Lg Chem, Ltd

Shengyi Technology Co., Ltd.

Young Seok Park

Soon Yong Park

Young Ji Tae

Bi Oh Ryu

Kwan Yeol Paek

Si Young Park

Se Myung Jang

Il Hwan Choi

Byeong In Ahn

Joo Yeon Seo

A plastic laminated film comprising a first layer comprising a polyamideimide copolymer and a second layer provided on at least one surface of the first layer and comprising a polyimide copolymer. The plastic laminated film has both excellent mechanical properties and UV weathering resistance while being colorless and transparent, and can be suitably used as cover films for various flexible or foldable devices.

Plastic laminated film

The present invention relates to a polyamideimide copolymer and a colorless and transparent polyamideimide copolymer film. The polyamideimide copolymer according to the present invention enables to provide a polyamideimide film having improved UV shielding function while exhibiting excellent scratch resistance and mechanical properties.

Polyamideimide copolymer and polyamideimide film comprising the same

A poly(amide-imide) copolymer composition comprising an imide of a polyamic acid and an ultraviolet stabilizer, and a colorless and transparent poly(amide-imide) film including the composition. The poly(amide-imide) copolymer composition according to the present disclosure makes it possible to provide a poly(amide-imide) film exhibiting excellent scratch resistance, UV shielding property, and UV weather resistance while being colorless and transparent. This film can be suitably used as a cover film of various flexible or foldable devices.

Poly(amide-imide) copolymer composition and colorless and transparent poly(amide-imide) film comprising the same

A polyamideimide copolymer which is an imide of a polyamic acid resulting from copolymerizing an aromatic diamine monomer, an aromatic dianhydride monomer, and an aromatic dicarbonyl monomer and a colorless and transparent polyamideimide film including the polyamideimide copolymer. The polyamideimide copolymer according to the present disclosure makes it possible to provide a polyamideimide film exhibiting excellent scratch resistance while being colorless and transparent.

Polyamideimide copolymers and colorless and transparent polyamideimide film comprising the same

The present invention relates to an adhesive resin composition including a styrene-ethylene-butylene-styrene copolymer with a specific chemical structure, an epoxy resin, an acid anhydride compound, and a curing catalyst, an adhesive film obtained from the resin composition, and a flexible metal laminate including the adhesive film.

Adhesive resin composition, adhesive film, and flexible metal laminate

Disclosed herein is a flexible metal laminate including: a first thermosetting polyimide resin layer containing 5 wt % to 75 wt % of a fluorine-based resin; a second thermosetting polyimide resin layer formed on at least one surface of the first thermosetting polyimide resin layer, and containing 1 wt % or less of the fluorine-based resin; and a thermoplastic polyimide resin layer formed on one surface of the second thermosetting polyimide resin layer so as to face the first thermosetting polyimide resin layer, wherein the first thermosetting polyimide resin layer and the second thermosetting polyimide resin layer include the same thermosetting polyimide resin.

Flexible metal laminate

This disclosure relates to a flexible metal laminate including: a porous polyimide resin layer including 30 wt % to 95 wt % of a polyimide resin; and 5 to 70 wt % of a hollow fluorinated resin having a mean outer diameter of 0.1 &#x3bc;m to 10.0 &#x3bc;m.

Flexible metal laminate and preparation method of the same

This disclosure relates to a flexible metal laminate including a porous polyimide resin layer including 30 wt % to 95 wt % of a polyimide resin, and 5 wt % to 70 wt % of fluorine-containing resin particles, wherein micropores having a diameter of 0.05 &#x3bc;m to 20 &#x3bc;m are distributed in the porous polyimide resin layer, and a method for preparing the same.

There is provided a flexible metal laminate including a polymer resin layer including a polyimide resin of a specific structure and a fluororesin, wherein the fluororesin is more distributed through the inside of the polymer resin layer than at the surface of the polymer resin layer.

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Daejeon, South Korea

Young Seok Park