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A pretty creative way to cool lots of water... 🌌Get Nebula using my link for 40% off an annual subscription: https://ift.tt/c7vqNya 🚢Watch The Raising of the Titanic: https://ift.tt/2ivcwRx In a world full of straight lines and right angles, I love that every once in a while, it just makes good engineering sense to use curvy shapes to accomplish a really important job. Watch this video ad-free on Nebula: https://ift.tt/wS9YkQc Signed copies of my book (plus other cool stuff) are available here: https://ift.tt/4gkpViA Practical Engineering is a YouTube channel about infrastructure and the human-made world around us. It is hosted, written, and produced by Grady Hillhouse. We have new videos posted regularly, so please subscribe for updates. If you enjoyed the video, hit that ‘like’ button, give us a comment, or watch another of our videos! CONNECT WITH ME ____________________________________ Website: https://ift.tt/UFLqtDI Twitter: https://twitter.com/HillhouseGrady Instagram: https://ift.tt/uzZIEUX Reddit: https://ift.tt/Eutp9Wh Facebook: https://www.facebook.com/PracticalEngineerGrady Patreon: https://ift.tt/uvLEyC7 SPONSORSHIP INQUIRIES ____________________________________ Please email my agent at practicalengineering@standard.tv DISCLAIMER ____________________________________ This is not engineering advice. Everything here is for informational and entertainment purposes only. Contact an engineer licensed to practice in your area if you need professional advice or services. All non-licensed clips used for fair use commentary, criticism, and educational purposes. SPECIAL THANKS ____________________________________ This video is sponsored by Nebula. Stock video and imagery provided by Getty Images, Shutterstock, Pond5, and Videoblocks. Music by Epidemic Sound: https://ift.tt/DPjJLEW Tonic and Energy by Elexive is licensed under a Creative Commons Attribution License Source: https://www.youtube.com/watch?v=U6fBPdu8w9U Video by Grady Hillhouse Edited by Wesley Crump Produced by Ralph Crewe Graphics by Nebula Studios
Raw polymer is the general term for various types of polymeric materials, and therefore, it does not have a single formula. Instead, a specific formula is needed for a particular type of raw polymer. For example, the chemical formula for a type of raw polymer called polyethylene (PE) is as follows: \[ (CH_2CH_2)_n \] Here, \( n \) represents the number of repeating ethylene monomers in the polymer chain. Therefore, the molecular structure of polyethylene consists of repeated CH2CH2 monomers polymerized in a chain. How are polymers made? Polymers are made by the coming together of small molecules called monomers to form long, chain-like polymer molecules. This process is called polymerization, and there are two types: 1. Solid-State Polymerization: In this method, monomers react to form polymer chains using temperature, pressure, and/or solvent. This method is slower and more expensive. 2. Solution Polymerization: Monomers dissolve in a solvent, and an initiator agent (usually a pe...
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