C08G2410/00

Curable compositions and their use as coatings and footwear components

Curable compositions are provided comprising: (a) an isocyanate-functional prepolymer having a weight average molecular weight of 4000 to 15,000; (b) a curing agent comprising a mixture of polyamines, wherein at least one polyamine has an amine equivalent weight of 125 to 250; and (c) an abrasion resistant additive comprising organic and inorganic particles. The isocyanate-functional prepolymer is (i) a reaction product of a polyisocyanate and a polyamine having primary and/or secondary amino groups; and/or (ii) a reaction product of a polyisocyanate and a polyol. Upon application of the composition to a substrate as a coating and after curing to form a coated substrate, the coated substrate demonstrates a coating loss of less than 0.33 cm.sup.3 after being subjected to 1000 cycles of a TABER Abrasion Test using S-42 sandpaper strips and two 1000 gram weights. Coated substrates and footwear components prepared from the compositions are also disclosed.

FOOTWEAR WITH MULTI-MATERIAL OUTSOLE

A footwear article comprises: an outsole comprising: an outsole body comprising a first polyurethane polymeric material attached to one or more tread cleats comprising a nitrile butadiene rubber polymeric material; and a footwear upper affixed to the outsole, the footwear upper comprising a second polyurethane polymeric material. Footwear articles, including boots, overshoes, and/or work shoes, are effective to meet or exceed slip resistance in accordance with ASTM F3445-21. Methods of making the footwear articles are also described.

SHOE, SOLE AND MANUFACTURING METHOD OF POLYMER MATERIAL

A shoe, a sole and a manufacturing method of a polymer material are provided. The shoe includes a midsole, an outsole, an upper, a tongue, an insole and an adhesive. A material of the midsole, the outsole, the upper, the tongue, the insole and the adhesive are a polyester material.

THREE DIMENSIONAL DEPOSITION METHOD TO CREATE LAYERS OF POLYMERIC MATERIAL ONTO AN OBJECT

A process for providing one or more thermoset polymeric materials onto an object is disclosed wherein said process comprises at least the following steps: Providing a polymeric composition having a viscosity>10 Pa.s at room temperature comprising at least one cross-linkable polymeric material; and then Optionally heating the polymeric composition to achieve a liquid cross-linkable polymeric composition having a viscosity below 4 Pa.s, and then Depositing the polymeric composition onto an object using a spray, swirl or extrusion nozzle and wherein the deposition is performed while the object and/or nozzle are moving to create an object at least partly coated with said polymeric composition; and then Optionally cooling down the at least partly coated object to room temperature, and then Optionally repeating one of foregoing steps, and then Applying a cross-linking treatment selected from radical curing, UV curing and/or heat treatment in order to convert the cross-linkable polymeric material(s) into thermoset polymeric material(s)

MOLECULARLY DOPED PIEZOELECTRIC FOAMS

A material that includes a polymer foam and at least one polar dopant molecule included in the polymer foam, wherein the material is a piezoelectric.

Damping element in shoe soles

A process for producing a shoe sole, having a hybrid material of a polyurethane foam as a matrix material and an inlay component of expanded particles of a thermoplastic polyurethane is provided. The process includes preparing an inlay form by joining the expanded particles of a thermoplastic polyurethane in an amount and size of the desired inlay; preparing the shoe sole by placing the prepared inlay form in a shoe sole mold such that an edge of the inlay component is 0.2 cm or more from an edge of the shoe sole mold; embedding the inlay form within a reaction mixture in the shoe sole mold; and reacting the reaction mixture to form the matrix in the shoe sole mold.

THERMOPLASTIC POLYURETHANE FOAM MATERIAL, MIDSOLE OF ATHLETIC SHOE AND MANUFACTURING METHOD OF FOAM MATERIAL

A thermoplastic polyurethane foam material, a midsole of athletic shoe and a manufacturing method of a foam material are provided. The thermoplastic polyurethane foam material includes a diphenylmethane diisocyanate, a polytetramethylene ether glycol, a 1,4-butanediol, a nucleating agent and a thinning agent. The thinning agent has a structure represented by formula (I), of which each symbol is defined in the specification.

Flexible polyurethane and polyurethane/polyorganosiloxane foam materials that absorb impact energy
10138373 · 2018-11-27 · ·

A polyurethane foam, a polyurethane/polyorganosiloxane foam, and a polyurethane foam polyurethane/polyorganosiloxane foam material are disclosed and described herein. The materials are formed in the presence of a polymerization reaction initiator (an isoprenoid compound), and a polymerization reaction accelerator. The polyurethane foam is formed from an isocyanate and a polyol. The polyurethane foam polyurethane/polyorganosiloxane foam material comprises the polyurethane foam which is cross-linked to the polyurethane backbone to a polyurethane/polyorganosiloxane foam. Optional gelling agents, emulsification control agents, reinforcement fillers, cross-linkers, reinforcement polymers, rubber reinforcers, silk proteins, emollients, stabilizers and colorants are also described. The polyurethane and polyurethane-polyorganosiloxane foam materials exhibit a high degree of flexibility, resilience and excellent impact absorption.

METHOD OF MANUFACTURING ALL-WATER FOAMED SHOE SOLE AND ALL-WATER FOAMED SHOE SOLE MANUFACTURED BY THE SAME
20180319113 · 2018-11-08 ·

The method of manufacturing all-water foamed shoe sole includes the following steps. Prepare main agent and solidifying agent: prepare a main agent and a solidifying agent. The main agent is a mixture of polytetrahydrofuran (PTMEG), an all-water foaming agent, and a catalyst. The solidifying agent is prepolymerized by polyester polyol and methylene diphenyl diisocyanate (MDI). Injection and foaming: the main agent and the solidifying agent are injected into a mold by an injector in a weight ratio of 100:50-60 to be foamed and shaped into a shoe sole. Removing mold: take the shoe sole out from the mold wherein the shoe sole has a specific gravity ranged from 0.2 g/cc to 0.28 g/cc.

Use of guanidine reaction products in the production of polyurethane systems

The present invention provides specific alkoxylation products, a process for preparing them, compositions which comprise these alkoxylation products, and the use thereof.