Turn milk into plastic

Make mouldable plastic from milk with a simple DIY project. Follow step-by-step instructions to create your own plastic at home using milk and vinegar. Discover the fascinating history of milk-based plastic and its applications. Stay safe by following the safety guidelines provided in the activity. Enjoy crafting your unique plastic creations!

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• Milk plastic
• DIY project
• mouldable plastic
• homemade plastic
• safety guidelines

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Uploaded on Dec 23, 2023 | 0 Views

Presentation Transcript

1. Turn milk into plastic A project to make a mouldable plastic from milk

2. Stay safe Whether you are a scientist researching a new medicine or an engineer solving climate change, safety always comes first. An adult must always be around and supervising when doing this activity. You are responsible for: ensuring that any equipment used for this activity is in good working condition behaving sensibly and following any safety instructions so as not to hurt or injure yourself or others Please note that in the absence of any negligence or other breach of duty by us, this activity is carried out at your own risk. It is important to take extra care at the stages marked with this symbol:

3. Milk plastic Plastic has been made from milk for over 100 years! This type of plastic is called Casein It was used to make things like buttons and the cases for radios This is how plastics were made before 1945, when synthetic plastics were invented

4. Step 1 Warm the milk Measure 1 cup (250ml) milk into a saucepan Heat the milk until it is steaming This should make 4 shapes

5. Step 2 Add vinegar Remove the saucepan from the heat Add 4 teaspoons of vinegar Gently stir for 1 minute - the milk will curdle

6. Step 3 Sieve the milk Sieve the milk over a sink Make sure the liquid has all drained off Let it cool Gently press the curds in the sieve, to squeeze out the liquid

7. Step 4 Remove the liquid Remove the curds and gently squeeze to remove the liquid Use a cloth or paper towel to remove more liquid Make a curd ball This is your plastic!

8. Step 5 Ready to mould Press the curd into a mould Place the shape onto baking paper Leave on a radiator to dry