Last year I started research to try to find chemical free ways to retrobrite plastics. This video is a documentary of various experiments I ran over the course of a year along with their results, and some of them are quite unexpected.
I made a few mistakes based on poor understanding along the way, but that lead to some useful results. I've also tried to add some science into this too (I hope I got it right!) I have two successful alternatives to Hydrogen Peroxide, and one very important discovery, which if I hadn't lost my way down the rabbit hole I would have never found, and knowing this helps understand why the yellowing occurs.
Note: The methods used in these expleriment may cause damage to the plastics.
Help me continue making videos via Patreon or PayPal
👉 Patreon: / robsmithdev
👉 Paypal: paypal.me/RobSmithDev
👉 Discord: / discord
📖 Chapters
(00:00) 2022 Intro & Plans
(00:46) Results are in
(02:06) Sun Brightening & Ultraviolet Light Experiments
(04:58) Better Ultraviolet Experiments
(09:00) Understanding why this works
(10:28) Ozone Experiments
(11:38) The basics of hydrogen peroxide
(12:59) Oxygen Experiments
(15:12) Some Chemistry - How Peroxide and Reactive Oxygen Work.
(21:24) Bromine & its Colour
(22:40) It's Radical... and how to make them
(26:03) Zinc Oxide & Titanium Dioxide Radicals
(28:50) Unexpected Results
(29:13) What's causing this rapid rellowing?
(30:25) Conclusions about the cause of yellowing!
(31:07) One Final Supprise Result!
(31:26) Summary, Further Ongoing Experiments and Final Conclusions
🔗 Useful LInks
⚠️ Please use correct safety procedures & appropriate care with the following
• Wooden Box: amzn.to/3DaZh8B
👉 8 Watt F8 Tubes
• Day (Cool) Tube: amzn.to/3l1Bpyc
• Flykiller BL350 UVA Tube: amzn.to/3DtQkr9
• Reptile UVA/B Tube: amzn.to/3kW90cC
👉 9 Watt PLS Tubes
• UV-A (Nail) Tube: amzn.to/3XOkyx8 (required modding)
• UV-C Tube: amzn.to/3l1Bpyc
• UV BLB Blacklight Tube: amzn.to/3HmUi5Z
• UV BLB Daylight Tube: amzn.to/3Hpr5ar
• 7W Heated Pad for Lizards: amzn.to/3JuC4Cd
• Arduino Nano: amzn.to/3WSOYNm
• MQ-131 Ozone Sensor: amzn.to/3wMrD5E
• KY-013 Temperature Sensor: amzn.to/3Du2gsN (incorrect resistor inside)
• Mosfets for Controlling Ozone Generators: amzn.to/3YaR7Fd
• Ozone Generator: amzn.to/3kWbqIr
• Camera: amzn.to/3kS2vHP
• ThinkSport Suncream: amzn.to/3YgFtJb
• Aloha Sun Stick: amzn.to/3YuzCQH
• Titanium Dioxide (for Whitening Food): amzn.to/3HpasvO
• Python Code: robsmithdev.co.uk/yt/rb.zip
🔬 Research
• Book and Paper Group: cool.culturalheritage.org/coo...
• UV Radiation & Fading: www.naturalux.com/NaturaLux_L...
• O615: Bromination & Oxidation - Alkanes and Alkenes: www.colorado.edu/lab/lecture-...
• The energy from radiation can be used to rupture chemical bonds: www.pearson.com/channels/gene...
• Photolysis & the Hydroxyl Radical: butane.chem.uiuc.edu/pshapley/...
• Chapman Reactions: www.cchem.berkeley.edu/molsim/...
📹 Videos:
• 8-Bit Guy: Adventures in Retrobrite: • Adventures in Retrobri...
• Retrobright RMC: Amiga 1000 Trash to Treasure: • Commodore Amiga 1000 T...
🖼️ Graphics
• Cute Dog: www.vecteezy.com/vector-art/5...
• Man walking dog: www.vecteezy.com/vector-art/1...
• Dog drinking: Image by brgfx on Freepik www.freepik.com/free-vector/h...
• Abandoned house: graef-photography.de/
🎧 Music:
• The Life and Death of a Certain K. Zabriskie, Patriarch by Chris Zabriskie is licensed under a Creative Commons Attribution 4.0 licence. Source: chriszabriskie.com/vendaface/ Artist: chriszabriskie.com/
• The Emperor's Army - Jeremy Blake
• EDM Detection Mode by Kevin MacLeod is licensed under a Creative Commons Attribution 4.0 licence. Artist: incompetech.com/
• Starcrasher - TrackTribe
• The Big Beat 80s - Kevin MacLeod, Syrinx Starr
• Nine Lives - Unicorn Heads
• Nimbus - Eveningland
• Long Time Coming by Kevin MacLeod is licensed under a Creative Commons Attribution 4.0 licence. Artist: incompetech.com/
• Overdrive - Corbyn Kites
• Sonja's Interns - Verified Picasso
• Darker Thoughts - Silent Partner
• A Rising Wave - Jeremy Blake
#retrobrite #yellowing #Retr0bright
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robsmithdev.co.uk
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