초록 ▼

A composition for coating having a gas barrier property comprising coating-forming components of an epoxy resin and an amine curing agent, wherein said amine curing agent is a reaction product of (A) methaxylylenediamine or paraxylylenediamineand (B) polyfunctional compound having at least one acyl

A composition for coating having a gas barrier property comprising coating-forming components of an epoxy resin and an amine curing agent, wherein said amine curing agent is a reaction product of (A) methaxylylenediamine or paraxylylenediamineand (B) polyfunctional compound having at least one acyl group which is capable of forming amide group moiety by reaction with a polyamine to form an oligomeror or (A), (B) and (C) monocarboxylic acid having 1 to 8 carbon atoms and/or derivative thereof and a coating and a coated film a gas barrier property the same.

대표청구항 ▼

What is claimed is: 1. A composition for coating having a gas barrier property comprising coating-forming components of an epoxy resin and an amine curing agent, wherein said epoxy resin is an epoxy resin with glycidylamine moiety derived from metaxylylendiamine and said amine curing agent is a rea

What is claimed is: 1. A composition for coating having a gas barrier property comprising coating-forming components of an epoxy resin and an amine curing agent, wherein said epoxy resin is an epoxy resin with glycidylamine moiety derived from metaxylylendiamine and said amine curing agent is a reaction product obtained from reactants consisting essentially of the following (A), (B) and (C): (A) metaxylylenediamine or paraxylylenediamine; (B) polyfunctional compound of acrylic acid, methacrylic acid and/or derivative thereof, fumaric acid, maleic acid, malic acid, tartaric acid, isophthalic acid, terephthalic acid, pyromellitic acid, trimellitic acid or derivatives thereof, having at least one acyl group which is capable of forming amide group moiety by reaction with a polyamine to form an oligomer; (C) formic acid, acetic acid, propionic acid, butyric acid, lactic acid, glycolic acid, benzoic acid and/or derivative thereof. 2. The composition for coating according to claim 1, wherein said (B) polyfunctional compound is acrylic acid, methacrylic acid and/or derivative thereof. 3. A coating comprising the composition for coating having a gas barrier property described in claim 1. 4. A coated film having a gas barrier property comprising a gas barrier layer coated on at least one side of a flexible polymer film, wherein said gas barrier layer is a layer formed by cure of a composition for coating having a gas barrier property comprising coating-forming components of an epoxy resin and an amine curing agent, wherein said amine curing agent is a reaction product of the following (A), (B) and (C): (A) metaxylylenediamine or paraxylylenediamine; (B) polyfunctional compound having at least one acyl group which is capable of forming amide group moiety by reaction with a polyamine to form an oligomer; (C) formic acid, acetic acid, propionic acid, butyric acid, lactic acid, glycolic acid, benzoic acid and/or derivative thereof. 5. The coated film according to claim 4, wherein said epoxy resin is an epoxy resin with glycidylamine moiety derived from metaxylylenediamine. 6. The coated film according to claim 4, wherein said (B) polyfunctional compound is acrylic acid moiety derived from metaxylylenediamine. 7. The coated film according to claim 4, wherein said flexible polymer film is polyolefin film, a polyester film or a polyamide film. 8. A multilayered laminate having a gas barrier property comprising two outer layers (S1) and (S2) and at least one intermediate layer comprising at least one gas barrier layer (G) interposed between said two outer layers (S1) and (S2), wherein said gas barrier layer (G) is a layer formed by cure of a composition for coating having a gas barrier property comprising coating-forming components of an epoxy resin and an amine curing agent, wherein said amine curing agent is a reaction product of the following (A), (B) and (C): (A) metaxylylenediamine or paraxylylenediamine; (B) polyfunctional compound having at least one acyl group which is capable of forming amide group moiety by reaction with a polyamine to form an oligomer; (C) formic acid, acetic acid, propionic acid, butyric acid, lactic acid, glycolic acid, benzoic acid and/or derivative thereof. 