Lg Chem, Ltd

Lucky Limited

Hyundai Mobis Co., Ltd.

Jong Kuk Choi

Jae C Lee

Jong S Sa

Sang Ho Lee

Sung Ho Lee

Soo Min Lee

Nam Jib Park

Jin H Cho

Sung Hwan Lim

Sung J Jo

In B Jhung

Tae H Heo

In B Chung

Byoung W Suh

Yong Chan Kim

Sung Tae Ahn

Myeung Il Kim

Eung Soo Kim

Min Ji Kim

Yong Gi Chun

Ryul Lee

Hyeon Don Kim

Su Kyoung Lee

Sang Wook Na

Jae Joon Chang

Se Yeong Ju

Dae Young Ok

Dae Yong Ok

Yong Chun

The present invention relates to a modified poly(arylene ether) resin composition. More particularly, the present invention relates to a modified poly(arylene ether) resin composition including 10 to 40% by weight of a poly(arylene ether) resin, 30 to 70% by weight of a polyamide resin, 1 to 20% by weight of a polyolefin based resin, 1 to 10% by weight of a compatibilizer, and 1 to 20% by weight of an impact modifier, and a molded article manufactured using the same. The modified poly(arylene ether) resin composition according to the present invention exhibits reduction of property change due to moisture and provides low specific gravity and superior impact strength, heat resistance, and property balance.

Modified poly(arylene ether) resin composition and molded article produced thereof

A modified poly(arylene ether) resin composition includes a mixed resin that includes a poly(arylene ether) resin, a styrene-based resin and a polyolefin resin; a flame retardant; and mineral oil. A weight-average molecular weight of the mineral oil is 460 to 1,000 g/mol. A wire is manufactured using the modified poly(arylene ether) resin composition.

Modified poly(arylene ether) resin composition comprising mineral oil and wire prepared by the composition

Disclosed are a flame retardant thermoplastic resin composition suitable for preparing an electric wire, etc. by enhancing extrudability of a resin composition without hindering flame retardancy of the resin composition, and an electric wire comprising the same. The flame retardant thermoplastic resin composition comprises a matrix resin that comprises 20% to 40% by weight of a poly arylene ether resin, 20% to 40% by weight of a vinyl aromatic resin and 5% to 17% by weight of a polypropylene resin comprising a rubber ingredient, and 10% to 30% by weight of a flame retardant, based on a total weight of the resin composition.

Flame retardant thermoplastic resin composition and electric wire comprising the same

Disclosed are a fire retardant thermoplastic resin composition suitable for preparing an electric wire, etc. by enhancing extrudability of a resin composition without hindering fire retardancy of the resin composition, and an electric wire comprising the same. The fire retardant thermoplastic resin composition comprises a matrix resin that comprises 20 to 35% by weight of a poly arylene ether resin, 20 to 35% by weight of a vinyl aromatic resin and 5 to 20% by weight of an olefin-based resin comprising a rubber ingredient, 1 to 10% by weight of a room-temperature liquid-type fire retardant, and 8 to 20% by weight of an ancillary fire retardant, based on 100% by weight of a mixture of a poly arylene ether resin, a vinyl aromatic resin, an olefin-based resin, a room-temperature liquid-type fire retardant and an ancillary fire retardant.

Fire retardant thermoplastic resin composition and electric wire comprising the same

Disclosed are a flame retardant poly(arylene ether) resin composition and a flame retardant non-crosslinked cable. According to the present invention, provided are a flame retardant poly(arylene ether) resin composition to provide flexibility, flame retardancy, productivity, extrusion processability, etc. while maintaining heat resistance, and a flame retardant non-crosslinked cable manufactured using the composition.

