Lotte Advanced Materials Co., Ltd.

Cheil Industries Inc.

Lotte Chemical Corporation

Sukgyung at Co., Ltd.

O Sung Kwon

Jun Ho Chi

Jong Chan Hur

Woo Suk Chei

Bok Nam Jang

Hyun Hye Jang

Jung Jae Lee

Dong Geun Lee

Hyuck Man Kwon

Chang Heon Lee

Il Jin Kim

Jin Yong Bae

Jae Bum Park

Il Hwan Yang

Kee Hae Kwon

Hyung Rang Moon

Chang Hoon Lee

Seong Ho Kong

Dong Baek Kim

Hyung Sup Lim

Young Cheol Yoo

Mie Ock Kim

Yeon Ju Lee

A polyphosphonate resin composition of the present invention comprises: about 100 parts by weight of a polyphosphonate resin containing a repeating unit represented by chemical formula 1; and about 0.01 to about 0.05 parts by weight of a phosphite compound containing at least one of diphenyl hydrogen phosphite and a phosphite compound represented by chemical formula 2. The polyphosphonate resin composition has excellent heat resistance, wet heat stability, discoloration resistance, flame retardancy, and the like.

Polyphosphonate resin composition and molded article prepared therefrom

Provided is a functional fabric including a base fabric layer; and an insulation flexible sheet attached to at least one surface of the base fabric layer. The insulation flexible sheet includes a first flexible base; and an insulation coating layer attached to at least one surface of the base. The insulation flexible sheet may additionally include a second flexible base on the insulation coating layer. Accordingly, the functional fabric may have effective insulation properties by using silica particles having pores in a small amount used, and may have excellent strength due to the strength of the silica particles. In addition, Manufacturing methods of an insulation flexible sheet and a functional fabric are provided.

Functional fabric and manufacturing method therefor

A polycarbonate resin composition of the present invention comprises: a polycarbonate resin; and a polycarbonate polyol comprising a terminal hydroxyl group and a repeat unit represented by Formula 1. The polycarbonate resin composition exhibits good properties in terms of color, impact resistance, stiffness and the like even after irradiation with ionizing radiation.

Ionizing radiation resistant polycarbonate resin composition and molded article containing same

A polycarbonate resin composition of the present invention comprises: a polycarbonate resin; a polyalkylene glycol; an epoxy ester compound containing an ester group and an epoxy group; and a halogenated polycarbonate oligomer. The polycarbonate resin composition has excellent discoloration resistance, color, hydrolysis resistance, flame retardancy and the like even after being irradiated with ionizing radiation.

Ionizing-radiation-resistant polycarbonate resin composition, and molded product comprising same

A polycarbonate resin of the present invention comprises: a repeat unit represented by chemical formula 1 in the specification; a repeat unit represented by chemical formula 2; and a repeat unit represented by chemical formula 3. The polycarbonate resin has excellent flame retardancy, thermal resistance, transparency, impact resistance, etc.

Polycarbonate resin and preparation method therefor

A polycarbonate resin includes a repeat unit represented by Formula 1; a repeat unit represented by Formula 2; and a repeat unit represented by Formula 3, wherein the polycarbonate resin has a weight average molecular weight of about 15,000 g/mol to about 60,000 g/mol and a melt index of about 3 g/10 min to about 40 g/10 min.:  wherein R, R, R, R, a, b, c, and d are the same as defined in the specification. The polycarbonate resin for film can exhibit excellent scratch resistance, elongation, chemical resistance and heat resistance, and can be used to prepare a film in roll form without any protective film.

Polycarbonate resin for film, method for preparing the same and film including the same

Disclosed herein is a polycarbonate resin composition. The polycarbonate resin composition includes: a polycarbonate resin; a polyalkylene glycol compound; and an anthraquinone colorant, wherein the polycarbonate resin composition has a yellow index (YI) of about &#x2212;2 to about 2, as measured in accordance with ASTM D1925 after irradiating an about 3.2 mm thick specimen with &#x3b3;-rays at about 25 kGy and leaving the specimen for 7 days and has an a* value of about &#x2212;2 to about 2 and a b* value of &#x2212;2 to about 2 as measured in accordance with ASTM D2244 after irradiating an about 3.2 mm thick specimen with &#x3b3;-rays at about 25 kGy and leaving the specimen for 7 days. The polycarbonate resin composition can exhibit excellent properties in terms of color, transparency, and impact resistance after being irradiated with ionizing radiation.

Ionizing radiation resistant polycarbonate resin composition and article comprising the same

A polycarbonate resin composition includes: a polycarbonate resin; a polyalkylene glycol compound; and an organic-inorganic hybrid pigment, and has a yellow index (YI) of about &#x2212;2 to about 4 after irradiation with gamma rays, as measured in accordance with ASTM D1925 after irradiating an about 3 mm thick specimen with gamma rays at about 25 kGy and leaving the specimen for 7 days. The polycarbonate resin composition can exhibit excellent properties in terms of color and impact resistance after being irradiated with ionizing radiation.

The polycarbonate resin composition of the present invention comprises: a polycarbonate ingredient including a copolymerized polycarbonate resin and an aromatic polycarbonate resin, the copolymerized polycarbonate resin having a repeating unit represented by chemical formula 1 of claim, a repeating unit represented by chemical formula 2 of claim, and a repeating unit represented by chemical formula 3 of claim; and an acrylic-based impact reinforcing agent. The polycarbonate resin composition has excellent scratch resistance, impact resistance, and heat resistance.

Polycarbonate resin composition and molded product formed from same

A method for preparing an aromatic carbonate, of the present invention, comprises the steps of: (A) preparing a reaction mixture containing an aliphatic carbonate by reacting an organometallic compound and carbon dioxide; and (B) preparing an aromatic carbonate by reacting the reaction mixture and an aromatic alcohol. The method for preparing an aromatic carbonate allows an aromatic carbonate to be economically prepared in a high yield by using carbon dioxide as a carbonyl supply source.

Method for preparing aromatic carbonate

A polycarbonate resin of the present invention is characterized by comprising repeating units represented by Formula 1, Formula 2, Formula 3 and Formula 4, respectively.

Polycarbonate and method of preparing the same

The polycarbonate resin of the present invention comprises: a repeating unit represented by formula 1 of claim; and a repeating unit represented by formula 2 of claim. The polycarbonate resin has excellent scratch resistance, transparency and tensile elongation.

Polycarbonate resin, production method for same, and molded article comprising same

A polycarbonate of the present invention includes repeating units represented by, Formula 1, Formula 2 and Formula 3, respectively, and thus, may have excellent scratch resistance, chemical resistance and impact property.

Polycarbonate, production method for same and optical film comprising same

A copolymerized polycarbonate resin includes a repeat unit represented by Formula 1; a repeat unit represented by Formula 2; and a repeat unit represented by Formula 3, wherein the repeat unit represented by Formula 1 is different than the repeat unit represented by Formula 3, and wherein Formula 1, 2, and 3 are the same as defined in the specification. The copolymerized polycarbonate resin can have excellent properties in terms of chemical resistance, thermal resistance, and/or external appearance.

Copolymerized polycarbonate resin, method for preparing the same, and article comprising the same

A polycarbonate resin includes a repeating unit in its main chain of the following Chemical Formula 1: 

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Uiwang-si, South Korea

O Sung Kwon