IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0796632
(2013-03-12)
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등록번호 |
US-9163169
(2015-10-20)
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발명자
/ 주소 |
- Balogh, Jeffrey
- Jennings, Jessica D.
- Narayan, Arun
- Shoemake, Kelly A.
- Williamson, Bobby L.
- Petrella, Jesse
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출원인 / 주소 |
- Georgia-Pacific Chemicals LLC
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대리인 / 주소 |
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인용정보 |
피인용 횟수 :
2 인용 특허 :
48 |
초록
▼
Adhesive compositions having a reduced cure time and methods for making and using same are provided. In at least one specific embodiment, the adhesive composition can include a mixture of one or more phenolic-aldehyde resins and one or more cure accelerants. The one or more cure accelerants can be s
Adhesive compositions having a reduced cure time and methods for making and using same are provided. In at least one specific embodiment, the adhesive composition can include a mixture of one or more phenolic-aldehyde resins and one or more cure accelerants. The one or more cure accelerants can be selected from the group consisting of: ammonia, ammonium hydroxide, one or more primary amines, one or more secondary amines, one or more tertiary amines, one or more alkanolamines, one or more aromatic amines, one or more polyamines, one or more amides, one or more polyamides, one or more compounds containing at least one amine functional group and at least one sulfur functional group, and any mixture thereof. In one or more embodiments, the adhesive composition can also include one or more hardeners.
대표청구항
▼
1. A composition, comprising a mixture of one or more phenolic-aldehyde resins and one or more cure accelerants selected from the group consisting of: ammonia, ammonium hydroxide, one or more primary amines, one or more secondary amines, one or more tertiary amines, one or more alkanolamines, one or
1. A composition, comprising a mixture of one or more phenolic-aldehyde resins and one or more cure accelerants selected from the group consisting of: ammonia, ammonium hydroxide, one or more primary amines, one or more secondary amines, one or more tertiary amines, one or more alkanolamines, one or more aromatic amines, one or more polyamines, one or more amides, one or more polyamides, one or more compounds containing at least one amine functional group and at least one sulfur functional group, and any mixture thereof, wherein the one or more phenolic-aldehyde resins comprises at least two phenolic compounds selected from the group consisting of: phenol, resorcinol, hydroquinone, catechol, tannins, phloroglucinol, lignins, a bis-phenol, and humic acid, wherein the one or more phenolic-aldehyde resins has a molar ratio of an aldehyde component to a phenolic component of about 0.2:1 to about 0.9:1, wherein the composition is free of a hardener comprising one or more alkylene group donors, wherein the one or more phenolic-aldehyde resins has a pH of about 8.5 to about 11.5, and wherein the one or more phenolic-aldehyde resins and the one or more cure accelerants are substantially unreactive with one another in the absence of the hardener. 2. The composition of claim 1, wherein the at least two phenolic compounds comprise phenol and resorcinol, wherein the one or more cure accelerants comprises the one or more polyamines, wherein the one or more polyamines comprises diethylenetriamine, triethylenetetramine, tetraethylenepentamine, 1,3-propanediamine, 1,4-butanediamine, polyamidoamines, polyethylenimines, or any mixture thereof, and wherein the one or more phenolic-aldehyde resins has a viscosity of about 500 cP to about to about 3,000 cP at a temperature of about 25° C. 3. The composition of claim 1, wherein the at least two phenolic compounds comprise phenol and resorcinol, wherein the one or more cure accelerants comprises the one or more polyamines, wherein the one or more polyamines comprises diethylenetriamine, and wherein the one or more phenolic-aldehyde resins has a pH of about 9 to about 11. 4. The composition of claim 1, wherein the one or more cure accelerants comprises ammonium hydroxide, and wherein the one or more phenolic-aldehyde resins comprises a phenol-resorcinol-aldehyde resin having a concentration of phenol of about 43.5 wt % to about 59.5 wt %, a concentration of resorcinol of about 25 wt % to about 45 wt %, and an aldehyde concentration of about 16.6 wt % to about 17.1 wt %, based on a total solids weight of the phenol-resorcinol-aldehyde resin. 5. The composition of claim 1, wherein the one or more aromatic amines is present, and wherein the one or more aromatic amines comprises benzyl amine, ortho-toluidine, meta-toluidine, para-toluidine, n-methyl aniline, N—N′-dimethyl aniline, diphenyl and triphenyl amines, 1-naphthylamine, 2-naphthylamine, 4-aminophenol, 3-aminophenol, 2-aminophenol, or any mixture thereof. 6. The composition of claim 1, wherein the one or more polyamines is present, and wherein the one or more polyamines comprises diethylenetriamine, triethylenetetramine, tetraethylenepentamine, 1,3 -propanediamine, 1 ,4butanediamine, polyamidoamines, polyethylenimines, or any mixture thereof. 7. The composition of claim 1, wherein the one or more amides is present, and wherein the one or more amides comprises ethanamide. 