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Paper making process and starch compositions comprising a crosslinking agent for use in same

  • US 20050161182A1
  • Filed: 11/19/2004
  • Published: 07/28/2005
  • Est. Priority Date: 11/21/2003
  • Status: Abandoned Application
First Claim
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1. A method for manufacturing paper or paperboard sheet with increased strength, the method comprising the steps of:

  • providing a fiber slurry suitable for use in making paper or paperboard;

    incorporating a gelatinized starch composition into the fiber slurry, wherein the gelatinized starch composition comprises;

    gelatinized starch; and

    an aldehyde generating compound capable of forming at least two or more covalent bonds to functional groups present in the starch or fiber when the aldehyde generating compound is heated above an activation temperature;

    forming the paper or paperboard sheet;

    heating the paper or paperboard sheet at a temperature above the activation temperature of the aldehyde generating compound which is sufficient to dry the paper or paperboard sheet.

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