Cheil Industries Inc.

Byeong Do Lee

Young Sub Jin

Jae Keun Hong

Hwan Seok Park

Ho Ryong Sun

Sung Kwan Kim

Han Su Lee

So Young Kwon

Sung Sig Min

Byung Choon Lee

Chul In Lim

Il Jin Kim

Young Sik Ryu

Sung Chan Kim

Chang Do Jung

Hyung Tak Lee

Kyung Jong Lee

Jae Woo Park

Bong Sil Jang

Seung Dae Lee

Ji Won Pack

Young Don Yoo

Sa Chun Bae

A low-gloss thermoplastic resin composition that can have excellent heat resistance and weather resistance of the present invention includes (A) a thermoplastic resin forming a first dispersed phase; and (B) an acrylic resin forming a second dispersed phase, wherein the first dispersed phase has a network configuration.

Low-gloss thermoplastic resin composition having excellent heat resistance and weather resistance

Disclosed herein is a low gloss thermoplastic resin composition with a soft touch surface comprising (A) about 10 to about 80% by weight of a soft rubbery aromatic vinyl copolymer resin which comprises rubber particles with a graft ratio of about 40 to about 90% and an average particle diameter of about 6 to about 20 &#x3bc;m as a dispersed phase; (B) about 4 to about 60% by weight of a rubber-modified aromatic vinyl copolymer resin; and (C) about 5 to about 80% by weight of an aromatic vinyl-vinyl cyanide copolymer resin. The molded article molded from the thermoplastic resin composition can have a soft touch surface as well as excellent low gloss and impact strength.

Low gloss thermoplastic resin composition with soft touch surface and molded article therefrom

Disclosed herein is a thermoplastic resin composition having excellent scratch resistance and a method for preparing the same. The thermoplastic resin composition comprises (A) about 80 to about 95% by weight of a terpolymer of (meth)acrylic acid alkyl ester-aromatic vinyl-cyanide vinyl compound; and (B) about 5 to about 20% by weight of a butadiene rubber.

Thermoplastic resin composition having excellent low gloss characteristic and scratch resistance, and method for preparing the same

The present invention provides a weather resistant thermoplastic resin with low gloss and a method of preparing the same. The thermoplastic resin of the present invention comprises a (meth)acrylic acid alkyl ester-based polymer (A) and a (meth)acrylic acid alkyl ester-based oligomeric prepolymer (B), and an aromatic vinyl-cyanide vinyl based copolymer (C), wherein the (meth)acrylic acid alkyl ester-based polymer (A) and the (meth)acrylic acid alkyl ester-based oligomeric prepolymer (B) form a network-shaped disperse phase and the aromatic vinyl-cyanide vinyl based copolymer (C) forms a continuous phase.

Weatherable thermoplastic resin composition having excellent low gloss characteristic and method of preparing the same

The present invention provides a thermoplastic resin composition which comprises (A) a (meth)acrylic acid alkyl ester-based polymer forming a network-shaped disperse phase; and (B) an aromatic vinyl-cyanide vinyl based copolymer forming a continuous phase. The thermoplastic resin composition of the present invention can have an excellent low gloss characteristics while maintaining basic physical properties of a weather resistance, impact strength, thermal resistance, and delamination characteristics.

One aspect of the invention relates to a transparent rubber-modified styrenic resin composition. The resin composition comprises about 5 to about 30 parts by weight of a styrene-butadiene rubbery copolymer; and about 0 to about 15 parts by weight of a matrix resin comprising about 20 to about 40 parts by weight of styrenic monomer, about 30 to about 60 parts by weight of unsaturated carboxylic acid alkyl ester monomer and about 0 to about 15 parts by weight of vinyl cyanide monomer; wherein the difference between the refractive index of the rubbery copolymer and the matrix resin is about 0.005 or less and the transparent rubber-modified styrenic resin composition has a haze of about 5% or less as measured by a Nippon Denshoku Haze meter using a 3 mm thick test sample.

