Homebrew PCBs

I've tried it and it worked pretty well. See message #27445. I also posted a couple of photos in the Photo section in a folder called "Dissolvo Paper Experiment". Only the true Dissolvo brand worked well, other, cheaper water soluble papers left some residue.

--- In Homebrew_PCBs@yahoogroups.com, Robin Whittle <rw@...> wrote:
>
> This message is an appendix to my previous message researching Poly
> Vinyl Alcohol (PVA) as part of a laser transfer paper.  I was wondering
> whether "Dissolvo" paper was made with PVA.  It seems not.  A 1969 US
> patent:
> 
>   http://www.freepatentsonline.com/3431166.pdf
> 
> indicates it is not.  However, perhaps "dissolvo" paper could be made by
> other means, perhaps with fibres of partially hydrolyzed PVA.  (See my
> previous message for how North Koreans wear PVA fabric clothes.) The
> term "dissolvo" seems to be used in a generic fashion, in addition to
> being a trademark.  It is is also used to describe water-soluble plastic
> films, some of which are made with PVA.
> 
> Daymark Technologies http://www.dissolvo.com AKA
> http://www.daymarktechnologies.com make water soluble paper, largely for
> use by welders.  They are a subsidiary of Gilbreth, whose "dissolvo"
> paper is mentioned in some patents.  This does not seem to use PVA:
> 
>   http://www.daymarktechnologies.com/categories/Dissolving-Paper/7/1
> 
> "Sodium Caboxy Methyl Cellulose and wood pulp".
> 
> Dissolvable paper is used for magic tricks and according to Daymark
> Technologies, for sewing patterns which can be sewn together with the
> fabric, and then washed away.
> 
> Has anyone use this for laser toner transfer?  I haven't fully
> researched where it can be purchased.
> 
>  - Robin   http://www.firstpr.com.au/pcb-diy/
>