Patent classifications
C08J9/0085
Fiber reinforced flexible foams
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.
Shoe component and manufacturing method thereof
A shoe component includes a foam member including a thermoplastic material and a mixed material mixed to each other, wherein the weight percentage of the thermoplastic material is 90 wt % to 99 wt %, and the weight percentage of the mixed material is 10 wt % to 1 wt %. A manufacturing method of the shoe component is also disclosed herein.
POLYAMIDE RESIN COMPOSITION FOR FOAM MOLDING AND FOAM MOLDED BODY
Provided is a polyamide resin composition which is used for a foam molded body and has high appearance performance, high load resistance, and high impact resistance. This polyamide resin composition for foam molding contains: 40 to 70 parts by mass of a crystalline polyamide resin (A); 5 to 15 parts by mass of a non-crystalline polyamide resin (B); 15 to 50 parts by mass of an inorganic reinforcing material (C); 0.1 to 10 parts by mass of an elastomer (D); and 0.5 to 15 parts by mass of a copolymer (E) having a functional group that reacts with a terminal group of the polyamide resin. The total amount of the crystalline polyamide resin (A), the non-crystalline polyamide resin (B), the inorganic reinforcing material (C), the elastomer (D), and the copolymer (E) having a functional group that reacts with a terminal group of the polyamide resin is 100 parts by mass.
Composite material and foam prepared from the same
A composite material and a foam prepared from the composite material are provided. The composite material includes a network polymer, a fluorine-containing polymer fiber, and a reinforcement fiber. The polymer network is a crosslinking reaction product of a polymer and an oligomer, wherein the polymer is polyamide, polyester, polyurethane, or a combination thereof, and the oligomer is a vinyl aromatic-co-acrylate oligomer with an epoxy functional group. The oligomer has a weight percentage of 1% to 10%, based on the weight of the network polymer. The ratio of the weight of the reinforcement fiber to the total weight of the network polymer and the fluorine-containing polymer fiber is from 1:9 to 4:6.
Sintered Polymeric Particles For Porous Structures
Disclosed are porous elements that include sintered polymeric particles. The polymeric particles can be formed of a thermoplastic composition that includes a polyarylene sulfide. The polymeric particles sintered to form the porous elements have a very narrow size distribution. The porous elements can maintain their functionality and morphology even when utilized in high temperature applications.
Porous devices and processes for producing same
Devices and methods for making a polymer with a porous layer from a solid piece of polymer are disclosed. In various embodiments, the method includes heating a surface of a solid piece of polymer to a processing temperature and holding the processing temperature while displacing a porogen layer through the surface of the polymer to create a matrix layer of the solid polymer body comprising the polymer and the porogen layer. In at least one embodiment, the method also includes removing at least a portion of the layer of porogen from the matrix layer to create a porous layer of the solid piece of polymer.
HEAT RESISTANT AEROGEL MATERIALS
The present disclosure provides an aerogel composition which is durable and easy to handle, which has favorable performance in aqueous environments, and which also has favorable combustion and self-heating properties. Also provided is a method of preparing an aerogel composition which is durable and easy to handle, which has favorable performance in aqueous environments, and which has favorable combustion and self-heating properties. Further provided is a method of improving the hydrophobicity, the liquid water uptake, the heat of combustion, or the onset of thermal decomposition temperature of an aerogel composition.
A METHOD FOR PRODUCING AN INTRINSICALLY FOAMED POLYAMIDE AND A SHAPED ARTICLE THEREFROM
Described herein is a method for producing an intrinsically foamed polyamide and a shaped article including the intrinsically foamed polyamide.
Thermoset porous composites and methods thereof
There is provided herein thermoset porous polymer composites a methods for producing such composites. The method comprises: preparing a mixture comprising a resin, optionally a curing agent, and dry ice; optionally casting the mixture; curing the mixture to obtain the porous composite; and optionally controlling at least one of a reaction rate and an expansion rate of the mixture during the curing.
USE OF MICRO AND NANOCELLULOSE AS PERFORMANCE MODIFIERS IN FLEXIBLE POLYURETHANE FOAMS
A polyurethane foam is produced by reacting a polyol-containing composition and an isocyanate composition. The polyol-containing composition includes a petrol-based polyol at greater than or equal to about 50 parts by weight percent and cellulose reinforcements. Additionally, a soy-based polyol is also included in various polyol-containing compositions.