Poly (arylene ether) flame retardant resin composition and non-crosslinked flame retardant cable

A polycarbonate resin composition including 35 to 49% by weight of a polycarbonate resin; 41 to 55% by weight of a glass fiber having a rectangular or oval cross-sectional shape in the direction perpendicular to the longitudinal direction, in which its aspect ratio is 50 to 200; 1 to 10% by weight of an impact modifier having a core-shell structure; 1 to 10% by weight of an ethylene-(meth)acrylate-based copolymer; and 1 to 10% by weight of a rheology modifier containing a thermoplastic polyester-based polymer or a phosphate ester-based compound.

Polycarbonate resin composition

A thermoplastic polycarbonate resin composition may include about 50 to about 70 wt % of a polycarbonate resin; about 5 to about 20 wt % of a vinyl cyanide compound-conjugated diene-vinyl aromatic hydrocarbon copolymer; about 10 to about 30 wt % of a polyester resin; about 3 to about 15 wt % of a maleimide-based copolymer; about 2 to about 10 wt % of an impact modifier; and about 0.1 to about 1.0 wt % of a nucleating agent, wherein the polycarbonate resin has a melt index of about 2 to about 20 g/10 min (300&#xb0; C., 2.16 kg). The thermoplastic polycarbonate resin composition has excellent chemical resistance and mechanical properties.

Thermoplastic polycarbonate resin composition

Disclosed is a glass fiber-reinforced polycarbonate flame-retardant resin composition which comprises (A) 50 to 75% by weight of polycarbonate having a melt index of 22 g/10 min or more (300&#xb0; C., 1.2 kg), (B) 3 to 15% by weight of a rubber-modified styrene-based graft copolymer, (C) 3 to 10% by weight of a bulk copolymer of an aromatic vinyl compound and a vinyl cyan compound, (D) 1 to 10% by weight of an ethylene acrylate-based copolymer, (E) 10 to 25% by weight of glass fiber, and (F) 5 to 20% by weight of an aromatic phosphate ester-based compound, and thus advantageously exhibits superior flowability, flame retardancy, hardness, impact resistance and appearance qualities.

Glass fiber-reinforced polycarbonate flame-retardant resin composition

The present invention relates to a novel process for preparing sulfonylurea derivatives of formula (I) in a high purity and a high yield characterized in that a sulfonylchloride of formula (V) is reacted with 2-amino-4,6-dimethoxypyrimidine of formula (VII) in the presence of a metal cyanate and an organic base catalyst or a compound of formula (VIII) is reacted with 2-amino-4,6-dimethoxypyrimidine of formula (VII): ##STR1## wherein R.sup.1 represents hydrogen, C.sub.1 -C.sub.4 alkyl or phenyl, R.sup.2 represents hydrogen, C.sub.1 -C.sub.4 alkyl, allyl or propargyl and R.sup.3 represents hydrogen, methyl, ethyl or phenyl, and to a process for preparing the sulfonylchloride compound of formula (V) above and the compound of formula (VIII) above, both of which are useful as an intermediate compound for preparing the sulfonylurea derivative of formula (I) and to a novel intermediate compound of formula (VIII) as defined above.

Starting materials for prepartion of sulfonylurea derivatives and

Processes for preparation of sulfonylurea derivatives

Process for preparation of sulfonylurea derivatives and intermediates

The present invention relates to a process for preparation of 5-pyrazolemercaptan derivatives represented by the following general formula (I), which is useful for synthesis of sulfonylurea-based herbicides, and an intermediate thereof, ##STR1## wherein R.sup.1 represents hydrogen, C.sub.1 -C.sub.4 alkyl, allyl or propargyl,

Dithiocarbazate compounds

Processes for preparation of dithiocarbazates

Processes for preparation of 5-pyrazolemercaptan derivatives

The present invention relates to a process for preparation of 5-pyrazolemercaptan derivatives represented by the following general formula (I), which is useful for synthesis of sulfonyl-urea-based herbicides, and an intermediate thereof, ##STR1## wherein R.sup.1 represents hydrogen, C.sub.1 -C.sub.4 alkyl, allyl or propargyl,

Processes for preparation of 5-pyrazolemercaptan derivatives and

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Daejeon, South Korea

Jong Kuk Choi