9. The multilayered laminated according to claim 8, wherein said epoxy resin is an epoxy resin with glycidylamine moiety derived from metaxylylenediamine. 10. The multilayered laminate according to claim 8, wherein said (B) polyfunctional compound is acrylic acid, methacrylic acid and/or derivative thereof. 11. The multilayered laminate according to claim 8, wherein each said outer layers (S1) and (S2) is flexible polymer film layer (F). 12. The multilayered laminate according to claim 11, wherein said flexible polymer film layer (F) is one film layer selected from the group consisting of a polyolefin film, a polyester film and a polyamide film. 13. The multilayered laminate according to claim 11, having flexible polymer film layer (F)-gas barrier layer (G)-flexible polymer film layer (F), flexible polymer film layer (F)-gas barrier layer (G)-paper layer (P)-gas barrier layer (G)-flexible polymer film layer (F), flexible polymer film layer (F)-gas barrier layer (G)-paper layer (P)-gas barrier layer (G)-metallic foil layer (M)-gas barrier layer (G)-flexible polymer film layer (F) or flexible polymer film layer (F)-gas barrier layer (G)-flexible polymer film layer (F)-gas barrier layer (G)-flexible polymer film layer (F). 14. The multilayered laminate according to claim 8, wherein said outer layer (S1) is flexible polymer film layer (F) and said outer layer (S2) is paper layer (P) or metallic foil layer (M). 15. The multilayered laminate according to clam 14, having flexible polymer film layer (F)-gas barrier layer (G)-paper layer (P), flexible polymer film layer (F)-gas barrier layer (G)-metallic foil layer (M) or flexible polymer film layer (F)-gas barrier layer (G)-metallic foil layer (M)-gas barrier layer (G)-paper layer (P). 16. The multilayered laminate according to claim 8, wherein said outer layer (S1) is paper layer (F) or metallic foil layer (M) and said outer layer (S2) is paper layer (P) or metallic foil layer (M). 17. The multilayered laminate according to claim 16, having paper layer (P)-gas barrier layer (G)-metallic foil layer (M)-paper layer (P)-gas barrier layer (G)-paper layer (P), metallic foil layer (M)-gas barrier layer (G)-metallic foil layer (M), paper layer (P)-gas barrier layer (G)-flexible polymer film layer (F)-gas barrier layer (G)-metallic foil layer (M), paper layer (P)-gas barrier layer (G)-flexible polymer film layer (F)-gas barrier layer (G)-paper layer (P) or metallic foil layer (M)-gas barrier layer (G)-flexible polymer film layer (F)-gas barrier layer (G)-metallic foil layer (M). 18. The multilayered laminate according to claim 8, wherein said gas barrier layer (G) has an oxygen permeation factor of 0.2 cc-mm/m2쨌day쨌atom or below under the conditions of temperature 23째 C. and relative humidity 60%. 19. A coated film having a gas barrier property comprising a gas barrier layer coated on at least one side of a flexible polymer film, wherein said gas barrier layer is a layer formed by cure of a composition for coating having a gas barrier property consisting essentially of coating-forming components of an epoxy resin and an amine curing agent, wherein said epoxy resin is an epoxy resin with glycidylamine moiety derived from metaxylylenediamine and said amine curing agent consists of a reaction product obtained from reactants consisting of the following (A) and (B) in a molar ratio [(B)/(A)] of 0.3:1 to 0.95:1; (A) metaxylylenediamine or paraxylylenediamine; (B) polyfunctional compound of acrylic acid, methacrylic acid and/or derivative thereof, fumaric acid, malic acid, tartaric acid, pyromellitic acid, trimellitic acid or derivatives thereof, having at least one acyl group which is capable of forming amide group moiety by reaction with a polyamine to form an oligomer. 20. The coated film according to claim 19, wherein said (B) polyfunctional compound is acrylic acid, methacrylic acid and/or derivative thereof. 