D06N3/0065

STAIN-RESISTANT SYNTHETIC LEATHER AND METHOD FOR MANUFACTURING SAME
20170321374 · 2017-11-09 · ·

Provided a stain-resistant synthetic leather, including: (a) a polyurethane synthetic leather; (b) a silane-based coating layer formed on the polyurethane synthetic leather; and (c) a silicone coating layer formed on the silane-based coating layer, wherein the silane-based layer strengthens the binding between the polyurethane synthetic leather and the silicone coating layer, so that the stain-resistant synthetic leather can exhibit texture and flexibility of natural leather per se, and can exhibit excellent water resistance, stain resistance, weather resistance, and wear resistance through the silane-based coating layer and silicone coating layer formed on the polyurethane synthetic leather.

COATING PROVIDING CONTROLLED ABSORPTION AND SCATTERING
20220204783 · 2022-06-30 ·

An article includes a substrate with a surface, a coating disposed over the surface, and a subtractive colorant which absorbs electromagnetic radiation according to a specified absorption spectrum. The coating includes a binder material and a plurality of porous polymer particles having pores with a distribution of pore sizes adapted to scatter electromagnetic radiation in one or more specified wavelength bands, wherein the porous polymer particles have a shell which is impermeable to a liquid.

ARTIFICIAL LEATHER AND MANUFACTURING METHOD THEREOF

The present disclosure is relates to an artificial leather and a manufacturing method thereof. The artificial leather includes a substrate, an adhering glue layer, a moldable surface layer, a TPU adhering layer, a TPU layer and a bottom layer. The substrate includes a first surface and a second surface. The adhering glue layer is disposed on the first surface of the substrate. The moldable surface layer is disposed on the adhering glue layer. The TPU adhering layer is disposed on the second surface of the substrate. The TPU is disposed on a surface of the TPU adhering layer. The bottom layer is disposed on a surface of the TPU layer. The moldable surface layer of the artificial leather has a texture of leather and color effect. The bottom layer has a villus effect and high wear resistance.

COATING PROVIDING PANCHROMATIC SCATTERING
20220195209 · 2022-06-23 ·

An article includes a substrate with a surface, and a coating disposed over the surface. The coating includes a binder material and a plurality of porous polymer particles having pores with a variety of pore sizes including a first set of pores having a first average pore size d1 in the range 0.3≤d1/λ1≤0.7, wherein λ1 is a wavelength in the range of 250-400 nm, a second set of pores having a second average pore size d2 in the range 0.3≤d2/λ2≤0.7, wherein λ2 is a wavelength in the range of 400-700 nm, and a third set of pores having a third average pore size d3 in the range 0.3≤d3/λ3≤0.7, wherein λ3 is a wavelength in the range of 700-3000 nm, wherein the porous polymer particles have a shell which is impermeable to a liquid.

GRAIN-FINISHED LEATHER-LIKE SHEET AND EVALUATION METHOD FOR GRAIN-FINISHED LEATHER-LIKE SHEET
20220186430 · 2022-06-16 · ·

Disclosed is a grain-finished leather-like sheet including: a fiber base material; and a polyurethane skin film stacked, as a surface layer, directly on the fiber base material or via another polyurethane layer, wherein the polyurethane skin film contains at least one of a diketopyrrolopyrrole-based red pigment and an α-type phthalocyanine-based blue pigment, the grain-finished leather-like sheet further includes a clear polyurethane film layer coating the polyurethane skin film, and the grain-finished leather-like sheet has a grade of color difference, determined using a Grey scale for assessing staining, of 4-5 or more, when 0.03 g of oleic acid is added dropwise to a surface of the clear polyurethane film layer, and thereafter a white cotton fabric is reciprocated 100 times on the surface, using a crockmeter.

Dyed leather-like sheet and fiber structure

Disclosed is a leather-like sheet having a lightness L* of 35 or less, and including a fiber structure including fiber dyed with a dye composition including C.I. Basic Blue 3 and at least one blue cationic dye other than C.I. Basic Blue 3, and an elastic polymer contained in internal voids of the fiber structure, or the fiber structure. Also disclosed is a leather-like sheet having a lightness L* of 35 or less, and including a fiber structure including fiber dyed with an azo-based blue cationic dye, and an elastic polymer contained in internal voids of the fiber structure, wherein the leather-like sheet or the fiber structure has a color difference (ΔE), determined when treated for 48 hours under moist and hot conditions of 80° C. and a moisture of 90%, of ΔE≤2. or the fiber structure.

LAYERED COLLAGEN MATERIALS AND METHODS OF MAKING THE SAME

The present disclosure provides layered collagen materials comprising one or more collagen/polymer matrix layers. The collagen/polymer matrix layer(s) are formed of a collagen blended with one or more polymers. The collagen blended within the polymer(s) can be dissolved within the polymer(s). The one or more collagen/polymer matrix layers can be attached to a substrate layer, for example a fabric layer.

COLLAGEN-INFUSED COMPOSITE MATERIALS AND METHODS OF MANUFACTURING THE SAME

The present disclosure provides a collagen-infused composite material comprising an optionally functionalized armature including a base substrate and one or more and non-woven substrates. The non-woven substrate(s) can be directly coupled to a topmost surface and/or bottommost surface of the base substrate. The material properties and/or collagen infusion capacities of the base substrate and the non-woven substrate(s) can be tailored to create a collagen-infused composite material with characteristics that mimic those of a natural leather. In some embodiments, the base substrate can be spacer fabric. In some embodiments, the armature can be functionalized to facilitate the crosslinking the collagen to the armature during one or more tanning processes.

Method for making light-blocking decorative articles
11181247 · 2021-11-23 · ·

Laminated light-blocking decorative articles are prepared by applying an aqueous foamed opacifying composition to a decorative fabric, drying, laminating a non-woven fabric to the resulting dry foamed opacifying layer, and densifying that layer to have a thickness that is at least 20% less than before densifying. This operation can be carried out so that non-woven fabric, decorative fabric, and aqueous foamed opacifying composition are supplied in a single-pass, in-line operation to make any quantity of laminated light-blocking decorative article. The applied aqueous foamed opacifying composition has 35%-70% solids and a foam density of 0.1-0.5 g/cm.sup.3. It is composed of (a) porous particles, (b) a binder material, (c) two or more additives comprising at least one foaming surfactant and at least one foam stabilizer, (d) an aqueous medium, and (e) at least 0.0001 weight % of an opacifying colorant that absorbs electromagnetic radiation having a wavelength of 380-800 nm.

BIO-BASED ARTIFICIAL LEATHER
20210355630 · 2021-11-18 ·

The present invention relates to a layered material and a method of producing the same.

The layered material has one or more layers, including at least one foamed layer, said foamed layer comprising a first polymer and a second polymer, said foamed layer having a high BBC.