Polymer mixture for producing films

Details Polymer mixture for producing films Polymer mixture for producing films

C - Chemistry, Metallurgy

08

L

C08L 3/02 (2006.01) C08G 81/00 (2006.01) C08J 5/18 (2006.01) C08L 23/02 (2006.01) C08L 33/00 (2006.01)

Patent

CA 2087444

In order to produce a polymer mixture essentially consisting of starch and a polyolefine, up to 70 wt % of thermoplastically processable starch is mixed with 10 to 40 wt % polyolefine and to 35 wt % ethylene acrylate maleic anhydride copolymer. During this mixing process an esterification reaction takes place between the maleic anhydride groups in the copolymer with free hydroxyl groups in the starch according to the general reaction process (T).

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