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Melt processable starch compositions

  • US 7,666,261 B2
  • Filed: 11/06/2008
  • Issued: 02/23/2010
  • Est. Priority Date: 03/08/1999
  • Status: Expired due to Fees
First Claim
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1. A composition comprising:

  • (a) from about 50 wt % to about 70 wt % of a starch;

    (b) from about 30 wt % to about 50 wt % of water; and

    (c) a high polymer selected from the group consisting of;

    polyacrylamide and its derivatives;

    polyacrylic acid, polymethacrylic acid, and their esters;

    polyvinyl alcohol;

    polyethyleneimine;

    copolymers made from mixtures of monomers of the aforementioned polymers; and

    mixtures thereof;

    wherein the composition has a melt shear viscosity of less than about 50 Pa·

    s.

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