C08L2205/00

Particles comprising marking additives for selective laser sintering-based additive manufacturing systems
12103237 · 2024-10-01 · ·

A particle and a method for producing the same is disclosed. For example, the particle includes a polymer resin that is compatible with a three-dimensional (3D) printing process to print a three-dimensional (3D) object and a marking additive that allows selective portions of the 3D object to change color when exposed to a light, wherein the marking additive is added to approximately 0.01 to 25.00 weight percent (wt %).

Acrylic dispersion-based coating compositions

Coating compositions and methods for their preparation are described. The coating compositions can include a first copolymer produced by emulsion polymerization and derived from one or more monomers including one or more (meth)acrylates, one or more acid monomers, and optionally styrene. The first copolymer can have a Tg from 50 C. to 23 C. and is present in an amount of 10-50% by weight based on the total polymer content. The coating compositions can also include a second copolymer produced by emulsion polymerization and derived from one or more monomers including one or more (meth)acrylates, one or more acid monomers, and optionally styrene. The second copolymer can have a Tg from 15 C. to 25 C. and is present in an amount of 50-90% by weight based on the total polymer content. Further described herein are dried coatings, methods for coating a substrate, and methods for producing a coating.

Toner
10012917 · 2018-07-03 · ·

There is provided a toner comprising a binder resin, a wax, a charge control resin and a colorant. As a result of gas chromatography analysis, a first total amount of components detected in a range of a peak detecting time of hydrocarbons having 5 to 9 carbons is 500 ppm or less in terms of styrene; a second total amount of components detected in a range of a peak detecting time of hydrocarbons having 10 to 18 carbons is 5,000 ppm or less in terms of styrene; and an amount of a component corresponding to a maximum peak of peaks of hydrocarbons having 10 to 18 carbons is 3,000 ppm or less in terms of styrene.

TIRE INCORPORATING A RUBBER COMPOSITION INCLUDING A SPECIFIC HYDROCARBON RESIN

Described herein are tires comprising a rubber composition based on at least an elastomer matrix comprising at least one copolymer of butadiene and of vinylaromatic monomer and a hydrocarbon resin. The hydrocarbon resin is based on a cyclic monomer selected from the group consisting of a distillation cut from a petroleum refinery stream, C.sub.4, C.sub.5 and C.sub.6 cyclic olefins and mixtures thereof. The hydrocarbon resin has a content of aromatic protons (H Ar, expressed in mol %), a glass transition temperature (Tg, expressed in C.), and a number average molecular weight (Mn, expressed in g/mol) that are represented by (1) 12 mol %H Ar19 mol %, (2) Tg952.2*(H Ar), (3) Tg53+(0.265*Mn) and (4) 300 g/molMn450 g/mol.

CLEAR AND IMPACT RESISTANT POLYMER COMPOSITION AND FABRICATED ARTICLE

A polymer composition providing optical clarity and impact resistance includes from about 40 weight percent (wt. %) to about 99.9 wt. % (e.g., 50-95 wt. %) of a continuous matrix, and from about 0.01 wt. % to about 60 wt. % (e.g., 5-50 wt. %) of a dispersed phase. The weight percentages of the matrix phase and the dispersed phase are based on the total weight of the matrix phase and the dispersed phase. The matrix phase may comprise a polypropylene polymer comprising from 0 to 7 mole percent (mol. %) of units derived from ethylene, a C.sub.4-C.sub.10 alpha olefin or combinations thereof. The dispersed phases may be a propylene/alpha olefin copolymer having from 10 mol. % to 70 mol. % of units derived from ethylene or a C.sub.4-C.sub.10 alpha olefin or combinations thereof.

Three-dimensional printing

An example of a three-dimensional (3D) build material composition includes from about 70 wt % to about 95 wt % of polyamide particles, based upon a total weight of the build material composition; and from about 5 wt % to about 30 wt % of biodegradable polyester filler particles, based upon the total weight of the build material composition. The biodegradable polyester filler particles are present in the build material composition without any additional filler particles.