Lg Chem, Ltd

Bong Ju Kwak

Chong Kyu Shin

Hyungsam Choi

Byoungsoo Lee

Youngju Lee

Taehyeong Kim

Hyungjoon Jeon

Ayoung Lee

Sanggon Kim

Sung Kyung Park

Hyung Joon Jeon

Hyungbae Gil

Hyelim Kang

Sungyeol Choi

Jinkuk Lee

The present specification provides a composition comprising a material of Chemical Formula 1: having a molecular weight of 500,000 to 700,000 where R1 and R2 are the same as or different from each other, and each independently is hydrogen, deuterium, or an alkyl group, and n is from 10,000 to 20,000, for forming a reverse osmosis membrane protective layer, a method for preparing a reverse osmosis membrane using the same, a reverse osmosis membrane and a water-treatment module.

Composition for forming reverse osmosis membrane protection layer, method for preparing reverse osmosis membrane using same, reverse osmosis membrane, and water treatment module

The present specification provides a method for manufacturing a water-treatment separation membrane, the method comprising: preparing a porous support; forming a polyamide active layer on the porous support by using an interfacial polymerization of an aqueous solution comprising an amine compound and an organic solution comprising an acyl halide compound; and coating a coating solution comprising a random copolymer comprising the monomers represented by Chemical Formulae 1 to 3 onto the polyamide active layer, in which a content of the random copolymer is 0.5 wt % to 2 wt % based on a total weight of the coating solution, a water-treatment separation membrane manufactured by using the same, and a water treatment module comprising the water-treatment separation membrane.

Method for manufacturing water treatment separator, water treatment separator manufactured using same, and water treatment module comprising water treatment separator

The present specification relates to a method for manufacturing a water-treatment membrane, a water-treatment membrane manufactured using the same, and a water-treatment module including the water-treatment membrane.

Water treatment membrane production method, water treatment membrane produced using same, and water treatment module comprising water treatment membrane

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Daejeon, South Korea

Bong Ju Kwak