56results about "Composite leathers" patented technology

The present invention relates to an apparatus and method for finishing hides and flexible laminar materials in general. The present invention relates, in particular to, a laminating unit for the coupling of a flexible laminar material to a protective film and the laminating method associated therewith. The present invention also relates to a unit for separating the protective film from the flexible laminar material.

The present application relates to the leather technical field, specifically to a cool leather and its preparation process, the cool leather includes finishing layer and leather blank layer from surface layer to bottom layer, the raw material of finishing layer contains infrared reflection composition, the raw material of leather blank layer contains cool dye. The application of infrared reflection composition and cool dye in finishing layer and leather blank layer directly reduces the absorption of solar infrared radiation, reduces the temperature from the source, realizes the cool effect, reduces the temperature of leather surface and interior, reduces the material aging, hardening, cracking and other phenomena caused by high temperature, prolongs the service life of leather products.

The utility model relates to a moisture-proof cowhide material which comprises an upper cowhide layer and a lower cowhide layer which are sequentially arranged, two ends of the upper cowhide layer and the lower cowhide layer are fixedly sewed and connected, two ends of the upper cowhide layer and the lower cowhide layer are sequentially sewed and connected at equal intervals, and adjacent joints are spaced at equal intervals to form moisture-proof cavities capable of being opened. And a replaceable moisture-proof piece is arranged in the moisture-proof cavity, and the moisture-proof piece is inserted into the moisture-proof cavity, so that moisture can be prevented, and the probability of mildewing is reduced.

The present invention relates to an apparatus and method for finishing hides and flexible laminar materials in general. The present invention relates, in particular to, a laminating unit for the coupling of a flexible laminar material to a protective film and the laminating method associated therewith. The present invention also relates to a unit for separating the protective film from the flexible laminar material.

The invention relates to the field of cell culture. The invention specifically relates to culturing of cells such as fibroblasts to obtain collagen sheets, and to the collagen sheets that can be obtained by such culturing. The invention also relates to leather obtained by the tanning of such collagen sheets.

The present disclosure concerns a module (100) for inline embossing of a leather product (1) comprising a leather support sheet (2) having a surface finish layer of one or more partially cured coating layers. The module comprises an application means (10) to apply a protective foil (4) onto the partially cured layer (3) to form a laminate (5). The module also comprises a pressure group (20) including an embossing roller (21) having an outer surface with a relief structure (22) so as to emboss a negative of the surface relief structure into the leather product, across the protective foil.

A leather-like material is disclosed composed of chitosan, bulk reinforcement agents such as microfibrillated cellulose, pigments, plasticizers, crosslinkers, and organic acids with properties making it suitable as a leather substitute material.

The present disclosure provides a mixing method of a novel water-based hot melt adhesive, a novel water-based hot melt adhesive, a composite leather production method based on the novel water-based hot melt adhesive, and composite leather. In the above-mentioned mixing method, a modified emulsifier and deionized water are placed in an airflow mixing tank of a mixing device for mixing to obtain an emulsified water liquid; polyurethane resin, EVA resin emulsion and water-based acrylic resin are placed in a premixing tank of a mixing device for high-temperature heating and mixing, and then the emulsified water liquid and the resin melt are simultaneously sent to a stirring tank of the mixing device, and the emulsified water liquid and the resin melt are controlled to intersect and mix during the spraying process; then the emulsified water liquid and the resin melt are alternately mixed at low and medium speeds under vacuum conditions to obtain a resin emulsion; a thermosensitive delayed amine catalyst is added to the resin emulsion for mixing at room temperature to obtain a novel water-based hot melt adhesive. This method can prepare a novel water-based hot melt adhesive with low permeability, good softness, good adhesion, and conducive to spraying.

