The alkanediol foam control agent

The alkanediol foam control agent

  • CN 100,567,416 C
  • Filed: 09/30/2002
  • Issued: 12/09/2009
  • Est. Priority Date: 10/01/2001
  • Status: Active Grant
First Claim
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1. with the method that is incorporated into the foaming of foam control agent control waterborne compositions or industrial technology, comprise that the compound that uses 0.001% to 5wt% following formula is as foam control agent:

  • HOR 1R 3C-[CH 2] n-CR 2R 4OH R in the formula 1And R 2Be selected from alkyl separately, R with 3 to 6 carbon atoms 3And R 4Each has the alkyl of 1 to 2 carbon atom naturally, and n is 1 to 6 integer;

    This compound is at the C that adds the 12mole ethoxylation with 0.2wt% 12-C 15During the primary alconol aqueous solution, produce C than 0.5wt%12mole ethoxylation 12-C 15The initial t=0min that passes through Blender foam check mensuration of the primary alconol aqueous solution big at least 30% or end of a period t=10min foaming density.

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