Mold Your Own Plastic
Molding is the process of manufacturing by shaping pliable raw material using a rigid frame or model called a pattern.
A mold or mould is a hollowed-out block that is filled with a liquid like plastic, glass, metal, or ceramic raw materials. The liquid hardens or sets inside the mold, adopting its shape. A mold is the opposite of a cast. A release agent is typically used to make removal of the hardened/set substance from the mold easier.
Big name for an easy process
While the PM industry tends to focus on this application in powdered metallurgy and powdered ceramics, this technology can also be applied to plastics.
It is well known that the integrity of chemically dissolved plastics is much weaker than virgin material, but just like the fusion of a powdered metal forms a better bond as opposed to pour molding, so does powdered plastic, resulting in stronger parts.
Many parts in gear reduction and combustion engines are now formed from particulate materials.
How can you use this to your home advantage?
For one, there is no chemical smell from the reactants, or the release of many toxins like the mercide compounds associated with heat meltingplastic for reforming.
For another, it would be fairly simple to implement a simple grinding mechanism to create plastic powders from basic recyclable products, to reform into your products.
Once powdered you would compact the product into your mold and heat to just under the plastics melting point making this process less toxic than even welding theplastic with a bonding agent or especially heat bonding.
Picture this: Recycling your own pop and water bottles? Broken toys? Old computer cases? Old electronics, such as alarm clocks and microwave doors? How about making a living by stripping down a wrecked car that you buy for a few hundred dollars. Lots of plastic parts in the new cars!
Kinda helps you to realize why I hated the cash for clunkers program so deeply huh?
What can you do with this new recycling stream? Form up sculptures, like the resin cast statues, to sell on Etsy or Ebay. Of course, polystyrene and the like aren’t very UV light friendly so I wouldn’t recommend any out door products unless you could buy the inhibitors.
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