摘要:
An indexing image for craft stamps that is opaque to the eye but transparent to UV light is produced by printing a wavelength-specific solvent-based ink on the stamp substrate. This eliminates the step of printing a separate adhesive-backed indexing image sheet and applying it to the substrate.
摘要:
A method of manufacturing metallic articles from a metal substrate includes the steps of: a) jetting an image with a UV curable inkjet ink on at least one surface of the metallic substrate; b) UV curing the image; c) electroplating or acidic etching the at least one metallic surface not covered by the UV cured image; and d) stripping or solubilising the UV cured image by an aqueous alkaline solution; wherein the UV curable inkjet ink has a viscosity of no more than 100 mPa·s at 25° C. and at a shear rate of 1,000 s−1; and wherein the UV curable inkjet ink contains a specific polymerizable composition and up to 20 wt % of photoinitiator including at least one of an acyl phosphine oxide photoinitiator and a thioxanthone photoinitiator.
摘要:
The present invention addresses the problem of forming, using a sublimation ink, an image that is free of outline blurring on a transfer medium even when the thickness of an ink fixation layer is increased. In order to solve this problem, a transfer film 10 is provided with a base material film 11, a transfer binder layer 12, a sublimation ink layer 13, and a mask layer 14 which is provided in a region where sublimation ink is not transferred to media 100, the transfer binder layer 12 being configured from a material which is permeated by sublimation of the sublimation ink.
摘要:
A method for producing flexographic printing plates, using a photopolymerizable flexographic printing element having, arranged one atop another, a dimensionally stable support, a photopolymerizable, relief-forming layer, an elastomeric binder, an ethylenically unsaturated compound, and a photoinitiator, and optionally a rough, UV-transparent layer, a particulate substance, and digitally imagable layer. The method includes: (a) producing a mask by imaging the digitally imagable layer, (b) exposing the photopolymerizable, relief-forming layer through the mask with actinic light, and photopolymerizing the image regions of the layer, and (c) developing the photpolymerized layer by washing out the unphotopolymerized regions of the relief-forming layer with an organic solvent, or by thermal development. Step (b) includes (1) exposure with actinic light with an intensity of ≧100 mW/cm2 from a plurality of UV-LEDs and (2) exposure with actinic light with an intensity of
摘要翻译:一种用于制造柔版印刷版的方法,其使用具有彼此重叠的尺寸稳定的载体,可光聚合的凸版形成层,弹性体粘合剂,烯键式不饱和化合物和光引发剂的可光聚合柔性版印刷元件,以及任选地 粗糙的,UV透明的层,颗粒物质和数字成像层。 该方法包括:(a)通过对数字成像层进行成像来产生掩模,(b)通过光化曝光使可光聚合的凸版形成层通过掩模曝光,并使该层的图像区域光聚合,和(c) 通过用有机溶剂洗涤凸版形成层的未光聚合区域,或通过热显影来洗涤光聚合层。 步骤(b)包括(1)从多个UV-LED曝光强度为> 100mW / cm 2的光化光,和(2)用UV辐射强度为<100mW / cm 2的光化光曝光 光源除UV-LED外。
摘要:
A method of creating a digital mask in situ for use in a process of making digital flexographic printing elements. The digital mask is created by laminating the negative image that is the by-product of a thermal proofer to a photosensitive printing plate. Thereafter, the photosensitive printing element can be imaged, exposed, and developed in the usual manner.
摘要:
In some embodiments, a method may include selectively applying a mask to a first surface of a substrate. The mask may include one or more components defining a selected pattern and having a non-uniform density. The method may further include etching the first surface of the substrate based on the mask and selectively processing the first surface of the substrate to produce a multi-dimensional artwork.
摘要:
The present invention addresses the problem of forming, using a sublimation ink, an image that is free of outline blurring on a transfer medium even when the thickness of an ink fixation layer is increased. In order to solve this problem, a transfer film 10 is provided with a base material film 11, a transfer binder layer 12, a sublimation ink layer 13, and a mask layer 14 which is provided in a region where sublimation ink is not transferred to media 100, the transfer binder layer 12 being configured from a material which is permeated by sublimation of the sublimation ink.
摘要:
A system and method of preparing a flexoplate so it is suitable for the printing of high resolution patterns. The method includes controlling the curing conditions of the flexoplate, thereby controlling the properties of said flexoplate such as floor thickness, pattern cross-sectional geometry, repeatability of printed features during the printing process, and durability of the flexoplate during the printing process.
摘要:
A method of developing a photocurable printing blank to produce a relief pattern comprising a plurality of relief dots. The photocurable printing blank comprises a backing layer having at least one photocurable layer disposed thereon, a barrier layer disposed on the at least one photocurable layer, and a laser ablatable mask layer disposed on top of the barrier layer. The method includes the steps of (1) imaging the at least one photocurable layer by ablating the laser ablatable mask layer to create the relief pattern on the photocurable printing blank the printing blank to actinic radiation through the barrier layer and mask layer to one or more sources of actinic radiation to selectively crosslink and cure portions of the at least one photocurable layer, wherein the at least one photocurable layer is crosslinked and cured in the portions not covered by the mask layer, thereby creating the relief pattern; (3) developing the printing blank to remove the barrier layer, the laser ablated mask layer and uncured portions of the photocurable layer and reveal the relief pattern. The presence of the barrier layer produces printing dots having desired characteristics. The method can also be used with an analog platemaking process that uses a negative instead of an ablatable mask layer.
摘要:
A method for creating a graphic image on a reflective metal surface. A digital representation of the graphic image in a negative form is created on a computer and stored in memory. The negative image is then sent to an inkjet printer, where ultraviolet light curable ink representative of the negative image is printed onto the reflective metal surface using the inkjet printer. The portions of the reflective metal surface that are not covered with the ink remain exposed. The reflective metal in the exposed areas is mechanically scuffed to render it less reflective and visually distinct from the covered portions. The ultraviolet light curable ink is then removed with a high pressure water spray to reveal the graphic image made by the contrast between the original reflective metal and the scuffed metal surfaces.