TH9765B - Abrasion-resistant non-woven fabric composite structure - Google Patents

Abstract

Reveal the abrasion-resistant composite structure of non-woven fibers. Containing The matrix of the blown fibers when fused with the first outer surface, the second outer surface and the inner and at least one other substance is incorporated into the fiber matrix. Blowing when such melting By allowing the concentrations of fibers to be blown when melting at Next to the external surface Each layer of this non-woven structure is at least approximately 60% by weight and concentrated of blown fibers. When melted within approximately 40% less by weight, the structure This non-woven fiber has good stiffness. And low particle loss, as well as higher abrasion resistance than that of homogeneous mixtures of the section. At least about 25% of the same assembly, which may use the structure. The non-woven fibers of this invention are moisture wicking fabrics.

Claims (8)

1. a moisture absorbent cloth consisting of a composite structure of non-woven fibers. With a matrix of Meltbrown fibers with a first external surface The second outer surface and the interior, and at least one other substance, are incorporated into the matrix of the fibers when fused. The concentrations of the blown fibers when melted are adjacent to each external surface of the frame. This non-woven build is at least approximately 60% by weight and with the fiber concentration blown upon. Less melting within approximately 40% by weight, the moisture absorbent cloth contains liquid from approximately 100-700 by dry weight. 2. The moisture absorbent cloth of claim 1, where the moisture absorbent cloth contains liquid from approx. 200-450% dry weight 3. Moisture absorbent cloth of claim 1, while the moisture absorbent cloth is more durable to Peel off when wet, at least about 0.15 lb and tear strength in square shape. The trapezoid, when wet, is at least about 0.30 pounds in at least two directions. 4. The moisture absorbent cloth of claim 3, where the moisture absorbent cloth is tough to peel off. When wet in the range from approximately 0.15-0.20 pounds, and the tear strength in the trapezoid when Wet in the range from approximately 0.30-0.90 pounds in at least two directions. 5. The moisture absorbent fabric of claim 1, where the moisture absorbent fabric has a base weight, in the range from approximately 20-500 g / sq m. moisture Containing The composite structure of the non-woven fibers comprises approximately 35% of the total weight percentage of the matrix fibers with the first outer, second and internal surfaces and more than approximately 65% by weight. All of the fibers are made of membranes that are incorporated. In the matrix of the blowing fibers when melting By providing the concentration of the blown fibers when melting next to the surface Externally, each layer of the non-woven structure is at least approximately 60% w / w and the concentrations of the blown fibers when fused in the interior are approximately 40% less by weight. 700% by dry weight 7. Moisture absorbent cloth of claim 6 where the moisture absorbent cloth contains liquid from about 200-450% dry weight 8. Moisture absorbent cloth of claim 6 where moisture absorbent cloth It has a minimum wet peel strength of approximately 0.15 pounds and a quadruple tear strength. trapezoid When wet, at a minimum, it is about 0.30 pounds in at least two directions. 9. Moisture absorbent of claim 8, with this moisture absorbent cloth is tough to peel off. When wet ranges from approximately 0.15-0.20 pounds and the trapezoidal tear strength when wet ranges from approximately 0.30-0.90 pounds in at least bi-directional 1 0. Moisture absorbent fabric of claim 6, where This moisture absorbent fabric has a basic weight in the range from approximately 20-500 g / sq m. 1 1. Composed structure of wear resistant non-woven fibers. Containing The matrix of the blown fibers when fused with the first outer, second outer and inner faces, and at least one other fibrous substance incorporated into the matrix of the blown fibers when fused. The concentrations of the blown fibers when melting are adjacent to each external surface. Of this non-woven structure is at least approximately 60% by weight and with line concentration. Less than approximately 40% of the internal melt blown fiber by weight 1 2. The composite structure of the non-woven fibers of claim 11, where the structure Such estimates are resistant to abrasion. Higher than the abrasion resistance of homogeneous mixtures At least about 30% of the same constituent components 1 3. The composite structure of the non-woven fibers of claim 12, where the structure is Such components are resistant to abrasion. Higher than the abrasion resistance of homogeneous mixtures The composite structure of claim 