Ink jet cartridge comprising a layer made by a curable resin composition
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B41J-002/05
G03F-007/00
B41J-002/14
출원번호
US-0373680
(2006-07-13)
등록번호
US-8197033
(2012-06-12)
국제출원번호
PCT/EP2006/006846
(2006-07-13)
§371/§102 date
20090319
(20090319)
국제공개번호
WO2008/006390
(2008-01-17)
발명자
/ 주소
Ciampini, Davide
Cominetti, Fulvio
Gino, Luigina
출원인 / 주소
Telecom Italia S.p.A.
대리인 / 주소
Venable LLP
인용정보
피인용 횟수 :
1인용 특허 :
18
초록▼
The present invention relates to a curable resin composition comprising a cyclic aliphatic multifunctional epoxy resin, a cyclic aliphatic difunctional epoxy resin having formula B in the specification, and, optionally, a photoinitiator, a process for manufacturing an ink jet printhead comprising a
The present invention relates to a curable resin composition comprising a cyclic aliphatic multifunctional epoxy resin, a cyclic aliphatic difunctional epoxy resin having formula B in the specification, and, optionally, a photoinitiator, a process for manufacturing an ink jet printhead comprising a polymeric material layer defining ink passage ways formed by curing said curable resin composition, and ink-jet print head comprising a polymeric material layer defining ink passage ways formed by curing said curable resin composition.
대표청구항▼
1. An ink-jet print head comprising a polymeric material layer defining ink passage ways formed on a substrate, said polymeric material layer being formed by curing a radiation curable resin composition comprising (1) a cyclic aliphatic multifunctional epoxy resin comprising at least three epoxy gro
1. An ink-jet print head comprising a polymeric material layer defining ink passage ways formed on a substrate, said polymeric material layer being formed by curing a radiation curable resin composition comprising (1) a cyclic aliphatic multifunctional epoxy resin comprising at least three epoxy groups,(2) a cyclic aliphatic difunctional epoxy resin represented by the following general formula wherein R2 is a carboxyalkylene group of formula —(CH2)p—COO— or —(CH2)q—COO—(CH2)r—OOC—(CH2)s— and p, q, r, and s each independently is an integer of from 1 to 9,and(3) a photoinitiator. 2. The ink-jet print head according to claim 1, wherein said cyclic aliphatic multifunctional epoxy resin is represented by the following formula: wherein R1 is a linear or branched alkylene group, m is an integer of from 3 to 20 and n is an integer of from 1 to 5. 3. The ink-jet print head according to claim 1, wherein said cyclic aliphatic multifunctional epoxy resin is represented by the following formula: wherein R1 is a linear or branched alkylene group, n is an integer of from 1 to 5, h is an integer of from 1 to 5, and g is an integer of from 1 to 3, with the proviso that the result of h multiplied per g is at least 3. 4. The ink-jet print head according to claim 1, wherein said curable resin composition comprises from 20 to 70 weight percent of said multifunctional epoxy resin based on the total weight of said curable resin composition. 5. The ink-jet print head according to claim 1, wherein p, q, r, and s each independently is an integer of from 1 to 5. 6. The ink-jet print head according to claim 1, wherein R2 is a carboxyalkylene group selected from the group consisting of —CH2—COO—, —(CH2)2—COO—, —(CH2)3—COO—, —(CH2)4—COO—, —CH2—COO—CH2—OOC—CH2—, —(CH2)2—COO—CH2—OOC—(CH2)2—, —(CH2)3—COO—CH2—OOC—(CH2)3—, and —(CH2)3—COO—(CH2)2—OOC—(CH2)3—. 7. The ink-jet print head according to claim 1, wherein said curable resin composition comprises from 5 to 40 weight percent of said difunctional epoxy resin based on the total weight of said curable resin composition. 8. The ink-jet print head according to claim 1, wherein said photoinitiator is a cationic photoinitiator. 9. The ink-jet print head according to claim 1, wherein said radiation curable resin composition comprises from 1 to 10 weight percent of said photoinitiator based on the total weight of said curable resin composition. 10. The ink-jet print head according to claim 1, wherein said radiation curable resin composition comprises a non photoreactive thermal polymerizable compound. 11. The ink-jet print head according to claim 10, wherein said non photoreactive thermal polymerizable compound is an aliphatic lactone. 12. The ink-jet print head according to claim 11, wherein said aliphatic lactone has the following general formula: wherein n is an integer of from 1 to 20. 13. The ink-jet print head according to claim 12, wherein n is an integer of from 3 to 15. 