C08J3/124

Free-flowing solid encapsulated drag reducing additives

A process of manufacturing a free-flowing solid encapsulated drag reducing additive comprises: forming a solid drag reducing additive from one or more C.sub.5-20 olefin monomers; dispersing the solid drag reducing additive in a liquid medium to form a dispersion, the liquid medium comprising an encapsulant and a non-solvent; grinding the solid drag reducing additive in the liquid medium under non-cryogenic grinding conditions to form an encapsulated drag reducing additive in a particulate form; and removing the non-solvent by a drying technique including spray drying, flash drying, or rotating disc drying to form the free-flowing solid encapsulated drag reducing additive.

RESIN POWDER, RESIN POWDER FOR PRODUCING THREE-DIMENSIONAL OBJECT, AND THREE-DIMENSIONAL OBJECT PRODUCING METHOD

Provided is a resin powder including first particles containing a polyolefin-based resin, wherein surfaces of the first particles are coated with second particles at an average coating ratio of 0.15 or greater, where the average coating ratio is measured with a Material Development Kit (MDK) at a temperature lower than a melting point of the resin powder for producing a three-dimensional object by 15 degrees C.

INHIBITING CALCIUM CARBONATE ADDITIVE
20210179814 · 2021-06-17 ·

The use of inhibitory calcium carbonate as additive for a composition containing at least one polymer different from cellulose, wherein the inhibitory calcium carbonate is obtainable by means of a method in which calcium carbonate particles are coated with a composition comprising, based on its total weight, at least 0.1% by weight of at least one weak acid.

Further described is a composition containing at least one polymer different from cellulose and inhibitory calcium carbonate, wherein the inhibitory calcium carbonate is obtainable by means of a method in which calcium carbonate particles are coated with a composition comprising, based on its total weight, at least 0.1% by weight of at least one weak acid.

Preferred application areas of the composition encompass its use in food packaging, in products for agriculture and horticulture, in catering articles, in office articles, in medical technology products, in composites and/or in 3D-printing methods.

Superabsorbent polymer and method for preparing the same
11034802 · 2021-06-15 · ·

The superabsorbent polymer has absorption under pressure/under no pressure, permeability, and absorption speed that are suitable for the application in thin hygienic goods, and simultaneously, inhibits the generation of dust in the preparation process of hygienic goods and does not exhibit blocking in the preparation process of the superabsorbent polymer.

Powder Composition For Three-Dimensional Printing Containing A Polyoxymethylene Polymer
20210179846 · 2021-06-17 ·

A polymer composition containing a polyoxymethylene polymer having low shrinkage characteristics and/or an expanded processing window is disclosed. The polymer composition is in the form of a powder containing particles having a controlled particle size and particle size distribution. The powder is formulated so as to be used in a three-dimensional printing system, such as a fused bed process.

ULTRA PURE RUBBER AND METHOD THEREOF
20210122857 · 2021-04-29 ·

The invention relates to an efficient process for the preparation and isolation of rubber particles formed in aqueous media and highly pure rubbers obtained thereby. The invention further relates to copolymer products comprising the same or derived therefrom.

Method for manufacturing rubber-reinforced styrenic resin powder and rubber-reinforced styrenic resin powder
11845825 · 2023-12-19 · ·

A method for manufacturing a rubber-reinforced styrenic resin powder comprising 40% by mass or more of a rubbery polymer, satisfying the following conditions (1) to (4): (1) at least first and second coagulation baths are provided; (2) the first and second coagulation baths are connected; (3) an emulsified dispersion of fatty acid amide is supplied to the connecting part in an amount of 0.2 parts by mass to 2.0 parts by mass (solid content) with respect to 100 parts by mass (solid content) of a slurry; and (4) a temperature in the second coagulation bath is equal to or higher than a temperature in the first coagulation bath.

METHOD FOR PRODUCING ACRYLIC BLOCK COPOLYMER PELLETS
20210115197 · 2021-04-22 · ·

Pellets of an acrylic block copolymer are provided which are imparted with sufficient antiblocking properties without deterioration in the outstanding performance of the acrylic block copolymer such as transparency. A method for producing pellets (D) including an acrylic block copolymer (A) includes bringing raw pellets of an acrylic block copolymer (A) into contact with an aqueous dispersion (C) containing acrylic resin particles (B) and no surfactants, the acrylic block copolymer (A) including at least one polymer block (a1) including acrylic acid alkyl ester units and at least one polymer block (a2) including methacrylic acid alkyl ester units, and removing water attached to the pellets.

METHODS AND SYSTEMS TO RAPIDLY HYDRATE DRY POLYACRYLAMIDES POLYMERS IN A CHEMICAL DELIVERY MATRIX
20210122963 · 2021-04-29 ·

A composition comprising a water-soluble powder that is agglomerated by a water-soluble wax, which is then allowed to cool and re-solidify to product clusters of the water-soluble powder.

Surface additive for three-dimensional polymeric printing powders

A composition including a three-dimensional polymeric printing powder; an organic polymeric additive on at least a portion of an external surface of the three-dimensional polymeric printing powder; wherein the organic polymeric additive is optionally cross-linked; and optionally, an inorganic additive on at least a portion of an external surface of the three-dimensional polymeric printing powder. A process for preparing a three-dimensional polymeric printing powder having an organic polymeric additive disposed thereon. A process for employing the three-dimensional polymeric printing powder including selective laser sintering.