US 8,999,199 B2 · Artificial marble having natural textures and luminescent patterns and method of preparing the same

Abstract

An artificial marble includes unsaturated polyester resin (A), compound including silica (B), and luminescent pigment (C). An artificial marble according to a second embodiment includes about 70 to about 95% by weight of a non-luminescent base material (I) comprising unsaturated polyester resin (A), compound including silica (B), and organic/inorganic pigment (C) and about 5 to about 30% by weight of a luminescent amorphous pattern part (II) comprising unsaturated polyester resin (A), compound including silica (B), and luminescent pigment (D). An artificial marble according to a third embodiment includes unsaturated polyester resin (A), compound including silica (B), and amorphous luminescent chip (C).

Claims17

Dependent claims

An artificial marble comprising (A) about 7 to about 10% by weight unsaturated polyester resin, (B) about 85 to about 91% by weight compound including silica, and (C) about 2 to about 5% by weight luminescent pigment,

wherein the compound including silica (B) comprises natural stone particle (B1) in an amount of about 50 to about 80% by weight and inorganic filler (B2) in an amount of about 20 to about 50% by weight,
wherein the average particle diameter of the natural stone particle (B1) is from about 0.1 to about 9.0 mm,
wherein the average particle size of the inorganic filler (B2) is less than about 20 μm,
wherein the natural stone particle (B1) comprises silica sand (b1) in an amount of about 15 to about 93% by weight and quartz chip (b12) in an amount of about 7 to about 85% by weight,
wherein the artificial marble has a maximum brightness of more than about 110 mcd/m2, and wherein the artificial marble maintains a brightness of more than about 7 mcd/m2 for more than one hour.

2 more elements

An artificial marble comprising about 70 to about 95% by weight of a non-luminescent base material (I) comprising unsaturated polyester resin (A), compound including silica (B), and organic pigment, inorganic pigment, or a combination thereof (C);

and about 5 to about 30% by weight of a luminescent amorphous pattern part (II) comprising unsaturated polyester resin (A), compound including silica (B), and luminescent pigment (D);
wherein the artificial marble has a total surface area and wherein the amorphous pattern part (II) comprises about 5 to about 30% of the total surface area of the artificial marble.

A method of preparing artificial marble comprising the steps of:

preparing a non-luminescent resin composition (I″) by mixing unsaturated polyester resin (A), compound including silica (B), and organic pigment, inorganic pigment, or a combination thereof (C);
preparing a luminescent resin composition (II′) by mixing unsaturated polyester resin (A), compound including silica (B), and luminescent pigment (D);
preparing a composition (III) by mixing about 70 to about 95% by weight of the non-luminescent resin composition (I″) and about 5 to about 30% by weight of the luminescent resin composition (II′);
and
compression molding the composition (III) to form the artificial marble.

2 more elements

Dependencies are inferred from the claim text.

Artificial marble having natural textures and luminescent patterns and method of preparing the same

Life of this patent

Artificial marble having natural textures and luminescent patterns and method of preparing the same

Life of this patent

Abstract

Claims17