14. The ink-jet print head according to claim 12, wherein said aliphatic lactone is selected from the group consisting of propiolactone, butyrolactone, valerolactone, and caprolactone. 15. The ink-jet print head according to claim 12, wherein said aliphatic lactone is ε-caprolactone. 16. The ink-jet print head according to claim 10, wherein said curable resin composition comprises from 10 to 40 weight percent of said thermal polymerizable compound based on the total weight of said curable resin composition. 17. The ink-jet print head according to claim 10, wherein said curable resin composition comprises a thermal polymerization initiator. 18. The ink-jet print head according to claim 17, wherein said thermal polymerization initiator is a compound selected from the group consisting of aliphatic and aromatic amides, aliphatic and aromatic alcohols, aliphatic and aromatic diols, aliphatic and aromatic polyols, and phenols. 19. The ink-jet print head according to claim 17, wherein said thermal polymerization initiator is a compound selected from the group consisting of fluorinated aliphatic and aromatic alcohols. 20. The ink-jet print head according to claim 17, wherein said curable resin composition comprises from 1 to 20 weight percent of said thermal polymerization initiator based on the total weight of said curable resin composition, 21. The ink-jet print head according to claim 1, wherein said curable resin composition comprises an adhesion promoter. 22. The ink-jet print head according to claim 21, wherein said adhesion promoter is a compound selected from the group consisting of a transition metal chelate, a mercaptan, a thiol-containing compound, a carboxylic acid, an organic phosphoric acid, a diol, an alkoxysilane, a combination of an alkoxysilane and a hydroxy-functional polyorganosiloxane, and a combination thereof. 23. The ink-jet print head according to claim 21, wherein said adhesion promoter is a epoxy-functional alkoxysilane selected from the group consisting of 3-glycidoxypropyltrimethoxysilane, 3-glycidoxypropyltriethoxysilane, (epoxycyclo hexyl) ethyldimethoxysilane, (epoxycyclohexyl)ethyldiethoxysilane and combinations thereof. 24. The ink-jet print head according to claim 21, wherein said adhesion promoter is a unsaturated alkoxysilane selected from the group consisting of vinyltrimethoxysilane, allyltrimethoxysilane, allyltriethoxysilane, hexenyl-trimethoxysilane, undecylenyltrimethoxysilane, 3-methacryloyloxypropyl trimethoxysilane, 3-methacryloyloxypropyl triethoxysilane,3-acryloyloxypropyl trimethoxysilane, 3-acryloyloxypropyl triethoxysilane, and combinations thereof. 25. The ink-jet print head according to claim 21, wherein said curable resin composition comprises from 1 to 20 weight percent of said adhesion promoter based on the total weight of said curable resin composition. 26. The ink-jet print head according to claim 1, wherein said substrate is made of a material selected from the group consisting of glass, metal, plastic, ceramic, and silicon. 27. A radiation curable resin composition comprising (1) a cyclic aliphatic multifunctional epoxy resin represented by the following general formulas A1 or A2 wherein R1 is a linear or branched alkylene group, m is an integer of from 3 to 20, n is an integer of from 0 to 5, h is an integer of from 1 to 5, and g is an integer of from 1 to 3, with the proviso that the result of h multiplied per g is at least 3, (2) a cyclic aliphatic difunctional epoxy resin represented by the following general formula wherein R2 is a carboxyalkylene group of formula —(CH2)p—COO— or —(CH2)q—COO—(CH2)r—OOC—(CH2)s— and p, q, r, and s each independently is an integer of from 1 to 9,(3) a photoinitiator; and(4) an aliphatic lactone. 28. A curable resin composition comprising (1) from 20 to 70 weight percent of a cyclic aliphatic multifunctional epoxy resin represented by the following general formulas A1 or A2 wherein R1 is a linear or branched alkylene group, m is an integer of from 3 to 20, n is an integer of from 0 to 5, h is an integer of from 1 to 5, and g is an integer of from 1 to 3, with the proviso that the result of h multiplied per g is at least 3, and(2) from 5 to 40 weight percent of a cyclic aliphatic difunctional epoxy resin represented by the following general formula wherein R2 is a carboxyalkylene group of formula —(CH2)p—COO— or —(CH2)q—COO—(CH2)r—OOC—(CH2)s— and p, q, r, and s each independently is an integer of from 1 to 9, and(3) an aliphatic lactonewherein the weight percent is based on the total weight of said radiation curable resin composition.
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