Production de bio-ethylene pour le developpement de nouveaux thermoplastiques verts
Updated: 2011-05-31 04:02:54
Should bioplastics be banned from organic compost heaps? Intervale Compost Products no longer accepts biodegradable utensils, because certain brands of “compostable cutlery” don’t actually break down as advertised. Forks, knives and spoons made from cornstarch were showing up barely changed after years of being buried in the dirt mounds, says general manager Dan Goossen. [...]
… Feathers, like hair and fingernails, are made up principally of the tough and chemically stable protein keratin, and can lend strength while reducing weight in the mixtures of plastics chemicals known as composites. Researchers at the US agricultural authority have even published research into the possibility of incorporating chicken feathers into plastics, as [...]