A method for manufacturing a modified porous composite structure includes steps as follows. A functionalized melamine sponge is provided, a porous organic framework source is provided, a connecting step is conducted, and a modifying step is conducted. The porous organic framework source includes a porous organic framework or a precursor of the porous organic framework. The porous organic framework and the precursor of the porous organic framework include a plurality of first ligands. Each first ligand includes at least one tetrazine group. In the connecting step, the functionalized melamine sponge is combined with the porous organic framework, so that a porous composite structure is obtained. In the modifying step, a reactive group of a modifying group donor is reacted with the tetrazine group, so that a modifying group of the modifying group donor is connected to the porous composite structure to obtain the modified porous composite structure.

The invention is directed to a complex, including: a porous composite carrier including: a porous organic foam material containing open pores, each pore comprising a wall defining the pore; and a crosslinked product having aldehyde groups and immobilized on the surface of the walls of one or more pores of the porous organic foam materials, and a protein, polypeptide, or oligopeptide immobilized onto the porous composite carrier through a reaction between an amino group of the protein, polypeptide or oligopeptide and an aldehyde group of the composite carrier. The immobilized product has high specific surface area and high specific activity. The immobilization is simple and in low cost, and is suitable for industrial application.

An eraser includes: a base material including a plasticizer and at least one of a resin component or an elastomer component; and a porous foam made of a resin and impregnated with the resin base material, and the plasticizer has an SP value of 8.3 or more and 10 or less.

A variety of superhyrdophobic porous materials are provided including a covalent organic framework having a plurality of perfluoroalkyl or perfluorheteroalkyl moieties covalently attached thereto. The materials can include a polymeric foam matrix made of a three-dimensional network of polymer fibers, and the covalent organic framework can be made encasing at least a portion of the polymer fibers. The covalent organic framework can be intertwined within the polymeric foam matrix such that the covalent organic framework encasing the portion of the polymer fibers is stable to mechanical compression of the polymeric foam matrix. Surfaces and other articles are provided including the superhyrdophobic porous materials are also provided, as are methods of making the superhyrdophobic porous materials, and methods of use for oil recovery among other things.

Non-woven fiberglass veils, and laminates made therefrom, comprising: a plurality of glass fibers; a resin component; a fire-retardant component; and a particulate component, the particulate component comprising inorganic particles having a refractive index higher than a refractive index of the fire-retardant component and an average particle size of from about 0.1 to about 0.5 m; wherein the fire-retardant component and the particulate component are present in a combined amount of from about 50% to about 90% by weight, based on the total weight of the veil, and wherein the fire-retardant component and the particulate component are present in a ratio by weight of from about 95:5 to about 50:50; are described.

A melamine/formaldehyde foam having an open-cell foam structure, with an impregnation applied to the foam structure that comprises at least one particulate phyllosilicate surface-modified with aminosilane and at least one anionically- and/or nonionically-stabilized polyurethane dispersion.

Described herein is a process for preparing a foam (FA) with a Poisson's ratio in the range of from 0.5 to 0.3, the method including the steps of providing a foam (F1) with a flow resistance in the range of from 3000 to 8000 Pas/m, determined according to DIN EN 29053, and subjecting the foam (F1) to thermoforming including triaxial compression, wherein the foam (F1) is not reticulated prior to step (ii). Also described herein is the foam obtained or obtainable according to the process and the use of the foam as, for example, an energy absorbing device, preferably in protective gear, furniture, cushions, in cleaning devices with improved rinse-out behavior, in shoe soles, or as sealing, insulating or anchorage providing material for example used in earphones, ear plugs or dowels, or as acoustic material.

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.

The present disclosure pertains to the technical field of resin composite materials and more particularly relates to resin compositions and articles made therefrom, including a resin film, a prepreg, a laminate or a printed circuit board, wherein the resin composition comprises a phosphorus-containing flame retardant of Formula (I) and a prepolymerized resin prepared at least from a divinylbenzene compound, an allyl resin and an acrylate resin. The resin compositions may be further used to make a resin film, a prepreg, a laminate or a printed circuit board, which has the properties of absence of branch-like pattern on laminate surface, high glass transition temperature, low ratio of thermal expansion, and high copper foil peeling strength.

A method of manufacturing a laminate comprises providing a binder impregnated core layer by impregnating at least one fibrous layer with an aqueous core binder solution having a viscocity in the range 75 cP to 500 cP at a temperature of 20 C. and a bake-out solid content in the range 40 wt % to 85 wt %, in which the aqueous core binder solution comprises (i) at least 25% by dry weight of a) reducing sugar reactant(s) and nitrogen-containing reactant(s) and/or b) curable reaction product(s) of reducing sugar reactant(s) and nitrogen-containing reactant(s); and (ii) between 5% and 15% by weight of a non-aqueous solvent based on the total weight of the aqueous binder solution; providing a semi-finished assembly by assembling the binder impregnated core layer with a surface layer; and applying heat and pressure to the semi-finished assembly to cure the binder in the binder impregnated core layer and secure the core layer and the surface layer together.