A formulation includes a polymeric material, a nucleating agent, a blowing, and a surface active agent. The formulation can be used to form a container.

A foam includes a cellular structure and having a density of at most 0.50 g/cm.sup.3, where the cellular structure is provided by a solid material that includes humins. Such a foam is prepared in a process, which includes: providing a starting material containing humins; and heating the starting material to a temperature in the range of 150 to 450 C. The foam can be used in articles for a variety of applications such as substrate for plant growth, as adsorbent for treating waste water or waste gases, as support for solid catalysts, as insulation material, or packaging material.

A foamable polypropylene resin composition includes 10 parts by mass to 65 parts by mass of rubber or a thermoplastic elastomer, 18 parts by mass to 90 parts by mass of talc having a 50% particle diameter (D50) of 1 m to 3 m and surface-treated for increased dispersibility, 0.1 part by mass to 6.0 parts by mass of an organic crystal nucleating agent, and 5 parts by mass to 15 parts by mass of a foaming agent relative to 100 parts by mass of the polypropylene resin.

Provided herein are aerogels and foams including: single structural cells and/or groups of structural cells derived from a plant or fungal tissue, the single structural cells having a decellularized 3D structure lacking cellular materials and nucleic acids of plant or fungal tissue; the single structural cells and/or groups of structural cells being distributed within a carrier derived from a dehydrated, lyophilized, or freeze-dried hydrogel. Also provided herein are methods for preparing aerogels or foams, including steps of: providing a decellularized plant or fungal tissue; obtaining single structural cells and/or groups of structural cells from the decellularized plant or fungal tissue by performing mercerization; mixing or distributing the single structural cells and/or groups of structural cells in a hydrogel, to provide a mixture; and dehydrating, lyophilizing, or freeze-drying the mixture to provide the aerogel or foam. Related methods and uses are also provided.

Disclosed are an aerogel with a hierarchical pore structure formed using a pulsed laser technology, and a preparation method and use thereof. In the preparation method, a nano silicon-containing inorganic material as a freezing element, a biomass polymer as a cross-linking agent, and deionized water as a solvent are mixed and a resulting mixture is left to stand and gelatinized to obtain a hydrogel; the hydrogel is frozen to form ice crystals therein, and the ice crystals are removed by freeze-drying to obtain a micron-nano porous aerogel; the micron-nano porous aerogel is subjected to customized millimeter-scale punching using a pulsed laser to obtain an aerogel with a millimeter-micron-nano hierarchical pore structure.

Disclosed are an aerogel with a hierarchical pore structure formed using a pulsed laser technology, and a preparation method and use thereof. In the preparation method, a nano silicon-containing inorganic material as a freezing element, a biomass polymer as a cross-linking agent, and deionized water as a solvent are mixed and a resulting mixture is left to stand and gelatinized to obtain a hydrogel; the hydrogel is frozen to form ice crystals therein, and the ice crystals are removed by freeze-drying to obtain a micron-nano porous aerogel; the micron-nano porous aerogel is subjected to customized millimeter-scale punching using a pulsed laser to obtain an aerogel with a millimeter-micron-nano hierarchical pore structure.

The polyolefin resin foam sheet is a polyolefin resin foam sheet having a plurality of cells in an inside thereof, wherein the 50% compressive strength is 120 kPa or less; the MD elongation percentage is 400% or less; and the TD elongation percentage is 200% or less.

An embodiment includes a system comprising: a monolithic shape memory polymer (SMP) foam having first and second states; wherein the SMP foam includes: (a) polyurethane, (b) an inner half portion having inner reticulated cells defined by inner struts, (c) an outer half portion, having outer reticulated cells defined by outer struts, surrounding the inner portion in a plane that provides a cross-section of the SMP foam, (d) hydroxyl groups chemically bound to outer surfaces of both the inner and outer struts. Other embodiments are discussed herein.

This invention relates to compositions comprising 1,2-dichloro-1,2-difluoroethylene (i.e., CFO-1112) and an additional component. The compositions described herein may be useful, for example, in foam blowing applications.

A method of producing a polypropylene resin in-mold expanded product, includes: placing polypropylene resin particles obtained from a base material resin having a melting point of 140 C. to 150 C., the base material resin comprising: a polypropylene resin A comprising 3 weight % to 15 weight % of 1-butene and haying a melting point of 130 C. to 140 C.; and a polypropylene resin B having a melting point of 145 C. to 165 C., water, and an inorganic gas foaming agent in a pressure-resistant container, forming a mixture, dispersing the polypropylene resin particles while stirring the mixture, obtaining a dispersion liquid, increasing a temperature and a pressure in the pressure-resistant container, releasing the dispersion liquid from the pressure-resistant container into a region having a pressure lower than the pressure in the pressure-resistant container, producing expanded polypropylene resin particles; and filling a mold with the expanded polypropylene resin particles, and then heating the expanded polypropylene resin particles.