AU2001272212B2 - Coating ink jet printed glossy substrates - Google Patents
Coating ink jet printed glossy substrates Download PDFInfo
- Publication number
- AU2001272212B2 AU2001272212B2 AU2001272212A AU2001272212A AU2001272212B2 AU 2001272212 B2 AU2001272212 B2 AU 2001272212B2 AU 2001272212 A AU2001272212 A AU 2001272212A AU 2001272212 A AU2001272212 A AU 2001272212A AU 2001272212 B2 AU2001272212 B2 AU 2001272212B2
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- AU
- Australia
- Prior art keywords
- printing process
- organic liquid
- process according
- ink jet
- image
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
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Description
WO 02/06055 PCT/AU01/00862
I
Coating ink jet printed glossy substrates FIELD OF THE INVENTION The present invention relates to an improved printing process. In particular, the present invention relates to an improved process for ink jet printing.
BACKGROUND OF THE INVETION Ink jet printers have many advantages for both business and home based business printing needs. Ink jet printers are, when compared with other printer types, such as dot matrix printers and laser printers a very acceptable compromise between quality of print and the cost of the print. Importantly, for many users the initial purchase cost of the equipment is significantly lower than laser printers. Ink jet printers are able to produce high-resolution images when compared with those produced by dot matrix printers and at a significantly lower cost than laser printers. It should also be noted that ink jet printers are able to produce colour images much more readily than laser printers, where the initial purchase cost may be an order of magnitude greater than the capital cost of the ink jet printer. For many users of ink jet printers the ability to print full colour images is particularly useful.
For these reasons the adoption of ink jet printers has been widespread and they are found in all spheres of activity from school use, to home, small and large business use.
It has, however, come to the attention of the inventor of the present invention that the colour printing from an ink jet printer on some substrates is disappointing. Ink jet printers operate by producing a stream of charged particles of liquid ink which impact on the paper in an explosive fashion to produce a printed image. The printing process is complete when the ink is dry. In very porous papers the ink spreads slightly 'bleeding' outside of the intended printing area thereby causing some blurring of the printed image. To avoid such difficulties the manufacturers of ink jet printers often recommend the use of coated paper if high quality colour definition and colour resolution is needed. Coated paper is often expensive and to a degree, this detracts from the attractiveness of the printer.
WO 02/06055 PCT/AU01/00862 2 The present invention concerns a process for the use of ink jet printers to produce high quality colour images on high gloss print stock such as business cards, cards used in sales promotional material and for other purposes. In such applications a clear striking visual image is preferred.
It has been observed that on glossy stock papers the colour intensity achieved is relatively high when the ink is deposited and gradually declines as the ink dries and ages. The final result is a very much diminished colour intensity and, in some cases a subtle colour change. For example, red often dries to an orange/pink colour, which is unacceptable for reproduction of colour images involving skin tones.
With this in mind the inventor has developed an alternative printing process for use with glossy stock printing substrates.
SUMMARY OF THE INVENTION Therefore, according to a first aspect of the present invention, although this need not be the broadest nor indeed the only aspect of the invention there is provided a printing process comprising the steps of: applying an image to a glossy substrate using an ink jet printing process; allowing the printed image to dry; and subsequently applying a thin film coating of an organic liquid to the image.
By applying the organic coating to the surface of the coated product the image is then revived as a full intensity image. The image produces a good quality colour reproduction and intensity suitable for the true colour reproduction of important documents such as business cards, promotional material and graphic images..
Preferably, the thin film of organic liquid is applied by bringing the glossy printed surface into contact with a cloth impregnated with the organic liquid.
Preferably, the thin film of organic liquid is a non-volatile hydrocarbon, for example a C16-C20 based hydrocarbon or fatty acid. Vegetable oils have been found to be very suitable for use as the organic liquid. For example, oils derived from olive, sunflower, canola, palm, coconut or soy may be used in the present invention.
WO 02/06055 PCT/AU01/00862 3 Alternative organic liquids include mineral spirits such as methylated spirits or mineral turpentine.
It is preferred that the organic liquid is odourless or has an inoffensive odour. This is not an essential feature of the invention but is more reasonably viewed as a feature that produces a product more suitable for use. Any undesirable odours can be disguised or masked by the inclusion of pleasing aromas such as a lemon fragrance.
The organic liquid may also be supplemented by the inclusion of anti-oxidant material.
The substrate material is preferably a card stock having a single glossy side being 150- 300gsm weight. The inventor has found that glossy stock sold as Chromolux of 250/300gsm is particularly preferred.
