Screen Printing – Research

The printing technique known as Screen Printing was first practised in China over 2000 years ago. The screen was created out of human hair stretched around a wooden frame and the shapes on the print were formed by sticking leaves in between the hair grid.

It was then adopted by the Japanese who used woven silk instead of human hair – this is where the technique got its alternative name of Silk Screen Printing.

Then in 1907, it was Samuel Simon near Manchester who patented the first ever industrial screen printing process. Many years later close to the First World War, John Pilsworth of San Francisco developed the Selectasine method, which basically introduced the concept of multi-color printing using the same screen. Different areas on the screen were blocked out for different color inks, thus resulting in a multi-colored image. This technique became hugely popular for printing signs and posters in large quantities.(what is screen printing, 2015)

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Here is how screen printing or silk screen printing is done.

For Cornish Country Cordials, I am wanting to create designs for the packaging that shows the taste of the cordial through the design. An example of how this could be done is using rigid or thick shapes for cordials that have a bitter or strong taste, whereas I could use soft shapes or wavy lines for cordials that are refreshing or delicate. I feel screen printing could be an interesting method to create the designs with, as I really like the boldness of screen printing and I like how the imperfections of the prints can look – which could help to portray the homemade aspect of the cordials.

WORKSHOP

Yesterday I took part in a workshop on colour separation, which is used in the screen printing process. Basically, colour separation is separating colours into CMYK, this stands for cyan, magenta, yellow and black.  When small dots are created in these colours and are layered over each other any colour can be made.

Once the colours have been separated in photoshop and each printed separately, the images can then be transferred to individual silk meshes using a photo emulsion machine. Once printed, the mesh is left with small holes open where the ink is allowed to pass through. To then screen print you put your first mesh on top of our paper and apply a layer of ink to the mesh using a squeegee to have an even coat. To build up the colour, you apply each colour ink on top of each other and the result will be small dots on the page which when viewed the human eye will see the final image.

IMAGES COMING SOON!

Edwards Screen Print Design

Here is my design that I created for this screen printing workshop – anything which is black will be the colour part of the print. In Screen Printing you have to transfer your design onto acetate before you do the next step.

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The screen is prepared in an emulsion machine (as seen above). In the emulsion machine, you lay your design down and place over the top, face down, the silk screen.20170504_142802

Once the machine has completed the process of transfering your design onto the silk screen, you won’t be able to see the design very easily. All you need to do to resolve this is to wash the silk screen thoroughly and the design will be more visible.

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Next, you will need to tape around the edge of the silk screen to ensure no paint goes anywhere, apart from where you want it.

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