A three-dimensional object is formed by 3D printing, especially by a binder jetting method, in which particulate material in a powder bed is bonded by a printed adhesive. The particulate materials may be inorganic materials, for example sand or a metal powder, or particulate polymeric materials, for example polymethacrylates or polyamides. For this purpose, polymethacrylates may take the form, for example, of suspension polymers, called bead polymers. Powder bed compositions comprising core-(shell)-shell particles can be used for 3D printing, wherein the core-(shell)-shell particles can swell in contact with the binder during the printing operation.

Polymers including multi-stage polymers that combine the structural integrity of a polymer with a high glass transition temperature (Tg) with a softer, lower molecular weight polymer that coalesces quickly and is flexible to maintain scrubbability are disclosed. Architectural compositions containing these film-forming polymers exhibit anti-blocking properties within one hour from being applied to a substrate.

A curable resin composition comprising: a) an epoxy resin; b) an anhydride hardener; c) a polyol; d) a core shell rubber, and (e) a catalyst, is disclosed. When cure the resin composition can be used to formulate composites, coatings, laminates, and adhesives.

An adhesive composition may include, but is not limited to: at least one of an alkyl acrylate monomer and a methacrylate monomer; and at least one of a polyester alkyd polymer and a vinyl ester alkyd polymer.

The present invention relates to an acrylic processing aid and a vinyl chloride resin composition comprising the same. Specifically, the present invention relates to a core-shell structured acrylic processing aid which can play both roles as a lubricant and a processing aid at the same time by using monomers having a certain composition for the core and shell, respectively, and controlling their specific viscosity, and to a vinyl chloride resin composition comprising the same.

Provided are composite particles in which reinforcing fibers adhere to the surface of thermoplastic resin expanded beads via a thermosetting resin being in an uncured state, a cured product of the composite particles, an in-mold molded article of the composite particles, a laminate of the composite particles and a reinforcing fiber sheet material, a composite of the composite particles, and a method for producing composite particles.

The present invention relates to a weather-resistant thermoplastic resin, a thermoplastic resin composition containing the same, and a method of preparing the thermoplastic resin composition. More particular, the present invention relates to a thermoplastic resin including a) a hard core having a refractive index of 1.530 to 1.590; b) a crosslinked rubber layer that surrounds the hard core, has an average thickness of 30 to 80 nm, and is prepared by polymerizing an alkyl (meth)acrylate compound and a crosslinking agent; and c) a non-crosslinked hard shell that surrounds the crosslinked rubber layer and is prepared by polymerizing an aromatic vinyl compound and a vinyl cyanide compound, a thermoplastic resin composition including the thermoplastic resin, and a method of preparing the thermoplastic resin composition. In accordance to the present disclosure, a weather-resistant thermoplastic resin having superior rigidity and impact resistance, particularly excellent surface gloss and coloring properties, a thermoplastic resin composition containing the same, and a method of preparing the thermoplastic resin composition may be provided.

A flame retardant resin composition that can have excellent low smoke properties includes (A) a polycarbonate resin, (B) a silicon impact modifier, and (C) a flame retardant, wherein the (B) silicon impact modifier comprises particles having a core-shell structure, and including about 60 wt % or more of a siloxane polymer, and wherein the (C) flame retardant includes a mixture of magnesium carbonate represented by Formula 1 and magnesium calcium carbonate represented by Formula 2:

Mg.sub.a(CO.sub.3).sub.b(OH).sub.2a−2b.cH.sub.2O   [Formula 1] wherein a, b and c are as defined in the detailed description;

Mg.sub.xCa.sub.y(CO.sub.3).sub.x+y.mH.sub.2O   [Formula 2] wherein x, y and m are as defined in the detailed description.

A composite polymer composition comprising: the emulsion polymerization product of: (i) an aqueous polyolefin dispersion comprising the melt kneading product of one or more polyolefins, from 0.5 to 25 wt % of one or more dispersion stabilizing agents and water, and (ii) one or more (meth)acrylic monomers; wherein the one or more polyolefins have a Tg equal to or less than 50° C.; wherein the melt kneading product (i) comprises polymer particles having a volume average particle size between 50 nm and 2000 nm dispersed in the water; wherein the one or more dispersion stabilizing agents comprises a fatty acid or fatty acid salt stabilizing agent; and wherein the one or more (meth)acrylic monomers graft onto the polymer particles form composite polymer particles is provide. Also provided is a method of making the composition and impact modifiers comprising the composition.

Disclosed are: a polyalkylene terephthalate resin composition comprising (A) a polyalkylene terephthalate resin and (B) an acrylic-based core-shell polymer which has an average particle size of 2 μm or greater and in which an amount of the core layer component is more than 80% by mass but less than 100% by mass relative to a total mass of the core layer component and a shell layer component; and a molded article which is obtained by molding the polyalkylene terephthalate resin composition.