The invention relates to a method for manufacturing a leather ornamental and / or covering element, comprising the steps of providing (120) strips extending generally longitudinally and having a variable thickness from a first end of thinnest thickness to a second end opposite the first end; assembling (130) the strips by superposition to form a block of strips having a first thinned end formed by the thinnest first ends of the plurality of strips and a second end opposite the first thinned end and formed by the second ends of the strips, the block having a variable thickness formed by the sum of the variable thicknesses of the strips; slicing (140) the block of strips in a direction transverse to the longitudinal direction of extension of the strips to obtain slices of predetermined thickness;and to jointly assemble (170) slices and / or portions of slices forming ornamental and / or covering sub-elements so as to obtain the ornamental and / or covering element having a defined pattern. (Fig. 1);

The ear cap production line is used for solving the technical problem of low production efficiency caused by low automation degree in the existing ear cap production process. The ear cap production line comprises a skin forming mechanism for forming a skin, a baking mechanism for baking the formed skin, a cooling mechanism for cooling the skin, a laser punching mechanism for punching the cooled skin, a high-frequency welding mechanism for welding the skin and the bottom skin, a double-sided adhesive tape bonding mechanism for bonding the double-sided adhesive tape to the skin, a mesh cloth bonding mechanism for bonding the mesh cloth to the skin, a jig for fixing the skin, and a jig return conveying belt for conveying the jig. The jig comprises a jig outer ring, a jig inner core and a jig aluminum sleeve. The skin forming mechanism, the baking mechanism, the cooling mechanism, the laser punching mechanism, the high-frequency welding mechanism, the double-sided adhesive tape bonding mechanism and the mesh cloth bonding mechanism are arranged on the side of the jig return conveying belt in sequence.

The application provides a process method for manufacturing simulated sheepskin by coating two-layer sheepskin with organic silicon, and the simulated sheepskin is composed of a surface layer, an intermediate layer, an adhesive layer and two-layer sheepskin, and the thickness ranges from 50 to 300 microns; the surface layer liquid silicone rubber contains branched chain slip agent; the intermediate layer is liquid silicone rubber with an elastic modulus lower than 2 Mpa; the adhesive layer liquid silicone rubber contains platinum catalyst with complex ligand, which can eliminate the interference of elements such as N and S in the protein of two-layer sheepskin and improve the adhesion; the simulated sheepskin of the application adopts a solvent-free coating process, and the equipment is simple and has good environmental protection; the simulated sheepskin prepared has soft hand feeling, good resilience and good slipperiness, and has good simulation effect.

A method for making an upgraded and embossed laminar supporting element, in particular leather, by applying several layers on the surface of the leather, including an aqueous base coat and a lacquer coat and partially removing water and / or solvent from said layers followed by embossing and optionally further drying.

The invention relates to a method for inserting a rigid material inlay into a part made of a flexible material, the method comprising the following steps: A preparation step (S01) of the flexible material part, including in particular a manufacturing step, on an external surface of the flexible material part, of a recess intended to receive the rigid material inlay, of a predetermined depth; A preparation step (S02) from a rigid material part, of the rigid material inlay, the thickness of the rigid material inlay being greater than the predetermined depth of the recess in the flexible material part; A step of applying (S03) an adhesive within the recess made on the external surface of the flexible material part and / or on the bonding surface of the rigid material inlay;A bonding step (S04) of the rigid material inlay within the recess formed on the external surface of the flexible material part; a reduction step (S05) of the thickness of the rigid material inlay. Fig. 1;

The invention relates to an insulating material (10), in particular for sound and / or thermal insulation, comprising - a plurality of leather fibers (12), preferably made of finished leather, - wherein each leather fiber (12) has a connecting region (14) and a free region (16), - a binder (18), by which only the connecting regions (14) of the leather fibers (12) are connected to each other.

A method for producing a multilayer laminar product (6), comprising the operations of arranging a laminar support (1), covering a first face (1a) of the laminar support (1) with a first covering layer (2), consolidating, at least partially, this first covering layer (2). The method also provides for arranging a laminar element (4), covering a first face (4a) of the laminar element (4) with a second covering layer (3), consolidating the second covering layer (3), arranging above said laminar support (1) the laminar element (4) so that the first covering layer (2) and the second covering layer (3) are in contact with each other, pushing an embossed surface (107) against the first covering layer (2) and the second covering layer (3) with interposition of the laminar element (4) to imprint on the first covering layer (2) and on the second covering layer (3) the pattern of said embossed surface (107), and finally, after imprinting the pattern, causing the polymerization of the first covering layer (2) and of the second covering layer (3) to obtain a single stabilized covering layer (5).

