Patent classifications
D06N2209/1635
HIGH DENSITY ARTIFICIAL LEATHER HAVING EXCELLENT SURFACE TOUCH AND METHOD OF MANUFACTURING THE SAME
A method for manufacturing a high density artificial leather, may include (a) manufacturing a long fiber-type non-woven fabric having an areal weight of 400 to 500 g/m.sup.2 and an apparent density of 0.3 to 0.6 g/cm.sup.3 by self-twist spinning a sea component polymer fiber and an island component polymer fiber; (b) shrinking the long fiber-type non-woven fabric with hot water; (c) eluting the sea component polymer fiber from the shrunken non-woven fabric by immersing the shrunken non-woven fabric in an aqueous alkaline solution; and (d) impregnating a polymer elastomer in a non-woven fabric from which the sea component polymer fiber is eluted, to manufacture a long fiber-type fine yarn non-woven fabric.
FLEXIBLE COMPOSITE MATERIAL, METHOD OF OBTENTION AND USES THEREOF
Flexible composite material, method of obtention and uses thereof The present description refers to a flexible composite material, method of obtention and uses thereof with a surprising resistance to tear, fissure and/or breaking of the material in conditions of extreme use, namely presence of oils and low temperatures, particularly a flexible composite material comprising the following layers: a support layer selected from the following list: fabric, nonwoven fabric, foam knitted fabric, or mixtures thereof; an intermediate layer of polyvinyl chloride, PVC, containing a plurality of sublayers; a compact layer of thermoplastic polyurethane, TPU, containing a plurality of sublayers; wherein the TPU compact layer comprises: 0.4-70% w/w of an aromatic TPU; 0.2-35% w/w of an aliphatic TPU; The present material can be used in the production of upholsteries, namely upholsteries for the automobile industry, in particular automobile seats.
ARTIFICIAL LEATHER AND MANUFACTURING METHOD THEREFOR
The present application relates to an artificial leather and a manufacturing method therefor. The artificial leather comprises a substrate layer; a polyolefin elastomer composite layer, and a polyurethane resin solution layer, wherein the polyolefin elastomer composite layer is provided on a surface of the substrate layer, and the polyolefin elastomer composite layer comprises at least one foamed layer and at least one modification layer, and the polyurethane resin solution layer is provided on a surface of the polyolefin elastomer composite layer away from the substrate layer.
NAPPED ARTIFICIAL LEATHER AND METHOD FOR PRODUCING NAPPED ARTIFICIAL LEATHER
Provided are a napped artificial leather which can restrain spontaneous elongation during the production process, enables the constant load elongation transverse/machine ratio to be set to an appropriate value even without a scrim or a liner, and is excellent in pilling resistance and appearance, and a method of producing the napped artificial leather. The napped artificial leather includes a nonwoven fabric which is an entangled body of microfine fibers, and a high-molecular elastic body attached to the nonwoven fabric, has a napped surface formed by napping the microfine fiber on at least one surface, and satisfies the following conditions (1) and (2):(1) the nonwoven fabric is composed of microfine polyester filaments and (2) the fiber density D1 in the transverse direction is from 150 to 450 fibers/mm.sup.2, the fiber density D2 in the machine direction is from 150 to 450 fibers/mm.sup.2, and D1/D2 is from 0.7 to 1.1.
COMPOSITE FABRIC COMPRISING A BACTERIAL BIOPOLYMER LAYER
Provided is a composite fabric having a base fabric and at least one bacterial biopolymer layer. The base fabric is a woven fabric, and includes warp yarns and weft yarns. At least a first plurality of warp yarns and a first plurality of weft yarns form a base layer of the base fabric. A second plurality of warp yarns and/or a second plurality of weft yarns forms an additional layer of loop portions on at least one of the sides of the base fabric. The bacterial biopolymer layer is provided at least on part of the additional layer. Further provided is a process for the production of the composite fabric and a clothing article formed of the composite fabric.
Flame retardant materials
The invention provides a flame retardant material comprising a substrate, an optionally corona-treated coating on the substrate, the coating comprising a polyolefin composition comprising a) an ethylene based plastomer with a density in the range of 0.857 to 0.915 g/cm.sup.3 and an MFR.sub.2 in the range 0.5-30 g/10 min; b) a propylene based plastomer with a density in the range of 0.860 to 0.910 g/cm.sup.3 and an MFR.sub.2 in the range 0.01-30 g/10 min; and c) a flame retardant, a primer layer on top of the coating and a lacquer topcoat.
METHOD OF MAKING ARTIFICIAL TURF AND ARTIFICIAL TURF MADE THEREOF
A method for making an artificial turf, the method comprising: providing a carrier (308) and an artificial turf fiber (501) incorporated into the carrier such that a first portion of the artificial turf fiber (506) protrudes to a back side of the carrier, a second portion of the artificial turf fiber (302) protrudes to a front side of the carrier, and a third portion of the artificial turf fiber (504) is inside the carrier; preparing a polyurethane (PU) foam reaction mixture (210) containing a reactive foam stabilizer (RFS), applying the PU foam reaction mixture on the back side of the carrier (308) to cover the artificial turf fiber (506) protruding to the back side of the carrier (308) and hardening the PU foam reaction mixture to form a flexible PU backing securing the turf fiber in place.
Sheet material and method for producing same
The sheet material according to the present invention has a polymer elastic body and a fibrous base material comprising ultrafine fibers, wherein the average single fiber diameter of the ultrafine fibers is 0.1 m to 10.0 m, the polymer elastic body has a hydrophilic group and an N-acylurea bond and/or an isourea bond, and the following conditions are satisfied: the longitudinal stiffness, in accordance with method A (45 cantilever method) in the text of 8.21 Stiffness of JIS L 1096:2010 Testing Methods for Woven and Knitted Fabrics, is 40 mm to 140 mm; and after immersion for 24 hours in N,N-dimethylformamide, the following are obtained in wear testing using a pressing load of 12.0 kPa and 20,000 friction cycles in accordance with method E (Martindale method) in the text of 8.19 Wear Strength and Friction Discoloration of JIS L 1096:2010 Testing Methods for Woven and Knitted Fabrics: a grade of at least 4 and a wear loss of not more than 25 mg.
Method for the production of a microporous polymer coated fabric
The present inventions relates to a low solvent based method for the production of a microporous polymer coated fibrous fabric, comprising the steps of contacting the fabric with a composition dispersed in an aqueous medium thereby coating the fabric with the composition, and contacting the coated with a coagulation solution and drying of the fabric, crosslinking the polymer resin. Furthermore, the present invention relates to a cleaning cloth comprising a microporous polymer coating obtained by the method.
PROTEIN POLYURETHANE ALLOY MATERIALS
Materials comprising a protein polyurethane alloy comprising one or more proteins dissolved within one or more polyurethanes. The materials can be subjected to various leather and/or textile treatments to create described properties. For example, in some embodiments, the material can be dyed. As another example, in some embodiments, the material can be fatliquored.