DESCRIPTION OF THE PREFERRED EMBODIMENT One or more sheets of Chromolux 200gsm paper were processed through an Epson Stylus Photo 700 printer with a full colour image. The printed document was allowed to dry and subsequently wiped with a cloth previously impregnated with canola oil infused with lemon essence.
A comparison between the image colours between a print treated as described above and an untreated image reveal a sharper, more intense image with more acceptable, realistic colours.
The present invention has been described by way of example only. Modifications and variations of the invention such as would be apparent to a skilled addressee are deemed to be within the scope of the invention.
Claims (11)
1. A printing process comprising the steps of: applying an image to a glossy substrate using an ink jet printing process; allowing the printed image to dry; and subsequently applying a thin film coating of an organic liquid to the image.
2. A printing process according to claim 1, characterised in that the thin film of organic liquid is applied by bringing the glossy printed surface into contact with a cloth impregnated with the organic liquid.
3. A printing process according to claim 1, characterised in that the thin film of organic liquid is a non-volatile hydrocarbon, for example a C16-C20 based hydrocarbon or fatty acid.
4. A printing process according to claim 3, characterised in that the organic liquid is a vegetable oil.
5. A printing process according to claim 4, characterised in that the organic liquid comprises one or more oils derived from olive, sunflower, canola, palm, coconut or soy.
6. A printing process according to claim 1, characterised that the organic liquid comprises mineral spirits such as methylated spirits or mineral turpentine.
7. A printing process according to claim 1, characterised in that the organic liquid is odourless or has an inoffensive odour.
8. A printing process according to claim 1, characterised in that the organic liquid further includes odour masking agents or scenting agents.
9. A printing process according to claim 1, characterised in that the organic liquid further includes antioxidant materials.
WO 02/06055 PCT/AU01/00862 A printing process according to claim 1, characterised in that the glossy substrate comprises a card of 150-300gsm weight.
11. A printing process according to claim 1, characterised in that the glossy substrate comprises a card of 250-300gsm weight.
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AUPQ8806A AUPQ880600A0 (en) | 2000-07-14 | 2000-07-14 | Printing process |
AUPQ8806 | 2000-07-14 | ||
PCT/AU2001/000862 WO2002006055A1 (en) | 2000-07-14 | 2001-07-16 | Coating ink jet printed glossy substrates |
AU7221201A AU7221201A (en) | 2000-07-14 | 2001-07-16 | Coating ink jet printed glossy substrates |
Publications (2)
Publication Number | Publication Date |
---|---|
AU2001272212A1 AU2001272212A1 (en) | 2002-05-02 |
AU2001272212B2 true AU2001272212B2 (en) | 2004-09-23 |
Family
ID=25636938
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU7221201A Pending AU7221201A (en) | 2000-07-14 | 2001-07-16 | Coating ink jet printed glossy substrates |
AU2001272212A Ceased AU2001272212B2 (en) | 2000-07-14 | 2001-07-16 | Coating ink jet printed glossy substrates |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU7221201A Pending AU7221201A (en) | 2000-07-14 | 2001-07-16 | Coating ink jet printed glossy substrates |
Country Status (1)
Country | Link |
---|---|
AU (2) | AU7221201A (en) |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5617262A (en) * | 1979-07-24 | 1981-02-19 | Noda Plywood Mfg Co Ltd | Smoothly planed board |
AU4469285A (en) * | 1984-08-07 | 1986-02-13 | Vega Press Pty. Ltd. | Producing printed and varnished carboard articles |
JPH1035128A (en) * | 1996-07-25 | 1998-02-10 | Seiou:Kk | High precision printing method |
-
2001
- 2001-07-16 AU AU7221201A patent/AU7221201A/en active Pending
- 2001-07-16 AU AU2001272212A patent/AU2001272212B2/en not_active Ceased
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5617262A (en) * | 1979-07-24 | 1981-02-19 | Noda Plywood Mfg Co Ltd | Smoothly planed board |
AU4469285A (en) * | 1984-08-07 | 1986-02-13 | Vega Press Pty. Ltd. | Producing printed and varnished carboard articles |
JPH1035128A (en) * | 1996-07-25 | 1998-02-10 | Seiou:Kk | High precision printing method |
Also Published As
Publication number | Publication date |
---|---|
AU7221201A (en) | 2002-01-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FGA | Letters patent sealed or granted (standard patent) | ||
PC | Assignment registered |
Owner name: PRINT MAGIC INTERNATIONAL PTY LTD Free format text: FORMER OWNER WAS: GGG PTY LTD |
|
MK14 | Patent ceased section 143(a) (annual fees not paid) or expired |