A biopolymer composite of the invention comprising a) an alginate salt, b) chitosan, c) a plasticizer, d) a compatibilizer, and e) a thermoplastic polymer, wherein the alginate salt, the chitosan, the plasticizer and the compatibilizer are dispersed in a matrix of the thermoplastic polymer, is provide. A method, a masterbatch and a kit producing the biopolymer composite are also provided. Finally, articles comprising the biopolymer composite are provided.

A composition for foam molding including: a component (A): an olefin-based polymer; a component (B): a styrene block copolymer having no chemical-bond cross-linking moiety; a component (C): a process oil; and a component (D): a foaming agent, wherein a content of the component (A) relative to a total mass of the component (A) and the component (B) is 5 to 36% by mass, and a content of the component (C) relative to 100 parts by mass of the total mass of the component (A) and the component (B) is 160 to 350 parts by mass.

A shoe midsole composed of a foamed peroxide-crosslinked polyolefin elastomer includes a silane-grafted polyolefin component, an elastomeric component, and additives dispersed in the foamed peroxide-crosslinked polyolefin elastomer. The elastomer component includes one or more elastomeric polymers selected from the group consisting of ethylene vinyl acetate copolymer, polyolefin elastomers, olefin block copolymer, polyoctenamer, anhydride modified ethylene copolymers, ethylene propylene diene terpolymer, and combinations thereof. The silane-grafted polyolefin component and elastomer component are crosslinked with C—C bonds. Advantageously, the foamed peroxide-crosslinked polyolefin elastomer is substantially free of silane crosslinking as formed and substantially free of water. Characteristically, the additives and one or more elastomeric polymers are in sufficient amount that a melting temperature of crystalline regions in the foamed peroxide-crosslinked polyolefin elastomer is greater than 100° C. as measured by differential scanning calorimeter thermographs.

A shoe midsole composed of a foamed peroxide-crosslinked polyolefin elastomer includes a silane-grafted polyolefin component and an elastomer component. The elastomer component includes ethylene vinyl acetate copolymer and a component selected from the group consisting of polyolefin elastomers, anhydride modified ethylene copolymers, and combinations thereof. The silane-grafted polyolefin component is crosslinked to the elastomer component with C-C bonds. The foamed peroxide-crosslinked polyolefin elastomer includes a plurality of closed cells. Characteristically, the foamed peroxide-crosslinked polyolefin elastomer is substantially free of silane crosslinking as formed and substantially free of water.

A fibrous cellulose composite resin excellent in strength, and a method for producing the same. The fibrous cellulose composite resin includes microfiber cellulose, a resin, and an acid-modified resin, wherein the microfiber cellulose has hydroxyl groups, which are substituted with carbamate groups, and has been washed and defibrated into an average fiber width of 0.1 μm or larger, in which the amount of the byproduct is 10% or less per 100 parts by mass of a carbamate-modified cellulose. The production method includes heat-treating a cellulose raw material and urea to obtain a carbamate-modified cellulose, washing the carbamate-modified cellulose, defibrating the carbamate-modified cellulose to obtain a dispersion of carbamate-modified microfiber cellulose having an average fiber width of 0.1 μm or larger, mixing the dispersion and an acid-modified resin to obtain a material containing carbamate-modified microfiber cellulose, and kneading the material with a resin to obtain a composite resin.

The present disclosure provides a foamable composition containing (A) a high density polyethylene (HDPE); (B) a low density polyethylene (LDPE); (C) a peroxide-modified HDPE; and (D) a nucleator. The present disclosure also provides a process for making a foam composition. Additionally, the present disclosure provides a foam formed from a foamable composition, and a cable with an insulation layer containing the foam.

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.

An interdental cleaning tool (1) that includes a base (10) that has a shaft (20) shaped to be capable of being inserted between teeth, the base (10) being formed from a composite material that contains a synthetic resin, a reinforcement containing glass, and a copolymer having, as structural units, a polyolefin and an anhydride of an unsaturated carboxylic acid.

The flame retardant foam is a molded form of a mixture containing at least a cellulose containing powder, a hydrophilic polymer, a foamable thermoplastic resin, a flame retardant, and water. The mixture contains at least one of tricalcium phosphate or silica as a dispersant.

Disclosed is a thermoplastic resin composition designed to, even when containing a filler, reduce a trade-off between stiffness and impact resistance to achieve a balance between impact resistance and stiffness, a method for producing the same, and a molded body. The thermoplastic resin composition is obtained by blending a polyolefin resin, a polyamide resin containing an inorganic filler, and a modified elastomer having a reactive group that reacts with the polyamide resin, wherein the polyolefin resin has a number-average molecular weight of 350,000 or more, and the polyamide resin has a structure in which a hydrocarbon group interposed between adjacent amide bonds in a main chain has 5 or less straight chain carbon atoms. The molded body is composed of the thermoplastic resin composition. The method for producing the thermoplastic resin composition includes melt-kneading a polyolefin resin and a melt-kneaded product of a polyamide resin and a modified elastomer.