21. The coated film according to claim 19, wherein said flexible polymer is a polyolefin film, a polyester film or a polyamide film. 22. A coated film having a gas barrier property comprising a gas barrier layer coated on at least one side of a flexible polymer film, wherein said gas barrier layer is a layer formed by cure of a composition for coating having a gas barrier property consisting essentially of coating-forming components of an epoxy resin and an amine curing agent, wherein said epoxy resin is an epoxy resin with glycidylamine moiety derived from metaxylylenediamine and said amine curing agent consists of a reaction product obtained from a mixture consisting of reactants consisting of the following (A) and (B) in a molar ratio [(B)/(A)] of 0.3:1 to 0.95:1 and a non-reactive solvent, a catalyst and/or a tertiary amine selected from the group consisting of pyridine, picoline, lutidine and trialkylamine; (A) metaxylylenediamine or paraxylylenediamine; (B) polyfunctional compound of acrylic acid, methacrylic acid and/or derivative thereof, fumaric acid, malic acid, tartaric acid, pyromellitic acid, trimellitic acid or derivatives thereof, having at least one acyl group which is capable of forming amide group moiety by reaction with a polyamine to form an oligomer. 23. The coated film according to claim 22, wherein said (B) polyfunctional compound is acrylic acid, methacrylic acid and/or derivative thereof. 24. The coated film according to claim 22, wherein said flexible polymer is a polyolefin film, a polyester film or a polyamide film. 25. A mutilayered laminate having a gas barrier property comprising two outer layer (S1) and (S2) and at least one intermediate layer comprising at least one gas barrier layer (G) interposed between said two outer layers (S1) and (S2), wherein said gas barrier layer (G) is a layer formed by cure of a composition for coating having a gas barrier property consisting essentially of coating-forming components of an epoxy resin and an amine curing agent, wherein said epoxy resin is an epoxy resin with glycidylamine moiety derived from metaxylylendiamine and said amine curing agent consists of a reaction product obtained from reactants consisting of the following (A) and (B) in a molar ratio [(B)/(A)] of 0.3:1 to 0.95:1; (A) metaxylylenediamine or paraxylylenediamine; (B) polyfunctional compound of acrylic acid, methacrylic acid and/or derivative thereof, fumaric acid, malic acid, tartaric acid, pyromellitic acid, trimellitic acid or derivatives thereof, having at least one acyl group which is capable of forming amide group moiety by reaction with a polyamine to form an oligomer. 26. The multilayered laminate according to claim 25, wherein said (B) polyfunctional compound is acrylic acid, methacrylic acid and/or derivative thereof. 27. The multilayered laminate according to claim 25, wherein each said outer layers (S1) and (S2) is flexible polymer film layer (F). 28. The multilayered laminate according to claim 27, wherein said flexible polymer film layer (F) is one film layer selected from the group consisting of a polyolefin film, a polyester film and a polyamide film. 29. The multilayered laminate according to claim 27, having flexible polymer film layer (F)-gas barrier layer (G)-flexible polymer film layer (F), flexible polymer film layer (F)-gas barrier layer (G)-paper layer (P)-gas barrier layer (G)-flexible polymer film layer (F), flexible polymer film layer (F)-gas barrier layer (G)-paper layer (P)-gas barrier layer (G)-metallic foil layer (M)-gas barrier layer (G)-flexible polymer film layer (F) or flexible polymer film layer (F)-gas barrier layer (G)-flexible polymer film layer (F)-gas barrier layer (G)-flexible polymer film layer (F). 30. The multilayered laminate according to claim 25, wherein said outer layer (S1) is flexible polymer film layer (F) and said outer layer (S2) is paper layer (P) or metallic foil layer (M). 31. The multilayered laminate according to claim 30, having flexible polymer film layer (F)-gas barrier layer (G)-paper layer (P), flexible polymer film layer (F)-gas barrier layer (G)-metallic foil layer (M) or flexible polymer film layer (F)-gas barrier layer (G)-metallic foil layer (M)-gas barrier layer (G)-paper layer (P). 32. The multilayered laminate according to claim 25, wherein said outer layer (S1) is paper layer (P) or metallic foil layer (M) and said outer layer (S2) is paper layer (P) or metallic foil layer (M). 33. The multilayered laminate according to claim 32, having paper layer (P)-gas barrier layer (G)-metallic foil layer (M), paper layer (P)-gas barrier layer (G)-paper layer (P), metallic foil layer(M)-gas barrier layer (G)-metallic foil layer (M), paper layer (P)-gas barrier layer (G)-flexible polymer film layer (F)-gas barrier layer (G)-metallic foil layer (M), paper layer (P)-gas barrier layer (G)-flexible polymer film layer (F)-gas barrier layer (G)-paper layer (P) or metallic foil layer (M)-gas barrier layer (G)-flexible polymer film layer (F)-gas barrier layer (G)-metallic foil layer (M). 