Adhesive composition, and production method thereof

Patent metadata

Field	Value
Publication number	US-12110430-B2
Application number	US-201917253586-A
Country	US
Kind code	B2
Filing date	Aug 30, 2019
Priority date	Aug 31, 2018
Publication date	Oct 8, 2024
Grant date	Oct 8, 2024

Abstract

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.

First claim

What is claimed is:

1. An adhesive composition comprising:
lysine, oxaloacetic acid, and water,
wherein the lysine and the oxaloacetic acid are present in a form of an aqueous salt solution and do not form precipitates in the adhesive composition.

2. The adhesive composition of claim 1 , wherein
the precipitates are precipitates of lysine and oxaloacetic acid.

3. The adhesive composition of claim 1 , wherein
a mixing molar ratio of the lysine to the oxaloacetic acid is adjusted such that precipitates of lysine and oxaloacetic acid do not form in the adhesive composition.

4. The adhesive composition of claim 3 , wherein
the mixing molar ratio of the lysine to the oxaloacetic acid is in a range of 1.8:1 to 1:3.

5. The adhesive composition of claim 1 , wherein
a solid content in the adhesive composition is 65 parts by weight or less based on a total weight of the adhesive composition.

6. The adhesive composition of claim 1 , wherein
a sum of the contents of lysine and oxaloacetic acid is in a range of 60 parts by weight to 100 parts by weight based on 100 parts by weight of a solid content in the adhesive composition.

7. The adhesive composition of claim 1 , further comprising
at least one solvent selected from a primary alcohol, a polyhydric alcohol, a diol, and a triol.

8. The adhesive composition of claim 7 , wherein
the solvent comprises: at least one monohydric alcohol selected from methanol, ethanol, propane-2-ol, butane-1-ol, pentane-1-ol, and hexadecane-1-ol; at least one polyhydric alcohol selected from ethane-1,2-diol, propane-1,2-diol, propane-1,2,3-triol, butane-1,3-diol, butane-1,2,3,4-tetraol, pentane-1,2,3,4,5-pentol, hexane-1,2,3,4,5,6-hexol, and heptane-1,2,3,4,5,6,7-heptol; at least one unsaturated aliphatic alcohol selected from prop-2-en-1-ol, 3,7-dimethylocta-2,6-dien-1-ol, and prop-2-yn-1-ol; at least one alicyclic alcohol selected from cyclohexane-1,2,3,4,5,6-hexol and 2-(2-propyl)-5-methylcyclohexane-1-ol; or a mixture thereof.

9. The adhesive composition of claim 1 , wherein
precipitates do not form in the adhesive composition when the adhesive composition is stored at a temperature of −18° C. or higher and less than 40° C. for 14 days or longer.

10. A method of preparing an adhesive composition, the method comprising:
mixing lysine, oxaloacetic acid, and water to prepare a mixture; and
stirring the mixture at a temperature of less than 40° C.,

wherein the respective contents of lysine, oxaloacetic acid, and water are adjusted such that precipitates of lysine and oxaloacetic acid do not form in the adhesive composition.

11. The method of claim 10 , wherein
a mixing molar ratio of the lysine to the oxaloacetic acid is in a range of 1.8:1 to 1:3.

12. The method of claim 10 , wherein
the mixture further comprises at least one solvent selected from a primary alcohol, a polyhydric alcohol, a diol, and a triol.

13. An adhesive product comprising the adhesive composition of claim 1 .

Assignees

• Cj Cheiljedang Corp

Inventors

• Hwang Ji Ho
• Yang Young Lyeol
• Oh Chang Yub
• Lee Chang Suk
• Na Kyung Su
• Moon Jun Ok

Classifications

• C09J4/00 Primary

  Adhesives based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond {; adhesives, based on monomers of macromolecular compounds of groups C09J183/00 - C09J183/16} · CPC title

• C09J2477/00

  Presence of polyamide · CPC title

• C09J2467/006

  in the substrate · CPC title

• C09J2400/20

  Presence of organic materials · CPC title

• C09J11/06

  organic · CPC title