Transparent rubber modified styrene resin and method for preparing the same by continuous bulk polymerization

A block or graft copolymer including a thermoplastic resin segment and as an aliphatic polyester segment is provided. The copolymer can be used as a compatibilizer for a resin alloy comprising polylactic acid, which can reduce the consumption of petroleum raw materials.

Aliphatic polyester copolymer, method for preparing the same and polylactic acid resin composition using the same

Disclosed herein is a non-glossy rubber modified aromatic vinyl-vinyl cyanide copolymer and a method for continuously preparing the same. The copolymer comprises about 80 to about 93% by weight of an aromatic vinyl-vinyl cyanide copolymer grafted onto about 7 to about 20% by weight of a diene-based rubber, and a dispersed phase of the copolymer has an average rubber particle diameter of about 6 to about 20 &#x3bc;m and a span of about 1.2 to about 2.8.

Non-glossy rubber modified aromatic vinyl-vinyl cyanide copolymer and method for continuously preparing the same

One aspect of the invention relates to a transparent ABS resin composition having excellent impact resistance and flowability, which comprises about 10 to about 50 parts by weight of a rubber/(meth)acrylate-aromatic vinyl-unsaturated nitrile graft copolymer; about 50 to about 90 parts by weight of a thermoplastic resin matrix; and about 0.2 to about 0.5 parts by weight of a fluidizer, per 100 parts by weight of a base resin comprising the rubber/(meth)acrylate-aromatic vinyl-unsaturated nitrile graft copolymer and the thermoplastic resin matrix.

Transparent ABS resin composition having excellent impact strength and flowability

Disclosed herein is a transparent thermoplastic resin comprising a rubber phase including an aromatic rubbery block copolymer resin, and a resin phase including a terpolymer comprising an aromatic vinyl compound, a vinyl cyanide compound and an unsaturated alkyl ester compound, wherein the rubber phase and the resin phase have a co-continuous phase structure.

Transparent thermoplastic resin and method for preparing the same

A weather resistant thermoplastic resin having excellent low gloss characteristics according to the present invention comprises a (meth)acrylic acid alkyl ester-based polymer (A) and an aromatic vinyl-cyanide vinyl based copolymer (B), wherein the (meth)acrylic acid alkyl ester-based polymer (A) forms a network-shaped disperse phase, and the aromatic vinyl-cyanide vinyl based copolymer (B) forms a continuous phase. The thermoplastic resin has excellent low gloss characteristics as well as superior weatherability, impact resistance, thermal resistance, delamination characteristics, and the like.

Weather resistant thermoplastic resin having excellent low gloss characteristics and method of preparing the same

A thermoplastic resin of the present invention is prepared by copolymerizing conjugated diene rubber (A), rubbery aromatic copolymer (B), heat resistant aromatic vinyl compound (C), aromatic vinyl compound (D), unsaturated nitrile compound (E) and cross linking agent (F) and can have excellent heat resistance, impact strength, and low gloss.

Low gloss thermoplastic resin having excellent heat resistance and impact strength and method of preparing the same

Disclosed is a silicone impact modifier with a high refractive index. The silicone impact modifier can include (A) a rubber core including (a) an organosiloxane cross-linked (co)polymer with a particle size of about 50 to about 400 nm and (a) an alkylacrylate-styrenic aromatic compound cross-linked copolymer; and (B) a plastic shell including a vinyl (co)polymer. The refractive index of the silicone impact modifier of the present invention can be about 1.49 to about 1.59.

Silicone impact modifier with high refractive index and method for preparing the same

A method of preparing a styrene polymer-silica nanocomposite is disclosed. One embodiment of the method includes polymerizing about 100 parts by weight of a monomer mixture including about 50 to about 80% by weight of an aromatic monomer an about 20 to about 50% by weight of a vinyl cyanide monomer with about 0.5 to about 30 parts by weight of a colloidal silica dispersed in a first organic solvent.

Growing community of inventors

Uiwang-si, South Korea

Byeong Do Lee