Polylactic Acid (PLA) / Polycarbonate (PC) Polymer Alloy and Method of Formation
A polylactic acid (PLA)/polycarbonate (PC) polymer alloy includes polylactic acid/glycidyl methacrylate (PLA/GMA), an acrylate, an initiator, polylactic acid (PLA), and polycarbonate (PC).
1 . A polylactic acid (PLA)/polycarbonate (PC) polymer alloy including polylactic acid/glycidyl methacrylate (PLA/GMA), an acrylate, an initiator, PLA, and PC.
2 . The polymer alloy of claim 1 , wherein said PLA/GMA is of 0.1-15 wt. %.
3 . The polymer alloy of claim 1 , wherein said acrylate is of 0.01-1 wt. %.
4 . The polymer alloy of claim 1 , wherein said initiator is of 0.001-0.1 wt. %.
5 . The polymer alloy of claim 1 , wherein said PLA is of 10-90 wt. %.
6 . The polymer alloy of claim 5 , wherein said PLA is of more than 50 wt. %.
7 . The polymer alloy of claim 1 , wherein said PC is of 10-90 wt. %.
8 . The polymer alloy of claim 1 , wherein said acrylate is butyl acrylate, hexyl acrylate, 2-ethylhexyl acrylate, dodecyl acrylate, or lauryl acrylate.
9 . The polymer alloy of claim 1 , wherein said initiator is dicumyl peroxide, tert-butyl peroxybenzoate, benzoyl peroxide, di-tert-butyl peroxide, or cumyl hydroperoxide.
10 . A biphasic plasticizer including polylactic acid (PLA), glycidyl methacrylate (GMA), and an acrylate.
11 . The biphasic plasticizer of claim 10 , wherein said acrylate is butyl acrylate, hexyl acrylate, 2-ethylhexyl acrylate, dodecyl acrylate, or lauryl acrylate.
12 . The biphasic plasticizer of claim 10 , wherein said biphasic plasticizer comprises polylactic acid/glycidyl methacrylate-co-2-ethylhexyl acrylate, (PLA/GMA-co-EHA).
13 . A method of forming a polylactic acid (PLA)/polycarbonate (PC) polymer alloy, including:
(a) mixing PLA and glycidyl methacrylate (GMA) to form polylactic acid/glycidyl methacrylate (PLA/GMA), and
(b) mixing said PLA/GMA, an acrylate, an initiator, PLA and PC.
14 . The method of claim 13 , further including carrying out said step (a) and/or step (b) in a twin-screw extruder.
15 . The method of claim 14 , further including carrying out said step (a) at a temperature of over 150° C.
16 . The method of claim 15 , further including carrying out said step (a) at a temperature of 160° C.-180° C.
17 . The method of claim 14 , further including carrying out said step (b) at a temperature of over 200° C.
18 . The method of claim 17 , further including carrying out said step (b) at a temperature of 210-240° C.
19 . The method of claim 13 , wherein said initiator is dicumyl peroxide, tert-butyl peroxybenzoate, benzoyl peroxide, di-tert-butyl peroxide, or cumyl hydroperoxide.
20 . The method of claim 13 , wherein said acrylate is butyl acrylate, hexyl acrylate, 2-ethylhexyl acrylate, dodecyl acrylate, or lauryl acrylate.