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Method for applying formulations which contain bacteriorhodopsin onto substrates, and products produced by this method

一种细菌视紫红质、基质的技术，应用在印刷品、运输和包装、印刷的后处理等方向，能够解决图案可见性或可识别性不可能、表面光泽损害图案可见性或可识别性等问题

Inactive Publication Date: 2013-02-27
WEBORG IMAGES GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0025] However, very smooth surfaces often exhibit a glossy
The surface gloss is capable of seriously impairing the visibility or legibility of the pattern, or making the visibility or legibility of the pattern impossible

Method used

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  • Method for applying formulations which contain bacteriorhodopsin onto substrates, and products produced by this method

Examples

Experimental program
Comparison scheme
Effect test

example 1

[0128] Example 1: Application by screen printing

[0129] Here, examples are given of free-radical UV-curable PM formulations (GWT: weight percent) with the exclusion of oxygen:

[0130] Film former: HEMA-TMDI 77.20GWT

[0131] Reactive diluent: TPGDA 8.90GWT

[0132] Free radical starter: 2-Hydroxy-2-methyl-1-phenylpropan-1-one 1.75GWT

[0133] Benzophenone 0.45GWT

[0134] Acylphosphine oxide photoinitiator 0.10GWT

[0135] Surfactant: Ethoxylated nonionic fluorosurfactant 0.05GWT

[0136] Rheological additive: pyrogenic silicic acid 0.10GWT

[0137] Pigment: Solvent Red 118 0.05GWT

[0138] μ-powder: according to CH 00684 / 09 and 11.40GWT

[0139] PCT / EP2010 / 053673

[0140] In the case of using said formulations, the pattern is applied by screen printing onto a paper substrate having a thickness of 6 microns to 12 microns.

[0141] Next, the coating is exposed to UV radiation for a period of a few tenths of a second, and the substrate is then calendere...

example 2

[0145] Example 2: Application by flexographic printing

[0146] For flexographic printing use the following PM formulations:

[0147] Film former: HEMA-TMDI 77.20GWT

[0148] Reactive diluent: TPGDA 8.90GWT

[0149] Free radical starter: 2-Hydroxy-2-methyl-1-phenylpropan-1-one 1.75GWT

[0150] Benzophenone 0.45GWT

[0151]Acylphosphine oxide photoinitiator 0.10GWT

[0152] Surfactant: Ethoxylated nonionic fluorosurfactant 0.10GWT

[0153] Rheological additive: pyrogenic silicic acid 0.05GWT

[0154] Pigment: Solvent Red 118 0.05GWT

[0155] μ-powder: According to CH 00684 / 09 and 11.40GWT

[0156] PCT / EP2010 / 053673

[0157] This results in lower viscous colors than for screen printing according to Example 1.

[0158] In the case of using the formulation, the pattern is applied flexographically to a 2 The surface coating weight is on a paper substrate.

[0159] Next, the coating was exposed to UV radiation for a period of a few tenths of a second, and th...

example 3

[0163] Example 3: Apparatus for implementing the method

[0164] exist figure 1 A device for carrying out the method according to the invention is shown diagrammatically in very schematic form. A substrate web 1 made of paper passes through the device in direction A. In this case, the substrate web first passes through an antistatic unit 10 for reducing electrostatic charges. In a coating unit 20 for flexographic printing (here by way of example with dyebath 21 , dip roll 22 , anilox roll 23 , doctor blade 24 , plate cylinder 25 and impression cylinder 26 ), the PM formulation will be formed The pattern of is coated on the substrate web 1. In the orientation tunnel 30 with a plurality of rollers 31 , the substrate web 1 is deflected several times and stretched slightly, whereby the color-changing pigments are aligned in a pattern. The patterned substrate is now partially dried in a UV interdryer 40 so that the substrate is then still tacky. Next, the substrate is calender...

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PUM

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Abstract

The invention relates to a method for producing a coating in regions on the basis of a formulation which contains bacteriorhodopsin colour-changing pigment in the form of an active colour-change motif on a subtstrate, and to coatings which are produced using a method of this type and to articles having coatings of this type. Here, the method comprises the following steps: a) printing of the substrate, in the form of a motif, with the formulation which contains bacteriorhodopsin colour-changing pigment; b) partial drying of the printed substrate; c) optionally repetition of steps a) and / or b); d) calendering of the printed and partially dried substrate; e) complete drying of the coating.

Description

technical field [0001] The invention relates to a method for improved application of bacteriorhodopsin-containing preparations to substrates and to the products produced using this method, such as, inter alia, safety features and product markings. Background technique [0002] Well known is photochromism from the membrane protein bacteriorhodopsin (BR) which can be obtained from extremely halophilic archaea and the subject of a whole series of patents, for example in the literature and the background cited in said literature Described in the literature: EP-A-0 406 850; EP-A-0 487 099; EP-A-0 655 162; EP-A-0 532 029; EP-A-1 171 309; 1 459 301. [0003] However, BR showed said discoloration only in the membrane-bound form, which is referred to as the purple membrane (PM). Now, in the PM-bound BR, a phototriggerable range from purple (in the dark or after resetting with the aid of blue light) to mustard yellow (after exposure to white or green light) is shown when properly fo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B41M3/14B41M7/00B42D15/00B42D15/10
CPCB41M3/142B41M3/144Y10T428/24802
Inventor 乌尔里克·里特马尔库什·朗热塞缪尔·申德勒
Owner WEBORG IMAGES GMBH
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