The present disclosure relates to thermoplastic protein elastomer compositions comprising a protein, at least one reactive thermoplastic elastomer, and at least one softener, and composites made from these compositions. Methods of making and using the thermoplastic protein elastomer composite material to produce engineered leather are also disclosed. In some embodiments, the protein is selected from the group consisting of soy protein, cellulase, corn protein, egg white albumin, and pea protein; and wherein the protein and the thermoplastic elastomer are not covalently bound together. In some embodiments, the protein and the thermoplastic elastomer are present in a co-continuous phase.

The present disclosure concerns a module (100) for inline embossing of a leather product (1) comprising a leather support sheet (2) having a surface finish layer of one or more partially cured coating layers. The module comprises an application means (10) to apply a protective foil (4) onto the partially cured layer (3) to form a laminate (5). The module also comprises a pressure group (20) including an embossing roller (21) having an outer surface with a relief structure (22) so as to emboss a negative of the surface relief structure into the leather product, across the protective foil.

The present disclosure relates to thermoplastic protein elastomer compositions comprising protein, at least one reactive thermoplastic elastomer, and at least one softener, as well as composite materials made from these compositions. Methods of making and using the thermoplastic protein elastomer composite materials to produce engineered leather are also disclosed.

The invention relates to the technical field of leather, in particular to cool leather and a preparation process thereof.The cool leather sequentially comprises a coating layer and a leather blank layer from a surface layer to a bottom layer, raw materials of the coating layer contain an infrared reflection composition, and dyeing raw materials of the leather blank layer contain cool dye. The application of the infrared reflection composition and the cooling dye in the coating layer and the leather blank layer directly reduces the absorption of solar infrared radiation, reduces the temperature rise from the source, realizes the cooling effect, reduces the surface and internal temperature of the leather, reduces the phenomena of material aging, hardening, cracking and the like caused by high temperature, and prolongs the service life of the leather product.

The invention relates to the technical field of leather, in particular to odor-optimized leather, a preparation process and a leather blank wet dyeing and finishing process. The odor-optimized automobile leather sequentially comprises a coating layer, a leather blank layer, an odor absorption layer and an elastic layer from a surface layer to a bottom layer. Wherein the leather blank of the leather blank layer is processed and manufactured by a wet dyeing and finishing process, the leather blank layer realizes smell control in the whole process of the wet dyeing and finishing process, reduces the smell formed by combining chemical materials with leather fibers, gives consideration to the physical properties of leather and meets the authentication requirements of ecological leather, and the dyeing process is allocated to the two procedures of wet dyeing and finishing; one washing procedure is matched after each time of dyeing, the odor of the dye can be reduced, in addition, the two dyeing procedures can ensure that the leather blank is uniformly dyed and is not easy to fade, and the odor absorbing layer can absorb the odor volatilized in the automobile leather, so that the odor in a compartment is optimized.

A method for producing a multilayer laminar product includes the operations of providing a laminar support, covering a first face of the laminar support with a first covering layer in a polymer resin and consolidating, at least partially, the covering layer. The method further envisages providing, above the first covering layer, a laminar element free of any protective film. The method further envisages pushing an embossed surface against the first covering layer with interposition of the laminar element and causing the polymerization of the first covering layer.

The invention relates to a footwear comprising a footwear upper (FU) attached to a sole (S), the footwear upper comprising - at least one leather base layer (LBL) having a base layer top grain surface and - at least one leather attachment layer (LAL) having atop grain surface and a flesh- side surface, wherein the leather base layer (LBL) is glued to the leather attachment layer (LAL) with the base layer top grain surface facing the flesh-side ofthe leather attachment layer (LAL).