
Paper collage is a fun and experimental art form that allows for endless creative possibilities. While it may seem like a simple process of cutting and gluing, there are some important techniques to consider when working with specific materials such as plastic. In this guide, we will explore the steps and tips for successfully creating a paper collage over plastic, ensuring strong adhesion and a visually appealing final product. From choosing the right glue to dealing with air bubbles, we will cover everything you need to know to confidently tackle this unique and exciting art project.
| Characteristics | Values |
|---|---|
| Adhesive | Golden Matte Medium, Mod Podge, glue stick, Lineco PH neutral adhesive |
| Tools | Metal/plastic scraper |
| Techniques | Apply a thick layer of adhesive, use water to improve adhesion, use a sheet of scrap paper to protect the surface of the collage paper |
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What You'll Learn

Choosing the right glue
When it comes to choosing the right glue for a paper collage on plastic, there are a few options to consider. The type of glue you select will depend on the specific materials you are using and the desired result. Here are some detailed guidelines and suggestions to help you make the right choice:
For a strong and durable bond between plastic and paper, Golden Matte Medium is a recommended option. It has proven successful in adhering non-porous materials together. A similar product is available from Liquitex, which is equally effective but tends to be more expensive. When using these products, it is important to apply a generous amount and ensure a thick layer for the best adhesion.
Another option is to use a glue stick, especially if one of the surfaces is porous, such as paper. Glue sticks provide a convenient and mess-free option for smaller projects or when working with flexible plastics. However, for larger projects or when stacking multiple collages, a glue stick may not provide the necessary adhesion.
Mod Podge is another popular adhesive choice for collages. It comes in both gloss and matte finishes, allowing you to choose the one that aligns with your aesthetic preferences. While Mod Podge works well for single collages, it may not be ideal if you plan to stack or frame your artwork. The stickiness of Mod Podge can cause collages to stick together, especially in humid environments.
Additionally, when working with thin papers, it is advisable to use a scraper to force out any air bubbles and create a smooth finish. You can use a metal scraper, but be cautious as frequent use can sharpen the edges, which may cause injuries. A safer alternative is to opt for a plastic scraper, which is effective in removing air bubbles and ensuring a seamless collage surface.
Lastly, for a unique effect, you can consider using a spray sealant or a brush-on sealant like Mod Podge. Sealants not only protect your artwork but can also enhance the overall appearance. Always remember to test your chosen sealant on a small area first to ensure you achieve the desired results.
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Using a glue stick
Glue sticks are a convenient and portable option for paper collage projects. They are acid-free, easy to use, and can effectively create a flat, bubble-free surface.
When using a glue stick for a paper collage over plastic, it is important to first prepare the surface. Clean the plastic surface and ensure it is free of dust or debris. If the plastic is non-porous, you may need to use a thicker layer of glue to ensure adhesion.
Apply the glue stick generously to the paper you will be collaging. You can use glue sticks on thin papers, magazine images, and even thinner cardstock. However, for thicker cardstock or paper, a glue stick may not provide enough adhesion.
Once you have applied the glue, carefully place the paper onto the surface. Use a tool like an old credit card or your fingers to smooth out the paper and remove any bubbles or wrinkles.
For added protection and a longer-lasting collage, consider using a sealer over your finished collage. This will help prevent the paper from lifting or peeling over time.
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Applying sealant
When it comes to applying sealant to your paper collage on plastic, there are several options to consider. Firstly, it is important to establish which materials you are working with, as this will determine the best sealing method. Here are some detailed instructions for applying sealant to your paper collage on plastic:
Prepare the Surface
Before applying any sealant, ensure that your collage is complete and you are satisfied with the composition. This is important because some sealants may be permanent and difficult to remove or adjust once applied. Prepare the surface by removing any dust or debris that may have accumulated during the collage process. You can use a soft brush or a microfiber cloth for this purpose.
Choose the Right Sealant
The choice of sealant depends on the effect you want to achieve and the specific materials used in your collage. Some popular options include acrylic mediums, varnishes, and Mod Podge. Acrylic mediums act as adhesives and sealants, providing protection against UV damage and discolouration while also unifying the surface of your collage. Varnishes, on the other hand, can give a glossy or shiny effect to your collage while protecting the surface. Mod Podge is another popular option that offers a matte finish and is water-based and non-toxic.