34. The multilayered laminate according to claim 25, wherein said gas barrier layer (G) has an oxygen permeation factor of 0.2 cc쨌mm/m2쨌day쨌atm or below under the conditions of temperature 23째 C. and relative humidity 60%. 35. A multilayered laminate having a gas barrier property comprising two outer layers (S1) and (S2) and at least one intermediate layer comprising at least one gas barrier layer (G) interposed between said two outer layers (S1) and (S2), wherein said gas barrier layer (G) is a layer formed by cure of a composition for coating having a gas barrier property consisting essentially of coating-forming components of an epoxy resin and an amine curing agent, wherein said epoxy resin is an epoxy resin with glycidylamine moiety derived from metaxylylendiamine and said amine curing agent consists of a reaction product obtained from a mixture consisting of reactants consisting of the following (A) and (B) in a molar ratio [(B)/(A)] of 0.3:1 to 0.95:1 and a non-reactive solvent, a catalyst and/or a tertiary amine selected from the group consisting of pyridine, picoline, lutidine and trialkylamine; (A) metaxylylenediamine or paraxylylenediamine; (B) polyfunctional compound of acrylic acid, methacrylic acid and/or derivative thereof, fumaric acid, malic acid, tartaric acid, pyromellitic acid, trimellitic acid or derivatives thereof, having at least one acyl group which is capable of forming amide group moiety by reaction with a polyamine to form an oligomer. 36. The multilayered laminate according to claim 35, wherein said (B) polyfuntional compound is acrylic acid, methacrylic acid and/or derivative thereof. 37. The multilayered laminate according to claim 35, wherein each said outer layers (S1) and (S2) is flexible polymer film layer (F). 38. The multilayered laminate according to claim 37, wherein said flexible polymer film layer (F) is one film layer selected from the group consisting of a polyolefin film, a polyester film and a polyamide film. 39. The multilayered laminate according to claim 37, having flexible polymer film layer (F)-gas barrier layer (G)-flexible polymer film layer (F), flexible polymer film layer (F)-gas barrier layer (G)-paper layer (P)-gas barrier layer (G)-flexible polymer film layer (F), flexible polymer film layer (F)-gas barrier layer (G)-paper layer (P)-gas barrier layer (G)-metallic foil layer (M)-gas barrier layer (G)-flexible polymer film layer (F) or flexible polymer film layer (F)-gas barrier layer (G)-flexible polymer film layer (F)-gas barrier layer (G)-flexible polymer film layer (F). 40. The multilayered laminate according to claim 35, wherein said outer layer (S1) is flexible polymer film layer (F) and said outer layer (S2) is paper layer (P) or metallic foil layer (M). 41. The multilayered laminate according to claim 40, having flexible polymer film layer (F)-gas barrier layer (G)-paper layer (P), flexible polymer film layer (F)-gas barrier layer (G)-metallic foil layer (M) or flexible polymer film layer (F)-gas barrier layer (G)-metallic foil layer (M)-gas barrier layer (G)-paper layer (P). 42. The multilayered laminate according to claim 35, wherein said outer layer (S1) is paper layer (P) or metallic foil layer (M) and said outer layer (S2) is paper layer (P) or metallic foil layer (M). 43. The multilayered laminate according to claim 42, having paper layer (P)-gas barrier layer (G)-metallic foil layer (M), paper layer (P)-gas barrier layer (G)-paper layer (P), metallic foil layer (M)-gas barrier layer (G)-metallic foil layer (M), paper layer (P)-gas barrier layer (G)-flexible polymer film layer (F)-gas barrier layer (G)-metallic foil layer (M), paper layer (P)-gas barrier layer (G)-flexible polymer film layer (F)-gas barrier layer (G)-paper layer (P) or metallic foil layer (M)-gas barrier layer (G)-flexible polymer film layer (F)-gas barrier layer (G)-metallic foil layer (M). 44. The multilayered laminate according to claim 35, wherein said gas barrier layer (G) has an oxygen permeation factor of 0.2 cc쨌mm/m2쨌day쨌atm or below under the conditions of temperature 23째 C. and relative humidity 60%.