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Morpho blue car paint

 
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ChrisR
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Joined: 14 Mar 2009
Posts: 7953
Location: Near London, UK

PostPosted: Thu Feb 22, 2018 4:45 am    Post subject: Morpho blue car paint Reply with quote

https://insights.globalspec.com/article/7907/lexus-developed-structural-blue-a-color-unlike-any-other-manufactured-before

The promotional video is worth a watch.
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rjlittlefield
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Joined: 01 Aug 2006
Posts: 19396
Location: Richland, Washington State, USA

PostPosted: Thu Feb 22, 2018 10:22 am    Post subject: Reply with quote

Very interesting -- thanks for the link!

Direct link to the promotional video: https://www.youtube.com/watch?v=9JU541_zm2w

I notice in particular what strikes me as a fascinating approach of manufacturing the color flakes by vacuum depositing thin film layers on plastic substrate, then stripping and grinding it to make a sprayable paint. I suppose that may be a standard approach for manufacturing glitter, but I've never thought about it.

I was struck by this odd quote, though:
Quote:
Conventional automotive paints reflect only about 50 percent of light, yet structural blue reflects nearly 100 percent, according to the Society of Automotive Engineers.

I see no hint that this coating changes the wavelenght of light that hits it, so I guess "reflects nearly 100 percent" must mean that its reflectivity is essentially a bandpass with nearly 100% at the peak.

--Rik
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Lou Jost



Joined: 04 Sep 2015
Posts: 2859
Location: Ecuador

PostPosted: Thu Feb 22, 2018 3:53 pm    Post subject: Reply with quote

Wow this is amazing. The paint contains no blue pigment!!!!! It is, as far as I know, the first true structural color paint. Not quite the degree of directionality as the color in a Morpho butterfly wing, but this is a great step in that direction.
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Sumguy01



Joined: 28 Jan 2013
Posts: 1189
Location: Ketchikan Alaska USA

PostPosted: Thu Feb 22, 2018 9:00 pm    Post subject: Reply with quote

Very Happy Interesting.
Thanks for sharing.
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GaryB



Joined: 29 Jul 2016
Posts: 521

PostPosted: Thu Mar 01, 2018 1:54 am    Post subject: Reply with quote

Surely a 'hot red' butterfly would go faster than a blue one.
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mawyatt



Joined: 22 Aug 2013
Posts: 1666
Location: Clearwater

PostPosted: Thu Mar 01, 2018 6:37 am    Post subject: Reply with quote

GaryB wrote:
Surely a 'hot red' butterfly would go faster than a blue one.


Yes the Porsche Guards Red is faster than the Lexus Blue Very Happy
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