LAYER COMPOSITE FOR USE AS AN IMITATION LEATHER

Abstract

A layer composite for use as an imitation leather is provided. Also provided is a garment including the layer composite and a method of manufacturing the layer composite.

Claims

1: A layer composite for use as an imitation leather, which has the following layers: a) a carrier layer having textile material, and b) a decorative layer, wherein the decorative layer comprises the following components: i. a binder, ii. a filler material comprising an inorganic salt and/or lignin and/or a combination of plant leaf material and a gum material, and iii. a humectant.

2: The layer composite according to claim 1, wherein the humectant is selected from the group consisting of glycerol, polydextrose, sorbitol, polyhydric alcohols and polyalcohols such as 1,2-propanediol, glycol or alditols, aloe vera gel, honey, lithium chloride, molasses, urea, xylitol, hydroxycarboxylic acids, triacetin, quillaja extract, urea, pantolactone and mixtures of the foregoing.

3: The layer composite according to claim 1, wherein the anorganic salt is selected from the group consisting of iron oxide, titanium dioxide, chalk, kaolin, marble powder and zeolite.

4: The layer composite according to claim 1, wherein the gum material is selected from gum arabic, tragacanth, karaya gum and starch gum.

5: The layer composite according to claim 1, wherein the binder is a polysaccharide preferably selected from the group consisting of agar-agar, chitosan, pectin and xanthan, natural and synthetic resins, gelatin, alginate, cellulose ether, modified starch, glue and mixtures of the foregoing.

6: The layer composite according to claim 1, wherein the weight ratio of binder to filler material is in the range of 1:10 to 10:1.

7: The layer composite according to claim 1, wherein the weight ratio of binder to humectant is in the range of 1:10 to 10:1.

8: The layer composite according to claim 1, wherein the carrier layer has a nonwoven, and/or a woven fabric.

9: The layer composite according to claim 1, wherein said layer composite has one or more adhesive layers.

10: A garment comprising the layer composite according to claim 1.

11: A method of manufacturing the layer composite according to claim 1, comprising the following step: A) applying the following components to a textile carrier layer to obtain a decorative layer disposed on the carrier layer, preferably covering 90% of a planar side of the carrier layer: i. a binder, ii. a filler material comprising an inorganic salt and/or lignin and/or a combination of plant leaf and gum material such as starch gum, and iii. a humectant.

12: The method according to claim 11, wherein the method comprises the following additional steps: B) dissolving and/or dispersing the filler material, the binder and the humectant in one or more aqueous solvents and/or dispersants prior to application to the carrier layer, C) removing the one or more aqueous solvents and/or dispersants after application to the carrier layer, preferably at elevated temperature and/or reduced pressure, so that the decorative layer is formed, and optional: D) Needling and/or bonding of at least two layers of the layer composite. E) Embossing the decorative layer, preferably with a roller, a calender or a press.

Description

BRIEF DESCRIPTION OF FIGURES

[0149] FIG. 1: Schematic sectional view of a layer composite according to the invention with carrier layer and decorative layer.

[0150] FIG. 2: Schematic sectional view of a layer composite according to the invention with carrier layer, decorative layer and cover layer.

[0151] FIG. 3: Schematic sectional view of a layer composite according to the invention with carrier layer, decorative layer, 2nd decorative layer and cover layer.

LIST OF REFERENCE NUMBERS

[0152] 1 carrier layer [0153] 2 decorative layer (inorganic salt as filler material) [0154] 3 cover layer [0155] 4 2nd cover layer (tobacco and dextrin as filler material)

DETAILED DESCRIPTION OF FIGURES

[0156] FIG. 1 shows the layered structure of a layer composite according to the invention, which has a carrier layer 1 and a decorative layer 2. The decorative layer 2 comprises an inorganic salt as a filling material.

[0157] FIG. 2 shows the layered structure of a layer composite according to the invention, which has a carrier layer 1, a decorative layer 2 and a cover layer 3. The decorative layer 2 comprises an inorganic salt as a filling material.

[0158] FIG. 3 shows the layered structure of a layer composite according to the invention, which has a carrier layer 1, a decorative layer 2, a cover layer 3 and an additional second decorative layer 4, which is arranged between decorative layer 2 and cover layer 3. The decorative layer 2 comprises an inorganic salt as a filling material. The additional 2nd decorative layer comprises a combination of tobacco and dextrin as filler material. The cover layer 3 is bonded to the second decorative layer by an adhesive (indicated by the droplet).