core. The companion yarn comprising para-aramid. The lining yarn comprises either (i) composite yarn having an elastomeric yarn core and at least one second wrapping yarn helically wrapped around the yarn core or (ii) yarn comprising aliphatic polyamide fiber, polyester fiber, natural fiber, cellulosic fiber, and mixtures thereof. The cut-resistant composite yarn, the companion yarn, and the lining yarn are co-knit in the glove with the lining yarn plated on the interior of the glove and the cut-resistant composite yarn and companion yarn forming the exterior of the glove.

Abstract: This invention relates to a cut-resistant knit glove comprising a) cut-resistant composite yarn having a core yarn and at least one first wrapping yarn helically wrapped around the core yarn, the core yarn including at least one 50 to 400 denier (56 to 440 dtex) glass fiber filament yarn and the first wrapping yarn being one 100 to 600 denier (110 to 680 dtex) para-aramid yarn; b) companion yarn of 200 to 1600 denier (220 to 1800 dtex) selected from the group consisting of aliphatic polyamide, polyester, natural fiber, cellulosic fiber, and mixtures thereof; and c) lining yarn comprising a composite yarn of from 250 to 1200 denier (280 to 1300 dtex) comprising aliphatic polyamide fiber, polyester fiber, natural fiber, cellulosic fiber, and mixtures thereof; and wherein the cut-resistant composite yarn, the companion yarn, and the lining yarn are co-knit in the glove with the lining yarn plated on the interior of the glove and the cut-resistant composite yarn and companion yarn forming the exterior of the g