Cj Cheiljedang Corporation

Chang Suk Lee

Young Lyeol Yang

Jun Ok Moon

Ji Ho Hwang

Chang Yub Oh

Kyung Su Na

Su Jin Choi

Sang Gwon Moon

Jin Woo Choi

Ji Eun Kim

Joo Young Lee

Kwang Myung Cho

Hyun Joong Kim

Jin Seung Park

Jin Woo Jeon

Changyub Oh

Hang Duk Roh

Jong Ho Back

Do Yong Sim

Jieun Kim

Provided is an adhesive composition including ornithine, citric acid, and water, wherein the ornithine and the citric acid are present in the form of an aqueous salt solution and do not form precipitates in the aqueous solution. Also provided a method of preparing an adhesive composition including: mixing ornithine, citric acid, and water to form a mixture of the ornithine, the citric acid, and the water; and stirring the mixture at a temperature of less than 80° C., wherein respective contents of the ornithine, the citric acid, and the water are adjusted such that precipitates of the ornithine and the citric acid do not form in the adhesive composition.

Adhesive composition, and method for preparing same

Provided is an adhesive composition including lysine, alpha ketoglutaric acid, and water, wherein the lysine and the alpha ketoglutaric acid are present in the form of an aqueous salt solution and do not form precipitates in the aqueous solution.

Adhesive composition and preparation method thereof

Provided is an adhesive composition including lysine, malic acid, and water, wherein the lysine and the malic acid are present in the form of an aqueous salt solution and do not form precipitates in the aqueous solution.

Adhesive composition and preparation method therefor

Provided is an adhesive composition, an adhesive product, and a method of preparing an adhesive composition. The adhesive composition including lysine, oxaloacetic acid, and water, wherein the lysine and the oxaloacetic acid are present in the form of an aqueous salt solution and do not form precipitates in the aqueous solution.

Adhesive composition, and production method thereof

Provided is a method of preparing an N-acetyl dipeptide and an N-acetyl amino acid, the method including producing the N-acetyl dipeptide and the N-acetyl amino acid by reaction of an amino acid with acetic anhydride or acetyl chloride.

Method for producing N-acetyl dipeptide and N-acetyl amino acid

Provided is an adhesive composition including lysine, citric acid, and water, wherein the lysine and the citric acid are present in the form of an aqueous solution of a salt such that precipitates are not formed in the aqueous solution. In addition, provided is a method of preparing an adhesive composition including mixing lysine, citric acid, and water to thereby form a mixture of the lysine, the citric acid, and the water, and stirring the mixture at a temperature of 80&#xb0; C. or less, wherein amounts of the lysine, the citric acid, and the water are adjusted such that precipitates of the lysine and the citric acid do not form in the adhesive composition.

Adhesive composition and method for preparing same

Provided is an adhesive composition including lysine, itaconic acid, and water, wherein the lysine and the itaconic acid are present in the form of an aqueous solution of a salt such that precipitates are not formed in the aqueous solution. In addition, provided is a method of preparing an adhesive composition including mixing lysine, itaconic acid, and water to thereby form a mixture of the lysine, the citric acid, and the water, and stirring the mixture at a temperature of 80&#xb0; C. or less, wherein amounts of the lysine, the itaconic acid, and the water are adjusted such that precipitates of the lysine and the itaconic acid do not form in the adhesive composition.

Provided is a method of efficiently preparing alkyl lactate from by-products which are generated during a process of converting lactic acid into lactide, or from poly(lactic acid) (PLA).

Method for producing alkyl lactate

Provided is a binder composition including polylysine and at least one reducing sugar or a derivative thereof, wherein the polylysine has, in aH NMR spectrum thereof, a first peak at 3.2 ppm to 3.4 ppm and a second peak at 3.8 ppm to 4.0 ppm, wherein a ratio (A:B) of an area of the first peak (A) to an area of the second peak (B) is 70:30 to 98:2.

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Suji-gu Yongin-si, South Korea

Chang Suk Lee