EP0453578A1
Expired / Lapsed
EP
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Ink jet recording method
Assignee: Seiko Epson Corp
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Filing: 1990-11-15
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Granted: —
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Expires: 2010-11-15
Abstract
Abstract This invention relates to an ink jet recording method having improved printing stability characterized in that at least part of an ink supply system member in an ink jet recording apparatus is made of a plastic material and an ink composition having a contact angle range of 10 to 60 DEG relative to the plastic material is used as a supply ink for the ink jet recording apparatus. <IMAGE>
Inventors
- 👤 Hiroko Seiko Epson Corporation Hayashi
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-10-29 02:49
CPC Classifications
C; C09; C09D; C09D11/00; C09D11/30; B; B41; B41J; B41J2/00; B41J2/005; B41J2/01; B41J2/17; B41J2/175
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
57 words
An ink-jet recording method wherein at least a portion of an ink supply system member in an ink jet recording apparatus is composed of a plastic material, the ink jet recording method using an ink composition having a contact angle in the range of 10 to 60° to the plastic material of the ink supply system member.
Claim 2
Dependent Claim
26 words
The method according to claim 1, wherein the contact angle of the ink composition to the plastic material is in the range of 15 to 50°.
Claim 3
Dependent Claim
26 words
The method according to claim 1, wherein the contact angle of the ink composition to the plastic material is in the range of 20 to 40°.
Claim 4
Dependent Claim
40 words
The method according to claim 1, wherein the ink supply system member in the ink jet recording apparatus has an ink ejection head, an ink supply tube and an ink tank, and the ink ejection head comprising a plastic material.
Claim 5
Dependent Claim
104 words
The method according to claim 1, wherein the ink composition contains from 0.1% to 5% by weight of at least one compound represented by the formulae (I) and/or (II): wherein R₁ is a group selected from hydrogen, an alkyl group, an amino group, a hydroxyl group, and halogen; R₂ and R₃ are each hydrogen or an alkyl group; R₄ is hydrogen or an amino group; and M is an alkali metal or an alkanol amine; and wherein R₁ is a group selected from hydrogen, an alkyl group, an amino group, a hydroxyl group, and halogen; and R₂ is a substituted or unsubstituted alkyl group.
Claim 6
Dependent Claim
34 words
The method according to claim 5, wherein the ink composition contains at least one wetting agent selected from the group consisting of ethylene glycol, diethylene glycol, triethylene glycol, polyethylene glycol and glycerin, and water.
Claim 7
Dependent Claim
62 words
An ink-jet recording apparatus wherein at least a portion of an ink supply system member in an ink jet recording apparatus is composed of a plastic material, the ink jet recording apparatus having an ink supply system holding an ink composition having a contact angle in the range of 10 to 60° to the plastic material of the ink supply system member.
Claim 8
Dependent Claim
38 words
An ink composition for ink-jet recording characterized in that it has a contact angle in the range of 10 to 60° to an ink supply system member composed of a plastic material in an ink jet recording apparatus.
References Cited (Backward Citations)
No citation records indexed.
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