Hi Marcus, this experiment was a failure, this recepie makes a hard material, but we cant call it a plastic, and it is not thermal, it could be used in mold injection for some needs but in my case after getting cold it shrinkedby barreiras - Polymer Working Group
by the way, if some one knows the name of this tipe os plastic, please identify it somo of the possibilities are: Polyglycolic acid (PGA) Zein Polyhydroxybutyrate (PH Polycaprolactone (PCL) Plastarch Material (PSM) my votes go to the first and the last ones, more research is neaded.by barreiras - Polymer Working Group
After some investigation i've done a home cooked PLA attempt, unfortunately the results were not the expected, the photos below show when the mixture was put to drie and 10 days later, almost dry. As you can see the second piece is broken, to check their resistance eventually rip. I was waiting to get a harder plastic but it was obtained a slightly flexible plastic and brittle I used a recby barreiras - Polymer Working Group