Patent classifications
D04H1/544
NONWOVEN FABRIC FOR LEAD ACID BATTERIES USING GLASS FIBER AND HEAT-FUSIBLE BINDER FIBER
[Problem] To provide a nonwoven fabric (pasting mat) that does not undergo bonding between the nonwoven fabrics (pasting mats) even under severe conditions (a pressure in winding and a high temperature and a high humidity in transportation, storage, and production).
[Means for Resolution] A pasting mat for lead acid batteries, containing a microglass fiber and a heat-fusible binder fiber, wherein the pasting mat has a thickness under a pressure of 20 kPa of 0.02 mm or more and less than 0.1 mm, and has a bonding strength between the pasting mats after being left for 48 hours under a pressure of 5 to 10 kPa in an environment of a temperature of 70 to 90? C. and a humidity of 75% of less than 0.05 N.
DURABLE PILLING RESISTANT NONWOVEN INSULATION
Provided is batting that includes a bonded nonwoven web made from a fiber mixture containing: (a) 20 to 55 wt % of siliconized fibers having a denier of 1.5 to 10.0 and a length of 51 mm to 84 mm; (b) 10 to 45 wt % of hollow conjugate fibers having a spiral crimp, and having a denier of 1.5 to 10.0 and a length of 51 to 84 mm; (c) 10 to 45 wt % of a first population of binder fibers which are elastomeric co-polyester binder fibers having a denier of 1.5 to 8.0, a length of 51 mm to 84 mm, and a bonding temperature of 110? C. to 180? C.; and (d) 1 to 20 wt % of a second population of binder fibers, which have a denier of 1.5 to 6.0, a length of 51 mm to 84 mm, and a bonding temperature of 80? C. to 135? C.
HIGH BARRIER NONWOVEN FABRIC
The invention relates to a method for making a nonwoven fabric comprising forming polymer fibers from a melt of the polymer material and using these fibers to obtain a nonwoven fabric during a subsequent nonwoven fabric formation procedure, wherein the melt of the polymer material comprises a melt additive, wherein the method comprises thermal bonding at a temperature higher than 40 C. below the melting point of the polymer material and, additionally, one or both of the following steps: a. improving the mobility of the additive by heat-treating the nonwoven fabric at 100 C. or more for 0.1 seconds or more after the nonwoven fabric formation procedure and/or including a filler having a higher thermal conductivity than the polymer material to the polymer material; b. influencing the polymer crystallinity by including a nucleating agent, branched polymers and/or random co-polymers to the polymer material.
HIGH BARRIER NONWOVEN FABRIC
The invention relates to a method for making a nonwoven fabric comprising forming polymer fibers from a melt of the polymer material and using these fibers to obtain a nonwoven fabric during a subsequent nonwoven fabric formation procedure, wherein the melt of the polymer material comprises a melt additive, wherein the method comprises thermal bonding at a temperature higher than 40 C. below the melting point of the polymer material and, additionally, one or both of the following steps: a. improving the mobility of the additive by heat-treating the nonwoven fabric at 100 C. or more for 0.1 seconds or more after the nonwoven fabric formation procedure and/or including a filler having a higher thermal conductivity than the polymer material to the polymer material; b. influencing the polymer crystallinity by including a nucleating agent, branched polymers and/or random co-polymers to the polymer material.
NONWOVEN FABRIC
Provided is a nonwoven fabric which is formed from a resin composition and has improved antifouling properties, sound insulation properties, coefficient of friction, and texture. This nonwoven fabric is formed from a resin composition which contains (1) a thermoplastic resin and (2) a fluorine-containing copolymer, and wherein: the thermoplastic resin (1) is a polypropylene; and the fluorine-containing copolymer (2) is a copolymer which has (a) a repeating unit that is formed of a fluorine-containing monomer represented by formula CH.sub.2C(X)C(O)YZRf and (b) a repeating unit that is formed of a non-fluorine monomer having a hydrocarbon group with 14 or more carbon atoms, and which has a weight average molecular weight of 2,500-20,000.
EXTENSIBLE NONWOVEN FABRIC
Extensible nonwoven fabrics having improved elongation, extensibility, abrasion resistance and toughness. In particular, embodiments of the invention are directed to extensible spunbond fabrics comprising a polymeric blend of a metallocene catalyzed polypropylene, polyethylene, and a third polymer component.
EXTENSIBLE NONWOVEN FABRIC
Extensible nonwoven fabrics having improved elongation, extensibility, abrasion resistance and toughness. In particular, embodiments of the invention are directed to extensible spunbond fabrics comprising a polymeric blend of a metallocene catalyzed polypropylene, polyethylene, and a third polymer component.
Extensible nonwoven fabric
Extensible nonwoven fabrics having improved elongation, extensibility, abrasion resistance and toughness. In particular, embodiments of the invention are directed to extensible spunbond fabrics comprising a polymeric blend of a metallocene catalyzed polypropylene, polyethylene, and a third polymer component.
Extensible nonwoven fabric
Extensible nonwoven fabrics having improved elongation, extensibility, abrasion resistance and toughness. In particular, embodiments of the invention are directed to extensible spunbond fabrics comprising a polymeric blend of a metallocene catalyzed polypropylene, polyethylene, and a third polymer component.
EXTENSIBLE NONWOVEN FABRIC
Extensible nonwoven fabrics having improved elongation, extensibility, abrasion resistance and toughness. In particular, embodiments of the invention are directed to extensible spunbond fabrics comprising a polymeric blend of a metallocene catalyzed polypropylene, polyethylene, and a third polymer component.