C08J2201/0504

Resin foam composition and foam, and wallpaper
11161953 · 2021-11-02 · ·

A resin foam composition comprises, at least, a resin emulsion and cellulose nanofibers.

Method for producing porous particles by means of a hybrid process of atomisation via drying-cooling

The invention relates to a method for producing particles with pore structures, by means of a hybrid process of atomization via drying-cooling, from a water-in-oil-type emulsion of a composition of a non-solubilized and in melt state matrix. The production method comprises: i) forming a water-in-oil-type emulsion consisting of a composition of a solvent that is aqueous or soluble in water (dispersed phase) and a composition of a non-solubilized and in melt state matrix (continuous phase); ii) forming discrete particles from the emulsion via atomization, using a flow of gas at high pressure and temperature; iii) immediately removing the solvent via evaporation; and iv) subsequently cooling the formed discrete particles, resulting in porous particles that are substantially free from solvents.

Method for preparing super absorbent polymer

The method for preparing a super absorbent polymer according to the present disclosure reduces the generating amount of a fine powder while realizing the same particle size distribution in the process of pulverizing the dried polymer, thereby reducing the load of the fine powder reassembly, drying, pulverizing and classifying steps.

BIO-BASED CARBON FOAM
20230357527 · 2023-11-09 · ·

The present invention relates to bio-based carbon foams, a method for their manufacturing and their use. The method comprises foaming a slurry of cellulose fibres to obtain a cellulose fibre foam, adding a biomass component to the foam, and carbonization of the biomass-cellulose fibre foam.

ELECTRICALLY CONDUCTIVE HYDROGEL HAVING GRAPHENE NETWORK AND FABRICATION METHOD THEREFOR

Disclosed are an electrically conductive hydrogel having a graphene network and a method for fabricating the same. The electrically conductive hydrogel is fabricated by thermal annealing of granular hydrogel, and thus it has a porous structure, excellent electrical conductivity, and improved compressive modulus and yield stress. Accordingly, the electrically conductive hydrogel may be advantageously used in biomedical applications, such as scaffolds for tissue engineering, bioelectrodes, and biosensors.

Method for producing porous silicone sheet, frozen body, and porous silicone sheet rolled-body
11820114 · 2023-11-21 · ·

The present invention provides a method for producing a porous silicone sheet comprising a freezing step of freezing a wet gel of a porous silicone body having communicating pores and a three-dimensional network silicone skeleton which forms the pores and which is formed by a copolymerization of a bifunctional alkoxysilane and a trifunctional alkoxysilane, to obtain a frozen body, a sheet forming step of forming the frozen body into a sheet to obtain a porous silicone sheet, and a cleaning step of cleaning the porous silicone sheet. According to the method of the present invention, a porous silicone body from which impurities have been sufficiently removed can be produced. In the course of the production, occurrence of fracture of a wet gel can be effectively prevented.

A Bitumen Additive Comprising an Aqueous Wax Dispersion and Its Use to Obtain a Foamed Bitumen

The invention relates to a bitumen additive comprising a wax dispersed in water, the water being in the continuous phase and the wax in the dispersed phase; the wax comprising a Fischer-Tropsch wax and one or more hydrocarbon waxes selected from the group comprising petroleum-based waxes, polyolefin waxes, or mixtures thereof; and an emulsifier. The invention extends to a method to produce a foamed bitumen composition by adding a bitumen additive to a bitumen feedstock in a bitumen foaming device to produce the foamed bitumen, and to a method to produce an asphalt mix by adding a bitumen feedstock and a bitumen additive to an aggregate in an asphalt mixer to produce the asphalt mix.

POROUS FILM AND METHOD FOR MANUFACTURING THE SAME
20230383072 · 2023-11-30 ·

A porous film and a method for manufacturing the same are provided. The method includes: using a ternary mixed solvent to dissolve a structural material selected from the group consisting of nitrocellulose, polyvinylidene fluoride, polysulfone, and any combination thereof and an auxiliary structural material selected from the group consisting of cellulose acetate, polylactic acid, poly(lactic-co-glycolic acid), poly-(D)glucosamine, and any combination thereof, so as to obtain a mixed solution; adding water into the mixed solution to obtain a film-forming solution; coating the film-forming solution onto a carrier substrate to form a wet film; and vaporizing the ternary mixed solvent and the water to form the porous film on the carrier substrate. The ternary mixed solvent, based on a total weight thereof being 100 phr, includes 28 phr to 38 phr of ethanol, 25 phr to 42 phr of isopropanol, and 25 phr to 40 phr of acetone.

FIBER-REINFORCED ORGANIC POLYMER AEROGEL

A fiber-reinforced aerogel is disclosed. The aerogel can include a porous organic polymer matrix and fibers included in the porous organic polymer matrix. The aerogel can include a thermal conductivity of less than or equal to 60 mWIm.Math.K at a temperature of 20° C., at least a bimodal pore size distribution with a first mode of pores having an average pore size of less than or equal to 50 nanometers (nm) and a second mode of pores having an average pore size of greater than 50 nm, and a planar shape having a thickness of 5 millimeters (mm) or less and is capable of being rolled up into a roll, wherein the fibers form a woven fiber matrix.