A flexible foam composition comprising a flexible foam structure comprising a plurality of struts, and a plurality of fibers, where a majority of the fibers are associated with the struts. The fibers may be thermally conductive fibers. The fibers include, but are not necessarily limited to, homopolymer and/or copolymer fibers having a glass transition temperature (Tg) of −50° C. (−58° F.) or greater, carbon fibers, animal-based fibers, plant-based fibers, metal fibers, and combinations thereof. The presence of fibers can impart to the flexible foam composition greater indentation force deflection (IFD), greater static thermal conductivity, improved compression set, improved height retention or durability, and/or a combination of these improvements. The flexible foam composition may be polyurethane foam, latex foam, polyether polyurethane foam, viscoelastic foam, high resilient foam, polyester polyurethane foam, foamed polyethylene, foamed polypropylene, expanded polystyrene, foamed silicone, melamine foam, among others.

A void-containing layer is disclosed in which a pressure-sensitive adhesive or an adhesive is less likely penetrated into voids. The void-containing layer of the present invention includes: nanoparticles, surfaces of which are modified with a compound having a surface orientation, wherein the void-containing layer has a void fraction of 35 vol %.

The present disclosure relates to an expanded foam solution for forming a thermosetting expanded foam having excellent flame retardancy produced using the same. According to the present disclosure, nanoclay is mixed with a polyol-based compound using ultrasonic waves, an isocyanate-based compound is added, and a trimerization catalyst or an isocyanurate compound is mixed with the polyol-based compound so that an isocyanurate structure is formed.

A product of additive manufacturing with a silicone-based ink includes a plurality of continuous filaments comprised of a siloxane matrix, wherein the continuous filaments are arranged in a geometric pattern, a plurality of inter-filament pores defined by the geometric pattern of the continuous filaments, and a plurality of intra-filament pores having an average diameter in a range of greater than 1 micron to less than 50 microns.

A polyurethane foam of the present disclosure is obtained from a polyurethane raw material containing a polyol component and a polyisocyanate component, and a gas for foaming. The polyurethane raw material contains a hydrophobic silica as a foam retention agent for retaining a foam and a light calcium carbonate, and the light calcium carbonate is 10 parts by weight or more based on 100 parts by weight of the polyol component.

An ultra-light graphene-rubber foam particle for soles is prepared from, by weight, 60-65 parts of natural rubber, 8-12 parts of isoprene rubber, 8-12 parts of butadiene rubber, 6-8 parts of styrene butadiene rubber, 0.8-1.0 parts of modified graphene, 0.08-0.12 parts of poly(N-vinylacetamide), 0.8-1.0 parts of silicone oil, 3.0-3.5 parts of inorganic nano-particles, 1.2-1.5 parts of activated zinc oxide, 0.8-1.0 parts of zinc stearate, 1.0-1.2 parts of stearic acid, 0.8-1.0 parts of cross-linking agents, 2.0-3.0 parts of flow promotors, and 1.5-1.8 parts of foaming agents. According to the invention, the modified graphene is uniformly dispersed into the rubber materials, so that the ultra-light graphene-rubber foam particle has good thermal stability, wear resistance and tensile strength, the permanent compressive-deformation performance and thermal contraction resistance are improved, and the weight is reduced by over 50%.

This provides an improved process for making a flexible, porous, dissolvable solid sheet article with improved pore structures.

According to one embodiment, a silicone-based ink for additive manufacturing includes a vinyl-terminated diphenyl siloxane macromer, a treated silica hydrophobic reinforcing filler, a rheology modifying additive, and a plurality of porogen particles. According to another embodiment, a product of additive manufacturing with a silicone-based ink includes a plurality of continuous filaments comprised of a siloxane matrix, where the continuous filaments are arranged in a geometric pattern, a plurality of inter-filament pores defined by the geometric pattern of the continuous filaments, and a plurality of intra-filament pores having an average diameter in a range of greater than 1 micron to less than 50 microns.

The present disclosure relates to an expanded foam solution for forming a thermosetting expanded foam having excellent flame retardancy produced using the same. According to the present disclosure, nanoclay is mixed with a polyol-based compound using ultrasonic waves, an isocyanate-based compound is added, and a trimerization catalyst or an isocyanurate compound is mixed with the polyol-based compound so that an isocyanurate structure is formed.

This disclosure describes processes for producing polymer foams, and compositions of matter relating to these processes. A process includes the steps of dispersing an organic nucleating agent in a dispersing medium to obtain an additive dispersion, contacting the additive dispersion with a mineral nucleating agent to obtain a hybrid nucleating agent containing the organic nucleating agent localized on at least a portion of a surface of the mineral nucleating agent, and contacting the hybrid nucleating agent with a polymer in the presence of a foaming agent to obtain a polymer foam. A foamed polymer of the present disclosure includes a cellular matrix containing a polymer material, and a mineral matrix of particles containing a hybrid nucleating agent dispersed in the cellular matrix, in which the hybrid nucleating agent contains an organic nucleating agent localized on at least a portion of a surface of an inorganic material.