D06N3/14

Artificial leather

The present disclosure is relates to an artificial leather. The artificial leather includes multi-layer thermoplastic polyurethane (TPU) mesh layers. Fiber fineness of the TPU mesh layers ranges from 5 μm to 30 μm, and peeling strength of the TPU mesh layers is greater than 2.5 Kg/cm.

Artificial leather

The present disclosure is relates to an artificial leather. The artificial leather includes multi-layer thermoplastic polyurethane (TPU) mesh layers. Fiber fineness of the TPU mesh layers ranges from 5 μm to 30 μm, and peeling strength of the TPU mesh layers is greater than 2.5 Kg/cm.

LIGHT-EMITTING DISPLAY DEVICE, AND A LIGHT-BLOCKING LAYER-EQUIPPED FIBER SHEET FOR USE IN LIGHT-EMITTING DISPLAY DEVICE
20230053585 · 2023-02-23 · ·

A light-emitting display device includes: a light-emitting member; and a light-blocking layer-equipped fiber sheet that covers a light-emitting surface of the light-emitting member. The light-blocking layer-equipped fiber sheet includes a fiber sheet, and a light-blocking layer that is partially printed on at least one surface of the fiber sheet. The surface of the fiber sheet on which the light-blocking layer is formed has an arithmetic mean height Sa of 3 to 20 μm, as measured based on ISO 25178, and the fiber sheet has an apparent density of 0.5 g/cm.sup.3 or more.

THERMOPLASTIC ARTIFICIAL LEATHER AND THE MANUFACTURING METHOD THEREOF

A thermoplastic artificial leather is provided, which includes a first structure layer, a second structure layer, a plurality of recycled particles, and a third structure layer, in which the second structure layer is disposed on the first structure layer, the plurality of recycled particles disposed on the second structure layer, and the third structure layer is disposed to cover the plurality of recycled particles. According to above stacked structure, the thermoplastic artificial leather with environment friendly is formed, and the plurality of recycled particles is processed in a physical manner, which can solve the problem, the environmental protection issue, caused by the use of solvent to process the recycled particle in the prior art. Use of the material characteristics of each structure layer to reprocess the recycled particles, so the reprocess procedure without using any solvent, so the environmental pollution and the production cost are greatly reduced.

Fabric-reinforced textile actuators

A soft robot hand includes a palm, a first fabric-reinforced textile actuator coupled to the palm, and a second fabric-reinforced textile actuator coupled to the palm. The first actuator is moveable relative to the palm between a collapsed position and an inflated position to approximate a joint in a first human finger. The second actuator is spaced apart from the first actuator. The second actuator is moveable relative to the palm between a collapsed position and an inflated position to approximate a joint in a second human finger.

Personal armor resistant to sharp or pointed weaponry

According to exemplary inventive practice, a personal armor system includes a textile-based layer not exceeding ½-half-inch thickness, and an elastomeric coating not exceeding ⅛-inch thickness. The textile-based layer includes a fiber reinforcement and a resin binder. The combined areal density of the textile-based layer and the elastomeric coating does not exceed 2.5 psf. According to a first mode of inventive practice, the elastomeric coating is essentially a strain-rate-sensitivity-hardening elastomer, and the areal density of the textile-based layer does not exceed 2.3 psf. According to a second mode of inventive practice, the elastomeric coating is essentially a microparticle-filled strain-rate-sensitivity-hardening elastomeric matrix material, and the areal density of the textile-based layer does not exceed 1.7 psf. The microparticles (e.g., spherical glass microparticles) do not exceed, by weight, 30 percent of the strain-rate-sensitivity-hardening elastomeric matrix material. The textile-based layer affords ballistic protection; the elastomeric coating affords protection against sharp/pointed objects.

Grained artificial leather and method for manufacturing grained artificial leather

Disclosed is a grain-finished artificial leather including an artificial leather base material, and a grain layer stacked on the artificial leather base material. The artificial leather base material includes a fiber-entangled body including ultrafine fibers having an average fineness of 0.4 dtex or less, an elastic polymer, and fine particles having an average particle size of 10 μm or less. The content ratio of the fine particles is 10 to 40 mass %, and the ratio of the elastic polymer to the total amount of the elastic polymer and the fine particles is 20 to 80 mass %. Also, a total of an apparent density of the elastic polymer and an apparent density of the fine particles is 0.23 to 0.55 g/cm.sup.3.

Grained artificial leather and method for manufacturing grained artificial leather

Disclosed is a grain-finished artificial leather including an artificial leather base material, and a grain layer stacked on the artificial leather base material. The artificial leather base material includes a fiber-entangled body including ultrafine fibers having an average fineness of 0.4 dtex or less, an elastic polymer, and fine particles having an average particle size of 10 μm or less. The content ratio of the fine particles is 10 to 40 mass %, and the ratio of the elastic polymer to the total amount of the elastic polymer and the fine particles is 20 to 80 mass %. Also, a total of an apparent density of the elastic polymer and an apparent density of the fine particles is 0.23 to 0.55 g/cm.sup.3.

LEATHER-LIKE SHEET
20230033018 · 2023-02-02 · ·

A leather-like sheet includes: a fiber base material; an intermediate resin layer stacked on one surface of the fiber base material; and a surface resin layer stacked on the intermediate resin layer. The surface resin layer contains a polyether-based polyurethane and spherical fine particles having a heat resistance at 200° C., and has a content ratio of the spherical fine particles of 5 to 40 mass %. The spherical fine particles have a specific heat of 0.95 kJ/(kg.Math.K) or more, a particle size D.sub.50 (median diameter) at a cumulative distribution of 50 vol %, of 2.5 to 10 μm, and a particle size D.sub.10 at a cumulative distribution of 10 vol % of the spherical fine particles which satisfies a condition that a particle size dispersity D.sub.50/D.sub.10≤3.

MODIFIED POLYVINYL BUTYRAL MATERIAL, AND PREPARATION AND APPLICATIONS THEREOF
20230032394 · 2023-02-02 ·

The present invention relates to a modified polyvinyl butyral material, comprising a polyvinyl butyral composite material, a filler, an anti-hydrolysis agent, a first plasticizer, zinc stearate, calcium stearate, and a polymeric dispersant; wherein the polyvinyl butyral composite material is obtained by plasticizing a composition comprising polyvinyl butyral and a second plasticizer. The present invention also relates to a preparation method of the modified polyvinyl butyral material, a modified polyvinyl butyral product comprising at least one modified polyvinyl butyral layer prepared from a material comprising the modified polyvinyl butyral material, and the preparation method of the modified polyvinyl butyral product.