A latex composition for dip molding including a latex of a conjugated diene polymer (A) having a methyl ethyl ketone insolubles content of 50% by weight or less, and a latex of a polymer (B) having a methyl ethyl ketone insolubles content of 55% by weight or more.

A latex composition for dip molding including a latex of a conjugated diene polymer (A) having a methyl ethyl ketone insolubles content of 50% by weight or less, and a latex of a polymer (B) having a methyl ethyl ketone insolubles content of 55% by weight or more.

An object is to provide a foamable aerosol composition that can be continuously ejected from the container to form dense and uniform foam, and that the formed foam has certain elasticity as well as can be easily spread on an object, and the foamable aerosol composition comprises a stock solution including cellulose nanofibers and a propellant is provided.

Raw material grains according to the present invention comprise, as components, 40 to 60% plant fiber powder, 20 to 30% starch, 10 to 20% vegetable gum powder obtained by fermenting starch, 2 to 15% water-soluble polymer glue, and 1 to 10% water-soluble cellulose derivative. The production process thereof primarily includes: a step of appropriately adjusting blending ratios in accordance with the production method, rotating and kneading for 10-40 minutes the fiber powder, starch, and vegetable gum powder, each in a separate kneader, and then batch stirring and kneading all of the blending components in a fourth kneader to thereby obtain a raw material; and a step of subsequently molding the mixed raw material into a plurality of strands in a molding device, cutting the strands into granular raw material grains via a cutting unit, cooling the raw material grains, and then packaging a raw material grain product.

Raw material grains according to the present invention comprise, as components, 40 to 60% plant fiber powder, 20 to 30% starch, 10 to 20% vegetable gum powder obtained by fermenting starch, 2 to 15% water-soluble polymer glue, and 1 to 10% water-soluble cellulose derivative. The production process thereof primarily includes: a step of appropriately adjusting blending ratios in accordance with the production method, rotating and kneading for 10-40 minutes the fiber powder, starch, and vegetable gum powder, each in a separate kneader, and then batch stirring and kneading all of the blending components in a fourth kneader to thereby obtain a raw material; and a step of subsequently molding the mixed raw material into a plurality of strands in a molding device, cutting the strands into granular raw material grains via a cutting unit, cooling the raw material grains, and then packaging a raw material grain product.

A composite particle for an electrochemical element including an electrode active material and a granular polymer, wherein the granular polymer is composed of a graft polymer, the graft polymer has a molecular structure which includes a specific backbone portion and a graft portion bonded to the backbone portion, the graft portion being a hydrophilic graft chain, a content ratio of the graft portion in the graft polymer is 1 part by weight or more and 40 parts by weight or less relative to 100 parts by weight of the backbone portion, and an angle of repose of the composite particle is 20° to 40°. Also provided are a producing method of the composite particle, an electrode for an electrochemical element including the composite particle, and an electrochemical element including the same.

The invention relates to a bio-based polyelectrolyte complex (PEC) composition suitable as a binder for fiber based materials, textiles, woven and nonwoven materials, said PEC composition comprising cationic biopolymer, anionic biopolymer, acid and a preservative, and wherein the net charge of the PEC is cationic, the charge ratio of the anionic polymer and the cationic polymer is ≤1, the cationic biopolymer is chitosan, the anionic biopolymer is a polyanion derived from nature, the acid is a Brønsted acid and/or a Lewis acid, wherein the Brønsted acid is selected from any organic and/or inorganic acids, and wherein the Lewis acid is selected from any cationic mono- or multivalent atom, the weight ratio between cation and anion is 1:0.1 to 1:20, the weight ratio between the cation and acid is 1:0.01 to 1:30, chitosan has a degree of deacetylation being 66-100%, the pH is less than 7, and wherein said composition further comprises one or more fatty compounds as well as methods and use thereof. The present invention further relates to a method for preparing the PEC composition, uses of the PEC composition, as well as method of treating materials with the PEC composition.

The invention relates to a bio-based polyelectrolyte complex (PEC) composition suitable as a binder for fiber based materials, textiles, woven and nonwoven materials, said PEC composition comprising cationic biopolymer, anionic biopolymer, acid and a preservative, and wherein the net charge of the PEC is cationic, the charge ratio of the anionic polymer and the cationic polymer is ≤1, the cationic biopolymer is chitosan, the anionic biopolymer is a polyanion derived from nature, the acid is a Brønsted acid and/or a Lewis acid, wherein the Brønsted acid is selected from any organic and/or inorganic acids, and wherein the Lewis acid is selected from any cationic mono- or multivalent atom, the weight ratio between cation and anion is 1:0.1 to 1:20, the weight ratio between the cation and acid is 1:0.01 to 1:30, chitosan has a degree of deacetylation being 66-100%, the pH is less than 7, and wherein said composition further comprises one or more fatty compounds as well as methods and use thereof. The present invention further relates to a method for preparing the PEC composition, uses of the PEC composition, as well as method of treating materials with the PEC composition.

The present invention provides compositions, and related kits and methods, for formation of hydrogels. The compositions comprise one or more chemically crosslinkable agents dissolved in an aqueous solution to form a precursor solution. The chemically crosslinkable agents useful in the present invention are selected from polymers modified with a molecule selected from acrylate, maleimide, vinylsulfone, N-hydroxysuccinimide, aldehyde, ketone, carbodiimide, carbonate, iodoacetyl, mercaptonicotinamide, quinone, thiol, amine, and combinations thereof. The precursor solution is characterized as being in an aqueous form at a non-physiologic physical-chemical condition and undergoing gelation when in contact with another fluid or body at a physiologic physical-chemical condition.

A rubber additive composition may be capable of producing a rubber composition having well-balanced strength. Such rubber additive compositions may include: (A) anion-modified cellulose and (B) a hydrophobizing agent, wherein the hydrophobizing agent (B) includes at least one selected from the group consisting of (B1) a polyether amine having a primary amino group at an end of a polyether skeleton and (B2) an amine compound having a hydrocarbon group with a carbon number of 3 to 50 or a quaternary ammonium salt having a hydrocarbon group with a carbon number of 3 to 50.