Abstract: One embodiment of the invention relates to a laminated sheet material, including, in order: (A) a substrate layer having an inner surface and at least a partially napped outer surface and including: an entangled nonwoven first fabric including ultrafine fibers having a fineness of not more than 0.01 decitex; and a first elastomeric polymer impregnated in the first fabric; (B) an adhesive layer; and (C) a substrate layer, including: an entangled nonwoven second fabric including fibers having a fineness of not less than 0.05 decitex; and a second elastomeric polymer impregnated in the second fabric; wherein at least a portion of the napped outer surface is covered with a third polymer, the third polymer being solid at a temperature of 20-25° C. and having a melting point not lower than 60° C. and having an elongation at break of not more than 10%. Another embodiment of the present invention provides a shoe upper, that includes the above-mentioned laminated sheet material.

Abstract: A napped leather-like sheet material comprising an entangled nonwoven fabric composed of ultrafine fibers and an elastomer contained therein and having a nap made of ultrafine fibers on one or both sides thereof, which material is provided with a silk protein substance and a softening agent on the surface portion of the napped face or faces; and a method of producing the above napped leather-like sheet material which comprises applying a liquid containing a silk protein substance and a softening agent to the surface of a napped leather-like sheet material by, for example, a gravure printing or spraying technique.

Abstract: An oil tone artificial leather sheet having a blend of an oily substance of viscosity 50-10,000 mPa·s at 30° C. and a supporting polymer on part or all of a nap surface of a napped sheet comprising a non-woven fabric of microfine fibers and polyurethane existing in the non-woven fabric, wherein raised fibers comprising the microfine fibers are present in part or all of at least one surface and are forming the nap surface, and which has a high-quality appearance, and the soft hand touch and touch of natural leather. The sheet is useful in, for example, the manufacture of shoes or the like.

Abstract: A leather-like sheet material comprising a substrate layer composed of an entangled nonwoven fabric consisting of ultrafine fibers and an elastic polymer or elastomer filled therein and having, on one side (side A) of the substrate layer, a grain layer comprising an elastomer mainly consisting of a polyurethane, wherein the ultrafine fibers (a) constituting the side A of the substrate layer have a mean fineness substantially within the range of 0.01 to 0.

Abstract: A leather-like sheet having naps on its surface and having writing effect, a high-class external appearance, hand touch and feel like natural leather, and folds like natural leather. When it is subjected to lasting shoemaking, it is possible to obtain shoes which have at its surface no unevenness and do not get out of shape. A leather-like sheet wherein the following fiber-entangled nonwoven fabrics (A) and (B) are stacked with an adhesive agent present in a discontinuous state: (A) a fiber-entangled nonwoven fabric containing an elastic polymer and comprising a microfine fiber (a) having a fineness of 0.1 denier or less, the surface opposite to its stacking surf ace being fluffed, and rupture elongations in the longitudinal and latitudinal directions thereof being 50% or more and 80% or more, respectively, and (B) a fiber-entangled nonwoven fabric containing an elastic polymer and comprising a microfine fiber (b) having a fineness of 0.

Abstract: A napped leather-like sheet material comprising an entangled nonwoven fabric composed of ultrafine fibers and an elastomer contained therein and having a nap made of ultrafine fibers on one or both sides thereof, which material is provided with a silk protein substance and a softening agent on the surface portion of the napped face or faces; and a method of producing the above napped leather-like sheet material which comprises applying a liquid containing a silk protein substance and a softening agent to the surface of a napped leather-like sheet material by, for example, a gravure printing or spraying technique.

Abstract: One embodiment of the invention relates to a laminated sheet material, including, in order:

Abstract: Disclosed herein are a leather-like sheet which comprises a fibrous base material (A), a concealing layer (B), an easily dyeable layer (C) each on the fibrous base material (A) in this order, an image (D) formed on the easily dyeable layer (C) which image has resolution of at least 4 dots/mm and is depicted by an ink-jet system, and a transparent or translucent protective layer (E) on the image; a process for producing the leather-like sheet; and a leather-like sheet for use in depicting an image by an ink-jet system which leather-like sheet comprises a concealing layer (B) and an easily dyeable layer (C) in turn on a fibrous base material (A). The above leather-like sheet has a vivid, precise, fine, abrasion-resistant and high color-fastness image which is depicted by an ink-jet system. Moreover, the above process enables the production of the high-quality leather-like sheet in high productivity without any troublesome procedure or much labor.

Abstract: Disclosed are thermoplastic polyurethanes obtainable by reacting (a) a polyester-polyol that satisfies all the following requirements (1) to (4):(1) its ester group content (number of ester bonds/number of all carbon atoms) is from 0.08 to 0.17;(2) it has hydroxyl groups of from 2.01 to 2.08 per one molecule;(3) it has a number average molecular weight of from 1000 to 7000; and(4) it has a crystallization enthalpy (.DELTA.H) of 70 J/g or less,(b) an organic diisocyanate and (c) a chain extender at a ratio that satisfies the following numerical formula (i):1.00.ltoreq.b/(a+c).ltoreq.1.

Abstract: Suede-like artificial leather is described that is treated with at least one dye selected from the group consisting of sulfur dyes, vat dyes and sulfur vat dyes, and 2,2',4,4'-tetrahydroxy benzophenone. The suede-like artificial leather has excellent color resistance to light and color fastness to both washing and dry-cleaning.

Abstract: A laminate comprising a layer formed by melt molding a thermoplastic polyurethane and a fibrous base layer, a film or sheet melt molded from the thermoplastic polyurethane, and a thermoplastic polyurethane composition comprising the thermoplastic polyurethane and tin compound in an amount of 0.3 to 15 ppm (in terms of tin atom) based on the thermoplastic polyurethane; the thermoplastic polyurethane being a thermoplastic polyurethane obtained from a polymeric diol (a) having a number average molecular weight of 1,500 to 4,000, an organic diisocyanate (b) and a chain extender (c) and having an inherent viscosity of at least 0.9 dl/g and a retention of long-chain hard segments when heat melted of at least 80%, the polymeric diol (a) having a crystallization enthalpy (.DELTA.H) of not more than 70 J/g and having low molecular diol units comprising at least 30 mole % of 1,9-nonanediol units.

Abstract: Disclosed are thermoplastic polyurethanes obtainable by reacting (a) a polyester-polyol that satisfies all the following requirements (1) to (4):(1) its ester group content (number of ester bonds/number of all carbon atoms) is from 0.08 to 0.17;(2) it has hydroxyl groups of from 2.01 to 2.08 per one molecule;(3) it has a number average molecular height of from 1000 to 7000; and(4) it has a crystallization enthalpy (.DELTA.H) of 70 J/g or less,(b) an organic diisocyanate and (c) a chain extender at a ratio that satisfies the following numerical formula (i):1.00.ltoreq.b/(a+c).ltoreq.1.

Abstract: A suede-like artificial leather which is composed of fiber bundles and an elastomeric polymer, has fibrous nap on its surface and is dyed, said fiber bundles being composed of fine fibers (A) having a finess of 0.02-0.2 denier and microfine fibers (B) having a fineness not more than 1/5 of the average fineness of said fine fibers (A) and also less than 0.02 denier, said fibers (A) and (B) being substantially uniformly dispersed in cross sections of the fiber bundles, the ratio between the strand numbers of fibers (A) to fibers (B) ranging from 1/2 to 2/3, said fiber bundles not substantially containing the elastomeric polymer in the interspaces among the individual fibers constituting each of the fiber bundles, and the ratio of the number of fibers (A) to that of fibers (B) in the nap-constituting fibers being at least 3/1, is provided.