Comments on RepRap: Blog: Make your own plastic for RepRap

It's also possible to make formaldehyde from metha...

2006-02-21T06:48:00.000Z

It's also possible to make formaldehyde from methanol (perhaps from fermentation), from which you can make acetal (delrin). This isn't biodegradable, but it's bio-origin...a carbon sink. Plus, it's a kick-ass engineering plastic that can be injection-molded at 120 C.

Very cool doc. Gonna keep that one.Polystyrene ori...

2006-01-24T21:17:00.000Z

Very cool doc. Gonna keep that one.
Polystyrene originally came from the styrex tree and I know from personal experience that douglas fir sap can be cooked down into a hard polymer almost identical to polyester resin.

I've added a section on lactic acid to the Wiki.Pl...

2006-01-21T00:04:00.000Z

I've added a section on lactic acid to the Wiki.

Please do improve it, add formulae, diagrams and whatever to make it less boring :)

Vik :v)

Now there's a COOL idea, and one that gets round a...

2006-01-19T11:25:00.000Z

Now there's a COOL idea, and one that gets round a problem in this RepRapRelated Cory Doctorow story:

Link

Great! I popped this link over to Professor Morri...

2006-01-19T05:19:00.000Z

Great! I popped this link over to Professor Morris. That's quite a little cookbook! :-)