Hydrophobically modified poly(ethylene glycol) for use in pitch and stickies control in pulp and papermaking processes

Hydrophobically modified poly(ethylene glycol) for use in pitch and stickies control in pulp and papermaking processes

  • CN 101,542,043 A
  • Filed: 07/25/2007
  • Published: 09/23/2009
  • Est. Priority Date: 07/26/2006
  • Status: Active Application
First Claim
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1. the method that in paper pulp or paper manufacturing systems, suppresses the organic pollution deposition, it comprises that described composition comprises following formula to poly-[ethylene glycol] composition of the hydrophobically modified of paper pulp or the effective deposition of paper manufacturing systems adding amount of suppression:

  • (R 1-) x-O-[-CH 2-CH 2-O-] n-(-R 2) y-Z R wherein 1And R 2Be the block of the hydrophobic part of a hydrophobic part or x and y repetitive, itself and poly-[ethylene glycol] covalent bonding;

    N is 2 to 1200;

    X is 1 to 10;

    Y is 0 to 10;

    Z only exists when y=0 and is hydrogen;

    X and y'"'"'s and more than or equal to 2.

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