8. The composition of claim 1, wherein the one or more phenolic-aldehyde resins comprises a phenol-resorcinol-aldehyde resin having a molar ratio of phenol:resorcinol:aldehyde of about 0.6-1.2:0.2-0.8:1, a weight average molecular weight of about 700 to about 7,000, and a pH of about 9 to about 11, and wherein the adhesive composition has a solids concentration of about 40 wt % to about 60 wt % and a viscosity of about 500 cP to about 5,000 cP at a temperature of 25° C. 9. The composition of claim 1, wherein the composition comprises about 0.01 wt % to about 0.4 wt % of the one or more cure accelerants based on the combined solids weight of the one or more phenolic-aldehyde resins and the one or more cure accelerants. 10. The composition of claim 9, wherein the one or more cure accelerants comprises the one or more polyamines, and wherein the adhesive composition has a shelf life of at least 1 month. 11. The composition of claim 1, wherein the composition has a concentration of metal ions that is less than 3.5 wt % based on a total solids concentration of the composition, and wherein the one or more phenolic-aldehyde resins comprises a base in an amount of about 2% to about 8%, based on the weight of the one or more phenolic-aldehyde resins. 12. A composition, comprising: one or more phenolic-aldehyde resins, wherein the one or more phenolic-aldehyde resins comprises at least two phenolic compounds selected from the group consisting of: phenol, resorcinol, hydroquinone, catechol, tannins, phloroglucinol, lignins, a bis-phenol, and humic acid, and wherein the one or more phenolic-aldehyde resins has a pH of about 8.5 to about 11.5 and a molar ratio of an aldehyde component to a phenolic component of about 0.2:1 to about 0.9:1; andone or more cure accelerants selected from the group consisting of: ammonia, ammonium hydroxide, one or more primary amines, one or more secondary amines, one or more tertiary amines, one or more alkanolamines, one or more aromatic amines, one or more polyamines, one or more amides, one or more polyamides, one or more compounds containing at least one amine functional group and at least one sulfur functional group, or any mixture thereof, wherein the one or more cure accelerants is present in an amount of from about 0.01 wt % to about 1 wt %, based on the combined solids weight of the one or more phenolic-aldehyde resins and the one or more cure accelerants, wherein the composition is free of a hardener comprising one or more alkylene group donors and has a shelf life of at least 1 month, and wherein the one or more phenolic-aldehyde resins and the one or more cure accelerants are substantially unreactive with one another in the absence of the hardener. 13. The composition of claim 12, wherein the one or more cure accelerants comprises the one or more polyamines, wherein the one or more polyamines comprises diethylenetriamine, triethylenetetramine, tetraethylenepentamine, 1,3-propanediamine, 1,4-butanediamine, polyamidoamines, polyethylenimines, or any mixture thereof, and wherein the one or more cure accelerants is present in an amount of from about 0.01 wt % to about 0.4 wt %, based on the combined solids weight of the one or more phenolic-aldehyde resins and the one or more cure accelerants. 14. The composition of claim 12, wherein the one or more cure accelerants comprises the one or more polyamines, wherein the one or more polyamines comprises diethylenetriamine, wherein the molar ratio of the aldehyde component to the phenolic component is about 0.55:1 to about 0.8:1, and wherein the at least two phenolic compounds comprise phenol and resorcinol. 15. The composition of claim 12, wherein the at least two phenolic compounds comprise phenol and resorcinol, wherein the one or more cure accelerants comprises the one or more polyamines, and wherein the one or more polyamines comprises diethylenetriamine, and wherein the one or more phenolic-aldehyde resins has a viscosity of about 500 cP to about to about 3,000 cP at a temperature of about 25° C., a pH of about 9 to about 11, and comprises a base in an amount of about 2% to about 8%, based on the weight of the one or more phenolic-aldehyde resins. 16. A composition comprising a mixture of diethylenetriamine and a phenol-resorcinol-aldehyde resin having a molar ratio of phenol:resorcinol:aldehyde of about 0.6-1.2:0.2-0.8:1, a weight average molecular weight of about 700 to about 7,000, and a pH of about 8.5 to about 11, wherein a molar ratio of the aldehyde to a sum of the phenol and resorcinol is about 0.2:1 to about 0.9:1, and wherein the composition is free of a hardener comprising one or more alkylene group donors, has a shelf life of at least 6 months, has a solids concentration of about 40 wt % to about 60 wt %, has a viscosity of about 500 cP to about 3,000 cP at a temperature of 25° C., and comprises about 0.01 wt % to about 0.4 wt % diethylenetriamine based on the combined solids weight of the phenol-resorcinol-aldehyde resin and the diethylenetriamine. 17. The composition of claim 16, further comprising a filler in an amount of about 5 wt % to about 45 wt % based on the combined weight of the filler and the phenol-resorcinol-aldehyde resin, wherein the filler comprises one or more nut shells, one or more seed shells, one or more fruit pits, animal bones, clay, ground corn cobs, or any mixture thereof. 18. The composition of claim 1, wherein the molar ratio of the aldehyde component to the phenolic component is about 0.55:1 to about 0.8:1. 19. The composition of claim 9, wherein the one or more phenolic-aldehyde resins and the one or more cure accelerants do not react with one another in the absence of the hardener. 20. The composition of claim 12, wherein the one or more phenolic-aldehyde resins and the one or more cure accelerants do not react with one another in the absence of the hardener.
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