Test on a Small Area
Before proceeding to the next step, it is highly recommended to test the chosen sealant on a small, inconspicuous area of your collage. This will allow you to ensure that the sealant does not adversely affect the colours or materials and that it provides the desired finish. Allow the test area to dry completely before proceeding, as this will give you a better idea of the final result.
Apply the Sealant
Once you are satisfied with the test area, you can begin applying the sealant to the entire collage. Carefully follow the instructions provided by the manufacturer of your chosen sealant. Use a brush or sponge to apply a thin, even coat to the surface of your collage. Ensure that you work in a well-ventilated area and follow any safety precautions specified by the manufacturer. Allow the sealant to dry completely before determining whether your collage requires an additional coat.
Protect Your Work
After applying the sealant, it is important to protect your finished collage from dust, light, and other potential sources of damage. If your collage is on a canvas, you may want to consider framing it under UV-protective glass, which offers excellent protection against UV light, dirt, and dust. Alternatively, if you prefer not to mount your collage behind glass, varnishing or top coating can provide a suitable level of protection.
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Using a plastic scraper
A plastic scraper is an essential tool when creating paper collages. It is used to force out air bubbles and address any lumpiness in the glue-down. To use a plastic scraper effectively, follow these steps:
First, protect the surface of your collage paper by placing a sheet of scrap paper over it before pressing and pulling with the scraper. This is especially important when working with thin papers to avoid tearing or damage.
Next, prepare your glue. Paint the glue onto the surface you wish to adhere the paper to, and then immediately place the paper on top. You can use a variety of glues, such as Mod Podge (gloss), Golden Matte Medium, or a glue stick, depending on your preference and the materials you are working with.
Once the paper is in position, use the plastic scraper to smooth out any air bubbles or glue lumps. You can also spray the back of the paper with water before applying glue to help with adhesion and prevent bubbles. The water causes the paper to expand, improving the smoothness of the final collage.
It is important to note that when using a plastic scraper, you should avoid letting your hand touch the collage excessively. It is recommended to keep a water bucket and a dry towel nearby to prevent glue from sticking to your hands or other unwanted surfaces.
Additionally, if you are working with small pieces of paper or intricate details, craft tweezers can be helpful for precise placement before using the plastic scraper to smooth out any imperfections.
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Dribbling glue
When creating a paper collage, the choice of glue is important to ensure your artwork is durable and long-lasting. Dribbling or spreading glue onto the paper is a common technique, and there are several types of glue that can be used for this.
A glue stick is a convenient and effective option for paper collages. The Tombow Glue Stick is a popular choice for sticking medium and lightweight papers, as it minimises wrinkles and prevents excess glue from seeping out. Glue sticks are also acid-free, making them suitable for archival artwork, and they are easy to apply generously for a flat, bubble-free surface.
Water-based glues like UHU Stic are also suitable for paper collages. They can be applied with a brush or foam brush, and while they have a higher moisture content, any bubbles or wrinkles can be smoothed out with an old credit card. This glue dries quickly, allowing you to work on your collage without having to wait too long.
For thicker papers or papers with multiple layers of paint, a gel medium like the Golden Gel Medium may be preferable. This type of glue provides a thicker coating and a stronger bond, which is necessary for heavier papers.
If you are gluing plastic to paper, some artists recommend using a medium like Golden Matte Medium, which can effectively adhere non-porous materials together. A thick layer of this medium can be used to ensure the plastic stays adhered to the paper.
Additionally, Mod Podge is a popular decoupage glue that can be used for collage, both as an adhesive and a sealant. It offers a durable, water-based coating and can be applied with a brush or palette knife. However, it may cause collages to stick together if they are stacked before drying, so it may be more suitable for single collages that are not framed.
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Frequently asked questions
Golden Matte Medium is a good option for gluing paper to plastic. You can also use a glue stick, Mod Podge, or Liquitex.
Paint the glue onto the surface, then immediately place the paper on top and rub. Quickly turn the paper over and rub again to remove any excess glue.
Use a plastic scraper to force out any air bubbles. Alternatively, spray the back of the paper with water, brush off the excess, then apply glue before placing the paper.











































