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In medieval times, ink was a vital component for scribes and scholars. Most ink used in this period was iron gall ink, made from iron salts and tannic acids from gallnuts. Storing this ink properly was crucial to prevent it from spoiling or drying out. Typically, ink was stored in small vessels made from materials such as pottery, glass, metal, or even animal horns. These containers were designed with narrow necks to minimize air exposure, which helped preserve the ink's fluidity and prevent it from drying. Some containers also had tight-fitting lids or stoppers for added protection. Monasteries, which were the centers for learning and book production, often had dedicated ink storage solutions, reflecting the importance of ink in the preservation and dissemination of knowledge.
Resining paper involves coating paper with a layer of resin to enhance its durability, appearance, or to embed items within. Start by selecting your paper and the type of resin (epoxy is commonly used for its clarity and strength). Prepare your workspace with plastic sheets or wax paper to prevent sticking, and wear gloves to protect your hands. Mix the resin according to the manufacturer's instructions, ensuring a correct ratio for hardening. Apply the resin to the paper using a brush or pour it directly over for an even coat, spreading it to the edges. Remove any bubbles that form with a heat gun or by gently blowing on the surface. Allow it to cure in a dust-free environment for the time specified by the resin manufacturer, typically 24-72 hours. After curing, you can trim the edges for a neat finish. This process is perfect for preserving artwork, creating bookmarks, or making decorative panels.
To prepare a 20wt% polymer solution, you first need 20g of the polymer and 80g of the solvent, as the weight percentage (wt%) is calculated based on the total weight of the solution. Begin by accurately weighing the polymer on a balance, and then add it to a beaker. Next, measure 80g of your chosen solvent - ensure it’s compatible with your polymer for effective dissolving. Gradually add the solvent to the polymer under constant stirring to avoid clumping and ensure a homogeneous mixture. Heating or sonication might be necessary to fully dissolve the polymer, depending on its solubility properties. Ensure the mixture is cool and properly mixed before use. It’s important to conduct this process in a well-ventilated area or under a fume hood, and to wear appropriate personal protective equipment (PPE).
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