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Improvements in or relating to edible inks

An ink, food grade technology, applied in ink, confectionery, applications, etc., can solve problems such as low optimal viscosity range

Inactive Publication Date: 2009-07-22
SUN CHEM CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, when such fluids are applied to substrates at elevated temperatures, such as 70°C, their viscosities are generally below the optimum viscosity range for effective inkjet printing

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] Example 1: Fluid Inkjet Ink

[0030] Element Quantity (% by weight) Polyethylene glycol 200 molecular weight 65.95 triacetin 20.00 glycerin 10.00 * FD&C Blue No.1 3.50 Polysorbate 80 0.50 Methylparaben 0.05

[0031] * Commercial powdered dyes available from Sensient Colors, Inc., St Louis, Missouri, USA.

[0032] Polyethylene glycol, triacetin, glycerin, polysorbate, and methylparaben were mixed together for approximately 5 minutes. Add the dye while continuing to mix, and continue mixing for an additional 30 minutes. The resulting fluid was filtered with a 1 μm filter.

[0033] The formed ink had a viscosity of 11.2 mPa.s at 70°C. At 25°C, the viscosity is 91mPa.S. The ink has a surface tension of 38 dynes / cm (0.035 to 0.040 N / m) at 25°C. It was inkjet printed from a Spectra Nova 256 AAA print head using print head frequencies of 8 and 12 kHz and a temperature of 70°C using a 100% duty cycle. The maximum value ...

Embodiment 2

[0037] Example 2: Hot melt inkjet ink

[0038] Element Quantity (% by weight) PEG 1000 90.45 PEG 200 6 * FD&C Blue No.1 Lake 3 Polysorbate 80 0.5 Methylparaben 0.05

[0039] The FD&C lake was mixed with PEG 200 by a high shear Silverson mixer and then passed through a Dispermat sand mill until the particle size was submicron. This concentrate was then mixed into molten PEG 1000 by stirring the sample under high shear stirring while maintaining at 100°C on a hot plate. Add the other ingredients and mix the total ink for 20 minutes. The ink is solid at room temperature and inkjet printing was performed at 125°C. At 125°C, the ink has a viscosity of 12.2 mPa.s.

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Abstract

An ink comprises a high-boiling gylcol and an edible colorant with optional further ingredients. The ink is an edible ink that is preferably suitable for application to substrates, especially food products, using ink-jet printing.

Description

technical field [0001] The present invention relates to edible ink compositions, their manufacture and applications. In particular, the invention relates to inks for food applications. technical background [0002] It is known to use inks to apply messages to or to decorate food products. Recently, as inkjet printing has been widely used in many printing applications, the printing method has been applied to a variety of food products, for example, for printing information such as "use by" dates on products such as eggs, or for applying decoration material. [0003] In one known method for decorating cakes, biscuits, etc., using an inkjet printer, a pattern or image is printed onto an edible layer of material and this layer is placed on the edible product, especially a cake, biscuit, etc. , as a result, the pattern or image is incorporated into the surface of the edible product. In another known method, an inkjet printer is used to print a pattern or image onto a laminate...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A23L1/27C09D11/00C09D11/02C09D11/16A23G3/34A23L5/40
CPCC09D11/34A23L1/275A23L1/2756C09D11/30A23L5/42A23L5/47C09B67/0014C09B67/0083
Inventor 奈杰尔·安托尼·凯杰安德鲁·罗宾·巴尔克丽贝卡·索非亚·威廉姆斯
Owner SUN CHEM CORP