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RF & MW properties of PLA/ABS

Posted by Buback 
RF & MW properties of PLA/ABS
July 18, 2011 11:56AM
Can anybody point me to resources for the absorption/reflection/refraction characteristics of PLA and/or ABS at non-visible wavelengths?

I am working on a specific project, but i think this info would be useful to have up on the wiki.

I'm interested in 2.4 Ghz range, for converting a tv dish into a long range high gain wifi antenna, or at least making it easier to do so.

most PLA containers are microwave safe i think, so it's probably transparent at these frequencies (which would be good for me).

Edited 1 time(s). Last edit at 07/19/2011 05:28AM by Buback.
Re: RF & MW properties of PLA/ABS
July 20, 2011 08:50AM
I found an interesting article about joining PLA/Sisal "Green Composite" material using microwaves


Feasibility study on microwave joining of green composites

Edited 1 time(s). Last edit at 07/20/2011 08:50AM by Buback.
Re: RF & MW properties of PLA/ABS
July 20, 2011 11:13AM
This might also help, if anybody has IEEE access.

Electrical properties of biodegradable polylactic acid film
Re: RF & MW properties of PLA/ABS
July 25, 2011 11:23AM
Since PLA is so heavily dehydrated I would assume that it doesn't absorb much around 2.4 GHz. But if there's no data available, it would be a good idea to test it yourself before committing to something critical.

I downloaded that IEEE article through my university; send me a PM if you need a copy.
Re: RF & MW properties of PLA/ABS
July 26, 2011 08:18AM
The joining study I linked to above has me thinking about using a microwave to weld printed pieces together, instead of using glue. I'll have to try some experiments of my own to see if it works.
Re: RF & MW properties of PLA/ABS
April 14, 2012 08:38AM
Buback Wrote:
-------------------------------------------------------
> Can anybody point me to resources for the
> absorption/reflection/refraction characteristics
> of PLA and/or ABS at non-visible wavelengths?
>
> I am working on a specific project, but i think
> this info would be useful to have up on the wiki.
>
>
> I'm interested in 2.4 Ghz range, for converting a
> tv dish into a long range high gain wifi antenna,
> or at least making it easier to do so.
>
> most PLA containers are microwave safe i think,
> so it's probably transparent at these frequencies
> (which would be good for me).

Did it work?
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