C08L2203/14

FOAM COMPOSITIONS AND USES THEREOF
20220267551 · 2022-08-25 ·

A variety of foams and foam components are provided, including foam components for articles of footwear and athletic equipment. The articles include a composition having a foam structure, wherein the composition includes a thermoplastic copolyester elastomer comprising: (a) a plurality of first segments, each first segment derived from a dihydroxy-terminated polydiol; (b) a plurality of second segments, each second segment derived from a diol; and (c) a plurality of third segments, each third segment derived from an aromatic dicarboxylic acid. Methods of making the compositions and foams are provided, as well as methods of making an article of footwear including at least one of the foam components. In some aspects, the foams and foam components can be made by extrusion or injection molding to foam the polymeric composition, or extrusion or injection molding to foam the polymeric composition followed by compression molding of the foam.

LIMITED CONDUCTION HEAT RETAINING MATERIALS

Embodiments relate to an article of clothing that includes a base material with a moisture vapor transfer rate (MVTR) of at least 2000 g/m.sup.2/24 h (JIS 1099 A1). The article of clothing may further include a foam-based spacer material coupled to the first side of the base material. The foam-based spacer material may be positioned between the base material and a wearer of the article of clothing when the article of clothing is worn. The foam-based spacer material may be an array of discrete elements coupled with the base material. Other embodiments may be described and/or claimed.

USE OF A COMPOSITION FOR THE MANUFACTURE OF A FOAMED ARTICLE
20220267550 · 2022-08-25 ·

The present invention relates to the use of a composition comprising 60-98 wt. % of polypropylene, 2-40 wt. % of low density polyethylene, 0.1-10 wt. % of compatibiliser wherein the compatibiliser is a BAB or AB type of block copolymer comprising a polypropylene block A and a polyester block B, or wherein the compatibiliser is a graft copolymer of the type ABn having a polypropylene backbone A and polyester block(s) B grafted thereon, with n being at least 1, and the polyester block(s) B have an average M/F ratio from 8-32, wherein M is the number of backbone carbon atoms in the polyester not including carbonyl carbon atoms, and F is the number of ester groups in the polyester block(s), wherein the wt. % is based on the sum of the amount polypropylene, low density polyethylene and compatibiliser, for the manufacture of a foamed article.

COMPOSITE MATERIALS
20170216477 · 2017-08-03 ·

A composite material is formed by combining an expandable polymer having a charge with another polymer having an opposite charge to produce. In particular, the composite material can be prepared by combining the polymers with a medium such as and water, and expanding the mixture using a treatment that expands the mixture to produce, for example, insoluble porous foam-like composites.

Self-cooling foam-containing composite materials

Provided herein is a composite material that includes at least one thermoresponsive polymer and at least one organic foam material. Further provided herein is a method for producing the composite material and also to the use of the composite material for cooling and for regulating temperature.

DAMPING-IMPARTING COMPOSITION HAVING HIGH IMPACT DURABILITY AT LOW TEMPERATURE
20170267842 · 2017-09-21 ·

The present invention relates to a thermally curable composition comprising: (a1) a solid rubber in an amount of 2.5% by mass or more, (a2) an olefinic double bond-containing polymer which is liquid or pasty at 22° C. in an amount of less than 5% by mass, (a3) a hydrocarbon resin in an amount of, in total with said component (a2), 5% by mass or more and 20% by mass or less, and (a4) a liquid polydiene in an amount of 15% by mass or more based on the total mass of the composition as a component (a); and at least one selected from the group consisting of the following (b1) to (b3): (b1) sulfur and one or more accelerator(s), (b2) peroxidic vulcanization system or disulfidic vulcanization system, and (b3) quinones, quinone dioximes or dinitrosobenzene, as a vulcanization system (b).

POLYOLEFIN COMPOSITE COMPOSITION FOR AUTOMOTIVE AIRDUCT

A polyolefin composite composition is used in an automotive air duct. The polyolefin composite composition is useful as an automotive air duct component material due to excellent mechanical property, heat resistance, and foaming property as a composition in which a polyethylene resin and a long chain branched polypropylene resin having low crystallization of 45% or less are included as a base resin.

Article of Footwear With Lightweight Sole Assembly

A sole assembly for an article of footwear has a first portion having a lower ground engaging surface, an upper surface, and a recess formed in the upper surface. A second portion is seated in the recess in the first portion and has an upper surface. The second portion is formed from a first foam material prepared by a reaction product of a composition having about 10 to about 100 phr of a hydrogenated copolymer and about 10 to about 90 phr of a copolymer of ethlylene and an alpha olefin, the alpha olefin having up to 20 carbon atoms. The first foam material has a hardness of 25 to 45 Asker C and a density of less than 0.18 g/cm3.

FOAM, LAMINATE, AND FORMED PRODUCT
20170260349 · 2017-09-14 · ·

The present invention relates to a foam having a density of 0.036 g/cc or more and less than 0.133 g/cc, having an elongation (%) at break at 160° C. of 150% or more as measured in accordance with JIS K6251, a value of 7 or more obtained by multiplying the elongation (%) at break by a 100% modulus (MPa) at 160° C. as measured in accordance with JIS K6251, and a cross-linking degree of 30 to 50%.

PRODUCTION OF RIGID POLYURETHANE FOAM

What are described are (a) a composition suitable for production of rigid polyurethane foam, comprising at least one isocyanate component, a polyol component, optionally a catalyst that catalyses the formation of a urethane or isocyanurate bond, optionally blowing agents, where the composition additionally comprises hydrocarbons HC, polyether-modified siloxane and optional polyalkylsiloxane, (b) a process for producing rigid polyurethane foam using hydrocarbons HC, polyether-modified siloxane and optional polyalkylsiloxanes, (c) the rigid polyurethane foam thus obtainable and (d) the use thereof.