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Paper making using hectorite and cationic starch

  • US 5,071,512 A
  • Filed: 06/24/1988
  • Issued: 12/10/1991
  • Est. Priority Date: 06/24/1988
  • Status: Expired due to Fees
First Claim
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1. A paper making process wherein a collodial sol of a hectorite and a cationic starch having a degree of substitution of at least 0.003 are added separately to a furnish to form a binder consisting essentially of these two materials in said furnish, the weight ratio of starch to hectorite being in the range 0.25:

  • 1 to 15;

    1 said hectorite being added in an amount to result in its presence in an amount of at least 2 lbs/ton dry base sheet.

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