×

Method for using water insoluble chemical additives with pulp and products made by said method

  • US 7,749,356 B2
  • Filed: 03/07/2001
  • Issued: 07/06/2010
  • Est. Priority Date: 03/07/2001
  • Status: Expired due to Fees
First Claim
Patent Images

1. A method for preparing chemically treated pulp fiber comprising:

  • a) creating a fiber slurry comprising process water and pulp fibers;

    b) transporting said fiber slurry to a web-forming apparatus of a pulp sheet machine and forming a wet fibrous web;

    c) drying said wet fibrous web to a predetermined consistency thereby forming a dried fibrous web;

    d) treating said dried fibrous web with an applied amount of a chemical additive thereby forming a chemically treated dried fibrous web containing chemically treated pulp fibers; and

    (e) dispersing the chemically treated pulp fibers of the chemically treated dried fibrous web in water and draining the water from the chemically treated pulp fibers, wherein said chemically treated pulp fibers retain from between about 10 to about 100 percent of the applied amount of said chemical additive.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×