11 is at least approximately from 50-150%. Blown on melting is a selected fiber matrix from a group consisting of polyolefin, polyamide, polyester, polyurethane. , Polyvinyl alcohol fibers, Polycarprolactone fibers 1 5. The composite structure of the non-woven fibers of claim 14 where such polyolefin fibers are derived from polyolefins selected from the group. Containing polyethylene, polypropylene, polybutylene, ethylene copolymer, polypropylene copolymer, copolymer Butylene polymers and their mixtures 1 6. Compositions of non-woven fibers of claim 11, where other substances can be selected from the fiber-containing group. Tere, polyamide, polyolefin, cellulosic-derivative, multicomponent, natural, permeable or a mixture of the two; or Greater than 1. 7. Compositions of non-woven fibers of claim 11, where the concentration of The fusible fibers adjacent to each external surface are approximately 70-90%, with the weight and concentration of the fibers when fused in the interior is approximately 35% less by weight 1 8. The non-composite material. Woven that consists of at least two layers of composite structure. Of the abrasion-resistant non-woven fiber of claim 11 1 9. composite structure of high-pulp and abrasion-resistant non-woven fiber consisting of About 35% less than the percentage by total weight of such structures. Matrix melt blown fiber with a first outer surface. Second, outer and inner surfaces and approximately 65% more compared to the percentage by total weight of such structures. The fibers are made of membranes that are incorporated into the matrix of the blown fibers when melted, with the concentration of the blown fibers when Fused adjacent to the outer surface, each layer of this non-woven structure, at least, is approximately 60% by weight, and the fusible fiber concentration when fused in this interior is approximately 40% less by weight 2.0. The composite structure of the non-woven fibers of claim 19, where the composite structure This had approximately 50 less particle loss with a size of 10 microns / 0.01 cubic feet of air and less than approximately 200 particles of 0.5 micron per 0.01 cubic foot of air when measured by the dry Climet Lint test. 2 1. The composite structure of the non-woven fibers of claim 19, whereby the composite structure This has higher abrasion resistance than the abrasion resistance of the homogeneous mixtures. At least approximately 30% 2. 2. The composite structure of the non-woven fibers of claim 21, whereby the composite structure This has higher abrasion resistance than the abrasion resistance in mixtures with that of The same component is at least approximately from 50-150% 2. 3. The composite structure of the non-woven fibers of claim 19, whereby the matrix of the fibers Blown when melted is the matrix of the fibers blown when melted, selected from a group of fibers. Olefin, Polyamide, Polyester, Polyurethane, Polyvinyl alcohol, Polycarprolactone And a mixture of these 2 4. The composite structure of the non-woven fibers of claim 23, selected polyolefins as follows. It can be said from a group containing polyethylene, polypropylene, polybutylene, ethylene copolymer, polypropylene copolymer. Am, butylene copolymer And a mixture of these 2 5. The composite structure of the non-woven fibers of claim 19, whereby the total quantity of The membranes in this structure range from approximately 65-95% of the total weight of this structure 2. 6. The composite structure of the non-woven fiber of claim 19, where the concentration of The fusible fibers adjacent to each external surface are approximately 70-90%, with the weight and concentration of the internal fused fibers approximately 20% less by weight 2. 7. A non-woven composite material that consists of at least two layers of the composite structure. Of non-woven fiber that is wear resistant And has a high, abrasion-resistant membrane of claim 19 2 8.Process for the manufacture of wear-resistant composite structures of non-woven fibers With Giving first and second currents of blown thermoplastic polymer fibers. When fused in intersecting relationships to make contact areas The insertion of a second-order stream during the primary And second stream Of the thermoplastic polymer fibers that are blown when melted And enter the affected area To conduct composite current and collect the composite current on the surface arranged to form a matrix of thermoplastic polymer fibers. Lastic that is blown when fused with a second-order substance in the fiber matrix when melted in such a way. Where there is no concentration of fibers blown upon such melting adjacent to each external surface of the structure. Such weaving is at least approximately 60% by weight and with the fiber concentration when blown. Such fused internally is approximately 40% less by weight.