Method for synthesizing castor oil group polyether glycol

Method for synthesizing castor oil group polyether glycol

  • CN 101,121,784 B
  • Filed: 08/07/2007
  • Issued: 05/19/2010
  • Est. Priority Date: 08/07/2007
  • Status: Active Grant
First Claim
Patent Images

1. method for making that can be used for the castor oil group polyether glycol of flexible PU foam, it is characterized in that:

  • it be by Viscotrol C in the presence of bimetallic catalyst, under 0~

    0.6MPa pressure, 100~

    200 ℃

    of mixtures of forming with propylene oxide and oxyethane carry out polymerization, make it to generate castor oil group polyether glycol, described bimetallic catalyst main component is the sour zinc of six cyanogen cobalts (III), and catalyst consumption is 40~

    200ppm of synthesizing polyether total amount.

View all claims
    ×
    ×

    Thank you for your feedback

    ×
    ×