B29K2009/06

Eco-friendly flooring and method for manufacturing same
11254805 · 2022-02-22 · ·

Described herein is flooring formed of an eco-friendly material, where the flooring has excellent heat resistance, durability, abrasion resistance and dimensional stability, and is formed of a non-PVC material and thus is recyclable via an extrusion processing at the time of disposal after use. Specifically, eco-friendly flooring is described in which a coating layer, an overlayer having ionomers, a printing layer, at least one middle layer, and at least one underlayer are laminated in order, where the overlayer of the flooring has ionomers, at least one of the middle layer and the underlayer has a thermoplastic polyolefin-based resin, a styrene-based resin, oil, and a filler, the thermoplastic polyolefin-based resin is contained in an amount of 50 to 150 parts by weight with respect to 100 parts by weight of the styrene-based resin, and the styrene-based resin may contain 25 to 45% styrene.

Laminate, shoe sole, and shoe

A laminate of the present invention includes a first member which contains a thermoplastic polymer and through which laser light is transmitted and a second member which contains a thermoplastic polymer and absorbs laser light, wherein the first member is directly bonded to the second member, and A represented by the formula 1: A=−9×D+Wa−45 is more than zero. D represents a distance between a Hansen solubility parameter of the thermoplastic polymer of the first member and a Hansen solubility parameter of the thermoplastic polymer of the second member, and Wa represents work of adhesion calculated from each surface free energy of the first member and the second member. Such a first member and a second member are firmly bonded to each other without using a bonding sheet.

Laminate, shoe sole, and shoe

A laminate of the present invention includes a first member which contains a thermoplastic polymer and through which laser light is transmitted and a second member which contains a thermoplastic polymer and absorbs laser light, wherein the first member is directly bonded to the second member, and A represented by the formula 1: A=−9×D+Wa−45 is more than zero. D represents a distance between a Hansen solubility parameter of the thermoplastic polymer of the first member and a Hansen solubility parameter of the thermoplastic polymer of the second member, and Wa represents work of adhesion calculated from each surface free energy of the first member and the second member. Such a first member and a second member are firmly bonded to each other without using a bonding sheet.

RUBBER COMPOSITION MANUFACTURING METHOD AND PNEUMATIC TIRE

A method for manufacturing a rubber composition includes kneading a rubber component, an inorganic filler and a thioester-based silane coupling agent, and adding a vulcanizing agent and one or more compounds selected from the group of an imide compound and an N-oxyl compound to a mixture of the rubber component, the inorganic filler, and the thioester-based silane coupling agent such that the vulcanizing agent and the imide compound and/or the N-oxyl compound are kneaded with the mixture including the rubber component, the inorganic filler, and the thioester-based silane coupling agent.

Floor covering and method for producing the same
09777488 · 2017-10-03 · ·

A floor covering including one of a sheet-shaped or plate-shaped matrix made of an elastomeric material. The matrix is provided with particles made of a thermoplastic material, where the elastomeric material of the matrix and the thermoplastic material of the particles each have at least one matching monomer.

Acrylic composition having an increased resistance to alcohols, oils and fats
20220033551 · 2022-02-03 · ·

A transparent acrylic-based polymer composition has an increased resistance to alcohols, oils and fats. The polymer composition contains: (A) a copolymer of alkyl(meth)acrylates, aromatic vinyl monomer and unsaturated carboxylic acid anhydride; (B) a copolymer containing aromatic vinyl monomer and a vinyl cyanide monomer; and (C) a particulate core-shell type graft copolymer containing a butadiene-based core as a rubbery phase and a copolymer containing alkyl(meth)acrylates and, optionally, aromatic vinyl monomer as a hard phase. The components A and B form a polymer matrix and the particulate core-shell type graft copolymer C is dispersed in said polymer matrix.

Toner supply roller and image forming apparatus

A toner supply roller (1) is produced by preparing a rubber composition which contains a rubber component including an epichlorohydrin rubber and a butadiene rubber, a crosslinking component and a foaming component and, while extruding the rubber composition into a tubular body, continuously foaming and crosslinking the rubber composition of the tubular body by a continuous crosslinking apparatus including a microwave crosslinking device and a hot air crosslinking device. An image forming apparatus incorporates the toner supply roller (1).

Recycled micronized rubber formulation having improved abrasion resistance

This invention is based upon the discovery that micronized solution styrene-butadiene rubber from postconsumer sources can be included in rubber formulations without severely compromising abrasion resistance. The micronized solution styrene-butadiene rubber utilized in the rubber formulations of this invention can be made by cryogenic grinding postconsumer rubber products using conventional procedures. For instance, it can be made by cryogenically grinding a tire tread containing a high level of solution styrene-butadiene rubber. The micronized solution styrene-butadiene rubber can then be blending into desired virgin rubbers and cured without significantly compromising the abrasion resistance of the rubber formulation. The rubber formulation of this invention is comprised of a natural or synthetic rubber and from 1 weight percent to 30 weight percent of a micronized rubber composition containing at least 10 weight percent solution styrene-butadiene rubber and having a particle size of 40 mesh to 200 mesh.

Laser sintering powder, laser sintering article, and a method of making a laser sintering article

The present invention comprises a laser sintering powder composition comprising: greater than 30 to 90 wt. % of a hydrogenated styrene-butadiene/styrene-styrene (S(EB/S)S) block copolymer or a hydrogenated styrene-butadiene-styrene (SEBS) block copolymer, or a mixture thereof; 10 to less than 70 wt. % of a C.sub.3 to C.sub.8 polyolefin, or a mixture of two or more polyolefins, 0 to 20 wt. % mineral oil, 0.2 to 1 wt. % of one or more antioxidants, 0 to 5 wt. % colorant, 0 to 20 wt. % surface modifying agent, wherein the total of the above ingredients is 100 wt. %, and optionally 0 to 5 parts by weight of a powder flow agent, based on 100 weight parts of the laser sintering powder composition. The composition has a melt flow rate of at least 20 grams/10 min. at 190° C./2.16 kg mass. The invention also comprises laser sintered articles and methods for making the same.

Thermoplastic Elastomer Composition Comprising An Elastomer, A Non-Elastomeric Polyolefin, And A Polyolefin Block Copolymer-Based Thermoplastic Elastomer
20170253732 · 2017-09-07 ·

A thermoplastic elastomer composition of an elastomer, a non-elastomeric polyolefin and a thermoplastic elastomer based on polyolefin block copolymers are disclosed. Furthermore, the invention also relates to the use of a mixture of an elastomer and a cross-linking agent for the elastomer for producing a thermoplastic elastomer composition. A further subject of the invention is the use of a mixture of a non-elastomeric polyolefin and a thermoplastic elastomer based on polyolefin block copolymers for producing a thermoplastic elastomer composition. In addition, the invention relates to the use of a thermoplastic elastomer composition for producing a composite material with a polyolefin, in particular polypropylene. The invention also relates to a process for producing a thermoplastic elastomer composition as well as a composite material (article) made of the thermoplastic elastomer composition with a polyolefin.